[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 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: 0900 pm1_en: 0000 pm1_cnt: 00000000 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000503a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 2681 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PRBTNOR PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 227 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 376844 run 170212 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 8963 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 8961 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 8962 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 8971 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90913 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107700 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 14156 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 14152 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 22355 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 53537 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 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 9277 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 10052 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10049 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466020 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486133 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825836 exit 39254 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 * [x11138000 - 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 2114613 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139375 exit 21028 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 31607 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6987 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 2242 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5290 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23479 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 23775 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2391 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24434 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 2024-05-17 18:07:38 UTC ELOG: Event(92) added with size 9 at 2024-05-17 18:07:38 UTC ELOG: Event(98) added with size 9 at 2024-05-17 18:07:38 UTC ELOG: Event(AD) added with size 10 at 2024-05-17 18:07:38 UTC ELOG: Event(9F) added with size 14 at 2024-05-17 18:07:38 UTC BS: BS_DEV_INIT times (us): entry 0 run 417828 exit 48761 ELOG: Event(A1) added with size 10 at 2024-05-17 18:07:38 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02 ELOG: Event(A0) added with size 9 at 2024-05-17 18:07:38 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 3970 exit 5160 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 ELOG: Event(91) added with size 10 at 2024-05-17 18:07:38 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 | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 7a9b coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000058 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 6285 run 537738 exit 146888 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x60000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : 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 595 run 262166 exit 134630 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 13871413/tftp-deploy-9ep377e9/kernel/bzImage 13871413/tftp-deploy-9ep377e9/kernel/cmdline 13871413/tftp-deploy-9ep377e9/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 13871413/tftp-deploy-9ep377e9/kernel/bzImploy-9ep377e9/kernel/cmdline 13871413/tftp-deploy-9ep377e9/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 13871413/tftp-deploy-9ep377e9/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 22695360 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 ########################################## done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 13871413/tftp-deploy-9ep377e9/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/13871413/extract-nfsrootfs-nrclamk_,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: 26176357 Starting kernel ... <5>[ 0.000000] Linux version 5.10.217-cip47 (KernelCI@build-j199968-x86-64-gcc-10-x86-64-defconfig-x86-board-gfvqs) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri May 17 17:45:30 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/13871413/extract-nfsrootfs-nrclamk_,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>[ 0.001411] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007156] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026503] check: Scanning 1 areas for low memory corruption <6>[ 0.026517] Using GB pages for direct mapping <6>[ 0.027187] RAMDISK: [mem 0x3742c000-0x37ffffff] <6>[ 0.027195] ACPI: Early table checksum verification disabled <6>[ 0.027203] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.027217] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027233] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027249] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.027262] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027274] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.027285] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.027298] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027310] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027322] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027335] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.027347] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027359] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027371] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.027384] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.027389] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.027394] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027398] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.027403] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.027408] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.027413] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.027417] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.027422] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.027427] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.027432] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.027436] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027576] No NUMA configuration found <6>[ 0.027582] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027591] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.027646] Zone ranges: <6>[ 0.027651] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027659] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027666] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027674] Movable zone start for each node <6>[ 0.027678] Early memory node ranges <6>[ 0.027683] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027688] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027694] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027700] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027736] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027802] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.044100] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.045092] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.045118] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.045477] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.045534] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.045548] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.045555] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.045570] Using ACPI (MADT) for SMP configuration information <6>[ 0.045576] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.045584] TSC deadline timer available <6>[ 0.045589] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.045620] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.045627] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.045633] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.045638] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.045642] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.045647] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.045651] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.045655] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.045660] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.045664] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.045669] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.045673] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.045678] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.045682] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.045687] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.045695] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.045703] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.064437] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.064729] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.064812] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.064817] Policy zone: Normal <5>[ 0.064832] 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/13871413/extract-nfsrootfs-nrclamk_,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.065460] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.065718] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.065811] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.100712] Memory: 3862152K/4089052K available (22546K kernel code, 3707K rwdata, 24556K rodata, 2156K init, 14040K bss, 226640K reserved, 0K cma-reserved) <6>[ 0.100884] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.100945] Kernel/User page tables isolation: enabled <6>[ 0.101075] ftrace: allocating 61118 entries in 239 pages <6>[ 0.171396] ftrace: allocated 239 pages with 7 groups <6>[ 0.171705] Running RCU self tests <6>[ 0.171721] rcu: Hierarchical RCU implementation. <6>[ 0.171725] rcu: RCU event tracing is enabled. <6>[ 0.171730] rcu: RCU lockdep checking is enabled. <6>[ 0.171735] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.171740] Rude variant of Tasks RCU enabled. <6>[ 0.171745] Tracing variant of Tasks RCU enabled. <6>[ 0.171750] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.171755] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.182252] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.182749] random: crng init done <6>[ 0.182866] Console: colour dummy device 80x25 <6>[ 0.256478] printk: console [ttyS0] enabled <4>[ 0.256869] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.257553] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.257936] ... MAX_LOCK_DEPTH: 48 <4>[ 0.258326] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.258730] ... CLASSHASH_SIZE: 4096 <4>[ 0.259134] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.259545] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.259956] ... CHAINHASH_SIZE: 32768 <4>[ 0.260368] memory used by lock dependency info: 6365 kB <4>[ 0.260858] memory used for stack traces: 4224 kB <4>[ 0.261298] per task-struct memory footprint: 1920 bytes <6>[ 0.261849] ACPI: Core revision 20200925 <6>[ 0.262444] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.262968] APIC: Switch to symmetric I/O mode setup <6>[ 0.267452] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.268398] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.269379] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.269379] process: using mwait in idle threads <6>[ 0.269379] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.269379] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.269379] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.269379] Spectre V2 : Mitigation: IBRS <6>[ 0.269379] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.269379] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.269379] RETBleed: Mitigation: IBRS <6>[ 0.269379] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.269379] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.269379] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.269379] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.269379] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.269379] SRBDS: Vulnerable: No microcode <6>[ 0.269379] GDS: Vulnerable: No microcode <6>[ 0.269379] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.269379] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.269379] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.269379] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.269379] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.269379] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.269379] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.269379] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.269379] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.269379] ------------[ cut here ]------------ <4>[ 0.269379] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.269379] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0 <4>[ 0.269379] Modules linked in: <4>[ 0.269379] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.217-cip47 #1 <4>[ 0.269379] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.269379] RIP: 0010:apply_returns+0x1c2/0x1e0 <4>[ 0.269379] Code: 80 3d f8 04 27 03 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 80 2c dc b5 c6 05 da 04 27 03 01 e8 24 59 12 01 <0f> 0b e9 63 ff ff ff e8 d2 a7 1a 01 e9 a7 16 12 01 66 66 2e 0f 1f <4>[ 0.269379] RSP: 0000:ffffffffb6003e30 EFLAGS: 00010286 <4>[ 0.269379] RAX: 0000000000000000 RBX: ffffffffb6c18ac8 RCX: 0000000000000000 <4>[ 0.269379] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3178671 <4>[ 0.269379] RBP: ffffffffb5a40840 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.269379] R10: ffffffffb608ffc0 R11: 3fffffffffffffff R12: ffffffffb6c30fc0 <4>[ 0.269379] R13: ffffffffb6003ea8 R14: 0000000000000005 R15: ffffffffb5a40845 <4>[ 0.269379] FS: 0000000000000000(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 0.269379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.269379] CR2: ffff96c6f4801000 CR3: 0000000132e26001 CR4: 00000000003706f0 <4>[ 0.269379] Call Trace: <4>[ 0.269379] ? __warn+0x80/0x110 <4>[ 0.269379] ? apply_returns+0x1c2/0x1e0 <4>[ 0.269379] ? report_bug+0x9e/0xc0 <4>[ 0.269379] ? __warn_printk+0x6c/0x8d <4>[ 0.269379] ? handle_bug+0x41/0x90 <4>[ 0.269379] ? exc_invalid_op+0x14/0x70 <4>[ 0.269379] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.269379] ? console_unlock+0x4d1/0x5f0 <4>[ 0.269379] ? apply_returns+0x1c2/0x1e0 <4>[ 0.269379] alternative_instructions+0x7d/0x143 <4>[ 0.269379] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.269379] start_kernel+0x4ad/0x557 <4>[ 0.269379] secondary_startup_64_no_verify+0xbe/0xcb <4>[ 0.269379] irq event stamp: 199167 <4>[ 0.269379] hardirqs last enabled at (199175): [] console_unlock+0x4d1/0x5f0 <4>[ 0.269379] hardirqs last disabled at (199182): [] console_unlock+0x444/0x5f0 <4>[ 0.269379] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.269379] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.269379] ---[ end trace 960df89270c00939 ]--- <6>[ 0.269379] Freeing SMP alternatives memory: 48K <6>[ 0.269379] pid_max: default: 32768 minimum: 301 <6>[ 0.269379] LSM: Security Framework initializing <6>[ 0.269379] SELinux: Initializing. <6>[ 0.269379] LSM support for eBPF active <6>[ 0.269379] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.269379] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.269379] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.270067] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.270396] ... version: 4 <6>[ 0.270775] ... bit width: 48 <6>[ 0.271158] ... generic registers: 4 <6>[ 0.271385] ... value mask: 0000ffffffffffff <6>[ 0.271870] ... max period: 00007fffffffffff <6>[ 0.272354] ... fixed-purpose events: 3 <6>[ 0.272385] ... event mask: 000000070000000f <6>[ 0.273425] rcu: Hierarchical SRCU implementation. <6>[ 0.276074] smp: Bringing up secondary CPUs ... <6>[ 0.277129] x86: Booting SMP configuration: <6>[ 0.277435] .... node #0, CPUs: #1 <4>[ 0.278806] 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>[ 0.279387] 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>[ 0.281000] #2 #3 <6>[ 0.283523] smp: Brought up 1 node, 4 CPUs <6>[ 0.284046] smpboot: Max logical packages: 1 <6>[ 0.284389] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.288520] devtmpfs: initialized <6>[ 0.289129] x86/mm: Memory block size: 128MB <6>[ 0.293943] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.294405] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.295573] pinctrl core: initialized pinctrl subsystem <6>[ 0.297264] PM: RTC time: 18:08:01, date: 2024-05-17 <6>[ 0.298088] NET: Registered protocol family 16 <6>[ 0.299282] audit: initializing netlink subsys (disabled) <5>[ 0.299438] audit: type=2000 audit(1715969280.031:1): state=initialized audit_enabled=0 res=1 <6>[ 0.299954] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.299960] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.300507] cpuidle: using governor menu <6>[ 0.301679] ACPI: bus type PCI registered <6>[ 0.302494] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.303317] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.304429] PCI: Using configuration type 1 for base access <6>[ 0.345295] Kprobes globally optimized <6>[ 0.345541] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.346389] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.347451] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.349810] ACPI: Added _OSI(Module Device) <6>[ 0.350229] ACPI: Added _OSI(Processor Device) <6>[ 0.351412] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.351853] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.352348] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.352392] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.352901] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.366592] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.375532] ACPI: EC: EC started <6>[ 0.375870] ACPI: EC: interrupt blocked <6>[ 0.377044] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.377390] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.378049] ACPI: Interpreter enabled <6>[ 0.378460] ACPI: (supports S0 S3 S4 S5) <6>[ 0.378833] ACPI: Using IOAPIC for interrupt routing <6>[ 0.379374] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.398681] ACPI: Power Resource [PRIC] (on) <6>[ 0.525835] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.526399] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.527518] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.528221] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.529072] PCI host bridge to bus 0000:00 <6>[ 0.529390] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.530001] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.531388] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.532055] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.532386] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.533055] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.533386] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.534053] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.535387] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.536054] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.536386] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.537055] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.537387] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.538054] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.539387] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.540054] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.540387] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.541057] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.541386] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.542053] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.543388] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.543998] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.545565] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.546135] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.546402] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.547056] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.548092] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.548413] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.549872] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.550417] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.551758] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.552333] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.553545] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.554909] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.555426] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.556771] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.557356] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.559277] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.559433] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.560973] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.561435] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.562068] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.563241] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.564435] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.565968] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.566599] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.567978] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.568434] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.569936] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.570434] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.571934] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.572428] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.574039] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.574430] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.575885] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.578234] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.578419] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.579809] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.580396] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.581068] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.581500] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.582861] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.583452] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.584130] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.585191] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.586421] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.588092] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.588725] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.590783] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.593223] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.593405] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.595480] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.596477] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.597400] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.598353] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.599297] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.600676] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.601620] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.602562] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.609449] ACPI: EC: interrupt unblocked <6>[ 0.609841] ACPI: EC: event unblocked <6>[ 0.610199] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.610386] ACPI: EC: GPE=0x6e <6>[ 0.610690] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.611321] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.612839] iommu: Default domain type: Translated <6>[ 0.613584] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.613993] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.615410] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.615934] vgaarb: loaded <5>[ 0.616814] SCSI subsystem initialized <6>[ 0.617642] ACPI: bus type USB registered <6>[ 0.618172] usbcore: registered new interface driver usbfs <6>[ 0.618463] usbcore: registered new interface driver hub <6>[ 0.618991] usbcore: registered new device driver usb <6>[ 0.619513] mc: Linux media interface: v0.10 <6>[ 0.619945] videodev: Linux video capture interface: v2.00 <6>[ 0.620422] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.620879] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.621399] PTP clock support registered <6>[ 0.621835] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.623492] NetLabel: Initializing <6>[ 0.623822] NetLabel: domain hash size = 128 <6>[ 0.624228] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.624469] NetLabel: unlabeled traffic allowed by default <6>[ 0.625540] PCI: Using ACPI for IRQ routing <6>[ 0.634203] clocksource: Switched to clocksource tsc-early <5>[ 1.084491] VFS: Disk quotas dquot_6.6.0 <6>[ 1.084936] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.086022] pnp: PnP ACPI init <6>[ 1.087227] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.087846] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.088444] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.089054] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.089651] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.090261] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.090899] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.091526] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.092135] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.092743] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.094320] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.095280] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.096103] system 00:04: [io 0x0200] has been reserved <6>[ 1.096594] system 00:04: [io 0x0204] has been reserved <6>[ 1.097098] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.097639] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.100705] pnp: PnP ACPI: found 6 devices <6>[ 1.115986] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.116911] NET: Registered protocol family 2 <6>[ 1.117497] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.120048] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.121095] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.122035] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.124966] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.125936] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.126943] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.127877] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.128984] NET: Registered protocol family 1 <6>[ 1.130151] RPC: Registered named UNIX socket transport module. <6>[ 1.130744] RPC: Registered udp transport module. <6>[ 1.131181] RPC: Registered tcp transport module. <6>[ 1.131616] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.132871] NET: Registered protocol family 44 <6>[ 1.133309] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.133806] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.134430] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.134998] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.135557] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.136252] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.136882] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.137499] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.138124] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.138758] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.139382] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.140014] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.140637] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.141313] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.141949] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.142573] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.143205] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.143839] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.144464] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.145095] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.145744] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.146369] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.147001] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.148079] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.151016] PCI: CLS 64 bytes, default 64 <6>[ 1.151851] Unpacking initramfs... <6>[ 1.690465] Freeing initrd memory: 12112K <6>[ 1.690992] DMAR: Host address width 39 <6>[ 1.691392] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.691967] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.692735] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.693304] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.693819] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.694626] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.695223] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.696192] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.696924] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.697447] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.697980] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.698474] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.698998] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.701433] kvm: already loaded the other module <6>[ 1.706381] check: Scanning for low memory corruption every 60 seconds <5>[ 1.710373] Initialise system trusted keyrings <6>[ 1.711077] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.732602] NFS: Registering the id_resolver key type <5>[ 1.733136] Key type id_resolver registered <5>[ 1.733558] Key type id_legacy registered <5>[ 1.756387] Key type asymmetric registered <5>[ 1.756826] Asymmetric key parser 'x509' registered <6>[ 1.757336] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.758030] io scheduler mq-deadline registered <6>[ 1.758454] io scheduler kyber registered <4>[ 1.759079] test_firmware: interface ready <6>[ 1.761117] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.763067] ACPI: AC Adapter [AC] (on-line) <6>[ 1.763897] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.765765] ACPI: Lid Switch [LID0] <6>[ 1.766384] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.767325] ACPI: Power Button [PWRF] <6>[ 1.768173] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.769419] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.770467] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.771706] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.773370] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.777640] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.778295] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.778379] Non-volatile memory driver v1.3 <6>[ 1.779453] Linux agpgart interface v0.103 <6>[ 1.780231] ACPI: bus type drm_connector registered <6>[ 1.780859] [drm] amdgpu kernel modesetting enabled. <6>[ 1.784209] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.837820] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.839601] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.867246] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.871004] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.886602] loop: module loaded <6>[ 1.887770] lkdtm: No crash points registered, enable through debugfs <6>[ 1.912630] printk: console [ttyS0] disabled <6>[ 1.913402] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.732913] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.750880] printk: console [ttyS0] enabled <6>[ 2.760031] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.781430] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.547526] fbcon: i915drmfb (fb0) is primary device <6>[ 5.549126] clocksource: Switched to clocksource tsc <4>[ 5.549739] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.557769] e100: Intel(R) PRO/100 Network Driver <6>[ 5.557772] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.557834] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.557837] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.557915] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.557918] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.558003] sky2: driver version 1.30 <6>[ 5.558398] usbcore: registered new interface driver r8152 <6>[ 5.558453] usbcore: registered new interface driver asix <6>[ 5.558491] usbcore: registered new interface driver ax88179_178a <6>[ 5.558527] usbcore: registered new interface driver cdc_ether <6>[ 5.558564] usbcore: registered new interface driver net1080 <6>[ 5.558602] usbcore: registered new interface driver cdc_subset <6>[ 5.558639] usbcore: registered new interface driver zaurus <6>[ 5.558723] usbcore: registered new interface driver cdc_ncm <6>[ 5.559249] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.559273] ehci-pci: EHCI PCI platform driver <6>[ 5.559347] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.559365] ohci-pci: OHCI PCI platform driver <6>[ 5.559425] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.560634] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.560761] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.562183] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.563616] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.563722] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.565784] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.566235] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.566252] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.566873] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.566894] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.566898] usb usb1: Product: xHCI Host Controller <6>[ 5.566902] usb usb1: Manufacturer: Linux 5.10.217-cip47 xhci-hcd <6>[ 5.566905] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.568701] hub 1-0:1.0: USB hub found <6>[ 5.568890] hub 1-0:1.0: 12 ports detected <6>[ 5.572881] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.572886] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.572890] usb usb2: Product: xHCI Host Controller <6>[ 5.572893] usb usb2: Manufacturer: Linux 5.10.217-cip47 xhci-hcd <6>[ 5.572897] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.573834] hub 2-0:1.0: USB hub found <6>[ 5.573879] hub 2-0:1.0: 6 ports detected <6>[ 5.575650] usbcore: registered new interface driver usblp <6>[ 5.575745] usbcore: registered new interface driver usb-storage <6>[ 5.576254] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.576417] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.576420] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.577111] i8042: Warning: Keylock active <6>[ 5.577389] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.579643] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.582278] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.584222] rtc_cmos 00:02: registered as rtc0 <6>[ 5.584577] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.584862] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.585672] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.585737] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.586757] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.588545] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.588587] intel_pstate: Intel P-state driver initializing <6>[ 5.589429] Console: switching to colour frame buffer device 240x67 <6>[ 5.589605] intel_pstate: HWP enabled <6>[ 5.589636] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.589637] sdhci: Copyright(c) Pierre Ossman <6>[ 5.589669] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.590537] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.590701] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.591849] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.592267] usbcore: registered new interface driver usbhid <6>[ 5.592268] usbhid: USB HID core driver <6>[ 5.592620] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.597214] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.597836] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.603632] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.610111] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.610888] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.611186] IPv4 over IPsec tunneling driver <6>[ 5.611438] Initializing XFRM netlink socket <6>[ 5.611811] NET: Registered protocol family 10 <6>[ 5.612623] Segment Routing with IPv6 <6>[ 5.613329] NET: Registered protocol family 17 <5>[ 5.613431] Key type dns_resolver registered <6>[ 5.711664] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 <6>[ 5.719694] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.720133] microcode: Microcode Update Driver: v2.2. <3>[ 5.727112] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.732531] IPI shorthand broadcast: enabled <6>[ 5.833738] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.839298] sched_clock: Marking stable (5753581047, 85674171)->(5963073772, -123818554) <6>[ 5.942717] mmc0: new HS400 MMC card at address 0001 <6>[ 5.953912] registered taskstats version 1 <6>[ 5.959827] mmcblk0: mmc0:0001 DA4064 58.2 GiB <5>[ 5.969155] Loading compiled-in X.509 certificates <6>[ 5.975000] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.983551] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.990257] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.998080] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.003820] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.011092] PM: Magic number: 8:246:140 <6>[ 6.019815] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.026405] acpi device:11: hash matches <6>[ 6.033686] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.321001] printk: console [netcon0] enabled <6>[ 6.324582] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.326174] netconsole: network logging started <6>[ 6.350230] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.361269] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.372915] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.394296] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.403745] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.412019] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.417572] usb 2-3: Manufacturer: Realtek <6>[ 6.422446] usb 2-3: SerialNumber: 001000001 <6>[ 6.430317] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.506935] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.676602] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.686088] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.694383] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.700050] usb 1-9: Manufacturer: Azurewave <6>[ 6.705174] usb 1-9: SerialNumber: 0x0001 <6>[ 6.717603] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.762914] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.808473] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.845436] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.850702] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.463977] r8152 2-3:1.0 eth0: carrier on <6>[ 8.469127] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.480817] Sending DHCP requests .., OK <6>[ 10.706614] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.715885] IP-Config: Complete: <6>[ 10.719809] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.731791] host=asus-c433ta-aj0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 10.741349] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.741352] nameserver0=192.168.201.1 <5>[ 10.754760] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.766828] modprobe (102) used greatest stack depth: 14208 bytes left <5>[ 10.770158] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 10.774455] modprobe (103) used greatest stack depth: 14120 bytes left <5>[ 10.782262] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.799284] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.802743] clk: Disabling unused clocks <6>[ 10.809303] cfg80211: failed to load regulatory.db <6>[ 10.813976] ALSA device list: <6>[ 10.823184] No soundcards found. <4>[ 10.827654] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.837287] Freeing unused kernel image (initmem) memory: 2156K <6>[ 10.853958] Write protecting the kernel read-only data: 49152k <6>[ 10.861813] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.869642] Freeing unused kernel image (rodata/data gap) memory: 20K <6>[ 10.877178] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 10.899582] systemd-udevd (128) used greatest stack depth: 13816 bytes left <6>[ 10.963536] udevadm (130) used greatest stack depth: 13688 bytes left <6>[ 11.133002] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.141656] chromeos ramoops using acpi device. <4>[ 11.147657] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.166136] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.178412] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <6>[ 11.186870] udevadm (141) used greatest stack depth: 13624 bytes left <4>[ 11.189339] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.214602] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.224431] Intel(R) Wireless WiFi driver for Linux <6>[ 11.236198] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM <6>[ 11.244003] iwlwifi 0000:01:00.0: Found debug configuration: 0 <6>[ 11.251378] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm <6>[ 11.263063] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.263791] Registered efivars operations <6>[ 11.276606] gsmi version 1.0 loaded <6>[ 11.280314] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.289790] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 <6>[ 11.313290] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.321561] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. <6>[ 11.343559] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:59:61:8b <6>[ 11.377376] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 11.394590] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.407368] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.417973] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.434657] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.435924] thermal thermal_zone1: failed to read out thermal zone (-61) <6>[ 11.437827] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 <6>[ 11.458294] modprobe (162) used greatest stack depth: 13616 bytes left <6>[ 11.458315] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.468249] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.475786] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.492889] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.498604] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <6>[ 11.502581] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.504024] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.513961] usbcore: registered new interface driver uvcvideo <6>[ 11.523128] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.532157] USB Video Class driver (1.1.1) <6>[ 11.557794] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.567814] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: wlp1s0 hardware address 14:f6:d8:59:61:8b mtu 1500 DHCP <6>[ 11.648749] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.739332] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 11.749446] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.