[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 VB2:vb2_check_recovery() Recovery was requested manually VB2:vb2_check_recovery() We have a recovery request: 0x2 / 0x0 Recovery requested (1009000e) tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00000000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000503a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 89794 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked 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' SGX: pre-conditions not met 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 373259 run 168764 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8972 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8966 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 8972 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 8973 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 8964 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90948 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107731 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 14154 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 14153 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 22370 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 53524 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 13860 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 11314 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 9265 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10047 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466009 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486120 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 825862 exit 39223 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113770 exit 29 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 227 run 139276 exit 21309 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 31572 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2435 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6980 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 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5964 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 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 23471 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 23745 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 2387 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24355 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-06-24 07:05:33 UTC ELOG: Event(92) added with size 9 at 2024-06-24 07:05:33 UTC ELOG: Event(AD) added with size 10 at 2024-06-24 07:05:33 UTC ELOG: Event(9F) added with size 14 at 2024-06-24 07:05:33 UTC BS: BS_DEV_INIT times (us): entry 0 run 417618 exit 42530 ELOG: Event(A1) added with size 10 at 2024-06-24 07:05:33 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x02 ELOG: Event(A0) added with size 9 at 2024-06-24 07:05:33 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 25542 run 3967 exit 5177 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 exit 0 ELOG: Event(91) added with size 10 at 2024-06-24 07:05:33 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 6be6 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe940 00000027 COREBOOTFWD 8. 7affe900 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 6283 run 537437 exit 145950 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 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Clean Moff->Mx wake ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 591 run 258475 exit 133994 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 14531125/tftp-deploy-723wuv5y/kernel/bzImage 14531125/tftp-deploy-723wuv5y/kernel/cmdline 14531125/tftp-deploy-723wuv5y/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 14531125/tftp-deploy-723wuv5y/kernel/bzIloy-723wuv5y/kernel/cmdline 14531125/tftp-deploy-723wuv5y/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:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.13 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 14531125/tftp-deploy-723wuv5y/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 22854208 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ########################################################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 14531125/tftp-deploy-723wuv5y/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/14531125/extract-nfsrootfs-x9e2ai37,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: 21091210 Starting kernel ... <5>[ 0.000000] Linux version 5.10.218-cip49 (KernelCI@build-j242673-x86-64-gcc-10-x86-64-defconfig-x86-board-nndk4) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 24 06:53:57 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/14531125/extract-nfsrootfs-x9e2ai37,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>[ 0.000043] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001123] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.005714] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.019104] check: Scanning 1 areas for low memory corruption <6>[ 0.019114] Using GB pages for direct mapping <6>[ 0.019704] RAMDISK: [mem 0x3738b000-0x37ffffff] <6>[ 0.019710] ACPI: Early table checksum verification disabled <6>[ 0.019716] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.019726] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019739] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019751] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.019761] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019770] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019779] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.019788] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019797] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019806] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019815] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.019824] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019834] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019843] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019852] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.019856] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.019860] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019863] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019867] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.019870] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.019874] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.019877] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.019881] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.019885] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.019888] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.019892] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.020020] No NUMA configuration found <6>[ 0.020024] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.020032] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.020066] Zone ranges: <6>[ 0.020069] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.020075] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.020081] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.020086] Movable zone start for each node <6>[ 0.020090] Early memory node ranges <6>[ 