[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:0.0.12/bf248b9d RW_A:0.5.230/cr50_v2.94_mp.295-213e4d5a61 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 VB2:vb2_check_recovery() Recovery was requested manually VB2:vb2_check_recovery() We have a recovery request: 0x2 / 0x0 Recovery requested (1009000e) 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]: 00000000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000503a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 86163 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:0.0.12/bf248b9d RW_A:0.5.230/cr50_v2.94_mp.295-213e4d5a61 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #2 initialized Skip microcode update apic_id: 0x01 done. CPU #3 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 228 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 376080 run 172939 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8972 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 8973 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 8973 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 8965 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8962 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90930 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107709 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14155 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14144 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 22367 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 53510 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 13854 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 11324 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 9268 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 10047 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 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465974 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486077 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=1 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825848 exit 39265 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114293 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 229 run 139354 exit 18916 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 31712 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 6976 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 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 5960 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 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 23533 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 23806 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 2395 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24453 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-07-18 13:51:50 UTC ELOG: Event(92) added with size 9 at 2024-07-18 13:51:50 UTC ELOG: Event(AD) added with size 10 at 2024-07-18 13:51:50 UTC ELOG: Event(9F) added with size 14 at 2024-07-18 13:51:50 UTC BS: BS_DEV_INIT times (us): entry 0 run 418044 exit 42560 ELOG: Event(A1) added with size 10 at 2024-07-18 13:51:50 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02 ELOG: Event(A0) added with size 9 at 2024-07-18 13:51:50 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 25566 run 3969 exit 5163 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 ELOG: Event(91) added with size 10 at 2024-07-18 13:51:50 UTC CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum da2a 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. 7affe940 00000027 COREBOOTFWD 8. 7affe900 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 6285 run 537264 exit 146852 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x60000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Clean Moff->Mx wake 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 602 run 262185 exit 134596 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 14880252/tftp-deploy-tf0zlnuc/kernel/bzImploy-tf0zlnuc/kernel/cmdline 14880252/tftp-deploy-tf0zlnuc/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:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 14880252/tftp-deploy-tf0zlnuc/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################################################################ 01000000 ################################################################ 01080000 ################################################################ 01100000 ################################################################ 01180000 ################################################################ 01200000 ################################################################ 01280000 ################################################################ 01300000 ################################################################ 01380000 ################################################################ 01400000 ################################################################ 01480000 ################################################################ 01500000 ################################################################ 01580000 ######################## done. The bootfile was 22740064 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 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 14880252/tftp-deploy-tf0zlnuc/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/14880252/extract-nfsrootfs-x3z3wgni,tcp,hard,v3 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: 25515139 Starting kernel ... <5>[ 0.000000] Linux version 5.10.222-cip50 (KernelCI@build-j273186-x86-64-gcc-12-x86-64-defconfig-x86-board-ljkrk) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP Thu Jul 18 13:38:15 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/14880252/extract-nfsrootfs-x3z3wgni,tcp,hard,v3 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>[ 0.001439] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007302] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026549] check: Scanning 1 areas for low memory corruption <6>[ 0.026563] Using GB pages for direct mapping <6>[ 0.027087] RAMDISK: [mem 0x3735a000-0x37ffffff] <6>[ 0.027095] ACPI: Early table checksum verification disabled <6>[ 0.027103] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.027117] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027134] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027150] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.027163] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027175] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027186] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.027199] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027211] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027223] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027236] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.027248] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027261] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027273] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027285] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.027290] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.027295] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027300] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027305] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.027310] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.027314] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.027319] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.027324] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.027329] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.027334] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.027338] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027478] No NUMA configuration found <6>[ 0.027483] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027492] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.027538] Zone ranges: <6>[ 0.027543] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027551] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027558] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027565] Movable zone start for each node <6>[ 0.027570] Early memory node ranges <6>[ 0.027575] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027580] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027585] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027592] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027628] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027712] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.044108] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.045103] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.045129] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.045663] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.045720] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.045734] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.045740] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.045756] Using ACPI (MADT) for SMP configuration information <6>[ 0.045762] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.045769] TSC deadline timer available <6>[ 0.045775] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.045806] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.045812] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.045818] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.045823] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.045827] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.045832] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.045836] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.045840] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.045845] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.045849] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.045854] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.045858] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.045863] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.045867] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.045871] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.045880] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.045888] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.063404] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.063715] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.063798] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.063803] Policy zone: Normal <5>[ 0.063818] 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/14880252/extract-nfsrootfs-x3z3wgni,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.064430] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.064691] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.064787] mem auto-init: stack:all(zero), heap alloc:off, heap free:off <6>[ 0.099710] Memory: 3861304K/4089052K available (22546K kernel code, 3708K rwdata, 24564K rodata, 2148K init, 14144K bss, 227488K reserved, 0K cma-reserved) <6>[ 0.099865] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.099927] Kernel/User page tables isolation: enabled <6>[ 0.100059] ftrace: allocating 61061 entries in 239 pages <6>[ 0.170343] ftrace: allocated 239 pages with 7 groups <6>[ 0.170657] Running RCU self tests <6>[ 0.170673] rcu: Hierarchical RCU implementation. <6>[ 0.170678] rcu: RCU event tracing is enabled. <6>[ 0.170682] rcu: RCU lockdep checking is enabled. <6>[ 0.170687] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.170693] Rude variant of Tasks RCU enabled. <6>[ 0.170697] Tracing variant of Tasks RCU enabled. <6>[ 0.170702] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.170707] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.181237] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.181727] random: crng init done <6>[ 0.181846] Console: colour dummy device 80x25 <6>[ 0.255376] printk: console [ttyS0] enabled <4>[ 0.255767] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.256452] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.256834] ... MAX_LOCK_DEPTH: 48 <4>[ 0.257224] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.257628] ... CLASSHASH_SIZE: 4096 <4>[ 0.258031] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.258441] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.258853] ... CHAINHASH_SIZE: 32768 <4>[ 0.259264] memory used by lock dependency info: 6365 kB <4>[ 0.259754] memory used for stack traces: 4224 kB <4>[ 0.260194] per task-struct memory footprint: 1920 bytes <6>[ 0.260745] ACPI: Core revision 20200925 <6>[ 0.261341] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.261864] APIC: Switch to symmetric I/O mode setup <6>[ 0.266346] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.267290] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.268271] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.268271] process: using mwait in idle threads <6>[ 0.268271] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.268271] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.268271] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.268271] Spectre V2 : Mitigation: IBRS <6>[ 0.268271] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.268271] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.268271] RETBleed: Mitigation: IBRS <6>[ 0.268271] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.268271] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.268271] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.268271] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.268271] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.268271] SRBDS: Vulnerable: No microcode <6>[ 0.268271] GDS: Vulnerable: No microcode <6>[ 0.268271] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.268271] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.268271] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.268271] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.268271] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.268271] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.268271] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.268271] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.268271] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <6>[ 0.268271] Freeing SMP alternatives memory: 48K <6>[ 0.268271] pid_max: default: 32768 minimum: 301 <6>[ 0.268271] LSM: Security Framework initializing <6>[ 0.268271] SELinux: Initializing. <6>[ 0.268271] LSM support for eBPF active <6>[ 0.268271] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.268271] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.268271] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.268960] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.269288] ... version: 4 <6>[ 0.269666] ... bit width: 48 <6>[ 0.270049] ... generic registers: 4 <6>[ 0.270277] ... value mask: 0000ffffffffffff <6>[ 0.270762] ... max period: 00007fffffffffff <6>[ 0.271246] ... fixed-purpose events: 3 <6>[ 0.271277] ... event mask: 000000070000000f <6>[ 0.272325] rcu: Hierarchical SRCU implementation. <6>[ 0.274932] smp: Bringing up secondary CPUs ... <6>[ 0.276024] x86: Booting SMP configuration: <6>[ 0.276328] .... node #0, CPUs: #1 <4>[ 0.277713] 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>[ 0.278279] 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>[ 0.279880] #2 #3 <6>[ 0.282414] smp: Brought up 1 node, 4 CPUs <6>[ 0.282937] smpboot: Max logical packages: 1 <6>[ 0.283280] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.287292] devtmpfs: initialized <6>[ 0.288010] x86/mm: Memory block size: 128MB <6>[ 0.292601] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.293296] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.294486] pinctrl core: initialized pinctrl subsystem <6>[ 0.296186] PM: RTC time: 13:52:11, date: 2024-07-18 <6>[ 0.297005] NET: Registered protocol family 16 <6>[ 0.298190] audit: initializing netlink subsys (disabled) <5>[ 0.298333] audit: type=2000 audit(1721310731.031:1): state=initialized audit_enabled=0 res=1 <6>[ 0.299154] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.299282] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.299923] cpuidle: using governor menu <6>[ 0.300740] ACPI: bus type PCI registered <6>[ 0.301719] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.302283] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.302931] PCI: Using configuration type 1 for base access <6>[ 0.342257] Kprobes globally optimized <6>[ 0.342423] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.343285] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.344349] cryptomgr_test (38) used greatest stack depth: 14824 bytes left <6>[ 0.347708] ACPI: Added _OSI(Module Device) <6>[ 0.348105] ACPI: Added _OSI(Processor Device) <6>[ 0.348293] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.348730] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.349224] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.349280] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.349768] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.363348] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.372127] ACPI: EC: EC started <6>[ 0.372276] ACPI: EC: interrupt blocked <6>[ 0.373431] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.373901] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.375278] ACPI: Interpreter enabled <6>[ 0.375705] ACPI: (supports S0 S3 S4 S5) <6>[ 0.376078] ACPI: Using IOAPIC for interrupt routing <6>[ 0.376360] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.395361] ACPI: Power Resource [PRIC] (on) <6>[ 0.524711] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.525283] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.526411] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.527126] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.528954] PCI host bridge to bus 0000:00 <6>[ 0.529283] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.529893] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.530279] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.530946] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.531278] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.531945] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.532278] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.532946] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.534280] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.534947] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.535278] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.535945] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.536278] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.536945] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.538279] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.538946] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.539279] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.539945] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.540278] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.540945] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.542280] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.542885] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.544447] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.545020] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.545293] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.545948] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.546986] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.548306] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.549746] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.550305] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.551642] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.552219] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.552435] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.553808] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.554318] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.555672] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.556256] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.558168] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.558326] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.559855] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.560326] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.560959] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.563149] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.563326] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.564848] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.565489] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.566869] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.567326] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.568826] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.570327] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.571816] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.572319] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.573922] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.574320] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.575780] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.577114] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.577310] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.578693] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.579271] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.579939] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.580392] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.581742] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.582344] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.583022] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.585069] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.585311] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.587128] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.587573] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.593266] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.595541] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.596018] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.597876] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.599604] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.600557] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.601530] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.602500] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.603470] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.604439] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.605409] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.613433] ACPI: EC: interrupt unblocked <6>[ 0.613827] ACPI: EC: event unblocked <6>[ 0.614194] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.614291] ACPI: EC: GPE=0x6e <6>[ 0.615278] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.615278] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.616799] iommu: Default domain type: Translated <6>[ 0.617551] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.617933] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.618300] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.618823] vgaarb: loaded <5>[ 0.619767] SCSI subsystem initialized <6>[ 0.620530] ACPI: bus type USB registered <6>[ 0.621066] usbcore: registered new interface driver usbfs <6>[ 0.621352] usbcore: registered new interface driver hub <6>[ 0.621883] usbcore: registered new device driver usb <6>[ 0.622434] mc: Linux media interface: v0.10 <6>[ 0.622869] videodev: Linux video capture interface: v2.00 <6>[ 0.623319] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.623776] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.624290] PTP clock support registered <6>[ 0.625319] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.627121] NetLabel: Initializing <6>[ 0.627280] NetLabel: domain hash size = 128 <6>[ 0.627687] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.628307] NetLabel: unlabeled traffic allowed by default <6>[ 0.628916] PCI: Using ACPI for IRQ routing <6>[ 0.637124] clocksource: Switched to clocksource tsc-early <5>[ 1.086229] VFS: Disk quotas dquot_6.6.0 <6>[ 1.086678] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.087781] pnp: PnP ACPI init <6>[ 1.088969] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.089570] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.090190] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.090805] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.091403] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.092018] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.092661] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.093288] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.093899] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.094498] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.096085] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.097057] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.097887] system 00:04: [io 0x0200] has been reserved <6>[ 1.098378] system 00:04: [io 0x0204] has been reserved <6>[ 1.098886] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.099428] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.102772] pnp: PnP ACPI: found 6 devices <6>[ 1.117947] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.118873] NET: Registered protocol family 2 <6>[ 1.119468] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.122022] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.123064] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.124011] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.126911] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.127871] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.128883] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.129818] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.130923] NET: Registered protocol family 1 <6>[ 1.132086] RPC: Registered named UNIX socket transport module. <6>[ 1.132676] RPC: Registered udp transport module. <6>[ 1.133112] RPC: Registered tcp transport module. <6>[ 1.133547] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.134948] NET: Registered protocol family 44 <6>[ 1.135385] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.135882] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.136505] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.137073] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.137715] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.138332] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.138961] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.139580] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.140209] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.140848] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.141474] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.142109] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.142798] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.143422] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.144058] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.144697] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.145323] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.145957] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.146583] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.147218] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.147871] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.148497] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.149133] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.150196] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.153133] PCI: CLS 64 bytes, default 64 <6>[ 1.153968] Unpacking initramfs... <6>[ 1.738045] Freeing initrd memory: 12952K <6>[ 1.738508] DMAR: Host address width 39 <6>[ 1.738929] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.739488] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.740248] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.740827] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.741335] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.742155] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.742748] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.743746] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.744450] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.744997] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.745512] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.746014] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.746529] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.748968] kvm: already loaded the other module <6>[ 1.753444] check: Scanning for low memory corruption every 60 seconds <5>[ 1.757463] Initialise system trusted keyrings <6>[ 1.758186] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.779723] NFS: Registering the id_resolver key type <5>[ 1.780239] Key type id_resolver registered <5>[ 1.780678] Key type id_legacy registered <5>[ 1.803203] Key type asymmetric registered <5>[ 1.803650] Asymmetric key parser 'x509' registered <6>[ 1.804161] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.804862] io scheduler mq-deadline registered <6>[ 1.805286] io scheduler kyber registered <4>[ 1.805932] test_firmware: interface ready <6>[ 1.808016] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.809992] ACPI: AC Adapter [AC] (on-line) <6>[ 1.810826] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.812726] ACPI: Lid Switch [LID0] <6>[ 1.813345] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.814301] ACPI: Power Button [PWRF] <6>[ 1.815138] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.816360] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.817409] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.818495] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.820178] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.824423] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.825067] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.825160] Non-volatile memory driver v1.3 <6>[ 1.826225] Linux agpgart interface v0.103 <6>[ 1.827010] ACPI: bus type drm_connector registered <6>[ 1.827643] [drm] amdgpu kernel modesetting enabled. <6>[ 1.830962] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.883937] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.885748] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.915030] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.918757] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.934291] loop: module loaded <6>[ 1.935433] lkdtm: No crash points registered, enable through debugfs <6>[ 1.959634] printk: console [ttyS0] disabled <6>[ 1.960392] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.796724] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.796759] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.796967] clocksource: Switched to clocksource tsc <6>[ 2.806251] printk: console [ttyS0] enabled <6>[ 5.322532] fbcon: i915drmfb (fb0) is primary device <6>[ 5.334581] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <4>[ 5.336777] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.345003] e100: Intel(R) PRO/100 Network Driver <6>[ 5.345007] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.345068] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.345070] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.345150] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.345152] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.345235] sky2: driver version 1.30 <6>[ 5.345546] usbcore: registered new interface driver r8152 <6>[ 5.345623] usbcore: registered new interface driver asix <6>[ 5.345666] usbcore: registered new interface driver ax88179_178a <6>[ 5.345703] usbcore: registered new interface driver cdc_ether <6>[ 5.345742] usbcore: registered new interface driver net1080 <6>[ 5.345780] usbcore: registered new interface driver cdc_subset <6>[ 5.345815] usbcore: registered new interface driver zaurus <6>[ 5.345874] usbcore: registered new interface driver cdc_ncm <6>[ 5.346405] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.346424] ehci-pci: EHCI PCI platform driver <6>[ 5.346492] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.346507] ohci-pci: OHCI PCI platform driver <6>[ 5.346567] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.347709] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.348494] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.348802] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.350163] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.350221] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.351912] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.352365] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.352377] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.353166] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.353188] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.353193] usb usb1: Product: xHCI Host Controller <6>[ 5.353197] usb usb1: Manufacturer: Linux 5.10.222-cip50 xhci-hcd <6>[ 5.353200] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.355006] hub 1-0:1.0: USB hub found <6>[ 5.355196] hub 1-0:1.0: 12 ports detected <6>[ 5.356344] Console: switching to colour frame buffer device 240x67 <6>[ 5.359054] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.359060] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.359064] usb usb2: Product: xHCI Host Controller <6>[ 5.359068] usb usb2: Manufacturer: Linux 5.10.222-cip50 xhci-hcd <6>[ 5.359073] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.359964] hub 2-0:1.0: USB hub found <6>[ 5.360013] hub 2-0:1.0: 6 ports detected <6>[ 5.361695] usbcore: registered new interface driver usblp <6>[ 5.361779] usbcore: registered new interface driver usb-storage <6>[ 5.362355] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.362488] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.362490] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.363267] i8042: Warning: Keylock active <6>[ 5.363544] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.365764] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.368617] rtc_cmos 00:02: registered as rtc0 <6>[ 5.368934] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.368966] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.370329] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.370381] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.371444] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.376833] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.388415] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.397502] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.400589] intel_pstate: Intel P-state driver initializing <6>[ 5.515052] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.12/bf248b9d RW_A:0.5.230/cr50_v2.94_mp.295-213e4 <6>[ 5.537527] intel_pstate: HWP enabled <6>[ 5.597609] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.604121] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.736671] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.738579] sdhci: Copyright(c) Pierre Ossman <6>[ 5.738653] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.744070] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.750373] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.850677] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.851194] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.872188] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.876263] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.882397] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.882400] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 5.882402] usb 2-3: Manufacturer: Realtek <6>[ 5.890875] usbcore: registered new interface driver usbhid <6>[ 5.898586] usb 2-3: SerialNumber: 001000001 <6>[ 5.907067] usbhid: USB HID core driver <6>[ 5.957970] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.976000] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.983763] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.994091] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 5.996183] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 6.008457] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.018836] IPv4 over IPsec tunneling driver <6>[ 6.024165] Initializing XFRM netlink socket <6>[ 6.029654] NET: Registered protocol family 10 <6>[ 6.035803] Segment Routing with IPv6 <6>[ 6.040744] NET: Registered protocol family 17 <5>[ 6.046213] Key type dns_resolver registered <6>[ 6.052054] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.058536] microcode: Microcode Update Driver: v2.2. <6>[ 6.058543] IPI shorthand broadcast: enabled <6>[ 6.069817] sched_clock: Marking stable (5984156874, 85588195)->(6193519511, -123774442) <3>[ 6.070935] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.087014] registered taskstats version 1 <5>[ 6.091986] Loading compiled-in X.509 certificates <6>[ 6.099784] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.101417] mmc0: new HS400 MMC card at address 0001 <6>[ 6.109858] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.114713] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 6.123667] PM: Magic number: 0:78:888 <6>[ 6.128100] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 6.139779] printk: console [netcon0] enabled <6>[ 6.139787] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 6.144949] netconsole: network logging started <6>[ 6.152005] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.160387] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.175157] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.182763] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.183453] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.194378] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.195792] usb 1-9: Manufacturer: Azurewave <6>[ 6.209354] usb 1-9: SerialNumber: 0x0001 <6>[ 6.219168] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.266734] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.311697] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.348260] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.353618] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 7.994944] r8152 2-3:1.0 eth0: carrier on <6>[ 7.997729] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.010100] Sending DHCP requests .., OK <6>[ 10.226519] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 <6>[ 10.235785] IP-Config: Complete: <6>[ 10.239713] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.251691] host=asus-c433ta-aj0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) <6>[ 10.261232] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.261235] nameserver0=192.168.201.1 <5>[ 10.274661] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.286972] modprobe (98) used greatest stack depth: 14200 bytes left <5>[ 10.290226] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.302268] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.311862] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.315710] clk: Disabling unused clocks <6>[ 10.321883] cfg80211: failed to load regulatory.db <6>[ 10.326583] ALSA device list: <6>[ 10.335796] No soundcards found. <4>[ 10.340259] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.349910] Freeing unused kernel image (initmem) memory: 2148K <6>[ 10.366869] Write protecting the kernel read-only data: 49152k <6>[ 10.374717] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.382542] Freeing unused kernel image (rodata/data gap) memory: 12K <6>[ 10.390077] Run /init as init process Loading, please wait... <6>[ 10.401349] ln (113) used greatest stack depth: 13560 bytes left Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 10.653284] chromeos ramoops using acpi device. <6>[ 10.655642] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.672794] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 10.685941] mmc1: SDHCI controller on PCI [0000:00:1e.6] using ADMA 64-bit <4>[ 10.711326] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 10.711881] elan_i2c i2c-ELAN0000:00: supply vcc not found, using dummy regulator <4>[ 10.720248] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 10.738713] idma64 idma64.0: Found Intel integrated DMA 64-bit <6>[ 10.747604] idma64 idma64.1: Found Intel integrated DMA 64-bit <6>[ 10.757526] Intel(R) Wireless WiFi driver for Linux <6>[ 10.767544] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM <6>[ 10.772999] idma64 idma64.4: Found Intel integrated DMA 64-bit <6>[ 10.775364] iwlwifi 0000:01:00.0: Found debug configuration: 0 <6>[ 10.791347] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm <6>[ 10.796082] idma64 idma64.5: Found Intel integrated DMA 64-bit <6>[ 10.804202] max98927 i2c-MX98927:00: MAX98927 revisionID: 0x42 <6>[ 10.816248] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 <6>[ 10.825983] max98927 i2c-MX98927:01: MAX98927 revisionID: 0x42 <6>[ 10.839925] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 10.848214] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. <6>[ 10.852209] elan_i2c i2c-ELAN0000:00: Elan Touchpad: Module ID: 0x00c0, Firmware: 0x0002, Sample: 0x0003, IAP: 0x0000 <6>[ 10.865314] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:5a:a0:e1 <6>[ 10.869659] input: Elan Touchpad as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-ELAN0000:00/input/input4 <6>[ 10.909923] intel_pmc_core intel_pmc_core.0: initialized <6>[ 10.923942] 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/input5 <6>[ 10.941911] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <4>[ 10.956884] thermal thermal_zone6: failed to read out thermal zone (-61) <4>[ 10.957131] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 10.965329] proc_thermal 0000:00:04.0: Creating sysfs group for PROC_THERMAL_PCI <6>[ 10.984942] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 <6>[ 10.991722] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400) <6>[ 11.003665] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) <6>[ 11.013994] Bluetooth: Core ver 2.22 <6>[ 11.014517] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.019170] NET: Registered protocol family 31 <6>[ 11.031802] Bluetooth: HCI device and connection manager initialized <6>[ 11.040471] Registered efivars operations <6>[ 11.040589] Bluetooth: HCI socket layer initialized <6>[ 11.045302] gsmi version 1.0 loaded <6>[ 11.051149] Bluetooth: L2CAP socket layer initialized <6>[ 11.061253] Bluetooth: SCO socket layer initialized <6>[ 11.061543] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 <6>[ 11.075878] 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/input7 <6>[ 11.088652] usbcore: registered new interface driver uvcvideo <6>[ 11.095392] USB Video Class driver (1.1.1) <6>[ 11.103298] usbcore: registered new interface driver btusb <6>[ 11.115127] Bluetooth: hci0: read Intel version: 370810225019140f00 <4>[ 11.122738] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq failed with error -2 <3>[ 11.134929] Bluetooth: hci0: failed to open Intel firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq (-2) <4>[ 11.146741] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.bseq failed with error -2 <3>[ 11.156889] Bluetooth: hci0: failed to open default fw file: intel/ibt-hw-37.8.bseq 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. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: wlp1s0 hardware address 14:f6:d8:5a:a0:e1 mtu 1500 DHCP <6>[ 11.220617] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.310709] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.321023] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 <6>[ 11.387041] ipconfig (185) used greatest stack depth: 12776 bytes left dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.421241] nfsmount (186) used greatest stack depth: 12504 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>[ 12.824929] systemd[1]: systemd 252.22-1~deb12u1 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT -GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT +QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) <30>[ 12.861973] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 12.889016] systemd[1]: Hostname set to . <30>[ 13.440911] systemd[1]: Queued start job for default target graphical.target. <30>[ 13.451357] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 13.472481] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 13.494590] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 13.517443] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 13.535331] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ OK ] Started systemd-ask-passwo…quests to Console Directory Watch. <30>[ 13.558157] systemd[1]: Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch. [ OK ] Started systemd-ask-passwo… Requests to Wall Directory Watch. <30>[ 13.584119] systemd[1]: Set up automount proc-sys-fs-binfmt_misc.automount - Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount proc-sys-…rmats File System Automount Point. <30>[ 13.610982] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0... Expecting device dev-ttyS0.device - /dev/ttyS0... <30>[ 13.628955] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 13.647994] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 13.670968] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 13.687927] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 13.705968] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 13.722991] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 13.738990] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 13.761198] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 13.785789] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [ OK ] Listening on systemd-journ…socket - Journal Audit Socket. <30>[ 13.807640] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 13.829837] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 13.849519] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 13.874658] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 13.897714] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 13.920269] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting dev-hugepages.mount - Huge Pages File System... <30>[ 13.941360] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting dev-mqueue.mount…POSIX Message Queue File System... <30>[ 13.961295] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 13.982457] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 14.004322] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 14.026625] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 14.048644] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 14.069736] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 14.090685] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 14.112768] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 14.133566] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <6>[ 14.151675] fuse: init (API version 7.32) <30>[ 14.158008] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 14.186186] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 14.206446] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 14.233134] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 14.255765] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 14.280771] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. <30>[ 14.298957] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [ OK ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 14.319924] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 14.340914] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 14.362882] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [ OK ] Finished kmod-static-nodes…reate List of Static Device Nodes. <30>[ 14.386011] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished modprobe@configfs…[0m - Load Kernel Module configfs. [ OK ] Finished modprobe@dm_mod.s…e - Load Kernel Module dm_mod. [ OK ] Finished modprobe@drm.service - Load Kernel Module drm. [ OK ] Finished modprobe@efi_psto…m - Load Kernel Module efi_pstore. [ OK ] Finished modprobe@fuse.service - Load Kernel Module fuse. [ OK ] Finished modprobe@loop.service - Load Kernel Module loop. [ OK ] Finished systemd-modules-l…service - Load Kernel Modules. [ OK ] Finished systemd-network-g…rk units from Kernel command line. [ OK ] Finished systemd-remount-f…ount Root and Kernel File Systems. [ OK ] Reached target network-pre…get - Preparation for Network. Mounting sys-fs-fuse-conne… - FUSE Control File System... <6>[ 14.545710] mount (229) used greatest stack depth: 12440 bytes left Mounting sys-kernel-config…ernel Configuration File System... Starting systemd-journal-f…h Journal to Persistent Storage... Starting systemd-random-se…ice - Load/Save Random Seed... Starting systemd-sysctl.se…ce - Apply Kernel Variables... <46>[ 14.601767] systemd-journald[224]: Received client request to flush runtime journal. Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Finished systemd-sysusers.service - Create System Users. Starting systemd-tmpfiles-…ate Static Device Nodes in /dev... [ OK ] Finished systemd-journal-f…ush Journal to Persistent Storage. [ OK ] Finished systemd-tmpfiles-…reate Static Device Nodes in /dev. [ OK ] Reached target local-fs-pr…reparation for Local File Systems. [ OK ] Reached target local-fs.target - Local File Systems. Starting systemd-binfmt.se…et Up Additional Binary Formats... Starting systemd-tmpfiles-… Volatile Files and Directories... Starting systemd-udevd.ser…ger for Device Events and Files... Mounting proc-sys-fs-binfm…utable File Formats File System... [ OK ] Mounted proc-sys-fs-binfmt…ecutable File Formats File System. [ OK ] Finished systemd-binfmt.se… Set Up Additional Binary Formats. [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... [ OK ] Finished systemd-tmpfiles-…te Volatile Files and Directories. Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Found device dev-ttyS0.dev…oint-LP Serial IO UART Controller. [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. [ OK ] Created slice system-syste…- Slice /system/systemd-backlight. [ OK ] Reached target bluetooth.target - Bluetooth Support. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. Starting systemd-backlight…ss of backlight:intel_backlight... Starting systemd-backlight…of leds:chromeos::kbd_backlight... Starting systemd-rfkill.se…Load/Save RF Kill Switch Status... [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ OK ] Finished systemd-backlight…ness of backlight:intel_backlight. [ OK ] Started systemd-rfkill.ser…- Load/Save RF Kill Switch Status. [ OK ] Finished systemd-backlight…s of leds:chromeos::kbd_backlight. [ OK ] Reached target network.target - Network. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories. [ OK ] Reached target time-set.target - System Time Set. [ OK ] Started apt-daily.timer - Daily apt download activities. [ OK ] Started apt-daily-upgrade.… apt upgrade and clean activities. [ OK ] Started dpkg-db-backup.tim… Daily dpkg database backup timer. [ OK ] Started e2scrub_all.timer…etadata Check for All Filesystems. [ OK ] Started fstrim.timer - Discard unused blocks once a week. [ OK ] Reached target timers.target - Timer Units. [ OK ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Reached target basic.target - Basic System. Starting dbus.service - D-Bus System Message Bus... Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting systemd-logind.se…ice - User Login Management... Starting systemd-user-sess…vice - Permit User Sessions... [ OK ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started getty@tty1.service - Getty on tty1. [ OK ] Started serial-getty@ttyS0…rvice - Serial Getty on ttyS0. [ OK ] Reached target getty.target - Login Prompts. [ OK ] Started dbus.service - D-Bus System Message Bus. [ OK ] Finished e2scrub_reap.serv…ine ext4 Metadata Check Snapshots. [ OK ] Started systemd-logind.service - User Login Management. [ OK ] Reached target multi-user.target - Multi-User System. [ OK ] Reached target graphical.target - Graphical Interface. Starting systemd-update-ut… Record Runlevel Change in UTMP... [ OK ] Finished systemd-update-ut… - Record Runlevel Change in UTMP. Debian GNU/Linux 12 debian-bookworm-amd64 ttyS0 debian-bookworm-amd64 login: root (automatic login) Linux debian-bookworm-amd64 5.10.222-cip50 #1 SMP Thu Jul 18 13:38:15 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/14880252/extract-nfsrootfs-x3z3wgni' / # export NFS_SERVER_IP='192.168.201.1' / # # / # export SHELL=/bin/bash / # . /lava-14880252/environment / # /lava-14880252/bin/lava-test-runner /lava-14880252/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14880252/0/tests/0_timesync-off ++ cat uuid + UUID=14880252_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd <6>[ 20.106747] systemd-timesyn (274) used greatest stack depth: 12424 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-14880252/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14880252_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/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 -E '' INFO: install_deps skipped --2024-07-18 13:52:31-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.221-cip50-141-g11050ba0789ee/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-12/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: 2830608 (2.7M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 47.81K 186KB/s kselftest_armhf.tar 7%[> ] 216.08K 421KB/s kselftest_armhf.tar 32%[=====> ] 897.66K 1.14MB/s kselftest_armhf.tar 46%[========> ] 1.26M 1.17MB/s kselftest_armhf.tar 100%[===================>] 2.70M 2.47MB/s in 1.1s 2024-07-18 13:52:32 (2.47 MB/s) - 'kselftest_armhf.tar.gz' saved [2830608/2830608] 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>[ 32.412722] 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>[ 32.913751] lkdtm: Performing direct entry BUG <4>[ 32.919096] ------------[ cut here ]------------ <2>[ 32.924566] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 32.930718] invalid opcode: 0000 [#1] SMP PTI <4>[ 32.935881] CPU: 2 PID: 666 Comm: cat Not tainted 5.10.222-cip50 #1 <4>[ 32.943173] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.950270] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.954943] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 32.976215] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 32.982341] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.990592] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 32.998851] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.007109] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 33.015369] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 33.023631] FS: 00007ff246f85740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 33.032961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.039688] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0 <4>[ 33.047947] Call Trace: <4>[ 33.050966] ? __die_body.cold+0x1a/0x1f <4>[ 33.055643] ? die+0x2a/0x50 <4>[ 33.059152] ? do_trap+0x86/0x100 <4>[ 33.063130] ? lkdtm_BUG+0x5/0x10 <4>[ 33.067120] ? lkdtm_BUG+0x5/0x10 <4>[ 33.071108] ? do_error_trap+0x7d/0x110 <4>[ 33.075676] ? lkdtm_BUG+0x5/0x10 <4>[ 33.079679] ? exc_invalid_op+0x4c/0x60 <4>[ 33.084249] ? lkdtm_BUG+0x5/0x10 <4>[ 33.088240] ? asm_exc_invalid_op+0x12/0x20 <4>[ 33.093201] ? direct_entry+0xe0/0xe0 <4>[ 33.097578] ? lkdtm_BUG+0x5/0x10 <4>[ 33.101570] direct_entry.cold+0x2c/0x38 <4>[ 33.106241] full_proxy_write+0x53/0x80 <4>[ 33.110814] vfs_write+0xf0/0x3c0 <4>[ 33.114803] ksys_write+0x74/0xf0 <4>[ 33.118793] do_syscall_64+0x30/0x40 <4>[ 33.123073] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 33.129005] RIP: 0033:0x7ff247080240 <4>[ 33.133285] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 33.154553] RSP: 002b:00007ffcd60d0bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 33.163301] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff247080240 <4>[ 33.171565] RDX: 0000000000000004 RSI: 00007ff246f64000 RDI: 0000000000000001 <4>[ 33.179818] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 33.188069] R10: 00007ff246fa14d0 R11: 0000000000000202 R12: 00007ff246f64000 <4>[ 33.196332] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 33.204595] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 33.288936] gsmi: Log Shutdown Reason 0x03 <4>[ 33.293831] ---[ end trace 242e5a7a3af61dc4 ]--- <4>[ 33.299282] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.303956] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 33.325239] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 33.331376] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.339646] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 33.347917] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.356187] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 33.364461] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 33.372745] FS: 00007ff246f85740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 33.382107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.388846] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0 # Segmentation fault # [ 32.913751] lkdtm: Performing direct entry BUG # [ 32.919096] ------------[ cut here ]------------ # [ 32.924566] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.930718] invalid opcode: 0000 [#1] SMP PTI # [ 32.935881] CPU: 2 PID: 666 Comm: cat Not tainted 5.10.222-cip50 #1 # [ 32.943173] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.950270] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.954943] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 32.976215] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 32.982341] RAX: ffffffff96f<6>[ 33.481184] lkdtm: Performing direct entry WARNING <4>[ 33.489442] ------------[ cut here ]------------ <4>[ 33.494904] WARNING: CPU: 3 PID: 704 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.9905<4>[ 33.504633] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 33.593211] CPU: 3 PID: 704 Comm: cat Tainted: G D 5.10.222-cip50 #1 92] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e<4>[ 33.602092] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.615405] RIP: 0010:lkdtm_WARNING+0x13/0x20 40bf0 # [ 32.998851] RBP: 0000000000000004 R08: 0000000000000<4>[ 33.620587] Code: cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 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 11 dd <4>[ 33.648069] RSP: 0018:ffffb0908150fe70 EFLAGS: 00010202 <4>[ 33.654195] RAX: ffffffff96f95110 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 33.662460] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c00 <4>[ 33.670722] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.678985] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908150ff10 <4>[ 33.687247] R13: ffffffff992c8d3f R14: ffff8c7a4431f000 R15: ffffb0908150ff10 <4>[ 33.695508] FS: 00007f64cc068740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 33.704838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.711547] CR2: 00007f64cc047000 CR3: 000000010639c004 CR4: 00000000003706e0 <4>[ 33.719809] Call Trace: <4>[ 33.722851] ? __warn+0x80/0x110 001 R09: 0000000000000001 # [ 33.007109] R10: 00000000ffffdff<4>[ 33.726755] ? lkdtm_WARNING+0x13/0x20 <4>[ 33.737441] ? report_bug+0x99/0xc0 <4>[ 33.741667] ? handle_bug+0x41/0x80 <4>[ 33.745876] ? exc_invalid_op+0x13/0x60 <4>[ 33.750448] ? asm_exc_invalid_op+0x12/0x20 <4>[ 33.755436] ? lkdtm_BUG+0x10/0x10 <4>[ 33.759548] ? lkdtm_WARNING+0x13/0x20 <4>[ 33.764025] direct_entry.cold+0x2c/0x38 <4>[ 33.768696] full_proxy_write+0x53/0x80 <4>[ 33.773271] vfs_write+0xf0/0x3c0 <4>[ 33.777263] ksys_write+0x74/0xf0 <4>[ 33.781254] do_syscall_64+0x30/0x40 <4>[ 33.785537] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 33.791473] RIP: 0033:0x7f64cc163240 <4>[ 33.795779] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 33.817059] RSP: 002b:00007ffe2624e828 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 33.825811] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f64cc163240 <4>[ 33.834076] RDX: 0000000000000008 RSI: 00007f64cc047000 RDI: 0000000000000001 <4>[ 33.842339] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 33.850627] R10: 00007f64cc0844d0 R11: 0000000000000202 R12: 00007f64cc047000 f R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 33.015369] <4>[ 33.858883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 33.873360] irq event stamp: 0 R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff1<4>[ 33.877083] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.890587] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 0 # [ 33.023631] FS: 00007ff246f85740(0000) GS:ffff8c7abad00<4>[ 33.900016] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 33.915679] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.922972] ---[ end trace 242e5a7a3af61dc5 ]--- 000(0000) knlGS:0000000000000000 # [ 33.032961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.039688] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0 # [ 33.047947] Call Trace: # [ 33.050966] ? __die_body.cold+0x1a/0x1f # [ 33.055643] ? die+0x2a/0x50 # [ 33.059152] ? do_trap+0x86/0x100 # [ 33.063130] ? lkdtm_BUG+0x5/0x10 # [ 33.067120] ? lkdtm_BUG+0x5/0x10 # [ 33.071108] ? do_error_trap+0x7d/0x110 # [ 33.075676] ? lkdtm_BUG+0x5/0x10 # [ 33.079679] ? exc_invalid_op+0x4c/0x60 # [ 33.084249] ? lkdtm_BUG+0x5/0x10 # [ 33.088240] ? asm_exc_invalid_op+0x12/0x20 # [ 33.093201] ? direct_entry+0xe0/0xe0 # [ 33.097578] ? lkdtm_BUG+0x5/0x10 # [ 33.101570] direct_entry.cold+0x2c/0x38 # [ 33.106241] full_proxy_write+0x53/0x80 # [ 33.110814<6>[ 34.007466] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 34.015679] ------------[ cut here ]------------ ] vfs_write+0xf0/0x3c0 # [ 33.114803] ksys_write+0x74/0xf0 <4>[ 34.021158] Warning message trigger count: 2 # [ 33.118793] do_syscall_64+0x30/0x40 # [ 33.123073] en<4>[ 34.032460] WARNING: CPU: 2 PID: 740 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 try_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 33.129005] RIP: 00<4>[ 34.049165] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 34.137779] CPU: 2 PID: 740 Comm: cat Tainted: G D W 5.10.222-cip50 #1 33:0x7ff247080240 # [ 33.133285] Code: 40 00 48 8b 15 c1 9b 0<4>[ 34.146639] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.159943] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 34.165908] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 dd c6 03 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 34.187180] RSP: 0018:ffffb090815a7e70 EFLAGS: 00010286 d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1<4>[ 34.193309] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 34.207786] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 34.216078] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.224341] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090815a7f10 <4>[ 34.232622] R13: ffffffff992c8d47 R14: ffff8c7a47fda000 R15: ffffb090815a7f10 <4>[ 34.240908] FS: 00007f36b68ba740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<4>[ 34.250250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.263163] CR2: 00007f36b6899000 CR3: 000000010512a002 CR4: 00000000003706e0 <4>[ 34.271425] Call Trace: <4>[ 34.274467] ? __warn+0x80/0x110 8 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 33.154553] RS<4>[ 34.278367] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 34.289829] ? report_bug+0x99/0xc0 <4>[ 34.294037] ? handle_bug+0x41/0x80 <4>[ 34.298252] ? exc_invalid_op+0x13/0x60 <4>[ 34.302826] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.307816] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 34.313101] direct_entry.cold+0x2c/0x38 <4>[ 34.317797] full_proxy_write+0x53/0x80 <4>[ 34.322401] vfs_write+0xf0/0x3c0 <4>[ 34.326422] ksys_write+0x74/0xf0 <4>[ 34.330414] do_syscall_64+0x30/0x40 <4>[ 34.334696] entry_SYSCALL_64_after_hwframe+0x67/0xd1 P: 002b:00007ffcd60d0bf8 EFLAGS: 00000202 ORIG_RAX: 000000000000<4>[ 34.340633] RIP: 0033:0x7f36b69b5240 <4>[ 34.351128] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 34.372400] RSP: 002b:00007ffe809db578 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.381148] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f36b69b5240 <4>[ 34.389411] RDX: 0000000000000010 RSI: 00007f36b6899000 RDI: 0000000000000001 <4>[ 34.397679] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.405941] R10: 00007f36b68d64d0 R11: 0000000000000202 R12: 00007f36b6899000 <4>[ 34.414203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 34.422469] irq event stamp: 0 0001 # [ 33.163301] RAX: ffffffffffffffda RBX: 00000000000000<4>[ 34.426193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.439694] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 34.449120] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 34.458548] softirqs last disabled at (0): [<0000000000000000>] 0x0 04 RCX: 00007ff247080240 # [ 33.171565] RDX: 0000000000000004<4>[ 34.465843] ---[ end trace 242e5a7a3af61dc6 ]--- RSI: 00007ff246f64000 RDI: 0000000000000001 # [ 33.179818] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 # [ 33.188069] R10: 00007ff246fa14d0 R11: 0000000000000202 R12: 00007ff246f64000 # [ 33.196332] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 33.204595] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_<6>[ 34.563577] lkdtm: Performing direct entry EXCEPTION <1>[ 34.570381] BUG: kernel NULL pointer dereference, address: 0000000000000000 compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_<1>[ 34.578453] #PF: supervisor write access in kernel mode <1>[ 34.590788] #PF: error_code(0x0002) - not-present page <6>[ 34.596812] PGD 0 P4D 0 <4>[ 34.599925] Oops: 0002 [#2] SMP PTI <4>[ 34.604106] CPU: 3 PID: 773 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 34.612945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.620041] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.625290] Code: 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 34.646558] RSP: 0018:ffffb09081627e70 EFLAGS: 00010286 <4>[ 34.652682] RAX: ffffffff96f95160 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 34.660939] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c20 <4>[ 34.669197] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.677455] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081627f10 <4>[ 34.685713] R13: ffffffff991bbdaf R14: ffff8c7a4429a000 R15: ffffb09081627f10 <4>[ 34.693972] FS: 00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 34.703299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.710002] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0 <4>[ 34.718259] Call Trace: <4>[ 34.721279] ? __die_body.cold+0x1a/0x1f <4>[ 34.725947] ? no_context.constprop.0+0x121/0x320 <4>[ 34.731491] ? exc_page_fault+0x4e/0x160 <4>[ 34.736160] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.741119] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 34.746368] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.750930] direct_entry.cold+0x2c/0x38 <4>[ 34.755589] full_proxy_write+0x53/0x80 <4>[ 34.760162] vfs_write+0xf0/0x3c0 <4>[ 34.764157] ksys_write+0x74/0xf0 i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_u<4>[ 34.768149] do_syscall_64+0x30/0x40 <4>[ 34.778637] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 34.784566] RIP: 0033:0x7f0acbe1e240 <4>[ 34.788844] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 34.810105] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.818850] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe1e240 <4>[ 34.827108] RDX: 000000000000000a RSI: 00007f0acbd02000 RDI: 0000000000000001 <4>[ 34.835365] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.843622] R10: 00007f0acbd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000 <4>[ 34.851881] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 sbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoin<4>[ 34.860141] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 34.948728] CR2: 0000000000000000 <4>[ 34.952706] ---[ end trace 242e5a7a3af61dc7 ]--- <4>[ 34.958149] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.962815] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 34.984081] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 34.990206] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.998457] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 35.006707] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.014964] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 35.023223] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 35.031480] FS: 00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 35.040807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.047511] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0 <3>[ 35.055768] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.065969] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 773, name: cat <4>[ 35.074623] INFO: lockdep is turned off. <4>[ 35.079291] irq event stamp: 0 <4>[ 35.082986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.090265] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 35.099687] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 35.109110] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.116399] CPU: 3 PID: 773 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 35.125241] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.132334] Call Trace: <4>[ 35.135352] dump_stack+0x77/0x9b <4>[ 35.139340] ___might_sleep.cold+0xa6/0xb7 <4>[ 35.144204] exit_signals+0x1c/0x300 <4>[ 35.148482] do_exit+0xbd/0xaa0 <4>[ 35.152276] ? ksys_write+0x74/0xf0 <4>[ 35.156457] make_task_dead+0x2e/0x30 <4>[ 35.160832] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.166364] RIP: 0033:0x7f0acbe1e240 <4>[ 35.170641] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 35.191909] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.200651] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe1e240 <4>[ 35.208908] RDX: 000000000000000a RSI: 00007f0acbd02000 RDI: 0000000000000001 <4>[ 35.217166] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.225423] R10: 00007f0acbd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000 <4>[ 35.233681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 t cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.288936] gsmi: Log Shutdown Reason 0x03 # [ 33.293831] ---[ end trace 242e5a7a3af61dc4 ]--- # [ 33.299282] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.303956] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 33.325239] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 33.331376] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.339646] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 33.347917] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 33.356187] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 33.364461] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 33.372745] FS: 00007ff246f85740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 33.382107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.388846] CR2: 00007ff246f64000 CR3: 0000000107012001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 33.481184] lkdtm: Performing direct entry WARNING # [ 33.489442] ------------[ cut here ]------------ # [ 33.494904] WARNING: CPU: 3 PID: 704 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 33.504633] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_<6>[ 35.457209] lkdtm: Performing direct entry CORRUPT_LIST_ADD sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_tab<6>[ 35.466036] lkdtm: attempting good list addition le # [ 33.593211] CPU: 3 PID: 704 Comm: cat Tainted: G D<6>[ 35.477697] lkdtm: attempting corrupted list addition 5.10.222-cip50 #1 # [ 33.602092] Hardware name: Go<3>[ 35.489871] lkdtm: list_add() corruption not detected! ogle Rammus/Rammus, BIOS 09/04/2020 # [ 33.615405] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 33.620587] Code: cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 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 11 dd # [ 33.648069] RSP: 0018:ffffb0908150fe70 EFLAGS: 00010202 # [ 33.654195] RAX: ffffffff96f95110 RBX: 0000000000000002 RCX: 0000000000000000 # [ 33.662460] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c00 # [ 33.670722] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 # [ 33.678985] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908150ff10 # [ 33.687247] R13: ffffffff992c8d3f R14: ffff8c7a4431f000 R15: ffffb0908150ff10 # [ 33.695508] FS: 00007f64cc068740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 33.704838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.711547] CR2: 00007f64cc047000 CR3: 000000010639c004 CR4: 00000000003706e0 # [ 33.719809] Call Trace: # [ 33.722851] ? __warn+0x80/0x110 # [ 33.726755] ? lkdtm_WARNING+0x13/0x20 # [ 33.737441] ? report_bug+0x99/0xc0 # [ 33.741667] ? handle_bug+0x41/0x80 # [ 33.745876] ? exc_invalid_op+0x13/0x60 # [ 33.750448] ? asm_exc_invalid_op+0x12/0x20 # [ 33.755436] ? lkdtm_BUG+0x10/0x10 # [ 33.759548] ? lkdtm_WARNING+0x13/0x20 # [ 33.764025] direct_entry.cold+0x2c/0x38 # [ 33.768696] full_proxy_write+0x53/0x80 # [ 33.773271] vfs_write+0xf0/0x3c0 # [ 33.777263] ksys_write+0x74/0xf0 # [ 33.781254] do_syscall_64+0x30/0x40 # [ 33.785537] entry_SYSCALL<6>[ 35.661460] lkdtm: Performing direct entry CORRUPT_LIST_DEL _64_after_hwframe+0x67/0xd1 # [ 33.791473] RIP: 0033:0x7f64cc<6>[ 35.670198] lkdtm: attempting good list removal 163240 # [ 33.795779] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 <6>[ 35.681768] lkdtm: attempting corrupted list removal 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 0<3>[ 35.693816] lkdtm: list_del() corruption not detected! 0 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 33.817059] RSP: 002b:00007ffe2624e828 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 33.825811] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f64cc163240 # [ 33.834076] RDX: 0000000000000008 RSI: 00007f64cc047000 RDI: 0000000000000001 # [ 33.842339] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 # [ 33.850627] R10: 00007f64cc0844d0 R11: 0000000000000202 R12: 00007f64cc047000 # [ 33.858883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 33.873360] irq event stamp: 0 # [ 33.877083] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.890587] hardirqs last disabled at (0): [<<6>[ 35.779150] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING ffffffff965001e1>] copy_process+0x6e1/0x2190 # [ 33.900016] s<6>[ 35.787935] lkdtm: attempting bad read from page below current stack oftirqs last enabled at (0): [] copy_process+<0>[ 35.801540] BUG: stack guard page was hit at 00000000d5c2ff13 (stack is 00000000af7f6c59..000000005d22d75d) <4>[ 35.818920] kernel stack overflow (page fault): 0000 [#3] SMP PTI 0x6e1/0x2190 # [ 33.915679] softirqs last disabled at (0): [<<4>[ 35.826016] CPU: 1 PID: 1005 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 35.841164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.848261] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x25/0x3f 0000000000000000>] 0x0 # [ 33.922972] ---[ end trace 242e5a7a<4>[ 35.855063] Code: c3 cc cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 b5 f2 fb ff <8a> 43 ff 48 c7 c7 80 96 2c 99 88 44 24 07 0f b6 74 24 07 5a 5b e9 <4>[ 35.882543] RSP: 0018:ffffb090819c7e60 EFLAGS: 00010246 <4>[ 35.888676] RAX: 0000000000000038 RBX: ffffb090819c4000 RCX: 0000000000000000 <4>[ 35.896928] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 <4>[ 35.905185] RBP: 0000000000000019 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.913445] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090819c7f10 <4>[ 35.921695] R13: ffffffff992c8daa R14: ffff8c7a47b10000 R15: ffffb090819c7f10 <4>[ 35.929954] FS: 00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 35.939279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.945984] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0 <4>[ 35.954241] Call Trace: <4>[ 35.957257] <#DF> <4>[ 35.959784] ? __die_body.cold+0x1a/0x1f 3af61dc5 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lk<4>[ 35.964452] ? die+0x2a/0x50 <4>[ 35.974164] ? handle_stack_overflow+0x3d/0x4c <4>[ 35.979406] ? no_context.constprop.0+0x1e7/0x320 <4>[ 35.984946] dtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 3<4>[ 35.987573] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 36.076130] ---[ end trace 242e5a7a3af61dc8 ]--- 4.007466] lkdtm: Performing direct entry WARNING_MESSAGE # [ <4>[ 36.081576] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.092453] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 36.113712] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 36.119826] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.128084] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 36.136342] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.144622] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 36.152879] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 36.161138] FS: 00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 36.170465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.177160] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0 <3>[ 36.185421] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.195626] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat <4>[ 36.204368] INFO: lockdep is turned off. <4>[ 36.209035] irq event stamp: 0 <4>[ 36.212731] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.220021] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 36.229436] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 36.238861] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.246141] CPU: 1 PID: 1005 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 36.255078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.262172] Call Trace: <4>[ 36.265189] dump_stack+0x77/0x9b 34.015679] ------------[ cut here ]------------ # [ 34.021158<4>[ 36.269178] ___might_sleep.cold+0xa6/0xb7 <4>[ 36.280249] exit_signals+0x1c/0x300 ] Warning message trigger count: 2 # [ 34.032460] WARNING: CP<4>[ 36.284530] do_exit+0xbd/0xaa0 <4>[ 36.294536] ? ksys_write+0x74/0xf0 U: 2 PID: 740 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESS<4>[ 36.298721] make_task_dead+0x2e/0x30 <4>[ 36.309308] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.314849] RIP: 0033:0x7f6c8875a240 <4>[ 36.319127] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 36.340394] RSP: 002b:00007ffdcd93ef18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 36.349139] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6c8875a240 <4>[ 36.357389] RDX: 0000000000000019 RSI: 00007f6c8863e000 RDI: 0000000000000001 <4>[ 36.365646] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 36.373904] R10: 00007f6c8867b4d0 R11: 0000000000000202 R12: 00007f6c8863e000 <4>[ 36.382163] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 AGE+0x20/0x30 # [ 34.049165] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.137779] CPU: 2 PID: 740 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 34<6>[ 36.478038] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING .146639] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 36.491070] lkdtm: attempting bad read from page above current stack # [ 34.159943] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ <0>[ 36.504723] BUG: stack guard page was hit at 00000000f9c12c55 (stack is 00000000b43143c3..000000002637f4c9) <4>[ 36.522066] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 36.529161] CPU: 0 PID: 1039 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 36.538091] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.545189] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x25/0x42 <4>[ 36.552086] Code: e9 9b f2 fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 76 f2 fb ff <8a> 83 00 40 00 00 48 c7 c7 f8 96 2c 99 88 44 24 07 0f b6 74 24 07 <4>[ 36.573353] RSP: 0018:ffffb09081a57e60 EFLAGS: 00010246 <4>[ 36.579477] RAX: 0000000000000038 RBX: ffffb09081a54000 RCX: 0000000000000000 <4>[ 36.587736] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 <4>[ 36.595995] RBP: 000000000000001a