<6>[ 11.799136] ipconfig (184) used greatest stack depth: 12816 bytes left 201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.948119] nfsmount (185) used greatest stack depth: 12512 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>[ 13.428785] 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>[ 13.465735] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 13.495642] systemd[1]: Hostname set to . <30>[ 14.628042] systemd[1]: Queued start job for default target graphical.target. <30>[ 14.639791] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 14.658484] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 14.680672] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 14.703545] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 14.721331] 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>[ 14.744257] 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>[ 14.770120] 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>[ 14.796979] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0... Expecting device dev-ttyS0.device - /dev/ttyS0... <30>[ 14.813953] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 14.835067] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 14.858069] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 14.875055] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 14.892958] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 14.910069] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 14.925984] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 14.948250] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 14.972960] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [ OK ] Listening on systemd-journ…socket - Journal Audit Socket. <30>[ 14.996214] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 15.020301] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 15.042241] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 15.064476] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 15.086311] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 15.109938] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting dev-hugepages.mount - Huge Pages File System... <30>[ 15.129647] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting dev-mqueue.mount…POSIX Message Queue File System... <30>[ 15.150495] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 15.170505] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Tra<6>[ 15.182811] mount (213) used greatest stack depth: 12368 bytes left ce File System... <30>[ 15.199167] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 15.221650] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 15.242838] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 15.263752] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 15.283754] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 15.305715] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kernel Module fuse... <30>[ 15.325863] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 15.348220] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <6>[ 15.371749] fuse: init (API version 7.32) <30>[ 15.373658] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 15.397708] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 15.420429] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 15.441471] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 15.464892] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. <30>[ 15.485054] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [ OK ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 15.506063] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 15.527025] systemd[1]: Mounted sys-kernel-tracing.mount - Kernel Trace File System. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. <30>[ 15.548128] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Finished kmod-static-nodes…reate List of Static Device Nodes. [ 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... 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... Starting systemd-sysusers.…rvice - Creat<46>[ 15.776460] systemd-journald[224]: Received client request to flush runtime journal. e 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 ] 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... [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Reached target network.target - Network. Starting systemd-rfkill.se…Load/Save RF Kill Switch Status... [ OK ] Finished systemd-backlight…ness of backlight:intel_backlight. [ OK ] Finished systemd-backlight…s of leds:chromeos::kbd_backlight. [ OK ] Started systemd-rfkill.ser…- Load/Save RF Kill Switch Status. [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ 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 5.10.217-cip47 #1 SMP Fri May 17 17:45:30 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/13871413/extract-nfsrootfs-nrclamk_' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/13871413/extract-nfsrootfs-nrclamk_' / # export NFS_SERVER_IP='192.168.201.1' export NFS_SERVER_IP='192.168.201.1' / # # # / # export SHELL=/bin/bash export SHELL=/bin/bash / # . /lava-13871413/environment . /lava-13871413/environment / # /lava-13871413/bin/lava-test-runner /lava-13871413/0 /lava-13871413/bin/lava-test-runner /lava-13871413/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-13871413/0/tests/0_timesync-off ++ cat uuid + UUID=13871413_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-13871413/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=13871413_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/v5.10.216-cip47-111-gec7251db09977/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-05-17 18:08:21-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.216-cip47-111-gec7251db09977/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3475700 (3.3M) [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 6%[> ] 217.50K 421KB/s kselftest_armhf.tar 23%[===> ] 802.92K 978KB/s kselftest_armhf.tar 57%[==========> ] 1.89M 1.73MB/s kselftest_armhf.tar 87%[================> ] 2.89M 2.23MB/s kselftest_armhf.tar 100%[===================>] 3.31M 2.32MB/s in 1.4s 2024-05-17 18:08:23 (2.32 MB/s) - 'kselftest_armhf.tar.gz' saved [3475700/3475700] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 33.561547] 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>[ 34.079243] lkdtm: Performing direct entry BUG <4>[ 34.084873] ------------[ cut here ]------------ <2>[ 34.090423] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 34.096648] invalid opcode: 0000 [#1] SMP PTI <4>[ 34.101820] CPU: 2 PID: 664 Comm: cat Tainted: G W 5.10.217-cip47 #1 <4>[ 34.110673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.117773] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.122449] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 34.143727] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 34.149852] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.158112] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 34.166366] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.174627] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.182887] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 34.191150] FS: 00007f56f5f94740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 34.200481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.207180] CR2: 00007f56f5f73000 CR3: 00000001035aa001 CR4: 00000000003706e0 <4>[ 34.215441] Call Trace: <4>[ 34.218461] ? __die_body.cold+0x1a/0x1f <4>[ 34.223138] ? die+0x2b/0x50 <4>[ 34.226643] ? do_trap+0x91/0x110 <4>[ 34.230633] ? lkdtm_BUG+0x5/0x10 <4>[ 34.234624] ? do_error_trap+0x90/0x110 <4>[ 34.239194] ? lkdtm_BUG+0x5/0x10 <4>[ 34.243182] ? lkdtm_BUG+0x5/0x10 <4>[ 34.247174] ? exc_invalid_op+0x4e/0x70 <4>[ 34.251758] ? lkdtm_BUG+0x5/0x10 <4>[ 34.255762] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.260723] ? direct_entry+0xe0/0xe0 <4>[ 34.265106] ? lkdtm_BUG+0x5/0x10 <4>[ 34.269087] direct_entry.cold+0x2c/0x38 <4>[ 34.273767] full_proxy_write+0x53/0x80 <4>[ 34.278337] vfs_write+0xe7/0x3b0 <4>[ 34.282327] ksys_write+0x68/0xf0 <4>[ 34.286316] do_syscall_64+0x30/0x40 <4>[ 34.290597] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 34.296528] RIP: 0033:0x7f56f608f240 <4>[ 34.300808] 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>[ 34.322084] RSP: 002b:00007ffc661bd4e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.330831] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f56f608f240 <4>[ 34.339093] RDX: 0000000000000004 RSI: 00007f56f5f73000 RDI: 0000000000000001 <4>[ 34.347354] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.355615] R10: 00007f56f5fb04d0 R11: 0000000000000202 R12: 00007f56f5f73000 <4>[ 34.363876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 34.372142] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 34.428291] gsmi: Log Shutdown Reason 0x03 <4>[ 34.433188] ---[ end trace 960df89270c0093b ]--- <4>[ 34.438647] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.443326] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 34.464615] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 34.470752] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.479015] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 34.487286] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.495559] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.503831] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 34.512123] FS: 00007f56f5f94740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 34.521486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.528225] CR2: 00007f56f5f73000 CR3: 00000001035aa001 CR4: 00000000003706e0 # Segmentation fault # [ 34.079243] lkdtm: Performing direct entry BUG # [ 34.084873] ------------[ cut here ]------------ # [ 34.090423] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 34.096648] invalid opcode: 0000 [#1] SMP PTI # [ 34.101820] CPU: 2 PID: 664 Comm: cat Tainted: G W 5.10.217-cip47 #1 # [ 34.110673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.117773] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.122449] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 34.143727] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 34.149852] RAX: ffffffffb3b80220<6>[ 34.629095] lkdtm: Performing direct entry WARNING RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.158112] R<4>[ 34.635746] ------------[ cut here ]------------ <4>[ 34.647397] WARNING: CPU: 2 PID: 703 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 DX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0<4>[ 34.657126] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 34.717605] CPU: 2 PID: 703 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 34.166366] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R<4>[ 34.726464] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.739769] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 34.744924] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 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 cc <4>[ 34.766202] RSP: 0018:ffffb5dc01467e60 EFLAGS: 00010202 09: 0000000000000001 # [ 34.174627] R10: 00000000ffffe000 R11<4>[ 34.772330] RAX: ffffffffb3b80230 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 34.786809] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403c0 <4>[ 34.795072] RBP: ffffffffb5ec69b7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.803335] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 34.811598] R13: ffffb5dc01467f10 R14: ffffb5dc01467f10 R15: ffff96c6c6cec000 <4>[ 34.819861] FS: 00007f2015628740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 34.829193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.835901] CR2: 00007f2015607000 CR3: 0000000103bd8006 CR4: 00000000003706e0 <4>[ 34.844165] Call Trace: <4>[ 34.847188] ? __warn+0x80/0x110 : 3fffffffffffffff R12: 0000000000000004 # [ 34.182887] R13: <4>[ 34.851111] ? lkdtm_WARNING+0x13/0x20 <4>[ 34.861798] ? report_bug+0x9e/0xc0 <4>[ 34.865986] ? handle_bug+0x41/0x90 <4>[ 34.870194] ? exc_invalid_op+0x14/0x70 <4>[ 34.874768] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.879734] ? lkdtm_BUG+0x10/0x10 <4>[ 34.883850] ? lkdtm_WARNING+0x13/0x20 <4>[ 34.888326] direct_entry.cold+0x2c/0x38 <4>[ 34.892999] full_proxy_write+0x53/0x80 <4>[ 34.897599] vfs_write+0xe7/0x3b0 <4>[ 34.901616] ksys_write+0x68/0xf0 <4>[ 34.905608] do_syscall_64+0x30/0x40 <4>[ 34.909891] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 34.915824] RIP: 0033:0x7f2015723240 <4>[ 34.920106] 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>[ 34.941382] RSP: 002b:00007ffefb9ee7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.950131] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2015723240 <4>[ 34.958393] RDX: 0000000000000008 RSI: 00007f2015607000 RDI: 0000000000000001 <4>[ 34.966655] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.974918] R10: 00007f20156444d0 R11: 0000000000000202 R12: 00007f2015607000 <4>[ 34.983181] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 34.991447] irq event stamp: 0 <4>[ 34.995167] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.002460] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.011888] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.021316] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.028609] ---[ end trace 960df89270c0093c ]--- ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 34.191150] FS: 00007f56f5f94740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 34.200481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.207180] CR2: 00007f56f5f73000 CR3: 00000001035aa001 CR4: 00000000003706e0 # [ 34.215441] Call Trace: # [ 34.218461] ? __die_body.cold+0x1a/0x1f # [ 34.223138] ? die+0x2b/0x50 # [ 34.226643] ? do_trap+0x91/0x110 # [ 34.230633] ? lkdtm_BUG+0x5/0x10 # [ 34.234624] ? do_error_trap+0x90/0x110 # [ 34.239194] ? lkdtm_BUG+0x5/0x10 # [ 34.243182] ? lkdtm_BUG+0x5/0x10 # [ 34.247174] ? exc_invalid_op+0x4e/0x70 # [ 34.251758] ? lkdtm_BUG+0x5/0x10 # [ 34.255762] ? asm_exc_invalid_op+0x12/0x20 # [ 34.260723] ? direct_entry+0xe0/0xe0 # [ 34.265106] ? lkdtm_BUG+0x5/0x10 # [ 34.269087] direct_entry.cold+0x2c/0x38 # [ 34.273767] full_proxy_write+0x53/0x80 # [ 34.278337] vfs_write+0xe7/0x3b0 # [ 34.282327] ksys_write+0x68/0xf0 # [ <6>[ 35.130155] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 35.139958] ------------[ cut here ]------------ <4>[ 35.145418] Warning message trigger count: 2 34.286316] do_syscall_64+0x30/0x40 # [ 34.290597] entry_S<4>[ 35.150507] WARNING: CPU: 3 PID: 739 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 YSCALL_64_after_hwframe+0x67/0xcc # [ 34.296528] RIP: 0033:0x<4>[ 35.167199] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 35.227640] CPU: 3 PID: 739 Comm: cat Tainted: G D W 5.10.217-cip47 #1 7f56f608f240 # [ 34.300808] Code: 40 00 48 8b 15 c1 9b 0d 00 <4>[ 35.236496] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.249799] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 35.255767] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 cc c9 03 48 c7 c7 18 6f ec b5 8d 70 01 89 35 01 cc c9 03 e8 66 c4 65 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 35.277041] RSP: 0018:ffffb5dc014cfe60 EFLAGS: 00010286 <4>[ 35.283170] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 35.291434] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0<4>[ 35.299714] RBP: ffffffffb5ec69bf R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.314190] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 35.322453] R13: ffffb5dc014cff10 R14: ffffb5dc014cff10 R15: ffff96c6c60a9000 <4>[ 35.330719] FS: 00007f3beb293740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 <4>[ 35.340062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.352983] CR2: 00007f3beb272000 CR3: 0000000105b24006 CR4: 00000000003706e0 <4>[ 35.361247] Call Trace: <4>[ 35.364288] ? __warn+0x80/0x110 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 34.322084] RSP: 00<4>[ 35.368192] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 35.379656] ? report_bug+0x9e/0xc0 <4>[ 35.383870] ? handle_bug+0x41/0x90 <4>[ 35.388083] ? exc_invalid_op+0x14/0x70 <4>[ 35.392658] ? asm_exc_invalid_op+0x12/0x20 <4>[ 35.397623] ? lkdtm_WARNING_MESSAGE+0x20/0x30 2b:00007ffc661bd4e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.402906] direct_entry.cold+0x2c/0x38 <4>[ 35.413785] full_proxy_write+0x53/0x80 <4>[ 35.418382] vfs_write+0xe7/0x3b0 <4>[ 35.422407] ksys_write+0x68/0xf0 <4>[ 35.426425] do_syscall_64+0x30/0x40 <4>[ 35.430734] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 35.436681] RIP: 0033:0x7f3beb38e240 # [ 34.330831] RAX: ffffffffffffffda RBX: 0000000000000004 RC<4>[ 35.440968] 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>[ 35.468453] RSP: 002b:00007ffe8d0b6808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.477235] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3beb38e240 <4>[ 35.485498] RDX: 0000000000000010 RSI: 00007f3beb272000 RDI: 0000000000000001 <4>[ 35.493764] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.502028] R10: 00007f3beb2af4d0 R11: 0000000000000202 R12: 00007f3beb272000 <4>[ 35.510292] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 35.518560] irq event stamp: 0 X: 00007f56f608f240 # [ 34.339093] RDX: 0000000000000004 RSI:<4>[ 35.522285] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.535787] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.545217] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.554645] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.561938] ---[ end trace 960df89270c0093d ]--- 00007f56f5f73000 RDI: 0000000000000001 # [ 34.347354] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 # [ 34.355615] R10: 00007f56f5fb04d0 R11: 0000000000000202 R12: 00007f56f5f73000 # [ 34.363876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.372142] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstor<6>[ 35.643661] lkdtm: Performing direct entry EXCEPTION e coreboot_table # [ 34.428291] gsmi: Log Shutdown Reason 0x0<1>[ 35.654075] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 35.668337] #PF: supervisor write access in kernel mode <1>[ 35.674461] #PF: error_code(0x0002) - not-present page <6>[ 35.680488] PGD 0 P4D 0 <4>[ 35.683603] Oops: 0002 [#2] SMP PTI <4>[ 35.687784] CPU: 0 PID: 772 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 35.696627] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.703726] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 35.708982] Code: 48 c7 c7 18 6f ec b5 8d 70 01 89 35 01 cc c9 03 e8 66 c4 65 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 35.730254] RSP: 0018:ffffb5dc01567e60 EFLAGS: 00010282 <4>[ 35.736378] RAX: ffffffffb3b80280 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 35.744637] RDX: 0000000000000000 RSI: ffff96c73ac1bf50 RDI: ffffffffb5a403e0 <4>[ 35.752896] RBP: ffffffffb5db9d7f R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.761156] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 35.769418] R13: ffffb5dc01567f10 R14: ffffb5dc01567f10 R15: ffff96c6c606a000 <4>[ 35.777677] FS: 00007fa8d6d32740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 35.787006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.793711] CR2: 0000000000000000 CR3: 0000000102a92002 CR4: 00000000003706f0 <4>[ 35.801970] Call Trace: <4>[ 35.804990] ? __die_body.cold+0x1a/0x1f <4>[ 35.809655] ? no_context+0x177/0x380 <4>[ 35.814040] ? exc_page_fault+0x53/0x170 <4>[ 35.818716] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.823677] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 35.828958] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 35.833521] direct_entry.cold+0x2c/0x38 <4>[ 35.838191] full_proxy_write+0x53/0x80 <4>[ 35.842768] vfs_write+0xe7/0x3b0 <4>[ 35.846760] ksys_write+0x68/0xf0 <4>[ 35.850761] do_syscall_64+0x30/0x40 <4>[ 35.855039] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 35.860968] RIP: 0033:0x7fa8d6e2d240 <4>[ 35.865246] 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>[ 35.886517] RSP: 002b:00007ffeff12c8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.895262] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa8d6e2d240 <4>[ 35.903522] RDX: 000000000000000a RSI: 00007fa8d6d11000 RDI: 0000000000000001 <4>[ 35.911780] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.920040] R10: 00007fa8d6d4e4d0 R11: 0000000000000202 R12: 00007fa8d6d11000 <4>[ 35.928300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 35.936562] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 35.990792] CR2: 0000000000000000 <4>[ 35.994780] ---[ end trace 960df89270c0093e ]--- <4>[ 36.000224] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.004891] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 36.026163] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 36.032287] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.040548] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 36.048808] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.057067] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.065328] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 36.073588] FS: 00007fa8d6d32740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 36.082917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.089622] CR2: 0000000000000000 CR3: 0000000102a92002 CR4: 00000000003706f0 <3>[ 36.097882] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.108083] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 772, name: cat <4>[ 36.116731] INFO: lockdep is turned off. <4>[ 36.121398] irq event stamp: 0 <4>[ 36.125093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.132384] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.141809] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.151235] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.158523] CPU: 0 PID: 772 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 36.167366] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.174458] Call Trace: <4>[ 36.177477] dump_stack+0x77/0x9b <4>[ 36.181465] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.186327] exit_signals+0x1c/0x300 <4>[ 36.190607] do_exit+0xc2/0xab0 <4>[ 36.194401] ? ksys_write+0x68/0xf0 <4>[ 36.198585] make_task_dead+0x2f/0x30 <4>[ 36.202961] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.208502] RIP: 0033:0x7fa8d6e2d240 <4>[ 36.212780] 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>[ 36.234051] RSP: 002b:00007ffeff12c8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 36.242797] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa8d6e2d240 <4>[ 36.251058] RDX: 000000000000000a RSI: 00007fa8d6d11000 RDI: 0000000000000001 <4>[ 36.259315] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 36.267575] R10: 00007fa8d6d4e4d0 R11: 0000000000000202 R12: 00007fa8d6d11000 <4>[ 36.275834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 3 # [ 34.433188] ---[ end trace 960df89270c0093b ]--- # [ 34.438647] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.443326] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 34.464615] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 34.470752] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.479015] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 34.487286] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 34.495559] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.503831] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 34.512123] FS: 00007f56f5f94740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 34.521486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.528225] CR2: 00007f56f5f73000 CR3: 00000001035aa001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 34.629095] lkdtm: Performing direct entry WARNING # [ 34.635746] ------------[ cut here ]------------ # [ 34.647397] WARNING: CPU: 2 PID: 703 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 34.657126] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.717605] CPU: 2 PID: 703 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 34.726464] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.739769] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 34.744924] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 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 cc # [ 34.766202] RSP: 0018:ffffb5dc01467e60 EFLAGS: 00010202 # [ 34.772330] RAX: ffffffffb3b80230 RBX: 0000000000000002 RCX: 0000000000000000 # [ 34.786809] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403c0 # [ 34.795072] RBP: ffffffffb5ec69b7 R08: 0000000000000000 R09: 0000000000000000 # [ 34.803335] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 34.811598] R13: ffffb5dc01467f10 R14: ffffb5dc01467f10 R15: ffff96c6c6cec000 # [ 34.819861] FS: 00007f2015628740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 34.829193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.835901] CR2: 00007f2015607000 CR3: 0000000103bd8006 CR4: 00000000003706e0 # [ 34.844165] Call Trace: # [ 34.847188] ? __warn+0x80/0x110 # [ 34.851111] ? lkdtm_WARNING+0x13/0x20 # [ 34.861798] ? report_bug+0x9e/0xc0 # [ 34.865986] ? handle_bug+0x41/0x90 # [ 34.870194] ? exc_invalid_op+0x14/0x70 # [ 34<6>[ 36.601995] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 36.613846] lkdtm: attempting good list addition .874768] ? asm_exc_invalid_op+0x12/0x20 # [ 34.879734] ? lk<6>[ 36.619312] lkdtm: attempting corrupted list addition dtm_BUG+0x10/0x10 # [ 34.883850] ? lkdtm_WARNING+0x13/0x20 <3>[ 36.631449] lkdtm: list_add() corruption not detected! # [ 34.888326] direct_entry.cold+0x2c/0x38 # [ 34.892999] full_proxy_write+0x53/0x80 # [ 34.897599] vfs_write+0xe7/0x3b0 # [ 34.901616] ksys_write+0x68/0xf0 # [ 34.905608] do_syscall_64+0x30/0x40 # [ 34.909891] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 34.915824] RIP: 0033:0x7f2015723240 # [ 34.920106] 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 # [ 34.941382] RSP: 002b:00007ffefb9ee7f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.950131] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2015723240 # [ 34.958393] RDX: 0000000000000008 RSI: 00007f2015607000 RDI: 0000000000000001 # [ 34.966655] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 # [ 34.974918] R10: 00007f20156444d0 R11: 0000000000000202 R12: 00007f2015607000 # [ 34.983181] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.991447] irq event stamp: 0 # [ 34.995167] hardirqs last enabled at (0): [<0000000000000000>] <6>[ 36.753060] lkdtm: Performing direct entry CORRUPT_LIST_DEL 0x0 # [ 35.002460] hardirqs last disabled at (0): [[ 36.762094] lkdtm: attempting good list removal 30fde5c>] copy_process+0x65c/0x20e0 # [ 35.011888] softirqs l<6>[ 36.773660] lkdtm: attempting corrupted list removal ast enabled at (0): [] copy_process+0x65c/0x2<3>[ 36.785718] lkdtm: list_del() corruption not detected! 0e0 # [ 35.021316] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.028609] ---[ end trace 960df89270c0093c ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 35.130155] lkdtm: Performing direct entry WARNING_MESSAGE # [ 35.139958] ------------[ cut here ]------------ # [ 35.145418] Warning message trigger count: 2 # [ 35.150507] WARNING: CPU: 3 PID: 739 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.167199] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core <6>[ 36.876783] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 36.886056] lkdtm: attempting bad read from page below current stack <0>[ 36.893479] BUG: stack guard page was hit at 000000001071a5a7 (stack is 000000007f265b81..0000000025f4acbe) videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress i<4>[ 36.904662] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 36.917968] CPU: 3 PID: 1005 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 36.926899] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.933997] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 36.940800] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b8 72 ec b5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8c dd fb ff 48 c7 c7 f8 72 ec b5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 72 dd fb ff 0f 1f 44 <4>[ 36.962075] RSP: 0018:ffffb5dc0186fe50 EFLAGS: 00010246 <4>[ 36.968200] RAX: 0000000000000038 RBX: ffffb5dc0186c000 RCX: 0000000000000000 <4>[ 36.976459] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffffffffb5ec72f8 <4>[ 36.984719] RBP: ffffffffb5ec6a22 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.992979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 37.001238] R13: ffffb5dc0186ff10 R14: ffffb5dc0186ff10 R15: ffff96c6c277a000 <4>[ 37.009498] FS: 00007fe16056a740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 37.018827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.025531] CR2: ffffb5dc0186bfff CR3: 0000000103612002 CR4: 00000000003706e0 <4>[ 37.033792] Call Trace: <4>[ 37.036810] <#DF> <4>[ 37.039334] ? __die_body.cold+0x1a/0x1f <4>[ 37.044003] ? die+0x2b/0x50 <4>[ 37.047505] ? handle_stack_overflow+0x3e/0x4d <4>[ 37.052765] ? no_context+0x24d/0x380 <4>[ 37.057140] wlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iw<4>[ 37.059768] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 37.120214] ---[ end trace 960df89270c0093f ]--- <4>[ 37.125650] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.130317] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 37.151587] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 37.157716] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.165976] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 37.174237] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.182499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.190760] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 37.199019] FS: 00007fe16056a740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 37.208346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.215051] CR2: ffffb5dc0186bfff CR3: 0000000103612002 CR4: 00000000003706e0 <3>[ 37.223310] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 37.233511] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat <4>[ 37.242255] INFO: lockdep is turned off. <4>[ 37.246922] irq event stamp: 0 <4>[ 37.250619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.257899] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.267323] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.276763] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.284052] CPU: 3 PID: 1005 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 37.292982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.300076] Call Trace: <4>[ 37.303095] dump_stack+0x77/0x9b <4>[ 37.307083] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.311944] exit_signals+0x1c/0x300 <4>[ 37.316215] do_exit+0xc2/0xab0 <4>[ 37.320010] ? ksys_write+0x68/0xf0 <4>[ 37.324194] make_task_dead+0x2f/0x30 <4>[ 37.328570] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.334110] RIP: 0033:0x7fe160665240 <4>[ 37.338388] 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>[ 37.359660] RSP: 002b:00007fff313b10c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 37.368396] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe160665240 <4>[ 37.376656] RDX: 0000000000000019 RSI: 00007fe160549000 RDI: 0000000000000001 <4>[ 37.384916] RBP: 0000000000000019 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 37.393175] R10: 00007fe1605864d0 R11: 0000000000000202 R12: 00007fe160549000 <4>[ 37.401434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 lwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.227640] CPU: 3 PID: 739 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 35.236496] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.249799] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.255767] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 cc c9 03 48 c7 c7 18 6f ec b5 8d 70 01 89 35 01 cc c9 03 e8 66 c4 65 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 35.277041] RSP: 0018:ffffb5dc014cfe60 EFLAGS: 00010286 # [ 35.283170] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 35.291434] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 35.299714] RBP: ffffffffb5ec69bf R08: 0000000000000000 R09: 0000000000000000 # [ 35.314190] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 3<6>[ 37.499288] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 37.510358] lkdtm: attempting bad read from page above current stack <0>[ 37.517765] BUG: stack guard page was hit at 000000009a2fe4f3 (stack is 00000000b9890649..0000000061f49aa4) <4>[ 37.528948] kernel stack overflow (page fault): 0000 [#4] SMP PTI 5.322453] R13: ffffb5dc014cff10 R14: ffffb5dc014cff10 R15: ffff9<4>[ 37.536045] CPU: 3 PID: 1039 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 37.551196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 6c<6c60a9000 # [ 35.330719] FS: 00007f3beb293740(0000) GS:fff4>[ 37.558295] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 37.571414] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 30 73 ec b5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 52 dd fb ff 48 c7 c7 70 73 ec b5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 35 dd fb ff <4>[ 37.592702] RSP: 0018:ffffb5dc018afe50 EFLAGS: 00010246 f96c73ad80000(0000) knlGS:0000000000000000 # [ 35.340062] CS:<4>[ 37.598837] RAX: 0000000000000038 RBX: ffffb5dc018ac000 RCX: 0000000000000000 <4>[ 37.613310] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffffffffb5ec7370 <4>[ 37.621569] RBP: ffffffffb5ec6a3b R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.629828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 37.638087] R13: ffffb5dc018aff10 R14: ffffb5dc018aff10 R15: ffff96c6c27b9000 <4>[ 37.646347] FS: 00007fb8dac4f740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 37.655676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.662374] CR2: ffffb5dc018b0000 CR3: 0000000105bf8003 CR4: 00000000003706e0 <4>[ 37.670634] Call Trace: <4>[ 37.673652] <#DF> <4>[ 37.676187] ? __die_body.cold+0x1a/0x1f <4>[ 37.680856] ? die+0x2b/0x50 <4>[ 37.684359] ? handle_stack_overflow+0x3e/0x4d <4>[ 37.689611] ? no_context+0x24d/0x380 <4>[ 37.693985] 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.352983]<4>[ 37.696613] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 37.757061] ---[ end trace 960df89270c00940 ]--- <4>[ 37.762507] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.767174] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 37.788448] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 37.794562] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.802821] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 37.811081] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.819341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.827600] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 37.835860] FS: 00007fb8dac4f740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 37.845187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.851892] CR2: ffffb5dc018b0000 CR3: 0000000105bf8003 CR4: 00000000003706e0 CR2: 00007f3beb272000 CR3: 0000000105b24006 CR4: 00000000003706e0 # [ 35.361247] Call Trace: # [ 35.364288] ? __warn+0x80/0x110 # [ 35.368192] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.379656] ? report_bug+0x9e/0xc0 # [ 35.383870] ? handle_bug+0x41/0x90 # [ 35.388083] ? exc_invalid_op+0x14/0x70 # [ 35.392658] ? asm_exc_invalid_op+0x12/0x20 # [ 35.397623] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.402906] direct_entry.cold+0x2c/0x38 # [ 35.413785] full_proxy_write+0x53/0x80 # [ 35.418382] vfs_write+0xe7/0x3b0 # [ 35.422407] ksys_write+0x68/0xf0 # [ 35.426425] do_syscall_64+0x30/0x40 # [ 35.430734] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 35.436681] RIP: 0033:0x7f3beb38e240 # [ 35.440968] 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 # [ 35.468453] RSP: 002b:00007ffe8d0b6808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.477235] RAX: ffffffffffffffda <6>[ 37.964992] lkdtm: Performing direct entry UNSET_SMEP <6>[ 37.971788] lkdtm: trying to clear SMEP normally <4>[ 37.977263] ------------[ cut here ]------------ RBX: 0000000000000010 RCX: 00007f3beb38e240 # [ 35.485498] RD<4>[ 37.982716] pinned CR4 bits changed: 0x100000!? <4>[ 37.994297] WARNING: CPU: 3 PID: 1076 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 X: 0000000000000010 RSI: 00007f3beb272000 RDI: 0000000000000001 <4>[ 38.004807] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.493764] RBP: 0000000000000010 R08: 00000000ffffffff R0<4>[ 38.065216] CPU: 3 PID: 1076 Comm: cat Tainted: G D W 5.10.217-cip47 #1 9: 0000000000000000 # [ 35.502028] R10: 00007f3beb2af4d0 R11:<4>[ 38.080374] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000202 R12: 00007f3beb272000 # [ 35.510292] R13: 0<4>[ 38.093689] RIP: 0010:native_write_cr4+0x45/0x60 000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [<4>[ 38.105354] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 5f 4e 26 03 00 75 f2 48 c7 c7 20 3e dc b5 c6 05 4f 4e 26 03 01 e8 81 a2 11 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 35.518560] irq event stamp: 0 # [ 35.522285] hardirqs last<4>[ 38.132846] RSP: 0018:ffffb5dc0199fe48 EFLAGS: 00010286 enabled at (0): [<0000000000000000>] 0x0 # [ 35.535787] har<4>[ 38.145190] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 dirqs last disabled at (0): [] copy_process+0x<4>[ 38.159666] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 65c/0x20e0 # [ 35.545217] softirqs last enabled at (0): [[ 38.174150] RBP: ffffffffb5ec6a55 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.188627] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b ffffffb30fde5c>] copy_process+0x65c/0x20e0 # [ 35.554645] sof<4>[ 38.196898] R13: ffffb5dc0199ff10 R14: ffffb5dc0199ff10 R15: ffff96c6c50a0000 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.5<4>[ 38.211368] FS: 00007f35e5d9b740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 61938] ---[ end trace 960df89270c0093d ]--- # WARNING_MESSAGE: <4>[ 38.226919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAG<4>[ 38.239843] CR2: 00007f35e5d7a000 CR3: 000000010617a002 CR4: 00000000003706e0 E.