0.020094] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.020097] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.020101] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.020106] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.020135] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.020186] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.034037] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.034775] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.034798] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.035153] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.035204] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.035215] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.035220] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.035230] Using ACPI (MADT) for SMP configuration information <6>[ 0.035235] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.035242] TSC deadline timer available <6>[ 0.035246] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.035269] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.035274] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.035278] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.035282] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.035285] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.035288] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.035291] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.035295] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.035298] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.035301] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.035305] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.035308] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.035311] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.035315] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.035318] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.035325] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.035331] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.049574] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.049794] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.049855] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.049859] Policy zone: Normal <5>[ 0.049870] 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/14531125/extract-nfsrootfs-x9e2ai37,tcp,hard,v3 ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.050330] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.050520] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.050592] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.078246] Memory: 3859460K/4089052K available (22546K kernel code, 3715K rwdata, 24604K rodata, 2164K init, 13960K bss, 229332K reserved, 0K cma-reserved) <6>[ 0.078360] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.078408] Kernel/User page tables isolation: enabled <6>[ 0.078509] ftrace: allocating 61799 entries in 242 pages <6>[ 0.131035] ftrace: allocated 242 pages with 5 groups <6>[ 0.131272] Running RCU self tests <6>[ 0.131285] rcu: Hierarchical RCU implementation. <6>[ 0.131288] rcu: RCU event tracing is enabled. <6>[ 0.131292] rcu: RCU lockdep checking is enabled. <6>[ 0.131295] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.131300] Rude variant of Tasks RCU enabled. <6>[ 0.131303] Tracing variant of Tasks RCU enabled. <6>[ 0.131307] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.131310] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.139203] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.139613] random: crng init done <6>[ 0.139702] Console: colour dummy device 80x25 <6>[ 0.213154] printk: console [ttyS0] enabled <4>[ 0.213542] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.214225] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.214606] ... MAX_LOCK_DEPTH: 48 <4>[ 0.214994] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.215398] ... CLASSHASH_SIZE: 4096 <4>[ 0.215801] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.216205] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.216610] ... CHAINHASH_SIZE: 32768 <4>[ 0.217014] memory used by lock dependency info: 6365 kB <4>[ 0.217503] memory used for stack traces: 4224 kB <4>[ 0.217936] per task-struct memory footprint: 1920 bytes <6>[ 0.218481] ACPI: Core revision 20200925 <6>[ 0.219021] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.219542] APIC: Switch to symmetric I/O mode setup <6>[ 0.224053] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.224988] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.225974] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.225974] process: using mwait in idle threads <6>[ 0.225974] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.225974] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.225974] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.225974] Spectre V2 : Mitigation: IBRS <6>[ 0.225974] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.225974] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.225974] RETBleed: Mitigation: IBRS <6>[ 0.225974] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.225974] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.225974] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.225974] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.225974] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.225974] SRBDS: Vulnerable: No microcode <6>[ 0.225974] GDS: Vulnerable: No microcode <6>[ 0.225974] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.225974] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.225974] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.225974] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.225974] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.225974] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.225974] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.225974] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.225974] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.225974] ------------[ cut here ]------------ <4>[ 0.225974] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.225974] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:730 apply_returns+0x1c2/0x1e0 <4>[ 0.225974] Modules linked in: <4>[ 0.225974] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.218-cip49 #1 <4>[ 0.225974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.225974] RIP: 0010:apply_returns+0x1c2/0x1e0 <4>[ 0.225974] Code: 80 3d c0 19 47 03 00 75 8b 49 89 e8 b9 05 00 00 00 4c 89 fa 48 89 ee 48 c7 c7 20 c1 9c 86 c6 05 a2 19 47 03 01 e8 44 99 15 01 <0f> 0b e9 63 ff ff ff e8 02 ef 1d 01 e9 c7 56 15 01 66 66 2e 0f 1f <4>[ 0.225974] RSP: 0000:ffffffff86e03e30 EFLAGS: 00010286 <4>[ 0.225974] RAX: 0000000000000000 RBX: ffffffff87a2c168 RCX: 0000000000000000 <4>[ 0.225974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83d78671 <4>[ 0.225974] RBP: ffffffff86640b60 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.225974] R10: ffffffff86e8ffc0 R11: 3fffffffffffffff R12: ffffffff87a45150 <4>[ 0.225974] R13: ffffffff86e03ea8 R14: 0000000000000005 R15: ffffffff86640b65 <4>[ 0.225974] FS: 0000000000000000(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 0.225974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.225974] CR2: ffff950aba601000 CR3: 0000000178c26001 CR4: 00000000003706f0 <4>[ 0.225974] Call