R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.604245] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081a57f10 <4>[ 36.612502] R13: ffffffff992c8dc3 R14: ffff8c7a44e1b000 R15: ffffb09081a57f10 <4>[ 36.620762] FS: 00007f6647ff2740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 <4>[ 36.630089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.636785] CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706f0 <4>[ 36.645043] Call Trace: <4>[ 36.648060] <#DF> <4>[ 36.650584] ? __die_body.cold+0x1a/0x1f <4>[ 36.655256] ? die+0x2a/0x50 <4>[ 36.658764] ? handle_stack_overflow+0x3d/0x4c <4>[ 36.664017] ? no_context.constprop.0+0x1e7/0x320 <4>[ 36.669557] <4>[ 36.672183] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 36.754570] ---[ end trace 242e5a7a3af61dc9 ]--- <4>[ 36.760021] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.764688] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 36.785955] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 36.792077] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.800336] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 36.808596] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.816854] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 36.825112] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 36.833371] FS: 00007f6647ff2740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 <4>[ 36.842696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.849400] CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706f0 34.165908] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 dd c6 03 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 34.187180] RSP: 0018:ffffb090815a7e70 EFLAGS: 00010286 # [ 34.193309] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 34.207786] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 34.216078] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000 # [ 34.224341] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090815a7f10 # [ 34.232622] R13: ffffffff992c8d47 R14: ffff8c7a47fda000 R15: ffffb090815a7f10 # [ 34.240908] FS: 00007f36b68ba740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 34.250250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.263163] CR2: 00007f36b6899000 CR3: 000000010512a002 CR4: 00000000003706e0 # [ 34.271425] Call Trace: # [ 34.274467] ? __warn+0x80/0x110 # [ 34.278367] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.289829] ? report_bug+0x99/0xc0 # [ 34.294037] ? handle_bug+0x41/0x80 # [ 34.298252] ? exc_invalid_op+0x13/0x60 # [ 34.302826] ? asm_exc_invalid_op+0x12/0x20 # [ 34.307816] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.313101] direct_entry.cold+0x2c/0x38 # [ 34.317797] full_proxy_write+0x53/0x80 # [ 34.322401] vfs_write+0xf0/0x3c0 # [ 34.326422] ksys_write+0x74/0xf0 # [ 34.330414] do_syscall_64+0x30/0x40 # [ 34.334696] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 34.340633] RIP: 0033:0x7f36b69b5240 # [ 34.351128] Code: 40 00 48 8b 15 c1 9b 0d <6>[ 37.017422] lkdtm: Performing direct entry UNSET_SMEP <6>[ 37.025202] lkdtm: trying to clear SMEP normally <4>[ 37.030699] ------------[ cut here ]------------ 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 2<4>[ 37.036178] pinned CR4 bits changed: 0x100000!? <4>[ 37.047748] WARNING: CPU: 2 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 3 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 <4>[ 37.058274] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 37.146898] CPU: 2 PID: 1076 Comm: cat Tainted: G D W 5.10.222-cip50 #1 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 34.372400] RSP:<4>[ 37.155849] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.169151] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 37.174616] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 3d 34 26 03 00 75 f2 48 c7 c7 70 5e 1c 99 c6 05 2d 34 26 03 01 e8 e6 b5 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 002b:00007ffe809db578 EFLAGS: 00000202 ORIG_RAX: 00000000000000<4>[ 37.195903] RSP: 0018:ffffb09081acfe58 EFLAGS: 00010282 <4>[ 37.208235] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 37.216496] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 37.224757] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.233019] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081acff10 <4>[ 37.241281] R13: ffffffff992c8ddd R14: ffff8c7a459c3000 R15: ffffb09081acff10 <4>[ 37.249543] FS: 00007ff26aa41740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 37.258872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.265578] CR2: 00007ff26aa20000 CR3: 0000000100e76006 CR4: 00000000003706e0 <4>[ 37.273839] Call Trace: <4>[ 37.276863] ? __warn+0x80/0x110 <4>[ 37.280776] ? native_write_cr4+0x45/0x60 01 # [ 34.381148] RAX: ffffffffffffffda RBX: 0000000000000010<4>[ 37.285546] ? report_bug+0x99/0xc0 RCX: 00007f36b69b5240 # [ 34.389411] RDX: 0000000000000010 R<4>[ 37.295946] ? handle_bug+0x41/0x80 <4>[ 37.306341] ? exc_invalid_op+0x13/0x60 <4>[ 37.310917] ? asm_exc_invalid_op+0x12/0x20 <4>[ 37.315883] ? native_write_cr4+0x45/0x60 SI: 00007f36b6899000 RDI: 0000000000000001 # [ 34.397679] RBP<4>[ 37.320677] ? native_write_cr4+0x45/0x60 <4>[ 37.331651] lkdtm_UNSET_SMEP.cold+0x1f/0x110 <4>[ 37.336808] direct_entry.cold+0x2c/0x38 <4>[ 37.341503] full_proxy_write+0x53/0x80 <4>[ 37.346108] vfs_write+0xf0/0x3c0 <4>[ 37.350123] ksys_write+0x74/0xf0 <4>[ 37.354113] do_syscall_64+0x30/0x40 <4>[ 37.358420] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 37.364351] RIP: 0033:0x7ff26ab3c240 : 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 37.368637] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 37.396127] RSP: 002b:00007ffcc8dc6e88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 37.404909] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff26ab3c240 <4>[ 37.413175] RDX: 000000000000000b RSI: 00007ff26aa20000 RDI: 0000000000000001 <4>[ 37.421469] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 37.429732] R10: 00007ff26aa5d4d0 R11: 0000000000000202 R12: 00007ff26aa20000 <4>[ 37.437995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 37.446279] irq event stamp: 0 # [ 34.405941] R10: 00007f36b68d64d0 R11: 0000000000000202 R12<4>[ 37.449988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.463488] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 37.472915] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 37.482343] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.489635] ---[ end trace 242e5a7a3af61dca ]--- <6>[ 37.495081] lkdtm: ok: SMEP did not get cleared <6>[ 37.500430] lkdtm: trying to clear SMEP with call gadget <6>[ 37.506673] lkdtm: ok: SMEP removal was reverted : 00007f36b6899000 # [ 34.414203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.422469] irq event stamp: 0 # [ 34.426193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.439694] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 34.449120] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 34.458548] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.465843] ---[ end trace 242e5a7a3af61dc6 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 34.563577] lkdtm: Performing direct entry EXCEPTION # [ 34.570381] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 34.578453] #PF: supervisor write access in kernel mode # [ 34.590788] #PF: error_code(0x0002) - not-present page # [ 34.596812] PGD 0 P4D <6>[ 37.603776] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 37.611537] lkdtm: XFAIL: this test is ia32-only 0 # [ 34.599925] Oops: 0002 [#2] SMP PTI # [ 34.604106] CPU: 3 PID: 773 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 34.612945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.620041] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 34.625290] Code: 48 c7 c7 a0 92 2c 99 8d 70 01 89 35 01 dd c6 03 e8 1b a6 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 34.646558] RSP: 0018:ffffb09081627e70 EFLAGS: 00010286 # [ 34.652682] RAX: ffffffff96f95160 RBX: 0000000000000004 RCX: 0000000000000000 # [ 34.660939] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff98e40c20 # [ 34.669197] RBP: 000000000000000a R08: 0000000000000000 R09: 0000000000000000 # [ 34.677455] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081627f10 # [ 34.685713] R13: ffffffff991bbdaf R14: ffff8c7a4429a000 R15: ffffb09081627f10 # [ 34.693972] FS: 00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 34.703299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.710002] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0 # [ 34.718259] Call Trace: # [ 34.721279] ? __die_body.cold+0x1a/0<6>[ 37.740672] lkdtm: Performing direct entry CORRUPT_PAC x1f # [ 34.725947] ? no_context.constprop.0+0x121/0x320 # [<3>[ 37.747408] lkdtm: XFAIL: this test is arm64-only 34.731491] ? exc_page_fault+0x4e/0x160 # [ 34.736160] ? asm_exc_page_fault+0x1e/0x30 # [ 34.741119] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 34.746368] ? lkdtm_EXCEPTION+0x5/0x20 # [ 34.750930] direct_entry.cold+0x2c/0x38 # [ 34.755589] full_proxy_write+0x53/0x80 # [ 34.760162] vfs_write+0xf0/0x3c0 # [ 34.764157] ksys_write+0x74/0xf0 # [ 34.768149] do_syscall_64+0x30/0x40 # [ 34.778637] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 34.784566] RIP: 0033:0x7f0acbe1e240 # [ 34.788844] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 34.810105] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.818850] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe<6>[ 37.842214] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 1e240 # [ 34.827108] RDX: 000000000000000a RSI: 00007f0acbd02<3>[ 37.853688] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 000 RDI: 0000000000000001 # [ 34.835365] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 34.843622] R10: 00007f0acbd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000 # [ 34.851881] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.860141] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.948728] CR2: 0000000000000000 # [ 34.952706] ---[ end trace 242e5a7a3af61dc7 ]--- # [ 34.958149] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.962815] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 34.984081] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 34.990206] RAX: ffffffff96f95100 RBX: 00000000<6>[ 38.017312] lkdtm: Performing direct entry READ_AFTER_FREE 00000001 RCX: 0000000000000000 # [ 34.998457] RDX: 0000000000<6>[ 38.029688] lkdtm: Value in memory before free: 12345678 000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 35.006<6>[ 38.042142] lkdtm: Attempting bad read from freed memory 707] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000<6>[ 38.054561] lkdtm: Memory was not poisoned 000001 # [ 35.014964] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 35.023223] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 35.031480] FS: 00007f0acbd23740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 35.040807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.047511] CR2: 0000000000000000 CR3: 00000001048c8005 CR4: 00000000003706e0 # [ 35.055768] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.065969] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 773, name: cat # [ 35.074623] INFO: lockdep is turned off. # [ 35.079291] irq event stamp: 0 # [ 35.082986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.090265] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 35.099687] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 35.109110] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.116399] CPU: 3 PID: 773 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 35.125241] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.132334] Call Trace: # [ 35.135352] dump_stack+0x77/0x9b # [ 35.<6>[ 38.184415] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 38.196933] lkdtm: Value in memory before free: 12345678 <6>[ 38.203189] lkdtm: Attempting to read from freed memory <6>[ 38.209348] lkdtm: Buddy page was not poisoned 139340] ___might_sleep.cold+0xa6/0xb7 # [ 35.144204] exit_signals+0x1c/0x300 # [ 35.148482] do_exit+0xbd/0xaa0 # [ 35.152276] ? ksys_write+0x74/0xf0 # [ 35.156457] make_task_dead+0x2e/0x30 # [ 35.160832] rewind_stack_and_make_dead+0x17/0x20 # [ 35.166364] RIP: 0033:0x7f0acbe1e240 # [ 35.170641] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 35.191909] RSP: 002b:00007ffdea3488f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.200651] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0acbe1e240 # [ 35.208908] RDX: 000000000000000a RSI: 00007f0acbd02000 RDI: 0000000000000001 # [ 35.217166] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 35.225423] R10: 00007f0ac<6>[ 38.295699] lkdtm: Performing direct entry SLAB_FREE_DOUBLE bd3f4d0 R11: 0000000000000202 R12: 00007f0acbd02000 # [ 35.23<6>[ 38.308165] lkdtm: Attempting double slab free ... 3681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 35.457209] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 35.466036] lkdtm: attempting good list addition # [ 35.477697] lkdtm: attempti<6>[ 38.406790] lkdtm: Performing direct entry SLAB_FREE_CROSS ng corrupted list addition # [ 35.489871] lkdtm: list_add() c<6>[ 38.413456] lkdtm: Attempting cross-cache slab free ... orruption 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 # [ 35.661460] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 35.670198] lkdtm: attempting good list removal # [ 35.681768] lkdtm: attempting corrupted list removal # [ 35.693816] 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 # [ 35.779150] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 35.787935] lkdtm: attempting bad read from page below current stack # [ 35.801540] BUG: stack guard page was hit at 00000000d5c2ff13 (stack is 00000000af7f6c59..000000005d22d75d) # [ 35.818920] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.826016] CPU: 1 PID: 1005 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 35.841164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.848261] RIP: 0010:lkdtm_STACK_GUAR<6>[ 38.534540] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 38.543984] lkdtm: Attempting non-Slab slab free ... D_PAGE_LEADING+0x25/0x3f # [ 35.855063] Code: c3 cc cc cc cc 0f 1f 44 00 00 53 48 c7 c7 40 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 b5 f2 fb ff <8a> 43 ff 48 c7 c7 80 96 2c 99 88 44 24 07 0f b6 74 24 07 5a 5b e9 # [ 35.882543] RSP: 0018:ffffb090819c7e60 EFLAGS: 00010246 # [ 35.888676] RAX: 0000000000000038 RBX: ffffb090819c4000 RCX: 0000000000000000 # [ 35.896928] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 # [ 35.905185] RBP: 0000000000000019 R08: 0000000000000000 R09: 0000000000000000 # [ 35.913445] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090819c7f10 # [ 35.921695] R13: ffffffff992c8daa R14: ffff8c7a47b10000 R15: ffffb090819c7f10 # [ 35.929954] FS: 00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 35.939279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.945984] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0 # [ 35.954241] Call Trace: # [ 35.957257] <#DF> # [ 35.959784] ? __die_body.cold+0x1a/0x1f # [ 35.964452] ? die+0x2a/0x50 # [ 35.974164] ? handle_stack_overflow+0x3d/0x4c # [ 35.979406] ? no_context.constprop.0+0x1e7/0x320 # [ 35.984946] # [ 35.987573] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_le<6>[ 38.747215] lkdtm: Performing direct entry EXEC_DATA d_backlight chromeos_pstore coreboot_table # [ 36.076130] ---<6>[ 38.754623] lkdtm: attempting ok execution at ffffffff96f954c0 [ end trace 242e5a7a3af61dc8 ]--- # [ 36.081576] RIP: 0010:lk<6>[ 38.767698] lkdtm: attempting bad execution at ffffffff9ac02e80 dtm_BUG+0x5/0x10 # [ 36.092453] Code: ff ff ff eb e0 48 c7 c0<2>[ 38.780787] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.795623] BUG: unable to handle page fault for address: ffffffff9ac02e80 <1>[ 38.803592] #PF: supervisor instruction fetch in kernel mode <1>[ 38.810190] #PF: error_code(0x0011) - permissions violation <6>[ 38.816702] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000cc000e3 <4>[ 38.824194] Oops: 0011 [#5] SMP PTI <4>[ 38.828366] CPU: 0 PID: 1599 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 38.837304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.844400] RIP: 0010:data_area+0x0/0x40 <4>[ 38.849072] Code: ff ff 00 d4 22 45 7a 8c ff ff 00 d3 22 45 7a 8c 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 53 <4>[ 38.870333] RSP: 0018:ffffb09082357e58 EFLAGS: 00010246 <4>[ 38.876455] RAX: 0000000000000033 RBX: ffffffff9ac02e80 RCX: 0000000000000000 <4>[ 38.884712] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 <4>[ 38.892969] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.901228] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082357f10 <4>[ 38.909486] R13: ffffffff992c8efc R14: ffff8c7a486d1000 R15: ffffb09082357f10 <4>[ 38.917744] FS: 00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 <4>[ 38.927072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.933777] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0 <4>[ 38.942035] Call Trace: <4>[ 38.945054] ? __die_body.cold+0x1a/0x1f <4>[ 38.949729] ? no_context.constprop.0+0x121/0x320 <4>[ 38.955279] ? exc_page_fault+0xcd/0x160 <4>[ 38.959945] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.964907] ? execute_location+0x46/0x57 <4>[ 38.969679] ? direct_entry.cold+0x2c/0x38 <4>[ 38.974544] ? full_proxy_write+0x53/0x80 <4>[ 38.979309] ? vfs_write+0xf0/0x3c0 <4>[ 38.983483] ? ksys_write+0x74/0xf0 <4>[ 38.987674] ? do_syscall_64+0x30/0x40 <4>[ 38.992147] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 38.998275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.080674] CR2: ffffffff9ac02e80 <4>[ 39.084682] ---[ end trace 242e5a7a3af61dcb ]--- <4>[ 39.090128] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.094796] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 39.116058] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 39.122180] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.130439] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 39.138697] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.146955] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 39.155212] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 39.163470] FS: 00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 <4>[ 39.172796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.179501] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0 <3>[ 39.187760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.197960] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1599, name: cat <4>[ 39.206702] INFO: lockdep is turned off. <4>[ 39.211368] irq event stamp: 0 <4>[ 39.215064] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.222353] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 39.231768] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 39.241193] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.248472] CPU: 0 PID: 1599 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 39.257401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.264494] Call Trace: <4>[ 39.267513] dump_stack+0x77/0x9b <4>[ 39.271507] ___might_sleep.cold+0xa6/0xb7 <4>[ 39.276361] exit_signals+0x1c/0x300 <4>[ 39.280646] do_exit+0xbd/0xaa0 <4>[ 39.284463] ? ksys_write+0x74/0xf0 <4>[ 39.288645] make_task_dead+0x2e/0x30 <4>[ 39.293020] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.298560] RIP: 0033:0x7f1a575e8240 <4>[ 39.302838] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 39.324107] RSP: 002b:00007ffda534d2d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 39.332842] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1a575e8240 <4>[ 39.341101] RDX: 000000000000000a RSI: 00007f1a574cc000 RDI: 0000000000000001 <4>[ 39.349360] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 39.357623] R10: 00007f1a575094d0 R11: 0000000000000202 R12: 00007f1a574cc000 <4>[ 39.365882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 36.113712] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 36.119826] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.128084] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 36.136342] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 36.144622] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 36.152879] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 36.161138] FS: 00007f6c8865f740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 36.170465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.177160] CR2: ffffb090819c3fff CR3: 0000000106144006 CR4: 00000000003706e0 # [ 36.185421] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.195626] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat # [ 36.204368] INFO: lockdep is turned off. # [ 36.209035] irq event stamp: 0 # [ 36.212731] hardirqs last enable<6>[ 39.488070] lkdtm: Performing direct entry EXEC_STACK <6>[ 39.498235] lkdtm: attempting ok execution at ffffffff96f954c0 d at (0): [<0000000000000000>] 0x0 # [ 36.220021] hardirqs la<6>[ 39.505081] lkdtm: attempting bad execution at ffffb090823c7e28 <2>[ 39.518190] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.526845] BUG: unable to handle page fault for address: ffffb090823c7e28 <1>[ 39.534813] #PF: supervisor instruction fetch in kernel mode <1>[ 39.541421] #PF: error_code(0x0011) - permissions violation <6>[ 39.547933] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1048c7067 PTE 8000000107337063 <4>[ 39.557262] Oops: 0011 [#6] SMP PTI <4>[ 39.561443] CPU: 3 PID: 1637 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 39.570382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.577477] RIP: 0010:0xffffb090823c7e28 <4>[ 39.582142] Code: 00 00 01 00 00 00 00 00 00 00 32 61 64 97 ff ff ff ff 20 00 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 6c 62 64 97 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 53 <4>[ 39.603415] RSP: 0018:ffffb090823c7e08 EFLAGS: 00010246 <4>[ 39.609529] RAX: 0000000000000033 RBX: ffffb090823c7e28 RCX: 0000000000000000 <4>[ 39.617789] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 <4>[ 39.626049] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.634309] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090823c7f10 <4>[ 39.642566] R13: ffffffff992c8f06 R14: ffff8c7a43315000 R15: ffffb090823c7f10 <4>[ 39.650826] FS: 00007f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 39.660152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.666857] CR2: ffffb090823c7e28 CR3: 0000000106540002 CR4: 00000000003706e0 <4>[ 39.675115] Call Trace: <4>[ 39.678136] ? __die_body.cold+0x1a/0x1f <4>[ 39.682804] ? no_context.constprop.0+0x121/0x320 <4>[ 39.688345] ? exc_page_fault+0xcd/0x160 <4>[ 39.693013] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.697966] ? execute_location+0x46/0x57 <4>[ 39.702728] ? lkdtm_EXEC_STACK+0x33/0x51 <4>[ 39.707493] ? direct_entry.cold+0x2c/0x38 <4>[ 39.712356] ? full_proxy_write+0x53/0x80 <4>[ 39.717122] ? vfs_write+0xf0/0x3c0 <4>[ 39.721303] ? ksys_write+0x74/0xf0 <4>[ 39.725485] ? do_syscall_64+0x30/0x40 <4>[ 39.729959] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 st disabled at (0): [] copy_process+0x6e1/0x21<4>[ 39.736085] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.824687] CR2: ffffb090823c7e28 <4>[ 39.828686] ---[ end trace 242e5a7a3af61dcc ]--- <4>[ 39.834130] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.838789] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 39.860059] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 39.866182] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.874441] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 39.882702] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.890952] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 39.899211] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 39.907469] FS: 00007f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 39.916797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.923502] CR2: ffffb090823c7e28 CR3: 0000000106540002 CR4: 00000000003706e0 90 # [ 36.229436] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 36.238861] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.246141] CPU: 1 PID: 1005 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 36.255078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.262172] Call Trace: # [ 36.265189] dump_stack+0x77/0x9b # [ 36.269178] ___might_sleep.cold+0xa6/0xb7 # [ 36.280249] exit_signals+0x1c/0x300 # [ 36.284530] do_exit+0xbd/0xaa0 # [ 36.294536] ? ksys_write+0x74/0xf0 # [ 36.298721] make_task_dead+0x2e/0x30 # [ 36.309308] rewind_stack_and_make_dead+0x17/0x20 # [ 36.314849] RIP: 0033:0x7f6c8875a240 # [ 36.319127] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 36.340394] RSP: 002b:00007ffdcd93ef18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 36.349139] RAX: ffffffffffffffda RBX: 000000000000001<6>[ 40.035583] lkdtm: Performing direct entry EXEC_KMALLOC 9 RCX: 00007f6c8875a240 # [ 36.357389] RDX: 0000000000000019 <6>[ 40.043620] lkdtm: attempting ok execution at ffffffff96f954c0 RSI: 00007f6c8863e000 RDI: 0000000000000001 # [ 36.365646] RB<6>[ 40.056632] lkdtm: attempting bad execution at ffff8c7a45404880 P: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 <2>[ 40.069747] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.084608] BUG: unable to handle page fault for address: ffff8c7a45404880 <1>[ 40.092579] #PF: supervisor instruction fetch in kernel mode <1>[ 40.099189] #PF: error_code(0x0011) - permissions violation # [ 36.373904] R10: 00007f6c8867b4d0 R11: 0000000000000202 R1<6>[ 40.105703] PGD ce01067 P4D ce01067 PUD 10087e063 PMD 107daa063 PTE 8000000105404063 <4>[ 40.120863] Oops: 0011 [#7] SMP PTI <4>[ 40.125045] CPU: 1 PID: 1674 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 40.133976] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.141073] RIP: 0010:0xffff8c7a45404880 <4>[ 40.145740] Code: 00 00 02 00 00 00 00 00 00 00 00 4f 40 45 7a 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3b 1e 50 96 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 53 <4>[ 40.167011] RSP: 0018:ffffb0908243fe48 EFLAGS: 00010246 <4>[ 40.173128] RAX: 0000000000000033 RBX: ffff8c7a45404880 RCX: 0000000000000000 <4>[ 40.181380] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 <4>[ 40.189641] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.197901] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908243ff10 <4>[ 40.206162] R13: ffffffff992c8f11 R14: ffff8c7a4429a000 R15: ffffb0908243ff10 <4>[ 40.214423] FS: 00007f9f27411740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 40.223751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.230458] CR2: ffff8c7a45404880 CR3: 0000000106540005 CR4: 00000000003706e0 <4>[ 40.238717] Call Trace: 2:< 00007f6c8863e000 # [ 36.382163] R13: 0000000000000001 R14:4>[ 40.241737] ? __die_body.cold+0x1a/0x1f <4>[ 40.252626] ? no_context.constprop.0+0x121/0x320 0000000000020000 R15: 0000000000000000 # STACK_GUARD_PAGE_LEAD<4>[ 40.258173] ? exc_page_fault+0xcd/0x160 <4>[ 40.269053] ? asm_exc_page_fault+0x1e/0x30 IN[ 40.274019] ? execute_location+0x46/0x57 <4>[ 40.285002] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 40.289963] ? direct_entry.cold+0x2c/0x38 <4>[ 40.294828] ? full_proxy_write+0x53/0x80 <4>[ 40.299595] ? vfs_write+0xf0/0x3c0 <4>[ 40.303802] ? ksys_write+0x74/0xf0 <4>[ 40.307985] ? do_syscall_64+0x30/0x40 <4>[ 40.312451] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.s<4>[ 40.318577] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.407162] CR2: ffff8c7a45404880 <4>[ 40.411141] ---[ end trace 242e5a7a3af61dcd ]--- <4>[ 40.416586] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.421254] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 40.442529] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 40.448675] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.456937] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 40.465198] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.473457] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 40.481718] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 40.489979] FS: 00007f9f27411740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 40.499308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.506014] CR2: ffff8c7a45404880 CR3: 0000000106540005 CR4: 00000000003706e0 <3>[ 40.514275] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.524477] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat <4>[ 40.533222] INFO: lockdep is turned off. <4>[ 40.537888] irq event stamp: 0 <4>[ 40.541584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.548874] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 40.558292] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 40.567720] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.575010] CPU: 1 PID: 1674 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 40.583952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.591050] Call Trace: <4>[ 40.594071] dump_stack+0x77/0x9b h # Segmentation fault # [ 36.478038] lkdtm: Performing dire<4>[ 40.598061] ___might_sleep.cold+0xa6/0xb7 <4>[ 40.609136] exit_signals+0x1c/0x300 ct entry STACK_GUARD_PAGE_TRAILING # [ 36.491070] lkdtm: atte<4>[ 40.613417] do_exit+0xbd/0xaa0 <4>[ 40.623424] ? ksys_write+0x74/0xf0 <4>[ 40.627626] make_task_dead+0x2e/0x30 mpting bad read from page above current stack # [ 36.504723] <4>[ 40.632006] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.643760] RIP: 0033:0x7f9f2750c240 <4>[ 40.648040] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 40.669313] RSP: 002b:00007ffea6b41958 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 40.678061] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9f2750c240 <4>[ 40.686322] RDX: 000000000000000d RSI: 00007f9f273f0000 RDI: 0000000000000001 <4>[ 40.694574] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 <4>[ 40.702835] R10: 00007f9f2742d4d0 R11: 0000000000000202 R12: 00007f9f273f0000 <4>[ 40.711094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 BUG: stack guard page was hit at 00000000f9c12c55 (stack is 00000000b43143c3..000000002637f4c9) # [ 36.522066] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 36.529161] CPU: 0 PID: 1039 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 36.538091] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.545189] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x25/0x42 # [ 36.552086] Code: e9 9b f2 fb ff 0f 1f 44 00 00 53 48 c7 c7 b8 96 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 c6 44 24 07 00 e8 76 f2 fb ff <8a> 83 00 40 00 00 48 c7 c7 f8 96 2c 99 88 44 24 07 0f b6 74 24 07 # [ 36.573353] RSP: 0018:ffffb09081a57e60 EFLAGS: 00010246 # [ 36.579477] RAX: 0000000000000038 RBX: ffffb09081a54000 RCX: 0000000000000000 # [ 36.587736] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 36.595995] RBP: 000000000000001a R08: 0000000000000000 R09: 0000000000000000 # [ 36.604245] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081a57f10 # [ 36.612502] R13: ffffffff992c8dc3 R14: ffff8c7a44e1b000 R15: ffffb09081a57f10 # [ 36.620762] FS: 00007f6647ff2740(0000) GS:ff<6>[ 40.828616] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 40.837395] lkdtm: attempting ok execution at ffffffff96f954c0 ff8c7abac00000(0000) knlGS:0000000000000000 # [ 36.630089] CS<6>[ 40.844213] lkdtm: attempting bad execution at ffffb09080385000 <2>[ 40.857345] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.636785<1>[ 40.866002] BUG: unable to handle page fault for address: ffffb09080385000 <1>[ 40.880186] #PF: supervisor instruction fetch in kernel mode <1>[ 40.886797] #PF: error_code(0x0011) - permissions violation ] [ 40.893303] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1009ee067 PTE 8000000106460063 <4>[ 40.908851] Oops: 0011 [#8] SMP PTI <4>[ 40.913035] CPU: 2 PID: 1711 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 40.921976] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.929074] RIP: 0010:0xffffb09080385000 6f0 # [ 36.645043] Call Trace: # [ 36.648060] <#DF> # [ <4>[ 40.933745] Code: Unable to access opcode bytes at RIP 0xffffb09080384fd6. <4>[ 40.947924] RSP: 0018:ffffb090824b7e48 EFLAGS: 00010246 <4>[ 40.954050] RAX: 0000000000000033 RBX: ffffb09080385000 RCX: 0000000000000000 <4>[ 40.962308] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 40.970569] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.978829] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090824b7f10 <4>[ 40.987090] R13: ffffffff992c8f1e R14: ffff8c7a46460000 R15: ffffb090824b7f10 <4>[ 40.995352] FS: 00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 41.004687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.011395] CR2: ffffb09080384fd6 CR3: 0000000106440002 CR4: 00000000003706e0 <4>[ 41.019669] Call Trace: <4>[ 41.022712] ? __die_body.cold+0x1a/0x1f <4>[ 41.027381] ? no_context.constprop.0+0x121/0x320 <4>[ 41.032925] ? exc_page_fault+0xcd/0x160 <4>[ 41.037595] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.042558] ? execute_location+0x46/0x57 <4>[ 41.047324] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 41.052283] ? direct_entry.cold+0x2c/0x38 <4>[ 41.057148] ? full_proxy_write+0x53/0x80 <4>[ 41.061916] ? vfs_write+0xf0/0x3c0 <4>[ 41.066100] ? ksys_write+0x74/0xf0 <4>[ 41.070282] ? do_syscall_64+0x30/0x40 <4>[ 41.074755] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 36.650584] ? __die_body.cold+0x1a/0x1f # [ 36.655256] ? d<4>[ 41.080883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.169492] CR2: ffffb09080385000 <4>[ 41.173480] ---[ end trace 242e5a7a3af61dce ]--- <4>[ 41.178926] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.183583] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 41.204857] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 41.210980] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.219240] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 41.227500] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.235759] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 41.244018] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 41.252277] FS: 00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 41.261626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.268332] CR2: ffffb09080384fd6 CR3: 0000000106440002 CR4: 00000000003706e0 ie+0x2a/0x50 # [ 36.658764] ? handle_stack_overflow+0x3d/0x4c # [ 36.664017] ? no_context.constprop.0+0x1e7/0x320 # [ 36.669557] # [ 36.672183] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backli<6>[ 41.368787] lkdtm: Performing direct entry EXEC_RODATA <6>[ 41.375898] lkdtm: attempting ok execution at ffffffff96f954c0 <6>[ 41.382736] lkdtm: attempting bad execution at ffffffff98e41080 <2>[ 41.389696] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ght chromeos_pstore coreboot_table # [ 36.754570] ---[ end tr<1>[ 41.398356] BUG: unable to handle page fault for address: ffffffff98e41080 <1>[ 41.412538] #PF: supervisor instruction fetch in kernel mode <1>[ 41.419149] #PF: error_code(0x0011) - permissions violation <6>[ 41.425662] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000ae000e1 ace 242e5a7a3af61dc9 ]--- # [ 36.760021] RIP: 0010:lkdtm_BUG+<4>[ 41.433150] Oops: 0011 [#9] SMP PTI <4>[ 41.443546] CPU: 3 PID: 1748 Comm: cat Tainted: G D W 5.10.222-cip50 #1 0x5/0x10 # [ 36.764688] Code: ff ff ff eb e0 48 c7 c0 f4 ff f<4>[ 41.452489] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.465800] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 41.471827] Code: ff ff 75 76 64 97 ff ff ff ff 52 91 2c 99 ff ff ff ff 20 5e 64 97 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 cc cc cc cc 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 41.493101] RSP: 0018:ffffb0908256fe58 EFLAGS: 00010246 <4>[ 41.499217] RAX: 0000000000000033 RBX: ffffffff98e41080 RCX: 0000000000000000 <4>[ 41.507469] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 <4>[ 41.515728] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.523986] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908256ff10 <4>[ 41.532245] R13: ffffffff992c8f2b R14: ffff8c7a42bb1000 R15: ffffb0908256ff10 <4>[ 41.540506] FS: 00007fe4c3dac740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 41.549834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.556542] CR2: ffffffff98e41080 CR3: 0000000106558002 CR4: 00000000003706e0 <4>[ 41.564803] Call Trace: <4>[ 41.567823] ? __die_body.cold+0x1a/0x1f <4>[ 41.572494] ? no_context.constprop.0+0x121/0x320 <4>[ 41.578040] ? exc_page_fault+0xcd/0x160 <4>[ 41.582710] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.587683] ? execute_location+0x46/0x57 <4>[ 41.592449] ? direct_entry.cold+0x2c/0x38 <4>[ 41.597305] ? full_proxy_write+0x53/0x80 <4>[ 41.602073] ? vfs_write+0xf0/0x3c0 <4>[ 41.606255] ? ksys_write+0x74/0xf0 <4>[ 41.610439] ? do_syscall_64+0x30/0x40 <4>[ 41.614914] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 f ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc<4>[ 41.621041] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.709653] CR2: ffffffff98e41080 <4>[ 41.713677] ---[ end trace 242e5a7a3af61dcf ]--- <4>[ 41.719124] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.723791] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 41.745066] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 41.751190] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.759441] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 41.767701] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.775962] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 41.784222] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 41.792484] FS: 00007fe4c3dac740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 41.801805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.808513] CR2: ffffffff98e41080 CR3: 0000000106558002 CR4: 00000000003706e0 <3>[ 41.816774] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.826978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1748, name: cat <4>[ 41.835725] INFO: lockdep is turned off. <4>[ 41.840393] irq event stamp: 0 <4>[ 41.844088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.851379] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 41.860806] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 41.870233] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.877526] CPU: 3 PID: 1748 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 41.886458] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.893552] Call Trace: <4>[ 41.896570] dump_stack+0x77/0x9b <4>[ 41.900560] ___might_sleep.cold+0xa6/0xb7 <4>[ 41.905423] exit_signals+0x1c/0x300 <4>[ 41.909703] do_exit+0xbd/0xaa0 <4>[ 41.913490] ? ksys_write+0x74/0xf0 <4>[ 41.917687] make_task_dead+0x2e/0x30 <4>[ 41.922064] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.927596] RIP: 0033:0x7fe4c3ea7240 <4>[ 41.931875] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 41.953151] RSP: 002b:00007ffda9f77808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 41.961898] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe4c3ea7240 <4>[ 41.970157] RDX: 000000000000000c RSI: 00007fe4c3d8b000 RDI: 0000000000000001 <4>[ 41.978417] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 41.986679] R10: 00007fe4c3dc84d0 R11: 0000000000000202 R12: 00007fe4c3d8b000 <4>[ 41.994939] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 36.785955] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 36.792077] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.800336] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 36.808596] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 36.816854] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 36.825112] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 36.833371] FS: 00007f6647ff2740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 36.842696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.849400] CR2: ffffb09081a58000 CR3: 00000001066b2001 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 37.017422] lkdtm: Performing direct entry UNSET_SMEP # [ 37.025202] lkdtm: trying to clear SMEP normally # [ 37.030699] ------------[ cut here ]------------ # [ 