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 35.64366<4>[ 38.254324] Call Trace: 1] lkdtm: Performing direct entry EXCEPTION # [ 35.654075] BU<4>[ 38.263571] ? __warn+0x80/0x110 G: kernel NULL pointer dereference, address: 0000000000000000 #<4>[ 38.273673] ? native_write_cr4+0x45/0x60 [ 35.668337] #PF: supervisor write access in kernel mode # [<4>[ 38.284659] ? report_bug+0x9e/0xc0 35.674461] #PF: error_code(0x0002) - not-present page # [ <4>[ 38.295061] ? handle_bug+0x41/0x90 35.680488] PGD 0 P4D 0 # [ 35.683603] Oops: 0002 [#2] SMP PT<4>[ 38.305464] ? exc_invalid_op+0x14/0x70 I # [ 35.687784] CPU: 0 PID: 772 Comm: cat Tainted: G D <4>[ 38.316253] ? asm_exc_invalid_op+0x12/0x20 W 5.10.217-cip47 #1 # [ 35.696627] Hardware name: Goo<4>[ 38.327440] ? native_write_cr4+0x45/0x60 gle Rammus/Rammus, BIOS 09/04/2020 # [ 35.703726] RIP: 0010:<4>[ 38.338416] ? native_write_cr4+0x45/0x60 lkdtm_EXCEPTION+0x5/0x20 # [ 35.708982] Code: 48 c7 c7 18 6f <4>[ 38.349403] lkdtm_UNSET_SMEP.cold+0x1d/0x103 ec b5 8d 70 01 89 35 01 cc c9 03 e8 66 c4 65 00 0f 0b c3 cc cc c<4>[ 38.360776] direct_entry.cold+0x2c/0x38 c cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 <4>[ 38.371665] full_proxy_write+0x53/0x80 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 35.730<4>[ 38.382454] vfs_write+0xe7/0x3b0 254] RSP: 0018:ffffb5dc01567e60 EFLAGS: 00010282 # [ 35.73637<4>[ 38.392665] ksys_write+0x68/0xf0 8] RAX: ffffffffb3b80280 RBX: 0000000000000004 RCX: 000000000000<4>[ 38.402870] do_syscall_64+0x30/0x40 <4>[ 38.413366] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 38.419332] RIP: 0033:0x7f35e5e96240 <4>[ 38.423616] 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>[ 38.444925] RSP: 002b:00007ffe914d9c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 38.453719] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f35e5e96240 <4>[ 38.461990] RDX: 000000000000000b RSI: 00007f35e5d7a000 RDI: 0000000000000001 <4>[ 38.470255] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 38.478519] R10: 00007f35e5db74d0 R11: 0000000000000202 R12: 00007f35e5d7a000 <4>[ 38.486785] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 38.495055] irq event stamp: 0 0000 # [ 35.744637] RDX: 0000000000000000 RSI: ffff96c73ac1bf<4>[ 38.498785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.512285] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 50 RDI: ffffffffb5a403e0 # [ 35.752896] RBP: ffffffffb5db9d7f<4>[ 38.521717] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.537365] softirqs last disabled at (0): [<0000000000000000>] 0x0 R08: 0000000000000000 R09: 0000000000000000 # [ 35.761156] R<4>[ 38.544686] ---[ end trace 960df89270c00941 ]--- <6>[ 38.556342] lkdtm: ok: SMEP did not get cleared 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a<6>[ 38.561713] lkdtm: trying to clear SMEP with call gadget <6>[ 38.574176] lkdtm: ok: SMEP removal was reverted # [ 35.769418] R13: ffffb5dc01567f10 R14: ffffb5dc01567f10 R15: ffff96c6c606a000 # [ 35.777677] FS: 00007fa8d6d32740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 # [ 35.787006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.793711] CR2: 0000000000000000 CR3: 0000000102a92002 CR4: 00000000003706f0 # [ 35.801970] Call Trace: # [ 35.804990] ? __die_body.cold+0x1a/0x1f # [ 35.809655] ? no_context+0x177/0x380 # [ 35.814040] ? exc_page_fault+0x53/0x170 # [ 35.818716] ? asm_exc_page_fault+0x1e/0x30 # [ 35.823677] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 35.828958] ? lkdtm_EXCEPTION+0x5/0x20 # [ 35.833521] direct_entry.cold+0x2c/0x38 # [ 35.838191] full_proxy_write+0x53/0x80 # [ 35.842768] vfs_write+0xe7/0x3b0 # [ 35.846760] ksys_write+0x68/0xf0 # [ 35.850761] do_syscall_64+0x30/0x40 # [ 35.855039] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 35.860968] RIP: 0033:0x7fa8d6e2d240 # [ 35.865246] 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 <6>[ 38.682698] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 38.691418] lkdtm: XFAIL: this test is ia32-only 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 # [ 35.886517] RSP: 002b:00007ffeff12c8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.895262] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa8d6e2d240 # [ 35.903522] RDX: 000000000000000a RSI: 00007fa8d6d11000 RDI: 0000000000000001 # [ 35.911780] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 35.920040] R10: 00007fa8d6d4e4d0 R11: 0000000000000202 R12: 00007fa8d6d11000 # [ 35.928300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 35.936562] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore cor<6>[ 38.806607] lkdtm: Performing direct entry CORRUPT_PAC eboot_table # [ 35.990792] CR2: 0000000000000000 # [ 35.99<3>[ 38.814820] lkdtm: XFAIL: this test is arm64-only 4780] ---[ end trace 960df89270c0093e ]--- # [ 36.000224] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.004891] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 36.026163] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 36.032287] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.040548] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 36.048808] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 36.057067] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.065328] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 36.073588] FS: 00007fa8d6d32740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 # [ 36.082917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.089622] CR2: 0000000000000000 CR3: 0000000102a92002 CR4: 0000<6>[ 38.923748] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 38.933533] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 0000003706f0 # [ 36.097882] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.108083] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 772, name: cat # [ 36.116731] INFO: lockdep is turned off. # [ 36.121398] irq event stamp: 0 # [ 36.125093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.132384] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.141809] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 36.151235] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.158523] CPU: 0 PID: 772 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 36.167366] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.174458] Call Trace: # [ 36.177477] dump_stack+0x77/0x9b # [ 36.181465] ___might_sleep.cold+0xa6/0xb6 # [ 36.186327] exit_signals+0x1c/0x300 # [ 36.190607] do_exit+0xc2/0xab0 # [ 36.194401] ? ksys_write+0x68/0xf0 # [ 36.198585] make_task_dead+0x2f/0x30 # [ 36.202961] rewind_stack_and_make_dead+0x17/0x20 # [ 36.208502] RIP: 0033:0x7fa8d6e2d240 # [ 36.212780] 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 # [ 36.234051] RSP: 002b:00007ffeff12c8c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 36.242797] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa8d6e2d240 # [ 36.251058] RDX: 000000000000000a RSI: 00007fa8d6d11000 RDI: 0000000000000001 # [ 36.259315] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000<6>[ 39.108732] lkdtm: Performing direct entry READ_AFTER_FREE 000000 # [ 36.267575] R10: 00007fa8d6d4e4d0 R11: 000000000000<6>[ 39.115734] lkdtm: Value in memory before free: 12345678 0202 R12: 00007fa8d6d11000 # [ 36.275834] R13: 00000000000000<6>[ 39.128192] lkdtm: Attempting bad read from freed memory 01 R14: 0000000000020000 R15: 0000000000000000 # EXCEPTION: saw<6>[ 39.140633] lkdtm: Memory was not poisoned '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 # [ 36.601995] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 36.613846] lkdtm: attempting good list addition # [ 36.619312] lkdtm: attempting corrupted list addition # [ 36.631449] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 36.753060] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 36.762094] lkdtm: attempting good list removal # [ 36.773660] lkdtm: attempting corrupted list removal # [ 36.785718] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=<6>[ 39.286181] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 39.295443] lkdtm: Value in memory before free: 12345678 <6>[ 39.301720] lkdtm: Attempting to read from freed memory 1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentati<6>[ 39.307856] lkdtm: Buddy page was not poisoned on fault # [ 36.876783] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 36.886056] lkdtm: attempting bad read from page below current stack # [ 36.893479] BUG: stack guard page was hit at 000000001071a5a7 (stack is 000000007f265b81..0000000025f4acbe) # [ 36.904662] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 36.917968] CPU: 3 PID: 1005 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 36.926899] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.933997] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 36.940800] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b8 72 ec b5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8c dd fb ff 48 c7 c7 f8 72 ec b5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 72 dd fb ff 0f 1f 44 # [ 36.962075] RSP: 0018:ffffb5dc01<6>[ 39.398242] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 86fe50 EFLAGS: 00010246 # [ 36.968200] RAX: 0000000000000038 <6>[ 39.406666] lkdtm: Attempting double slab free ... RBX: ffffb5dc0186c000 RCX: 0000000000000000 # [ 36.976459] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffffffffb5ec72f8 # [ 36.984719] RBP: ffffffffb5ec6a22 R08: 0000000000000000 R09: 0000000000000000 # [ 36.992979] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 37.001238] R13: ffffb5dc0186ff10 R14: ffffb5dc0186ff10 R15: ffff96c6c277a000 # [ 37.009498] FS: 00007fe16056a740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 37.018827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.025531] CR2: ffffb5dc0186bfff CR3: 0000000103612002 CR4: 00000000003706e0 # [ 37.033792] Call Trace: # [ 37.036810] <#DF> # [ 37.039334] ? __die_body.cold+0x1a/0x1f # [ 37.044003] ? die+0x2b/0x50 # [ 37.047505] ? handle_stack_overflow+0x3e/0x4d # [ 37.05276<6>[ 39.499124] lkdtm: Performing direct entry SLAB_FREE_CROSS 5] ? no_context+0x24d/0x380 # [ 37.057140] # [ 37<6>[ 39.505739] lkdtm: Attempting cross-cache slab free ... .059768] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 37.120214] ---[ end trace 960df89270c0093f ]--- # [ 37.125650] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.130317] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 <6>[ 39.597948] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 39.605200] lkdtm: Attempting non-Slab slab free ... 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 37.151587] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 37.157716] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.165976] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 37.174237] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 37.182499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.190760] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 37.199019] FS: 00007fe16056a740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 37.208346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.215051] CR2: ffffb5dc0186bfff CR3: 0000000103612002 CR4: 00000000003706e0 # [ 37.223310] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.233511] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1005, name: cat # [ 37.242255] INFO: lockdep is turned off. # [ 37.246922] irq event stamp: 0 # [ 37.250619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.257899] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.267323] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.276763] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.284052] CPU: 3 PID: 1005 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 37.292982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.300076] Call Trace: # [ 37.303095] dump_stack+0x77/0x9b # [ 37.307083] ___might_sleep.cold+0xa6/0xb6 # [ 37.311944] exit_signals+0x1c/0x300 # [ 37.316215] do_exit+0xc2/0xab0 # [ 37.320010] ? ksys_write+0x68/0xf0 # [ 37.324194] make_task_dead+0x2f/0x30 # [ 37.328570] rewind_stack_and_make_dead+0x17/0x20 # [ 37.334110] RIP: 0033:0x7fe160665240 # [ 37.338388] 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 # [ 37.359660] RSP: 002b:00007fff313b10c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # <6>[ 39.823213] lkdtm: Performing direct entry EXEC_DATA <6>[ 39.834493] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 39.841364] lkdtm: attempting bad execution at ffffffffb781cea0 [ 37.368396] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: <2>[ 39.848297] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.863143] BUG: unable to handle page fault for address: ffffffffb781cea0 <1>[ 39.871112] #PF: supervisor instruction fetch in kernel mode <1>[ 39.877721] #PF: error_code(0x0011) - permissions violation <6>[ 39.884249] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 80000001346000e3 <4>[ 39.892319] Oops: 0011 [#5] SMP PTI <4>[ 39.896492] CPU: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 39.905430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.912529] RIP: 0010:data_area+0x0/0x40 <4>[ 39.917198] Code: ff ff 00 e5 21 c5 c6 96 ff ff 00 e4 21 c5 c6 96 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 39.938461] RSP: 0018:ffffb5dc02277e48 EFLAGS: 00010246 <4>[ 39.944586] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.952847] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 <4>[ 39.961106] RBP: ffffffffb781cea0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.969366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 39.977626] R13: ffffb5dc02277f10 R14: ffffb5dc02277f10 R15: ffff96c6c5b48000 <4>[ 39.985886] FS: 00007f6196b23740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 39.995214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.001920] CR2: ffffffffb781cea0 CR3: 0000000106226003 CR4: 00000000003706e0 <4>[ 40.010180] Call Trace: <4>[ 40.013201] ? __die_body.cold+0x1a/0x1f <4>[ 40.017870] ? no_context+0x177/0x380 <4>[ 40.022249] ? exc_page_fault+0xd7/0x170 <4>[ 40.026918] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.031880] ? execute_location+0x45/0x56 <4>[ 40.036646] ? direct_entry.cold+0x2c/0x38 <4>[ 40.041500] ? full_proxy_write+0x53/0x80 <4>[ 40.046257] ? vfs_write+0xe7/0x3b0 <4>[ 40.050431] ? ksys_write+0x68/0xf0 <4>[ 40.054614] ? do_syscall_64+0x30/0x40 <4>[ 40.059078] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc 00007fe160665240 # [ 37.376656] RDX: 0000000000000019 RSI: 00<4>[ 40.065204] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.125646] CR2: ffffffffb781cea0 <4>[ 40.129634] ---[ end trace 960df89270c00942 ]--- <4>[ 40.135078] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.139759] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 40.161064] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 40.167178] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.175439] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 40.183713] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.191971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.200231] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 40.208490] FS: 00007f6196b23740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 40.217818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.224524] CR2: ffffffffb781cea0 CR3: 0000000106226003 CR4: 00000000003706e0 <3>[ 40.232783] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.242985] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1600, name: cat <4>[ 40.251730] INFO: lockdep is turned off. <4>[ 40.256397] irq event stamp: 0 <4>[ 40.260093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.267383] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.276808] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.286235] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.293523] CPU: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 40.302462] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.309557] Call Trace: <4>[ 40.312576] dump_stack+0x77/0x9b <4>[ 40.316565] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.321429] exit_signals+0x1c/0x300 <4>[ 40.325713] do_exit+0xc2/0xab0 <4>[ 40.329508] ? ksys_write+0x68/0xf0 <4>[ 40.333714] make_task_dead+0x2f/0x30 <4>[ 40.338089] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.343631] RIP: 0033:0x7f6196c1e240 <4>[ 40.347914] 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 007fe160549000 RDI: 0000000000000001 # [ 37.384916] RBP: 0000<4>[ 40.369190] RSP: 002b:00007ffeb6d417b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 40.384149] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6196c1e240 <4>[ 40.392401] RDX: 000000000000000a RSI: 00007f6196b02000 RDI: 0000000000000001 <4>[ 40.400662] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 40.408923] R10: 00007f6196b3f4d0 R11: 0000000000000202 R12: 00007f6196b02000 <4>[ 40.417182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 000000000019 R08: 00000000ffffffff R09: 0000000000000000 # [ 37.393175] R10: 00007fe1605864d0 R11: 0000000000000202 R12: 00007fe160549000 # [ 37.401434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 37.499288] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 37.510358] lkdtm: attempting bad read from page above current stack # [ 37.517765] BUG: stack guard page was hit at 000000009a2fe4f3 (stack is 00000000b9890649..0000000061f49aa4) # [ 37.528948] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 37.536045] CPU: 3 PID: 1039 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 37.551196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.558295] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 37.571414] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 30 73 ec b5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 52 dd fb ff 48 c7 c7 70 73 ec b5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 35 dd fb ff # [ 37.592702] RSP: 0018:ffffb5dc018afe50 EFLAGS: 00010246 # [ 37.598837] RAX: 0000000000000038 RBX: ffffb5dc018ac000 RCX: 0000000000000000 # [ 37.613310] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: fffffff<6>[ 40.557896] lkdtm: Performing direct entry EXEC_STACK <6>[ 40.568157] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 40.574971] lkdtm: attempting bad execution at ffffb5dc022f7e18 fb5ec7370 # [ 37.621569] RBP: ffffffffb5ec6a3b R08: 000000000<2>[ 40.581903] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.596765] BUG: unable to handle page fault for address: ffffb5dc022f7e18 <1>[ 40.604730] #PF: supervisor instruction fetch in kernel mode <1>[ 40.611329] #PF: error_code(0x0011) - permissions violation <6>[ 40.617841] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1035a5067 PTE 8000000105b5c063 <4>[ 40.627172] Oops: 0011 [#6] SMP PTI <4>[ 40.631355] CPU: 2 PID: 1637 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 40.640295] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.647391] RIP: 0010:0xffffb5dc022f7e18 <4>[ 40.652049] Code: 00 00 18 7e 2f 02 dc b5 ff ff 7e 47 22 b4 ff ff ff ff 20 00 00 00 00 00 00 00 7e 6b ec b5 ff ff ff ff ad 48 22 b4 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 40.673322] RSP: 0018:ffffb5dc022f7df8 EFLAGS: 00010246 <4>[ 40.679437] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.687711] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 <4>[ 40.695972] RBP: ffffb5dc022f7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.704232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 40.712493] R13: ffffb5dc022f7f10 R14: ffffb5dc022f7f10 R15: ffff96c6c2c8a000 <4>[ 40.720764] FS: 00007f47d7e26740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 40.730091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.736798] CR2: ffffb5dc022f7e18 CR3: 0000000107096006 CR4: 00000000003706e0 <4>[ 40.745057] Call Trace: <4>[ 40.748077] ? __die_body.cold+0x1a/0x1f <4>[ 40.752764] ? no_context+0x177/0x380 <4>[ 40.757143] ? exc_page_fault+0xd7/0x170 <4>[ 40.761810] ? asm_exc_page_fault+0x1e/0x30 <4>[ 40.766784] ? execute_location+0x45/0x56 <4>[ 40.771547] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 40.776313] ? direct_entry.cold+0x2c/0x38 <4>[ 40.781176] ? full_proxy_write+0x53/0x80 <4>[ 40.785943] ? vfs_write+0xe7/0x3b0 <4>[ 40.790125] ? ksys_write+0x68/0xf0 <4>[ 40.794307] ? do_syscall_64+0x30/0x40 <4>[ 40.798780] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc 0000000 R09: 0000000000000000 # [ 37.629828] R10: 00000000fff<4>[ 40.804905] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.865348] CR2: ffffb5dc022f7e18 <4>[ 40.869336] ---[ end trace 960df89270c00943 ]--- <4>[ 40.874780] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.879448] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 40.900720] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 40.906845] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.915104] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 40.923363] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.931623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.939886] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 40.948148] FS: 00007f47d7e26740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 40.957478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.964185] CR2: ffffb5dc022f7e18 CR3: 0000000107096006 CR4: 00000000003706e0 fe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 37.638087] R13: ffffb5dc018aff10 R14: ffffb5dc018aff10 R15: ffff96c6c27b9000 # [ 37.646347] FS: 00007fb8dac4f740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 37.655676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.662374] CR2: ffffb5dc018b0000 CR3: 0000000105bf8003 CR4: 00000000003706e0 # [ 37.670634] Call Trace: # [ 37.673652] <#DF> # [ 37.676187] ? __die_body.cold+0x1a/0x1f # [ 37.680856] ? die+0x2b/0x50 # [ 37.684359] ? handle_stack_overflow+0x3e/0x4d # [ 37.689611] ? no_context+0x24d/0x380 # [ 37.693985] # [ 37.696613] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwif<6>[ 41.074470] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 41.084259] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 41.091097] lkdtm: attempting bad execution at ffff96c6c2ab1b00 <2>[ 41.098018] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.106675] BUG: unable to handle page fault for address: ffff96c6c2ab1b00 <1>[ 41.114648] #PF: supervisor instruction fetch in kernel mode <1>[ 41.121249] #PF: error_code(0x0011) - permissions violation <6>[ 41.127762] PGD 134801067 P4D 134801067 PUD 100246063 PMD 105434063 PTE 8000000102ab1063 i videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd<4>[ 41.137095] Oops: 0011 [#7] SMP PTI <4>[ 41.147490] CPU: 3 PID: 1674 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 41.156429] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.163525] RIP: 0010:0xffff96c6c2ab1b00 <4>[ 41.168193] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 41.189467] RSP: 0018:ffffb5dc0236fe38 EFLAGS: 00010246 <4>[ 41.195590] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.203851] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 41.212110] RBP: ffff96c6c2ab1b00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.220368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 41.228628] R13: ffffb5dc0236ff10 R14: ffffb5dc0236ff10 R15: ffff96c6c69b7000 <4>[ 41.236889] FS: 00007f684e4f4740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 41.246218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.252923] CR2: ffff96c6c2ab1b00 CR3: 00000001050b6002 CR4: 00000000003706e0 <4>[ 41.261182] Call Trace: <4>[ 41.264202] ? __die_body.cold+0x1a/0x1f <4>[ 41.268871] ? no_context+0x177/0x380 <4>[ 41.273249] ? exc_page_fault+0xd7/0x170 <4>[ 41.277917] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.282871] ? execute_location+0x45/0x56 <4>[ 41.287637] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 41.292595] ? direct_entry.cold+0x2c/0x38 <4>[ 41.297460] ? full_proxy_write+0x53/0x80 <4>[ 41.302226] ? vfs_write+0xe7/0x3b0 <4>[ 41.306409] ? ksys_write+0x68/0xf0 <4>[ 41.310583] ? do_syscall_64+0x30/0x40 <4>[ 41.315056] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 41.321184] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table _led_backlight chromeos_pstore coreboot_table # [ 37.757061] <4>[ 41.375421] CR2: ffff96c6c2ab1b00 <4>[ 41.385619] ---[ end trace 960df89270c00944 ]--- <4>[ 41.391064] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.395722] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 41.416995] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 41.423120] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.431379] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 41.439638] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.447899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.456159] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 41.464420] FS: 00007f684e4f4740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 41.473764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.480471] CR2: ffff96c6c2ab1b00 CR3: 00000001050b6002 CR4: 00000000003706e0 <3>[ 41.488732] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.498934] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat <4>[ 41.507680] INFO: lockdep is turned off. <4>[ 41.512346] irq event stamp: 0 <4>[ 41.516043] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.523333] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.532764] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.542189] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.549478] CPU: 3 PID: 1674 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 41.558417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.565512] Call Trace: <4>[ 41.568531] dump_stack+0x77/0x9b <4>[ 41.572519] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.577382] exit_signals+0x1c/0x300 <4>[ 41.581662] do_exit+0xc2/0xab0 <4>[ 41.585455] ? ksys_write+0x68/0xf0 <4>[ 41.589638] make_task_dead+0x2f/0x30 <4>[ 41.594015] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.599548] RIP: 0033:0x7f684e5ef240 <4>[ 41.603827] 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>[ 41.625098] RSP: 002b:00007ffcf266f808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 41.633843] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f684e5ef240 <4>[ 41.642104] RDX: 000000000000000d RSI: 00007f684e4d3000 RDI: 0000000000000001 <4>[ 41.650365] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 <4>[ 41.658624] R10: 00007f684e5104d0 R11: 0000000000000202 R12: 00007f684e4d3000 <4>[ 41.666883] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ---[ end trace 960df89270c00940 ]--- # [ 37.762507] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.767174] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 37.788448] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 37.794562] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.802821] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 37.811081] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 37.819341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.827600] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 37.835860] FS: 00007fb8dac4f740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 37.845187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.851892] CR2: ffffb5dc018b0000 CR3: 0000000105bf8003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 37.964992] lkdtm: Performing direct entry UNSET_SMEP # [ 37.971788] lkdtm: trying to clear SMEP normally # [ 37.977263] ------------[ cut here ]------------ # [ 37.982716] pinned CR4 bits changed: 0x100000!? # [ 37.99<6>[ 41.810702] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 41.818092] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 41.824945] lkdtm: attempting bad execution at ffffb5dc00361000 <2>[ 41.831910] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 4297] WARNING: CPU: 3 PID: 1076 at arch/x86/kernel/cpu/common.c:<1>[ 41.840577] BUG: unable to handle page fault for address: ffffb5dc00361000 <1>[ 41.854760] #PF: supervisor instruction fetch in kernel mode <1>[ 41.861361] #PF: error_code(0x0011) - permissions violation <6>[ 41.867873] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 100974067 PTE 800000010613d063 <4>[ 41.877205] Oops: 0011 [#8] SMP PTI <4>[ 41.881386] CPU: 3 PID: 1711 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 41.890324] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.897422] RIP: 0010:0xffffb5dc00361000 <4>[ 41.902091] Code: Unable to access opcode bytes at RIP 0xffffb5dc00360fd6. <4>[ 41.910060] RSP: 0018:ffffb5dc023ffe38 EFLAGS: 00010246 <4>[ 41.916195] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.924456] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 41.932716] RBP: ffffb5dc00361000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.940977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 41.949236] R13: ffffb5dc023fff10 R14: ffffb5dc023fff10 R15: ffff96c6c613d000 <4>[ 41.957497] FS: 00007f940d920740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 41.966825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.973530] CR2: ffffb5dc00360fd6 CR3: 0000000105a3e002 CR4: 00000000003706e0 <4>[ 41.981791] Call Trace: <4>[ 41.984812] ? __die_body.cold+0x1a/0x1f <4>[ 41.989481] ? no_context+0x177/0x380 <4>[ 41.993851] ? exc_page_fault+0xd7/0x170 <4>[ 41.998521] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.003485] ? execute_location+0x45/0x56 <4>[ 42.008252] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 42.013210] ? direct_entry.cold+0x2c/0x38 <4>[ 42.018074] ? full_proxy_write+0x53/0x80 <4>[ 42.022841] ? vfs_write+0xe7/0x3b0 <4>[ 42.027023] ? ksys_write+0x68/0xf0 <4>[ 42.031208] ? do_syscall_64+0x30/0x40 <4>[ 42.035680] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc 396 native_write_cr4+0x45/0x60 # [ 38.004807] Modules linked <4>[ 42.041806] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.102253] CR2: ffffb5dc00361000 <4>[ 42.106233] ---[ end trace 960df89270c00945 ]--- <4>[ 42.111667] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.116335] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 42.137609] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 42.143733] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.151993] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 42.160255] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.168515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.176776] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 42.185039] FS: 00007f940d920740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 42.194370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.201077] CR2: ffffb5dc00360fd6 CR3: 0000000105a3e002 CR4: 00000000003706e0 in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 38.065216] CPU: 3 PID: 1076 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 38.080374] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.093689] RIP: 0010:native_write_cr4+0x45/0x60 # [ 38.105354] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 5f 4e 26 03 00 75 f2 48 c7 c7 20 3e dc b5 c6 05 4f 4e 26 03 01 e8 81 a2 11 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 38.132846] RSP: 0018:ffffb5dc0199fe48 EFLAGS: 00010286 # [ 38.145190] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 38.159666] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 38.174150] RBP: ffffffffb5ec6a55 R08: 0000000000000000 R09: 0000000000000000 # [ 38.188627] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.196898] R13: ffffb5dc0199ff10 R14: ffffb<6>[ 42.344326] lkdtm: Performing direct entry EXEC_RODATA <6>[ 42.352143] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 42.358977] lkdtm: attempting bad execution at ffffffffb5a40840 <2>[ 42.365902] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.374560] BUG: unable to handle page fault for address: ffffffffb5a40840 <1>[ 42.382532] #PF: supervisor instruction fetch in kernel mode <1>[ 42.389141] #PF: error_code(0x0011) - permissions violation <6>[ 42.395653] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 80000001328000e1 5dc0199ff10 R15: ffff96c6c50a0000 # [ 38.211368] FS: 00007f3<4>[ 42.403725] Oops: 0011 [#9] SMP PTI <4>[ 42.414121] CPU: 2 PID: 1748 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 42.423061] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.430160] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 42.436186] Code: ff ff 1d 5d 22 b4 ff ff ff ff ca 6d ec b5 ff ff ff ff 63 44 22 b4 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 42.457460] RSP: 0018:ffffb5dc02467e48 EFLAGS: 00010246 <4>[ 42.463585] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.471846] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 <4>[ 42.480106] RBP: ffffffffb5a40840 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.488366] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 42.496625] R13: ffffb5dc02467f10 R14: ffffb5dc02467f10 R15: ffff96c6c2745000 <4>[ 42.504886] FS: 00007f43ca720740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 42.514214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.520920] CR2: ffffffffb5a40840 CR3: 00000001036fe006 CR4: 00000000003706e0 <4>[ 42.529180] Call Trace: <4>[ 42.532199] ? __die_body.cold+0x1a/0x1f <4>[ 42.536869] ? no_context+0x177/0x380 <4>[ 42.541249] ? exc_page_fault+0xd7/0x170 <4>[ 42.545917] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.550881] ? execute_location+0x45/0x56 <4>[ 42.555646] ? direct_entry.cold+0x2c/0x38 <4>[ 42.560511] ? full_proxy_write+0x53/0x80 <4>[ 42.565277] ? vfs_write+0xe7/0x3b0 <4>[ 42.569459] ? ksys_write+0x68/0xf0 <4>[ 42.573642] ? do_syscall_64+0x30/0x40 <4>[ 42.578107] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc 5e5d9b740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000<4>[ 42.584234] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.644681] CR2: ffffffffb5a40840 <4>[ 42.648712] ---[ end trace 960df89270c00946 ]--- <4>[ 42.654157] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.658824] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 42.680095] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 42.686220] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.694481] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 42.702761] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.711021] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.719280] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 42.727539] FS: 00007f43ca720740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 42.736868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.743573] CR2: ffffffffb5a40840 CR3: 00000001036fe006 CR4: 00000000003706e0 <3>[ 42.751834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.762035] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1748, name: cat <4>[ 42.770781] INFO: lockdep is turned off. <4>[ 42.775446] irq event stamp: 0 <4>[ 42.779143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.786423] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.795849] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.805276] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.226919] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 42.812569] CPU: 2 PID: 1748 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 42.827723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.834819] Call Trace: <4>[ 42.837839] dump_stack+0x77/0x9b <4>[ 42.841829] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.846717] exit_signals+0x1c/0x300 <4>[ 42.850997] do_exit+0xc2/0xab0 <4>[ 42.854793] ? ksys_write+0x68/0xf0 <4>[ 42.858975] make_task_dead+0x2f/0x30 <4>[ 42.863341] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.868883] RIP: 0033:0x7f43ca81b240 <4>[ 42.873154] 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>[ 42.894426] RSP: 002b:00007ffd6c28ee18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 42.903174] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f43ca81b240 <4>[ 42.911434] RDX: 000000000000000c RSI: 00007f43ca6ff000 RDI: 0000000000000001 <4>[ 42.919711] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 42.927971] R10: 00007f43ca73c4d0 R11: 0000000000000202 R12: 00007f43ca6ff000 <4>[ 42.936232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0033 # [ 38.239843] CR2: 00007f35e5d7a000 CR3: 000000010617a002 CR4: 00000000003706e0 # [ 38.254324] Call Trace: # [ 38.263571] ? __warn+0x80/0x110 # [ 38.273673] ? native_write_cr4+0x45/0x60 # [ 38.284659] ? report_bug+0x9e/0xc0 # [ 38.295061] ? handle_bug+0x41/0x90 # [ 38.305464] ? exc_invalid_op+0x14/0x70 # [ 38.316253] ? asm_exc_invalid_op+0x12/0x20 # [ 38.327440] ? native_write_cr4+0x45/0x60 # [ 38.338416] ? native_write_cr4+0x45/0x60 # [ 38.349403] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 38.360776] direct_entry.cold+0x2c/0x38 # [ 38.371665] full_proxy_write+0x53/0x80 # [ 38.382454] vfs_write+0xe7/0x3b0 # [ 38.392665] ksys_write+0x68/0xf0 # [ 38.402870] do_syscall_64+0x30/0x40 # [ 38.413366] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 38.419332] RIP: 0033:0x7f35e5e96240 # [ 38.423616] 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 # [ 38.444925] RSP: 