Trace: <4>[ 0.225974] ? __warn+0x80/0x110 <4>[ 0.225974] ? apply_returns+0x1c2/0x1e0 <4>[ 0.225974] ? report_bug+0x9e/0xc0 <4>[ 0.225974] ? __warn_printk+0x6c/0x8d <4>[ 0.225974] ? handle_bug+0x41/0x90 <4>[ 0.225974] ? exc_invalid_op+0x14/0x70 <4>[ 0.225974] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.225974] ? console_unlock+0x4d1/0x5f0 <4>[ 0.225974] ? apply_returns+0x1c2/0x1e0 <4>[ 0.225974] alternative_instructions+0x7d/0x143 <4>[ 0.225974] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.225974] start_kernel+0x4ad/0x557 <4>[ 0.225974] secondary_startup_64_no_verify+0xbe/0xcb <4>[ 0.225974] irq event stamp: 199411 <4>[ 0.225974] hardirqs last enabled at (199419): [] console_unlock+0x4d1/0x5f0 <4>[ 0.225974] hardirqs last disabled at (199426): [] console_unlock+0x444/0x5f0 <4>[ 0.225974] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.225974] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.225974] ---[ end trace 73e88bf5ba8b16bf ]--- <6>[ 0.225974] Freeing SMP alternatives memory: 48K <6>[ 0.225974] pid_max: default: 32768 minimum: 301 <6>[ 0.225974] LSM: Security Framework initializing <6>[ 0.225974] SELinux: Initializing. <6>[ 0.225974] LSM support for eBPF active <6>[ 0.225974] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.225974] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.225974] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.226462] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.226987] ... version: 4 <6>[ 0.227364] ... bit width: 48 <6>[ 0.227746] ... generic registers: 4 <6>[ 0.227978] ... value mask: 0000ffffffffffff <6>[ 0.228463] ... max period: 00007fffffffffff <6>[ 0.228944] ... fixed-purpose events: 3 <6>[ 0.228978] ... event mask: 000000070000000f <6>[ 0.229880] rcu: Hierarchical SRCU implementation. <6>[ 0.231640] smp: Bringing up secondary CPUs ... <6>[ 0.232541] x86: Booting SMP configuration: <6>[ 0.232951] .... node #0, CPUs: #1 <4>[ 0.234061] 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>[ 0.235002] 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>[ 0.236486] #2 #3 <6>[ 0.238413] smp: Brought up 1 node, 4 CPUs <6>[ 0.238980] smpboot: Max logical packages: 1 <6>[ 0.239378] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.242980] devtmpfs: initialized <6>[ 0.243576] x86/mm: Memory block size: 128MB <6>[ 0.247046] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.247992] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.248996] pinctrl core: initialized pinctrl subsystem <6>[ 0.250348] PM: RTC time: 07:05:49, date: 2024-06-24 <6>[ 0.251293] NET: Registered protocol family 16 <6>[ 0.252329] audit: initializing netlink subsys (disabled) <5>[ 0.252847] audit: type=2000 audit(1719212749.027:1): state=initialized audit_enabled=0 res=1 <6>[ 0.253490] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.253683] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.254044] cpuidle: using governor menu <6>[ 0.255098] ACPI: bus type PCI registered <6>[ 0.255780] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.255986] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.256620] PCI: Using configuration type 1 for base access <6>[ 0.286256] Kprobes globally optimized <6>[ 0.286646] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.286993] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.287744] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.290298] ACPI: Added _OSI(Module Device) <6>[ 0.290693] ACPI: Added _OSI(Processor Device) <6>[ 0.290983] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.291418] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.291910] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.291990] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.292477] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.302797] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.309205] ACPI: EC: EC started <6>[ 0.309535] ACPI: EC: interrupt blocked <6>[ 0.310502] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.310970] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.311980] ACPI: Interpreter enabled <6>[ 0.312386] ACPI: (supports S0 S3 S4 S5) <6>[ 0.312757] ACPI: Using IOAPIC for interrupt routing <6>[ 0.313045] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.327558] ACPI: Power Resource [PRIC] (on) <6>[ 0.454392] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.454957] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.456221] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.456904] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.458494] PCI host bridge to bus 0000:00 <6>[ 0.458882] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.458981] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.459589] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.460981] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.461645] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.461980] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.462644] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.462980] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.463644] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.464980] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.465645] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.465979] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.466644] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.466980] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.467645] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.468980] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.469645] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.469980] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.470659] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.470980] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.471645] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.473060] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.474480] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.474999] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.475619] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.475987] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.477023] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.477585] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.478624] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.479001] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.480163] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.480732] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.482107] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.483277] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.483846] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.484561] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.485020] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.486320] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.486896] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.488704] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.489020] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.489648] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.490667] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.491020] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.492347] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.493054] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.494243] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.494820] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.496678] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.497020] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.498319] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.498889] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.500753] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.501015] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.502271] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.503462] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.504007] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.505194] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.505768] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.506036] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.506730] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.508607] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.509043] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.509719] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.510604] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.511008] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.512483] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.513219] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.514708] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.517538] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.517993] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.519706] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.520212] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.521058] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.521925] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.523206] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.524073] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.524938] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.525204] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.531340] ACPI: EC: interrupt unblocked <6>[ 0.531727] ACPI: EC: event unblocked <6>[ 0.531978] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.532446] ACPI: EC: GPE=0x6e <6>[ 0.532745] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.533982] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.535021] iommu: Default domain type: Translated <6>[ 0.536035] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.536593] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.537008] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.537529] vgaarb: loaded <5>[ 0.538292] SCSI subsystem initialized <6>[ 0.539174] ACPI: bus type USB registered <6>[ 0.539174] usbcore: registered new interface driver usbfs <6>[ 0.539651] usbcore: registered new interface driver hub <6>[ 0.540032] usbcore: registered new device driver usb <6>[ 0.540596] mc: Linux media interface: v0.10 <6>[ 0.541004] videodev: Linux video capture interface: v2.00 <6>[ 0.541532] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.541978] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.542788] PTP clock support registered <6>[ 0.544166] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.545809] NetLabel: Initializing <6>[ 0.545979] NetLabel: domain hash size = 128 <6>[ 0.546384] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.546959] NetLabel: unlabeled traffic allowed by default <6>[ 0.547092] PCI: Using ACPI for IRQ routing <6>[ 0.555976] clocksource: Switched to clocksource tsc-early <5>[ 0.884420] VFS: Disk quotas dquot_6.6.0 <6>[ 0.884830] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 0.885770] pnp: PnP ACPI init <6>[ 0.886677] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 0.887274] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 0.887878] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 0.888481] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 0.889075] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 0.889675] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 0.890298] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 0.890925] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 0.891527] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 0.892122] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 0.893417] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 0.894233] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 0.894963] system 00:04: [io 0x0200] has been reserved <6>[ 0.895460] system 00:04: [io 0x0204] has been reserved <6>[ 0.895947] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 0.896489] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 0.898933] pnp: PnP ACPI: found 6 devices <6>[ 0.910929] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 0.911808] NET: Registered protocol family 2 <6>[ 0.912344] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 0.914308] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 0.915254] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 0.916122] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 0.918327] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 0.919169] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 0.920071] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.920900] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 0.921868] NET: Registered protocol family 1 <6>[ 0.922798] RPC: Registered named UNIX socket transport module. <6>[ 0.923354] RPC: Registered udp transport module. <6>[ 0.923801] RPC: Registered tcp transport module. <6>[ 0.924236] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.925270] NET: Registered protocol family 44 <6>[ 0.925712] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.926182] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.926814] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 0.927369] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 0.927931] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 0.928600] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 0.929214] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 0.929834] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 0.930456] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 0.931076] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 0.931703] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 0.932325] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 0.932951] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 0.933579] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 0.934200] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 0.934855] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 0.935484] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 0.936106] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 0.936732] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 0.937353] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 0.937994] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 0.938622] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 0.939244] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 0.940149] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 0.942425] PCI: CLS 64 bytes, default 64 <6>[ 0.943091] Unpacking initramfs... <6>[ 