37.036178] pinned CR4 bits changed: 0x100000!? # [ 37.047748] WARNI<6>[ 42.121113] lkdtm: Performing direct entry EXEC_USERSPACE NG: CPU: 2 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_<6>[ 42.127683] lkdtm: attempting ok execution at ffffffff96f954c0 write_cr4+0x45/0x60 # [ 37.058274] Modules linked in: fuse ip<6>[ 42.140712] lkdtm: attempting bad execution at 00007f222540e000 _tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core i<2>[ 42.153820] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 42.166732] BUG: unable to handle page fault for address: 00007f222540e000 <1>[ 42.174702] #PF: supervisor instruction fetch in kernel mode <1>[ 42.181311] #PF: error_code(0x0011) - permissions violation ndustrialio_triggered_buffer kfifo_buf industrialio btusb btrtl <6>[ 42.187823] PGD 800000010662d067 P4D 800000010662d067 PUD 10662c067 PMD 103ec0067 PTE 10c224067 <4>[ 42.204050] Oops: 0011 [#10] SMP PTI <4>[ 42.208330] CPU: 1 PID: 1785 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 42.217269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.224364] RIP: 0010:0x7f222540e000 <4>[ 42.228643] Code: Unable to access opcode bytes at RIP 0x7f222540dfd6. <4>[ 42.236223] RSP: 0018:ffffb09082617e60 EFLAGS: 00010246 <4>[ 42.242347] RAX: 0000000000000033 RBX: 00007f222540e000 RCX: 0000000000000000 <4>[ 42.250623] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 <4>[ 42.258882] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.267143] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082617f10 <4>[ 42.275403] R13: ffffffff992c8f37 R14: ffff8c7a42b98000 R15: ffffb09082617f10 <4>[ 42.283674] FS: 00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 42.293004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.299712] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0 <4>[ 42.307964] Call Trace: bt[ 42.310984] ? __die_body.cold+0x1a/0x1f <4>[ 42.321872] ? no_context.constprop.0+0x121/0x320 cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_light<4>[ 42.327419] ? exc_page_fault+0x4e/0x160 <4>[ 42.338299] ? asm_exc_page_fault+0x1e/0x30 bar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc<4>[ 42.343264] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 42.355119] ? direct_entry.cold+0x2c/0x38 <4>[ 42.359976] ? full_proxy_write+0x53/0x80 _bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219<4>[ 42.364744] ? vfs_write+0xf0/0x3c0 <4>[ 42.375139] ? ksys_write+0x74/0xf0 <4>[ 42.379315] ? do_syscall_64+0x30/0x40 <4>[ 42.383790] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x<4>[ 42.389918] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.478499] CR2: 00007f222540e000 <4>[ 42.482480] ---[ end trace 242e5a7a3af61dd0 ]--- <4>[ 42.487926] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.492584] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 42.513860] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 42.519983] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.528245] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 42.536505] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.544768] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev<4>[ 42.553031] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 42.567508] FS: 00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 42.576837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.583544] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0 snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 37.146898] CPU: 2 PID: 1076 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 37.155849] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.169151] RIP: 0010:native_write_cr4+0x45/0x60 # [ 37.174616] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 3d 34 26 03 00 75 f2 48 c7 c7 70 5e 1c 99 c6 05 2d 34 26 03 01 e8 e6 b5 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 37.195903] RSP: 0018:ffffb09081acfe58 EFLAGS: 00010282 # [ 37.208235] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 37.216496] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 37.224757] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 # [ 37.233019] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09081acff10 # [ 37.241281] R13: ffffffff992c8ddd R14: ffff8c7a459c3000 R15: ffffb09081acff10 # [ <6>[ 42.703687] lkdtm: Performing direct entry EXEC_NULL <6>[ 42.715741] lkdtm: attempting ok execution at ffffffff96f954c0 <6>[ 42.722582] lkdtm: attempting bad execution at 0000000000000000 <1>[ 42.729535] BUG: kernel NULL pointer dereference, address: 0000000000000000 37.249543] FS: 00007ff26aa41740(0000) GS:ffff8c7abad00000(0000)<1>[ 42.737612] #PF: supervisor instruction fetch in kernel mode <1>[ 42.750436] #PF: error_code(0x0010) - not-present page <6>[ 42.756456] PGD 0 P4D 0 knlGS:0000000000000000 # [ 37.258872] CS: 0010 DS: 0000 ES:<4>[ 42.759575] Oops: 0010 [#11] SMP PTI <4>[ 42.770067] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.222-cip50 #1 0000 CR0: 0000000080050033 # [ 37.265578] CR2: 00007ff26aa20<4>[ 42.779012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.792325] RIP: 0010:0x0 <4>[ 42.795538] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 42.803507] RSP: 0018:ffffb0908269fe58 EFLAGS: 00010246 <4>[ 42.809625] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.817885] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 42.826145] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.834405] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908269ff10 <4>[ 42.842686] R13: ffffffff992c8f46 R14: ffff8c7a45137000 R15: ffffb0908269ff10 <4>[ 42.850947] FS: 00007f081958e740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 42.860267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.866972] CR2: ffffffffffffffd6 CR3: 00000001062de001 CR4: 00000000003706e0 <4>[ 42.875233] Call Trace: <4>[ 42.878253] ? __die_body.cold+0x1a/0x1f <4>[ 42.882923] ? no_context.constprop.0+0x121/0x320 <4>[ 42.888467] ? exc_page_fault+0x4e/0x160 <4>[ 42.893135] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.898090] execute_location+0x46/0x57 <4>[ 42.902680] direct_entry.cold+0x2c/0x38 <4>[ 42.907350] full_proxy_write+0x53/0x80 <4>[ 42.911922] vfs_write+0xf0/0x3c0 <4>[ 42.915901] ksys_write+0x74/0xf0 <4>[ 42.919889] do_syscall_64+0x30/0x40 <4>[ 42.924169] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 42.930099] RIP: 0033:0x7f0819689240 <4>[ 42.934371] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 42.955635] RSP: 002b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 42.964381] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0819689240 <4>[ 42.972641] RDX: 000000000000000a RSI: 00007f081956d000 RDI: 0000000000000001 <4>[ 42.980899] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 42.989160] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00007f081956d000 <4>[ 42.997421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 000 CR3: 0000000100e76006 CR4: 00000000003706e0 # [ 37.273839<4>[ 43.005685] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.094298] CR2: 0000000000000000 <4>[ 43.098277] ---[ end trace 242e5a7a3af61dd1 ]--- <4>[ 43.103722] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.108388] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 43.129660] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 43.135828] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.144089] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 43.152350] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.160623] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 43.168884] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 43.177143] FS: 00007f081958e740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 43.186470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.193177] CR2: ffffffffffffffd6 CR3: 00000001062de001 CR4: 00000000003706e0 <3>[ 43.201436] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.211637] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1822, name: cat <4>[ 43.220380] INFO: lockdep is turned off. <4>[ 43.225047] irq event stamp: 0 <4>[ 43.228744] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.236034] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 43.245453] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 43.254879] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.262168] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 43.271107] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.278201] Call Trace: <4>[ 43.281219] dump_stack+0x77/0x9b <4>[ 43.285209] ___might_sleep.cold+0xa6/0xb7 <4>[ 43.290073] exit_signals+0x1c/0x300 <4>[ 43.294354] do_exit+0xbd/0xaa0 <4>[ 43.298139] ? ksys_write+0x74/0xf0 <4>[ 43.302323] make_task_dead+0x2e/0x30 <4>[ 43.306702] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.312245] RIP: 0033:0x7f0819689240 <4>[ 43.316524] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 43.337800] RSP: 002b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 43.346546] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0819689240 <4>[ 43.354807] RDX: 000000000000000a RSI: 00007f081956d000 RDI: 0000000000000001 <4>[ 43.363068] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 43.371329] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00007f081956d000 <4>[ 43.379590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ] Call Trace: # [ 37.276863] ? __warn+0x80/0x110 # [ 37.280776] ? native_write_cr4+0x45/0x60 # [ 37.285546] ? report_bug+0x99/0xc0 # [ 37.295946] ? handle_bug+0x41/0x80 # [ 37.306341] ? exc_invalid_op+0x13/0x60 # [ 37.310917] ? asm_exc_invalid_op+0x12/0x20 # [ 37.315883] ? native_write_cr4+0x45/0x60 # [ 37.320677] ? native_write_cr4+0x45/0x60 # [ 37.331651] lkdtm_UNSET_SMEP.cold+0x1f/0x110 # [ 37.336808] direct_entry.cold+0x2c/0x38 # [ 37.341503] full_proxy_write+0x53/0x80 # [ 37.346108] vfs_write+0xf0/0x3c0 # [ 37.350123] ksys_write+0x74/0xf0 # [ 37.354113] do_syscall_64+0x30/0x40 # [ 37.358420] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 37.364351] RIP: 0033:0x7ff26ab3c240 # [ 37.368637] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 37.396127] RSP: 002b:00007ffcc8dc6e88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 37.404909] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff26ab3c240 # [ 37.413175] RDX: 000000000000000b RSI: 00007ff26aa20000 RDI: 0000000000000001 # [ 37.421469] RBP: 000000000000000b R08: 00000000ffff<6>[ 43.507387] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 43.518717] lkdtm: attempting bad read at 00007f237decf000 <1>[ 43.525150] BUG: unable to handle page fault for address: 00007f237decf000 <1>[ 43.533126] #PF: supervisor read access in kernel mode <1>[ 43.539156] #PF: error_code(0x0001) - permissions violation ff[ 43.545669] PGD 80000001071f5067 P4D 80000001071f5067 PUD 1032f1067 PMD 106735067 PTE 10c0e0067 <4>[ 43.561898] Oops: 0001 [#12] SMP PTI <4>[ 43.566180] CPU: 3 PID: 1858 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 43.575121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.582220] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1 <4>[ 43.588734] Code: 00 00 00 75 62 48 83 c4 10 5b c3 cc cc cc cc 48 89 de 48 c7 c7 70 9e 2c 99 e8 db eb fb ff 48 c7 c7 98 9e 2c 99 b8 de c0 de c0 <48> 03 03 48 89 04 24 e8 c3 eb fb ff 48 89 de 48 c7 c7 c0 9e 2c 99 <4>[ 43.609999] RSP: 0018:ffffb09082717e58 EFLAGS: 00010246 <4>[ 43.616124] RAX: 00000000c0dec0de RBX: 00007f237decf000 RCX: 0000000000000000 <4>[ 43.624386] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9e98 <4>[ 43.632649] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.640910] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082717f10 <4>[ 43.649171] R13: ffffffff992c8f50 R14: ffff8c7a4670a000 R15: ffffb09082717f10 <4>[ 43.657433] FS: 00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 43.666762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.673469] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 00000000003706e0 <4>[ 43.681728] Call Trace: <4>[ 43.684747] ? __die_body.cold+0x1a/0x1f <4>[ 43.689418] ? no_context.constprop.0+0x121/0x320 <4>[ 43.694961] ? exc_page_fault+0x4e/0x160 <4>[ 43.699630] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.704591] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1 <4>[ 43.710424] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa1 <4>[ 43.716258] direct_entry.cold+0x2c/0x38 <4>[ 43.720920] full_proxy_write+0x53/0x80 <4>[ 43.725491] vfs_write+0xf0/0x3c0 <4>[ 43.729478] ksys_write+0x74/0xf0 <4>[ 43.733467] do_syscall_64+0x30/0x40 <4>[ 43.737748] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 43.743678] RIP: 0033:0x7f237dde3240 <4>[ 43.747949] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 43.769222] RSP: 002b:00007ffd72741558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 43.777969] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f237dde3240 <4>[ 43.786230] RDX: 0000000000000011 RSI: 00007f237dcc7000 RDI: 0000000000000001 <4>[ 43.794488] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 43.802749] R10: 00007f237dd044d0 R11: 0000000000000202 R12: 00007f237dcc7000 <4>[ 43.811009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 d0 R11: 0000000000000202 R12: 00007ff26aa20000 # [ 37.437995]<4>[ 43.819271] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.907888] CR2: 00007f237decf000 <4>[ 43.911877] ---[ end trace 242e5a7a3af61dd2 ]--- <4>[ 43.917314] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.921974] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 43.943238] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 43.949362] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.957625] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 43.965886] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.974147] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 43.982407] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 43.990680] FS: 00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 44.000010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.006717] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 00000000003706e0 R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 37.446279] irq event stamp: 0 # [ 37.449988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.463488] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 37.472915] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 37.482343] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.489635] ---[ end trace 242e5a7a3af61dca ]--- # [ 37.495081] lkdtm: ok: SMEP did not get cleared # [ 37.500430] lkdtm: trying to clear SMEP with call gadget # [ 37.506673] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 37.603776] lkdtm: Performing direct entry DOUBLE_FAULT # [ 37.611537] 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 # [ 37.740672] lkdtm: Performing direct entry CORRUPT_PAC # [ 37.747408] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: COR<6>[ 44.128043] lkdtm: Performing direct entry ACCESS_NULL <6>[ 44.139142] lkdtm: attempting bad read at 0000000000000000 <1>[ 44.145616] BUG: kernel NULL pointer dereference, address: 0000000000000000 RUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRI<1>[ 44.153693] #PF: supervisor read access in kernel mode <1>[ 44.165936] #PF: error_code(0x0000) - not-present page <6>[ 44.171966] PGD 0 P4D 0 TE.sh # [ 37.842214] lkdtm: Performing direct entry UNALIGNED<4>[ 44.175085] Oops: 0000 [#13] SMP PTI <4>[ 44.185579] CPU: 3 PID: 1894 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 44.194521] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.201627] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.207161] Code: 81 eb fb ff be 00 10 00 00 48 89 df e8 db 73 0c ff e9 6b ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 9e 2c 99 e8 5b eb fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 9e 2c 99 48 01 <4>[ 44.228439] RSP: 0018:ffffb09082787e68 EFLAGS: 00010246 <4>[ 44.234564] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 44.242826] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 <4>[ 44.251089] RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.259349] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082787f10 <4>[ 44.267624] R13: ffffffff992c8f61 R14: ffff8c7a43ede000 R15: ffffb09082787f10 <4>[ 44.275887] FS: 00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 44.285216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.291925] CR2: 0000000000000000 CR3: 00000001061fe001 CR4: 00000000003706e0 <4>[ 44.300188] Call Trace: <4>[ 44.303207] ? __die_body.cold+0x1a/0x1f <4>[ 44.307877] ? no_context.constprop.0+0x121/0x320 <4>[ 44.313423] ? exc_page_fault+0x4e/0x160 <4>[ 44.318094] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.323058] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.327919] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.332783] direct_entry.cold+0x2c/0x38 <4>[ 44.337455] full_proxy_write+0x53/0x80 <4>[ 44.342028] vfs_write+0xf0/0x3c0 <4>[ 44.346007] ksys_write+0x74/0xf0 <4>[ 44.349997] do_syscall_64+0x30/0x40 <4>[ 44.354276] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 44.360200] RIP: 0033:0x7fc1f7901240 <4>[ 44.364471] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 44.385750] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.394488] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240 <4>[ 44.402749] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001 <4>[ 44.411011] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.419272] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000 <4>[ 44.427533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 _LOAD_STORE_WRITE # [ 37.853688] lkdtm: XFAIL: arch has CONFI<4>[ 44.435797] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.524422] CR2: 0000000000000000 <4>[ 44.528412] ---[ end trace 242e5a7a3af61dd3 ]--- <4>[ 44.533849] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.538519] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 44.559795] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 44.565919] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.574180] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 44.582440] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.590700] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 44.598962] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 44.607222] FS: 00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 44.616551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.623257] CR2: 0000000000000000 CR3: 00000001061fe001 CR4: 00000000003706e0 <3>[ 44.631520] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.641723] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1894, name: cat <4>[ 44.650469] INFO: lockdep is turned off. <4>[ 44.655135] irq event stamp: 0 <4>[ 44.658831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.666123] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 44.675551] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 44.684980] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.692263] CPU: 3 PID: 1894 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 44.701204] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.708300] Call Trace: <4>[ 44.711318] dump_stack+0x77/0x9b <4>[ 44.715300] ___might_sleep.cold+0xa6/0xb7 <4>[ 44.720166] exit_signals+0x1c/0x300 <4>[ 44.724445] do_exit+0xbd/0xaa0 <4>[ 44.728241] ? ksys_write+0x74/0xf0 <4>[ 44.732426] make_task_dead+0x2e/0x30 <4>[ 44.736803] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.742345] RIP: 0033:0x7fc1f7901240 <4>[ 44.746626] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 44.767903] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.776651] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240 <4>[ 44.784913] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001 <4>[ 44.793175] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.801437] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000 <4>[ 44.809699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 G_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 38.017312] lkdtm: Performing direct entry READ_AFTER_FREE # [ 38.029688] lkdtm: Value in memory before free: 12345678 # [ 38.042142] lkdtm: Attempting bad read from freed memory # [ 38.054561] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 38.184415] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 38.196933] lkdtm: Value in memory before free: 12345678 # [ 38.203189] lkdtm: Attempting to read from freed memory # [ 38.209348] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing '<6>[ 44.942814] lkdtm: Performing direct entry WRITE_RO <6>[ 44.954259] lkdtm: attempting bad rodata write at ffffffff98e41070 <1>[ 44.961483] BUG: unable to handle page fault for address: ffffffff98e41070 call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFT<1>[ 44.969463] #PF: supervisor write access in kernel mode <1>[ 44.981800] #PF: error_code(0x0003) - permissions violation <6>[ 44.988314] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000ae000e1 ER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # <4>[ 44.995803] Oops: 0003 [#14] SMP PTI <4>[ 45.006295] CPU: 3 PID: 1930 Comm: cat Tainted: G D W 5.10.222-cip50 #1 [ 38.295699] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <4>[ 45.015239] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # <[ 38.308165] lkdtm: Attempting double slab free ... # SLAB_4>[ 45.028550] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 45.040019] Code: 00 48 c7 c7 50 9d 2c 99 48 c7 c6 70 10 e4 98 e8 0e ee fb ff 48 8b 05 0e af 7f 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05 f8 ae 7f 01 e9 ec ed fb ff 0f 1f 44 00 00 48 8b 05 c7 a1 <4>[ 45.061294] RSP: 0018:ffffb0908281fe70 EFLAGS: 00010202 <4>[ 45.067419] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 45.075680] RDX: 00000000abcd1234 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9d80 <4>[ 45.083941] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.092203] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908281ff10 <4>[ 45.100463] R13: ffffffff992c8f6d R14: ffff8c7a40edd000 R15: ffffb0908281ff10 <4>[ 45.108725] FS: 00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 45.118055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.124761] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0 <4>[ 45.133023] Call Trace: <4>[ 45.136044] ? __die_body.cold+0x1a/0x1f <4>[ 45.140713] ? no_context.constprop.0+0x121/0x320 <4>[ 45.146250] ? exc_page_fault+0xcd/0x160 <4>[ 45.150920] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.155883] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 45.160455] direct_entry.cold+0x2c/0x38 <4>[ 45.165116] full_proxy_write+0x53/0x80 <4>[ 45.169688] vfs_write+0xf0/0x3c0 <4>[ 45.173680] ksys_write+0x74/0xf0 <4>[ 45.177685] do_syscall_64+0x30/0x40 <4>[ 45.181966] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.187897] RIP: 0033:0x7ff1a7c3c240 <4>[ 45.192176] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 45.213452] RSP: 002b:00007ffd8bfcf9e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.222202] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff1a7c3c240 <4>[ 45.230463] RDX: 0000000000000009 RSI: 00007ff1a7b20000 RDI: 0000000000000001 <4>[ 45.238724] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.246986] R10: 00007ff1a7b5d4d0 R11: 0000000000000202 R12: 00007ff1a7b20000 <4>[ 45.255249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests:<4>[ 45.263513] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.352138] CR2: ffffffff98e41070 <4>[ 45.356127] ---[ end trace 242e5a7a3af61dd4 ]--- <4>[ 45.361573] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.366233] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 45.387511] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 45.393636] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.401897] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 45.410160] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.418420] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 45.426681] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 45.434945] FS: 00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 45.444276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.450983] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0 lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 38.406790] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 38.413456] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 38.534540] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 38.543984] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 38.747215] lkdtm: Performing direct entry EXEC_DATA # [ 38.754623] lkdtm: attempting ok execution at ffffffff96f954c0 # [ 38.767698] lkdtm: attempting bad execution at ffffffff9ac02e80 # [ 38.780787] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.795623] BUG: unable to handle page fault for address: ffffffff9ac02e80 # [ 38.803592] #PF: supervisor instruction fetch in kernel mode # [ 38.810190] #PF: error_code(0x0011) - permissions violation # [ 38.816702] PGD b429067 P4D b429067 PUD b42a063 PMD<6>[ 45.619730] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 45.627801] lkdtm: attempting bad ro_after_init write at ffffffff99350350 800000000cc000e3 # [ 38.824194] Oops: 0011 [#5] SMP PTI # <1>[ 45.635736] BUG: unable to handle page fault for address: ffffffff99350350 [ < 38.828366] CPU: 0 PID: 1599 Comm: cat Tainted: G D W 1>[ 45.649902] #PF: supervisor write access in kernel mode <1>[ 45.662235] #PF: error_code(0x0003) - permissions violation < 5.10.222-cip50 #1 # [ 38.837304] Hardware name: Google 6>[ 45.668739] PGD b429067 P4D b429067 PUD b42a063 PMD 1061db063 PTE 800000000b350061 <4>[ 45.683708] Oops: 0003 [#15] SMP PTI <4>[ 45.687989] CPU: 2 PID: 1966 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 45.696920] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.704018] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 45.710336] Code: 9d 2c 99 e9 c0 ed fb ff 48 c7 c7 d8 9d 2c 99 e8 b4 ed fb ff 48 8b 05 94 a1 d0 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05 7e a1 d0 01 e9 92 ed fb ff 0f 1f 44 00 00 55 48 c7 c5 db <4>[ 45.731623] RSP: 0018:ffffb090828afe70 EFLAGS: 00010202 <4>[ 45.737748] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 45.746008] RDX: 00000000abcd1234 RSI: ffff8c7abad1bf50 RDI: ffffffff992c9d80 <4>[ 45.754269] RBP: 0000000000000014 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.762529] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090828aff10 <4>[ 45.770791] R13: ffffffff992c8f76 R14: ffff8c7a47aa5000 R15: ffffb090828aff10 <4>[ 45.779053] FS: 00007f5703174740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 45.788380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.795086] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4: 00000000003706e0 <4>[ 45.803347] Call Trace: <4>[ 45.806365] ? __die_body.cold+0x1a/0x1f <4>[ 45.811035] ? no_context.constprop.0+0x121/0x320 <4>[ 45.816580] ? exc_page_fault+0xcd/0x160 <4>[ 45.821249] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.826211] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 45.831853] direct_entry.cold+0x2c/0x38 <4>[ 45.836523] full_proxy_write+0x53/0x80 <4>[ 45.841096] vfs_write+0xf0/0x3c0 <4>[ 45.845084] ksys_write+0x74/0xf0 <4>[ 45.849073] do_syscall_64+0x30/0x40 <4>[ 45.853352] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.859282] RIP: 0033:0x7f570326f240 <4>[ 45.863561] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 45.884833] RSP: 002b:00007ffd9c5e2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.893571] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f570326f240 <4>[ 45.901831] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 0000000000000001 <4>[ 45.910089] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.918348] R10: 00007f57031904d0 R11: 0000000000000202 R12: 00007f5703153000 <4>[ 45.926622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 Rammus/Rammus, BIOS 09/04/2020 # [ 38.844400] RIP: 0010:data<4>[ 45.934887] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.023489] CR2: ffffffff99350350 <4>[ 46.027478] ---[ end trace 242e5a7a3af61dd5 ]--- <4>[ 46.032923] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.037590] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 46.058866] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 46.064982] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.073243] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 46.081496] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.089756] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 46.098017] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 46.106279] FS: 00007f5703174740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 46.115626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.122324] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4: 00000000003706e0 <3>[ 46.130585] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.140789] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1966, name: cat <4>[ 46.149536] INFO: lockdep is turned off. <4>[ 46.154203] irq event stamp: 0 <4>[ 46.157899] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.165189] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 46.174624] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 46.184051] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.191341] CPU: 2 PID: 1966 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 46.200280] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.207375] Call Trace: <4>[ 46.210393] dump_stack+0x77/0x9b <4>[ 46.214383] ___might_sleep.cold+0xa6/0xb7 <4>[ 46.219247] exit_signals+0x1c/0x300 <4>[ 46.223527] do_exit+0xbd/0xaa0 <4>[ 46.227322] ? ksys_write+0x74/0xf0 <4>[ 46.231507] make_task_dead+0x2e/0x30 <4>[ 46.235883] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.241425] RIP: 0033:0x7f570326f240 <4>[ 46.245705] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 46.266979] RSP: 002b:00007ffd9c5e2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.275727] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f570326f240 <4>[ 46.283986] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 0000000000000001 <4>[ 46.292245] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.300507] R10: 00007f57031904d0 R11: 0000000000000202 R12: 00007f5703153000 <4>[ 46.308767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 _area+0x0/0x40 # [ 38.849072] Code: ff ff 00 d4 22 45 7a 8c ff ff 00 d3 22 45 7a 8c 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 53 # [ 38.870333] RSP: 0018:ffffb09082357e58 EFLAGS: 00010246 # [ 38.876455] RAX: 0000000000000033 RBX: ffffffff9ac02e80 RCX: 0000000000000000 # [ 38.884712] RDX: 0000000000000000 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 38.892969] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 # [ 38.901228] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082357f10 # [ 38.909486] R13: ffffffff992c8efc R14: ffff8c7a486d1000 R15: ffffb09082357f10 # [ 38.917744] FS: 00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 38.927072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.933777] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0 # [ 38.942035] Call Trace: # [ 38.945054] ? __die_body.cold+0x1a/0x1f # [ 38.949729] ? no_context.constprop.0+0x121/0x320 # [ 38.955279] ? exc_page_fault+0xcd/0x160 # [ 38.959945] ? asm_exc_page_fault+0x1e/0x30 # [ 38.964907] ? execute_location+0x46/0x57 # [ 38.969679] ? direct_entry.cold+0x2c/0x38 # [ 38.974544] ? full_proxy_write+0x53/0x80 # [ 38.979309] ? vfs_write+0xf0/0x3c0 # [ 38.983483] ? ksys_write+0x74/0xf0 # [ 38.987674] ? do_syscall_64+0x30/0x40 # [ 38.992147] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 38.998275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device in<6>[ 46.504814] lkdtm: Performing direct entry WRITE_KERN tel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm s<6>[ 46.515703] lkdtm: attempting bad 7015451 byte write at ffffffff976460db nd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videob<1>[ 46.529706] BUG: unable to handle page fault for address: ffffffff976460db <1>[ 46.543886] #PF: supervisor write access in kernel mode <1>[ 46.550013] #PF: error_code(0x0003) - permissions violation <6>[ 46.556527] PGD b429067 P4D b429067 PUD b42a063 PMD 96000e1 uf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dm<4>[ 46.563141] Oops: 0003 [#16] SMP PTI <4>[ 46.573635] CPU: 1 PID: 2002 Comm: cat Tainted: G D W 5.10.222-cip50 #1 aengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_ther<4>[ 46.582578] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.595894] RIP: 0010:lkdtm_WRITE_KERN+0x37/0x4c mal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinc<4>[ 46.601341] Code: 48 c7 c7 10 9e 2c 99 53 48 89 eb 48 89 ea 48 81 eb c0 54 f9 96 48 89 de e8 68 ed fb ff 48 89 ef 48 89 d9 48 c7 c6 c0 54 f9 96 a4 48 c7 c7 80 9d 2c 99 e8 4d ed fb ff 5b 5d e9 b8 fe ff ff 0f <4>[ 46.628833] RSP: 0018:ffffb0908295fe60 EFLAGS: 00010246 <4>[ 46.634956] RAX: 000000000000003c RBX: 00000000006b0c1b RCX: 00000000006b0c1b <4>[ 46.643217] RDX: 0000000000000000 RSI: ffffffff96f954c0 RDI: ffffffff976460db <4>[ 46.651477] RBP: ffffffff976460db R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.659737] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908295ff10 <4>[ 46.667999] R13: ffffffff992c8f8a R14: ffff8c7a48616000 R15: ffffb0908295ff10 <4>[ 46.676260] FS: 00007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 46.685590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.692297] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0 <4>[ 46.700558] Call Trace: <4>[ 46.703579] ? __die_body.cold+0x1a/0x1f trl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot<4>[ 46.708250] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.720201] ? no_context.constprop.0+0x121/0x320 _table # [ 39.080674] CR2: ffffffff9ac02e80 # [ 39.084682]<4>[ 46.725745] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.737692] ? exc_page_fault+0xcd/0x160 <4>[ 46.742354] ? asm_exc_page_fault+0x1e/0x30 ---[ end trace 242e5a7a3af61dcb ]--- # [ 39.090128] RIP: 001<4>[ 46.747316] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.759267] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 0:lkdtm_BUG+0x5/0x10 # [ 39.094796] Code: ff ff ff eb e0 48 c<4>[ 46.764423] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.776375] ? lkdtm_WRITE_KERN+0x37/0x4c <4>[ 46.781134] direct_entry.cold+0x2c/0x38 <4>[ 46.785806] full_proxy_write+0x53/0x80 7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc<4>[ 46.790380] vfs_write+0xf0/0x3c0 <4>[ 46.800580] ksys_write+0x74/0xf0 <4>[ 46.804569] do_syscall_64+0x30/0x40 <4>[ 46.808851] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 46.814784] RIP: 0033:0x7f65ffc16240 <4>[ 46.819055] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 46.840334] RSP: 002b:00007ffef04d4268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.849082] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f65ffc16240 <4>[ 46.857345] RDX: 000000000000000b RSI: 00007f65ffafa000 RDI: 0000000000000001 <4>[ 46.865617] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.873884] R10: 00007f65ffb374d0 R11: 0000000000000202 R12: 00007f65ffafa000 <4>[ 46.882146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0<4>[ 46.890403] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.979005] CR2: ffffffff976460db <4>[ 46.982995] ---[ end trace 242e5a7a3af61dd6 ]--- <4>[ 46.988434] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.993104] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 <4>[ 47.014382] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 <4>[ 47.020500] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.028764] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 <4>[ 47.037018] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.045281] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 <4>[ 47.053543] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 <4>[ 47.061806] FS: 00007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 47.071128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.077835] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0 0 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 39.116058] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 39.122180] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.130439] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 39.138697] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 39.146955] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 39.155212] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 39.163470] FS: 00007f1a574ed740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 39.172796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.179501] CR2: ffffffff9ac02e80 CR3: 0000000103d7e004 CR4: 00000000003706f0 # [ 39.187760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.197960] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1599, name: cat # [ 39.206702] INFO: lockdep is turned off. # [ 39.211368] irq event stamp: 0 # [ 39.215064] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.222353] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 39.231768] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 39.241193] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.248472] CPU: 0 PID: 1599 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 39.257401] Hardware name: Google Rammus/Rammu<6>[ 47.231433] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 47.242277] lkdtm: attempting good refcount_inc() without overflow s, BIOS 09/04/2020 # [ 39.264494] Call Trace: # [ 39.2675<6>[ 47.249508] lkdtm: attempting bad refcount_inc() overflow <4>[ 47.262034] ------------[ cut here ]------------ <4>[ 47.267487] refcount_t: saturated; leaking memory. <4>[ 47.273157] WARNING: CPU: 2 PID: 2038 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 13] dump_stack+0x77/0x9b # [ 39.271507] ___might_sleep.cold<4>[ 47.282886] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.371463] CPU: 2 PID: 2038 Comm: cat Tainted: G D W 5.10.222-cip50 #1 +0xa6/0xb7 # [ 39.276361] exit_signals+0x1c/0x300 # [ 39.