002b:00007ffe914d9c18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.453719] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f35e5e96240 # [ 38.461990] RDX: 000000000000000b RSI: 00007f35e5d7a000 RDI: 0000000000000001 # [ 38.470255] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 38.478519] R10: 00007f35e5db74d0 R11: 000000000000020<6>[ 43.087382] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 43.093867] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 43.100719] lkdtm: attempting bad execution at 00007f0b549da000 <2>[ 43.107655] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 43.114375] BUG: unable to handle page fault for address: 00007f0b549da000 2 R12: 00007f35e5d7a000 # [ 38.486785] R13: 0000000000000001 <1>[ 43.122348] #PF: supervisor instruction fetch in kernel mode <1>[ 43.135170] #PF: error_code(0x0011) - permissions violation R1<4: 0000000000020000 R15: 0000000000000000 # [ 38.495055] ir6>[ 43.141674] PGD 80000001035aa067 P4D 80000001035aa067 PUD 10606b067 PMD 1031ca067 PTE 10ea93067 <4>[ 43.157901] Oops: 0011 [#10] SMP PTI <4>[ 43.162182] CPU: 3 PID: 1786 Comm: cat Tainted: G D W 5.10.217-cip47 #1 q event stamp: 0 # [ 38.498785] hardirqs last enabled at (0)<4>[ 43.171123] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.184434] RIP: 0010:0x7f0b549da000 <4>[ 43.188710] Code: Unable to access opcode bytes at RIP 0x7f0b549d9fd6. <4>[ 43.196290] RSP: 0018:ffffb5dc02537e50 EFLAGS: 00010246 <4>[ 43.202415] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 43.210666] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 43.218926] RBP: 00007f0b549da000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.227185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 43.235445] R13: ffffb5dc02537f10 R14: ffffb5dc02537f10 R15: ffff96c6c26d7000 <4>[ 43.243712] FS: 00007f0b547f3740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 43.253040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.259768] CR2: 00007f0b549da000 CR3: 00000001026e4004 CR4: 00000000003706e0 <4>[ 43.268027] Call Trace: <4>[ 43.271048] ? __die_body.cold+0x1a/0x1f <4>[ 43.275717] ? no_context+0x177/0x380 <4>[ 43.280097] ? exc_page_fault+0x53/0x170 <4>[ 43.284769] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.289733] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 43.295379] ? direct_entry.cold+0x2c/0x38 <4>[ 43.300233] ? full_proxy_write+0x53/0x80 <4>[ 43.304999] ? vfs_write+0xe7/0x3b0 <4>[ 43.309174] ? ksys_write+0x68/0xf0 <4>[ 43.313357] ? do_syscall_64+0x30/0x40 <4>[ 43.317822] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc : [<0000000000000000>] 0x0 # [ 38.512285] hardirqs last disab<4>[ 43.323948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.384395] CR2: 00007f0b549da000 <4>[ 43.388383] ---[ end trace 960df89270c00947 ]--- <4>[ 43.393829] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.398488] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 43.419772] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 43.425896] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.434156] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 43.442416] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.450674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.458935] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 43.467194] FS: 00007f0b547f3740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 43.476522] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.483228] CR2: 00007f0b549da000 CR3: 00000001026e4004 CR4: 00000000003706e0 led at (0): [] copy_process+0x65c/0x20e0 # [ 38.521717] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 38.537365] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.544686] ---[ end trace 960df89270c00941 ]--- # [ 38.556342] lkdtm: ok: SMEP did not get cleared # [ 38.561713] lkdtm: trying to clear SMEP with call gadget # [ 38.574176] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 38.682698] lkdtm: Performing direct entry DOUBLE_FAULT # [ 38.691418] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 38.806607] lkdtm: Performing direct entry CORRUPT_PAC # [ 38.814820] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 38.923748] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ <6>[ 43.602771] lkdtm: Performing direct entry EXEC_NULL <6>[ 43.609240] lkdtm: attempting ok execution at ffffffffb3b805f0 <6>[ 43.616079] lkdtm: attempting bad execution at 0000000000000000 38.933533] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIG<1>[ 43.622991] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 43.637266] #PF: supervisor instruction fetch in kernel mode <1>[ 43.643877] #PF: error_code(0x0010) - not-present page <6>[ 43.649905] PGD 0 P4D 0 NED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] o<4>[ 43.653024] Oops: 0010 [#11] SMP PTI <4>[ 43.663517] CPU: 3 PID: 1823 Comm: cat Tainted: G D W 5.10.217-cip47 #1 k 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # s<4>[ 43.672460] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.685775] RIP: 0010:0x0 <4>[ 43.688989] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 43.696958] RSP: 0018:ffffb5dc025afe48 EFLAGS: 00010246 <4>[ 43.703074] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 43.711333] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 43.719593] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.727853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 43.736113] R13: ffffb5dc025aff10 R14: ffffb5dc025aff10 R15: ffff96c6c62a7000 <4>[ 43.744374] FS: 00007fe1fdbd6740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 43.753709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.760415] CR2: ffffffffffffffd6 CR3: 0000000103bd8002 CR4: 00000000003706e0 <4>[ 43.768674] Call Trace: <4>[ 43.771718] ? __die_body.cold+0x1a/0x1f <4>[ 43.776389] ? no_context+0x177/0x380 <4>[ 43.780770] ? exc_page_fault+0x53/0x170 <4>[ 43.785439] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.790403] execute_location+0x45/0x56 <4>[ 43.794975] direct_entry.cold+0x2c/0x38 <4>[ 43.799645] full_proxy_write+0x53/0x80 <4>[ 43.804217] vfs_write+0xe7/0x3b0 <4>[ 43.808205] ksys_write+0x68/0xf0 <4>[ 43.812194] do_syscall_64+0x30/0x40 <4>[ 43.816472] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 43.822403] RIP: 0033:0x7fe1fdcd1240 <4>[ 43.826700] 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 elftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_A<4>[ 43.847974] RSP: 002b:00007ffed230e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 43.862934] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe1fdcd1240 <4>[ 43.871194] RDX: 000000000000000a RSI: 00007fe1fdbb5000 RDI: 0000000000000001 <4>[ 43.879453] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 43.887714] R10: 00007fe1fdbf24d0 R11: 0000000000000202 R12: 00007fe1fdbb5000 <4>[ 43.895973] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 LLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: O<4>[ 43.904238] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.964702] CR2: 0000000000000000 VERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_F<4>[ 43.968689] ---[ end trace 960df89270c00948 ]--- <4>[ 43.980348] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.985016] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 44.006281] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 44.012404] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.020664] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 44.028924] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.037185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.045446] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 44.053713] FS: 00007fe1fdbd6740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 44.063042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.069763] CR2: ffffffffffffffd6 CR3: 0000000103bd8002 CR4: 00000000003706e0 <3>[ 44.078022] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.088226] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1823, name: cat <4>[ 44.096964] INFO: lockdep is turned off. <4>[ 44.101630] irq event stamp: 0 <4>[ 44.105326] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.112617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.122042] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.131467] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.138767] CPU: 3 PID: 1823 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 44.147710] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.154804] Call Trace: <4>[ 44.157822] dump_stack+0x77/0x9b <4>[ 44.161811] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.166674] exit_signals+0x1c/0x300 <4>[ 44.170954] do_exit+0xc2/0xab0 <4>[ 44.174742] ? ksys_write+0x68/0xf0 <4>[ 44.178944] make_task_dead+0x2f/0x30 <4>[ 44.183312] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.188853] RIP: 0033:0x7fe1fdcd1240 <4>[ 44.193133] 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>[ 44.214398] RSP: 002b:00007ffed230e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.223144] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe1fdcd1240 <4>[ 44.231403] RDX: 000000000000000a RSI: 00007fe1fdbb5000 RDI: 0000000000000001 <4>[ 44.239663] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.247922] R10: 00007fe1fdbf24d0 R11: 0000000000000202 R12: 00007fe1fdbb5000 <4>[ 44.256183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 REE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 39.108732] lkdtm: Performing direct entry READ_AFTER_FREE # [ 39.115734] lkdtm: Value in memory before free: 12345678 # [ 39.128192] lkdtm: Attempting bad read from freed memory # [ 39.140633] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 39.286181] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 39.295443] lkdtm: Value in memory before free: 12345678 # [ 39.301720] lkdtm: Attempting to read from freed memory # [ 39.307856] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 39.398242] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 39.406666] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'c<6>[ 44.387798] lkdtm: Performing direct entry ACCESS_USERSPACE all trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBL<6>[ 44.395380] lkdtm: attempting bad read at 00007fc404042000 E.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 39.<1>[ 44.407987] BUG: unable to handle page fault for address: 00007fc404042000 <1>[ 44.422151] #PF: supervisor read access in kernel mode <1>[ 44.428177] #PF: error_code(0x0001) - permissions violation <6>[ 44.434713] PGD 8000000103148067 P4D 8000000103148067 PUD 10730d067 PMD 1031da067 PTE 10ea5f067 <4>[ 44.444731] Oops: 0001 [#12] SMP PTI <4>[ 44.449002] CPU: 0 PID: 1859 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 44.457934] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.465032] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.471549] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e8 7a ec b5 e8 c6 d6 fb ff 48 c7 c7 10 7b ec b5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ad d6 fb ff 48 89 ee 48 c7 c7 38 7b ec <4>[ 44.492824] RSP: 0018:ffffb5dc0264fe48 EFLAGS: 00010246 <4>[ 44.498940] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 44.507201] RDX: 0000000000000000 RSI: ffff96c73ac1bf50 RDI: ffffffffb5ec7b10 <4>[ 44.515462] RBP: 00007fc404042000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.523722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 44.531981] R13: ffffb5dc0264ff10 R14: ffffb5dc0264ff10 R15: ffff96c6c6c03000 <4>[ 44.540242] FS: 00007fc403e5b740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 44.549570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.556277] CR2: 00007fc404042000 CR3: 000000010621e006 CR4: 00000000003706f0 <4>[ 44.564536] Call Trace: <4>[ 44.567557] ? __die_body.cold+0x1a/0x1f <4>[ 44.572222] ? no_context+0x177/0x380 <4>[ 44.576593] ? exc_page_fault+0x53/0x170 <4>[ 44.581268] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.586219] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.592057] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 44.597891] direct_entry.cold+0x2c/0x38 <4>[ 44.602552] full_proxy_write+0x53/0x80 <4>[ 44.607128] vfs_write+0xe7/0x3b0 <4>[ 44.611108] ksys_write+0x68/0xf0 <4>[ 44.615088] do_syscall_64+0x30/0x40 <4>[ 44.619359] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 44.625281] RIP: 0033:0x7fc403f56240 <4>[ 44.629560] 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>[ 44.650830] RSP: 002b:00007ffca84608d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 44.659577] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc403f56240 <4>[ 44.667837] RDX: 0000000000000011 RSI: 00007fc403e3a000 RDI: 0000000000000001 <4>[ 44.676098] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 44.684358] R10: 00007fc403e774d0 R11: 0000000000000202 R12: 00007fc403e3a000 <4>[ 44.692617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 44.700882] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.755107] CR2: 00007fc404042000 <4>[ 44.759094] ---[ end trace 960df89270c00949 ]--- <4>[ 44.764539] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.769205] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 44.790479] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 44.796602] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.804861] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 44.813120] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.821381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.829641] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 44.837900] FS: 00007fc403e5b740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 44.847227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.853933] CR2: 00007fc404042000 CR3: 000000010621e006 CR4: 00000000003706f0 499124] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 39.505739] 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 # [ 39.597948] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 39.605200] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 39.823213] lkdtm: Performing direct entry EXEC_DATA # [ 39.834493] lkdtm: attempting ok execution at ffffffffb3b805f0 # [ 39.841364] lkdtm: attempting bad execution at ffffffffb781cea0 # [ 39.848297] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.863143] BUG: unable to handle page fault for address: ffffffffb781cea0 # [ 39.871112] #PF: supervisor instruction fetch in kernel mode # [ 39.877721] #PF: error_code(0x0011) - permissions violation # [ 39.884249] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 80000001346000e3 # [ 39.892319] Oops: 0011 [#5] SMP PTI # [ 39.896492] CPU: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 39.905430] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.912529] RIP: 0010:data_area+0x0/0x40 # [ 39.917198] Code: ff ff 00 e5 21 c5 c6 96 ff ff 00 e4 21 c5 c6 96 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.938461] RSP: 0018:ffffb5dc02277e48 EFLAGS: 00010246 # [ 39.944586] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.952847] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 # [ 39.961106] RBP: ffffffffb781cea0 R08: 0000000000000000 R09:<6>[ 45.089839] lkdtm: Performing direct entry ACCESS_NULL 0000000000000000 # [ 39.969366] R10: 00000000ffffe000 R11: 3<6>[ 45.098315] lkdtm: attempting bad read at 0000000000000000 fffffffffffffff R12: 000000000000000a # [ 39.977626] R13: fff<1>[ 45.110986] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 45.125225] #PF: supervisor read access in kernel mode <1>[ 45.131253] #PF: error_code(0x0000) - not-present page <6>[ 45.137282] PGD 0 P4D 0 <4>[ 45.140397] Oops: 0000 [#13] SMP PTI <4>[ 45.144668] CPU: 0 PID: 1895 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 45.153607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.160705] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.166254] Code: 6a d6 fb ff be 00 10 00 00 48 89 ef e8 c8 34 0e ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 7a ec b5 e8 44 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 7b ec b5 48 01 <4>[ 45.187527] RSP: 0018:ffffb5dc026cfe58 EFLAGS: 00010246 <4>[ 45.193652] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 45.201912] RDX: 0000000000000000 RSI: ffff96c73ac1bf50 RDI: ffff96c73ac1bf50 <4>[ 45.210164] RBP: ffffffffb5ec6bd9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.218424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 45.226677] R13: ffffb5dc026cff10 R14: ffffb5dc026cff10 R15: ffff96c6c72e5000 <4>[ 45.234930] FS: 00007ff99d446740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 45.244258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.250965] CR2: 0000000000000000 CR3: 0000000105a36002 CR4: 00000000003706f0 <4>[ 45.259225] Call Trace: <4>[ 45.262245] ? __die_body.cold+0x1a/0x1f <4>[ 45.266920] ? no_context+0x177/0x380 <4>[ 45.271306] ? exc_page_fault+0x53/0x170 <4>[ 45.275979] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.280942] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.285808] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.290670] direct_entry.cold+0x2c/0x38 <4>[ 45.295331] full_proxy_write+0x53/0x80 <4>[ 45.299909] vfs_write+0xe7/0x3b0 <4>[ 45.303903] ksys_write+0x68/0xf0 <4>[ 45.307893] do_syscall_64+0x30/0x40 <4>[ 45.312173] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 45.318104] RIP: 0033:0x7ff99d541240 <4>[ 45.322383] 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>[ 45.343654] RSP: 002b:00007ffe40acc398 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.352400] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff99d541240 <4>[ 45.360658] RDX: 000000000000000c RSI: 00007ff99d425000 RDI: 0000000000000001 <4>[ 45.368919] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.377179] R10: 00007ff99d4624d0 R11: 0000000000000202 R12: 00007ff99d425000 <4>[ 45.385430] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 45.393695] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.447923] CR2: 0000000000000000 <4>[ 45.451912] ---[ end trace 960df89270c0094a ]--- <4>[ 45.457358] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.462026] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 45.483298] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 45.489412] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.497673] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 45.505931] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.514192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.522444] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 45.530703] FS: 00007ff99d446740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 <4>[ 45.540030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.546736] CR2: 0000000000000000 CR3: 0000000105a36002 CR4: 00000000003706f0 <3>[ 45.554997] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.565191] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1895, name: cat <4>[ 45.573935] INFO: lockdep is turned off. <4>[ 45.578603] irq event stamp: 0 <4>[ 45.582298] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.589589] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.599014] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.608439] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.615727] CPU: 0 PID: 1895 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 45.624666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.631759] Call Trace: <4>[ 45.634777] dump_stack+0x77/0x9b <4>[ 45.638772] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.643636] exit_signals+0x1c/0x300 <4>[ 45.647922] do_exit+0xc2/0xab0 <4>[ 45.651718] ? ksys_write+0x68/0xf0 <4>[ 45.655901] make_task_dead+0x2f/0x30 <4>[ 45.660269] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.665803] RIP: 0033:0x7ff99d541240 <4>[ 45.670081] 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>[ 45.691353] RSP: 002b:00007ffe40acc398 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.700098] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff99d541240 <4>[ 45.708359] RDX: 000000000000000c RSI: 00007ff99d425000 RDI: 0000000000000001 <4>[ 45.716620] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.724882] R10: 00007ff99d4624d0 R11: 0000000000000202 R12: 00007ff99d425000 <4>[ 45.733134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 fb5dc02277f10 R14: ffffb5dc02277f10 R15: ffff96c6c5b48000 # [ 39.985886] FS: 00007f6196b23740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 39.995214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.001920] CR2: ffffffffb781cea0 CR3: 0000000106226003 CR4: 00000000003706e0 # [ 40.010180] Call Trace: # [ 40.013201] ? __die_body.cold+0x1a/0x1f # [ 40.017870] ? no_context+0x177/0x380 # [ 40.022249] ? exc_page_fault+0xd7/0x170 # [ 40.026918] ? asm_exc_page_fault+0x1e/0x30 # [ 40.031880] ? execute_location+0x45/0x56 # [ 40.036646] ? direct_entry.cold+0x2c/0x38 # [ 40.041500] ? full_proxy_write+0x53/0x80 # [ 40.046257] ? vfs_write+0xe7/0x3b0 # [ 40.050431] ? ksys_write+0x68/0xf0 # [ 40.054614] ? do_syscall_64+0x30/0x40 # [ 40.059078] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 40.065204] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid <6>[ 45.871646] lkdtm: Performing direct entry WRITE_RO cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboo<6>[ 45.877717] lkdtm: attempting bad rodata write at ffffffffb5a40830 t_table # [ 40.125646] CR2: ffffffffb781cea0 # [ 40.129634<1>[ 45.891148] BUG: unable to handle page fault for address: ffffffffb5a40830 <1>[ 45.905313] #PF: supervisor write access in kernel mode ] ---[ end trace 960df89270c00942 ]--- # [ 40.135078] RIP: 00<1>[ 45.911440] #PF: error_code(0x0003) - permissions violation 10:lkdtm_BUG+0x5/0x10 # [ 40.139759] Code: 89 ff e8 2e ac 79 <6>[ 45.924167] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 80000001328000e1 <4>[ 45.938455] Oops: 0003 [#14] SMP PTI <4>[ 45.942736] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 45.951676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.958775] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc c<4>[ 45.964026] Code: 00 48 c7 c7 c8 79 ec b5 48 c7 c6 30 08 a4 b5 e8 ee d8 fb ff 48 8b 05 82 c0 81 01 ba 34 12 cd ab 48 c7 c7 f8 79 ec b5 48 31 d0 <48> 89 05 6c c0 81 01 e9 cc d8 fb ff 0f 1f 44 00 00 48 8b 05 7b 9b <4>[ 45.991511] RSP: 0018:ffffb5dc02737e60 EFLAGS: 00010202 <4>[ 45.997635] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 46.005895] RDX: 00000000abcd1234 RSI: ffff96c73ac9bf50 RDI: ffffffffb5ec79f8 <4>[ 46.014156] RBP: ffffffffb5ec6be5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.022416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 46.030677] R13: ffffb5dc02737f10 R14: ffffb5dc02737f10 R15: ffff96c6c3157000 <4>[ 46.038939] FS: 00007ff66b99c740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 <4>[ 46.048259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.054965] CR2: ffffffffb5a40830 CR3: 0000000105b82003 CR4: 00000000003706e0 <4>[ 46.063224] Call Trace: c <48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 4>[ 46.066245] ? __die_body.cold+0x1a/0x1f <4>[ 46.077132] ? no_context+0x177/0x380 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 40.161064<4>[ 46.081513] ? exc_page_fault+0xd7/0x170 <4>[ 46.092392] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.097354] ? lkdtm_WRITE_RO+0x2e/0x3a ] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 40.167178] <4>[ 46.101927] direct_entry.cold+0x2c/0x38 <4>[ 46.112809] full_proxy_write+0x53/0x80 <4>[ 46.117382] vfs_write+0xe7/0x3b0 RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 000000000000000<4>[ 46.121371] ksys_write+0x68/0xf0 <4>[ 46.131571] do_syscall_64+0x30/0x40 <4>[ 46.135851] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 46.141781] RIP: 0033:0x7ff66ba97240 <4>[ 46.146061] 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>[ 46.167334] RSP: 002b:00007ffda1adbd18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.176080] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff66ba97240 <4>[ 46.184341] RDX: 0000000000000009 RSI: 00007ff66b97b000 RDI: 0000000000000001 <4>[ 46.192599] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.200858] R10: 00007ff66b9b84d0 R11: 0000000000000202 R12: 00007ff66b97b000 <4>[ 46.209116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0 # [ 40.175439] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 <4>[ 46.217379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.277788] CR2: ffffffffb5a40830 <4>[ 46.281776] ---[ end trace 960df89270c0094b ]--- <4>[ 46.287222] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.291889] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 46.313163] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 46.319285] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.327545] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 46.335804] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.344063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.352325] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 46.360586] FS: 00007ff66b99c740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 <4>[ 46.369913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.376618] CR2: ffffffffb5a40830 CR3: 0000000105b82003 CR4: 00000000003706e0 RDI: ffffffffb5a403b0 # [ 40.183713] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 40.191971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.200231] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 40.208490] FS: 00007f6196b23740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 40.217818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.224524] CR2: ffffffffb781cea0 CR3: 0000000106226003 CR4: 00000000003706e0 # [ 40.232783] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.242985] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1600, name: cat # [ 40.251730] INFO: lockdep is turned off. # [ 40.256397] irq event stamp: 0 # [ 40.260093] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.267383] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.276808] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.286235] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.293523] CPU: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 40.302462] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.309557] Call Trace: # [ 40.312<6>[ 46.514289] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 46.522229] lkdtm: attempting bad ro_after_init write at ffffffffb5f4e350 <1>[ 46.530144] BUG: unable to handle page fault for address: ffffffffb5f4e350 <1>[ 46.538132] #PF: supervisor write access in kernel mode 576] dump_stack+0x77/0x9b # [ 40.316565] ___might_sleep.col<1>[ 46.544266] #PF: error_code(0x0003) - permissions violation d+<0xa6/0xb6 # [ 40.321429] exit_signals+0x1c/0x300 # [ 406>[ 46.556992] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 1059e0063 PTE 8000000132d4e061 <4>[ 46.572544] Oops: 0003 [#15] SMP PTI <4>[ 46.576825] CPU: 3 PID: 1967 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 46.585766] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.592861] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 46.599178] Code: 7a ec b5 e9 a0 d8 fb ff 48 c7 c7 50 7a ec b5 e8 94 d8 fb ff 48 8b 05 48 9b d2 01 ba 34 12 cd ab 48 c7 c7 f8 79 ec b5 48 31 d0 <48> 89 05 32 9b d2 01 e9 72 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 46.620450] RSP: 0018:ffffb5dc027f7e60 EFLAGS: 00010202 <4>[ 46.626574] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 46.634835] RDX: 00000000abcd1234 RSI: ffff96c73ad9bf50 RDI: ffffffffb5ec79f8 <4>[ 46.643095] RBP: ffffffffb5ec6bee R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.651356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 46.659617] R13: ffffb5dc027f7f10 R14: ffffb5dc027f7f10 R15: ffff96c6c5a3b000 <4>[ 46.667878] FS: 00007f630ec10740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 46.677207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.683913] CR2: ffffffffb5f4e350 CR3: 0000000106296005 CR4: 00000000003706e0 <4>[ 46.692173] Call Trace: <4>[ 46.695193] ? __die_body.cold+0x1a/0x1f <4>[ 46.699862] ? no_context+0x177/0x380 <4>[ 46.704243] ? exc_page_fault+0xd7/0x170 <4>[ 46.708912] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.713874] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 46.719513] direct_entry.cold+0x2c/0x38 <4>[ 46.724184] full_proxy_write+0x53/0x80 <4>[ 46.728769] vfs_write+0xe7/0x3b0 <4>[ 46.732763] ksys_write+0x68/0xf0 <4>[ 46.736766] do_syscall_64+0x30/0x40 <4>[ 46.741043] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 46.746974] RIP: 0033:0x7f630ed0b240 <4>[ 46.751245] 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>[ 46.772509] RSP: 002b:00007ffef5237ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.781245] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f630ed0b240 <4>[ 46.789505] RDX: 0000000000000014 RSI: 00007f630ebef000 RDI: 0000000000000001 <4>[ 46.797767] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.806027] R10: 00007f630ec2c4d0 R11: 0000000000000202 R12: 00007f630ebef000 <4>[ 46.814287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 46.822551] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table .325713] do_exit+0xc2/0xab0 # [ 40.329508] ? ksys_write+0x6<4>[ 46.876793] CR2: ffffffffb5f4e350 <4>[ 46.886993] ---[ end trace 960df89270c0094c ]--- <4>[ 46.892439] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.897105] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 46.918379] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 46.924494] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.932772] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 46.941032] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.949291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.957550] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 46.965811] FS: 00007f630ec10740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 46.975138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.981846] CR2: ffffffffb5f4e350 CR3: 0000000106296005 CR4: 00000000003706e0 <3>[ 46.990107] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 47.000300] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1967, name: cat <4>[ 47.009045] INFO: lockdep is turned off. <4>[ 47.013711] irq event stamp: 0 <4>[ 47.017406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.024716] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.034143] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.043560] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.050851] CPU: 3 PID: 1967 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 47.059782] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.066877] Call Trace: <4>[ 47.069896] dump_stack+0x77/0x9b <4>[ 47.073885] ___might_sleep.cold+0xa6/0xb6 <4>[ 47.078764] exit_signals+0x1c/0x300 <4>[ 47.083043] do_exit+0xc2/0xab0 <4>[ 47.086837] ? ksys_write+0x68/0xf0 <4>[ 47.091012] make_task_dead+0x2f/0x30 <4>[ 47.095389] rewind_stack_and_make_dead+0x17/0x20 <4>[ 47.100932] RIP: 0033:0x7f630ed0b240 <4>[ 47.105201] 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>[ 47.126473] RSP: 002b:00007ffef5237ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.135220] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f630ed0b240 <4>[ 47.143481] RDX: 0000000000000014 RSI: 00007f630ebef000 RDI: 0000000000000001 <4>[ 47.151754] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.160044] R10: 00007f630ec2c4d0 R11: 0000000000000202 R12: 00007f630ebef000 <4>[ 47.168304] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 8/0xf0 # [ 40.333714] make_task_dead+0x2f/0x30 # [ 40.338089] rewind_stack_and_make_dead+0x17/0x20 # [ 40.343631] RIP: 0033:0x7f6196c1e240 # [ 40.347914] 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 # [ 40.369190] RSP: 002b:00007ffeb6d417b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 40.384149] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6196c1e240 # [ 40.392401] RDX: 000000000000000a RSI: 00007f6196b02000 RDI: 0000000000000001 # [ 40.400662] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 40.408923] R10: 00007f6196b3f4d0 R11: 0000000000000202 R12: 00007f6196b02000 # [ 40.417182] 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 # [ 40.557896] lkdtm: Performing direct entry EXEC_STACK # [ 40.568157] lkdtm: attempting ok execution at ffffffffb3b805f0 # [ 40.574971] lkdtm: attempting bad execution at ffffb5dc022f7e18 # [ 40.581903] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.596765] BUG: unable to handle page fault for address: ffffb5dc022f7e18 # [ 40.604730] #PF: supervisor instruction fetch in kernel mode # [ 40.611329] #PF: error_code(0x0011) - permissions violation # [ 40.617841] PGD 100000067 P4D 100000067 PUD 10023f067 PMD 1035a5067 PTE 8000000105b5c063 # [ 40.627172] Oops: 0011 [#6] SMP PTI # [ 40.631355] CPU: 2 PID: 1637 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # <6>[ 47.341877] lkdtm: Performing direct entry WRITE_KERN <6>[ 47.350350] lkdtm: attempting bad 6963512 byte write at ffffffffb4224728 <1>[ 47.358165] BUG: unable to handle page fault for address: ffffffffb4224728 [ 40.640295] Hardware name: Google Rammus/Rammus, BIOS 09/04/<1>[ 47.366160] #PF: supervisor write access in kernel mode <1>[ 47.378499] #PF: error_code(0x0003) - permissions violation <6>[ 47.385013] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 1310000e1 <4>[ 47.392402] Oops: 0003 [#16] SMP PTI <4>[ 47.396681] CPU: 2 PID: 2003 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 47.405621] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.412719] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.418165] Code: 53 48 c7 c3 28 47 22 b4 49 89 dc 48 89 da 49 81 ec f0 05 b8 b3 4c 89 e6 e8 47 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 05 b8 b3 a4 48 c7 c7 f8 79 ec b5 e8 2c d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 47.439429] RSP: 0018:ffffb5dc02857e50 EFLAGS: 00010246 <4>[ 47.445553] RAX: 000000000000003c RBX: ffffffffb4224728 RCX: 00000000006a4138 <4>[ 47.453813] RDX: 0000000000000000 RSI: ffffffffb3b805f0 RDI: ffffffffb4224728 <4>[ 47.462073] RBP: ffffffffb5ec6c02 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.470333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006a4138 <4>[ 47.478593] R13: ffffb5dc02857f10 R14: ffffb5dc02857f10 R15: ffff96c6c318f000 <4>[ 47.486853] FS: 00007f8ea0a48740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 47.496181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.502889] CR2: ffffffffb4224728 CR3: 00000001062a6002 CR4: 00000000003706e0 <4>[ 47.511149] Call Trace: <4>[ 47.514169] ? __die_body.cold+0x1a/0x1f <4>[ 47.518838] ? no_context+0x177/0x380 <4>[ 47.523215] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.528952] ? exc_page_fault+0xd7/0x170 <4>[ 47.533619] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.538578] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.544316] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 47.549469] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.555204] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.559970] direct_entry.cold+0x2c/0x38 <4>[ 47.564640] full_proxy_write+0x53/0x80 <4>[ 47.569211] vfs_write+0xe7/0x3b0 <4>[ 47.573192] ksys_write+0x68/0xf0 <4>[ 47.577182] do_syscall_64+0x30/0x40 <4>[ 47.581461] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 47.587382] RIP: 0033:0x7f8ea0b43240 <4>[ 47.591661] 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>[ 47.612926] RSP: 002b:00007ffdb3affcf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 47.621673] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8ea0b43240 <4>[ 47.629932] RDX: 000000000000000b RSI: 00007f8ea0a27000 RDI: 0000000000000001 <4>[ 47.638191] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 47.646451] R10: 00007f8ea0a644d0 R11: 0000000000000202 R12: 00007f8ea0a27000 <4>[ 47.654710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 2020 # [ 40.647391] RIP: 0010:0xffffb5dc022f7e18 # [ 40.65<4>[ 47.662974] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.723422] CR2: ffffffffb4224728 <4>[ 47.727409] ---[ end trace 960df89270c0094d ]--- <4>[ 47.732854] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.737523] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 <4>[ 47.758788] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 <4>[ 47.764903] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.773163] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 <4>[ 47.781423] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.789683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.797966] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 <4>[ 47.806226] FS: 00007f8ea0a48740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 47.815554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.822272] CR2: ffffffffb4224728 CR3: 00000001062a6002 CR4: 00000000003706e0 2049] Code: 00 00 18 7e 2f 02 dc b5 ff ff 7e 47 22 b4 ff ff ff ff 20 00 00 00 00 00 00 00 7e 6b ec b5 ff ff ff ff ad 48 22 b4 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 40.673322] RSP: 0018:ffffb5dc022f7df8 EFLAGS: 00010246 # [ 40.679437] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.687711] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 # [ 40.695972] RBP: ffffb5dc022f7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 40.704232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 40.712493] R13: ffffb5dc022f7f10 R14: ffffb5dc022f7f10 R15: ffff96c6c2c8a000 # [ 40.720764] FS: 00007f47d7e26740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 40.730091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.736798] CR2: ffffb5dc022f7e18 CR3: 0000000107096006 CR4: 00000000003706e0 # [ 40.745057] Call Trace: # [ 40.748077] ? __die_body.cold+0x1a/0x1f # [ 40.752764] ? no_context+0x177/0x380 # [ 40.757143] ? exc_page_fault+0xd7/0x170 # [ 40.761810] ? asm_exc_page_fault+0x1e/0x30 # [ 40.766784] ? execute_location+0x45/0x56 # [ 40.771547] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 40.776313] ? direct_entry.cold+0x2c/0x38 # [ 40.781176] ? full_proxy_write+0x53/0x80 # [ 40.785943] ? vfs_write+0xe7/0x3b0 # [ 40.790125] ? ksys_write+0x68/0xf0 # [ 40.794307] ? do_syscall_64+0x30/0x40 # [ 40.798780] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 40.804905] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debu<6>[ 48.003007] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 48.011616] lkdtm: attempting good refcount_inc() without overflow <6>[ 48.018824] lkdtm: attempting bad refcount_inc() overflow gfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core vide<4>[ 48.025179] ------------[ cut here ]------------ <4>[ 48.036831] refcount_t: saturated; leaking memory. <4>[ 48.042506] WARNING: CPU: 3 PID: 2039 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 obuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmv<4>[ 48.052231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 48.112641] CPU: 3 PID: 2039 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 48.121614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 m gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwif<4>[ 48.128722] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 48.141059] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 <4>[ 48.162341] RSP: 0018:ffffb5dc02917e48 EFLAGS: 00010286 <4>[ 48.168501] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 48.176768] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 48.185063] RBP: ffffffffb5ec6c0d R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.193327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 48.201592] R13: ffffb5dc02917f10 R14: ffffb5dc02917f10 R15: ffff96c6c5096000 <4>[ 48.209858] FS: 00007f83ddab2740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 48.219192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.225906] CR2: 00007f83dda91000 CR3: 0000000105b64005 CR4: 00000000003706e0 <4>[ 48.234203] Call Trace: <4>[ 48.237246] ? __warn+0x80/0x110 i videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd<4>[ 48.241154] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.252812] ? report_bug+0x9e/0xc0 <4>[ 48.257031] ? handle_bug+0x41/0x90 <4>[ 48.261249] ? exc_invalid_op+0x14/0x70 <4>[ 48.265856] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.270825] ? refcount_warn_saturate+0x51/0x110 _led_backlight chromeos_pstore coreboot_table # [ 40.865348] <4>[ 48.276301] ? refcount_warn_saturate+0x51/0x110 CR2: ffffb5dc022f7e18 # [ 40.869336] ---[ end trace 960df8927<4>[ 48.287959] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 0c00943 ]--- # [ 40.874780] RIP: 0010:lkdtm_BUG+0x5/0x10 # [<4>[ 48.299814] direct_entry.cold+0x2c/0x38 40.879448] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb<4>[ 48.310723] full_proxy_write+0x53/0x80 <4>[ 48.321511] vfs_write+0xe7/0x3b0 <4>[ 48.325527] ksys_write+0x68/0xf0 <4>[ 48.329521] do_syscall_64+0x30/0x40 <4>[ 48.333827] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 48.339761] RIP: 0033:0x7f83ddbad240 <4>[ 48.344045] 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>[ 48.365345] RSP: 002b:00007ffe856c4498 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb <4>[ 48.374100] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f83ddbad240 <4>[ 48.388568] RDX: 0000000000000016 RSI: 00007f83dda91000 RDI: 0000000000000001 <4>[ 48.396832] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 48.405094] R10: 00007f83ddace4d0 R11: 0000000000000202 R12: 00007f83dda91000 <4>[ 48.413357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 48.421624] irq event stamp: 0 <4>[ 48.425354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.432648] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.442077] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.451504] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.458796] ---[ end trace 960df89270c0094e ]--- <6>[ 48.464242] lkdtm: Overflow detected: saturated c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 40.900720] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 40.906845] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.915104] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 40.923363] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 40.931623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.939886] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 40.948148] FS: 00007f47d7e26740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 40.957478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.964185] CR2: ffffb5dc022f7e18 CR3: 0000000107096006 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 41.074470] lkdtm: Performing direct entry EXEC_KMALLOC # [ 41.084259] lkdtm: attempting ok execution at ffffffffb3b805f0 # [ 41.091097] lkdtm: attempting bad execution at ffff96c6c2ab1b00 # [ 41.098018] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.106675] BUG: unable to handle page fault for address: ffff96c6c2ab1b00 # [ 41.114648] #PF: supervisor instruction fetch in kernel mode # [ 41.121249] #PF: error_code(0x0011) - permissions violation # [ 41.127762] PGD 134801067<6>[ 48.610056] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW P4D 134801067 PUD 100246063 PMD 105434063 PTE 8000000102ab1063 <6>[ 48.619985] lkdtm: attempting good refcount_add() without overflow # [ 41.137095] Oops: 0011 [#7] SMP PTI # [ 41.147490] CPU:<6>[ 48.633379] lkdtm: attempting bad refcount_add() overflow 3 PID: 1674 Comm: cat Tainted: G D W 5.10.217-cip4<4>[ 48.645913] ------------[ cut here ]------------ 7 #1 # [ 41.156429] Hardware name: Google Rammus/Rammus, BIOS<4>[ 48.657578] refcount_t: saturated; leaking memory. 