1.336572] Freeing initrd memory: 12756K <6>[ 1.337066] DMAR: Host address width 39 <6>[ 1.337467] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.338004] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.338759] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.339341] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.339873] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.340662] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.341242] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.342127] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.342865] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.343385] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.343907] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.344406] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.344919] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.346774] kvm: already loaded the other module <6>[ 1.349364] check: Scanning for low memory corruption every 60 seconds <5>[ 1.352318] Initialise system trusted keyrings <6>[ 1.352933] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.367888] NFS: Registering the id_resolver key type <5>[ 1.368385] Key type id_resolver registered <5>[ 1.368809] Key type id_legacy registered <5>[ 1.384437] Key type asymmetric registered <5>[ 1.384843] Asymmetric key parser 'x509' registered <6>[ 1.385330] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.386014] io scheduler mq-deadline registered <6>[ 1.386443] io scheduler kyber registered <4>[ 1.386984] test_firmware: interface ready <6>[ 1.388535] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.390081] ACPI: AC Adapter [AC] (on-line) <6>[ 1.390772] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.392349] ACPI: Lid Switch [LID0] <6>[ 1.392888] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.393734] ACPI: Power Button [PWRF] <6>[ 1.394428] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.395386] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.396248] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.397129] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.398420] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.401193] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.401994] Non-volatile memory driver v1.3 <6>[ 1.402171] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.402522] Linux agpgart interface v0.103 <6>[ 1.403604] ACPI: bus type drm_connector registered <6>[ 1.404166] [drm] amdgpu kernel modesetting enabled. <6>[ 1.406714] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.459609] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.461323] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.482743] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.485935] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.498671] loop: module loaded <6>[ 1.499593] lkdtm: No crash points registered, enable through debugfs <6>[ 1.518042] printk: console [ttyS0] disabled <6>[ 1.518645] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.368513] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.372914] printk: console [ttyS0] enabled <6>[ 2.380227] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.405270] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.150620] clocksource: Switched to clocksource tsc <6>[ 5.150774] fbcon: i915drmfb (fb0) is primary device <4>[ 5.152271] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.158156] e100: Intel(R) PRO/100 Network Driver <6>[ 5.158158] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.158241] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.158243] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.158302] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.158303] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.158365] sky2: driver version 1.30 <6>[ 5.158613] usbcore: registered new interface driver r8152 <6>[ 5.158651] usbcore: registered new interface driver asix <6>[ 5.158680] usbcore: registered new interface driver ax88179_178a <6>[ 5.158707] usbcore: registered new interface driver cdc_ether <6>[ 5.158734] usbcore: registered new interface driver net1080 <6>[ 5.158760] usbcore: registered new interface driver cdc_subset <6>[ 5.158788] usbcore: registered new interface driver zaurus <6>[ 5.158835] usbcore: registered new interface driver cdc_ncm <6>[ 5.159169] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.159183] ehci-pci: EHCI PCI platform driver <6>[ 5.159229] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.159243] ohci-pci: OHCI PCI platform driver <6>[ 5.159287] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.160168] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.161136] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.162618] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.162675] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.163182] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.164196] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.164688] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.164702] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.165086] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.165103] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.165106] usb usb1: Product: xHCI Host Controller <6>[ 5.165109] usb usb1: Manufacturer: Linux 5.10.218-cip49 xhci-hcd <6>[ 5.165111] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.166440] hub 1-0:1.0: USB hub found <6>[ 5.166581] hub 1-0:1.0: 12 ports detected <6>[ 5.169347] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.169351] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.169354] usb usb2: Product: xHCI Host Controller <6>[ 5.169356] usb usb2: Manufacturer: Linux 5.10.218-cip49 xhci-hcd <6>[ 5.169359] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.170091] hub 2-0:1.0: USB hub found <6>[ 5.170140] hub 2-0:1.0: 6 ports detected <6>[ 5.171497] usbcore: registered new interface driver usblp <6>[ 5.171549] usbcore: registered new interface driver usb-storage <6>[ 5.171935] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.172037] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.172040] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.172685] i8042: Warning: Keylock active <6>[ 5.172919] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.174368] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.176259] rtc_cmos 00:02: registered as rtc0 <6>[ 5.176460] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.176881] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.178506] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.178547] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.179273] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.180670] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.180706] intel_pstate: Intel P-state driver initializing <6>[ 5.181478] intel_pstate: HWP enabled <6>[ 5.181514] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.181515] sdhci: Copyright(c) Pierre Ossman <6>[ 5.181552] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.182638] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.182926] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.183242] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.184318] Console: switching to colour frame buffer device 