<4>[ 47.380442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 280646] do_exit+0xbd/0xaa0 # [ 39.284463] ? ksys_write+0x74<4>[ 47.393758] RIP: 0010:refcount_warn_saturate+0x51/0x110 /0xf0 # [ 39.288645] make_task_dead+0x2e/0x30 # [ 39.2930<4>[ 47.406101] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 <4>[ 47.433617] RSP: 0018:ffffb090829f7e58 EFLAGS: 00010282 20] rewind_stack_and_make_dead+0x17/0x20 # [ 39.298560] RIP:<4>[ 47.439748] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 47.454222] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 47.462493] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.470790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090829f7f10 <4>[ 47.479079] R13: ffffffff992c8f95 R14: ffff8c7a47b0e000 R15: ffffb090829f7f10 <4>[ 47.487346] FS: 00007f63cbb08740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 47.496681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.503392] CR2: 00007f63cbae7000 CR3: 00000001032f2003 CR4: 00000000003706e0 <4>[ 47.511676] Call Trace: <4>[ 47.514719] ? __warn+0x80/0x110 0033:0x7f1a575e8240 # [ 39.302838] Code: 40 00 48 8b 15 c1 9<4>[ 47.518624] ? refcount_warn_saturate+0x51/0x110 <4>[ 47.530285] ? report_bug+0x99/0xc0 <4>[ 47.534505] ? handle_bug+0x41/0x80 <4>[ 47.538722] ? exc_invalid_op+0x13/0x60 <4>[ 47.543299] ? asm_exc_invalid_op+0x12/0x20 <4>[ 47.548315] ? refcount_warn_saturate+0x51/0x110 b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d<4>[ 47.553776] ? refcount_warn_saturate+0x51/0x110 <4>[ 47.565434] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 47.571078] direct_entry.cold+0x2c/0x38 <4>[ 47.575783] full_proxy_write+0x53/0x80 <4>[ 47.580392] vfs_write+0xf0/0x3c0 <4>[ 47.584415] ksys_write+0x74/0xf0 <4>[ 47.588432] do_syscall_64+0x30/0x40 <4>[ 47.592747] entry_SYSCALL_64_after_hwframe+0x67/0xd1 a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7<4>[ 47.598685] RIP: 0033:0x7f63cbc03240 7 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 39.324107]<4>[ 47.609185] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 47.636686] RSP: 002b:00007ffcaf8cf138 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.645470] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f63cbc03240 <4>[ 47.653737] RDX: 0000000000000016 RSI: 00007f63cbae7000 RDI: 0000000000000001 <4>[ 47.662004] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.670272] R10: 00007f63cbb244d0 R11: 0000000000000202 R12: 00007f63cbae7000 RSP: 002b:00007ffda534d2d8 EFLAGS: 00000202 ORIG_RAX: 000000000<4>[ 47.678539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 47.693027] irq event stamp: 0 0000001 # [ 39.332842] RAX: ffffffffffffffda RBX: 00000000000<4>[ 47.696746] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.710252] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 47.719716] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 47.729147] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.736441] ---[ end trace 242e5a7a3af61dd7 ]--- <6>[ 47.741890] lkdtm: Overflow detected: saturated 0000a RCX: 00007f1a575e8240 # [ 39.341101] RDX: 000000000000000a RSI: 00007f1a574cc000 RDI: 0000000000000001 # [ 39.349360] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 39.357623] R10: 00007f1a575094d0 R11: 0000000000000202 R12: 00007f1a574cc000 # [ 39.365882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 39.488070] lkdtm: Performing direct entry EXEC_STACK # [ 39.498235] lkdtm: attempting ok execution at ffffffff96f954c0 # [ 39.505081] lkdtm: attempting bad execution at ffffb090823c7e28 # [ 39.518190] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.526845] BUG: unable to handle page fault for address: ffffb090823c7e28 # [ 39.534813] #PF: supervisor instruction fetch in kernel mode # [ 39.541421] #PF: error_code(0x0011) - permissions violation # [ 39.547933] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1048c7067 PTE 8000000107337063 # [ 39.557262] Oops: 0011 [#6] SMP PTI # [ 39.561443] CPU: 3 PID: 1637 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 39.570382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.577477] RIP: 0010:0xffffb090823c7e28 # [ 39.582142] Code: 00 00 01 00 00 00 00 00 00 00 32 61 64 97 ff ff ff ff<6>[ 47.881239] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 20 00 00 00 00 00 00 00 0b 00 00 00 00 00 00 00 6c 62 64 97 ff <6>[ 47.891272] lkdtm: attempting good refcount_add() without overflow ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f<6>[ 47.904710] lkdtm: attempting bad refcount_add() overflow 44 00 00 53 # [ 39.603415] RSP: 0018:ffffb090823c7e08 EFLAGS<4>[ 47.917253] ------------[ cut here ]------------ : 00010246 # [ 39.609529] RAX: 0000000000000033 RBX: ffffb090<4>[ 47.928896] refcount_t: saturated; leaking memory. 823c7e28 RCX: 0000000000000000 # [ 39.617789] RDX: 0000000000<4>[ 47.940771] WARNING: CPU: 0 PID: 2071 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 # [ 39.626<4>[ 47.956698] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table 049] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000<4>[ 48.045304] CPU: 0 PID: 2071 Comm: cat Tainted: G D W 5.10.222-cip50 #1 000000 # [ 39.634309] R10: 00000000ffffdfff R11: ffffffff9948<4>[ 48.060537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffc0 R12: ffffb090823c7f10 # [ 39.642566] R13: ffffffff992c8f<4>[ 48.073783] RIP: 0010:refcount_warn_saturate+0x51/0x110 06 R14: ffff8c7a43315000 R15: ffffb090823c7f10 # [ 39.650826]<4>[ 48.086149] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 FS: 00007f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:000<4>[ 48.113670] RSP: 0018:ffffb09082a4fe58 EFLAGS: 00010282 0000000000000 # [ 39.660152] CS: 0010 DS: 0000 ES: 0000 CR0:<4>[ 48.126042] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 0000000080050033 # [ 39.666857] CR2: ffffb090823c7e28 CR3: 0<4>[ 48.140483] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 000000106540002 CR4: 00000000003706e0 # [ 39.675115] Call Tra<4>[ 48.154977] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 ce: # [ 39.678136] ? __die_body.cold+0x1a/0x1f # [ 39.682<4>[ 48.169453] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082a4ff10 804] ? no_context.constprop.0+0x121/0x320 # [ 39.688345] ? <4>[ 48.183946] R13: ffffffff992c8fab R14: ffff8c7a42afe000 R15: ffffb09082a4ff10 exc_page_fault+0xcd/0x160 # [ 39.693013] ? asm_exc_page_faul<4>[ 48.198417] FS: 00007f043e4c0740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 t+0x1e/0x30 # [ 39.697966] ? execute_location+0x46/0x57 # [<4>[ 48.213993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 39.702728] ? lkdtm_EXEC_STACK+0x33/0x51 # [ 39.707493] ?<4>[ 48.226906] CR2: 00007f043e49f000 CR3: 000000010732e002 CR4: 00000000003706f0 direct_entry.cold+0x2c/0x38 # [ 39.712356] ? full_proxy_wri<4>[ 48.241408] Call Trace: te+0x53/0x80 # [ 39.717122] ? vfs_write+0xf0/0x3c0 # [ 39<4>[ 48.250645] ? __warn+0x80/0x110 .721303] ? ksys_write+0x74/0xf0 # [ 39.725485] ? do_syscall<4>[ 48.260776] ? refcount_warn_saturate+0x51/0x110 _64+0x30/0x40 # [ 39.729959] ? entry_SYSCALL_64_after_hwfram<4>[ 48.272414] ? report_bug+0x99/0xc0 e+0x67/0xd1 # [ 39.736085] Modules linked in: fuse ip_tables <4>[ 48.282833] ? handle_bug+0x41/0x80 cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industria<4>[ 48.293224] ? exc_invalid_op+0x13/0x60 lio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm bt<4>[ 48.304036] ? asm_exc_invalid_op+0x12/0x20 intel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usb<4>[ 48.315203] ? refcount_warn_saturate+0x51/0x110 pd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi<4>[ 48.326888] ? refcount_warn_saturate+0x51/0x110 bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt vid<4>[ 48.338539] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 eobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 process<4>[ 48.350451] direct_entry.cold+0x2c/0x38 or_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_t<4>[ 48.361298] full_proxy_write+0x53/0x80 emp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc<4>[ 48.372098] vfs_write+0xf0/0x3c0 _core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc<4>[ 48.382291] ksys_write+0x74/0xf0 _dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_<4>[ 48.392510] do_syscall_64+0x30/0x40 thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal a<4>[ 48.403009] entry_SYSCALL_64_after_hwframe+0x67/0xd1 cpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chro<4>[ 48.415157] RIP: 0033:0x7f043e5bb240 meos_pstore coreboot_table # [ 39.824687] CR2: ffffb090823c7e<4>[ 48.425684] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 28 # [ 39.828686] ---[ end trace 242e5a7a3af61dcc ]--- # [ <4>[ 48.453181] RSP: 002b:00007ffcc8558f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 39.834130] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.838789] Code:<4>[ 48.468161] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f043e5bb240 ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff <4>[ 48.482637] RDX: 0000000000000016 RSI: 00007f043e49f000 RDI: 0000000000000001 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <<4>[ 48.497145] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 <4>[ 48.511623] R10: 00007f043e4dc4d0 R11: 0000000000000202 R12: 00007f043e49f000 03 # [ 39.860059] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286<4>[ 48.526106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 39.866182] RAX: ffffffff96f95100 RBX: 0000000000000001 R<4>[ 48.540585] irq event stamp: 0 CX: 0000000000000000 # [ 39.874441] RDX: 0000000000000000 RSI<4>[ 48.550497] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 39.882702] RBP: <4>[ 48.564015] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # <4>[ 48.579642] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 [ 39.890952] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: <4>[ 48.595317] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffb0908147ff10 # [ 39.899211] R13: ffffffff9932fce0 R14: ff<4>[ 48.608845] ---[ end trace 242e5a7a3af61dd8 ]--- ff8c7a4628c000 R15: ffffb0908147ff10 # [ 39.907469] FS: 0000<6>[ 48.620516] lkdtm: Overflow detected: saturated 7f431608b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 39.916797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.923502] CR2: ffffb090823c7e28 CR3: 0000000106540002 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 40.035583] lkdtm: Performing direct entry EXEC_KMALLOC # [ 40.043620] lkdtm: attempting ok execution at ffffffff96f954c0 # [ 40.056632] lkdtm: attempting bad execution at ffff8c7a45404880 # [ 40.069747] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.084608] BUG: unable to handle page fault for address: ffff8c7a45404880 # [ 40.092579] #PF: supervisor instruction fetch in kernel mode # [ 40.099189] #PF: error_code(0x0011) - permissions violation # [ 40.105703] PGD ce01067 P4D ce01067 PUD 10087e063 PMD 107daa063 PTE 8000000105404063 # [ 40.120863] Oops: 0011 [#7] SMP PTI # [ 40.125045] CPU: 1 PID: 1674 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 40.133976] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.141073] RIP: 0010:0xffff8c7a45404880 # [ 40.145740] Code: 00 00 02 00 00 00 00 00 00 00 00 4f 40 45 7a 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3b 1e 50 96 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 53 # [ 40.167011] RSP: 0018:ffffb0908243fe48 EFLAGS: 00010246 # [ 40.173128] RAX: 0000000000000033 RBX: ffff8c7a45404880 RCX: 0000000000000000 # [ 40.181380] RDX: 0000000000000000 RSI: ff<6>[ 48.783887] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ff8c7abac9bf50 RDI: ffff8c7abac9bf50 # [ 40.189641] RBP: 0000<6>[ 48.795539] lkdtm: attempting bad refcount_inc_not_zero() overflow 000000000001 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 48.808983] ------------[ cut here ]------------ 40.197901] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffff<4>[ 48.820663] refcount_t: saturated; leaking memory. b0908243ff10 # [ 40.206162] R13: ffffffff992c8f11 R14: ffff8c<4>[ 48.832516] WARNING: CPU: 0 PID: 2104 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 7a4429a000 R15: ffffb0908243ff10 # [ 40.214423] FS: 00007f9f<4>[ 48.848490] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table 27411740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 <4>[ 48.937049] CPU: 0 PID: 2104 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 40.223751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 48.952258] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 033 # [ 40.230458] CR2: ffff8c7a45404880 CR3: 000000010654000<4>[ 48.965557] RIP: 0010:refcount_warn_saturate+0x74/0x110 5 CR4: 00000000003706e0 # [ 40.238717] Call Trace: # [ 40.<4>[ 48.977893] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 241737] ? __die_body.cold+0x1a/0x1f # [ 40.252626] ? no_con<4>[ 49.005363] RSP: 0018:ffffb09082abfe48 EFLAGS: 00010286 text.constprop.0+0x121/0x320 # [ 40.258173] ? exc_page_fault<4>[ 49.017720] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 +0xcd/0x160 # [ 40.269053] ? asm_exc_page_fault+0x1e/0x30 #<4>[ 49.032181] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 [ 40.274019] ? execute_location+0x46/0x57 # [ 40.285002] <4>[ 49.046683] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 40.289963] ? direct_entr<4>[ 49.061144] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082abff10 y.cold+0x2c/0x38 # [ 40.294828] ? full_proxy_write+0x53/0x80<4>[ 49.075686] R13: ffffffff992c8be8 R14: ffff8c7a42b08000 R15: ffffb09082abff10 # [ 40.299595] ? vfs_write+0xf0/0x3c0 # [ 40.303802] ? <4>[ 49.090122] FS: 00007fc28919a740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 ksys_write+0x74/0xf0 # [ 40.307985] ? do_syscall_64+0x30/0x4<4>[ 49.105721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 40.312451] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 49.118654] CR2: 00007fc289179000 CR3: 0000000106136006 CR4: 00000000003706f0 # [ 40.318577] Modules linked in: fuse ip_tables cros_ec_lid_<4>[ 49.133148] Call Trace: angle cros_ec_sensors cros_ec_sensors_core industrialio_triggere<4>[ 49.142374] ? __warn+0x80/0x110 d_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_e<4>[ 49.152506] ? refcount_warn_saturate+0x74/0x110 c_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cr<4>[ 49.164158] ? report_bug+0x99/0xc0 os_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth u<4>[ 49.174582] ? handle_bug+0x41/0x80 vcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memop<4>[ 49.184990] ? exc_invalid_op+0x13/0x60 s ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_d<4>[ 49.195853] ? asm_exc_invalid_op+0x12/0x20 evice intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal <4>[ 49.207023] ? refcount_warn_saturate+0x74/0x110 iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwif<4>[ 49.218700] ? refcount_warn_saturate+0x74/0x110 i videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf sn<4>[ 49.230357] __refcount_add_not_zero.constprop.0+0x26/0x31 d_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int3<4>[ 49.243047] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3c/0x74 40x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_<4>[ 49.255755] direct_entry.cold+0x2c/0x38 rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore <4>[ 49.266688] full_proxy_write+0x53/0x80 coreboot_table # [ 40.407162] CR2: ffff8c7a45404880 # [ 40<4>[ 49.277471] vfs_write+0xf0/0x3c0 .411141] ---[ end trace 242e5a7a3af61dcd ]--- # [ 40.416586] <4>[ 49.287768] ksys_write+0x74/0xf0 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.421254] Code: ff ff ff eb<4>[ 49.297967] do_syscall_64+0x30/0x40 e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc <4>[ 49.308507] entry_SYSCALL_64_after_hwframe+0x67/0xd1 cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f<4>[ 49.320640] RIP: 0033:0x7fc289295240 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 40<4>[ 49.331151] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 .442529] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 40.4<4>[ 49.358645] RSP: 002b:00007ffecc46a9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 48675] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 00000000<4>[ 49.373684] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc289295240 00000000 # [ 40.456937] RDX: 0000000000000000 RSI: ffff8c7aba<4>[ 49.388141] RDX: 000000000000001f RSI: 00007fc289179000 RDI: 0000000000000001 d1bf50 RDI: ffffffff98e40bf0 # [ 40.465198] RBP: 000000000000<4>[ 49.402679] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 0004 R08: 0000000000000001 R09: 0000000000000001 # [ 40.47345<4>[ 49.417159] R10: 00007fc2891b64d0 R11: 0000000000000202 R12: 00007fc289179000 7] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147<4>[ 49.431679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ff10 # [ 40.481718] R13: ffffffff9932fce0 R14: ffff8c7a4628c0<4>[ 49.446158] irq event stamp: 0 00 R15: ffffb0908147ff10 # [ 40.489979] FS: 00007f9f27411740<4>[ 49.456132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 (0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 4<4>[ 49.469619] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 0.499308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 49.485296] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 40.506014] CR2: ffff8c7a45404880 CR3: 0000000106540005 CR4: 0<4>[ 49.500940] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000003706e0 # [ 40.514275] BUG: sleeping function called <4>[ 49.514484] ---[ end trace 242e5a7a3af61dd9 ]--- from invalid context at include/linux/percpu-rwsem.h:49 # [ 4<6>[ 49.526142] lkdtm: Overflow detected: saturated 0.524477] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat # [ 40.533222] INFO: lockdep is turned off. # [ 40.537888] irq event stamp: 0 # [ 40.541584] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.548874] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 40.558292] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 40.567720] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.575010] CPU: 1 PID: 1674 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 40.583952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.591050] Call Trace: # [ 40.594071] dump_stack+0x77/0x9b # [ 40.598061] ___might_sleep.cold+0xa6/0xb7 # [ 40.609136] exit_signals+0x1c/0x300 # [ 40.613417] do_exit+0xbd/0xaa0 # [ 40.623424] ? ksys_write+0x74/0xf0 # [ 40.627626] make_task_dead+0x2e/0x30 # [ 40.632006] rewind_stack_and_make_dead+0x17/0x20 # [ 40.643760] RIP: 0033:0x7f9f2750c240 # [ 40.648040] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 40.669313] RSP: 002b:00007ffea6b41958 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 40.678061] RAX: ffffffffffffffda RBX: 000<6>[ 49.671440] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 000000000000d RCX: 00007f9f2750c240 # [ 40.686322] RDX: 00000<6>[ 49.682562] lkdtm: attempting bad refcount_add_not_zero() overflow 0000000000d RSI: 00007f9f273f0000 RDI: 0000000000000001 # [ 4<4>[ 49.695976] ------------[ cut here ]------------ 0.694574] RBP: 000000000000000d R08: 00000000ffffffff R09: 00000<4>[ 49.707641] refcount_t: saturated; leaking memory. 00000000000 # [ 40.702835] R10: 00007f9f2742d4d0 R11: 0000000<4>[ 49.719531] WARNING: CPU: 1 PID: 2137 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 000000202 R12: 00007f9f273f0000 # [ 40.711094] R13: 000000000<4>[ 49.735443] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table 0000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_KMAL<4>[ 49.824037] CPU: 1 PID: 2137 Comm: cat Tainted: G D W 5.10.222-cip50 #1 LOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC<4>[ 49.839198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 40.828<4>[ 49.852515] RIP: 0010:refcount_warn_saturate+0x74/0x110 616] lkdtm: Performing direct entry EXEC_VMALLOC # [ 40.83739<4>[ 49.864858] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 5] lkdtm: attempting ok execution at ffffffff96f954c0 # [ 40.<4>[ 49.892359] RSP: 0018:ffffb09082b8fe48 EFLAGS: 00010286 844213] lkdtm: attempting bad execution at ffffb09080385000 # [<4>[ 49.904703] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 40.857345] kernel tried to execute NX-protected page - exploi<4>[ 49.919210] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 t attempt? (uid: 0) # [ 40.866002] BUG: unable to handle page<4>[ 49.933678] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.948157] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082b8ff10 fault for address: ffffb09080385000 # [ 40.880186] #PF: supe<4>[ 49.956424] R13: ffffffff992c8c08 R14: ffff8c7a42bf7000 R15: ffffb09082b8ff10 <4>[ 49.970899] FS: 00007f89f7be1740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 rvisor instruction fetch in kernel mode # [ 40.886797] #PF: e<4>[ 49.980235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.993156] CR2: 00007f89f7bc0000 CR3: 000000010653e001 CR4: 00000000003706e0 rror_code(0x0011) - permissions violation # [ 40.893303] PGD <4>[ 50.001425] Call Trace: 100000067 P4D 100000067 PUD 10023f067 PMD 1009ee067 PTE 80000001<4>[ 50.010700] ? __warn+0x80/0x110 06460063 # [ 40.908851] Oops: 0011 [#8] SMP PTI # [ 40.913<4>[ 50.020808] ? refcount_warn_saturate+0x74/0x110 035] CPU: 2 PID: 1711 Comm: cat Tainted: G D W 5.10<4>[ 50.032477] ? report_bug+0x99/0xc0 .222-cip50 #1 # [ 40.921976] Hardware name: Google Rammus/Ram<4>[ 50.042879] ? handle_bug+0x41/0x80 mus, BIOS 09/04/2020 # [ 40.929074] RIP: 0010:0xffffb0908038<4>[ 50.053279] ? exc_invalid_op+0x13/0x60 5000 # [ 40.933745] Code: Unable to access opcode bytes at RI<4>[ 50.064071] ? asm_exc_invalid_op+0x12/0x20 P 0xffffb09080384fd6. # [ 40.947924] RSP: 0018:ffffb090824b7e<4>[ 50.075270] ? refcount_warn_saturate+0x74/0x110 48 EFLAGS: 00010246 # [ 40.954050] RAX: 0000000000000033 RBX:<4>[ 50.086916] ? refcount_warn_saturate+0x74/0x110 ffffb09080385000 RCX: 0000000000000000 # [ 40.962308] RDX: 0<4>[ 50.098583] __refcount_add_not_zero.constprop.0+0x26/0x31 000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [<4>[ 50.111220] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3c/0x74 40.970569] RBP: 0000000000000001 R08: 0000000000000000 R09: 0<4>[ 50.123956] direct_entry.cold+0x2c/0x38 000000000000000 # [ 40.978829] R10: 00000000ffffdfff R11: fff<4>[ 50.134849] full_proxy_write+0x53/0x80 fffff9948ffc0 R12: ffffb090824b7f10 # [ 40.987090] R13: fffff<4>[ 50.145639] vfs_write+0xf0/0x3c0 fff992c8f1e R14: ffff8c7a46460000 R15: ffffb090824b7f10 # [ 4<4>[ 50.155846] ksys_write+0x74/0xf0 0.995352] FS: 00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) <4>[ 50.166053] do_syscall_64+0x30/0x40 knlGS:0000000000000000 # [ 41.004687] CS: 0010 DS: 0000 ES: <4>[ 50.176553] entry_SYSCALL_64_after_hwframe+0x67/0xd1 0000 CR0: 0000000080050033 # [ 41.011395] CR2: ffffb09080384f<4>[ 50.188703] RIP: 0033:0x7f89f7cdc240 <4>[ 50.199201] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 d6 CR3: 0000000106440002 CR4: 00000000003706e0 # [ 41.019669]<4>[ 50.220485] RSP: 002b:00007ffc67b15c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 Call Trace: # [ 41.022712] ? __die_body.cold+0x1a/0x1f # [<4>[ 50.235443] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f89f7cdc240 <4>[ 50.249922] RDX: 000000000000001f RSI: 00007f89f7bc0000 RDI: 0000000000000001 41.027381] ? no_context.constprop.0+0x121/0x320 # [ 41.03<4>[ 50.258188] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 50.272671] R10: 00007f89f7bfd4d0 R11: 0000000000000202 R12: 00007f89f7bc0000 2925] ? exc_page_fault+0xcd/0x160 # [ 41.037595] ? asm_exc_<4>[ 50.280938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 page_fault+0x1e/0x30 # [ 41.042558] ? execute_location+0x46/<4>[ 50.295418] irq event stamp: 0 <4>[ 50.305332] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0x57 # [ 41.047324] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 41<4>[ 50.312630] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 .052283] ? direct_entry.cold+0x2c/0x38 # [ 41.057148] ? ful<4>[ 50.328271] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 50.343916] softirqs last disabled at (0): [<0000000000000000>] 0x0 l_proxy_write+0x53/0x80 # [ 41.061916] ? vfs_write+0xf0/0x3c<4>[ 50.351236] ---[ end trace 242e5a7a3af61dda ]--- 0 # [ 41.066100] ? ksys_write+0x74/0xf0 # [ 41.070282] ?<6>[ 50.362895] lkdtm: Overflow detected: saturated do_syscall_64+0x30/0x40 # [ 41.074755] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 41.080883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.169492] CR2: ffffb09080385000 # [ 41.173480] ---[ end trace 242e5a7a3af61dce ]--- # [ 41.178926] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.183583] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 41.204857] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 41.210980] RAX: ffffffff96f95100 RBX: 0000000<6>[ 50.506744] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 000000001 RCX: 0000000000000000 # [ 41.219240] RDX: 000000000<6>[ 50.517855] lkdtm: attempting good refcount_dec() 0000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 41.22<6>[ 50.529616] lkdtm: attempting bad refcount_dec() to zero 7500] RBP: 0000000000000004 R08: 0000000000000001 R09: 000000000<4>[ 50.542050] ------------[ cut here ]------------ 0000001 # [ 41.235759] R10: 00000000ffffdfff R11: ffffffff994<4>[ 50.553711] refcount_t: decrement hit 0; leaking memory. 8ffc0 R12: ffffb0908147ff10 # [ 41.244018] R13: ffffffff9932f<4>[ 50.566165] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 41.252277<4>[ 50.582090] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table ] FS: 00007fa0b87d8740(0000) GS:ffff8c7abad00000(0000) knlGS:00<4>[ 50.670690] CPU: 1 PID: 2170 Comm: cat Tainted: G D W 5.10.222-cip50 #1 00000000000000 # [ 41.261626] CS: 0010 DS: 0000 ES: 0000 CR0<4>[ 50.685848] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0000000080050033 # [ 41.268332] CR2: ffffb09080384fd6 CR3: <4>[ 50.699161] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0000000106440002 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'cal<4>[ 50.711505] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b l trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selfte<4>[ 50.739002] RSP: 0018:ffffb09082c0fe58 EFLAGS: 00010282 sts: lkdtm: EXEC_RODATA.sh # Killed # [ 41.368787] lkdtm: Pe<4>[ 50.751346] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 rforming direct entry EXEC_RODATA # [ 41.375898] lkdtm: attem<4>[ 50.765827] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 pting ok execution at ffffffff96f954c0 # [ 41.382736] lkdtm: <4>[ 50.780309] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 attempting bad execution at ffffffff98e41080 # [ 41.389696] k<4>[ 50.794790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082c0ff10 ernel tried to execute NX-protected page - exploit attempt? (uid<4>[ 50.809271] R13: ffffffff992c8fc1 R14: ffff8c7a47383000 R15: ffffb09082c0ff10 : 0) # [ 41.398356] BUG: unable to handle page fault for addr<4>[ 50.823755] FS: 00007f93abce8740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 ess: ffffffff98e41080 # [ 41.412538] #PF: supervisor instruct<4>[ 50.839305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ion fetch in kernel mode # [ 41.419149] #PF: error_code(0x001<4>[ 50.852234] CR2: 00007f93abcc7000 CR3: 0000000106484005 CR4: 00000000003706e0 1) - permissions violation # [ 41.425662] PGD b429067 P4D b42<4>[ 50.866717] Call Trace: 9067 PUD b42a063 PMD 800000000ae000e1 # [ 41.433150] Oops: 0<4>[ 50.875960] ? __warn+0x80/0x110 011 [#9] SMP PTI # [ 41.443546] CPU: 3 PID: 1748 Comm: cat Ta<4>[ 50.886067] ? refcount_warn_saturate+0xfb/0x110 inted: G D W 5.10.222-cip50 #1 # [ 41.452489] Ha<4>[ 50.897736] ? report_bug+0x99/0xc0 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.46<4>[ 50.908141] ? handle_bug+0x41/0x80 5800] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 41.47182<4>[ 50.918541] ? exc_invalid_op+0x13/0x60 7] Code: ff ff 75 76 64 97 ff ff ff ff 52 91 2c 99 ff ff ff ff 2<4>[ 50.929334] ? asm_exc_invalid_op+0x12/0x20 0 5e 64 97 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00<4>[ 50.940517] ? refcount_warn_saturate+0xfb/0x110 00 00 cc cc cc cc 00 00 00 00 00 00 00 00 00 00 00 54 68 6<4>[ 50.952178] ? refcount_warn_saturate+0xfb/0x110 9 73 20 69 # [ 41.493101] RSP: 0018:ffffb0908256fe58 EFLAGS: <4>[ 50.963841] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 00010246 # [ 41.499217] RAX: 0000000000000033 RBX: ffffffff98<4>[ 50.975314] direct_entry.cold+0x2c/0x38 e41080 RCX: 0000000000000000 # [ 41.507469] RDX: 000000000000<4>[ 50.986204] full_proxy_write+0x53/0x80 0000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 # [ 41.51572<4>[ 50.996996] vfs_write+0xf0/0x3c0 8] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000<4>[ 51.007202] ksys_write+0x74/0xf0 0000 # [ 41.523986] R10: 00000000ffffdfff R11: ffffffff9948ff<4>[ 51.017412] do_syscall_64+0x30/0x40 c0 R12: ffffb0908256ff10 # [ 41.532245] R13: ffffffff992c8f2b<4>[ 51.027913] entry_SYSCALL_64_after_hwframe+0x67/0xd1 R14: ffff8c7a42bb1000 R15: ffffb0908256ff10 # [ 41.540506] F<4>[ 51.040064] RIP: 0033:0x7f93abde3240 S: 00007fe4c3dac740(0000) GS:ffff8c7abad80000(0000) knlGS:00000<4>[ 51.050563] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 00000000000 # [ 41.549834] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 51.078061] RSP: 002b:00007ffef8e95378 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 000000080050033 # [ 41.556542] CR2: ffffffff98e41080 CR3: 000<4>[ 51.093030] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f93abde3240 0000106558002 CR4: 00000000003706e0 # [ 41.564803] Call Trace<4>[ 51.107513] RDX: 0000000000000012 RSI: 00007f93abcc7000 RDI: 0000000000000001 <4>[ 51.121994] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 : # [ 41.567823] ? __die_body.cold+0x1a/0x1f # [ 41.57249<4>[ 51.130264] R10: 00007f93abd044d0 R11: 0000000000000202 R12: 00007f93abcc7000 <4>[ 51.144747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 4] ? no_context.constprop.0+0x121/0x320 # [ 41.578040] ? ex<4>[ 51.153021] irq event stamp: 0 c_page_fault+0xcd/0x160 # [ 41.582710] ? asm_exc_page_fault+<4>[ 51.162929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.176439] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 0x1e/0x30 # [ 41.587683] ? execute_location+0x46/0x57<4>[ 51.185873] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 51.200834] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.592449] ? direct_entry.cold+0x2c/0x38 # [ 41.5973<4>[ 51.208156] ---[ end trace 242e5a7a3af61ddb ]--- 05] ? full_proxy_write+0x53/0x80 <6>[ 51.219818] lkdtm: Zero detected: saturated # [ 41.602073] ? vfs_write+0xf0/0x3c0 # [ 41.606255] ? ksys_write+0x74/0xf0 # [ 41.610439] ? do_syscall_64+0x30/0x40 # [ 41.614914] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 41.621041] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.709653] CR2: ffffffff98e41080 # [ 41.713677] ---[ end trace 242e5a7a3af61dcf ]--- # [ 41.719124] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.723791] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 41.745066] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 41.751190] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000<6>[ 51.371457] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 000000 # [ 41.759441] RDX: 0000000000000000 RSI: ffff8c7abad1<6>[ 51.384536] lkdtm: attempting bad refcount_dec() below zero bf50 RDI: ffffffff98e40bf0 # [ 41.767701] RBP: 00000000000000<4>[ 51.397291] ------------[ cut here ]------------ 04 R08: 0000000000000001 R09: 0000000000000001 # [ 41.775962]<4>[ 51.408951] refcount_t: decrement hit 0; leaking memory. R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff<4>[ 51.421441] WARNING: CPU: 0 PID: 2206 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 10 # [ 41.784222] R13: ffffffff9932fce0 R14: ffff8c7a4628c000<4>[ 51.437346] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table R15: ffffb0908147ff10 # [ 41.792484] FS: 00007fe4c3dac740(0<4>[ 51.525968] CPU: 0 PID: 2206 Comm: cat Tainted: G D W 5.10.222-cip50 #1 000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 41.<4>[ 51.541082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 801805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 51.554394] RIP: 0010:refcount_warn_saturate+0xfb/0x110 41.808513] CR2: ffffffff98e41080 CR3: 0000000106558002 CR4: 000<4>[ 51.566737] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00000003706e0 # [ 41.816774] BUG: sleeping function called fr<4>[ 51.594224] RSP: 0018:ffffb09082cafe58 EFLAGS: 00010282 om invalid context at include/linux/percpu-rwsem.h:49 # [ 41.<4>[ 51.606580] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 826978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1<4>[ 51.621049] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 748, name: cat # [ 41.835725] INFO: lockdep is turned off. #<4>[ 51.635551] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 [ 41.840393] irq event stamp: 0 # [ 41.844088] hardirqs la<4>[ 51.650014] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082caff10 st enabled at (0): [<0000000000000000>] 0x0 # [ 41.851379] h<4>[ 51.664518] R13: ffffffff992c8fd3 R14: ffff8c7a470ae000 R15: ffffb09082caff10 ardirqs last disabled at (0): [] copy_process+<4>[ 51.678984] FS: 00007f67b5143740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 0x6e1/0x2190 # [ 41.860806] softirqs last enabled at (0): [<<4>[ 51.694548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffff965001e1>] copy_process+0x6e1/0x2190 # [ 41.870233] s<4>[ 51.707457] CR2: 00007f67b5122000 CR3: 0000000107d86003 CR4: 00000000003706f0 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41<4>[ 51.721967] Call Trace: .877526] CPU: 3 PID: 1748 Comm: cat Tainted: G D W <4>[ 51.731193] ? __warn+0x80/0x110 5.10.222-cip50 #1 # [ 41.886458] Hardware name: Google Rammus<4>[ 51.741308] ? refcount_warn_saturate+0xfb/0x110 /Rammus, BIOS 09/04/2020 # [ 41.893552] Call Trace: # [ 4<4>[ 51.752970] ? report_bug+0x99/0xc0 1.896570] dump_stack+0x77/0x9b # [ 41.900560] ___might_slee<4>[ 51.763381] ? handle_bug+0x41/0x80 p.cold+0xa6/0xb7 # [ 41.905423] exit_signals+0x1c/0x300 # [<4>[ 51.773771] ? exc_invalid_op+0x13/0x60 41.909703] do_exit+0xbd/0xaa0 # [ 41.913490] ? ksys_writ<4>[ 51.784589] ? asm_exc_invalid_op+0x12/0x20 e+0x74/0xf0 # [ 41.917687] make_task_dead+0x2e/0x30 # [ 4<4>[ 51.795752] ? refcount_warn_saturate+0xfb/0x110 1.922064] rewind_stack_and_make_dead+0x17/0x20 # [ 41.927596<4>[ 51.807401] ? refcount_warn_saturate+0xfb/0x110 ] RIP: 0033:0x7fe4c3ea7240 # [ 41.931875] Code: 40 00 48 8b 1<4>[ 51.819099] lkdtm_REFCOUNT_DEC_NEGATIVE+0x35/0x5f 5 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<4>[ 51.830944] direct_entry.cold+0x2c/0x38 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f<4>[ 51.841833] full_proxy_write+0x53/0x80 f ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 41.9<4>[ 51.852669] vfs_write+0xf0/0x3c0 53151] RSP: 002b:00007ffda9f77808 EFLAGS: 00000202 ORIG_RAX: 000<4>[ 51.862876] ksys_write+0x74/0xf0 0000000000001 # [ 41.961898] RAX: ffffffffffffffda RBX: 00000<4>[ 51.873084] do_syscall_64+0x30/0x40 0000000000c RCX: 00007fe4c3ea7240 # [ 41.970157] RDX: 0000000<4>[ 51.883595] entry_SYSCALL_64_after_hwframe+0x67/0xd1 00000000c RSI: 00007fe4c3d8b000 RDI: 0000000000000001 # [ 41.<4>[ 51.895725] RIP: 0033:0x7f67b523e240 978417] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000<4>[ 51.906253] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 000000000 # [ 41.986679] R10: 00007fe4c3dc84d0 R11: 000000000<4>[ 51.933776] RSP: 002b:00007ffeece446b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 0000202 R12: 00007fe4c3d8b000 # [ 41.994939] R13: 00000000000<4>[ 51.948741] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f67b523e240 00001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_RODATA<4>[ 51.963216] RDX: 0000000000000016 RSI: 00007f67b5122000 RDI: 0000000000000001 : saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh <4>[ 51.977713] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 42.12111<4>[ 51.992200] R10: 00007f67b515f4d0 R11: 0000000000000202 R12: 00007f67b5122000 3] lkdtm: Performing direct entry EXEC_USERSPACE # [ 42.12768<4>[ 52.006693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 3] lkdtm: attempting ok execution at ffffffff96f954c0 # [ 42.