09/04/2020 # [ 41.163525] RIP: 0010:0xffff96c6c2ab1b00 # [<4>[ 48.669464] WARNING: CPU: 1 PID: 2072 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 41.168193] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00<4>[ 48.685371] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 48.745803] CPU: 1 PID: 2072 Comm: cat Tainted: G D W 5.10.217-cip47 #1 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00<4>[ 48.760956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 0f 1f 44 00 00 55 # [ 41.189467] RSP: 0018:ffffb5dc0236fe<4>[ 48.774266] RIP: 0010:refcount_warn_saturate+0x51/0x110 38 EFLAGS: 00010246 # [ 41.195590] RAX: 0000000000000033 RBX:<4>[ 48.786610] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 0000000000000001 RCX: 0000000000000000 # [ 41.203851] RDX: 0<4>[ 48.814103] RSP: 0018:ffffb5dc0298fe48 EFLAGS: 00010286 000000000000000 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [<4>[ 48.826446] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 41.212110] RBP: ffff96c6c2ab1b00 R08: 0000000000000000 R09: 0<4>[ 48.840927] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 000000000000000 # [ 41.220368] R10: 00000000ffffe000 R11: 3ff<4>[ 48.855408] RBP: ffffffffb5ec6c23 R08: 0000000000000000 R09: 0000000000000000 fffffffffffff R12: 000000000000000d # [ 41.228628] R13: ffffb<4>[ 48.869889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 5dc0236ff10 R14: ffffb5dc0236ff10 R15: ffff96c6c69b7000 # [ 4<4>[ 48.884369] R13: ffffb5dc0298ff10 R14: ffffb5dc0298ff10 R15: ffff96c6c317e000 1.236889] FS: 00007f684e4f4740(0000) GS:ffff96c73ad80000(0000) <4>[ 48.898851] FS: 00007f368afbf740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 knlGS:0000000000000000 # [ 41.246218] CS: 0010 DS: 0000 ES: <4>[ 48.914401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000 CR0: 0000000080050033 # [ 41.252923] CR2: ffff96c6c2ab1b<4>[ 48.927330] CR2: 00007f368af9e000 CR3: 0000000102c8c006 CR4: 00000000003706e0 00 CR3: 00000001050b6002 CR4: 00000000003706e0 # [ 41.261182]<4>[ 48.941808] Call Trace: Call Trace: # [ 41.264202] ? __die_body.cold+0x1a/0x1f # [<4>[ 48.951050] ? __warn+0x80/0x110 41.268871] ? no_context+0x177/0x380 # [ 41.273249] ? exc<4>[ 48.961157] ? refcount_warn_saturate+0x51/0x110 _page_fault+0xd7/0x170 # [ 41.277917] ? asm_exc_page_fault+0<4>[ 48.972823] ? report_bug+0x9e/0xc0 x1e/0x30 # [ 41.282871] ? execute_location+0x45/0x56 # [ <4>[ 48.983226] ? handle_bug+0x41/0x90 41.287637] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 41.292595] ? <4>[ 48.993628] ? exc_invalid_op+0x14/0x70 direct_entry.cold+0x2c/0x38 # [ 41.297460] ? full_proxy_writ<4>[ 49.004419] ? asm_exc_invalid_op+0x12/0x20 e+0x53/0x80 # [ 41.302226] ? vfs_write+0xe7/0x3b0 # [ 41.<4>[ 49.015600] ? refcount_warn_saturate+0x51/0x110 306409] ? ksys_write+0x68/0xf0 # [ 41.310583] ? do_syscall_<4>[ 49.027263] ? refcount_warn_saturate+0x51/0x110 64+0x30/0x40 # [ 41.315056] ? entry_SYSCALL_64_after_hwframe<4>[ 49.038925] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 +0x67/0xcc # [ 41.321184] Modules linked in: fuse ip_tables c<4>[ 49.050786] direct_entry.cold+0x2c/0x38 ros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrial<4>[ 49.061675] full_proxy_write+0x53/0x80 io_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_e<4>[ 49.072462] vfs_write+0xe7/0x3b0 c_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cr<4>[ 49.082671] ksys_write+0x68/0xf0 os_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc<4>[ 49.092878] do_syscall_64+0x30/0x40 _core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_comp<4>[ 49.103375] entry_SYSCALL_64_after_hwframe+0x67/0xcc ress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaeng<4>[ 49.115525] RIP: 0033:0x7f368b0ba240 <4>[ 49.126024] 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 ine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notif<4>[ 49.147303] RSP: 002b:00007ffc05090748 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 49.162263] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f368b0ba240 y cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 4<4>[ 49.170528] RDX: 0000000000000016 RSI: 00007f368af9e000 RDI: 0000000000000001 <4>[ 49.185001] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 1.375421] CR2: ffff96c6c2ab1b00 # [ 41.385619] ---[ end trace<4>[ 49.193266] R10: 00007f368afdb4d0 R11: 0000000000000202 R12: 00007f368af9e000 960df89270c00944 ]--- # [ 41.391064] RIP: 0010:lkdtm_BUG+0x5<4>[ 49.207739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 /0x10 # [ 41.395722] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea f<4>[ 49.222241] irq event stamp: 0 <4>[ 49.232132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff<4>[ 49.239427] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.255065] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0<4>[ 49.264495] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.277997] ---[ end trace 960df89270c0094f ]--- f 1f 44 00 00 83 05 30 cc c9 03 # [ 41.416995] RSP: 0018:ffff<6>[ 49.283446] lkdtm: Overflow detected: saturated b5dc013e7e60 EFLAGS: 00010282 # [ 41.423120] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.431379] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 41.439638] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 41.447899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.456159] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 41.464420] FS: 00007f684e4f4740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 41.473764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.480471] CR2: ffff96c6c2ab1b00 CR3: 00000001050b6002 CR4: 00000000003706e0 # [ 41.488732] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.498934] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1674, name: cat # [ 41.507680] INFO: lockdep is turned off. # [ 41.512346] irq event stamp: 0 # [ 41.516043] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.523333] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.532764] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.542189] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.549478] CPU: 3 PID: <6>[ 49.423749] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 1674 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # <6>[ 49.433409] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 41.558417] Hardware name: Google Rammus/Rammus, BIOS 09/04/<4>[ 49.446824] ------------[ cut here ]------------ <4>[ 49.458483] refcount_t: saturated; leaking memory. 2020 # [ 41.565512] Call Trace: # [ 41.568531] dump_stack<4>[ 49.464158] WARNING: CPU: 1 PID: 2105 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 +0x77/0x9b # [ 41.572519] ___might_sleep.cold+0xa6/0xb6 # [<4>[ 49.480063] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 41.577382] exit_signals+0x1c/0x300 # [ 41.581662] do_exi<4>[ 49.540482] CPU: 1 PID: 2105 Comm: cat Tainted: G D W 5.10.217-cip47 #1 t+0xc2/0xab0 # [ 41.585455] ? ksys_write+0x68/0xf0 # [ 41<4>[ 49.555637] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .589638] make_task_dead+0x2f/0x30 # [ 41.594015] rewind_sta<4>[ 49.568950] RIP: 0010:refcount_warn_saturate+0x97/0x110 ck_and_make_dead+0x17/0x20 # [ 41.599548] RIP: 0033:0x7f684e5<4>[ 49.581291] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 ef240 # [ 41.603827] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 6<4>[ 49.608783] RSP: 0018:ffffb5dc02a0fe38 EFLAGS: 00010282 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00<4>[ 49.621127] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 8<4>[ 49.635606] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 0 00 00 00 00 48 83 ec 28 48 89 # [ 41.625098] RSP: 002b:0000<4>[ 49.650085] RBP: ffffffffb5ec6860 R08: 0000000000000000 R09: 0000000000000000 7ffcf266f808 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ <4>[ 49.664566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 41.633843] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 0000<4>[ 49.679044] R13: ffffb5dc02a0ff10 R14: ffffb5dc02a0ff10 R15: ffff96c6c2cad000 7f684e5ef240 # [ 41.642104] RDX: 000000000000000d RSI: 00007f<4>[ 49.693525] FS: 00007fda6e2fe740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 684e4d3000 RDI: 0000000000000001 # [ 41.650365] RBP: 00000000<4>[ 49.709074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000d R08: 00000000ffffffff R09: 0000000000000000 # [ 41.6<4>[ 49.721999] CR2: 00007fda6e2dd000 CR3: 0000000106e30001 CR4: 00000000003706e0 58624] R10: 00007f684e5104d0 R11: 0000000000000202 R12: 00007f68<4>[ 49.736479] Call Trace: 4e4d3000 # [ 41.666883] R13: 0000000000000001 R14: 0000000000<4>[ 49.745722] ? __warn+0x80/0x110 020000 R15: 0000000000000000 # EXEC_KMALLOC: saw 'call trace:':<4>[ 49.755828] ? refcount_warn_saturate+0x97/0x110 ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm<4>[ 49.767489] ? report_bug+0x9e/0xc0 : EXEC_VMALLOC.sh # Killed # [ 41.810702] lkdtm: Performing <4>[ 49.777890] ? handle_bug+0x41/0x90 direct entry EXEC_VMALLOC # [ 41.818092] lkdtm: attempting ok<4>[ 49.788288] ? exc_invalid_op+0x14/0x70 execution at ffffffffb3b805f0 # [ 41.824945] lkdtm: attempti<4>[ 49.799077] ? asm_exc_invalid_op+0x12/0x20 ng bad execution at ffffb5dc00361000 # [ 41.831910] kernel tr<4>[ 49.810258] ? refcount_warn_saturate+0x97/0x110 ied to execute NX-protected page - exploit attempt? (uid: 0) # <4>[ 49.821922] ? refcount_warn_saturate+0x97/0x110 [ 41.840577] BUG: unable to handle page fault for address: fff<4>[ 49.833585] __refcount_add_not_zero.constprop.0+0x2a/0x35 fb5dc00361000 # [ 41.854760] #PF: supervisor instruction fetc<4>[ 49.846222] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 h in kernel mode # [ 41.861361] #PF: error_code(0x0011) - per<4>[ 49.858953] direct_entry.cold+0x2c/0x38 missions violation # [ 41.867873] PGD 100000067 P4D 100000067<4>[ 49.869842] full_proxy_write+0x53/0x80 PUD 10023f067 PMD 100974067 PTE 800000010613d063 # [ 41.8772<4>[ 49.880631] vfs_write+0xe7/0x3b0 05] Oops: 0011 [#8] SMP PTI # [ 41.881386] CPU: 3 PID: 1711 C<4>[ 49.890838] ksys_write+0x68/0xf0 omm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 41<4>[ 49.901046] do_syscall_64+0x30/0x40 .890324] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.911543] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 41.897422] RIP: 0010:0xffffb5dc00361000 # [ 41.902091] <4>[ 49.911546] RIP: 0033:0x7fda6e3f9240 <4>[ 49.911550] 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 Code: Unable to access opcode bytes at RIP 0xffffb5dc00360fd6. <4>[ 49.955465] RSP: 002b:00007fff36ea3cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 41.910060] RSP: 0018:ffffb5dc023ffe38 EFLAGS: 00010246 # <4>[ 49.970428] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fda6e3f9240 [ 41.916195] RAX: 0000000000000033 RBX: 0000000000000001 RCX: <4>[ 49.984905] RDX: 000000000000001f RSI: 00007fda6e2dd000 RDI: 0000000000000001 0000000000000000 # [ 41.924456] RDX: 0000000000000000 RSI: ff<4>[ 49.999385] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 ff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 41.932716] RBP: ffff<4>[ 50.013866] R10: 00007fda6e31a4d0 R11: 0000000000000202 R12: 00007fda6e2dd000 b5dc00361000 R08: 0000000000000000 R09: 0000000000000000 # [ <4>[ 50.028345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 41.940977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[ 50.042830] irq event stamp: 0 00000000000d # [ 41.949236] R13: ffffb5dc023fff10 R14: ffffb5<4>[ 50.052742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 dc023fff10 R15: ffff96c6c613d000 # [ 41.957497] FS: 00007f94<4>[ 50.066249] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0d920740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 50.081895] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.966825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 50.097539] softirqs last disabled at (0): [<0000000000000000>] 0x0 033 # [ 41.973530] CR2: ffffb5dc00360fd6 CR3: 0000000105a3e00<4>[ 50.111049] ---[ end trace 960df89270c00950 ]--- 2 CR4: 00000000003706e0 # [ 41.981791] Call Trace: # [ 41.<6>[ 50.122711] lkdtm: Overflow detected: saturated 984812] ? __die_body.cold+0x1a/0x1f # [ 41.989481] ? no_context+0x177/0x380 # [ 41.993851] ? exc_page_fault+0xd7/0x170 # [ 41.998521] ? asm_exc_page_fault+0x1e/0x30 # [ 42.003485] ? execute_location+0x45/0x56 # [ 42.008252] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 42.013210] ? direct_entry.cold+0x2c/0x38 # [ 42.018074] ? full_proxy_write+0x53/0x80 # [ 42.022841] ? vfs_write+0xe7/0x3b0 # [ 42.027023] ? ksys_write+0x68/0xf0 # [ 42.031208] ? do_syscall_64+0x30/0x40 # [ 42.035680] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 42.041806] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 42.102253] CR2: ffffb5dc00361000 # [ 42.106233] ---[ end trace 960df89270c00945 ]--- # [ 42.111667] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.116335] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 <6>[ 50.259795] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 0<6>[ 50.272771] lkdtm: attempting bad refcount_add_not_zero() overflow 0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 <4>[ 50.286180] ------------[ cut here ]------------ cc c9 03 # [ 42.137609] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00<4>[ 50.297842] refcount_t: saturated; leaking memory. 010282 # [ 42.143733] RAX: ffffffffb3b80220 RBX: 000000000000<4>[ 50.309733] WARNING: CPU: 1 PID: 2138 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0001 RCX: 0000000000000000 # [ 42.151993] RDX: 00000000000000<4>[ 50.325653] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 00 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 42.160255]<4>[ 50.386069] CPU: 1 PID: 2138 Comm: cat Tainted: G D W 5.10.217-cip47 #1 RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 00000000000000<4>[ 50.401227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 01 # [ 42.168515] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[ 50.414540] RIP: 0010:refcount_warn_saturate+0x97/0x110 R12: 0000000000000004 # [ 42.176776] R13: ffffb5dc013e7f10 R<4>[ 50.426881] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 42.185039] FS:<4>[ 50.454372] RSP: 0018:ffffb5dc02aa7e38 EFLAGS: 00010282 00007f940d920740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000<4>[ 50.466719] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 000000000 # [ 42.194370] CS: 0010 DS: 0000 ES: 0000 CR0: 000<4>[ 50.481194] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 0000080050033 # [ 42.201077] CR2: ffffb5dc00360fd6 CR3: 00000<4>[ 50.495673] RBP: ffffffffb5ec6880 R08: 0000000000000000 R09: 0000000000000000 00105a3e002 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call tra<4>[ 50.510153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ce:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: <4>[ 50.524635] R13: ffffb5dc02aa7f10 R14: ffffb5dc02aa7f10 R15: ffff96c6c31db000 lkdtm: EXEC_RODATA.sh # Killed # [ 42.344326] lkdtm: Perform<4>[ 50.539115] FS: 00007f54c8a22740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 ing direct entry EXEC_RODATA # [ 42.352143] lkdtm: attempting<4>[ 50.554659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ok execution at ffffffffb3b805f0 # [ 42.358977] lkdtm: attem<4>[ 50.567588] CR2: 00007f54c8a01000 CR3: 00000001036ba002 CR4: 00000000003706e0 pting bad execution at ffffffffb5a40840 # [ 42.365902] kernel<4>[ 50.582064] Call Trace: tried to execute NX-protected page - exploit attempt? (uid: 0) <4>[ 50.591323] ? __warn+0x80/0x110 # [ 42.374560] BUG: unable to handle page fault for address: <4>[ 50.601412] ? refcount_warn_saturate+0x97/0x110 ffffffffb5a40840 # [ 42.382532] #PF: supervisor instruction f<4>[ 50.613102] ? report_bug+0x9e/0xc0 etch in kernel mode # [ 42.389141] #PF: error_code(0x0011) - <4>[ 50.623499] ? handle_bug+0x41/0x90 <4>[ 50.633875] ? exc_invalid_op+0x14/0x70 permissions violation # [ 42.395653] PGD 132e29067 P4D 132e29<4>[ 50.638451] ? asm_exc_invalid_op+0x12/0x20 067 PUD 132e2a063 PMD 80000001328000e1 # [ 42.403725] Oops: <4>[ 50.649626] ? refcount_warn_saturate+0x97/0x110 0011 [#9] SMP PTI # [ 42.414121] CPU: 2 PID: 1748 Comm: cat T<4>[ 50.661288] ? refcount_warn_saturate+0x97/0x110 <4>[ 50.672949] __refcount_add_not_zero.constprop.0+0x2a/0x35 ainted: G D W 5.10.217-cip47 #1 # [ 42.423061] H<4>[ 50.679369] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 50.692092] direct_entry.cold+0x2c/0x38 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.4<4>[ 50.696779] full_proxy_write+0x53/0x80 30160] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 42.4361<4>[ 50.707563] vfs_write+0xe7/0x3b0 86] Code: ff ff 1d 5d 22 b4 ff ff ff ff ca 6d ec b5 ff ff ff ff <4>[ 50.717770] ksys_write+0x68/0xf0 63 44 22 b4 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 0<4>[ 50.727978] do_syscall_64+0x30/0x40 <4>[ 50.738475] entry_SYSCALL_64_after_hwframe+0x67/0xcc 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 <4>[ 50.744408] RIP: 0033:0x7f54c8b1d240 <4>[ 50.754901] 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 69 73 20 69 # [ 42.457460] RSP: 0018:ffffb5dc02467e48 EFLAGS:<4>[ 50.776179] RSP: 002b:00007ffd2b4a5638 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 50.791138] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f54c8b1d240 00010246 # [ 42.463585] RAX: 0000000000000033 RBX: 000000000<4>[ 50.799402] RDX: 000000000000001f RSI: 00007f54c8a01000 RDI: 0000000000000001 <4>[ 50.813877] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 0000000 RCX: 0000000000000000 # [ 42.471846] RDX: 00000000000<4>[ 50.822142] R10: 00007f54c8a3e4d0 R11: 0000000000000202 R12: 00007f54c8a01000 <4>[ 50.836614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 00000 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 # [ 42.4801<4>[ 50.844884] irq event stamp: 0 06] RBP: ffffffffb5a40840 R08: 0000000000000000 R09: 00000000000<4>[ 50.854791] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000 # [ 42.488366] R10: 00000000ffffe000 R11: 3ffffffffffff<4>[ 50.868303] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 fff R12: 000000000000000c # [ 42.496625] R13: ffffb5dc02467f1<4>[ 50.883947] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0 R14: ffffb5dc02467f10 R15: ffff96c6c2745000 # [ 42.504886] <4>[ 50.899591] softirqs last disabled at (0): [<0000000000000000>] 0x0 FS: 00007f43ca720740(0000) GS:ffff96c73ad00000(0000) knlGS:0000<4>[ 50.913098] ---[ end trace 960df89270c00951 ]--- 000000000000 # [ 42.514214] CS: 0010 DS: 0000 ES: 0000 CR0: <6>[ 50.924761] lkdtm: Overflow detected: saturated 0000000080050033 # [ 42.520920] CR2: ffffffffb5a40840 CR3: 00000001036fe006 CR4: 00000000003706e0 # [ 42.529180] Call Trace: # [ 42.532199] ? __die_body.cold+0x1a/0x1f # [ 42.536869] ? no_context+0x177/0x380 # [ 42.541249] ? exc_page_fault+0xd7/0x170 # [ 42.545917] ? asm_exc_page_fault+0x1e/0x30 # [ 42.550881] ? execute_location+0x45/0x56 # [ 42.555646] ? direct_entry.cold+0x2c/0x38 # [ 42.560511] ? full_proxy_write+0x53/0x80 # [ 42.565277] ? vfs_write+0xe7/0x3b0 # [ 42.569459] ? ksys_write+0x68/0xf0 # [ 42.573642] ? do_syscall_64+0x30/0x40 # [ 42.578107] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 42.584234] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [<6>[ 51.052256] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 51.061030] lkdtm: attempting good refcount_dec() <6>[ 51.066583] lkdtm: attempting bad refcount_dec() to zero <4>[ 51.072808] ------------[ cut here ]------------ <4>[ 51.078256] refcount_t: decrement hit 0; leaking memory. <4>[ 51.084511] WARNING: CPU: 2 PID: 2171 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 42.644681] CR2: ffffffffb5a40840 # [ 42.648712] ---[ end t<4>[ 51.094238] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 51.154643] CPU: 2 PID: 2171 Comm: cat Tainted: G D W 5.10.217-cip47 #1 race 960df89270c00946 ]--- # [ 42.654157] RIP: 0010:lkdtm_BUG<4>[ 51.163590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.176905] RIP: 0010:refcount_warn_saturate+0xfb/0x110 +0x5/0x10 # [ 42.658824] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 <4>[ 51.183061] Code: f0 13 e2 b5 c6 05 3c ba d6 02 01 e8 85 0d c2 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 13 e2 b5 c6 05 23 ba d6 02 01 e8 6b 0d c2 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 51.210547] RSP: 0018:ffffb5dc02a3fe48 EFLAGS: 00010286 <4>[ 51.216702] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f<4>[ 51.224980] RDX: ffff96c73ad2c620 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 <4>[ 51.239450] RBP: ffffffffb5ec6c39 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.247716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 51.255982] R13: ffffb5dc02a3ff10 R14: ffffb5dc02a3ff10 R15: ffff96c6c2c96000 <4>[ 51.264246] FS: 00007f3aca3ae740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 51.273577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.280287] CR2: 00007f3aca38d000 CR3: 0000000106238005 CR4: 00000000003706e0 <4>[ 51.288551] Call Trace: <4>[ 51.291575] ? __warn+0x80/0x110 4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 <4>[ 51.295495] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.307152] ? report_bug+0x9e/0xc0 <4>[ 51.311339] ? handle_bug+0x41/0x90 <4>[ 51.315550] ? exc_invalid_op+0x14/0x70 <4>[ 51.320123] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.325091] ? refcount_warn_saturate+0xfb/0x110 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 42.680095] RSP: 0018:<4>[ 51.330565] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.342221] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 51.347476] direct_entry.cold+0x2c/0x38 <4>[ 51.352148] full_proxy_write+0x53/0x80 <4>[ 51.356764] vfs_write+0xe7/0x3b0 <4>[ 51.360779] ksys_write+0x68/0xf0 <4>[ 51.364773] do_syscall_64+0x30/0x40 <4>[ 51.369055] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 51.374990] RIP: 0033:0x7f3aca4a9240 <4>[ 51.379272] 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>[ 51.400548] RSP: 002b:00007fff7204dee8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 51.409299] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3aca4a9240 <4>[ 51.417562] RDX: 0000000000000012 RSI: 00007f3aca38d000 RDI: 0000000000000001 <4>[ 51.425825] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 ffffb5dc013e7e60 EFLAGS: 00010282 # [ 42.686220] RAX: fffffff<4>[ 51.434091] R10: 00007f3aca3ca4d0 R11: 0000000000000202 R12: 00007f3aca38d000 <4>[ 51.448570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 fb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.<4>[ 51.456841] irq event stamp: 0 <4>[ 51.466761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.474056] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.483487] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.492916] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.500210] ---[ end trace 960df89270c00952 ]--- <6>[ 51.505656] lkdtm: Zero detected: saturated 694481] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 42.702761] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 42.711021] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.719280] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 42.727539] FS: 00007f43ca720740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 42.736868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.743573] CR2: ffffffffb5a40840 CR3: 00000001036fe006 CR4: 00000000003706e0 # [ 42.751834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.762035] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1748, name: cat # [ 42.770781] INFO: lockdep is turned off. # [ 42.775446] irq event stamp: 0 # [ 42.779143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.786423] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.795849] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.805276] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.812569] CPU: 2 PID: 1748 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 42.827723] Hardware name: Google Rammus/Rammus, BIOS 09<6>[ 51.637176] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 51.648250] lkdtm: attempting bad refcount_dec() below zero <4>[ 51.654801] ------------[ cut here ]------------ <4>[ 51.660274] refcount_t: decrement hit 0; leaking memory. <4>[ 51.666537] WARNING: CPU: 3 PID: 2207 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 51.676272] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table /04/2020 # [ 42.834819] Call Trace: # [ 42.837839] dump_s<4>[ 51.730516] CPU: 3 PID: 2207 Comm: cat Tainted: G D W 5.10.217-cip47 #1 tack+0x77/0x9b # [ 42.841829] ___might_sleep.cold+0xa6/0xb6 <4>[ 51.745670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.758987] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 51.765146] Code: f0 13 e2 b5 c6 05 3c ba d6 02 01 e8 85 0d c2 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 13 e2 b5 c6 05 23 ba d6 02 01 e8 6b 0d c2 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 51.786447] RSP: 0018:ffffb5dc02bb7e48 EFLAGS: 00010286 <4>[ 51.792621] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 42.846717] exit_signals+0x1c/0x300 # [ 42.850997] do<4>[ 51.800901] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 51.815367] RBP: ffffffffb5ec6c4b R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.823630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 51.831893] R13: ffffb5dc02bb7f10 R14: ffffb5dc02bb7f10 R15: ffff96c6c29b4000 <4>[ 51.840157] FS: 00007faf1b945740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 51.849491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.856200] CR2: 00007faf1b924000 CR3: 00000001050b6006 CR4: 00000000003706e0 <4>[ 51.864466] Call Trace: <4>[ 51.867508] ? __warn+0x80/0x110 _exit+0xc2/0xab0 # [ 42.854793] ? ksys_write+0x68/0xf0 # [ <4>[ 51.871414] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.883071] ? report_bug+0x9e/0xc0 <4>[ 51.887259] ? handle_bug+0x41/0x90 <4>[ 51.891467] ? exc_invalid_op+0x14/0x70 <4>[ 51.896041] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.901006] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.906484] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.911958] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 51.917602] direct_entry.cold+0x2c/0x38 <4>[ 51.922277] full_proxy_write+0x53/0x80 <4>[ 51.926884] vfs_write+0xe7/0x3b0 <4>[ 51.930907] ksys_write+0x68/0xf0 <4>[ 51.934924] do_syscall_64+0x30/0x40 <4>[ 51.939208] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 51.945143] RIP: 0033:0x7faf1ba40240 <4>[ 51.949426] 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 42.858975] make_task_dead+0x2f/0x30 # [ 42.863341] rewind<4>[ 51.970714] RSP: 002b:00007ffccdf98448 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 51.985679] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007faf1ba40240 <4>[ 51.993943] RDX: 0000000000000016 RSI: 00007faf1b924000 RDI: 0000000000000001 <4>[ 52.002207] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 _stack_and_make_dead+0x17/0x20 # [ 42.868883] RIP: 0033:0x7f4<4>[ 52.010474] R10: 00007faf1b9614d0 R11: 0000000000000202 R12: 00007faf1b924000 3ca81b240 # [ 42.873154] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 <4>[ 52.024954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 52.039455] irq event stamp: 0 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 0<4>[ 52.043166] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.056668] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.066097] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.075526] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.082818] ---[ end trace 960df89270c00953 ]--- <6>[ 52.088264] lkdtm: Negative detected: saturated 0 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 # [ 42.894426] RSP: 002b:00007ffd6c28ee18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 42.903174] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f43ca81b240 # [ 42.911434] RDX: 000000000000000c RSI: 00007f43ca6ff000 RDI: 0000000000000001 # [ 42.919711] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 42.927971] R10: 00007f43ca73c4d0 R11: 0000000000000202 R12: 00007f43ca6ff000 # [ 42.936232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 43.087382] lkdtm: Performing direct entry EXEC_USERSPACE # [ 43.093867] lkdtm: attempting ok execution at ffffffffb3b805f0 # [ 43.100719] lkdtm: attempting bad execution at 00007f0b549da000 # [ 43.107655] unable to execute userspace code (SMEP?) (uid: 0) # [ 43.114375] BUG: unable to handle page fault for address: 00007f0b549da000 # [ 43.122348] #PF: supervisor instruction fetch in kernel mode # [ 43.135170] #PF: error_code(0x0011) - permissions violation # [ 43.141674] PGD 80000001035aa067 P4D 80000001035aa067 PUD 10606b067 PMD 1031ca067 PTE 10ea93067 # [ 43.157901] Oops: 0011 [#10] SMP PTI # [ 43.162182] CPU: 3 PID: 1786 Comm: c<6>[ 52.230301] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 52.238278] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 52.245702] ------------[ cut here ]------------ <4>[ 52.251180] refcount_t: underflow; use-after-free. <4>[ 52.256878] WARNING: CPU: 3 PID: 2243 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 at Tainted: G D W 5.10.217-cip47 #1 # [ 43.17112<4>[ 52.266614] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 52.327069] CPU: 3 PID: 2243 Comm: cat Tainted: G D W 5.10.217-cip47 #1 3] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 52.336037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.349356] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 52.355513] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 52.376788] RSP: 0018:ffffb5dc02c47e40 EFLAGS: 00010286 <4>[ 52.382915] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 52.391202] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 43.184434] RIP: 0010:0x7f0b549da000 # [ 43.188710] Code: Unab<4>[ 52.399479] RBP: ffffffffb5ec68a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.413948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 52.422212] R13: ffffb5dc02c47f10 R14: ffffb5dc02c47f10 R15: ffff96c6c6220000 <4>[ 52.430476] FS: 00007fc8ee6bf740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 52.439806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.446515] CR2: 00007fc8ee69e000 CR3: 0000000105b56005 CR4: 00000000003706e0 <4>[ 52.454779] Call Trace: <4>[ 52.457821] ? __warn+0x80/0x110 le to access opcode bytes at RIP 0x7f0b549d9fd6. # [ 43.19629<4>[ 52.461725] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.473381] ? report_bug+0x9e/0xc0 <4>[ 52.477567] ? handle_bug+0x41/0x90 <4>[ 52.481776] ? exc_invalid_op+0x14/0x70 <4>[ 52.486350] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.491315] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.496775] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 52.503194] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 0] RSP: 0018:ffffb5dc02537e50 EFLAGS: 00010246 # [ 43.202415]<4>[ 52.509714] direct_entry.cold+0x2c/0x38 <4>[ 52.520604] full_proxy_write+0x53/0x80 <4>[ 52.525201] vfs_write+0xe7/0x3b0 <4>[ 52.529193] ksys_write+0x68/0xf0 <4>[ 52.533184] do_syscall_64+0x30/0x40 <4>[ 52.537467] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 52.543402] RIP: 0033:0x7fc8ee7ba240 <4>[ 52.547701] 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 RAX: 0000000000000033 RBX: 0000000000000024 RCX: 00000000000000<4>[ 52.568987] RSP: 002b:00007ffece552868 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 52.583946] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc8ee7ba240 <4>[ 52.592209] RDX: 000000000000001f RSI: 00007fc8ee69e000 RDI: 0000000000000001 <4>[ 52.600473] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 00 # [ 43.210666] RDX: 0000000000000000 RSI: ffff96c73ad9bf50<4>[ 52.608737] R10: 00007fc8ee6db4d0 R11: 0000000000000202 R12: 00007fc8ee69e000 <4>[ 52.623216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 RDI: ffff96c73ad9bf50 # [ 43.218926] RBP: 00007f0b549da000 R<4>[ 52.631485] irq event stamp: 0 <4>[ 52.641392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.648703] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 08: 0000000000000000 R09: 0000000000000000 # [ 43.227185] R10<4>[ 52.658142] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.673781] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.681072] ---[ end trace 960df89270c00954 ]--- <6>[ 52.686519] lkdtm: Negative detected: saturated : 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 43.235445] R13: ffffb5dc02537f10 R14: ffffb5dc02537f10 R15: ffff96c6c26d7000 # [ 43.243712] FS: 00007f0b547f3740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 43.253040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.259768] CR2: 00007f0b549da000 CR3: 00000001026e4004 CR4: 00000000003706e0 # [ 43.268027] Call Trace: # [ 43.271048] ? __die_body.cold+0x1a/0x1f # [ 43.275717] ? no_context+0x177/0x380 # [ 43.280097] ? exc_page_fault+0x53/0x170 # [ 43.284769] ? asm_exc_page_fault+0x1e/0x30 # [ 43.289733] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 43.295379] ? direct_entry.cold+0x2c/0x38 # [ 43.300233] ? full_proxy_write+0x53/0x80 # [ 43.304999] ? vfs_write+0xe7/0x3b0 # [ 43.309174] ? ksys_write+0x68/0xf0 # [ 43.313357] ? do_syscall_64+0x30/0x40 # [ 43.317822] ? entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 43.323948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi vi<6>[ 52.823543] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE deobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led<6>[ 52.836508] lkdtm: attempting bad refcount_sub_and_test() below zero _backlight chromeos_pstore coreboot_table # [ 43.384395] CR2:<4>[ 52.850131] ------------[ cut here ]------------ <4>[ 52.861776] refcount_t: underflow; use-after-free. 00007f0b549da000 # [ 43.388383] ---[ end trace 960df89270c00<4>[ 52.867443] WARNING: CPU: 1 PID: 2279 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 947 ]--- # [ 43.393829] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 4<4>[ 52.883341] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 3.398488] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de <4>[ 52.943767] CPU: 1 PID: 2279 Comm: cat Tainted: G D W 5.10.217-cip47 #1 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0<4>[ 52.958925] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <4>[ 52.972241] RIP: 0010:refcount_warn_saturate+0xba/0x110 83 05 30 cc c9 03 # [ 43.419772] RSP: 0018:ffffb5dc013e7e60 E<4>[ 52.984581] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 FLAGS: 00010282 # [ 43.425896] RAX: ffffffffb3b80220 RBX: 000<4>[ 53.012099] RSP: 0018:ffffb5dc02cdfe40 EFLAGS: 00010286 0000000000001 RCX: 0000000000000000 # [ 43.434156] RDX: 00000<4>[ 53.024417] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 4<4>[ 53.038894] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 3.442416] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 00000<4>[ 53.053372] RBP: ffffffffb5ec68c0 R08: 0000000000000000 R09: 0000000000000000 00000000001 # [ 43.450674] R10: 00000000ffffe000 R11: 3ffffff<4>[ 53.067851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f fffffffff R12: 0000000000000004 # [ 43.458935] R13: ffffb5dc0<4>[ 53.082331] R13: ffffb5dc02cdff10 R14: ffffb5dc02cdff10 R15: ffff96c6c2ace000 13e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 43.46<4>[ 53.096810] FS: 00007f96d5d96740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 7194] FS: 00007f0b547f3740(0000) GS:ffff96c73ad80000(0000) knlG<4>[ 53.112359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 S:0000000000000000 # [ 43.476522] CS: 0010 DS: 0000 ES: 0000<4>[ 53.125285] CR2: 00007f96d5d75000 CR3: 0000000105a4c006 CR4: 00000000003706e0 CR0: 0000000080050033 # [ 43.483228] CR2: 00007f0b549da000 C<4>[ 53.139766] Call