240x67 <6>[ 5.184930] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.185585] usbcore: registered new interface driver usbhid <6>[ 5.185586] usbhid: USB HID core driver <6>[ 5.186092] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.191429] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.192020] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.193010] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.193282] IPv4 over IPsec tunneling driver <6>[ 5.193535] Initializing XFRM netlink socket <6>[ 5.193787] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.194389] NET: Registered protocol family 10 <6>[ 5.195787] Segment Routing with IPv6 <6>[ 5.196937] NET: Registered protocol family 17 <6>[ 5.197170] 8021q: 802.1Q VLAN Support v1.8 <5>[ 5.197212] Key type dns_resolver registered <6>[ 5.199120] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.204861] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <3>[ 5.212054] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.218620] microcode: Microcode Update Driver: v2.2. <6>[ 5.218627] IPI shorthand broadcast: enabled <6>[ 5.218672] sched_clock: Marking stable (5133001717, 85396081)->(5317031877, -98634079) <6>[ 5.295276] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 <6>[ 5.321483] registered taskstats version 1 <6>[ 5.379978] mmc0: new HS400 MMC card at address 0001 <5>[ 5.388646] Loading compiled-in X.509 certificates <6>[ 5.394524] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.404478] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.409968] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.420969] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.427895] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.434663] PM: Magic number: 12:58:67 <6>[ 5.440847] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.446154] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.446502] intel-lpss 0000:00:1e.2: hash matches <6>[ 5.467099] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.608840] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.617289] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.619599] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.942765] printk: console [netcon0] enabled <6>[ 5.944957] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.947934] netconsole: network logging started <6>[ 5.994658] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.015837] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.025288] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.033565] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.039117] usb 2-3: Manufacturer: Realtek <6>[ 6.043981] usb 2-3: SerialNumber: 001000001 <6>[ 6.051906] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.129657] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.294396] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.303877] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.312165] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.317827] usb 1-9: Manufacturer: Azurewave <6>[ 6.322909] usb 1-9: SerialNumber: 0x0001 <6>[ 6.334901] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.380602] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.426595] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.462583] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.467669] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.538524] r8152 2-3:1.0 eth0: carrier on <6>[ 9.544549] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 9.556538] Sending DHCP requests .., OK <6>[ 12.544292] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 <6>[ 12.553540] IP-Config: Complete: <6>[ 12.557470] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 <6>[ 12.569431] host=asus-c433ta-aj0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 12.578968] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 12.578969] nameserver0=192.168.201.1 <5>[ 12.592453] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 12.604559] modprobe (102) used greatest stack depth: 14120 bytes left <5>[ 12.607916] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 12.619961] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <6>[ 12.629506] clk: Disabling unused clocks <4>[ 12.629645] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 12.634286] ALSA device list: <6>[ 12.644221] cfg80211: failed to load regulatory.db <6>[ 12.647815] No soundcards found. <4>[ 12.657964] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 12.667808] Freeing unused kernel image (initmem) memory: 2164K <6>[ 12.684714] Write protecting the kernel read-only data: 51200k <6>[ 12.692524] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 12.700760] Freeing unused kernel image (rodata/data gap) memory: 2020K <6>[ 12.708620] Run /init as init process Loading, please wait... Starting systemd-udevd version 252.22-1~deb12u1 <6>[ 12.731279] systemd-udevd (128) used greatest stack depth: 13592 bytes left <6>[ 12.977231] chromeos ramoops using acpi device. <6>[ 12.978227] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 12.992463] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 13.011848] mmc1: SDHCI controller on PCI [0000:00:1e.6] using ADMA 64-bit <4>[ 13.020447] elan_i2c i2c-ELAN0000:00: supply vcc not found, using dummy regulator <4>[ 13.029550] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 13.039375] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 13.052610] idma64 idma64.0: Found Intel integrated DMA 64-bit <6>[ 13.062533] idma64 idma64.1: Found Intel integrated DMA 64-bit <6>[ 13.074470] Intel(R) Wireless WiFi driver for Linux <6>[ 13.085918] iwlwifi 0000:01:00.0: Found debug destination: EXTERNAL_DRAM <6>[ 13.086971] idma64 idma64.4: Found Intel integrated DMA 64-bit <6>[ 13.093735] iwlwifi 0000:01:00.0: Found debug configuration: 0 <6>[ 13.107761] iwlwifi 0000:01:00.0: loaded firmware version 29.4063824552.0 7265D-29.ucode op_mode iwlmvm <6>[ 13.116785] idma64 idma64.5: Found Intel integrated DMA 64-bit <6>[ 13.127399] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0x210 <6>[ 13.147789] elan_i2c i2c-ELAN0000:00: Elan Touchpad: Module ID: 0x00c0, Firmware: 0x0002, Sample: 0x0003, IAP: 0x0000 <6>[ 13.152548] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 13.160377] input: Elan Touchpad as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-7/i2c-ELAN0000:00/input/input4 <6>[ 13.168151] iwlwifi 0000:01:00.0: Allocated 0x00400000 bytes for firmware monitor. <6>[ 13.199042] iwlwifi 0000:01:00.0: base HW address: 14:f6:d8:57:be:26 <6>[ 13.242872] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input5 <6>[ 13.260063] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 13.279620] intel_pmc_core intel_pmc_core.0: initialized <6>[ 13.286654] proc_thermal 0000:00:04.0: Creating sysfs group for PROC_THERMAL_PCI <6>[ 13.296161] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 13.304680] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11 <4>[ 13.308050] thermal thermal_zone7: failed to read out thermal zone (-61) <6>[ 13.312278] iTCO_wdt: Found a Intel PCH TCO device (Version=4, TCOBASE=0x0400) <6>[ 13.327646] Bluetooth: Core ver 2.22 <6>[ 13.331278] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) <6>[ 13.339198] NET: Registered protocol family 31 <6>[ 13.344480] Bluetooth: HCI device