<4>[ 52.021165] irq event stamp: 0 140712] lkdtm: attempting bad execution at 00007f222540e000 # [<4>[ 52.031083] hardirqs last enabled at (0): [<0000000000000000>] 0x0 42.153820] unable to execute userspace code (SMEP?) (uid: 0) <4>[ 52.044587] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 42.166732] BUG: unable to handle page fault for address: <4>[ 52.060239] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 00007f222540e000 # [ 42.174702] #PF: supervisor instruction f<4>[ 52.075905] softirqs last disabled at (0): [<0000000000000000>] 0x0 etch in kernel mode # [ 42.181311] #PF: error_code(0x0011) - <4>[ 52.089422] ---[ end trace 242e5a7a3af61ddc ]--- permissions violation # [ 42.187823] PGD 800000010662d067 P4D<6>[ 52.101106] lkdtm: Negative detected: saturated 800000010662d067 PUD 10662c067 PMD 103ec0067 PTE 10c224067 # [ 42.204050] Oops: 0011 [#10] SMP PTI # [ 42.208330] CPU: 1 PID: 1785 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 42.217269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.224364] RIP: 0010:0x7f222540e000 # [ 42.228643] Code: Unable to access opcode bytes at RIP 0x7f222540dfd6. # [ 42.236223] RSP: 0018:ffffb09082617e60 EFLAGS: 00010246 # [ 42.242347] RAX: 0000000000000033 RBX: 00007f222540e000 RCX: 0000000000000000 # [ 42.250623] RDX: 0000000000000000 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 # [ 42.258882] RBP: 000000000000000f R08: 0000000000000000 R09: 0000000000000000 # [ 42.267143] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082617f10 # [ 42.275403] R13: ffffffff992c8f37 R14: ffff8c7a42b98000 R15: ffffb09082617f10 # [ 42.283674] FS: 00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 42.293004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.299712] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0 # [ 42.307964] Call Trace: # [ 42.310984] ? __die_body.cold+0x1a/0x1f # [ 42.321872] ? no_context.constprop.0+0x121/0x320 # [ 42.327419] ? exc_page_fault+0x4e/0x160 # [ 42.338299] ? asm_exc_page_fault+0x1e/0x30 # [ 42.343264] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 42.355119] ? direct_entry.cold+0x2c/0x38 # [ 42.359976] ? full_proxy_write+0x53/0x80 # [ 42.364744] ? vfs_write+0xf0/0x3c0 # [ 42.375139] ? ksys_write+0x74/0xf0 # [ 42.379315] ? do_syscall_64+0x30/0x40 # [ 42.383790] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 42.389918] Modules linked in: f<6>[ 52.279690] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 52.288324] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 52.295722] ------------[ cut here ]------------ <4>[ 52.301179] refcount_t: underflow; use-after-free. <4>[ 52.306879] WARNING: CPU: 2 PID: 2242 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 use ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_<4>[ 52.316606] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 52.405191] CPU: 2 PID: 2242 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 52.414167] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.421267] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 52.427397] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 52.448675] RSP: 0018:ffffb09082cf7e50 EFLAGS: 00010286 <4>[ 52.454805] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 52.463071] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 52.471337] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.479619] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082cf7f10 core industrialio_triggered_buffer kfifo_buf industrialio btusb <4>[ 52.487894] R13: ffffffff992c8c28 R14: ffff8c7a4628f000 R15: ffffb09082cf7f10 <4>[ 52.502374] FS: 00007f21ba6c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 52.511731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.518441] CR2: 00007f21ba6a3000 CR3: 0000000102bd2001 CR4: 00000000003706e0 <4>[ 52.526706] Call Trace: <4>[ 52.529730] ? __warn+0x80/0x110 btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_ch<4>[ 52.533653] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.545311] ? report_bug+0x99/0xc0 <4>[ 52.549528] ? handle_bug+0x41/0x80 ardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec<4>[ 52.553742] ? exc_invalid_op+0x13/0x60 _lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc int<4>[ 52.564532] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.575728] ? refcount_warn_saturate+0xba/0x110 el_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_<4>[ 52.581190] __refcount_sub_and_test.constprop.0+0x34/0x40 <4>[ 52.593819] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3a/0x74 <4>[ 52.600339] direct_entry.cold+0x2c/0x38 <4>[ 52.605042] full_proxy_write+0x53/0x80 <4>[ 52.609642] vfs_write+0xf0/0x3c0 da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_<4>[ 52.613642] ksys_write+0x74/0xf0 <4>[ 52.623845] do_syscall_64+0x30/0x40 core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_<4>[ 52.628133] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 52.640281] RIP: 0033:0x7f21ba7bf240 <4>[ 52.644584] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 52.665866] RSP: 002b:00007ffe59dca278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 52.674663] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f21ba7bf240 <4>[ 52.682959] RDX: 000000000000001f RSI: 00007f21ba6a3000 RDI: 0000000000000001 <4>[ 52.691224] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 52.699487] R10: 00007f21ba6e04d0 R11: 0000000000000202 R12: 00007f21ba6a3000 <4>[ 52.707750] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 52.716018] irq event stamp: 0 ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64<4>[ 52.719743] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.733251] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 52.742707] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 52.752137] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.759430] ---[ end trace 242e5a7a3af61ddd ]--- <6>[ 52.764878] lkdtm: Negative detected: saturated ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.478499] CR2: 00007f222540e000 # [ 42.482480] ---[ end trace 242e5a7a3af61dd0 ]--- # [ 42.487926] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.492584] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 42.513860] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 42.519983] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.528245] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 42.536505] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 42.544768] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 42.553031] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 42.567508] FS: 00007f2225227740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 42.576837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.583544] CR2: 00007f222540e000 CR3: 0000000107972002 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 42.703687] lkdtm: Performing direct entry EXEC_NULL # [ 42.715741] lkdtm: at<6>[ 52.914182] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE tempting ok execution at ffffffff96f954c0 # [ 42.722582] lkdt<6>[ 52.927450] lkdtm: attempting bad refcount_sub_and_test() below zero m: attempting bad execution at 0000000000000000 # [ 42.729535<4>[ 52.941069] ------------[ cut here ]------------ ] BUG: kernel NULL pointer dereference, address: 000000000000000<4>[ 52.952719] refcount_t: underflow; use-after-free. 0 # [ 42.737612] #PF: supervisor instruction fetch in kernel <4>[ 52.964666] WARNING: CPU: 0 PID: 2278 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 mode # [ 42.750436] #PF: error_code(0x0010) - not-present pag<4>[ 52.980533] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table e # [ 42.756456] PGD 0 P4D 0 # [ 42.759575] Oops: 0010 [#<4>[ 53.069137] CPU: 0 PID: 2278 Comm: cat Tainted: G D W 5.10.222-cip50 #1 11] SMP PTI # [ 42.770067] CPU: 2 PID: 1822 Comm: cat Tainted<4>[ 53.084271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : G D W 5.10.222-cip50 #1 # [ 42.779012] Hardwar<4>[ 53.097627] RIP: 0010:refcount_warn_saturate+0xba/0x110 e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.792325]<4>[ 53.109948] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 RIP: 0010:0x0 # [ 42.795538] Code: Unable to access opcode b<4>[ 53.137489] RSP: 0018:ffffb09082da7e50 EFLAGS: 00010286 ytes at RIP 0xffffffffffffffd6. # [ 42.803507] RSP: 0018:ffff<4>[ 53.149818] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 b0908269fe58 EFLAGS: 00010246 # [ 42.809625] RAX: 00000000000<4>[ 53.164347] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 00033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 42.8178<4>[ 53.178814] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 85] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad<4>[ 53.193346] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082da7f10 1bf50 # [ 42.826145] RBP: 0000000000000000 R08: 0000000000000<4>[ 53.207807] R13: ffffffff992c8c48 R14: ffff8c7a46600000 R15: ffffb09082da7f10 000 R09: 0000000000000000 # [ 42.834405] R10: 00000000ffffdff<4>[ 53.222333] FS: 00007f1f6c55b740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 f R11: ffffffff9948ffc0 R12: ffffb0908269ff10 # [ 42.842686] <4>[ 53.237866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffffffff992c8f46 R14: ffff8c7a45137000 R15: ffffb0908269ff1<4>[ 53.250857] CR2: 00007f1f6c53a000 CR3: 00000001071c8001 CR4: 00000000003706f0 0 # [ 42.850947] FS: 00007f081958e740(0000) GS:ffff8c7abad00<4>[ 53.265310] Call Trace: 000(0000) knlGS:0000000000000000 # [ 42.860267] CS: 0010 DS:<4>[ 53.274586] ? __warn+0x80/0x110 0000 ES: 0000 CR0: 0000000080050033 # [ 42.866972] CR2: ffff<4>[ 53.284681] ? refcount_warn_saturate+0xba/0x110 ffffffffffd6 CR3: 00000001062de001 CR4: 00000000003706e0 # [ <4>[ 53.296365] ? report_bug+0x99/0xc0 42.875233] Call Trace: # [ 42.878253] ? __die_body.cold+0x1a<4>[ 53.306764] ? handle_bug+0x41/0x80 /0x1f # [ 42.882923] ? no_context.constprop.0+0x121/0x320 #<4>[ 53.317201] ? exc_invalid_op+0x13/0x60 [ 42.888467] ? exc_page_fault+0x4e/0x160 # [ 42.893135] <4>[ 53.327981] ? asm_exc_invalid_op+0x12/0x20 ? asm_exc_page_fault+0x1e/0x30 # [ 42.898090] execute_locati<4>[ 53.339225] ? refcount_warn_saturate+0xba/0x110 on+0x46/0x57 # [ 42.902680] direct_entry.cold+0x2c/0x38 # [<4>[ 53.350860] __refcount_sub_and_test.constprop.0+0x34/0x40 42.907350] full_proxy_write+0x53/0x80 # [ 42.911922] vfs<4>[ 53.363558] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3c/0x79 _write+0xf0/0x3c0 # [ 42.915901] ksys_write+0x74/0xf0 # [ <4>[ 53.376264] direct_entry.cold+0x2c/0x38 42.919889] do_syscall_64+0x30/0x40 # [ 42.924169] entry_SY<4>[ 53.387206] full_proxy_write+0x53/0x80 SCALL_64_after_hwframe+0x67/0xd1 # [ 42.930099] RIP: 0033:0x7<4>[ 53.397969] vfs_write+0xf0/0x3c0 f0819689240 # [ 42.934371] Code: 40 00 48 8b 15 c1 9b 0d 00 f<4>[ 53.408251] ksys_write+0x74/0xf0 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e<4>[ 53.418436] do_syscall_64+0x30/0x40 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0<4>[ 53.428974] entry_SYSCALL_64_after_hwframe+0x67/0xd1 f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 42.955635] RSP: 002<4>[ 53.441110] RIP: 0033:0x7f1f6c656240 b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 53.451623] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 42.964381] RAX: ffffffffffffffda RBX: 000000000000000a RCX<4>[ 53.479119] RSP: 002b:00007fff477b2808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 : 00007f0819689240 # [ 42.972641] RDX: 000000000000000a RSI: <4>[ 53.494110] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1f6c656240 <4>[ 53.508555] RDX: 000000000000001f RSI: 00007f1f6c53a000 RDI: 0000000000000001 00007f081956d000 RDI: 0000000000000001 # [ 42.980899] RBP: 00<4>[ 53.516866] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 0000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ <4>[ 53.531335] R10: 00007f1f6c5774d0 R11: 0000000000000202 R12: 00007f1f6c53a000 42.989160] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00<4>[ 53.545824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 007f081956d000 # [ 42.997421] R13: 0000000000000001 R14: 0000<4>[ 53.560329] irq event stamp: 0 000000020000 R15: 0000000000000000 # [ 43.005685] Modules lin<4>[ 53.570208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec<4>[ 53.583764] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[ 53.599433] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 io btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub c<4>[ 53.615084] softirqs last disabled at (0): [<0000000000000000>] 0x0 ros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charge<4>[ 53.628580] ---[ end trace 242e5a7a3af61dde ]--- r cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vm<6>[ 53.640257] lkdtm: Negative detected: saturated alloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 43.094298] CR2: 0000000000000000 # [ 43.098277] ---[ end trace 242e5a7a3af61dd1 ]--- # [ 43.103722] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.108388] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 43.129660] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 43.135828] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.144089] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 43.152350] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 43.160623] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 43.168884] R13: f<6>[ 53.775465] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 53.782747] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 53.790146] lkdtm: Good: zero detected fffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [<6>[ 53.794656] lkdtm: Correctly stayed at zero 43.177143] FS: 00007f081958e740(0000) GS:ffff8c7abad00000(00<6>[ 53.805834] lkdtm: attempting bad refcount_inc() from zero <4>[ 53.818470] ------------[ cut here ]------------ 00) knlGS:0000000000000000 # [ 43.186470] CS: 0010 DS: 0000 <4>[ 53.823921] refcount_t: addition on 0; use-after-free. <4>[ 53.836197] WARNING: CPU: 2 PID: 2311 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110 ES: 0000 CR0: 0000000080050033 # [ 43.193177] CR2: ffffffffff<4>[ 53.845927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 53.934545] CPU: 2 PID: 2311 Comm: cat Tainted: G D W 5.10.222-cip50 #1 ffffd6 CR3: 00000001062de001 CR4: 00000000003706e0 # [ 43.201<4>[ 53.943506] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.956810] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 53.962971] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 <4>[ 53.984283] RSP: 0018:ffffb09082e37e58 EFLAGS: 00010282 <4>[ 53.990414] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 53.998683] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 54.006950] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.015216] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082e37f10 <4>[ 54.023484] R13: ffffffff992c8fe9 R14: ffff8c7a479ea000 R15: ffffb09082e37f10 <4>[ 54.031750] FS: 00007ff80c699740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 54.041086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.047799] CR2: 00007ff80c678000 CR3: 0000000105274006 CR4: 00000000003706e0 <4>[ 54.056067] Call Trace: <4>[ 54.059093] ? __warn+0x80/0x110 436] BUG: sleeping function called from invalid context at inclu<4>[ 54.063017] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.074697] ? report_bug+0x99/0xc0 <4>[ 54.078919] ? handle_bug+0x41/0x80 <4>[ 54.083137] ? exc_invalid_op+0x13/0x60 de/linux/percpu-rwsem.h:49 # [ 43.211637] in_atomic(): 0, irq<4>[ 54.087717] ? asm_exc_invalid_op+0x12/0x20 s_disabled(): 1, non_block: 0, pid: 1822, name: cat # [ 43.22<4>[ 54.098896] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.110564] ? refcount_warn_saturate+0x97/0x110 0380] INFO: lockdep is turned off. # [ 43.225047] irq event s<4>[ 54.116041] lkdtm_REFCOUNT_INC_ZERO+0x95/0xbd <4>[ 54.127508] direct_entry.cold+0x2c/0x38 <4>[ 54.132213] full_proxy_write+0x53/0x80 <4>[ 54.136822] vfs_write+0xf0/0x3c0 <4>[ 54.140846] ksys_write+0x74/0xf0 <4>[ 54.144842] do_syscall_64+0x30/0x40 <4>[ 54.149158] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 54.155095] RIP: 0033:0x7ff80c794240 <4>[ 54.159410] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 54.180696] RSP: 002b:00007ffc10d58218 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 54.189480] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff80c794240 <4>[ 54.197748] RDX: 0000000000000012 RSI: 00007ff80c678000 RDI: 0000000000000001 <4>[ 54.206014] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 54.214282] R10: 00007ff80c6b54d0 R11: 0000000000000202 R12: 00007ff80c678000 <4>[ 54.222549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 54.230819] irq event stamp: 0 tamp: 0 # [ 43.228744] hardirqs last enabled at (0): [<00000<4>[ 54.234546] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.248052] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 54.257490] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 54.266921] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.274215] ---[ end trace 242e5a7a3af61ddf ]--- <6>[ 54.279681] lkdtm: Zero detected: saturated 00000000000>] 0x0 # [ 43.236034] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 43.245453] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 43.254879] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.262168] CPU: 2 PID: 1822 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 43.271107] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.278201] Call Trace: # [ 43.281219] dump_stack+0x77/0x9b # [ 43.285209] ___might_sleep.cold+0xa6/0xb7 # [ 43.290073] exit_signals+0x1c/0x300 # [ 43.294354] do_exit+0xbd/0xaa0 # [ 43.298139] ? ksys_write+0x74/0xf0 # [ 43.302323] make_task_dead+0x2e/0x30 # [ 43.306702] rewind_stack_and_make_dead+0x17/0x20 # [ 43.312245] RIP: 0033:0x7f0819689240 # [ 43.316524] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 43.337800] RSP: 002b:00007fff56747978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 43.346546] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0819689240 # [ 43.354807] RDX: 000000000000000a RSI: 00007f081956d000 RDI: 0000000000000001 # [ 43.363068] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 43.371329] R10: 00007f08195aa4d0 R11: 0000000000000202 R12: 00007f081956d000 # [ 43.379590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 43.507387] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 43.518717] lkdtm: attempting bad read at 00007f237decf000 # [ 43.525150] BUG: unable to handle page fault for address: 00007f237decf000 # [ 43.533126] #PF: supervisor read access in kernel mode # [ 43.539156] #PF: error_code(0x0001) - permissions violation # [ 43.545669] PGD 80000001071f5067 P4D 80000001071f5067 PUD 1032f1067 PMD 106735067 PTE 10c0e0067 # [ 43.561898] Oops: 0001 [#12] SMP PTI # [ 43.566180] CPU: 3 PID: 1858 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 43.575121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.582220] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1 # [ 43.588734] Code: 00 00 00 75 62 48 83 c4 10 5b c3 cc cc cc cc 48 89 de 48 c7 c7 70 9e 2c 99 e8 db eb fb ff 48 c7 c7 98 9e 2c 99 b8 de c0 de c0 <48> 03 03 48 89 04 24 e8 c3 eb fb ff 48 89 de 48 c7 c7 c0 9e 2c 99 # [ 43.609999] RSP: 0018:ffffb09082717e58 EFLAGS: 00010246 # [ 43.616124] RAX: 00000000c0dec0de RBX: 00007f237decf000 RCX: 0000000000000000 # [ 43.624386] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9e98 # [ 43.632649] RBP: 0000000000000011 R08: 0000000000000000 R09: 0000000000000000 # [ 43.640910] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082717f10 # [ 43.649171] R13: ffffffff992c8f50 R14: ffff8c7a4670a000 R15: ffffb09082717f10 # [ 43.657433] FS: 00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 43.666762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<6>[ 54.606397] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 43.673469] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 0<6>[ 54.614554] lkdtm: attempting safe refcount_add_not_zero() from zero 0000000003706e0 # [ 43.681728] Call Trace: # [ 43.684747] <6>[ 54.628160] lkdtm: Good: zero detected <6>[ 54.638852] lkdtm: Correctly stayed at zero <6>[ 54.643820] lkdtm: attempting bad refcount_add() from zero <4>[ 54.650242] ------------[ cut here ]------------ <4>[ 54.655724] refcount_t: addition on 0; use-after-free. <4>[ 54.661786] WARNING: CPU: 2 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110 ? __die_body.cold+0x1a/0x1f # [ 43.689418] ? no_context.con<4>[ 54.671526] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 54.760098] CPU: 2 PID: 2344 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 54.769076] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.776178] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 54.782339] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 <4>[ 54.803666] RSP: 0018:ffffb09082eb7e58 EFLAGS: 00010282 <4>[ 54.809827] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 54.818094] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 54.826362] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 stprop.0+0x121/0x320 # [ 43.694961] ? exc_page_fault+0x4e/0x<4>[ 54.834629] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082eb7f10 <4>[ 54.849112] R13: ffffffff992c8ffb R14: ffff8c7a42af4000 R15: ffffb09082eb7f10 <4>[ 54.857379] FS: 00007ff3602c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 54.866713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.873425] CR2: 00007ff3602a3000 CR3: 0000000108678002 CR4: 00000000003706e0 <4>[ 54.881691] Call Trace: <4>[ 54.884718] ? __warn+0x80/0x110 160 # [ 43.699630] ? asm_exc_page_fault+0x1e/0x30 # [ 43.<4>[ 54.888640] ? refcount_warn_saturate+0x97/0x110 704591] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa1 # [ 43.71042<4>[ 54.900300] ? report_bug+0x99/0xc0 4] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa1 # [ 43.716258] d<4>[ 54.910704] ? handle_bug+0x41/0x80 <4>[ 54.921109] ? exc_invalid_op+0x13/0x60 <4>[ 54.925717] ? asm_exc_invalid_op+0x12/0x20 <4>[ 54.930718] ? refcount_warn_saturate+0x97/0x110 irect_entry.cold+0x2c/0x38 # [ 43.720920] full_proxy_write+0<4>[ 54.936188] ? refcount_warn_saturate+0x97/0x110 <4>[ 54.947846] lkdtm_REFCOUNT_ADD_ZERO+0x95/0xbd <4>[ 54.953135] direct_entry.cold+0x2c/0x38 <4>[ 54.957841] full_proxy_write+0x53/0x80 <4>[ 54.962450] vfs_write+0xf0/0x3c0 <4>[ 54.966475] ksys_write+0x74/0xf0 <4>[ 54.970498] do_syscall_64+0x30/0x40 <4>[ 54.974786] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 54.980752] RIP: 0033:0x7ff3603bf240 <4>[ 54.985037] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 55.006320] RSP: 002b:00007ffd23321c78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 55.015075] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff3603bf240 <4>[ 55.023368] RDX: 0000000000000012 RSI: 00007ff3602a3000 RDI: 0000000000000001 <4>[ 55.031636] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 x53/0x80 # [ 43.725491] vfs_write+0xf0/0x3c0 # [ 43.72947<4>[ 55.039910] R10: 00007ff3602e04d0 R11: 0000000000000202 R12: 00007ff3602a3000 <4>[ 55.054386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 55.062671] irq event stamp: 0 <4>[ 55.066404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.073701] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 55.083134] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 55.092566] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.099862] ---[ end trace 242e5a7a3af61de0 ]--- <6>[ 55.105313] lkdtm: Zero detected: saturated 8] ksys_write+0x74/0xf0 # [ 43.733467] do_syscall_64+0x30/0x40 # [ 43.737748] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 43.743678] RIP: 0033:0x7f237dde3240 # [ 43.747949] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 43.769222] RSP: 002b:00007ffd72741558 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 43.777969] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f237dde3240 # [ 43.786230] RDX: 0000000000000011 RSI: 00007f237dcc7000 RDI: 0000000000000001 # [ 43.794488] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 # [ 43.802749] R10: 00007f237dd044d0 R11: 0000000000000202 R12: 00007f237dcc7000 # [ 43.811009] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 43.819271] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf <6>[ 55.256069] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 55.266587] lkdtm: attempting bad refcount_inc() from saturated <4>[ 55.273525] ------------[ cut here ]------------ snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal in<4>[ 55.279007] refcount_t: saturated; leaking memory. t340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_therma<4>[ 55.290875] WARNING: CPU: 2 PID: 2380 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 l_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstor<4>[ 55.306800] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 55.395453] CPU: 2 PID: 2380 Comm: cat Tainted: G D W 5.10.222-cip50 #1 e coreboot_table # [ 43.907888] CR2: 00007f237decf000 # [ <4>[ 55.404408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.417717] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 55.423861] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 <4>[ 55.445142] RSP: 0018:ffffb09082f27e58 EFLAGS: 00010282 <4>[ 55.451270] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 55.459535] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 55.467801] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.476066] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082f27f10 <4>[ 55.484329] R13: ffffffff992c900d R14: ffff8c7a47800000 R15: ffffb09082f27f10 <4>[ 55.492595] FS: 00007f1656825740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 55.501927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.508638] CR2: 00007f1656804000 CR3: 000000010674a001 CR4: 00000000003706e0 <4>[ 55.516904] Call Trace: <4>[ 55.519944] ? __warn+0x80/0x110 43.911877] ---[ end trace 242e5a7a3af61dd2 ]--- # [ 43.917314<4>[ 55.523848] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.535509] ? report_bug+0x99/0xc0 <4>[ 55.539698] ? handle_bug+0x41/0x80 <4>[ 55.543909] ? exc_invalid_op+0x13/0x60 <4>[ 55.548484] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.553452] ? refcount_warn_saturate+0x51/0x110 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.921974] Code: ff ff ff <4>[ 55.558927] ? refcount_warn_saturate+0x51/0x110 eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 55.570588] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 c cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 <4>[ 55.582543] direct_entry.cold+0x2c/0x38 <4>[ 55.593433] full_proxy_write+0x53/0x80 <4>[ 55.598039] vfs_write+0xf0/0x3c0 <4>[ 55.602033] ksys_write+0x74/0xf0 <4>[ 55.606025] do_syscall_64+0x30/0x40 <4>[ 55.610310] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 55.616243] RIP: 0033:0x7f1656920240 <4>[ 55.620527] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 55.641804] RSP: 002b:00007fffc8d41fe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 55.650555] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1656920240 <4>[ 55.658820] RDX: 0000000000000017 RSI: 00007f1656804000 RDI: 0000000000000001 <4>[ 55.667085] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 55.675350] R10: 00007f16568414d0 R11: 0000000000000202 R12: 00007f1656804000 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ <4>[ 55.683627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 55.698110] irq event stamp: 0 43.943238] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 43<4>[ 55.701837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.715339] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 55.724768] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 55.734198] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.741491] ---[ end trace 242e5a7a3af61de1 ]--- <6>[ 55.746938] lkdtm: Saturation detected: still saturated .949362] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.957625] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 43.965886] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 43.974147] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 43.982407] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 43.990680] FS: 00007f237dce8740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 44.000010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.006717] CR2: 00007f237decf000 CR3: 0000000107972005 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 44.128043] lkdtm: Performing direct entry ACCESS_NULL # [ 44.139142] lkdtm: attempting bad read at 0000000000000000 # [ 44.145616] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.153693] #PF: supervisor read access in kernel mode # [ 44.165936] #PF: error_code(0x0000) - not-present page # [ 44.171966] PGD 0 P4D 0 # [ 44.175085] Oops: 0000 [#13] SMP PTI # [ 44.185579] CPU: 3 PID: 1894 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 44.194521] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.201627] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.207161] Code: 81 eb fb ff be 00 10 00 00 48 89 df e8 db 73 0c ff e9 6b ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 70 9e 2c 99 e8 5b eb fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 98 9e 2c 99 48 01 # [ 44.228439] RSP: 0018:ffffb09082787e68 EFLAGS: 00010246 # [ 44.234564] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 44.242826] RDX: 0000000000000000 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 # [ 44.251089] RBP: 000000000000000c R08: 0000000000000000 R09: 0000000000000000 # [ 44.259349] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082787f10 # [ 44.267624] R13: ffffffff992c8f61 R14: ffff8c7a43ede000 R15: ffffb09082787f10 # [ 44.275887] FS: 00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 44.285216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.291925] CR2: 0000000000000000 CR3: 00000001061fe001 CR4: 00000000003706e0 # [ 44.300188] Call Trace: # [ 44.303207] ? __die_body.cold+0x1a/0x1f # [ 44.307877] ? no_context.constprop.0+0x121/0x320 # [ 44.313423] ? exc_page_fault+0x4e/0x160 # [ 44.318094] ? asm_exc_page_fault+0x1e/0x30 # [ 44.323058] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.327919] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.332783] direct_entry.cold+0x2c/0x38 # [ 44.337455] full_proxy_write+0x53/0x80 # [ 44.342028] vfs_write+0xf0/0x3c0 # [ 44.346007] ksys_write+0x74/0xf0 # [ 44.349997] do_syscall_64+0x30/0x40 # [ 44.354276] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 44.360200] RIP: 0033:0x7fc1f7901240 # [ 44.364471] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 44.385750] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.394488] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240 # [ 44.402749] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001 # [ 44.411011] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 44.419272] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000 # [ 44.427533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 44.435797] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.524422] CR2: 0000000000000000 # [ 44.528412] ---[ end trace 242e5a7a3af61dd3 ]--- # [ 44.533849] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.538519] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 44.559795] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 44.565919] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.574180] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 44.582440] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 44.590700] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 44.598962] R13: ffffffff9932<6>[ 56.281066] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 56.293304] lkdtm: attempting bad refcount_dec() from saturated <4>[ 56.300227] ------------[ cut here ]------------ <4>[ 56.305682] refcount_t: decrement hit 0; leaking memory. <4>[ 56.311919] WARNING: CPU: 3 PID: 2416 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 44.60722<4>[ 56.321647] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 56.410222] CPU: 3 PID: 2416 Comm: cat Tainted: G D W 5.10.222-cip50 #1 2] FS: 00007fc1f7806740(0000) GS:ffff8c7abad80000(0000) knlGS:0<4>[ 56.419194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.432501] RIP: 0010:refcount_warn_saturate+0xfb/0x110 000000000000000 # [ 44.616551] CS: 0010 DS: 0000 ES: 0000 CR<4>[ 56.438631] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 56.466119] RSP: 0018:ffffb09082fb7e58 EFLAGS: 00010282 <4>[ 56.472248] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 56.480512] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 <4>[ 56.488776] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.497039] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082fb7f10 <4>[ 56.505304] R13: ffffffff992c9024 R14: ffff8c7a40fb8000 R15: ffffb09082fb7f10 <4>[ 56.513569] FS: 00007f712327b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 56.522901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.529629] CR2: 00007f712325a000 CR3: 0000000107b58003 CR4: 00000000003706e0 <4>[ 56.537893] Call Trace: <4>[ 56.540917] ? __warn+0x80/0x110 0: 0000000080050033 # [ 44.623257] CR2: 0000000000000000 CR3:<4>[ 56.544840] ? refcount_warn_saturate+0xfb/0x110 <4>[ 56.556495] ? report_bug+0x99/0xc0 00000001061fe001 CR4: 00000000003706e0 # [ 44.631520] BUG: s<4>[ 56.560685] ? handle_bug+0x41/0x80 leeping function called from invalid context at include/linux/pe<4>[ 56.571083] ? exc_invalid_op+0x13/0x60 <4>[ 56.581872] ? asm_exc_invalid_op+0x12/0x20 rcpu-rwsem.h:49 # [ 44.641723] in_atomic(): 0, irqs_disabled(<4>[ 56.586863] ? refcount_warn_saturate+0xfb/0x110 <4>[ 56.598516] ? refcount_warn_saturate+0xfb/0x110 <4>[ 56.603965] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 56.609706] direct_entry.cold+0x2c/0x38 <4>[ 56.614399] full_proxy_write+0x53/0x80 <4>[ 56.618999] vfs_write+0xf0/0x3c0 <4>[ 56.623038] ksys_write+0x74/0xf0 ): 1, non_block: 0, pid: 1894, name: cat # [ 44.650469] INFO:<4>[ 56.627034] do_syscall_64+0x30/0x40 <4>[ 56.637522] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 56.643454] RIP: 0033:0x7f7123376240 <4>[ 56.647736] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 56.669012] RSP: 002b:00007ffd009f61a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 56.677762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7123376240 <4>[ 56.686025] RDX: 0000000000000017 RSI: 00007f712325a000 RDI: 0000000000000001 <4>[ 56.694286] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 56.702548] R10: 00007f71232974d0 R11: 0000000000000202 R12: 00007f712325a000 <4>[ 56.710810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 56.719077] irq event stamp: 0 <4>[ 56.722807] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.730099] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 56.739528] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 56.748956] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.756248] ---[ end trace 242e5a7a3af61de2 ]--- <6>[ 56.761694] lkdtm: Saturation detected: still saturated lockdep is turned off. # [ 44.655135] irq event stamp: 0 # [ 44.658831] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.666123] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 44.675551] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 44.684980] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.692263] CPU: 3 PID: 1894 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 44.701204] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.708300] Call Trace: # [ 44.711318] dump_stack+0x77/0x9b # [ 44.715300] ___might_sleep.cold+0xa6/0xb7 # [ 44.720166] exit_signals+0x1c/0x300 # [ 44.724445] do_exit+0xbd/0xaa0 # [ 44.728241] ? ksys_write+0x74/0xf0 # [ 44.732426] make_task_dead+0x2e/0x30 # [ 44.736803] rewind_stack_and_make_dead+0x17/0x20 # [ 44.742345] RIP: 0033:0x7fc1f7901240 # [ 44.746626] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 44.767903] RSP: 002b:00007ffc48fe7808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.776651] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc1f7901240 # [ 44.784913] RDX: 000000000000000c RSI: 00007fc1f77e5000 RDI: 0000000000000001 # [ 44.793175] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 44.801437] R10: 00007fc1f78224d0 R11: 0000000000000202 R12: 00007fc1f77e5000 # [ 44.809699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 44.942814] lkdtm: Performing direct entry WRITE_RO # [ 44.954259] lkdtm: attempting bad rodata write at ffffffff98e41070 # [ 44.961483] BUG: unable to handle page fault for address: ffffffff98e41070 # [ 44.969463] #PF: supervisor write access in kernel mode # [ 44.981800] #PF: error_code(0x0003) - permissions violation # [ 44.988314] PGD b429067 P4D b429067 PUD b42a063 PMD 800000000ae000e1 # [ 44.995803] Oops: 0003 [#14] SMP PTI # [ 45.006295] CPU: 3 PID: 1930 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 45.015239] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.028550] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 45.040019] Code: 00 48 c7 c7 50 9d 2c 99 48 c7 c6 70 10 e4 98 e8 0e ee fb ff 48 8b 05 0e af 7f 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05 f8 ae 7f 01 e9 ec ed fb ff 0f 1f 44 00 00 48 8b 05 c7 a1 # [ 45.061294] RSP: 0018:ffffb0908281fe70 EFLAGS: 00010202 # [ 45.067419] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 45.075680] RDX: 00000000abcd1234 RSI: ffff8c7abad9bf50 RDI: ffffffff992c9d80 # [ 45.083941] RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 # [ 45.092203] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908281ff10 # [ 45.100463] R13: ffffffff992c8f6d R14: ffff8c7a40edd000 R15: ffffb0908281ff10 # [ 45.108725] FS: 00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 45.118055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.124761] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0 # [ 45.133023] Call Trace: # [ 45.136044] ? __die_body.cold+0x1a/0x1f # [ 45.140713] ? no_context.constprop.0+0x121/0x320 # [ 45.146250] ? exc_page_fault+0xcd/0x160 # [ 45.150920] ? asm_exc_page_fault+0x1e/0x30 # [ 45.155883] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 45.160455] direct_entry.cold+0x2c/0x38 # [ 45.165116] full_proxy_write+0x53/0x80 # [ 45.169688] vfs_write+0xf0/0x3c0 # [ 45.173680] ksys_write+0x74/0xf0 # [ 45.177685] do_syscall_64+0x30/0x40 # [ 45.181966] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 45.187897] RIP: 0033:0x7ff1a7c3c240 # [ 45.192176] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 45.213452] RSP: 002b:00007ffd8bfcf9e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 45.222202] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff1a7c3c240 # [ 45.230463] RDX: 0000000000000009 RSI: 00007ff1a7b20000 RDI: 0000000000000001 # [ 45.238724] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 # [ 45.246986] R10: 00007ff1a7b5d4d0 R11: 0000000000000202 R12: 00007ff1a7b20000 # [ 45.255249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 45.263513] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.352138] CR2: ffffffff98e41070 # [ 45.356127] ---[ end trace 242e5a7a3af61dd4 ]--- # [ 45.361573] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.366233] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 45.387511] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 45.393636] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.401897] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 45.410160] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 45.418420] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 45.426681] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 45.434945] FS: 00007ff1a7b41740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 45.444276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.450983] CR2: ffffffff98e41070 CR3: 00000001065a6002 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 45.619730] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 45.627801] lkdtm: attempting bad ro_after_init write at ffffffff99350350 # [ 45.635736] BUG: unable to handle page fault for address: ffffffff99350350 # [ 45.649902] #PF: supervisor write access in kernel mode # [ 45<6>[ 57.474312] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED .662235] #PF: error_code(0x0003) - permissions violation # [ <6>[ 57.483546] lkdtm: attempting bad refcount_dec() from saturated 45.668739] PGD b429067 P4D b429067 PUD b42a063 PMD 1061db063 PTE<4>[ 57.496703] ------------[ cut here ]------------ 800000000b350061 # [ 45.683708] Oops: 0003 [#15] SMP PTI # <4>[ 57.508358] refcount_t: saturated; leaking memory. [ 45.687989] CPU: 2 PID: 1966 Comm: cat Tainted: G D W <4>[ 57.520251] WARNING: CPU: 0 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 5.10.222-cip50 #1 # [ 45.696920] Hardware name: Google <4>[ 57.536191] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table Rammus/Rammus, BIOS 09/04/2020 # [ 45.704018] RIP: 0010:lkdt<4>[ 57.624773] CPU: 0 PID: 2452 Comm: cat Tainted: G D W 5.10.222-cip50 #1 m_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.710336] Code: 9d 2c 99<4>[ 57.639924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e9 c0 ed fb ff 48 c7 c7 d8 9d 2c 99 e8 b4 ed fb ff 48 8b 05 94 <4>[ 57.653243] RIP: 0010:refcount_warn_saturate+0x51/0x110 a1 d0 01 ba 34 12 cd ab 48 c7 c7 80 9d 2c 99 48 31 d0 <48> 89 05<4>[ 57.665585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 7e a1 d0 01 e9 92 ed fb ff 0f 1f 44 00 00 55 48 c7 c5 db # [ <4>[ 57.693114] RSP: 0018:ffffb0908301fe58 EFLAGS: 00010282 45.731623] RSP: 0018:ffffb090828afe70 EFLAGS: 00010202 # [ 4<4>[ 57.705435] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 5.737748] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000<4>[ 57.719966] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 00000000000 # [ 45.746008] RDX: 00000000abcd1234 RSI: ffff8c7<4>[ 57.734422] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 abad1bf50 RDI: ffffffff992c9d80 # [ 45.754269] RBP: 000000000<4>[ 57.748872] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908301ff10 0000014 R08: 0000000000000000 R09: 0000000000000000 # [ 45.76<4>[ 57.763369] R13: ffffffff992c903b R14: ffff8c7a424da000 R15: ffffb0908301ff10 2529] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908<4>[ 57.777838] FS: 00007fa655f13740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 28aff10 # [ 45.770791] R13: ffffffff992c8f76 R14: ffff8c7a47a<4>[ 57.793417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 a5000 R15: ffffb090828aff10 # [ 45.779053] FS: 00007f5703174<4>[ 57.806327] CR2: 00007fa655ef2000 CR3: 0000000104648006 CR4: 00000000003706f0 740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ <4>[ 57.820806] Call Trace: 45.788380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.830037] ? __warn+0x80/0x110 # [ 45.795086] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4<4>[ 57.840185] ? refcount_warn_saturate+0x51/0x110 : 00000000003706e0 # [ 45.803347] Call Trace: # [ 45.80636<4>[ 57.851816] ? report_bug+0x99/0xc0 5] ? __die_body.cold+0x1a/0x1f # [ 45.811035] ? no_context.