Trace: R3: 00000001026e4004 CR4: 00000000003706e0 # EXEC_USERSPACE: sa<4>[ 53.149006] ? __warn+0x80/0x110 w 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh <4>[ 53.159114] ? refcount_warn_saturate+0xba/0x110 # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 43.602771] lkd<4>[ 53.170779] ? report_bug+0x9e/0xc0 tm: Performing direct entry EXEC_NULL # [ 43.609240] lkdtm: a<4>[ 53.181182] ? handle_bug+0x41/0x90 ttempting ok execution at ffffffffb3b805f0 # [ 43.616079] lkd<4>[ 53.191582] ? exc_invalid_op+0x14/0x70 tm: attempting bad execution at 0000000000000000 # [ 43.62299<4>[ 53.202374] ? asm_exc_invalid_op+0x12/0x20 1] BUG: kernel NULL pointer dereference, address: 00000000000000<4>[ 53.213558] ? refcount_warn_saturate+0xba/0x110 00 # [ 43.637266] #PF: supervisor instruction fetch in kernel<4>[ 53.225223] __refcount_sub_and_test.constprop.0+0x3c/0x50 mode # [ 43.643877] #PF: error_code(0x0010) - not-present pa<4>[ 53.237858] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ge # [ 43.649905] PGD 0 P4D 0 # [ 43.653024] Oops: 0010 [<4>[ 53.250587] direct_entry.cold+0x2c/0x38 #11] SMP PTI # [ 43.663517] CPU: 3 PID: 1823 Comm: cat Tainte<4>[ 53.261476] full_proxy_write+0x53/0x80 d: G D W 5.10.217-cip47 #1 # [ 43.672460] Hardwa<4>[ 53.272265] vfs_write+0xe7/0x3b0 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.685775<4>[ 53.282470] ksys_write+0x68/0xf0 ] RIP: 0010:0x0 # [ 43.688989] Code: Unable to access opcode <4>[ 53.292681] do_syscall_64+0x30/0x40 bytes at RIP 0xffffffffffffffd6. # [ 43.696958] RSP: 0018:fff<4>[ 53.303176] entry_SYSCALL_64_after_hwframe+0x67/0xcc fb5dc025afe48 EFLAGS: 00010246 # [ 43.703074] RAX: 0000000000<4>[ 53.315326] RIP: 0033:0x7f96d5e91240 000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 43.711<4>[ 53.325824] 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 89 333] RDX: 0000000000000000 RSI: ffff96c73ad9bf50 RDI: ffff96c73a<4>[ 53.353313] RSP: 002b:00007ffda32f0f28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 d9bf50 # [ 43.719593] RBP: 0000000000000000 R08: 000000000000<4>[ 53.368278] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f96d5e91240 0000 R09: 0000000000000000 # [ 43.727853] R10: 00000000ffffe0<4>[ 53.382757] RDX: 000000000000001f RSI: 00007f96d5d75000 RDI: 0000000000000001 00 R11: 3fffffffffffffff R12: 000000000000000a # [ 43.736113]<4>[ 53.397237] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 R13: ffffb5dc025aff10 R14: ffffb5dc025aff10 R15: ffff96c6c62a70<4>[ 53.411717] R10: 00007f96d5db24d0 R11: 0000000000000202 R12: 00007f96d5d75000 00 # [ 43.744374] FS: 00007fe1fdbd6740(0000) GS:ffff96c73ad8<4>[ 53.426197] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0000(0000) knlGS:0000000000000000 # [ 43.753709] CS: 0010 DS<4>[ 53.440686] irq event stamp: 0 : 0000 ES: 0000 CR0: 0000000080050033 # [ 43.760415] CR2: fff<4>[ 53.450599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffffd6 CR3: 0000000103bd8002 CR4: 00000000003706e0 # [ <4>[ 53.464107] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 43.768674] Call Trace: # [ 43.771718] ? __die_body.cold+0x1<4>[ 53.479754] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 a/0x1f # [ 43.776389] ? no_context+0x177/0x380 # [ 43.780<4>[ 53.495399] softirqs last disabled at (0): [<0000000000000000>] 0x0 770] ? exc_page_fault+0x53/0x170 # [ 43.785439] ? asm_exc_p<4>[ 53.508907] ---[ end trace 960df89270c00955 ]--- age_fault+0x1e/0x30 # [ 43.790403] execute_location+0x45/0x5<6>[ 53.520573] lkdtm: Negative detected: saturated 6 # [ 43.794975] direct_entry.cold+0x2c/0x38 # [ 43.799645] full_proxy_write+0x53/0x80 # [ 43.804217] vfs_write+0xe7/0x3b0 # [ 43.808205] ksys_write+0x68/0xf0 # [ 43.812194] do_syscall_64+0x30/0x40 # [ 43.816472] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 43.822403] RIP: 0033:0x7fe1fdcd1240 # [ 43.826700] 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 # [ 43.847974] RSP: 002b:00007ffed230e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 43.862934] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe1fdcd1240 # [ 43.871194] RDX: 000000000000000a RSI: 00007fe1fdbb5000 RDI: 0000000000000001 # [ 43.879453] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 43.887714] R10: 00007fe1fdbf24d0 R11: 0000000000000202 R12: 00007fe1fdbb5000 # [ 43.895973] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 43.904238] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cro<6>[ 53.653749] lkdtm: Performing direct entry REFCOUNT_INC_ZERO s_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvc<6>[ 53.663078] lkdtm: attempting safe refcount_inc_not_zero() from zero video snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_<6>[ 53.676687] lkdtm: Good: zero detected v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev s<6>[ 53.687378] lkdtm: Correctly stayed at zero nd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cro<6>[ 53.698554] lkdtm: attempting bad refcount_inc() from zero s_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_t<4>[ 53.711190] ------------[ cut here ]------------ <4>[ 53.722851] refcount_t: addition on 0; use-after-free. able # [ 43.964702] CR2: 0000000000000000 # [ 43.968689] -<4>[ 53.728914] WARNING: CPU: 1 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 --[ end trace 960df89270c00948 ]--- # [ 43.980348] RIP: 0010:<4>[ 53.744815] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table lkdtm_BUG+0x5/0x10 # [ 43.985016] Code: 89 ff e8 2e ac 79 ff <4>[ 53.805232] CPU: 1 PID: 2312 Comm: cat Tainted: G D W 5.10.217-cip47 #1 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 4<4>[ 53.820392] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 <4>[ 53.833717] RIP: 0010:refcount_warn_saturate+0x74/0x110 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 44.006281] R<4>[ 53.846058] Code: 02 01 e8 15 0e c2 00 0f 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 b5 c6 05 ac ba d6 02 01 e8 f2 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 SP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 44.012404] RAX<4>[ 53.873573] RSP: 0018:ffffb5dc02d77e48 EFLAGS: 00010286 : ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 53.885896] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 53.900372] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 44.020664] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI<4>[ 53.908637] RBP: ffffffffb5ec6c61 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.923111] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 : ffffffffb5a403b0 # [ 44.028924] RBP: ffffffffb5f2d6c0 R08: <4>[ 53.931376] R13: ffffb5dc02d77f10 R14: ffffb5dc02d77f10 R15: ffff96c6c3186000 <4>[ 53.945851] FS: 00007ff28dbd5740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 0000000000000001 R09: 0000000000000001 # [ 44.037185] R10: 00<4>[ 53.955183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.968105] CR2: 00007ff28dbb4000 CR3: 0000000106180006 CR4: 00000000003706e0 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <4>[ 53.976370] Call Trace: 44.045446] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ff<4>[ 53.985605] ? __warn+0x80/0x110 ff96c6c26d6000 # [ 44.053713] FS: 00007fe1fdbd6740(0000) GS:<4>[ 53.995716] ? refcount_warn_saturate+0x74/0x110 ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 44.063042] <4>[ 54.007379] ? report_bug+0x9e/0xc0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.0697<4>[ 54.017781] ? handle_bug+0x41/0x90 63] CR2: ffffffffffffffd6 CR3: 0000000103bd8002 CR4: 00000000003<4>[ 54.028179] ? exc_invalid_op+0x14/0x70 706e0 # [ 44.078022] BUG: sleeping function called from inval<4>[ 54.038969] ? asm_exc_invalid_op+0x12/0x20 id context at include/linux/percpu-rwsem.h:49 # [ 44.088226] <4>[ 54.050150] ? refcount_warn_saturate+0x74/0x110 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1823, nam<4>[ 54.061812] ? refcount_warn_saturate+0x74/0x110 e: cat # [ 44.096964] INFO: lockdep is turned off. # [ 44.<4>[ 54.073475] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 101630] irq event stamp: 0 # [ 44.105326] hardirqs last enab<4>[ 54.084946] direct_entry.cold+0x2c/0x38 led at (0): [<0000000000000000>] 0x0 # [ 44.112617] hardirqs <4>[ 54.095851] full_proxy_write+0x53/0x80 last disabled at (0): [] copy_process+0x65c/0x<4>[ 54.106621] vfs_write+0xe7/0x3b0 20e0 # [ 44.122042] softirqs last enabled at (0): [[ 54.116825] ksys_write+0x68/0xf0 b30fde5c>] copy_process+0x65c/0x20e0 # [ 44.131467] softirqs <4>[ 54.127033] do_syscall_64+0x30/0x40 last disabled at (0): [<0000000000000000>] 0x0 # [ 44.138767]<4>[ 54.137528] entry_SYSCALL_64_after_hwframe+0x67/0xcc CPU: 3 PID: 1823 Comm: cat Tainted: G D W 5.10.217<4>[ 54.149679] RIP: 0033:0x7ff28dcd0240 -cip47 #1 # [ 44.147710] Hardware name: Google Rammus/Rammus,<4>[ 54.160176] 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 BIOS 09/04/2020 # [ 44.154804] Call Trace: # [ 44.157822<4>[ 54.187668] RSP: 002b:00007ffe0618cbd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 54.202632] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff28dcd0240 ] dump_stack+0x77/0x9b # [ 44.161811] ___might_sleep.cold+0<4>[ 54.210897] RDX: 0000000000000012 RSI: 00007ff28dbb4000 RDI: 0000000000000001 <4>[ 54.225370] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 xa6/0xb6 # [ 44.166674] exit_signals+0x1c/0x300 # [ 44.17<4>[ 54.233634] R10: 00007ff28dbf14d0 R11: 0000000000000202 R12: 00007ff28dbb4000 <4>[ 54.248107] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0954] do_exit+0xc2/0xab0 # [ 44.174742] ? ksys_write+0x68/0<4>[ 54.256376] irq event stamp: 0 <4>[ 54.266283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 xf0 # [ 44.178944] make_task_dead+0x2f/0x30 # [ 44.183312<4>[ 54.273580] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.289219] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ] rewind_stack_and_make_dead+0x17/0x20 # [ 44.188853] RIP: 0<4>[ 54.298651] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.312154] ---[ end trace 960df89270c00956 ]--- 033:0x7fe1fdcd1240 # [ 44.193133] Code: 40 00 48 8b 15 c1 9b <6>[ 54.317603] lkdtm: Zero detected: saturated 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 # [ 44.214398] RSP: 002b:00007ffed230e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.223144] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe1fdcd1240 # [ 44.231403] RDX: 000000000000000a RSI: 00007fe1fdbb5000 RDI: 0000000000000001 # [ 44.239663] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 44.247922] R10: 00007fe1fdbf24d0 R11: 0000000000000202 R12: 00007fe1fdbb5000 # [ 44.256183] 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 # [ 44.387798] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 44.395380] lkdtm: attempting bad read at 00007fc404042000 # [ 44.407987] BUG: unable to handle page fault for address: 00007fc404042000 # [ 44.422151] #PF: supervisor read access in kernel mode # [ 44.428177] #PF: error_code(0x0001) - permissions violation # [ 44.434713] PGD 8000000103148067 P4D 8000000103148067 PUD 10730d067 PMD 1031da067 PTE 10ea5f067 # [ 44.444731] Oops: 0001 [#12] SMP PTI # [ 44.449002] CPU: 0 PID: 1859 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 44.457934] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.465032] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 44.471549] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e8 7a ec b5 e8 c6 d6 fb ff 48 c7 c7 10 7b ec b5 b8 de c0 <6>[ 54.486719] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 54.497078] lkdtm: attempting safe refcount_add_not_zero() from zero <6>[ 54.504476] lkdtm: Good: zero detected <6>[ 54.508963] lkdtm: Correctly stayed at zero <6>[ 54.513931] lkdtm: attempting bad refcount_add() from zero <4>[ 54.520351] ------------[ cut here ]------------ <4>[ 54.525797] refcount_t: addition on 0; use-after-free. <4>[ 54.531858] WARNING: CPU: 2 PID: 2345 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 de c0 <48> 03 45 00 48 89 04 24 e8 ad d6 fb ff 48 89 ee 48 c7 c7<4>[ 54.541584] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 54.601991] CPU: 2 PID: 2345 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 54.610958] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.618058] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 54.624185] Code: 02 01 e8 15 0e c2 00 0f 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 b5 c6 05 ac ba d6 02 01 e8 f2 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 <4>[ 54.645463] RSP: 0018:ffffb5dc02c97e48 EFLAGS: 00010286 <4>[ 54.651615] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 54.659877] RDX: ffff96c73ad2c620 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 <4>[ 54.668140] RBP: ffffffffb5ec6c73 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.676403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 54.684667] R13: ffffb5dc02c97f10 R14: ffffb5dc02c97f10 R15: ffff96c6c31df000 <4>[ 54.692930] FS: 00007f324e9e7740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 <4>[ 54.702261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.708971] CR2: 00007f324e9c6000 CR3: 000000010629e001 CR4: 00000000003706e0 <4>[ 54.717234] Call Trace: <4>[ 54.720274] ? __warn+0x80/0x110 38 7b ec # [ 44.492824] RSP: 0018:ffffb5dc0264fe48 EFLAGS: 0<4>[ 54.724180] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.735837] ? report_bug+0x9e/0xc0 <4>[ 54.740026] ? handle_bug+0x41/0x90 <4>[ 54.744241] ? exc_invalid_op+0x14/0x70 <4>[ 54.748815] ? asm_exc_invalid_op+0x12/0x20 <4>[ 54.753779] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.759249] ? refcount_warn_saturate+0x74/0x110 0010246 # [ 44.498940] RAX: 00000000c0dec0de RBX: 00000000000<4>[ 54.764699] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 00026 RCX: 0000000000000000 # [ 44.507201] RDX: 0000000000000<4>[ 54.776169] direct_entry.cold+0x2c/0x38 <4>[ 54.787079] full_proxy_write+0x53/0x80 000 RSI: ffff96c73ac1bf50 RDI: ffffffffb5ec7b10 # [ 44.515462<4>[ 54.791667] vfs_write+0xe7/0x3b0 <4>[ 54.801868] ksys_write+0x68/0xf0 <4>[ 54.805892] do_syscall_64+0x30/0x40 <4>[ 54.810199] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 54.816163] RIP: 0033:0x7f324eae2240 <4>[ 54.820448] 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 ] RBP: 00007fc404042000 R08: 0000000000000000 R09: 0000000000000<4>[ 54.841735] RSP: 002b:00007ffe2bb89798 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 000 # [ 44.523722] R10: 00000000ffffe000 R11: 3ffffffffffffff<4>[ 54.856722] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f324eae2240 <4>[ 54.871193] RDX: 0000000000000012 RSI: 00007f324e9c6000 RDI: 0000000000000001 <4>[ 54.879459] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 54.887723] R10: 00007f324ea034d0 R11: 0000000000000202 R12: 00007f324e9c6000 <4>[ 54.895990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 54.904258] irq event stamp: 0 f R12: 0000000000000011 # [ 44.531981] R13: ffffb5dc0264ff10 <4>[ 54.907986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.921487] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.930919] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.940350] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.947644] ---[ end trace 960df89270c00957 ]--- <6>[ 54.953091] lkdtm: Zero detected: saturated R14: ffffb5dc0264ff10 R15: ffff96c6c6c03000 # [ 44.540242] FS: 00007fc403e5b740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 # [ 44.549570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.556277] CR2: 00007fc404042000 CR3: 000000010621e006 CR4: 00000000003706f0 # [ 44.564536] Call Trace: # [ 44.567557] ? __die_body.cold+0x1a/0x1f # [ 44.572222] ? no_context+0x177/0x380 # [ 44.576593] ? exc_page_fault+0x53/0x170 # [ 44.581268] ? asm_exc_page_fault+0x1e/0x30 # [ 44.586219] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 44.592057] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 44.597891] direct_entry.cold+0x2c/0x38 # [ 44.602552] full_proxy_write+0x53/0x80 # [ 44.607128] vfs_write+0xe7/0x3b0 # [ 44.611108] ksys_write+0x68/0xf0 # [ 44.615088] do_syscall_64+0x30/0x40 # [ 44.619359] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 44.625281] RIP: 0033:0x7fc403f56240 # [ 44.629560] 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 # [ 44.650830] RSP: 002b:00007ffca84608d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.659577] RAX: ffff<6>[ 55.080967] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 55.089490] lkdtm: attempting bad refcount_inc() from saturated <4>[ 55.096412] ------------[ cut here ]------------ ffffffffffda RBX: 0000000000000011 RCX: 00007fc403f56240 # [ <4>[ 55.101868] refcount_t: saturated; leaking memory. 44.667837] RDX: 0000000000000011 RSI: 00007fc403e3a000 RDI: 0000<4>[ 55.113735] WARNING: CPU: 3 PID: 2381 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000000000001 # [ 44.676098] RBP: 0000000000000011 R08: 000000<4>[ 55.129659] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 55.190136] CPU: 3 PID: 2381 Comm: cat Tainted: G D W 5.10.217-cip47 #1 00ffffffff R09: 0000000000000000 # [ 44.684358] R10: 00007fc4<4>[ 55.199092] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.212396] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 55.218548] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 <4>[ 55.239824] RSP: 0018:ffffb5dc02e77e48 EFLAGS: 00010286 <4>[ 55.245951] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 55.254215] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 55.262479] RBP: ffffffffb5ec6c85 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.270757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.279054] R13: ffffb5dc02e77f10 R14: ffffb5dc02e77f10 R15: ffff96c6c3146000 <4>[ 55.287318] FS: 00007f70c58f1740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 55.296650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.303360] CR2: 00007f70c58d0000 CR3: 0000000106180005 CR4: 00000000003706e0 <4>[ 55.311624] Call Trace: <4>[ 55.314665] ? __warn+0x80/0x110 03e774d0 R11: 0000000000000202 R12: 00007fc403e3a000 # [ 44.6<4>[ 55.318570] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.330226] ? report_bug+0x9e/0xc0 <4>[ 55.334437] ? handle_bug+0x41/0x90 <4>[ 55.338654] ? exc_invalid_op+0x14/0x70 <4>[ 55.343229] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.348194] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.353663] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.359112] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 55.364852] direct_entry.cold+0x2c/0x38 <4>[ 55.369527] full_proxy_write+0x53/0x80 <4>[ 55.374127] vfs_write+0xe7/0x3b0 92617] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000<4>[ 55.378145] ksys_write+0x68/0xf0 00000000 # [ 44.700882] Modules linked in: fuse ip_tables cro<4>[ 55.388349] do_syscall_64+0x30/0x40 s_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio<4>[ 55.398848] entry_SYSCALL_64_after_hwframe+0x67/0xcc _triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_<4>[ 55.410998] RIP: 0033:0x7f70c59ec240 lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros<4>[ 55.421494] 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 _ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_c<4>[ 55.448982] RSP: 002b:00007ffc46fc0838 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 ore videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compre<4>[ 55.463948] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f70c59ec240 ss iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengin<4>[ 55.478428] RDX: 0000000000000017 RSI: 00007f70c58d0000 RDI: 0000000000000001 e iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify <4>[ 55.492906] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.<4>[ 55.507385] R10: 00007f70c590d4d0 R11: 0000000000000202 R12: 00007f70c58d0000 755107] CR2: 00007fc404042000 # [ 44.759094] ---[ end trace 9<4>[ 55.521866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 60df89270c00949 ]--- # [ 44.764539] RIP: 0010:lkdtm_BUG+0x5/0<4>[ 55.536352] irq event stamp: 0 x10 # [ 44.769205] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff <4>[ 55.546263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f<4>[ 55.559771] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f <4>[ 55.575412] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 1f 44 00 00 83 05 30 cc c9 03 # [ 44.790479] RSP: 0018:ffffb5<4>[ 55.591055] softirqs last disabled at (0): [<0000000000000000>] 0x0 dc013e7e60 EFLAGS: 00010282 # [ 44.796602] RAX: ffffffffb3b80<4>[ 55.604564] ---[ end trace 960df89270c00958 ]--- 220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.804861<6>[ 55.616227] lkdtm: Saturation detected: still saturated ] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 44.813120] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 44.821381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.829641] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 44.837900] FS: 00007fc403e5b740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 # [ 44.847227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.853933] CR2: 00007fc404042000 CR3: 000000010621e006 CR4: 00000000003706f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 45.089839] lkdtm: Performing direct entry ACCESS_NULL # [ 45.098315] lkdtm: attempting bad read at 0000000000000000 # [ 45.110986] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 45.125225] #PF: supervisor read access in kernel mode # [ 45.131253] #PF: error_code(0x0000) - not-present page # [ 45.137282] PGD 0 P4D 0 # [ 45.140397] Oops: 0000 [#13] SMP PTI # [ 45.144668] CPU: 0 PID: 1895 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 45.153607] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.160705] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.166254] Co<6>[ 55.753896] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 55.766173] lkdtm: attempting bad refcount_dec() from saturated <4>[ 55.773089] ------------[ cut here ]------------ <4>[ 55.778542] refcount_t: decrement hit 0; leaking memory. <4>[ 55.784778] WARNING: CPU: 3 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 de: 6a d6 fb ff be 00 10 00 00 48 89 ef e8 c8 34 0e ff e9 69 ff <4>[ 55.794506] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 55.854957] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 55.863931] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.871029] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 55.877158] Code: f0 13 e2 b5 c6 05 3c ba d6 02 01 e8 85 0d c2 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 13 e2 b5 c6 05 23 ba d6 02 01 e8 6b 0d c2 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 55.898434] RSP: 0018:ffffb5dc02ed7e48 EFLAGS: 00010286 <4>[ 55.904585] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 55.912848] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 55.921113] RBP: ffffffffb5ec6c9c R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.929377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.937641] R13: ffffb5dc02ed7f10 R14: ffffb5dc02ed7f10 R15: ffff96c6c7308000 <4>[ 55.945904] FS: 00007f44235b9740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 55.955234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.961942] CR2: 00007f4423598000 CR3: 00000001031dc002 CR4: 00000000003706e0 <4>[ 55.970205] Call Trace: <4>[ 55.973229] ? __warn+0x80/0x110 <4>[ 55.977153] ? refcount_warn_saturate+0xfb/0x110 <4>[ 55.982603] ? report_bug+0x9e/0xc0 <4>[ 55.986814] ? handle_bug+0x41/0x90 ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 7a ec b5 e8 44 d6 fb f<4>[ 55.991024] ? exc_invalid_op+0x14/0x70 <4>[ 56.001807] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.006772] ? refcount_warn_saturate+0xfb/0x110 <4>[ 56.012256] ? refcount_warn_saturate+0xfb/0x110 <4>[ 56.017711] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f f <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 7b ec b5 <4>[ 56.023458] direct_entry.cold+0x2c/0x38 48 01 # [ 45.187527] RSP: 0018:ffffb5dc026cfe58 EFLAGS: 00010<4>[ 56.034346] full_proxy_write+0x53/0x80 246 # [ 45.193652] RAX: 000000000000002e RBX: 000000000000002<4>[ 56.045135] vfs_write+0xe7/0x3b0 <4>[ 56.055359] ksys_write+0x68/0xf0 7 RCX: 0000000000000000 # [ 45.201912] RDX: 0000000000000000 <4>[ 56.059361] do_syscall_64+0x30/0x40 <4>[ 56.069852] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 56.075786] RIP: 0033:0x7f44236b4240 <4>[ 56.080068] 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>[ 56.101347] RSP: 002b:00007ffc4d9fcc88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 56.110095] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f44236b4240 <4>[ 56.118361] RDX: 0000000000000017 RSI: 00007f4423598000 RDI: 0000000000000001 <4>[ 56.126623] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 56.134885] R10: 00007f44235d54d0 R11: 0000000000000202 R12: 00007f4423598000 <4>[ 56.143148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 56.151417] irq event stamp: 0 <4>[ 56.155145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.162440] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.171892] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.181322] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.188614] ---[ end trace 960df89270c00959 ]--- <6>[ 56.194061] lkdtm: Saturation detected: still saturated RSI: ffff96c73ac1bf50 RDI: ffff96c73ac1bf50 # [ 45.210164] RBP: ffffffffb5ec6bd9 R08: 0000000000000000 R09: 0000000000000000 # [ 45.218424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 45.226677] R13: ffffb5dc026cff10 R14: ffffb5dc026cff10 R15: ffff96c6c72e5000 # [ 45.234930] FS: 00007ff99d446740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 # [ 45.244258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.250965] CR2: 0000000000000000 CR3: 0000000105a36002 CR4: 00000000003706f0 # [ 45.259225] Call Trace: # [ 45.262245] ? __die_body.cold+0x1a/0x1f # [ 45.266920] ? no_context+0x177/0x380 # [ 45.271306] ? exc_page_fault+0x53/0x170 # [ 45.275979] ? asm_exc_page_fault+0x1e/0x30 # [ 45.280942] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.285808] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.290670] direct_entry.cold+0x2c/0x38 # [ 45.295331] full_proxy_write+0x53/0x80 # [ 45.299909] vfs_write+0xe7/0x3b0 # [ 45.303903] ksys_write+0x68/0xf0 # [ 45.307893] do_syscall_64+0x30/0x40 # [ 45.312173] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 45.318104] RIP: 0033:0x7ff99d541240 # [ 45.322383] 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 # [ 45.343654] RSP: 002b:00007ffe40acc398 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 45.352400] RAX: ffffffffffffffda RBX: 000000<6>[ 56.344163] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 56.356480] lkdtm: attempting bad refcount_dec() from saturated <4>[ 56.363420] ------------[ cut here ]------------ 000000000c RCX: 00007ff99d541240 # [ 45.360658] RDX: 00000000<4>[ 56.368890] refcount_t: saturated; leaking memory. 0000000c RSI: 00007ff99d425000 RDI: 0000000000000001 # [ 45.3<4>[ 56.380753] WARNING: CPU: 3 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 68919] RBP: 000000000000000c R08: 00000000ffffffff R09: 00000000<4>[ 56.396672] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 56.457109] CPU: 3 PID: 2453 Comm: cat Tainted: G D W 5.10.217-cip47 #1 00000000 # [ 45.377179] R10: 00007ff99d4624d0 R11: 0000000000<4>[ 56.466064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.479372] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 56.485526] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 <4>[ 56.506801] RSP: 0018:ffffb5dc02f77e48 EFLAGS: 00010286 <4>[ 56.512928] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 56.521194] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 56.529457] RBP: ffffffffb5ec6cb3 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.537721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 56.545986] R13: ffffb5dc02f77f10 R14: ffffb5dc02f77f10 R15: ffff96c6c26d0000 <4>[ 56.554249] FS: 00007faa51392740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 56.563579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.570289] CR2: 00007faa51371000 CR3: 0000000106cee002 CR4: 00000000003706e0 <4>[ 56.578551] Call Trace: <4>[ 56.581576] ? __warn+0x80/0x110 000202 R12: 00007ff99d425000 # [ 45.385430] R13: 000000000000<4>[ 56.585495] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.597153] ? report_bug+0x9e/0xc0 <4>[ 56.601341] ? handle_bug+0x41/0x90 <4>[ 56.605527] ? exc_invalid_op+0x14/0x70 <4>[ 56.610100] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.615066] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.620543] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.625991] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 56.631732] direct_entry.cold+0x2c/0x38 <4>[ 56.636405] full_proxy_write+0x53/0x80 <4>[ 56.641003] vfs_write+0xe7/0x3b0 0001 R14: 0000000000020000 R15: 0000000000000000 # [ 45.39369<4>[ 56.645024] ksys_write+0x68/0xf0 5] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_s<4>[ 56.655230] do_syscall_64+0x30/0x40 <4>[ 56.665760] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 56.671716] RIP: 0033:0x7faa5148d240 ensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_<4>[ 56.676007] 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>[ 56.703492] RSP: 002b:00007ffe492755d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 56.712243] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faa5148d240 <4>[ 56.720505] RDX: 0000000000000017 RSI: 00007faa51371000 RDI: 0000000000000001 <4>[ 56.728772] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 56.737034] R10: 00007faa513ae4d0 R11: 0000000000000202 R12: 00007faa51371000 <4>[ 56.745296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 56.753563] irq event stamp: 0 <4>[ 56.757283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.764576] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.774006] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.783433] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.790726] ---[ end trace 960df89270c0095a ]--- <6>[ 56.796174] lkdtm: Saturation detected: still saturated buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.447923] CR2: 0000000000000000 # [ 45.451912] ---[ end trace 960df89270c0094a ]--- # [ 45.457358] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.462026] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 45.483298] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 45.489412] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.497673] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 45.505931] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 45.514192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.522444] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 45.530703] FS: 00007ff99d446740(0000) GS:ffff96c73ac00000(0000) knlGS:0000000000000000 # [ 45.540030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.546736] CR2: 0000000000000000 CR3: 0000000105a36002 CR4: 00000000003706f0 # [ 45.554997] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.565191] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1895, name: cat # [ 45.573935] INFO: lockdep is turned off. # [ 45.578603] irq event stamp: 0 # [ 45.582298] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.589589] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.599014] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.608439] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.615727] CPU: 0 PID: 1895 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 45.624666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.631759] Call Trace: # [ 45.634777] dump_stack+0x77/0x9b # [ 45.638772] ___might_sleep.cold+0xa6/0xb6 # [ 45.643636] exit_signals+0x1c/0x300 # [ 45.647922] do_exit+0xc2/0xab0 # [ 45.651718] ? ksys_write+0x68/0xf0 # [ 45.655901] make_task_dead+0x2f/0x30 # [ 45.660269] rewind_stack_and_make_dead+0x17/0x20 # [ 45.665803] RIP: 0033:0x7ff99d541240 # [ 45.670081] 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 # [ 45.691353] RSP: 002b:00007ffe40acc398 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 45.700098] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ff99d541240 # [ 45.708359] RDX: 000000000000000c RSI: 00007ff99d425000 RDI: 0000000000000001 # [ 45.716620] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 45.724882] R10: 00007ff99d4624d0 R11: 0000000000000202 R12: 00007ff99d425000 # [ 45.733134] 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 # [ 45.871646] lkdtm: Performing direct entry WRITE_RO # [ 45.877717] lkdtm: attempting bad rodata write at ffffffffb5a40830 # [ 45.891148] BUG: unable to handle page fault for address: ffffffffb5a40830 # [ 45.905313] #PF: supervisor write access in kernel mode # [ 45.911440] #PF: error_code(0x0003) - permissions violation # [ 45.924167] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 80000001328000e1 # [ 45.938455] Oops: 0003 [#14] SMP PTI # [ 45.942736] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 45.951676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.958775] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 45.964026] Code: 00 48 c7 c7 c8 79 ec b5 48 c7 c6 30 08 a4 b5 e8 ee d8 fb ff 48 8b 05 82 c0 81 01 ba 34 12 cd ab 48 c7 c7 f8 79 ec b5 48 31 d0 <48> 89 05 6c c0 81 01 e9 cc d8 fb ff 0f 1f 44 00 00 48 8b 05 7b 9b # [ 45.991511] RSP: 0018:ffffb5dc02737e60 EFLAGS: 00010202 # [ 45.997635] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 46.005895] RDX: 00000000abcd1234 RSI: ffff96c73ac9bf50 RDI: ffffffffb5ec79f8 # [ 46.014156] RBP: ffffffffb5ec6be5 R08: 0000000000000000 R09: 0000000000000000 # [ 46.022416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 46.030677] R13: ffffb5dc02737f10 R14: ffffb5dc02737f10 R15: ffff96c6c3157000 # [ 46.038939] FS: 00007ff66b99c740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 46.048259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.054965] CR2: ffffffffb5a40830 CR3: 0000000105b82003 CR4: 00000000003706e0 # [ 46.063224] Call Trace: # [ 46.066245] ? __die_body.cold+0x1a/0x1f # [ 46.077132] ? no_context+0x177/0x380 # [ 46.081513] ? exc_page_fault+0xd7/0x170 # [ 46.092392] ? asm_exc_page_fault+0x1e/0x30 # [ 46.097354] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 46.101927] direct_entry.cold+0x2c/0x38 # [ 46.112809] full_proxy_write+0x53/0x80 # <6>[ 57.343768] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 57.355839] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 57.363627] ------------[ cut here ]------------ <4>[ 57.369084] refcount_t: saturated; leaking memory. <4>[ 57.374758] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 46.117382] vfs_write+0xe7/0x3b0 # [ 46.121371] ksys_wri<4>[ 57.384511] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 57.444960] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 57.453924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 57.461024] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 57.467152] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 <4>[ 57.488430] RSP: 0018:ffffb5dc03007e38 EFLAGS: 00010282 <4>[ 57.494582] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 57.502846] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 <4>[ 57.511110] RBP: ffffffffb5ec68e0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.519399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 57.527662] R13: ffffb5dc03007f10 R14: ffffb5dc03007f10 R15: ffff96c6c318e000 <4>[ 57.535927] FS: 00007fbbcba5c740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 <4>[ 57.545260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.551968] CR2: 00007fbbcba3b000 CR3: 0000000106286001 CR4: 00000000003706e0 <4>[ 57.560233] Call Trace: <4>[ 57.563257] ? __warn+0x80/0x110 <4>[ 57.567183] ? refcount_warn_saturate+0x97/0x110 <4>[ 57.572632] ? report_bug+0x9e/0xc0 <4>[ 57.576846] ? handle_bug+0x41/0x90 te+0x68/0xf0 # [ 46.131571] do_syscall_64+0x30/0x40 # [ 4<4>[ 57.581059] ? exc_invalid_op+0x14/0x70 <4>[ 57.591842] ? asm_exc_invalid_op+0x12/0x20 <4>[ 57.596807] ? refcount_warn_saturate+0x97/0x110 6.135851] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 46.14<4>[ 57.602281] ? refcount_warn_saturate+0x97/0x110 <4>[ 57.613937] __refcount_add_not_zero.constprop.0+0x2a/0x35 1781] RIP: 0033:0x7ff66ba97240 # [ 46.146061] Code: 40 00 48 <4>[ 57.620386] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[ 57.633213] direct_entry.cold+0x2c/0x38 <4>[ 57.644117] full_proxy_write+0x53/0x80 f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 <4>[ 57.648702] vfs_write+0xe7/0x3b0 <4>[ 57.658902] ksys_write+0x68/0xf0 <4>[ 57.662919] do_syscall_64+0x30/0x40 <4>[ 57.667201] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 57.673136] RIP: 0033:0x7fbbcbb57240 <4>[ 57.677420] 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 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ <4>[ 57.698720] RSP: 002b:00007fff038e1548 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 57.713701] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbbcbb57240 46.167334] RSP: 002b:00007ffda1adbd18 EFLAGS: 00000202 ORIG_RAX:<4>[ 57.721975] RDX: 0000000000000020 RSI: 00007fbbcba3b000 RDI: 0000000000000001 <4>[ 57.736449] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 57.744715] R10: 00007fbbcba784d0 R11: 0000000000000202 R12: 00007fbbcba3b000 <4>[ 57.752977] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 57.761243] irq event stamp: 0 <4>[ 57.764971] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.772265] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0000000000000001 # [ 46.176080] RAX: ffffffffffffffda RBX: 0<4>[ 57.781714] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.797356] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.804648] ---[ end trace 960df89270c0095b ]--- <6>[ 57.810094] lkdtm: Saturation detected: still saturated 000000000000009 RCX: 00007ff66ba97240 # [ 46.184341] RDX: 0000000000000009 RSI: 00007ff66b97b000 RDI: 0000000000000001 # [ 46.192599] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 # [ 46.200858] R10: 00007ff66b9b84d0 R11: 0000000000000202 R12: 00007ff66b97b000 # [ 46.209116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 46.217379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.277788] CR2: ffffffffb5a40830 # [ 46.281776] ---[ end trace 960df89270c0094b ]--- # [ 46.287222] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.291889] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 46.313163] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 46.319285] RAX: ffffffffb3b80220 RBX: 0000000000<6>[ 57.947342] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 000001 RCX: 0000000000000000 # [ 46.327545] RDX: 000000000000<6>[ 57.961098] lkdtm: attempting bad refcount_add_not_zero() from saturated 0000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 46.33580<4>[ 57.975094] ------------[ cut here ]------------ 4] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 000000000000<4>[ 57.986749] refcount_t: saturated; leaking memory. 