and connection manager initialized <6>[ 13.348905] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input7 <6>[ 13.351917] Bluetooth: HCI socket layer initialized <6>[ 13.365932] usbcore: registered new interface driver uvcvideo <6>[ 13.370164] Bluetooth: L2CAP socket layer initialized <6>[ 13.376456] USB Video Class driver (1.1.1) <6>[ 13.382739] Bluetooth: SCO socket layer initialized <6>[ 13.387855] modprobe (164) used greatest stack depth: 13264 bytes left <6>[ 13.403471] Registered efivars operations <6>[ 13.408265] gsmi version 1.0 loaded <6>[ 13.416127] max98927 i2c-MX98927:00: MAX98927 revisionID: 0x42 <4>[ 13.416149] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 13.421062] iwlwifi 0000:01:00.0 wlp1s0: renamed from wlan0 <6>[ 13.439794] max98927 i2c-MX98927:01: MAX98927 revisionID: 0x42 <6>[ 13.448249] usbcore: registered new interface driver btusb <6>[ 13.460161] Bluetooth: hci0: read Intel version: 370810225019140f00 <4>[ 13.467754] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq failed with error -2 <3>[ 13.479874] Bluetooth: hci0: failed to open Intel firmware file: intel/ibt-hw-37.8.10-fw-22.50.19.14.f.bseq (-2) <4>[ 13.491716] bluetooth hci0: Direct firmware load for intel/ibt-hw-37.8.bseq failed with error -2 <3>[ 13.501892] Bluetooth: hci0: failed to open default fw file: intel/ibt-hw-37.8.bseq Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. Begin: Waiting up to 180 secs for any network device to become available ... done. IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: wlp1s0 hardware address 14:f6:d8:57:be:26 mtu 1500 DHCP <6>[ 13.579071] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 13.669490] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM <6>[ 13.679275] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-0 domain : lava-rack roo<6>[ 13.745787] nfsmount (188) used greatest stack depth: 12512 bytes left tserver: 192.168.201.1 rootpath: filename : 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>[ 14.101170] 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>[ 14.138142] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 12 (bookworm)! <30>[ 14.156719] systemd[1]: Hostname set to . <30>[ 14.510052] systemd[1]: Queued start job for default target graphical.target. <30>[ 14.520648] systemd[1]: Created slice system-getty.slice - Slice /system/getty. [ OK ] Created slice system-getty.slice - Slice /system/getty. <30>[ 14.539245] systemd[1]: Created slice system-modprobe.slice - Slice /system/modprobe. [ OK ] Created slice system-modpr…lice - Slice /system/modprobe. <30>[ 14.561436] systemd[1]: Created slice system-serial\x2dgetty.slice - Slice /system/serial-getty. [ OK ] Created slice system-seria… - Slice /system/serial-getty. <30>[ 14.584247] systemd[1]: Created slice user.slice - User and Session Slice. [ OK ] Created slice user.slice - User and Session Slice. <30>[ 14.602001] 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>[ 14.626864] 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>[ 14.649689] 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>[ 14.673782] systemd[1]: Expecting device dev-ttyS0.device - /dev/ttyS0... Expecting device dev-ttyS0.device - /dev/ttyS0... <30>[ 14.691658] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ OK ] Reached target cryptsetup.…get - Local Encrypted Volumes. <30>[ 14.712719] systemd[1]: Reached target integritysetup.target - Local Integrity Protected Volumes. [ OK ] Reached target integrityse…Local Integrity Protected Volumes. <30>[ 14.735765] systemd[1]: Reached target paths.target - Path Units. [ OK ] Reached target paths.target - Path Units. <30>[ 14.752757] systemd[1]: Reached target remote-fs.target - Remote File Systems. [ OK ] Reached target remote-fs.target - Remote File Systems. <30>[ 14.770758] systemd[1]: Reached target slices.target - Slice Units. [ OK ] Reached target slices.target - Slice Units. <30>[ 14.787786] systemd[1]: Reached target swap.target - Swaps. [ OK ] Reached target swap.target - Swaps. <30>[ 14.803779] systemd[1]: Reached target veritysetup.target - Local Verity Protected Volumes. [ OK ] Reached target veritysetup… - Local Verity Protected Volumes. <30>[ 14.826016] systemd[1]: Listening on systemd-initctl.socket - initctl Compatibility Named Pipe. [ OK ] Listening on systemd-initc… initctl Compatibility Named Pipe. <30>[ 14.850314] systemd[1]: Listening on systemd-journald-audit.socket - Journal Audit Socket. [ OK ] Listening on systemd-journ…socket - Journal Audit Socket. <30>[ 14.870664] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ OK ] Listening on systemd-journ…t - Journal Socket (/dev/log). <30>[ 14.891174] systemd[1]: Listening on systemd-journald.socket - Journal Socket. [ OK ] Listening on systemd-journald.socket - Journal Socket. <30>[ 14.912582] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ OK ] Listening on systemd-netwo… - Network Service Netlink Socket. <30>[ 14.936338] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ OK ] Listening on systemd-udevd….socket - udev Control Socket. <30>[ 14.958100] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ OK ] Listening on systemd-udevd…l.socket - udev Kernel Socket. <30>[ 14.981600] systemd[1]: Mounting dev-hugepages.mount - Huge Pages File System... Mounting dev-hugepages.mount - Huge Pages File System... <30>[ 15.001062] systemd[1]: Mounting dev-mqueue.mount - POSIX Message Queue File System... Mounting dev-mqueue.mount…POSIX Message Queue File System... <30>[ 15.021331] systemd[1]: Mounting sys-kernel-debug.mount - Kernel Debug File System... Mounting sys-kernel-debug.… - Kernel Debug File System... <30>[ 15.042366] systemd[1]: Mounting sys-kernel-tracing.mount - Kernel Trace File System... Mounting sys-kernel-tracin… - Kernel Trace File System... <30>[ 15.063011] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... Starting kmod-static-nodes…ate List of Static Device Nodes... <30>[ 15.088182] systemd[1]: Starting modprobe@configfs.service - Load Kernel Module configfs... Starting modprobe@configfs…m - Load Kernel Module configfs... <30>[ 15.110788] systemd[1]: Starting modprobe@dm_mod.service - Load Kernel Module dm_mod... Starting modprobe@dm_mod.s…[0m - Load Kernel Module dm_mod... <30>[ 15.132127] systemd[1]: Starting modprobe@drm.service - Load Kernel Module drm... Starting modprobe@drm.service - Load Kernel Module drm... <30>[ 15.152779] systemd[1]: Starting modprobe@efi_pstore.service - Load Kernel Module efi_pstore... Starting modprobe@efi_psto…- Load Kernel Module efi_pstore... <30>[ 15.174472] systemd[1]: Starting modprobe@fuse.service - Load Kernel Module fuse... Starting modprobe@fuse.ser…e - Load Kern<6>[ 15.189177] fuse: init (API version 7.32) el Module fuse... <30>[ 15.199839] systemd[1]: Starting modprobe@loop.service - Load Kernel Module loop... Starting modprobe@loop.ser…e - Load Kernel Module loop... <30>[ 15.221305] systemd[1]: Starting systemd-journald.service - Journal Service... Starting systemd-journald.service - Journal Service... <30>[ 15.242992] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... Starting systemd-modules-l…rvice - Load Kernel Modules... <30>[ 15.263202] systemd[1]: Starting systemd-network-generator.service - Generate network units from Kernel command line... Starting systemd-network-g… units from