<4>[ 57.862222] ? handle_bug+0x41/0x80 constprop.0+0x121/0x320 # [ 45.816580] ? exc_page_fault+0xcd<4>[ 57.872619] ? exc_invalid_op+0x13/0x60 /0x160 # [ 45.821249] ? asm_exc_page_fault+0x1e/0x30 # [ <4>[ 57.883420] ? asm_exc_invalid_op+0x12/0x20 45.826211] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.8318<4>[ 57.894605] ? refcount_warn_saturate+0x51/0x110 53] direct_entry.cold+0x2c/0x38 # [ 45.836523] full_proxy_w<4>[ 57.906276] ? refcount_warn_saturate+0x51/0x110 rite+0x53/0x80 # [ 45.841096] vfs_write+0xf0/0x3c0 # [ 45<4>[ 57.917928] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 .845084] ksys_write+0x74/0xf0 # [ 45.849073] do_syscall_64+<4>[ 57.929906] direct_entry.cold+0x2c/0x38 0x30/0x40 # [ 45.853352] entry_SYSCALL_64_after_hwframe+0x67<4>[ 57.940778] full_proxy_write+0x53/0x80 /0xd1 # [ 45.859282] RIP: 0033:0x7f570326f240 # [ 45.86356<4>[ 57.951588] vfs_write+0xf0/0x3c0 1] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[ 57.961786] ksys_write+0x74/0xf0 f ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00<4>[ 57.972010] do_syscall_64+0x30/0x40 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 e<4>[ 57.982505] entry_SYSCALL_64_after_hwframe+0x67/0xd1 c 28 48 89 # [ 45.884833] RSP: 002b:00007ffd9c5e2a08 EFLAGS: <4>[ 57.994665] RIP: 0033:0x7fa65600e240 00000202 ORIG_RAX: 0000000000000001 # [ 45.893571] RAX: fffff<4>[ 58.005165] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 fffffffffda RBX: 0000000000000014 RCX: 00007f570326f240 # [ 4<4>[ 58.032646] RSP: 002b:00007fffb4822e78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 5.901831] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 00000<4>[ 58.047615] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa65600e240 00000000001 # [ 45.910089] RBP: 0000000000000014 R08: 0000000<4>[ 58.062105] RDX: 0000000000000017 RSI: 00007fa655ef2000 RDI: 0000000000000001 0ffffffff R09: 0000000000000000 # [ 45.918348] R10: 00007f570<4>[ 58.076566] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 31904d0 R11: 0000000000000202 R12: 00007f5703153000 # [ 45.92<4>[ 58.091043] R10: 00007fa655f2f4d0 R11: 0000000000000202 R12: 00007fa655ef2000 6622] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[ 58.105537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0000000 # [ 45.934887] Modules linked in: fuse ip_tables cros<4>[ 58.120111] irq event stamp: 0 _ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_<4>[ 58.129989] hardirqs last enabled at (0): [<0000000000000000>] 0x0 triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btinte<4>[ 58.143529] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 l cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_l<4>[ 58.159146] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 ogger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi blu<4>[ 58.174795] softirqs last disabled at (0): [<0000000000000000>] 0x0 etooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobu<4>[ 58.188287] ---[ end trace 242e5a7a3af61de3 ]--- f2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_t<6>[ 58.199966] lkdtm: Saturation detected: still saturated hermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.023489] CR2: ffffffff99350350 # [ 46.027478] ---[ end trace 242e5a7a3af61dd5 ]--- # [ 46.032923] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.037590] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 46.058866] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 46.064982] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.073243] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 46.081496] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 46.089756] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 46.098017] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 46.106279] FS: 00007f5703174740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 46.115626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.122324] CR2: ffffffff99350350 CR3: 00000001063fc006 CR4: 00000000003706e0 # [ 46.130585] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <6>[ 58.367801] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 58.375928] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 58.383713] ------------[ cut here ]------------ <4>[ 58.389171] refcount_t: saturated; leaking memory. <4>[ 58.394834] WARNING: CPU: 2 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 # [ 46.140789] in_atomic(): 0, irqs_disabled(): 1, non_block:<4>[ 58.404560] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 58.493174] CPU: 2 PID: 2485 Comm: cat Tainted: G D W 5.10.222-cip50 #1 0, pid: 1966, name: cat # [ 46.149536] INFO: lockdep is turn<4>[ 58.502149] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ed off. # [ 46.154203] irq event stamp: 0 # [ 46.157899] h<4>[ 58.515459] RIP: 0010:refcount_warn_saturate+0x74/0x110 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46<4>[ 58.527801] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 <4>[ 58.555295] RSP: 0018:ffffb09083097e48 EFLAGS: 00010286 <4>[ 58.561457] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 58.569776] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 .165189] hardirqs last disabled at (0): [] cop<4>[ 58.578054] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.592525] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083097f10 <4>[ 58.600787] R13: ffffffff992c8c68 R14: ffff8c7a459ce000 R15: ffffb09083097f10 <4>[ 58.609051] FS: 00007fb90e8d4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 58.618385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.625097] CR2: 00007fb90e8b3000 CR3: 0000000104e1e006 CR4: 00000000003706e0 <4>[ 58.633361] Call Trace: <4>[ 58.636403] ? __warn+0x80/0x110 y_process+0x6e1/0x2190 # [ 46.174624] softirqs last enabled <4>[ 58.640306] ? refcount_warn_saturate+0x74/0x110 <4>[ 58.651965] ? report_bug+0x99/0xc0 <4>[ 58.656176] ? handle_bug+0x41/0x80 <4>[ 58.660391] ? exc_invalid_op+0x13/0x60 <4>[ 58.664968] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.669973] ? refcount_warn_saturate+0x74/0x110 at (0): [] copy_process+0x6e1/0x2190 # [ 46<4>[ 58.675432] ? refcount_warn_saturate+0x74/0x110 <4>[ 58.687089] __refcount_add_not_zero.constprop.0+0x26/0x31 <4>[ 58.693509] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3c/0x74 <4>[ 58.700148] direct_entry.cold+0x2c/0x38 <4>[ 58.704847] full_proxy_write+0x53/0x80 <4>[ 58.709452] vfs_write+0xf0/0x3c0 <4>[ 58.713466] ksys_write+0x74/0xf0 <4>[ 58.717482] do_syscall_64+0x30/0x40 <4>[ 58.721787] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 58.727746] RIP: 0033:0x7fb90e9cf240 <4>[ 58.732053] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 58.753354] RSP: 002b:00007ffc466c2b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 58.762128] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb90e9cf240 <4>[ 58.770392] RDX: 0000000000000020 RSI: 00007fb90e8b3000 RDI: 0000000000000001 <4>[ 58.778675] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 .184051] softirqs last disabled at (0): [<0000000000000000>] 0x0<4>[ 58.786941] R10: 00007fb90e8f04d0 R11: 0000000000000202 R12: 00007fb90e8b3000 # [ 46.191341] CPU: 2 PID: 1966 Comm: cat Tainted: G D <4>[ 58.801422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 58.815921] irq event stamp: 0 W 5.10.222-cip50 #1 # [ 46.200280] Hardware name: Goo<4>[ 58.819632] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.833135] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 58.842589] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 58.852050] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.859343] ---[ end trace 242e5a7a3af61de4 ]--- <6>[ 58.864791] lkdtm: Saturation detected: still saturated gle Rammus/Rammus, BIOS 09/04/2020 # [ 46.207375] Call Trace: # [ 46.210393] dump_stack+0x77/0x9b # [ 46.214383] ___might_sleep.cold+0xa6/0xb7 # [ 46.219247] exit_signals+0x1c/0x300 # [ 46.223527] do_exit+0xbd/0xaa0 # [ 46.227322] ? ksys_write+0x74/0xf0 # [ 46.231507] make_task_dead+0x2e/0x30 # [ 46.235883] rewind_stack_and_make_dead+0x17/0x20 # [ 46.241425] RIP: 0033:0x7f570326f240 # [ 46.245705] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 46.266979] RSP: 002b:00007ffd9c5e2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 46.275727] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f570326f240 # [ 46.283986] RDX: 0000000000000014 RSI: 00007f5703153000 RDI: 0000000000000001 # [ 46.292245] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 46.300507] R10: 00007f57031904d0 R11: 0000000000000202 R12: 00007f5703153000 # [ 46.308767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 46.504814] lkdtm: Performing direct entry WRITE_KERN # [ 46.515703] lkdtm: attempting bad 7015451 byte write at ffffffff976460db # [ 46.529706] BUG: unable to handle page fault for address: ffffffff976460db # [ 46.543886] #PF: supervisor write access in kernel mode # [ 46.550013] #PF: error_code(0x0003) - permissions violation # [ 46.556527] PGD b429067 P4D b429067 PUD b42a063 PMD 96000e1 # [ 46.563141] Oops: 0003 [#16] SMP PTI # [ 46.573635] CPU: 1 PID: 2002 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 46.582578] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.595894] RIP: 0010:lkdtm_WRITE_KERN+0x37/0x4c # [ 46.601341] Code: 48 c7 c7 10 9e 2c 99 53 48 89 eb 48 89 ea 48 81 eb c0 54 f9 96 48 89 de e8 68 ed fb ff 48 89 ef 48 89 d9 48 c7 c6 c0 54 f9 96 a4 48 c7 c7 80 9d 2c 99 e8 4d ed fb ff 5b 5d e9 b8 fe ff ff 0f # [ 46.628833] RSP: 0018:ffffb0908295fe60 EFLAGS: 000102<6>[ 59.086522] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 59.097633] lkdtm: attempting bad refcount_add_not_zero() from saturated 46 # [ 46.634956] RAX: 000000000000003c RBX: 00000000006b0c1b<4>[ 59.105423] ------------[ cut here ]------------ <4>[ 59.117072] refcount_t: saturated; leaking memory. <4>[ 59.122744] WARNING: CPU: 3 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 RCX: 00000000006b0c1b # [ 46.643217] RDX: 0000000000000000 R<4>[ 59.132474] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 59.221049] CPU: 3 PID: 2518 Comm: cat Tainted: G D W 5.10.222-cip50 #1 SI: ffffffff96f954c0 RDI: ffffffff976460db # [ 46.651477] RBP<4>[ 59.230020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 59.243327] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 59.249454] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 <4>[ 59.270730] RSP: 0018:ffffb09083167e48 EFLAGS: 00010286 <4>[ 59.276858] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 59.285121] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 <4>[ 59.293384] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.301648] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083167f10 <4>[ 59.309912] R13: ffffffff992c8c88 R14: ffff8c7a47fe7000 R15: ffffb09083167f10 <4>[ 59.318175] FS: 00007f490a605740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 59.327507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.334214] CR2: 00007f490a5e4000 CR3: 0000000106494005 CR4: 00000000003706e0 <4>[ 59.342476] Call Trace: <4>[ 59.345500] ? __warn+0x80/0x110 <4>[ 59.349425] ? refcount_warn_saturate+0x74/0x110 <4>[ 59.354873] ? report_bug+0x99/0xc0 <4>[ 59.359059] ? handle_bug+0x41/0x80 <4>[ 59.363267] ? exc_invalid_op+0x13/0x60 <4>[ 59.367842] ? asm_exc_invalid_op+0x12/0x20 <4>[ 59.372809] ? refcount_warn_saturate+0x74/0x110 : ffffffff976460db R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.378286] ? refcount_warn_saturate+0x74/0x110 # [ 46.659737] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12<4>[ 59.389939] __refcount_add_not_zero.constprop.0+0x26/0x31 : ffffb0908295ff10 # [ 46.667999] R13: ffffffff992c8f8a R14: <4>[ 59.402579] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3c/0x74 <4>[ 59.415407] direct_entry.cold+0x2c/0x38 <4>[ 59.420112] full_proxy_write+0x53/0x80 <4>[ 59.424720] vfs_write+0xf0/0x3c0 <4>[ 59.428721] ksys_write+0x74/0xf0 <4>[ 59.432744] do_syscall_64+0x30/0x40 <4>[ 59.437031] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 59.443021] RIP: 0033:0x7f490a700240 ffff8c7a48616000 R15: ffffb0908295ff10 # [ 46.676260] FS: 00<4>[ 59.447321] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 59.474801] RSP: 002b:00007ffd39706358 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 59.483553] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f490a700240 <4>[ 59.491818] RDX: 0000000000000020 RSI: 00007f490a5e4000 RDI: 0000000000000001 <4>[ 59.500083] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 59.508348] R10: 00007f490a6214d0 R11: 0000000000000202 R12: 00007f490a5e4000 <4>[ 59.516631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:00000000000<4>[ 59.524912] irq event stamp: 0 <4>[ 59.534817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.542113] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 59.551544] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 59.560975] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.568270] ---[ end trace 242e5a7a3af61de5 ]--- <6>[ 59.573718] lkdtm: Saturation detected: still saturated 00000 # [ 46.685590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.692297] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0 # [ 46.700558] Call Trace: # [ 46.703579] ? __die_body.cold+0x1a/0x1f # [ 46.708250] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.720201] ? no_context.constprop.0+0x121/0x320 # [ 46.725745] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.737692] ? exc_page_fault+0xcd/0x160 # [ 46.742354] ? asm_exc_page_fault+0x1e/0x30 # [ 46.747316] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.759267] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 46.764423] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.776375] ? lkdtm_WRITE_KERN+0x37/0x4c # [ 46.781134] direct_entry.cold+0x2c/0x38 # [ 46.785806] full_proxy_write+0x53/0x80 # [ 46.790380] vfs_write+0xf0/0x3c0 # [ 46.800580] ksys_write+0x74/0xf0 # [ 46.804569] do_syscall_64+0x30/0x40 # [ 46.808851] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 46.814784] RIP: 0033:0x7f65ffc16240 # [ 46.819055] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 46.840334] RSP: 002b:00007ffef04d4268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 46.849082] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f65ffc16240 # [ 46.857345] RDX: 000000000000000b RSI: 00007f65ffafa000 RDI: 0000000000000001 # [ 46.865617] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 46.873884] R10: 00007f65ffb374d0 R11: 0000000000000202 R12:<6>[ 59.740705] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 59.749677] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 59.757491] ------------[ cut here ]------------ 00007f65ffafa000 # [ 46.882146] R13: 0000000000000001 R14: 0<4>[ 59.762970] refcount_t: underflow; use-after-free. 000000000020000 R15: 0000000000000000 # [ 46.890403] Modules <4>[ 59.774830] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros<4>[ 59.790754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 59.879375] CPU: 3 PID: 2554 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 59.888341] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 59.895441] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 59.901568] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 59.922841] RSP: 0018:ffffb090831efe50 EFLAGS: 00010286 <4>[ 59.928968] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 59.937232] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 <4>[ 59.945496] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.953760] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090831eff10 <4>[ 59.962024] R13: ffffffff992c8ca8 R14: ffff8c7a44dbd000 R15: ffffb090831eff10 <4>[ 59.970288] FS: 00007f43542d2740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 <4>[ 59.979630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.986341] CR2: 00007f43542b1000 CR3: 00000001067ca005 CR4: 00000000003706e0 <4>[ 59.994622] Call Trace: <4>[ 59.997647] ? __warn+0x80/0x110 <4>[ 60.001547] ? refcount_warn_saturate+0xba/0x110 <4>[ 60.006999] ? report_bug+0x99/0xc0 <4>[ 60.011204] ? handle_bug+0x41/0x80 <4>[ 60.015420] ? exc_invalid_op+0x13/0x60 <4>[ 60.019995] ? asm_exc_invalid_op+0x12/0x20 <4>[ 60.024960] ? refcount_warn_saturate+0xba/0x110 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr<4>[ 60.030438] __refcount_sub_and_test.constprop.0+0x34/0x40 <4>[ 60.043065] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3c/0x74 ialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhu<4>[ 60.049681] direct_entry.cold+0x2c/0x38 b cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_cha<4>[ 60.060567] full_proxy_write+0x53/0x80 <4>[ 60.071357] vfs_write+0xf0/0x3c0 <4>[ 60.075379] ksys_write+0x74/0xf0 <4>[ 60.079369] do_syscall_64+0x30/0x40 <4>[ 60.083655] entry_SYSCALL_64_after_hwframe+0x67/0xd1 rger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2<4>[ 60.089631] RIP: 0033:0x7f43543cd240 _vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v<4>[ 60.100132] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdr<4>[ 60.127638] RSP: 002b:00007fffad71cb48 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 v intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 wa<4>[ 60.142607] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f43543cd240 tchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_com<4>[ 60.157086] RDX: 0000000000000020 RSI: 00007f43542b1000 RDI: 0000000000000001 <4>[ 60.171570] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 press idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c<4>[ 60.179839] R10: 00007f43542ee4d0 R11: 0000000000000202 R12: 00007f43542b1000 elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbp<4>[ 60.194322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 d_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint c<4>[ 60.208810] irq event stamp: 0 ros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.9<4>[ 60.218726] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 60.232240] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 79005] CR2: ffffffff976460db # [ 46.982995] ---[ end trace 24<4>[ 60.241674] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 2e5a7a3af61dd6 ]--- <4>[ 60.257316] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 60.266651] ---[ end trace 242e5a7a3af61de6 ]--- # [ 46.988434] RIP: 0010:lkdtm_BUG+0x5/0x10<6>[ 60.272102] lkdtm: Saturation detected: still saturated # [ 46.993104] Code: ff ff ff eb e0 48 c7 c0 f4 ff ff ff eb d7 48 c7 c0 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 dd c6 03 # [ 47.014382] RSP: 0018:ffffb0908147fe70 EFLAGS: 00010286 # [ 47.020500] RAX: ffffffff96f95100 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.028764] RDX: 0000000000000000 RSI: ffff8c7abad1bf50 RDI: ffffffff98e40bf0 # [ 47.037018] RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000001 # [ 47.045281] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908147ff10 # [ 47.053543] R13: ffffffff9932fce0 R14: ffff8c7a4628c000 R15: ffffb0908147ff10 # [ 47.061806] FS: 00007f65ffb1b740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 47.071128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.077835] CR2: ffffffff976460db CR3: 0000000106180004 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 47.231433] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 47.242277] lkdtm: attempting good refcount_inc() without overflow # [ 47.249508] lkdtm: attempting bad refcount_inc() overflow # [ 47.262034] ------------[ cut here ]------------ # [ 47.267487] refcount_t: saturated; leaking memory. # [ 47.273157] WARNING: CPU: 2 PID: 2038 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.282886] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.371463] CPU: 2 PID: 2038 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 47.380442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.393758] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.406101] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 # [ 47.433617] RSP: 0018:ffffb090829f7e58 EFLAGS: 00010282 # [ 47.439748] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 47.454222] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 47.462493] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 # [ 47.470790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090829f7f10 # [ 47.479079] R13: ffffffff992c8f95 R14: ffff8c7a47b0e000 R15: ffffb090829f7f10 # [ 47.487346] FS: 00007f63cbb08740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 47.496681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.503392] CR2: 00007f63cbae7000 CR3: 00000001032f2003 CR4: 00000000003706e0 # [ 47.511676] Call Trace: # [ 47.514719] ? __warn+0x80/0x110 # [ 47.518624] ? refcount_warn_saturate+0x51/0x110 # [ 47.530285] ? report_bug+0x99/0xc0 # [ 47.534505] ? handle_bug+0x41/0x80 # [ 47.538722] ? exc_invalid_op+0x13/0x60 # [ 47.543299] ? asm_exc_invalid_op+0x12/0x20 # [ 47.548315] ? refcount_warn_saturate+0x51/0x110 # [ 47.553776] ? refcount_warn_saturate+0x51/0x110 # [ 47.565434] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 47.571078] direct_entry.cold+0x2c/0x38 # [ 47.575783] full_proxy_write+0x53/0x80 # [ 47.580392] vfs_write+0xf0/0x3c0 # [ 47.584415] ksys_write+0x74/0xf0 # [ 47.588432] do_syscall_64+0x30/0x40 # [ 47.592747] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 47.598685] RIP: 0033:0x7f63cbc03240 # [ 47.609185] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 47.636686] RSP: 002b:00007ffcaf8cf138 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 47.645470] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f63cbc03240 # [ 47.653737] RDX: 0000000000000016 RSI: 00007f63cbae7000 RDI: 0000000000000001 # [ 47.662004] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.670272] R10: 00007f63cbb244d0 R11: 0000000000000202 R12: 00007f63cbae7000 # [ 47.678539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.693027] irq event stamp: 0 # [ 47.696746] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.710252] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 47.719716] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 47.729147] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.736441] ---[ end trace 242e5a7a3af61dd7 ]--- # [ 47.741890] 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 # [ 47.881239] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 47.891272] lkdtm: attempting <6>[ 60.852731] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 60.861257] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 60.869043] ------------[ cut here ]------------ <4>[ 60.874522] refcount_t: underflow; use-after-free. <4>[ 60.880191] WARNING: CPU: 2 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 good refcount_add() without overflow # [ 47.904710] lkdtm: at<4>[ 60.889917] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 60.978509] CPU: 2 PID: 2590 Comm: cat Tainted: G D W 5.10.222-cip50 #1 tempting bad refcount_add() overflow # [ 47.917253] ---------<4>[ 60.987465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 61.000773] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 61.006901] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 61.028178] RSP: 0018:ffffb09083277e50 EFLAGS: 00010286 <4>[ 61.034305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 61.042572] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 <4>[ 61.050834] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 <4>[ 61.059097] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083277f10 <4>[ 61.067362] R13: ffffffff992c8cc8 R14: ffff8c7a47b08000 R15: ffffb09083277f10 <4>[ 61.075630] FS: 00007f21e3f78740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 <4>[ 61.084963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 61.091676] CR2: 00007f21e3f57000 CR3: 0000000100e76002 CR4: 00000000003706e0 <4>[ 61.099939] Call Trace: <4>[ 61.102961] ? __warn+0x80/0x110 <4>[ 61.106888] ? refcount_warn_saturate+0xba/0x110 <4>[ 61.112338] ? report_bug+0x99/0xc0 <4>[ 61.116549] ? handle_bug+0x41/0x80 <4>[ 61.120759] ? exc_invalid_op+0x13/0x60 ---[ cut here ]------------ # [ 47.928896] refcount_t: satura<4>[ 61.125340] ? asm_exc_invalid_op+0x12/0x20 ted; leaking memory. # [ 47.940771] WARNING: CPU: 0 PID: 2071<4>[ 61.136519] ? refcount_warn_saturate+0xba/0x110 <4>[ 61.148181] __refcount_sub_and_test.constprop.0+0x34/0x40 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 4<4>[ 61.154627] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3c/0x74 <4>[ 61.167453] direct_entry.cold+0x2c/0x38 7.956698] Modules linked in: fuse ip_tables cros_ec_lid_angle cr<4>[ 61.172154] full_proxy_write+0x53/0x80 <4>[ 61.182937] vfs_write+0xf0/0x3c0 <4>[ 61.186975] ksys_write+0x74/0xf0 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer<4>[ 61.190982] do_syscall_64+0x30/0x40 <4>[ 61.201470] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 61.207404] RIP: 0033:0x7f21e4073240 <4>[ 61.211687] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 61.232964] RSP: 002b:00007fff4e5ceeb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 61.241714] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21e4073240 <4>[ 61.249978] RDX: 0000000000000020 RSI: 00007f21e3f57000 RDI: 0000000000000001 <4>[ 61.258241] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 61.266504] R10: 00007f21e3f944d0 R11: 0000000000000202 R12: 00007f21e3f57000 <4>[ 61.274768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 61.283035] irq event stamp: 0 <4>[ 61.286764] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 61.294059] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 61.303488] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 <4>[ 61.312916] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 61.320208] ---[ end trace 242e5a7a3af61de7 ]--- <6>[ 61.325658] lkdtm: Saturation detected: still saturated kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.045304] CPU: 0 PID: 2071 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 48.060537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.073783] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.086149] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 # [ 48.113670] RSP: 0018:ffffb09082a4fe58 EFLAGS: 00010282 # [ 48.126042] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 48.140483] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 48.154977] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 # [ 48.169453] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082a4ff10 # [ 48.183946] R13: ffffffff992c8fab R14: ffff8c7a42afe000 R15: ffffb09082a4ff10 # [ 48.198417] FS: 00007f043e4c0740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 48.213993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.226906] CR2: 00007f043e49f000 CR3: 000000010732e002 CR4: 00000000003706f0 # [ 48.241408] Call Trace: # [ 48.250645] ? __warn+0x80/0x110 # [ 48.260776] ? refcount_warn_saturate+0x51/0x110 # [ 48.272414] ? report_bug+0x99/0xc0 # [ 48.282833] ? handle_bug+0x41/0x80 # [ 48.293224] ? <6>[ 61.535440] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 61.543941] lkdtm: attempting good copy_to_user of correct size <6>[ 61.550851] lkdtm: attempting bad copy_to_user of too large size exc_invalid_op+0x13/0x60 # [ 48.304036] ? asm_exc_invalid_op+0x12/0x20 # [ 48.315203] ? refcount_warn_saturate+0x51/0x110 # [ 48.326888] ? refcount_warn_saturate+0x51/0x110 # [ 48.338539] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 48.350451] direct_entry.cold+0x2c/0x38 # [ 48.361298] full_proxy_write+0x53/0x80 # [ 48.372098] vfs_write+0xf0/0x3c0 # [ 48.382291] ksys_write+0x74/0xf0 # [ 48.392510] do_syscall_64+0x30/0x40 # [ 48.403009] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 48.415157] RIP: 0033:0x7f043e5bb240 # [ 48.425684] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 48.453181] RSP: 002b:00007ffcc8558f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 48.468161] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f043e5bb240 # [ 48.482637] RDX: 0000000000000016 RSI: 00007f043e49f000 RDI: 0000000000000001 # [ 48.497145] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 48.511623] R10: 00007f043e4dc4d0 R11: 0000000000000202 R12: 00007f043e49f000 # [ 48.526106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 48.540585] irq event stamp: 0 # [ 48.550497] h<6>[ 61.686293] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48<6>[ 61.695715] lkdtm: attempting good copy_from_user of correct size .564015] hardirqs last disabled at (0): [] cop<6>[ 61.709059] lkdtm: attempting bad copy_from_user of too large size y_process+0x6e1/0x2190 # [ 48.579642] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 48.595317] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.608845] ---[ end trace 242e5a7a3af61dd8 ]--- # [ 48.620516] 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 # [ 48.783887] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 48.795539] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 48.808983] ------------[ cut here ]------------ # [ 48.820663] refcount_t: saturated; leaking memory. # [ 48.832516] WARNING: CPU: 0 PID: 2104 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 # [ 48.848490] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_so<6>[ 61.848990] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 61.860491] lkdtm: attempting good copy_to_user inside whitelist <6>[ 61.867538] lkdtm: attempting bad copy_to_user outside whitelist c_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.937049] CPU: 0 PID: 2104 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 48.952258] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.965557] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.977893] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 # [ 49.005363] RSP: 0018:ffffb09082abfe48 EFLAGS: 00010286 # [ 49.017720] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.032181] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 49.046683] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 # [ 49.061144] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082abff10 # [ 49.075686] R13: ffffffff992c8be8 R14: ffff8c7a42b08000 R15: ffffb09082abff10 # [ 49.090122] FS: 00007fc28919a740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 49.105721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.118654] CR2: 00007fc289179000 CR3: 0000000106136006 <6>[ 62.016366] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 62.025196] lkdtm: attempting good copy_from_user inside whitelist CR4: 00000000003706f0 # [ 49.133148] Call Trace: # [ 49.14<6>[ 62.032411] lkdtm: attempting bad copy_from_user outside whitelist 2374] ? __warn+0x80/0x110 # [ 49.152506] ? refcount_warn_saturate+0x74/0x110 # [ 49.164158] ? report_bug+0x99/0xc0 # [ 49.174582] ? handle_bug+0x41/0x80 # [ 49.184990] ? exc_invalid_op+0x13/0x60 # [ 49.195853] ? asm_exc_invalid_op+0x12/0x20 # [ 49.207023] ? refcount_warn_saturate+0x74/0x110 # [ 49.218700] ? refcount_warn_saturate+0x74/0x110 # [ 49.230357] __refcount_add_not_zero.constprop.0+0x26/0x31 # [ 49.243047] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3c/0x74 # [ 49.255755] direct_entry.cold+0x2c/0x38 # [ 49.266688] full_proxy_write+0x53/0x80 # [ 49.277471] vfs_write+0xf0/0x3c0 # [ 49.287768] ksys_write+0x74/0xf0 # [ 49.297967] do_syscall_64+0x30/0x40 # [ 49.308507] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 49.320640] RIP: 0033:0x7fc289295240 # [ 49.331151] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 49.358645] RSP: 002b:00007ffecc46a9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.373684] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc289295240 # [ 49.388141] RDX: 000000000000001f RSI: 00007fc289179000 RDI: 0000000000000001 # [ 49.402679] RBP: 000000000000001f R08: 00<6>[ 62.174823] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 000000ffffffff R09: 0000000000000000 # [ 49.417159] R10: 0000<6>[ 62.183703] lkdtm: good_stack: ffffb09083637e28-ffffb09083637e48 7fc2891b64d0 R11: 0000000000000202 R12: 00007fc289179000 # [ <6>[ 62.196914] lkdtm: bad_stack : ffffb09083637db0-ffffb09083637dd0 49.431679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000<6>[ 62.210161] lkdtm: attempting good copy_to_user of local stack 000000000000 # [ 49.446158] irq event stamp: 0 # [ 49.4561<6>[ 62.223142] lkdtm: attempting bad copy_to_user of distant stack 32] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.469619] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 49.485296] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 49.500940] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.514484] ---[ end trace 242e5a7a3af61dd9 ]--- # [ 49.526142] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 49.671440] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 49.682562] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 49.695976] ------------[ cut here ]------------ # [ 49.707641] refcount_t: saturated; leaking memory. # [ 49.719531] WARNING: CPU: 1 PID: 2137 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 # [ 49.735443] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt video<6>[ 62.366440] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM buf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor<6>[ 62.374227] lkdtm: good_stack: ffffb090836efe28-ffffb090836efe48 _thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_tem<6>[ 62.387450] lkdtm: bad_stack : ffffb090836efdb0-ffffb090836efdd0 p_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_c<6>[ 62.400679] lkdtm: attempting good copy_from_user of local stack ore iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_d<6>[ 62.413866] lkdtm: attempting bad copy_from_user of distant stack ts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.824037] CPU: 1 PID: 2137 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 49.839198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.852515] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 49.864858] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 # [ 49.892359] RSP: 0018:ffffb09082b8fe48 EFLAGS: 00010286 # [ 49.904703] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.919210] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 # [ 49.933678] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 # [ 49.948157] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082b8ff10 # [ 49.956424] R13: ffffffff992c8c08 R14: ffff8c7a42bf7000 R15: ffffb09082b8ff10 # [ 49.970899] FS: 00007f89f7be1740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 49.980235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.993156] CR2: 00007f89f7bc0000<6>[ 62.556720] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 62.564705] lkdtm: good_stack: ffffb0908374fe28-ffffb0908374fe48 <6>[ 62.571712] lkdtm: bad_stack : ffffb0908374fff8-ffffb09083750018 CR3: 000000010653e001 CR4: 00000000003706e0 # [ 50.001425] C<6>[ 62.578784] lkdtm: attempting good copy_to_user of local stack <6>[ 62.591806] lkdtm: attempting bad copy_to_user of distant stack <4>[ 62.598767] lkdtm: copy_to_user failed, but lacked Oops all Trace: # [ 50.010700] ? __warn+0x80/0x110 # [ 50.020808] ? refcount_warn_saturate+0x74/0x110 # [ 50.032477] ? report_bug+0x99/0xc0 # [ 50.042879] ? handle_bug+0x41/0x80 # [ 50.053279] ? exc_invalid_op+0x13/0x60 # [ 50.064071] ? asm_exc_invalid_op+0x12/0x20 # [ 50.075270] ? refcount_warn_saturate+0x74/0x110 # [ 50.086916] ? refcount_warn_saturate+0x74/0x110 # [ 50.098583] __refcount_add_not_zero.constprop.0+0x26/0x31 # [ 50.111220] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3c/0x74 # [ 50.123956] direct_entry.cold+0x2c/0x38 # [ 50.134849] full_proxy_write+0x53/0x80 # [ 50.145639] vfs_write+0xf0/0x3c0 # [ 50.155846] ksys_write+0x74/0xf0 # [ 50.166053] do_syscall_64+0x30/0x40 # [ 50.176553] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 50.188703] RIP: 0033:0x7f89f7cdc240 # [ 50.199201] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 50.220485] RSP: 002b:00007ffc67b15c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 50.235443] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f89f7cdc240 # [ 50.249922] RDX: 000000000000001f RSI: 00007f89f7bc0000 RDI: 0000000000000001 # [ 50.258188] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [<6>[ 62.736840] lkdtm: Performing direct entry USERCOPY_KERNEL 50.272671] R10: 00007f89f7bfd4d0 R11: 0000000000000202 R12: 0<6>[ 62.748334] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98e41090 <6>[ 62.763488] lkdtm: attempting bad copy_to_user from kernel text: ffffffff966ea600 <3>[ 62.772149] lkdtm: FAIL: survived bad copy_to_user() 0007f89f7bc0000 # [ 50.280938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.295418] irq event stamp: 0 # [ 50.305332] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.312630] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 50.328271] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 50.343916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.351236] ---[ end trace 242e5a7a3af61dda ]--- # [ 50.362895] 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 # [ 50.506744] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 50.517855] lkdtm: attempting good refcount_dec() # [ 50.529616] lkdtm: attempting bad refcount_dec() to zero # [ 50.542050] ------------[ cut here ]------------ # [ 50.553711] refcount_t: decrement hit 0; leaking memory. # [ 50.566165] WARNING: CPU: 1 PID: 2170 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.582090] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_deb<6>[ 62.906556] lkdtm: Performing direct entry STACKLEAK_ERASING ugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec<6>[ 62.915185] lkdtm: checking unused part of the thread stack (15944 bytes)... _sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvid<3>[ 62.929606] lkdtm: FAIL: the erased part is not found (checked 15944 bytes) eo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecd<3>[ 62.943914] lkdtm: FAIL: the thread stack is NOT properly erased h_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device<4>[ 62.957192] CPU: 0 PID: 2967 Comm: cat Tainted: G D W 5.10.222-cip50 #1 <4>[ 62.972263] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 62.979359] Call Trace: <4>[ 62.982382] dump_stack+0x77/0x9b <4>[ 62.986375] lkdtm_STACKLEAK_ERASING+0x113/0x141 <4>[ 62.991822] direct_entry.cold+0x2c/0x38 <4>[ 62.996498] full_proxy_write+0x53/0x80 <4>[ 63.001079] vfs_write+0xf0/0x3c0 <4>[ 63.005068] ksys_write+0x74/0xf0 <4>[ 63.009050] do_syscall_64+0x30/0x40 <4>[ 63.013331] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 63.019255] RIP: 0033:0x7f95587bb240 <4>[ 63.023534] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 63.044812] RSP: 002b:00007ffdbe5645b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 63.053562] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f95587bb240 <4>[ 63.061824] RDX: 0000000000000012 RSI: 00007f955869f000 RDI: 0000000000000001 <4>[ 63.070086] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 63.078349] R10: 00007f95586dc4d0 R11: 0000000000000202 R12: 00007f955869f000 <4>[ 63.086624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.670690] CPU: 1 PID: 2170 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 50.685848] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.699161] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.711505] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.739002] RSP: 0018:ffffb09082c0fe58 EFLAGS: 00010282 # [ 50.751346] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 50.765827] RDX: ffff8c7abacac620 RSI: ffff8c7abac9bf50 RDI: ffff8c7abac9bf50 # [ 50.780309] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 # [ 50.794790] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082c0ff10 # [ 50.809271] R13: ffffffff992c8fc1 R14: ffff8c7a47383000 R15: ffffb09082c0ff10 # [ 50.823755] FS: 00007f93abce8740(0000) GS:ffff8c7abac80000(0000) knlGS:0000000000000000 # [ 50.839305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.852234] CR2: 00007f93abcc7000 CR3: 000000010<6>[ 63.240384] lkdtm: Performing direct entry CFI_FORWARD_PROTO 6484005 CR4: 00000000003706e0 # [ 50.866717] Call Trace: # [<6>[ 63.250716] lkdtm: Calling matched prototype ... 