0001 # [ 46.344063] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 57.998641] WARNING: CPU: 1 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ff R12: 0000000000000004 # [ 46.352325] R13: ffffb5dc013e7f10<4>[ 58.014544] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 46.360586] F<4>[ 58.074973] CPU: 1 PID: 2519 Comm: cat Tainted: G D W 5.10.217-cip47 #1 S: 00007ff66b99c740(0000) GS:ffff96c73ac80000(0000) knlGS:00000<4>[ 58.090145] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.103435] RIP: 0010:refcount_warn_saturate+0x97/0x110 00000000000 # [ 46.369913] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 58.109588] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 000000080050033 # [ 46.376618] CR2: ffffffffb5a40830 CR3: 000<4>[ 58.137076] RSP: 0018:ffffb5dc03057e38 EFLAGS: 00010282 <4>[ 58.149418] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 0000105b82003 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace<4>[ 58.157683] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 :': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm:<4>[ 58.172157] RBP: ffffffffb5ec6900 R08: 0000000000000000 R09: 0000000000000000 WRITE_RO_AFTER_INIT.sh # Killed # [ 46.514289] lkdtm: Perfo<4>[ 58.186637] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.201117] R13: ffffb5dc03057f10 R14: ffffb5dc03057f10 R15: ffff96c6c6d5f000 rming direct entry WRITE_RO_AFTER_INIT # [ 46.522229] lkdtm: <4>[ 58.209382] FS: 00007faddfd61740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 <4>[ 58.224927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 attempting bad ro_after_init write at ffffffffb5f4e350 # [ 46<4>[ 58.231662] CR2: 00007faddfd40000 CR3: 00000001070a8004 CR4: 00000000003706e0 .530144] BUG: unable to handle page fault for address: ffffffffb<4>[ 58.246134] Call Trace: 5f4e350 # [ 46.538132] #PF: supervisor write access in kernel<4>[ 58.255375] ? __warn+0x80/0x110 mode # [ 46.544266] #PF: error_code(0x0003) - permissions vi<4>[ 58.265483] ? refcount_warn_saturate+0x97/0x110 olation # [ 46.556992] PGD 132e29067 P4D 132e29067 PUD 132e2a<4>[ 58.277149] ? report_bug+0x9e/0xc0 063 PMD 1059e0063 PTE 8000000132d4e061 # [ 46.572544] Oops: 0<4>[ 58.287553] ? handle_bug+0x41/0x90 003 [#15] SMP PTI # [ 46.576825] CPU: 3 PID: 1967 Comm: cat T<4>[ 58.297952] ? exc_invalid_op+0x14/0x70 ainted: G D W 5.10.217-cip47 #1 # [ 46.585766] H<4>[ 58.308741] ? asm_exc_invalid_op+0x12/0x20 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.5<4>[ 58.319923] ? refcount_warn_saturate+0x97/0x110 92861] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 46.5<4>[ 58.331583] ? refcount_warn_saturate+0x97/0x110 <4>[ 58.343244] __refcount_add_not_zero.constprop.0+0x2a/0x35 99178] Code: 7a ec b5 e9 a0 d8 fb ff 48 c7 c7 50 7a ec b5 e8 94 <4>[ 58.349663] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 d8 fb ff 48 8b 05 48 9b d2 01 ba 34 12 cd ab 48 c7 c7 f8 79 ec b<4>[ 58.362487] direct_entry.cold+0x2c/0x38 5 48 31 d0 <48> 89 05 32 9b d2 01 e9 72 d8 fb ff 0f 1f 44 00 00 <4>[ 58.373376] full_proxy_write+0x53/0x80 41 54 48 c7 c7 # [ 46.620450] RSP: 0018:ffffb5dc027f7e60 EFLA<4>[ 58.384164] vfs_write+0xe7/0x3b0 GS: 00010202 # [ 46.626574] RAX: 00000000fe67479e RBX: 000000<4>[ 58.394370] ksys_write+0x68/0xf0 0000000029 RCX: 0000000000000000 # [ 46.634835] RDX: 00000000<4>[ 58.404576] do_syscall_64+0x30/0x40 <4>[ 58.415072] entry_SYSCALL_64_after_hwframe+0x67/0xcc abcd1234 RSI: ffff96c73ad9bf50 RDI: ffffffffb5ec79f8 # [ 46.6<4>[ 58.421031] RIP: 0033:0x7faddfe5c240 43095] RBP: ffffffffb5ec6bee R08: 0000000000000000 R09: 00000000<4>[ 58.431521] 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>[ 58.459012] RSP: 002b:00007ffe3ad199f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 00000000 # [ 46.651356] R10: 00000000ffffe000 R11: 3fffffffff<4>[ 58.467788] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faddfe5c240 ffffff R12: 0000000000000014 # [ 46.659617] R13: ffffb5dc027f<4>[ 58.482261] RDX: 0000000000000020 RSI: 00007faddfd40000 RDI: 0000000000000001 <4>[ 58.496753] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 7f10 R14: ffffb5dc027f7f10 R15: ffff96c6c5a3b000 # [ 46.66787<4>[ 58.505048] R10: 00007faddfd7d4d0 R11: 0000000000000202 R12: 00007faddfd40000 8] FS: 00007f630ec10740(0000) GS:ffff96c73ad80000(0000) knlGS:0<4>[ 58.519521] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 000000000000000 # [ 46.677207] CS: 0010 DS: 0000 ES: 0000 CR<4>[ 58.534002] irq event stamp: 0 0: 0000000080050033 # [ 46.683913] CR2: ffffffffb5f4e350 CR3:<4>[ 58.543941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.557449] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0000000106296005 CR4: 00000000003706e0 # [ 46.692173] Call T<4>[ 58.566878] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 race: # [ 46.695193] ? __die_body.cold+0x1a/0x1f # [ 46.6<4>[ 58.582517] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.596026] ---[ end trace 960df89270c0095c ]--- 99862] ? no_context+0x177/0x380 # [ 46.704243] ? exc_page_f<6>[ 58.601499] lkdtm: Saturation detected: still saturated ault+0xd7/0x170 # [ 46.708912] ? asm_exc_page_fault+0x1e/0x30 # [ 46.713874] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 46.719513] direct_entry.cold+0x2c/0x38 # [ 46.724184] full_proxy_write+0x53/0x80 # [ 46.728769] vfs_write+0xe7/0x3b0 # [ 46.732763] ksys_write+0x68/0xf0 # [ 46.736766] do_syscall_64+0x30/0x40 # [ 46.741043] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 46.746974] RIP: 0033:0x7f630ed0b240 # [ 46.751245] 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 # [ 46.772509] RSP: 002b:00007ffef5237ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 46.781245] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f630ed0b240 # [ 46.789505] RDX: 0000000000000014 RSI: 00007f630ebef000 RDI: 0000000000000001 # [ 46.797767] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 46.806027] R10: 00007f630ec2c4d0 R11: 0000000000000202 R12: 00007f630ebef000 # [ 46.814287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 46.822551] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_<6>[ 58.763711] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd<6>[ 58.777188] lkdtm: attempting bad refcount_dec_and_test() from saturated _notify cros_kbd_led_backlight chromeos_pstore coreboot_table #<4>[ 58.791183] ------------[ cut here ]------------ [ 46.876793] CR2: ffffffffb5f4e350 # [ 46.886993] ---[ end<4>[ 58.802843] refcount_t: underflow; use-after-free. trace 960df89270c0094c ]--- # [ 46.892439] RIP: 0010:lkdtm_B<4>[ 58.814733] WARNING: CPU: 1 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 UG+0x5/0x10 # [ 46.897105] Code: 89 ff e8 2e ac 79 ff 48 c7 c<4>[ 58.830652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0<4>[ 58.891064] CPU: 1 PID: 2555 Comm: cat Tainted: G D W 5.10.217-cip47 #1 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 0<4>[ 58.906218] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 46.918379] RSP: 001<4>[ 58.919532] RIP: 0010:refcount_warn_saturate+0xba/0x110 8:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 46.924494] RAX: fffff<4>[ 58.931874] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 fffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 4<4>[ 58.959360] RSP: 0018:ffffb5dc0313fe40 EFLAGS: 00010286 6.932772] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: fffff<4>[ 58.971719] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 fffb5a403b0 # [ 46.941032] RBP: ffffffffb5f2d6c0 R08: 0000000<4>[ 58.986194] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 000000001 R09: 0000000000000001 # [ 46.949291] R10: 00000000f<4>[ 59.000672] RBP: ffffffffb5ec6920 R08: 0000000000000000 R09: 0000000000000000 fffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.95<4>[ 59.015151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 7550] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c<4>[ 59.029629] R13: ffffb5dc0313ff10 R14: ffffb5dc0313ff10 R15: ffff96c6c318b000 26d6000 # [ 46.965811] FS: 00007f630ec10740(0000) GS:ffff96c<4>[ 59.044111] FS: 00007ff895596740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 73ad80000(0000) knlGS:0000000000000000 # [ 46.975138] CS: 00<4>[ 59.059662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.981846] CR2<4>[ 59.072585] CR2: 00007ff895575000 CR3: 0000000105a98006 CR4: 00000000003706e0 <4>[ 59.087062] Call Trace: : ffffffffb5f4e350 CR3: 0000000106296005 CR4: 00000000003706e0 <4>[ 59.090087] ? __warn+0x80/0x110 # [ 46.990107] BUG: sleeping function called from invalid cont<4>[ 59.100211] ? refcount_warn_saturate+0xba/0x110 ext at include/linux/percpu-rwsem.h:49 # [ 47.000300] in_atom<4>[ 59.111870] ? report_bug+0x9e/0xc0 ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1967, name: cat <4>[ 59.122248] ? handle_bug+0x41/0x90 # [ 47.009045] INFO: lockdep is turned off. # [ 47.013711]<4>[ 59.132649] ? exc_invalid_op+0x14/0x70 irq event stamp: 0 # [ 47.017406] hardirqs last enabled at <4>[ 59.143437] ? asm_exc_invalid_op+0x12/0x20 (0): [<0000000000000000>] 0x0 # [ 47.024716] hardirqs last di<4>[ 59.154616] ? refcount_warn_saturate+0xba/0x110 sabled at (0): [] copy_process+0x65c/0x20e0 #<4>[ 59.166276] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 47.034143] softirqs last enabled at (0): [[ 59.178911] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 59.191752] direct_entry.cold+0x2c/0x38 c>] copy_process+0x65c/0x20e0 # [ 47.043560] softirqs last di<4>[ 59.196457] full_proxy_write+0x53/0x80 sabled at (0): [<0000000000000000>] 0x0 # [ 47.050851] CPU: 3<4>[ 59.207239] vfs_write+0xe7/0x3b0 PID: 1967 Comm: cat Tainted: G D W 5.10.217-cip47 <4>[ 59.217444] ksys_write+0x68/0xf0 #1 # [ 47.059782] Hardware name: Google Rammus/Rammus, BIOS <4>[ 59.227650] do_syscall_64+0x30/0x40 <4>[ 59.238147] entry_SYSCALL_64_after_hwframe+0x67/0xcc 09/04/2020 # [ 47.066877] Call Trace: # [ 47.069896] dump<4>[ 59.244081] RIP: 0033:0x7ff895691240 <4>[ 59.254570] 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 _stack+0x77/0x9b # [ 47.073885] ___might_sleep.cold+0xa6/0xb<4>[ 59.275843] RSP: 002b:00007ffd5d343788 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 59.290800] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff895691240 6 # [ 47.078764] exit_signals+0x1c/0x300 # [ 47.083043] <4>[ 59.299065] RDX: 0000000000000020 RSI: 00007ff895575000 RDI: 0000000000000001 <4>[ 59.313537] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 do_exit+0xc2/0xab0 # [ 47.086837] ? ksys_write+0x68/0xf0 # <4>[ 59.321803] R10: 00007ff8955b24d0 R11: 0000000000000202 R12: 00007ff895575000 [ 47.091012] make_task_dead+0x2f/0x30 # [ 47.095389] rewi<4>[ 59.336298] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 nd_stack_and_make_dead+0x17/0x20 # [ 47.100932] RIP: 0033:0x7<4>[ 59.350782] irq event stamp: 0 f630ed0b240 # [ 47.105201] Code: 40 00 48 8b 15 c1 9b 0d 00 f<4>[ 59.360692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e<4>[ 59.374200] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0<4>[ 59.389843] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 47.126473] RSP: 002<4>[ 59.405488] softirqs last disabled at (0): [<0000000000000000>] 0x0 b:00007ffef5237ec8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 59.418996] ---[ end trace 960df89270c0095d ]--- # [ 47.135220] RAX: ffffffffffffffda RBX: 0000000000000014 RCX<6>[ 59.430659] lkdtm: Saturation detected: still saturated : 00007f630ed0b240 # [ 47.143481] RDX: 0000000000000014 RSI: 00007f630ebef000 RDI: 0000000000000001 # [ 47.151754] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.160044] R10: 00007f630ec2c4d0 R11: 0000000000000202 R12: 00007f630ebef000 # [ 47.168304] 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 # [ 47.341877] lkdtm: Performing direct entry WRITE_KERN # [ 47.350350] lkdtm: attempting bad 6963512 byte write at ffffffffb4224728 # [ 47.358165] BUG: unable to handle page fault for address: ffffffffb4224728 # [ 47.366160] #PF: supervisor write access in kernel mode # [ 47.378499] #PF: error_code(0x0003) - permissions violation # [ 47.385013] PGD 132e29067 P4D 132e29067 PUD 132e2a063 PMD 1310000e1 # [ 47.392402] Oops: 0003 [#16] SMP PTI # [ 47.396681] CPU: 2 PID: 2003 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 47.405621] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.412719] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 47.418165] Code: 53 48 c7 c3 28 47 22 b4 49 89 dc 48 89 da 49 81 ec f0 05 b8 b3 4c 89 e6 e8 47 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 05 b8 b3 a4 48 c7 c7 f8 79 ec b5 e8 2c d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 47.439429] RSP: 0018:ffffb5dc02857e50 EFLAGS: 00010246 # [ 47.445553] RAX: 000000000000003c RBX: ffffffffb4224728 RCX: 00000000006a4138 # [ 47.453813] RDX: 0000000000000000 RSI: ffffffffb3b805f0 RDI: ffffffffb4224728 # [ 47.462073] RBP: ffffffffb5ec6c02 R08: 0000000000000000 R09: 0000000000000000 # [ 47.470333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006a4138 # [ 47.478593] R13: ffffb5dc02857f10 R14: ffffb5dc02857f10 R15: ffff96c6c318f000 # [ 47.486853] FS: 00007f8ea0a48740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 47.496181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.502889] CR2: ffffffffb4224728 CR3: 00000001062a6002 CR4: 00000000003706e0 # [ 47.511149] Call Trace: # [ 47.514169] ? __die_body.cold+0x1a/0x1f # [ 47.518838] ? no_context+0x177/0x380 # [ 47.523215] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.528952] ? exc_page_fault+0xd7/0x170 # [ 47.533619] ? asm_exc_page_fault+0x1e/0x30 # [ 47.538578] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.544316] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 47.549469] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.555204] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 47.559970] direct_entry.cold+0x2c/0x38 # [ 47.564640] full_proxy_write+0x53/0x80 # [ 47.569211] vfs_write+0xe7/0x3b0 # [ 47.573192] ksys_write+0x68/0xf0 # [ 47.577182] do_syscall_64+0x30/0x40 # [ 47.581461] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 47.587382] RIP: 0033:0x7f8ea0b43240 # [ 47.591661] 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 # [ 47.612926] RSP: 002b:00007ffdb3affcf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 47.621673] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8ea0b43240 # [ 47.629932] RDX: 000000000000000b RSI: 00007f8ea0a27000 RDI: 0000000000000001 # [ 47.638191] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 47.646451] R10: 00007f8ea0a644d0 R11: 0000000000000202 R12: 00007f8ea0a27000 # [ 47.654710] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 47.662974] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.723422] CR2: ffffffffb4224728 # [ 47.727409] ---[ end trace 960df89270c0094d ]--- # [ 47.732854] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.737523] Code: 89 ff e8 2e ac 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 cc c9 03 # [ 47.758788] RSP: 0018:ffffb5dc013e7e60 EFLAGS: 00010282 # [ 47.764903] RAX: ffffffffb3b80220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.773163] RDX: 0000000000000000 RSI: ffff96c73ad1bf50 RDI: ffffffffb5a403b0 # [ 47.781423] RBP: ffffffffb5f2d6c0 R08: 0000000000000001 R09: 0000000000000001 # [ 47.789683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.797966] R13: ffffb5dc013e7f10 R14: ffffb5dc013e7f10 R15: ffff96c6c26d6000 # [ 47.806226] FS: 00007f8ea0a48740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 47.815554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.822272] CR2: <6>[ 59.958200] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ffffffffb4224728 CR3: 00000001062a6002 CR4: 00000000003706e0 # <6>[ 59.971864] lkdtm: attempting bad refcount_sub_and_test() from saturated WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE<4>[ 59.985859] ------------[ cut here ]------------ _KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 48<4>[ 59.997515] refcount_t: underflow; use-after-free. .003007] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW #<4>[ 60.009401] WARNING: CPU: 1 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 48.011616] lkdtm: attempting good refcount_inc() without ov<4>[ 60.025311] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table erflow # [ 48.018824] lkdtm: attempting bad refcount_inc() ov<4>[ 60.085725] CPU: 1 PID: 2591 Comm: cat Tainted: G D W 5.10.217-cip47 #1 erflow # [ 48.025179] ------------[ cut here ]------------ #<4>[ 60.100882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.036831] refcount_t: saturated; leaking memory. # [ 48<4>[ 60.114195] RIP: 0010:refcount_warn_saturate+0xba/0x110 .042506] WARNING: CPU: 3 PID: 2039 at lib/refcount.c:22 refcount<4>[ 60.126538] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 _warn_saturate+0x51/0x110 # [ 48.052231] Modules linked in: f<4>[ 60.154028] RSP: 0018:ffffb5dc031b7e40 EFLAGS: 00010286 use ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_<4>[ 60.166375] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 core industrialio_triggered_buffer kfifo_buf industrialio snd_so<4>[ 60.180851] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 c_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger c<4>[ 60.195330] RBP: ffffffffb5ec6940 R08: 0000000000000000 R09: 0000000000000000 ros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger u<4>[ 60.209808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 vcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf<4>[ 60.224290] R13: ffffb5dc031b7f10 R14: ffffb5dc031b7f10 R15: ffff96c6c708b000 2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev<4>[ 60.238770] FS: 00007f5241594740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid c<4>[ 60.254320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot<4>[ 60.267244] CR2: 00007f5241573000 CR3: 00000001026c6004 CR4: 00000000003706e0 _table # [ 48.112641] CPU: 3 PID: 2039 Comm: cat Tainted: G <4>[ 60.281727] Call Trace: D W 5.10.217-cip47 #1 # [ 48.121614] Hardware nam<4>[ 60.290965] ? __warn+0x80/0x110 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.128722] RIP:<4>[ 60.301095] ? refcount_warn_saturate+0xba/0x110 0010:refcount_warn_saturate+0x51/0x110 # [ 48.141059] Code: <4>[ 60.312742] ? report_bug+0x9e/0xc0 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 7<4>[ 60.323134] ? handle_bug+0x41/0x90 5 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0<4>[ 60.333535] ? exc_invalid_op+0x14/0x70 f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e<4>[ 60.344323] ? asm_exc_invalid_op+0x12/0x20 2 # [ 48.162341] RSP: 0018:ffffb5dc02917e48 EFLAGS: 00010286 <4>[ 60.355503] ? refcount_warn_saturate+0xba/0x110 # [ 48.168501] RAX: 0000000000000000 RBX: 000000000000002b RC<4>[ 60.367164] __refcount_sub_and_test.constprop.0+0x3c/0x50 X: 0000000000000000 # [ 48.176768] RDX: ffff96c73adac620 RSI:<4>[ 60.379795] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 48.185063] RBP: f<4>[ 60.392622] direct_entry.cold+0x2c/0x38 fffffffb5ec6c0d R08: 0000000000000000 R09: 0000000000000000 # [<4>[ 60.403510] full_proxy_write+0x53/0x80 48.193327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<4>[ 60.414297] vfs_write+0xe7/0x3b0 000000000000016 # [ 48.201592] R13: ffffb5dc02917f10 R14: fff<4>[ 60.424503] ksys_write+0x68/0xf0 fb5dc02917f10 R15: ffff96c6c5096000 # [ 48.209858] FS: 00007<4>[ 60.434720] do_syscall_64+0x30/0x40 f83ddab2740(0000) GS:ffff96c73ad80000(0000) knlGS:00000000000000<4>[ 60.445216] entry_SYSCALL_64_after_hwframe+0x67/0xcc 00 # [ 48.219192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[ 60.457365] RIP: 0033:0x7f524168f240 050033 # [ 48.225906] CR2: 00007f83dda91000 CR3: 0000000105b6<4>[ 60.467862] 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 4005 CR4: 00000000003706e0 # [ 48.234203] Call Trace: # [ <4>[ 60.495352] RSP: 002b:00007fffc4330018 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 48.237246] ? __warn+0x80/0x110 # [ 48.241154] ? refcount_wa<4>[ 60.510317] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f524168f240 rn_saturate+0x51/0x110 # [ 48.252812] ? report_bug+0x9e/0xc0<4>[ 60.524799] RDX: 0000000000000020 RSI: 00007f5241573000 RDI: 0000000000000001 # [ 48.257031] ? handle_bug+0x41/0x90 # [ 48.261249] ? <4>[ 60.539280] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 exc_invalid_op+0x14/0x70 # [ 48.265856] ? asm_exc_invalid_op<4>[ 60.553756] R10: 00007f52415b04d0 R11: 0000000000000202 R12: 00007f5241573000 +0x12/0x20 # [ 48.270825] ? refcount_warn_saturate+0x51/0x11<4>[ 60.568237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0 # [ 48.276301] ? refcount_warn_saturate+0x51/0x110 # [ <4>[ 60.582722] irq event stamp: 0 48.287959] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 48.2998<4>[ 60.592635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 14] direct_entry.cold+0x2c/0x38 # [ 48.310723] full_proxy_w<4>[ 60.606145] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 rite+0x53/0x80 # [ 48.321511] vfs_write+0xe7/0x3b0 # [ 48<4>[ 60.621789] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 .325527] ksys_write+0x68/0xf0 # [ 48.329521] do_syscall_64+<4>[ 60.637434] softirqs last disabled at (0): [<0000000000000000>] 0x0 0x30/0x40 # [ 48.333827] entry_SYSCALL_64_after_hwframe+0x67<4>[ 60.650943] ---[ end trace 960df89270c0095e ]--- /0xcc # [ 48.339761] RIP: 0033:0x7f83ddbad240 # [ 48.34404<6>[ 60.662609] lkdtm: Saturation detected: still saturated 5] 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 # [ 48.365345] RSP: 002b:00007ffe856c4498 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 48.374100] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f83ddbad240 # [ 48.388568] RDX: 0000000000000016 RSI: 00007f83dda91000 RDI: 0000000000000001 # [ 48.396832] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 48.405094] R10: 00007f83ddace4d0 R11: 0000000000000202 R12: 00007f83dda91000 # [ 48.413357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 48.421624] irq event stamp: 0 # [ 48.425354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.432648] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.442077] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.451504] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.458796] ---[ end trace 960df89270c0094e ]--- # [ 48.464242] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 48.610056] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 48.619985] lkdtm: attempting good refcount_add() without overflow # [ 48.633379] lkdtm: attempting bad refcount_add() overflow # [ 48.645913] ------------[ cut here ]------------ # [ 48.657578] refcount_t: saturated; leaking memory. # [ 48.669464] WARNING: CPU: 1 PID: 2072 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 48.685371] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_ch<6>[ 60.865215] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO arger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_l<6>[ 60.874774] lkdtm: attempting good copy_to_user of correct size ogger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops v<6>[ 60.887922] lkdtm: attempting bad copy_to_user of too large size ideobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.745803] CPU: 1 PID: 2072 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 48.760956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.774266] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.786610] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 # [ 48.814103] RSP: 0018:ffffb5dc0298fe48 EFLAGS: 00010286 # [ 48.826446] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 48.840927] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 48.855408] RBP: ffffffffb5ec6c23 R08: 0000000000000000 R09: 0000000000000000 # [ 48.869889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.884369] R13: ffffb5dc0298ff10 R14: ffffb5dc0298ff10 R15: ffff96c6c317e000 # [ 48.898851] FS: 00007f368afbf740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 48.914401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.927330] CR2: 00007f368af9e000 CR3: 0000000102c8c006 CR4: 00000000003706e0 # [ 48.941808] Call Trace: # [ 48.951050] ? __warn+0x80/0x110 # [ 48.961157] ? refcount_warn_saturate+0x51/0x110 # [ 48.972823] ? report_bug+0x9e/0xc0 # [ 48.983226] ? handle_bug+0x41/0x90 # [ 48.9936<6>[ 61.051927] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 61.063667] lkdtm: attempting good copy_from_user of correct size <6>[ 61.070781] lkdtm: attempting bad copy_from_user of too large size 28] ? exc_invalid_op+0x14/0x70 # [ 49.004419] ? asm_exc_invalid_op+0x12/0x20 # [ 49.015600] ? refcount_warn_saturate+0x51/0x110 # [ 49.027263] ? refcount_warn_saturate+0x51/0x110 # [ 49.038925] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 49.050786] direct_entry.cold+0x2c/0x38 # [ 49.061675] full_proxy_write+0x53/0x80 # [ 49.072462] vfs_write+0xe7/0x3b0 # [ 49.082671] ksys_write+0x68/0xf0 # [ 49.092878] do_syscall_64+0x30/0x40 # [ 49.103375] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 49.115525] RIP: 0033:0x7f368b0ba240 # [ 49.126024] 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 # [ 49.147303] RSP: 002b:00007ffc05090748 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.162263] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f368b0ba240 # [ 49.170528] RDX: 0000000000000016 RSI: 00007f368af9e000 RDI: 0000000000000001 # [ 49.185001] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 49.193266] R10: 00007f368afdb4d0 R11: 0000000000000202 R12: 00007f368af9e000 # [ 49.207739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 49.222241] irq event stamp: 0 # [ 49.232132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.239427] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.255065] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.264495] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.277997] ---[ end trace 960df89270c0094f ]--- # [ 49.283446] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: RE<6>[ 61.257835] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO FCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZER<6>[ 61.265784] lkdtm: attempting good copy_to_user inside whitelist <6>[ 61.278998] lkdtm: attempting bad copy_to_user outside whitelist O_OVERFLOW.sh # [ 49.423749] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 49.433409] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 49.446824] ------------[ cut here ]------------ # [ 49.458483] refcount_t: saturated; leaking memory. # [ 49.464158] WARNING: CPU: 1 PID: 2105 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.480063] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.540482] CPU: 1 PID: 2105 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 49.555637] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.568950] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.581291] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba<6>[ 61.416436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM d6 02 00 75 85 48 c7 c7 98 13 e2 # [ 49.608783] RSP: 0018:ff<6>[ 61.424275] lkdtm: attempting good copy_from_user inside whitelist ffb5dc02a0fe38 EFLAGS: 00010282 # [ 49.621127] RAX: 000000000<6>[ 61.437710] lkdtm: attempting bad copy_from_user outside whitelist 0000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.635606] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 49.650085] RBP: ffffffffb5ec6860 R08: 0000000000000000 R09: 0000000000000000 # [ 49.664566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.679044] R13: ffffb5dc02a0ff10 R14: ffffb5dc02a0ff10 R15: ffff96c6c2cad000 # [ 49.693525] FS: 00007fda6e2fe740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 49.709074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.721999] CR2: 00007fda6e2dd000 CR3: 0000000106e30001 CR4: 00000000003706e0 # [ 49.736479] Call Trace: # [ 49.745722] ? __warn+0x80/0x110 # [ 49.755828] ? refcount_warn_saturate+0x97/0x110 # [ 49.767489] ? report_bug+0x9e/0xc0 # [ 49.777890] ? handle_bug+0x41/0x90 # [ 49.788288] ? exc_invalid_op+0x14/0x70 # [ 49.799077] ? asm_exc_invalid_op+0x12/0x20 # [ 49.810258] ? refcount_warn_saturate+0x97/0x110 # [ 49.821922] ? refcount_warn_saturate+0x97/0x110 # [ 49.833585] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.846222] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.858953] direct_entry.cold+0x2c/0x38 # [ 49.869842] full_proxy_write+0x53/0x80 # [ 49.880631] vfs_write+0xe7/0x3b0 # [ 49.890838] ksys_write+0x68/0xf0 # [ 49.901046] do_syscall_64+0x30/0x40 # [ 49.911543] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 49.911546] RIP: 0033:0x7fda6e3f9240 # [ 49.911550] Code: 40 00 48 8b 1<6>[ 61.595969] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 5 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00<6>[ 61.607614] lkdtm: good_stack: ffffb5dc035d7e20-ffffb5dc035d7e40 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f<6>[ 61.620818] lkdtm: bad_stack : ffffb5dc035d7da8-ffffb5dc035d7dc8 f ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 49.9<6>[ 61.634073] lkdtm: attempting good copy_to_user of local stack 55465] RSP: 002b:00007fff36ea3cf8 EFLAGS: 00000202 ORIG_RAX: 000<6>[ 61.647049] lkdtm: attempting bad copy_to_user of distant stack 0000000000001 # [ 49.970428] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fda6e3f9240 # [ 49.984905] RDX: 000000000000001f RSI: 00007fda6e2dd000 RDI: 0000000000000001 # [ 49.999385] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 50.013866] R10: 00007fda6e31a4d0 R11: 0000000000000202 R12: 00007fda6e2dd000 # [ 50.028345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.042830] irq event stamp: 0 # [ 50.052742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.066249] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.081895] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.097539] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.111049] ---[ end trace 960df89270c00950 ]--- # [ 50.122711] 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 # [ 50.259795] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 50.272771] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 50.286180] ------------[ cut here ]------------ # [ 50.297842] refcount_t: saturated; leak<6>[ 61.786706] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM ing memory. # [ 50.309733] WARNING: CPU: 1 PID: 2138 at lib/r<6>[ 61.798363] lkdtm: good_stack: ffffb5dc0367fe20-ffffb5dc0367fe40 efcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.325653]<6>[ 61.811574] lkdtm: bad_stack : ffffb5dc0367fda8-ffffb5dc0367fdc8 Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sen<6>[ 61.824828] lkdtm: attempting good copy_from_user of local stack sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu<6>[ 61.838026] lkdtm: attempting bad copy_from_user of distant stack f industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.386069] CPU: 1 PID: 2138 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 50.401227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.414540] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 50.426881] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 # [ 50.454372] RSP: 0018:ffffb5dc02aa7e38 EFLAGS: 00010282 # [ 50.466719] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 50.481194] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 50.495673] RBP: ffffffffb5ec6880 R08: 0000000000000000 R09: 0000000000000000 # [ 50.510153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.524635] R13: ffffb5dc02aa7f10 R14: ffffb5dc02aa7f10 R15: ffff96c6c31db000 # [ 50.539115] FS: 00007f54c8a22740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 50.554659] CS: 0010 DS: 0000 ES:<6>[ 61.992919] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 0000 CR0: 0000000080050033 # [ 50.567588] CR2: 00007f54c8a01<6>[ 62.001283] lkdtm: good_stack: ffffb5dc036d7e20-ffffb5dc036d7e40 000 CR3: 00000001036ba002 CR4: 00000000003706e0 # [ 50.582064<6>[ 62.014495] lkdtm: bad_stack : ffffb5dc036d7ff8-ffffb5dc036d8018 ] Call Trace: # [ 50.591323] ? __warn+0x80/0x110 # [ 50.6<6>[ 62.027749] lkdtm: attempting good copy_to_user of local stack 01412] ? refcount_warn_saturate+0x97/0x110 # [ 50.613102] ?<6>[ 62.040790] lkdtm: attempting bad copy_to_user of distant stack report_bug+0x9e/0xc0 # [ 50.623499] ? handle_bug+0x41/0x90 <4>[ 62.053906] lkdtm: copy_to_user failed, but lacked Oops # [ 50.633875] ? exc_invalid_op+0x14/0x70 # [ 50.638451] ? asm_exc_invalid_op+0x12/0x20 # [ 50.649626] ? refcount_warn_saturate+0x97/0x110 # [ 50.661288] ? refcount_warn_saturate+0x97/0x110 # [ 50.672949] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 50.679369] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 50.692092] direct_entry.cold+0x2c/0x38 # [ 50.696779] full_proxy_write+0x53/0x80 # [ 50.707563] vfs_write+0xe7/0x3b0 # [ 50.717770] ksys_write+0x68/0xf0 # [ 50.727978] do_syscall_64+0x30/0x40 # [ 50.738475] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 50.744408] RIP: 0033:0x7f54c8b1d240 # [ 50.754901] 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 # [ 50.776179] RSP: 002b:00007ffd2b4a5638 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 50.791138] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f54c8b1d240 # [ 50.799402] RDX: 000000000000001f RSI: 00007f54c8a01000 RDI: 0000000000000001 # [ 50.813877] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 50.822142] R10: 00007f54c8a3e4d0 R11: 0000000000000202 R12: 00007f54c8a01000 # [ 50.836614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.844884] irq eve<6>[ 62.200802] lkdtm: Performing direct entry USERCOPY_KERNEL nt stamp: 0 # [ 50.854791] hardirqs last enabled at (0): [<0<6>[ 62.209456] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb5a40850 000000000000000>] 0x0 # [ 50.868303] hardirqs last disabled a<6>[ 62.224626] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb32e41c0 t (0): [] copy_process+0x65c/0x20e0 # [ 50.<3>[ 62.239513] lkdtm: FAIL: survived bad copy_to_user() 883947] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.899591] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.913098] ---[ end trace 960df89270c00951 ]--- # [ 50.924761] 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 # [ 51.052256] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 51.061030] lkdtm: attempting good refcount_dec() # [ 51.066583] lkdtm: attempting bad refcount_dec() to zero # [ 51.072808] ------------[ cut here ]------------ # [ 51.078256] refcount_t: decrement hit 0; leaking memory. # [ 51.084511] WARNING: CPU: 2 PID: 2171 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.094238] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.154643] CPU<6>[ 62.383126] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 62.394878] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 62.403083] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) : 2 PID: 2171 Comm: cat Tainted: G D W 5.10.217-cip<3>[ 62.411167] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 62.424387] CPU: 3 PID: 2967 Comm: cat Tainted: G D W 5.10.217-cip47 #1 <4>[ 62.433332] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 62.440428] Call Trace: <4>[ 62.443451] dump_stack+0x77/0x9b <4>[ 62.447471] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 62.452917] direct_entry.cold+0x2c/0x38 <4>[ 62.457587] full_proxy_write+0x53/0x80 <4>[ 62.462159] vfs_write+0xe7/0x3b0 <4>[ 62.466147] ksys_write+0x68/0xf0 <4>[ 62.470138] do_syscall_64+0x30/0x40 <4>[ 62.474417] entry_SYSCALL_64_after_hwframe+0x67/0xcc <4>[ 62.480339] RIP: 0033:0x7f6fc6df7240 <4>[ 62.484609] 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>[ 62.505872] RSP: 002b:00007ffeef22f9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 62.514620] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6fc6df7240 <4>[ 62.522879] RDX: 0000000000000012 RSI: 00007f6fc6cdb000 RDI: 0000000000000001 <4>[ 62.531139] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 62.539398] R10: 00007f6fc6d184d0 R11: 0000000000000202 R12: 00007f6fc6cdb000 <4>[ 62.547659] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 47 #1 # [ 51.163590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.176905] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.183061] Code: f0 13 e2 b5 c6 05 3c ba d6 02 01 e8 85 0d c2 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 13 e2 b5 c6 05 23 ba d6 02 01 e8 6b 0d c2 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.210547] RSP: 0018:ffffb5dc02a3fe48 EFLAGS: 00010286 # [ 51.216702] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 51.224980] RDX: ffff96c73ad2c620 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 # [ 51.239450] RBP: ffffffffb5ec6c39 R08: 0000000000000000 R09: 0000000000000000 # [ 51.247716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.255982] R13: ffffb5dc02a3ff10 R14: ffffb5dc02a3ff10 R15: ffff96c6c2c96000 # [ 51.264246] FS: 00007f3aca3ae740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 51.273577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.280287] CR2: 00007f3aca38d000 CR3: 0000000106238005 CR4: 00000000003706e0 # [ 51.288551] Call Trace: # [ 51.291575] ? __warn+0x80/0x110 # [ 51.295495] ? refcount_warn_saturate+0xfb/0x110 # [ 51.307152] ? report_bug+0x9e/0xc0 # [ 51.311339] ? handle_bug+0x41/0x90 # [ 51.315550] ? exc_invalid_op+0x14/0x70 # [ 51.320123] ? asm_exc_invalid_op+0x12/0x20 # [ 51.325091] ? refcount_warn_saturate+0xfb/0x110 # [ 51.330565] ? refcount_warn_saturate+0xfb/0x110 # [ 51.342221] lkdtm_REFCOUNT_D<6>[ 62.704394] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 62.711920] lkdtm: Calling matched prototype ... EC_ZERO+0x4d/0xbd # [ 51.347476] direct_entry.cold+0x2c/0x38<6>[ 62.717397] lkdtm: Calling mismatched prototype ... # [ 51.352148] full_proxy_write+0x53/0x80 # [ 51.356764]<6>[ 62.729343] lkdtm: Fail: survived mismatched prototype function call! vfs_write+0xe7/0x3b0 # [ 51.360779] ksys_write+0x68/0xf0 # [ 51.364773] do_syscall_64+0x30/0x40 # [ 51.369055] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 51.374990] RIP: 0033:0x7f3aca4a9240 # [ 51.379272] 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 # [ 51.400548] RSP: 002b:00007fff7204dee8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.409299] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3aca4a9240 # [ 51.417562] RDX: 0000000000000012 RSI: 00007f3aca38d000 RDI: 0000000000000001 # [ 51.425825] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.434091] R10: 00007f3aca3ca4d0 R11: 0000000000000202 R12: 00007f3aca38d000 # [ 51.448570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 51.456841] irq event stamp: 0 # [ 51.466761] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.474056] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.483487] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.492916] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.500210] ---[ end trace 960df89270c00952 ]--- # [ 51.505656] 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 # [ 51.637176] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 51.648250] lkdtm: attempting bad refcount_dec() below zero # [ 51.654801] ------------[ cut here ]------------ # [ 51.660274] refcount_t: decrement hit 0; leaking memory. # [ 51.666537] WARNING: CPU: 3 PID: 2207 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.676272] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.730516] CPU: 3 PID: 2207 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 51.745670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.758987] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.765146] Code: f0 13 e2 b5 c6 05 3c ba d6 02 01 e8 85 0d c2 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 13 e2 b5 c6 05 23 ba d6 02 01 e8 6b 0d c2 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.786447] RSP: 0018:ffffb5dc02bb7e48 EFLAGS: 00010286 # [ 51.792621] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 51.800901] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 51.815367] RBP: ffffffffb5ec6c4b R08: 0000000000000000 R09: 0000000000000000 # [ 51.823630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 51.831893] R13: ffffb5dc02bb7f10 R14: ffffb5dc02bb7f10 R15: ffff96c6c29b4000 # [ 51.840157] FS: 00007faf1b945740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 51.849491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.856200] CR2: 00007faf1b924000 CR3: 00000001050b6006 CR4: 00000000003706e0 # [ 51.864466] Call Trace: # [ 51.867508] ? __warn+0x80/0x110 # [ 51.871414] ? refcount_warn_saturate+0xfb/0x110 # [ 51.883071] ? report_bug+0x9e/0xc0 # [ 51.887259] ? handle_bug+0x41/0x90 # [ 51.891467] ? exc_invalid_op+0x14/0x70 # [ 51.896041] ? asm_exc_invalid_op+0x12/0x20 # [ 51.901006] ? refcount_warn_saturate+0xfb/0x110 # [ 51.906484] ? refcount_warn_saturate+0xfb/0x110 # [ 51.911958] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 51.917602] direct_entry.cold+0x2c/0x38 # [ 51.922277] full_proxy_write+0x53/0x80 # [ 51.926884] vfs_write+0xe7/0x3b0 # [ 51.930907] ksys_write+0x68/0xf0 # [ 51.934924] do_syscall_64+0x30/0x40 # [ 51.939208] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 51.945143] RIP: 0033:0x7faf1ba40240 # [ 51.949426] 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 # [ 51.970714] RSP: 002b:00007ffccdf98448 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.985679] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007faf1ba40240 # [ 51.993943] RDX: 0000000000000016 RSI: 00007faf1b924000 RDI: 0000000000000001 # [ 52.002207] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 52.010474] R10: 00007faf1b9614d0 R11: 0000000000000202 R12: 00007faf1b924000 # [ 52.024954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.039455] irq event stamp: 0 # [ 52.043166] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.056668] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.066097] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.075526] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.082818] ---[ end trace 960df89270c00953 ]--- # [ 52.088264] 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 # [ 52.230301] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 52.238278] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 52.245702] ------------[ cut here ]------------ # [ 52.251180] refcount_t: underflow; use-after-free. # [ 52.256878] WARNING: CPU: 3 PID: 2243 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.266614] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.327069] CPU: 3 PID: 2243 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 52.336037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.349356] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.355513] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 # [ 52.376788] RSP: 0018:ffffb5dc02c47e40 EFLAGS: 00010286 # [ 52.382915] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 52.391202] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 52.399479] RBP: ffffffffb5ec68a0 R08: 0000000000000000 R09: 0000000000000000 # [ 52.413948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.422212] R13: ffffb5dc02c47f10 R14: ffffb5dc02c47f10 R15: ffff96c6c6220000 # [ 52.430476] FS: 00007fc8ee6bf740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 52.439806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.446515] CR2: 00007fc8ee69e000 CR3: 0000000105b56005 CR4: 00000000003706e0 # [ 52.454779] Call Trace: # [ 52.457821] ? __warn+0x80/0x110 # [ 52.461725] ? refcount_warn_saturate+0xba/0x110 # [ 52.473381] ? report_bug+0x9e/0xc0 # [ 52.477567] ? handle_bug+0x41/0x90 # [ 52.481776] ? exc_invalid_op+0x14/0x70 # [ 52.486350] ? asm_exc_invalid_op+0x12/0x20 # [ 52.491315] ? refcount_warn_saturate+0xba/0x110 # [ 52.496775] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.503194] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 52.509714] direct_entry.cold+0x2c/0x38 # [ 52.520604] full_proxy_write+0x53/0x80 # [ 52.525201] vfs_write+0xe7/0x3b0 # [ 52.529193] ksys_write+0x68/0xf0 # [ 52.533184] do_syscall_64+0x30/0x40 # [ 52.537467] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 52.543402] RIP: 0033:0x7fc8ee7ba240 # [ 52.547701] 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 # [ 52.568987] RSP: 002b:00007ffece552868 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 52.583946] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc8ee7ba240 # [ 52.592209] RDX: 000000000000001f RSI: 00007fc8ee69e000 RDI: 0000000000000001 # [ 52.600473] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 52.608737] R10: 00007fc8ee6db4d0 R11: 0000000000000202 R12: 00007fc8ee69e000 # [ 52.623216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 52.631485] irq event stamp: 0 # [ 52.641392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.648703] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.658142] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.673781] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.681072] ---[ end trace 960df89270c00954 ]--- # [ 52.686519] 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 # [ 52.823543] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 52.836508] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 52.850131] ------------[ cut here ]------------ # [ 52.861776] refcount_t: underflow; use-after-free. # [ 52.867443] WARNING: CPU: 1 PID: 2279 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.883341] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.943767] CPU: 1 PID: 2279 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 52.958925] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.972241] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.984581] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 # [ 53.012099] RSP: 0018:ffffb5dc02cdfe40 EFLAGS: 00010286 # [ 53.024417] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 53.038894] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 53.053372] RBP: ffffffffb5ec68c0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.067851] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 53.082331] R13: ffffb5dc02cdff10 R14: ffffb5dc02cdff10 R15: ffff96c6c2ace000 # [ 53.096810] FS: 00007f96d5d96740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 53.112359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.125285] CR2: 00007f96d5d75000 CR3: 0000000105a4c006 CR4: 00000000003706e0 # [ 53.139766] Call Trace: # [ 53.149006] ? __warn+0x80/0x110 # [ 53.159114] ? refcount_warn_saturate+0xba/0x110 # [ 53.170779] ? report_bug+0x9e/0xc0 # [ 53.181182] ? handle_bug+0x41/0x90 # [ 53.191582] ? exc_invalid_op+0x14/0x70 # [ 53.202374] ? asm_exc_invalid_op+0x12/0x20 # [ 53.213558] ? refcount_warn_saturate+0xba/0x110 # [ 53.225223] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.237858] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 53.250587] direct_entry.cold+0x2c/0x38 # [ 53.261476] full_proxy_write+0x53/0x80 # [ 53.272265] vfs_write+0xe7/0x3b0 # [ 53.282470] ksys_write+0x68/0xf0 # [ 53.292681] do_syscall_64+0x30/0x40 # [ 53.303176] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 53.315326] RIP: 0033:0x7f96d5e91240 # [ 53.325824] 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 # [ 53.353313] RSP: 002b:00007ffda32f0f28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 53.368278] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f96d5e91240 # [ 53.382757] RDX: 000000000000001f RSI: 00007f96d5d75000 RDI: 0000000000000001 # [ 53.397237] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 53.411717] R10: 00007f96d5db24d0 R11: 0000000000000202 R12: 00007f96d5d75000 # [ 53.426197] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 53.440686] irq event stamp: 0 # [ 53.450599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.464107] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.479754] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.495399] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.508907] ---[ end trace 960df89270c00955 ]--- # [ 53.520573] 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 # [ 53.653749] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 53.663078] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 53.676687] lkdtm: Good: zero detected # [ 53.687378] lkdtm: Correctly stayed at zero # [ 53.698554] lkdtm: attempting bad refcount_inc() from zero # [ 53.711190] ------------[ cut here ]------------ # [ 53.722851] refcount_t: addition on 0; use-after-free. # [ 53.728914] WARNING: CPU: 1 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.744815] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.805232] CPU: 1 PID: 2312 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 53.820392] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.833717] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.846058] Code: 02 01 e8 15 0e c2 00 0f 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 b5 c6 05 ac ba d6 02 01 e8 f2 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 # [ 53.873573] RSP: 0018:ffffb5dc02d77e48 EFLAGS: 00010286 # [ 53.885896] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 53.900372] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 53.908637] RBP: ffffffffb5ec6c61 R08: 0000000000000000 R09: 0000000000000000 # [ 53.923111] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.931376] R13: ffffb5dc02d77f10 R14: ffffb5dc02d77f10 R15: ffff96c6c3186000 # [ 53.945851] FS: 00007ff28dbd5740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 53.955183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.968105] CR2: 00007ff28dbb4000 CR3: 0000000106180006 CR4: 00000000003706e0 # [ 53.976370] Call Trace: # [ 53.985605] ? __warn+0x80/0x110 # [ 53.995716] ? refcount_warn_saturate+0x74/0x110 # [ 54.007379] ? report_bug+0x9e/0xc0 # [ 54.017781] ? handle_bug+0x41/0x90 # [ 54.028179] ? exc_invalid_op+0x14/0x70 # [ 54.038969] ? asm_exc_invalid_op+0x12/0x20 # [ 54.050150] ? refcount_warn_saturate+0x74/0x110 # [ 54.061812] ? refcount_warn_saturate+0x74/0x110 # [ 54.073475] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 54.084946] direct_entry.cold+0x2c/0x38 # [ 54.095851] full_proxy_write+0x53/0x80 # [ 54.106621] vfs_write+0xe7/0x3b0 # [ 54.116825] ksys_write+0x68/0xf0 # [ 54.127033] do_syscall_64+0x30/0x40 # [ 54.137528] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 54.149679] RIP: 0033:0x7ff28dcd0240 # [ 54.160176] 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 # [ 54.187668] RSP: 002b:00007ffe0618cbd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.202632] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff28dcd0240 # [ 54.210897] RDX: 0000000000000012 RSI: 00007ff28dbb4000 RDI: 0000000000000001 # [ 54.225370] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 54.233634] R10: 00007ff28dbf14d0 R11: 0000000000000202 R12: 00007ff28dbb4000 # [ 54.248107] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 54.256376] irq event stamp: 0 # [ 54.266283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.273580] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.289219] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.298651] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.312154] ---[ end trace 960df89270c00956 ]--- # [ 54.317603] 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 # [ 54.486719] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 54.497078] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 54.504476] lkdtm: Good: zero detected # [ 54.508963] lkdtm: Correctly stayed at zero # [ 54.513931] lkdtm: attempting bad refcount_add() from zero # [ 54.520351] ------------[ cut here ]------------ # [ 54.525797] refcount_t: addition on 0; use-after-free. # [ 54.531858] WARNING: CPU: 2 PID: 2345 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 54.541584] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.601991] CPU: 2 PID: 2345 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 54.610958] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.618058] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.624185] Code: 02 01 e8 15 0e c2 00 0f 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 b5 c6 05 ac ba d6 02 01 e8 f2 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 # [ 54.645463] RSP: 0018:ffffb5dc02c97e48 EFLAGS: 00010286 # [ 54.651615] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.659877] RDX: ffff96c73ad2c620 RSI: ffff96c73ad1bf50 RDI: ffff96c73ad1bf50 # [ 54.668140] RBP: ffffffffb5ec6c73 R08: 0000000000000000 R09: 0000000000000000 # [ 54.676403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.684667] R13: ffffb5dc02c97f10 R14: ffffb5dc02c97f10 R15: ffff96c6c31df000 # [ 54.692930] FS: 00007f324e9e7740(0000) GS:ffff96c73ad00000(0000) knlGS:0000000000000000 # [ 54.702261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.708971] CR2: 00007f324e9c6000 CR3: 000000010629e001 CR4: 00000000003706e0 # [ 54.717234] Call Trace: # [ 54.720274] ? __warn+0x80/0x110 # [ 54.724180] ? refcount_warn_saturate+0x74/0x110 # [ 54.735837] ? report_bug+0x9e/0xc0 # [ 54.740026] ? handle_bug+0x41/0x90 # [ 54.744241] ? exc_invalid_op+0x14/0x70 # [ 54.748815] ? asm_exc_invalid_op+0x12/0x20 # [ 54.753779] ? refcount_warn_saturate+0x74/0x110 # [ 54.759249] ? refcount_warn_saturate+0x74/0x110 # [ 54.764699] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 54.776169] direct_entry.cold+0x2c/0x38 # [ 54.787079] full_proxy_write+0x53/0x80 # [ 54.791667] vfs_write+0xe7/0x3b0 # [ 54.801868] ksys_write+0x68/0xf0 # [ 54.805892] do_syscall_64+0x30/0x40 # [ 54.810199] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 54.816163] RIP: 0033:0x7f324eae2240 # [ 54.820448] 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 # [ 54.841735] RSP: 002b:00007ffe2bb89798 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 54.856722] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f324eae2240 # [ 54.871193] RDX: 0000000000000012 RSI: 00007f324e9c6000 RDI: 0000000000000001 # [ 54.879459] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 54.887723] R10: 00007f324ea034d0 R11: 0000000000000202 R12: 00007f324e9c6000 # [ 54.895990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 54.904258] irq event stamp: 0 # [ 54.907986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.921487] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.930919] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.940350] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.947644] ---[ end trace 960df89270c00957 ]--- # [ 54.953091] 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 # [ 55.080967] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 55.089490] lkdtm: attempting bad refcount_inc() from saturated # [ 55.096412] ------------[ cut here ]------------ # [ 55.101868] refcount_t: saturated; leaking memory. # [ 55.113735] WARNING: CPU: 3 PID: 2381 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.129659] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.190136] CPU: 3 PID: 2381 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 55.199092] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.212396] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.218548] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 # [ 55.239824] RSP: 0018:ffffb5dc02e77e48 EFLAGS: 00010286 # [ 55.245951] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 55.254215] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 55.262479] RBP: ffffffffb5ec6c85 R08: 0000000000000000 R09: 0000000000000000 # [ 55.270757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.279054] R13: ffffb5dc02e77f10 R14: ffffb5dc02e77f10 R15: ffff96c6c3146000 # [ 55.287318] FS: 00007f70c58f1740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 55.296650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.303360] CR2: 00007f70c58d0000 CR3: 0000000106180005 CR4: 00000000003706e0 # [ 55.311624] Call Trace: # [ 55.314665] ? __warn+0x80/0x110 # [ 55.318570] ? refcount_warn_saturate+0x51/0x110 # [ 55.330226] ? report_bug+0x9e/0xc0 # [ 55.334437] ? handle_bug+0x41/0x90 # [ 55.338654] ? exc_invalid_op+0x14/0x70 # [ 55.343229] ? asm_exc_invalid_op+0x12/0x20 # [ 55.348194] ? refcount_warn_saturate+0x51/0x110 # [ 55.353663] ? refcount_warn_saturate+0x51/0x110 # [ 55.359112] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 55.364852] direct_entry.cold+0x2c/0x38 # [ 55.369527] full_proxy_write+0x53/0x80 # [ 55.374127] vfs_write+0xe7/0x3b0 # [ 55.378145] ksys_write+0x68/0xf0 # [ 55.388349] do_syscall_64+0x30/0x40 # [ 55.398848] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 55.410998] RIP: 0033:0x7f70c59ec240 # [ 55.421494] 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 # [ 55.448982] RSP: 002b:00007ffc46fc0838 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 55.463948] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f70c59ec240 # [ 55.478428] RDX: 0000000000000017 RSI: 00007f70c58d0000 RDI: 0000000000000001 # [ 55.492906] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 55.507385] R10: 00007f70c590d4d0 R11: 0000000000000202 R12: 00007f70c58d0000 # [ 55.521866] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 55.536352] irq event stamp: 0 # [ 55.546263] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.559771] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.575412] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.591055] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.604564] ---[ end trace 960df89270c00958 ]--- # [ 55.616227] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 55.753896] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 55.766173] lkdtm: attempting bad refcount_dec() from saturated # [ 55.773089] ------------[ cut here ]------------ # [ 55.778542] refcount_t: decrement hit 0; leaking memory. # [ 55.784778] WARNING: CPU: 3 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 55.794506] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.854957] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 55.863931] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.871029] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 55.877158] Code: f0 13 e2 b5 c6 05 3c ba d6 02 01 e8 85 0d c2 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 13 e2 b5 c6 05 23 ba d6 02 01 e8 6b 0d c2 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 55.898434] RSP: 0018:ffffb5dc02ed7e48 EFLAGS: 00010286 # [ 55.904585] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 55.912848] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 55.921113] RBP: ffffffffb5ec6c9c R08: 0000000000000000 R09: 0000000000000000 # [ 55.929377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.937641] R13: ffffb5dc02ed7f10 R14: ffffb5dc02ed7f10 R15: ffff96c6c7308000 # [ 55.945904] FS: 00007f44235b9740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 55.955234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.961942] CR2: 00007f4423598000 CR3: 00000001031dc002 CR4: 00000000003706e0 # [ 55.970205] Call Trace: # [ 55.973229] ? __warn+0x80/0x110 # [ 55.977153] ? refcount_warn_saturate+0xfb/0x110 # [ 55.982603] ? report_bug+0x9e/0xc0 # [ 55.986814] ? handle_bug+0x41/0x90 # [ 55.991024] ? exc_invalid_op+0x14/0x70 # [ 56.001807] ? asm_exc_invalid_op+0x12/0x20 # [ 56.006772] ? refcount_warn_saturate+0xfb/0x110 # [ 56.012256] ? refcount_warn_saturate+0xfb/0x110 # [ 56.017711] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 56.023458] direct_entry.cold+0x2c/0x38 # [ 56.034346] full_proxy_write+0x53/0x80 # [ 56.045135] vfs_write+0xe7/0x3b0 # [ 56.055359] ksys_write+0x68/0xf0 # [ 56.059361] do_syscall_64+0x30/0x40 # [ 56.069852] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 56.075786] RIP: 0033:0x7f44236b4240 # [ 56.080068] 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 # [ 56.101347] RSP: 002b:00007ffc4d9fcc88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.110095] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f44236b4240 # [ 56.118361] RDX: 0000000000000017 RSI: 00007f4423598000 RDI: 0000000000000001 # [ 56.126623] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 56.134885] R10: 00007f44235d54d0 R11: 0000000000000202 R12: 00007f4423598000 # [ 56.143148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.151417] irq event stamp: 0 # [ 56.155145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.162440] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.171892] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.181322] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.188614] ---[ end trace 960df89270c00959 ]--- # [ 56.194061] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 56.344163] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 56.356480] lkdtm: attempting bad refcount_dec() from saturated # [ 56.363420] ------------[ cut here ]------------ # [ 56.368890] refcount_t: saturated; leaking memory. # [ 56.380753] WARNING: CPU: 3 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 56.396672] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.457109] CPU: 3 PID: 2453 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 56.466064] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.479372] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 56.485526] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d e0 ba d6 02 00 75 ee 48 c7 c7 40 13 e2 b5 c6 05 d0 ba d6 02 01 e8 15 0e c2 00 <0f> 0b c3 cc cc cc cc 80 3d bc ba d6 02 00 75 cb 48 c7 c7 68 13 e2 # [ 56.506801] RSP: 0018:ffffb5dc02f77e48 EFLAGS: 00010286 # [ 56.512928] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 56.521194] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 56.529457] RBP: ffffffffb5ec6cb3 R08: 0000000000000000 R09: 0000000000000000 # [ 56.537721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 56.545986] R13: ffffb5dc02f77f10 R14: ffffb5dc02f77f10 R15: ffff96c6c26d0000 # [ 56.554249] FS: 00007faa51392740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 56.563579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.570289] CR2: 00007faa51371000 CR3: 0000000106cee002 CR4: 00000000003706e0 # [ 56.578551] Call Trace: # [ 56.581576] ? __warn+0x80/0x110 # [ 56.585495] ? refcount_warn_saturate+0x51/0x110 # [ 56.597153] ? report_bug+0x9e/0xc0 # [ 56.601341] ? handle_bug+0x41/0x90 # [ 56.605527] ? exc_invalid_op+0x14/0x70 # [ 56.610100] ? asm_exc_invalid_op+0x12/0x20 # [ 56.615066] ? refcount_warn_saturate+0x51/0x110 # [ 56.620543] ? refcount_warn_saturate+0x51/0x110 # [ 56.625991] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 56.631732] direct_entry.cold+0x2c/0x38 # [ 56.636405] full_proxy_write+0x53/0x80 # [ 56.641003] vfs_write+0xe7/0x3b0 # [ 56.645024] ksys_write+0x68/0xf0 # [ 56.655230] do_syscall_64+0x30/0x40 # [ 56.665760] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 56.671716] RIP: 0033:0x7faa5148d240 # [ 56.676007] 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 # [ 56.703492] RSP: 002b:00007ffe492755d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 56.712243] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faa5148d240 # [ 56.720505] RDX: 0000000000000017 RSI: 00007faa51371000 RDI: 0000000000000001 # [ 56.728772] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 56.737034] R10: 00007faa513ae4d0 R11: 0000000000000202 R12: 00007faa51371000 # [ 56.745296] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 56.753563] irq event stamp: 0 # [ 56.757283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.764576] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.774006] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.783433] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.790726] ---[ end trace 960df89270c0095a ]--- # [ 56.796174] 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 # [ 57.343768] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 57.355839] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 57.363627] ------------[ cut here ]------------ # [ 57.369084] refcount_t: saturated; leaking memory. # [ 57.374758] WARNING: CPU: 3 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.384511] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 57.444960] CPU: 3 PID: 2486 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 57.453924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.461024] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 57.467152] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 # [ 57.488430] RSP: 0018:ffffb5dc03007e38 EFLAGS: 00010282 # [ 57.494582] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 57.502846] RDX: ffff96c73adac620 RSI: ffff96c73ad9bf50 RDI: ffff96c73ad9bf50 # [ 57.511110] RBP: ffffffffb5ec68e0 R08: 0000000000000000 R09: 0000000000000000 # [ 57.519399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.527662] R13: ffffb5dc03007f10 R14: ffffb5dc03007f10 R15: ffff96c6c318e000 # [ 57.535927] FS: 00007fbbcba5c740(0000) GS:ffff96c73ad80000(0000) knlGS:0000000000000000 # [ 57.545260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.551968] CR2: 00007fbbcba3b000 CR3: 0000000106286001 CR4: 00000000003706e0 # [ 57.560233] Call Trace: # [ 57.563257] ? __warn+0x80/0x110 # [ 57.567183] ? refcount_warn_saturate+0x97/0x110 # [ 57.572632] ? report_bug+0x9e/0xc0 # [ 57.576846] ? handle_bug+0x41/0x90 # [ 57.581059] ? exc_invalid_op+0x14/0x70 # [ 57.591842] ? asm_exc_invalid_op+0x12/0x20 # [ 57.596807] ? refcount_warn_saturate+0x97/0x110 # [ 57.602281] ? refcount_warn_saturate+0x97/0x110 # [ 57.613937] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 57.620386] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 57.633213] direct_entry.cold+0x2c/0x38 # [ 57.644117] full_proxy_write+0x53/0x80 # [ 57.648702] vfs_write+0xe7/0x3b0 # [ 57.658902] ksys_write+0x68/0xf0 # [ 57.662919] do_syscall_64+0x30/0x40 # [ 57.667201] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 57.673136] RIP: 0033:0x7fbbcbb57240 # [ 57.677420] 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 # [ 57.698720] RSP: 002b:00007fff038e1548 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 57.713701] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbbcbb57240 # [ 57.721975] RDX: 0000000000000020 RSI: 00007fbbcba3b000 RDI: 0000000000000001 # [ 57.736449] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 57.744715] R10: 00007fbbcba784d0 R11: 0000000000000202 R12: 00007fbbcba3b000 # [ 57.752977] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 57.761243] irq event stamp: 0 # [ 57.764971] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.772265] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.781714] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.797356] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.804648] ---[ end trace 960df89270c0095b ]--- # [ 57.810094] 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_SA<6>[ 66.797020] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) TURATED.sh # [ 57.947342] lkdtm: Performing direct entry REFC<6>[ 66.808065] pci 0000:00:1e.6: deferred probe pending OUNT_ADD_NOT_ZERO_SATURATED # [ 57.961098] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 57.975094] ------------[ cut here ]------------ # [ 57.986749] refcount_t: saturated; leaking memory. # [ 57.998641] WARNING: CPU: 1 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 58.014544] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 58.074973] CPU: 1 PID: 2519 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 58.090145] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.103435] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 58.109588] Code: 02 01 e8 f2 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 9b ba d6 02 00 75 a8 48 c7 c7 40 13 e2 b5 c6 05 8b ba d6 02 01 e8 cf 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 # [ 58.137076] RSP: 0018:ffffb5dc03057e38 EFLAGS: 00010282 # [ 58.149418] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 58.157683] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 58.172157] RBP: ffffffffb5ec6900 R08: 0000000000000000 R09: 0000000000000000 # [ 58.186637] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.201117] R13: ffffb5dc03057f10 R14: ffffb5dc03057f10 R15: ffff96c6c6d5f000 # [ 58.209382] FS: 00007faddfd61740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 58.224927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.231662] CR2: 00007faddfd40000 CR3: 00000001070a8004 CR4: 00000000003706e0 # [ 58.246134] Call Trace: # [ 58.255375] ? __warn+0x80/0x110 # [ 58.265483] ? refcount_warn_saturate+0x97/0x110 # [ 58.277149] ? report_bug+0x9e/0xc0 # [ 58.287553] ? handle_bug+0x41/0x90 # [ 58.297952] ? exc_invalid_op+0x14/0x70 # [ 58.308741] ? asm_exc_invalid_op+0x12/0x20 # [ 58.319923] ? refcount_warn_saturate+0x97/0x110 # [ 58.331583] ? refcount_warn_saturate+0x97/0x110 # [ 58.343244] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 58.349663] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 58.362487] direct_entry.cold+0x2c/0x38 # [ 58.373376] full_proxy_write+0x53/0x80 # [ 58.384164] vfs_write+0xe7/0x3b0 # [ 58.394370] ksys_write+0x68/0xf0 # [ 58.404576] do_syscall_64+0x30/0x40 # [ 58.415072] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 58.421031] RIP: 0033:0x7faddfe5c240 # [ 58.431521] 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 # [ 58.459012] RSP: 002b:00007ffe3ad199f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 58.467788] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faddfe5c240 # [ 58.482261] RDX: 0000000000000020 RSI: 00007faddfd40000 RDI: 0000000000000001 # [ 58.496753] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 58.505048] R10: 00007faddfd7d4d0 R11: 0000000000000202 R12: 00007faddfd40000 # [ 58.519521] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 58.534002] irq event stamp: 0 # [ 58.543941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.557449] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.566878] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.582517] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.596026] ---[ end trace 960df89270c0095c ]--- # [ 58.601499] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 58.763711] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 58.777188] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 58.791183] ------------[ cut here ]------------ # [ 58.802843] refcount_t: underflow; use-after-free. # [ 58.814733] WARNING: CPU: 1 PID: 2555 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.830652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 58.891064] CPU: 1 PID: 2555 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 58.906218] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.919532] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.931874] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 # [ 58.959360] RSP: 0018:ffffb5dc0313fe40 EFLAGS: 00010286 # [ 58.971719] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 58.986194] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 59.000672] RBP: ffffffffb5ec6920 R08: 0000000000000000 R09: 0000000000000000 # [ 59.015151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 59.029629] R13: ffffb5dc0313ff10 R14: ffffb5dc0313ff10 R15: ffff96c6c318b000 # [ 59.044111] FS: 00007ff895596740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 59.059662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.072585] CR2: 00007ff895575000 CR3: 0000000105a98006 CR4: 00000000003706e0 # [ 59.087062] Call Trace: # [ 59.090087] ? __warn+0x80/0x110 # [ 59.100211] ? refcount_warn_saturate+0xba/0x110 # [ 59.111870] ? report_bug+0x9e/0xc0 # [ 59.122248] ? handle_bug+0x41/0x90 # [ 59.132649] ? exc_invalid_op+0x14/0x70 # [ 59.143437] ? asm_exc_invalid_op+0x12/0x20 # [ 59.154616] ? refcount_warn_saturate+0xba/0x110 # [ 59.166276] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 59.178911] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 59.191752] direct_entry.cold+0x2c/0x38 # [ 59.196457] full_proxy_write+0x53/0x80 # [ 59.207239] vfs_write+0xe7/0x3b0 # [ 59.217444] ksys_write+0x68/0xf0 # [ 59.227650] do_syscall_64+0x30/0x40 # [ 59.238147] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 59.244081] RIP: 0033:0x7ff895691240 # [ 59.254570] 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 # [ 59.275843] RSP: 002b:00007ffd5d343788 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 59.290800] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff895691240 # [ 59.299065] RDX: 0000000000000020 RSI: 00007ff895575000 RDI: 0000000000000001 # [ 59.313537] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 59.321803] R10: 00007ff8955b24d0 R11: 0000000000000202 R12: 00007ff895575000 # [ 59.336298] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 59.350782] irq event stamp: 0 # [ 59.360692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.374200] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.389843] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.405488] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.418996] ---[ end trace 960df89270c0095d ]--- # [ 59.430659] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 59.958200] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 59.971864] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 59.985859] ------------[ cut here ]------------ # [ 59.997515] refcount_t: underflow; use-after-free. # [ 60.009401] WARNING: CPU: 1 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 60.025311] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_lightbar cros_ec_sensorhub cros_usbpd_charger cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_usbpd_logger uvcvideo snd_soc_core videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_compress iwlmvm gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine iwlwifi videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 60.085725] CPU: 1 PID: 2591 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 60.100882] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.114195] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 60.126538] Code: 02 01 e8 cf 0d c2 00 0f 0b c3 cc cc cc cc 80 3d 75 ba d6 02 00 75 85 48 c7 c7 98 13 e2 b5 c6 05 65 ba d6 02 01 e8 ac 0d c2 00 <0f> 0b c3 cc cc cc cc 80 3d 50 ba d6 02 00 0f 85 5e ff ff ff 48 c7 # [ 60.154028] RSP: 0018:ffffb5dc031b7e40 EFLAGS: 00010286 # [ 60.166375] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 60.180851] RDX: ffff96c73acac620 RSI: ffff96c73ac9bf50 RDI: ffff96c73ac9bf50 # [ 60.195330] RBP: ffffffffb5ec6940 R08: 0000000000000000 R09: 0000000000000000 # [ 60.209808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 60.224290] R13: ffffb5dc031b7f10 R14: ffffb5dc031b7f10 R15: ffff96c6c708b000 # [ 60.238770] FS: 00007f5241594740(0000) GS:ffff96c73ac80000(0000) knlGS:0000000000000000 # [ 60.254320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.267244] CR2: 00007f5241573000 CR3: 00000001026c6004 CR4: 00000000003706e0 # [ 60.281727] Call Trace: # [ 60.290965] ? __warn+0x80/0x110 # [ 60.301095] ? refcount_warn_saturate+0xba/0x110 # [ 60.312742] ? report_bug+0x9e/0xc0 # [ 60.323134] ? handle_bug+0x41/0x90 # [ 60.333535] ? exc_invalid_op+0x14/0x70 # [ 60.344323] ? asm_exc_invalid_op+0x12/0x20 # [ 60.355503] ? refcount_warn_saturate+0xba/0x110 # [ 60.367164] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 60.379795] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 60.392622] direct_entry.cold+0x2c/0x38 # [ 60.403510] full_proxy_write+0x53/0x80 # [ 60.414297] vfs_write+0xe7/0x3b0 # [ 60.424503] ksys_write+0x68/0xf0 # [ 60.434720] do_syscall_64+0x30/0x40 # [ 60.445216] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 60.457365] RIP: 0033:0x7f524168f240 # [ 60.467862] 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 # [ 60.495352] RSP: 002b:00007fffc4330018 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 60.510317] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f524168f240 # [ 60.524799] RDX: 0000000000000020 RSI: 00007f5241573000 RDI: 0000000000000001 # [ 60.539280] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 60.553756] R10: 00007f52415b04d0 R11: 0000000000000202 R12: 00007f5241573000 # [ 60.568237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 60.582722] irq event stamp: 0 # [ 60.592635] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.606145] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.621789] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 60.637434] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.650943] ---[ end trace 960df89270c0095e ]--- # [ 60.662609] 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 # [ 60.865215] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 60.874774] lkdtm: attempting good copy_to_user of correct size # [ 60.887922] 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 # [ 61.051927] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 61.063667] lkdtm: attempting good copy_from_user of correct size # [ 61.070781] 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 # [ 61.257835] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 61.265784] lkdtm: attempting good copy_to_user inside whitelist # [ 61.278998] 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 # [ 61.416436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 61.424275] lkdtm: attempting good copy_from_user inside whitelist # [ 61.437710] 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 # [ 61.595969] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 61.607614] lkdtm: good_stack: ffffb5dc035d7e20-ffffb5dc035d7e40 # [ 61.620818] lkdtm: bad_stack : ffffb5dc035d7da8-ffffb5dc035d7dc8 # [ 61.634073] lkdtm: attempting good copy_to_user of local stack # [ 61.647049] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 61.786706] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 61.798363] lkdtm: good_stack: ffffb5dc0367fe20-ffffb5dc0367fe40 # [ 61.811574] lkdtm: bad_stack : ffffb5dc0367fda8-ffffb5dc0367fdc8 # [ 61.824828] lkdtm: attempting good copy_from_user of local stack # [ 61.838026] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 61.992919] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 62.001283] lkdtm: good_stack: ffffb5dc036d7e20-ffffb5dc036d7e40 # [ 62.014495] lkdtm: bad_stack : ffffb5dc036d7ff8-ffffb5dc036d8018 # [ 62.027749] lkdtm: attempting good copy_to_user of local stack # [ 62.040790] lkdtm: attempting bad copy_to_user of distant stack # [ 62.053906] 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 # [ 62.200802] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 62.209456] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb5a40850 # [ 62.224626] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb32e41c0 # [ 62.239513] 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 # [ 62.383126] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 62.394878] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 62.403083] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 62.411167] lkdtm: FAIL: the thread stack is NOT properly erased # [ 62.424387] CPU: 3 PID: 2967 Comm: cat Tainted: G D W 5.10.217-cip47 #1 # [ 62.433332] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.440428] Call Trace: # [ 62.443451] dump_stack+0x77/0x9b # [ 62.447471] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 62.452917] direct_entry.cold+0x2c/0x38 # [ 62.457587] full_proxy_write+0x53/0x80 # [ 62.462159] vfs_write+0xe7/0x3b0 # [ 62.466147] ksys_write+0x68/0xf0 # [ 62.470138] do_syscall_64+0x30/0x40 # [ 62.474417] entry_SYSCALL_64_after_hwframe+0x67/0xcc # [ 62.480339] RIP: 0033:0x7f6fc6df7240 # [ 62.484609] 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 # [ 62.505872] RSP: 002b:00007ffeef22f9f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 62.514620] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6fc6df7240 # [ 62.522879] RDX: 0000000000000012 RSI: 00007f6fc6cdb000 RDI: 0000000000000001 # [ 62.531139] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 62.539398] R10: 00007f6fc6d184d0 R11: 0000000000000202 R12: 00007f6fc6cdb000 # [ 62.547659] 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 # [ 62.704394] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 62.711920] lkdtm: Calling matched prototype ... # [ 62.717397] lkdtm: Calling mismatched prototype ... # [ 62.729343] 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