50.875960] ? __warn+0x80/0x110 # [ 50.886067] ? refcount<6>[ 63.262384] lkdtm: Calling mismatched prototype ... _warn_saturate+0xfb/0x110 # [ 50.897736] ? report_bug+0x99/0<6>[ 63.274356] lkdtm: Fail: survived mismatched prototype function call! xc0 # [ 50.908141] ? handle_bug+0x41/0x80 # [ 50.918541] ? exc_invalid_op+0x13/0x60 # [ 50.929334] ? asm_exc_invalid_op+0x12/0x20 # [ 50.940517] ? refcount_warn_saturate+0xfb/0x110 # [ 50.952178] ? refcount_warn_saturate+0xfb/0x110 # [ 50.963841] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 50.975314] direct_entry.cold+0x2c/0x38 # [ 50.986204] full_proxy_write+0x53/0x80 # [ 50.996996] vfs_write+0xf0/0x3c0 # [ 51.007202] ksys_write+0x74/0xf0 # [ 51.017412] do_syscall_64+0x30/0x40 # [ 51.027913] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 51.040064] RIP: 0033:0x7f93abde3240 # [ 51.050563] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 51.078061] RSP: 002b:00007ffef8e95378 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.093030] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f93abde3240 # [ 51.107513] RDX: 0000000000000012 RSI: 00007f93abcc7000 RDI: 0000000000000001 # [ 51.121994] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.130264] R10: 00007f93abd044d0 R11: 0000000000000202 R12: 00007f93abcc7000 # [ 51.144747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 51.153021] irq event stamp: 0 # [ 51.162929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.176439] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 51.185873] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 51.200834] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.208156] ---[ end trace 242e5a7a3af61ddb ]--- # [ 51.219818] 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 # [ 51.371457] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 51.384536] lkdtm: attempting bad refcount_dec() below zero # [ 51.397291] ------------[ cut here ]------------ # [ 51.408951] refcount_t: decrement hit 0; leaking memory. # [ 51.421441] WARNING: CPU: 0 PID: 2206 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.437346] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.525968] CPU: 0 PID: 2206 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 51.541082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.554394] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.566737] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.594224] RSP: 0018:ffffb09082cafe58 EFLAGS: 00010282 # [ 51.606580] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 51.621049] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 51.635551] RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000 # [ 51.650014] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082caff10 # [ 51.664518] R13: ffffffff992c8fd3 R14: ffff8c7a470ae000 R15: ffffb09082caff10 # [ 51.678984] FS: 00007f67b5143740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 51.694548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.707457] CR2: 00007f67b5122000 CR3: 0000000107d86003 CR4: 00000000003706f0 # [ 51.721967] Call Trace: # [ 51.731193] ? __warn+0x80/0x110 # [ 51.741308] ? refcount_warn_saturate+0xfb/0x110 # [ 51.752970] ? report_bug+0x99/0xc0 # [ 51.763381] ? handle_bug+0x41/0x80 # [ 51.773771] ? exc_invalid_op+0x13/0x60 # [ 51.784589] ? asm_exc_invalid_op+0x12/0x20 # [ 51.795752] ? refcount_warn_saturate+0xfb/0x110 # [ 51.807401] ? refcount_warn_saturate+0xfb/0x110 # [ 51.819099] lkdtm_REFCOUNT_DEC_NEGATIVE+0x35/0x5f # [ 51.830944] direct_entry.cold+0x2c/0x38 # [ 51.841833] full_proxy_write+0x53/0x80 # [ 51.852669] vfs_write+0xf0/0x3c0 # [ 51.862876] ksys_write+0x74/0xf0 # [ 51.873084] do_syscall_64+0x30/0x40 # [ 51.883595] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 51.895725] RIP: 0033:0x7f67b523e240 # [ 51.906253] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 51.933776] RSP: 002b:00007ffeece446b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.948741] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f67b523e240 # [ 51.963216] RDX: 0000000000000016 RSI: 00007f67b5122000 RDI: 0000000000000001 # [ 51.977713] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.992200] R10: 00007f67b515f4d0 R11: 0000000000000202 R12: 00007f67b5122000 # [ 52.006693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.021165] irq event stamp: 0 # [ 52.031083] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.044587] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 52.060239] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 52.075905] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.089422] ---[ end trace 242e5a7a3af61ddc ]--- # [ 52.101106] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 52.279690] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 52.288324] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 52.295722] ------------[ cut here ]------------ # [ 52.301179] refcount_t: underflow; use-after-free. # [ 52.306879] WARNING: CPU: 2 PID: 2242 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.316606] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.405191] CPU: 2 PID: 2242 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 52.414167] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.421267] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.427397] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 # [ 52.448675] RSP: 0018:ffffb09082cf7e50 EFLAGS: 00010286 # [ 52.454805] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 52.463071] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 52.471337] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 # [ 52.479619] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082cf7f10 # [ 52.487894] R13: ffffffff992c8c28 R14: ffff8c7a4628f000 R15: ffffb09082cf7f10 # [ 52.502374] FS: 00007f21ba6c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 52.511731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.518441] CR2: 00007f21ba6a3000 CR3: 0000000102bd2001 CR4: 00000000003706e0 # [ 52.526706] Call Trace: # [ 52.529730] ? __warn+0x80/0x110 # [ 52.533653] ? refcount_warn_saturate+0xba/0x110 # [ 52.545311] ? report_bug+0x99/0xc0 # [ 52.549528] ? handle_bug+0x41/0x80 # [ 52.553742] ? exc_invalid_op+0x13/0x60 # [ 52.564532] ? asm_exc_invalid_op+0x12/0x20 # [ 52.575728] ? refcount_warn_saturate+0xba/0x110 # [ 52.581190] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 52.593819] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3a/0x74 # [ 52.600339] direct_entry.cold+0x2c/0x38 # [ 52.605042] full_proxy_write+0x53/0x80 # [ 52.609642] vfs_write+0xf0/0x3c0 # [ 52.613642] ksys_write+0x74/0xf0 # [ 52.623845] do_syscall_64+0x30/0x40 # [ 52.628133] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 52.640281] RIP: 0033:0x7f21ba7bf240 # [ 52.644584] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 52.665866] RSP: 002b:00007ffe59dca278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 52.674663] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f21ba7bf240 # [ 52.682959] RDX: 000000000000001f RSI: 00007f21ba6a3000 RDI: 0000000000000001 # [ 52.691224] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 52.699487] R10: 00007f21ba6e04d0 R11: 0000000000000202 R12: 00007f21ba6a3000 # [ 52.707750] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.716018] irq event stamp: 0 # [ 52.719743] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.733251] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 52.742707] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 52.752137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.759430] ---[ end trace 242e5a7a3af61ddd ]--- # [ 52.764878] 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 # [ 52.914182] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 52.927450] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 52.941069] ------------[ cut here ]------------ # [ 52.952719] refcount_t: underflow; use-after-free. # [ 52.964666] WARNING: CPU: 0 PID: 2278 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.980533] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.069137] CPU: 0 PID: 2278 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 53.084271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.097627] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.109948] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 # [ 53.137489] RSP: 0018:ffffb09082da7e50 EFLAGS: 00010286 # [ 53.149818] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 53.164347] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 53.178814] RBP: 000000000000001f R08: 0000000000000000 R09: 0000000000000000 # [ 53.193346] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082da7f10 # [ 53.207807] R13: ffffffff992c8c48 R14: ffff8c7a46600000 R15: ffffb09082da7f10 # [ 53.222333] FS: 00007f1f6c55b740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 53.237866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.250857] CR2: 00007f1f6c53a000 CR3: 00000001071c8001 CR4: 00000000003706f0 # [ 53.265310] Call Trace: # [ 53.274586] ? __warn+0x80/0x110 # [ 53.284681] ? refcount_warn_saturate+0xba/0x110 # [ 53.296365] ? report_bug+0x99/0xc0 # [ 53.306764] ? handle_bug+0x41/0x80 # [ 53.317201] ? exc_invalid_op+0x13/0x60 # [ 53.327981] ? asm_exc_invalid_op+0x12/0x20 # [ 53.339225] ? refcount_warn_saturate+0xba/0x110 # [ 53.350860] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 53.363558] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3c/0x79 # [ 53.376264] direct_entry.cold+0x2c/0x38 # [ 53.387206] full_proxy_write+0x53/0x80 # [ 53.397969] vfs_write+0xf0/0x3c0 # [ 53.408251] ksys_write+0x74/0xf0 # [ 53.418436] do_syscall_64+0x30/0x40 # [ 53.428974] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 53.441110] RIP: 0033:0x7f1f6c656240 # [ 53.451623] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 53.479119] RSP: 002b:00007fff477b2808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 53.494110] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1f6c656240 # [ 53.508555] RDX: 000000000000001f RSI: 00007f1f6c53a000 RDI: 0000000000000001 # [ 53.516866] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 53.531335] R10: 00007f1f6c5774d0 R11: 0000000000000202 R12: 00007f1f6c53a000 # [ 53.545824] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 53.560329] irq event stamp: 0 # [ 53.570208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.583764] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 53.599433] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 53.615084] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.628580] ---[ end trace 242e5a7a3af61dde ]--- # [ 53.640257] 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 # [ 53.775465] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 53.782747] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 53.790146] lkdtm: Good: zero detected # [ 53.794656] lkdtm: Correctly stayed at zero # [ 53.805834] lkdtm: attempting bad refcount_inc() from zero # [ 53.818470] ------------[ cut here ]------------ # [ 53.823921] refcount_t: addition on 0; use-after-free. # [ 53.836197] WARNING: CPU: 2 PID: 2311 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110 # [ 53.845927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.934545] CPU: 2 PID: 2311 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 53.943506] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.956810] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 53.962971] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 # [ 53.984283] RSP: 0018:ffffb09082e37e58 EFLAGS: 00010282 # [ 53.990414] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 53.998683] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 54.006950] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 # [ 54.015216] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082e37f10 # [ 54.023484] R13: ffffffff992c8fe9 R14: ffff8c7a479ea000 R15: ffffb09082e37f10 # [ 54.031750] FS: 00007ff80c699740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 54.041086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.047799] CR2: 00007ff80c678000 CR3: 0000000105274006 CR4: 00000000003706e0 # [ 54.056067] Call Trace: # [ 54.059093] ? __warn+0x80/0x110 # [ 54.063017] ? refcount_warn_saturate+0x97/0x110 # [ 54.074697] ? report_bug+0x99/0xc0 # [ 54.078919] ? handle_bug+0x41/0x80 # [ 54.083137] ? exc_invalid_op+0x13/0x60 # [ 54.087717] ? asm_exc_invalid_op+0x12/0x20 # [ 54.098896] ? refcount_warn_saturate+0x97/0x110 # [ 54.110564] ? refcount_warn_saturate+0x97/0x110 # [ 54.116041] lkdtm_REFCOUNT_INC_ZERO+0x95/0xbd # [ 54.127508] direct_entry.cold+0x2c/0x38 # [ 54.132213] full_proxy_write+0x53/0x80 # [ 54.136822] vfs_write+0xf0/0x3c0 # [ 54.140846] ksys_write+0x74/0xf0 # [ 54.144842] do_syscall_64+0x30/0x40 # [ 54.149158] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 54.155095] RIP: 0033:0x7ff80c794240 # [ 54.159410] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 54.180696] RSP: 002b:00007ffc10d58218 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.189480] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff80c794240 # [ 54.197748] RDX: 0000000000000012 RSI: 00007ff80c678000 RDI: 0000000000000001 # [ 54.206014] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 54.214282] R10: 00007ff80c6b54d0 R11: 0000000000000202 R12: 00007ff80c678000 # [ 54.222549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 54.230819] irq event stamp: 0 # [ 54.234546] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.248052] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 54.257490] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 54.266921] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.274215] ---[ end trace 242e5a7a3af61ddf ]--- # [ 54.279681] 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 # [ 54.606397] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 54.614554] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 54.628160] lkdtm: Good: zero detected # [ 54.638852] lkdtm: Correctly stayed at zero # [ 54.643820] lkdtm: attempting bad refcount_add() from zero # [ 54.650242] ------------[ cut here ]------------ # [ 54.655724] refcount_t: addition on 0; use-after-free. # [ 54.661786] WARNING: CPU: 2 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x97/0x110 # [ 54.671526] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.760098] CPU: 2 PID: 2344 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 54.769076] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.776178] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.782339] Code: 02 01 e8 17 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 99 c6 05 27 9f d5 02 01 e8 f4 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 # [ 54.803666] RSP: 0018:ffffb09082eb7e58 EFLAGS: 00010282 # [ 54.809827] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.818094] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 54.826362] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 # [ 54.834629] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082eb7f10 # [ 54.849112] R13: ffffffff992c8ffb R14: ffff8c7a42af4000 R15: ffffb09082eb7f10 # [ 54.857379] FS: 00007ff3602c4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 54.866713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.873425] CR2: 00007ff3602a3000 CR3: 0000000108678002 CR4: 00000000003706e0 # [ 54.881691] Call Trace: # [ 54.884718] ? __warn+0x80/0x110 # [ 54.888640] ? refcount_warn_saturate+0x97/0x110 # [ 54.900300] ? report_bug+0x99/0xc0 # [ 54.910704] ? handle_bug+0x41/0x80 # [ 54.921109] ? exc_invalid_op+0x13/0x60 # [ 54.925717] ? asm_exc_invalid_op+0x12/0x20 # [ 54.930718] ? refcount_warn_saturate+0x97/0x110 # [ 54.936188] ? refcount_warn_saturate+0x97/0x110 # [ 54.947846] lkdtm_REFCOUNT_ADD_ZERO+0x95/0xbd # [ 54.953135] direct_entry.cold+0x2c/0x38 # [ 54.957841] full_proxy_write+0x53/0x80 # [ 54.962450] vfs_write+0xf0/0x3c0 # [ 54.966475] ksys_write+0x74/0xf0 # [ 54.970498] do_syscall_64+0x30/0x40 # [ 54.974786] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 54.980752] RIP: 0033:0x7ff3603bf240 # [ 54.985037] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 55.006320] RSP: 002b:00007ffd23321c78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.015075] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff3603bf240 # [ 55.023368] RDX: 0000000000000012 RSI: 00007ff3602a3000 RDI: 0000000000000001 # [ 55.031636] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 55.039910] R10: 00007ff3602e04d0 R11: 0000000000000202 R12: 00007ff3602a3000 # [ 55.054386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.062671] irq event stamp: 0 # [ 55.066404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.073701] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 55.083134] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 55.092566] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.099862] ---[ end trace 242e5a7a3af61de0 ]--- # [ 55.105313] 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 # [ 55.256069] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 55.266587] lkdtm: attempting bad refcount_inc() from saturated # [ 55.273525] ------------[ cut here ]------------ # [ 55.279007] refcount_t: saturated; leaking memory. # [ 55.290875] WARNING: CPU: 2 PID: 2380 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.306800] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.395453] CPU: 2 PID: 2380 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 55.404408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.417717] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.423861] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 # [ 55.445142] RSP: 0018:ffffb09082f27e58 EFLAGS: 00010282 # [ 55.451270] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 55.459535] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 55.467801] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 # [ 55.476066] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082f27f10 # [ 55.484329] R13: ffffffff992c900d R14: ffff8c7a47800000 R15: ffffb09082f27f10 # [ 55.492595] FS: 00007f1656825740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 55.501927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.508638] CR2: 00007f1656804000 CR3: 000000010674a001 CR4: 00000000003706e0 # [ 55.516904] Call Trace: # [ 55.519944] ? __warn+0x80/0x110 # [ 55.523848] ? refcount_warn_saturate+0x51/0x110 # [ 55.535509] ? report_bug+0x99/0xc0 # [ 55.539698] ? handle_bug+0x41/0x80 # [ 55.543909] ? exc_invalid_op+0x13/0x60 # [ 55.548484] ? asm_exc_invalid_op+0x12/0x20 # [ 55.553452] ? refcount_warn_saturate+0x51/0x110 # [ 55.558927] ? refcount_warn_saturate+0x51/0x110 # [ 55.570588] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 55.582543] direct_entry.cold+0x2c/0x38 # [ 55.593433] full_proxy_write+0x53/0x80 # [ 55.598039] vfs_write+0xf0/0x3c0 # [ 55.602033] ksys_write+0x74/0xf0 # [ 55.606025] do_syscall_64+0x30/0x40 # [ 55.610310] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 55.616243] RIP: 0033:0x7f1656920240 # [ 55.620527] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 55.641804] RSP: 002b:00007fffc8d41fe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.650555] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1656920240 # [ 55.658820] RDX: 0000000000000017 RSI: 00007f1656804000 RDI: 0000000000000001 # [ 55.667085] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 55.675350] R10: 00007f16568414d0 R11: 0000000000000202 R12: 00007f1656804000 # [ 55.683627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.698110] irq event stamp: 0 # [ 55.701837] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.715339] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 55.724768] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 55.734198] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.741491] ---[ end trace 242e5a7a3af61de1 ]--- # [ 55.746938] 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 # [ 56.281066] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 56.293304] lkdtm: attempting bad refcount_dec() from saturated # [ 56.300227] ------------[ cut here ]------------ # [ 56.305682] refcount_t: decrement hit 0; leaking memory. # [ 56.311919] WARNING: CPU: 3 PID: 2416 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 56.321647] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.410222] CPU: 3 PID: 2416 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 56.419194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.432501] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 56.438631] Code: 88 34 22 99 c6 05 da 9e d5 02 01 e8 aa 1f c3 00 0f 0b c3 cc cc cc cc 48 c7 c7 58 34 22 99 c6 05 c1 9e d5 02 01 e8 90 1f c3 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 56.466119] RSP: 0018:ffffb09082fb7e58 EFLAGS: 00010282 # [ 56.472248] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 56.480512] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 # [ 56.488776] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 # [ 56.497039] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09082fb7f10 # [ 56.505304] R13: ffffffff992c9024 R14: ffff8c7a40fb8000 R15: ffffb09082fb7f10 # [ 56.513569] FS: 00007f712327b740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 56.522901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.529629] CR2: 00007f712325a000 CR3: 0000000107b58003 CR4: 00000000003706e0 # [ 56.537893] Call Trace: # [ 56.540917] ? __warn+0x80/0x110 # [ 56.544840] ? refcount_warn_saturate+0xfb/0x110 # [ 56.556495] ? report_bug+0x99/0xc0 # [ 56.560685] ? handle_bug+0x41/0x80 # [ 56.571083] ? exc_invalid_op+0x13/0x60 # [ 56.581872] ? asm_exc_invalid_op+0x12/0x20 # [ 56.586863] ? refcount_warn_saturate+0xfb/0x110 # [ 56.598516] ? refcount_warn_saturate+0xfb/0x110 # [ 56.603965] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 56.609706] direct_entry.cold+0x2c/0x38 # [ 56.614399] full_proxy_write+0x53/0x80 # [ 56.618999] vfs_write+0xf0/0x3c0 # [ 56.623038] ksys_write+0x74/0xf0 # [ 56.627034] do_syscall_64+0x30/0x40 # [ 56.637522] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 56.643454] RIP: 0033:0x7f7123376240 # [ 56.647736] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 56.669012] RSP: 002b:00007ffd009f61a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.677762] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7123376240 # [ 56.686025] RDX: 0000000000000017 RSI: 00007f712325a000 RDI: 0000000000000001 # [ 56.694286] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 56.702548] R10: 00007f71232974d0 R11: 0000000000000202 R12: 00007f712325a000 # [ 56.710810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.719077] irq event stamp: 0 # [ 56.722807] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.730099] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 56.739528] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 56.748956] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.756248] ---[ end trace 242e5a7a3af61de2 ]--- # [ 56.761694] 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 # [ 57.474312] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 57.483546] lkdtm: attempting bad refcount_dec() from saturated # [ 57.496703] ------------[ cut here ]------------ # [ 57.508358] refcount_t: saturated; leaking memory. # [ 57.520251] WARNING: CPU: 0 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 57.536191] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 57.624773] CPU: 0 PID: 2452 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 57.639924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.653243] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 57.665585] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 23 80 3d 7e 9f d5 02 00 75 ee 48 c7 c7 d8 33 22 99 c6 05 6e 9f d5 02 01 e8 3a 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 # [ 57.693114] RSP: 0018:ffffb0908301fe58 EFLAGS: 00010282 # [ 57.705435] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 57.719966] RDX: ffff8c7abac2c620 RSI: ffff8c7abac1bf50 RDI: ffff8c7abac1bf50 # [ 57.734422] RBP: 0000000000000017 R08: 0000000000000000 R09: 0000000000000000 # [ 57.748872] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb0908301ff10 # [ 57.763369] R13: ffffffff992c903b R14: ffff8c7a424da000 R15: ffffb0908301ff10 # [ 57.777838] FS: 00007fa655f13740(0000) GS:ffff8c7abac00000(0000) knlGS:0000000000000000 # [ 57.793417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.806327] CR2: 00007fa655ef2000 CR3: 0000000104648006 CR4: 00000000003706f0 # [ 57.820806] Call Trace: # [ 57.830037] ? __warn+0x80/0x110 # [ 57.840185] ? refcount_warn_saturate+0x51/0x110 # [ 57.851816] ? report_bug+0x99/0xc0 # [ 57.862222] ? handle_bug+0x41/0x80 # [ 57.872619] ? exc_invalid_op+0x13/0x60 # [ 57.883420] ? asm_exc_invalid_op+0x12/0x20 # [ 57.894605] ? refcount_warn_saturate+0x51/0x110 # [ 57.906276] ? refcount_warn_saturate+0x51/0x110 # [ 57.917928] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 57.929906] direct_entry.cold+0x2c/0x38 # [ 57.940778] full_proxy_write+0x53/0x80 # [ 57.951588] vfs_write+0xf0/0x3c0 # [ 57.961786] ksys_write+0x74/0xf0 # [ 57.972010] do_syscall_64+0x30/0x40 # [ 57.982505] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 57.994665] RIP: 0033:0x7fa65600e240 # [ 58.005165] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 58.032646] RSP: 002b:00007fffb4822e78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 58.047615] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa65600e240 # [ 58.062105] RDX: 0000000000000017 RSI: 00007fa655ef2000 RDI: 0000000000000001 # [ 58.076566] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 58.091043] R10: 00007fa655f2f4d0 R11: 0000000000000202 R12: 00007fa655ef2000 # [ 58.105537] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 58.120111] irq event stamp: 0 # [ 58.129989] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.143529] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 58.159146] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 58.174795] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.188287] ---[ end trace 242e5a7a3af61de3 ]--- # [ 58.199966] 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 # [ 58.367801] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 58.375928] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 58.383713] ------------[ cut here ]------------ # [ 58.389171] refcount_t: saturated; leaking memory. # [ 58.394834] WARNING: CPU: 2 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 # [ 58.404560] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 58.493174] CPU: 2 PID: 2485 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 58.502149] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.515459] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 58.527801] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 # [ 58.555295] RSP: 0018:ffffb09083097e48 EFLAGS: 00010286 # [ 58.561457] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 58.569776] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 58.578054] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 # [ 58.592525] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083097f10 # [ 58.600787] R13: ffffffff992c8c68 R14: ffff8c7a459ce000 R15: ffffb09083097f10 # [ 58.609051] FS: 00007fb90e8d4740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 58.618385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.625097] CR2: 00007fb90e8b3000 CR3: 0000000104e1e006 CR4: 00000000003706e0 # [ 58.633361] Call Trace: # [ 58.636403] ? __warn+0x80/0x110 # [ 58.640306] ? refcount_warn_saturate+0x74/0x110 # [ 58.651965] ? report_bug+0x99/0xc0 # [ 58.656176] ? handle_bug+0x41/0x80 # [ 58.660391] ? exc_invalid_op+0x13/0x60 # [ 58.664968] ? asm_exc_invalid_op+0x12/0x20 # [ 58.669973] ? refcount_warn_saturate+0x74/0x110 # [ 58.675432] ? refcount_warn_saturate+0x74/0x110 # [ 58.687089] __refcount_add_not_zero.constprop.0+0x26/0x31 # [ 58.693509] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3c/0x74 # [ 58.700148] direct_entry.cold+0x2c/0x38 # [ 58.704847] full_proxy_write+0x53/0x80 # [ 58.709452] vfs_write+0xf0/0x3c0 # [ 58.713466] ksys_write+0x74/0xf0 # [ 58.717482] do_syscall_64+0x30/0x40 # [ 58.721787] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 58.727746] RIP: 0033:0x7fb90e9cf240 # [ 58.732053] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 58.753354] RSP: 002b:00007ffc466c2b38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 58.762128] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb90e9cf240 # [ 58.770392] RDX: 0000000000000020 RSI: 00007fb90e8b3000 RDI: 0000000000000001 # [ 58.778675] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 58.786941] R10: 00007fb90e8f04d0 R11: 0000000000000202 R12: 00007fb90e8b3000 # [ 58.801422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 58.815921] irq event stamp: 0 # [ 58.819632] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.833135] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 58.842589] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 58.852050] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.859343] ---[ end trace 242e5a7a3af61de4 ]--- # [ 58.864791] 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 # [ 59.086522] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 59.097633] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 59.105423] ------------[ cut here ]------------ # [ 59.117072] refcount_t: saturated; leaking memory. # [ 59.122744] WARNING: CPU: 3 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x74/0x110 # [ 59.132474] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 59.221049] CPU: 3 PID: 2518 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 59.230020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.243327] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 59.249454] Code: 02 01 e8 3a 20 c3 00 0f 0b c3 cc cc cc cc 80 3d 5c 9f d5 02 00 75 cb 48 c7 c7 d8 33 22 99 c6 05 4c 9f d5 02 01 e8 17 20 c3 00 <0f> 0b c3 cc cc cc cc 80 3d 37 9f d5 02 00 75 a8 48 c7 c7 00 34 22 # [ 59.270730] RSP: 0018:ffffb09083167e48 EFLAGS: 00010286 # [ 59.276858] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 59.285121] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 # [ 59.293384] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 # [ 59.301648] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083167f10 # [ 59.309912] R13: ffffffff992c8c88 R14: ffff8c7a47fe7000 R15: ffffb09083167f10 # [ 59.318175] FS: 00007f490a605740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 59.327507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.334214] CR2: 00007f490a5e4000 CR3: 0000000106494005 CR4: 00000000003706e0 # [ 59.342476] Call Trace: # [ 59.345500] ? __warn+0x80/0x110 # [ 59.349425] ? refcount_warn_saturate+0x74/0x110 # [ 59.354873] ? report_bug+0x99/0xc0 # [ 59.359059] ? handle_bug+0x41/0x80 # [ 59.363267] ? exc_invalid_op+0x13/0x60 # [ 59.367842] ? asm_exc_invalid_op+0x12/0x20 # [ 59.372809] ? refcount_warn_saturate+0x74/0x110 # [ 59.378286] ? refcount_warn_saturate+0x74/0x110 # [ 59.389939] __refcount_add_not_zero.constprop.0+0x26/0x31 # [ 59.402579] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3c/0x74 # [ 59.415407] direct_entry.cold+0x2c/0x38 # [ 59.420112] full_proxy_write+0x53/0x80 # [ 59.424720] vfs_write+0xf0/0x3c0 # [ 59.428721] ksys_write+0x74/0xf0 # [ 59.432744] do_syscall_64+0x30/0x40 # [ 59.437031] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 59.443021] RIP: 0033:0x7f490a700240 # [ 59.447321] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 59.474801] RSP: 002b:00007ffd39706358 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 59.483553] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f490a700240 # [ 59.491818] RDX: 0000000000000020 RSI: 00007f490a5e4000 RDI: 0000000000000001 # [ 59.500083] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 59.508348] R10: 00007f490a6214d0 R11: 0000000000000202 R12: 00007f490a5e4000 # [ 59.516631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 59.524912] irq event stamp: 0 # [ 59.534817] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.542113] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 59.551544] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 59.560975] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.568270] ---[ end trace 242e5a7a3af61de5 ]--- # [ 59.573718] 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 # [ 59.740705] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 59.749677] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 59.757491] ------------[ cut here ]------------ # [ 59.762970] refcount_t: underflow; use-after-free. # [ 59.774830] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 59.790754] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 59.879375] CPU: 3 PID: 2554 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 59.888341] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.895441] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 59.901568] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 # [ 59.922841] RSP: 0018:ffffb090831efe50 EFLAGS: 00010286 # [ 59.928968] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 59.937232] RDX: ffff8c7abadac620 RSI: ffff8c7abad9bf50 RDI: ffff8c7abad9bf50 # [ 59.945496] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 # [ 59.953760] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb090831eff10 # [ 59.962024] R13: ffffffff992c8ca8 R14: ffff8c7a44dbd000 R15: ffffb090831eff10 # [ 59.970288] FS: 00007f43542d2740(0000) GS:ffff8c7abad80000(0000) knlGS:0000000000000000 # [ 59.979630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.986341] CR2: 00007f43542b1000 CR3: 00000001067ca005 CR4: 00000000003706e0 # [ 59.994622] Call Trace: # [ 59.997647] ? __warn+0x80/0x110 # [ 60.001547] ? refcount_warn_saturate+0xba/0x110 # [ 60.006999] ? report_bug+0x99/0xc0 # [ 60.011204] ? handle_bug+0x41/0x80 # [ 60.015420] ? exc_invalid_op+0x13/0x60 # [ 60.019995] ? asm_exc_invalid_op+0x12/0x20 # [ 60.024960] ? refcount_warn_saturate+0xba/0x110 # [ 60.030438] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 60.043065] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3c/0x74 # [ 60.049681] direct_entry.cold+0x2c/0x38 # [ 60.060567] full_proxy_write+0x53/0x80 # [ 60.071357] vfs_write+0xf0/0x3c0 # [ 60.075379] ksys_write+0x74/0xf0 # [ 60.079369] do_syscall_64+0x30/0x40 # [ 60.083655] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 60.089631] RIP: 0033:0x7f43543cd240 # [ 60.100132] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 60.127638] RSP: 002b:00007fffad71cb48 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 60.142607] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f43543cd240 # [ 60.157086] RDX: 0000000000000020 RSI: 00007f43542b1000 RDI: 0000000000000001 # [ 60.171570] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 60.179839] R10: 00007f43542ee4d0 R11: 0000000000000202 R12: 00007f43542b1000 # [ 60.194322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 60.208810] irq event stamp: 0 # [ 60.218726] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.232240] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 60.241674] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 60.257316] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.266651] ---[ end trace 242e5a7a3af61de6 ]--- # [ 60.272102] 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 # [ 60.852731] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 60.861257] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 60.869043] ------------[ cut here ]------------ # [ 60.874522] refcount_t: underflow; use-after-free. # [ 60.880191] WARNING: CPU: 2 PID: 2590 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 60.889917] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl btbcm btintel cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev cros_usbpd_logger cros_ec_sysfs cros_usbpd_charger cros_ec_lightbar gsmi bluetooth uvcvideo iTCO_wdt videobuf2_vmalloc intel_pmc_bxt videobuf2_memops ecdh_generic videobuf2_v4l2 snd_soc_da7219 processor_thermal_device intel_pmc_core_pltdrv intel_pmc_core x86_pkg_temp_thermal iwlmvm snd_soc_max98927 watchdog cros_ec_dev snd_soc_core iwlwifi videobuf2_common snd_compress idma64 ecc intel_soc_dts_iosf snd_pcm_dmaengine regmap_i2c elan_i2c i2c_hid int3403_thermal int340x_thermal_zone cros_usbpd_notify int3400_thermal acpi_thermal_rel pinctrl_sunrisepoint cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 60.978509] CPU: 2 PID: 2590 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 60.987465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.000773] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 61.006901] Code: 02 01 e8 f4 1f c3 00 0f 0b c3 cc cc cc cc 80 3d 13 9f d5 02 00 75 85 48 c7 c7 30 34 22 99 c6 05 03 9f d5 02 01 e8 d1 1f c3 00 <0f> 0b c3 cc cc cc cc 80 3d ee 9e d5 02 00 0f 85 5e ff ff ff 48 c7 # [ 61.028178] RSP: 0018:ffffb09083277e50 EFLAGS: 00010286 # [ 61.034305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 61.042572] RDX: ffff8c7abad2c620 RSI: ffff8c7abad1bf50 RDI: ffff8c7abad1bf50 # [ 61.050834] RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 # [ 61.059097] R10: 00000000ffffdfff R11: ffffffff9948ffc0 R12: ffffb09083277f10 # [ 61.067362] R13: ffffffff992c8cc8 R14: ffff8c7a47b08000 R15: ffffb09083277f10 # [ 61.075630] FS: 00007f21e3f78740(0000) GS:ffff8c7abad00000(0000) knlGS:0000000000000000 # [ 61.084963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.091676] CR2: 00007f21e3f57000 CR3: 0000000100e76002 CR4: 00000000003706e0 # [ 61.099939] Call Trace: # [ 61.102961] ? __warn+0x80/0x110 # [ 61.106888] ? refcount_warn_saturate+0xba/0x110 # [ 61.112338] ? report_bug+0x99/0xc0 # [ 61.116549] ? handle_bug+0x41/0x80 # [ 61.120759] ? exc_invalid_op+0x13/0x60 # [ 61.125340] ? asm_exc_invalid_op+0x12/0x20 # [ 61.136519] ? refcount_warn_saturate+0xba/0x110 # [ 61.148181] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 61.154627] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3c/0x74 # [ 61.167453] direct_entry.cold+0x2c/0x38 # [ 61.172154] full_proxy_write+0x53/0x80 # [ 61.182937] vfs_write+0xf0/0x3c0 # [ 61.186975] ksys_write+0x74/0xf0 # [ 61.190982] do_syscall_64+0x30/0x40 # [ 61.201470] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 61.207404] RIP: 0033:0x7f21e4073240 # [ 61.211687] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 61.232964] RSP: 002b:00007fff4e5ceeb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 61.241714] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f21e4073240 # [ 61.249978] RDX: 0000000000000020 RSI: 00007f21e3f57000 RDI: 0000000000000001 # [ 61.258241] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 61.266504] R10: 00007f21e3f944d0 R11: 0000000000000202 R12: 00007f21e3f57000 # [ 61.274768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 61.283035] irq event stamp: 0 # [ 61.286764] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.294059] hardirqs last disabled at (0): [] copy_process+0x6e1/0x2190 # [ 61.303488] softirqs last enabled at (0): [] copy_process+0x6e1/0x2190 # [ 61.312916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.320208] ---[ end trace 242e5a7a3af61de7 ]--- # [ 61.325658] 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 # [ 61.535440] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 61.543941] lkdtm: attempting good copy_to_user of correct size # [ 61.550851] 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 # [ 61.686293] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 61.695715] lkdtm: attempting good copy_from_user of correct size # [ 61.709059] 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 # [ 61.848990] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 61.860491] lkdtm: attempting good copy_to_user inside whitelist # [ 61.867538] 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 # [ 62.016366] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 62.025196] lkdtm: attempting good copy_from_user inside whitelist # [ 62.032411] 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 # [ 62.174823] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 62.183703] lkdtm: good_stack: ffffb09083637e28-ffffb09083637e48 # [ 62.196914] lkdtm: bad_stack : ffffb09083637db0-ffffb09083637dd0 # [ 62.210161] lkdtm: attempting good copy_to_user of local stack # [ 62.223142] 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 # [ 62.366440] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 62.374227] lkdtm: good_stack: ffffb090836efe28-ffffb090836efe48 # [ 62.387450] lkdtm: bad_stack : ffffb090836efdb0-ffffb090836efdd0 # [ 62.400679] lkdtm: attempting good copy_from_user of local stack # [ 62.413866] 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 # [ 62.556720] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 62.564705] lkdtm: good_stack: ffffb0908374fe28-ffffb0908374fe48 # [ 62.571712] lkdtm: bad_stack : ffffb0908374fff8-ffffb09083750018 # [ 62.578784] lkdtm: attempting good copy_to_user of local stack # [ 62.591806] lkdtm: attempting bad copy_to_user of distant stack # [ 62.598767] 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 # [ 62.736840] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 62.748334] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98e41090 # [ 62.763488] lkdtm: attempting bad copy_to_user from kernel text: ffffffff966ea600 # [ 62.772149] 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 # [ 62.906556] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 62.915185] lkdtm: checking unused part of the thread stack (15944 bytes)... # [ 62.929606] lkdtm: FAIL: the erased part is not found (checked 15944 bytes) # [ 62.943914] lkdtm: FAIL: the thread stack is NOT properly erased # [ 62.957192] CPU: 0 PID: 2967 Comm: cat Tainted: G D W 5.10.222-cip50 #1 # [ 62.972263] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.979359] Call Trace: # [ 62.982382] dump_stack+0x77/0x9b # [ 62.986375] lkdtm_STACKLEAK_ERASING+0x113/0x141 # [ 62.991822] direct_entry.cold+0x2c/0x38 # [ 62.996498] full_proxy_write+0x53/0x80 # [ 63.001079] vfs_write+0xf0/0x3c0 # [ 63.005068] ksys_write+0x74/0xf0 # [ 63.009050] do_syscall_64+0x30/0x40 # [ 63.013331] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 63.019255] RIP: 0033:0x7f95587bb240 # [ 63.023534] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 63.044812] RSP: 002b:00007ffdbe5645b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 63.053562] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f95587bb240 # [ 63.061824] RDX: 0000000000000012 RSI: 00007f955869f000 RDI: 0000000000000001 # [ 63.070086] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 63.078349] R10: 00007f95586dc4d0 R11: 0000000000000202 R12: 00007f955869f000 # [ 63.086624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # 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 # [ 63.240384] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 63.250716] lkdtm: Calling matched prototype ... # [ 63.262384] lkdtm: Calling mismatched prototype ... # [ 63.274356] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x