Kernel command line... <30>[ 15.286124] systemd[1]: Starting systemd-remount-fs.service - Remount Root and Kernel File Systems... Starting systemd-remount-f…nt Root and Kernel File Systems... <30>[ 15.307121] systemd[1]: Starting systemd-udev-trigger.service - Coldplug All udev Devices... Starting systemd-udev-trig…[0m - Coldplug All udev Devices... <30>[ 15.329887] systemd[1]: Mounted dev-hugepages.mount - Huge Pages File System. [ OK ] Mounted dev-hugepages.mount - Huge Pages File System. <30>[ 15.347830] systemd[1]: Mounted dev-mqueue.mount - POSIX Message Queue File System. [ OK ] Mounted dev-mqueue.mount[…- POSIX Message Queue File System. <30>[ 15.368800] systemd[1]: Mounted sys-kernel-debug.mount - Kernel Debug File System. [ OK ] Mounted sys-kernel-debug.m…nt - Kernel Debug File System. <30>[ 15.387804] systemd[1]: Started systemd-journald.service - Journal Service. [ OK ] Started systemd-journald.service - Journal Service. [ OK ] Mounted sys-kernel-tracing…nt - Kernel Trace File System. [ 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... <46>[ 15.605587] systemd-journald[225]: Received client request to flush runtime journal. Starting systemd-sysctl.se…ce - Apply Kernel Variables... Starting systemd-sysusers.…rvice - Create System Users... [ OK ] Mounted sys-fs-fuse-connec…nt - FUSE Control File System. [ OK ] Mounted sys-kernel-config.… Kernel Configuration File System. [ OK ] Finished systemd-random-se…rvice - Load/Save Random Seed. [ OK ] Finished systemd-udev-trig…e - Coldplug All udev Devices. [ OK ] Finished systemd-sysctl.service - Apply Kernel Variables. [ 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 ] Finished systemd-tmpfiles-…te Volatile Files and Directories. [ OK ] Started systemd-udevd.serv…nager for Device Events and Files. Starting systemd-networkd.…ice - Network Configuration... Starting systemd-timesyncd… - Network Time Synchronization... Starting systemd-update-ut…rd System Boot/Shutdown in UTMP... [ OK ] Found device dev-ttyS0.dev…oint-LP Serial IO UART Controller. [ OK ] Finished systemd-update-ut…cord System Boot/Shutdown in UTMP. [ OK ] Created slice system-syste…- Slice /system/systemd-backlight. [ OK ] Reached target bluetooth.target - Bluetooth Support. [ OK ] Listening on systemd-rfkil…l Switch Status /dev/rfkill Watch. Starting systemd-backlight…ss of backlight:intel_backlight... Starting systemd-backlight…of leds:chromeos::kbd_backlight... [ OK ] Started systemd-networkd.service - Network Configuration. [ OK ] Started systemd-timesyncd.…0m - Network Time Synchronization. [ OK ] Finished systemd-backlight…ness of backlight:intel_backlight. [ OK ] Finished systemd-backlight…s of leds:chromeos::kbd_backlight. [ OK ] Reached target network.target - Network. [ OK ] Reached target sysinit.target - System Initialization. [ OK ] Started systemd-tmpfiles-c… Cleanup of Temporary Directories. [ OK ] Reached target time-set.target - System Time Set. [ OK ] Started apt-daily.timer - Daily apt download activities. [ OK ] Started apt-daily-upgrade.… apt upgrade and clean activities. [ OK ] Started dpkg-db-backup.tim… Daily dpkg database backup timer. [ OK ] Started e2scrub_all.timer…etadata Check for All Filesystems. [ OK ] Started fstrim.timer - Discard unused blocks once a week. [ OK ] Reached target timers.target - Timer Units. [ OK ] Listening on dbus.socket[…- D-Bus System Message Bus Socket. [ OK ] Reached target sockets.target - Socket Units. [ OK ] Reached target basic.target - Basic System. Starting dbus.service - D-Bus System Message Bus... Starting e2scrub_reap.serv…e ext4 Metadata Check Snapshots... Starting systemd-logind.se…ice - User Login Management... Starting systemd-rfkill.se…Load/Save RF Kill Switch Status... Starting systemd-user-sess…vice - Permit User Sessions... [ OK ] Started dbus.service - D-Bus System Message Bus. [ OK ] Finished systemd-user-sess…ervice - Permit User Sessions. [ OK ] Started systemd-rfkill.ser…- Load/Save RF Kill Switch Status. [ 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 ] 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 5.10.218-cip49 #1 SMP Mon Jun 24 06:53:57 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/14531125/extract-nfsrootfs-x9e2ai37' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14531125/extract-nfsrootfs-x9e2ai37' / # 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-14531125/environment . /lava-14531125/environment / # /lava-14531125/bin/lava-test-runner /lava-14531125/0 /lava-14531125/bin/lava-test-runner /lava-14531125/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-14531125/0/tests/0_timesync-off ++ cat uuid + UUID=14531125_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd <6>[ 18.642483] systemd-timesyn (269) used greatest stack depth: 12448 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-14531125/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=14531125_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/v5.10.218-cip49-1-g6e4566075fbe7/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 --2024-06-24 07:06:07-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.218-cip49-1-g6e4566075fbe7/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: 3549012 (3.4M) [application/octet-stream] Saving to: 'kselftest_armhf.tar.gz' kselftest_armhf.tar 0%[ ] 0 --.-KB/s kselftest_armhf.tar 1%[ ] 47.81K 192KB/s kselftest_armhf.tar 6%[> ] 212.77K 428KB/s kselftest_armhf.tar 25%[====> ] 870.31K 1.14MB/s kselftest_armhf.tar 35%[======> ] 1.21M 1.16MB/s kselftest_armhf.tar 96%[==================> ] 3.27M 2.63MB/s kselftest_armhf.tar 100%[===================>] 3.38M 2.52MB/s in 1.3s 2024-06-24 07:06:09 (2.52 MB/s) - 'kselftest_armhf.tar.gz' saved [3549012/3549012] 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 l<6>[ 22.798191] grep (479) used greatest stack depth: 12368 bytes left kdtm: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.<12>[ 22.924234] kselftest: Running tests in lkdtm 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 TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # self<6>[ 23.090084] lkdtm: Performing direct entry BUG tests: lkdtm: BUG.sh <4>[ 23.101393] ------------[ cut here ]------------ <2>[ 23.108956] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 23.115148] invalid opcode: 0000 [#1] SMP PTI <4>[ 23.120303] CPU: 1 PID: 666 Comm: cat Tainted: G W 5.10.218-cip49 #1 <4>[ 23.129146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 23.136244] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 23.140917] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 23.162184] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 23.168311] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 23.176564] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 23.184825] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 23.193079] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 23.201340] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 23.209593] FS: 00007fcf4b2b0740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 23.218923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 23.225622] CR2: 00007fcf4b28f000 CR3: 00000001027d6005 CR4: 00000000003706e0 <4>[ 23.233875] Call Trace: <4>[ 23.236888] ? __die_body.cold+0x1a/0x1f <4>[ 23.241564] ? die+0x2b/0x50 <4>[ 23.245074] ? do_trap+0x91/0x110 <4>[ 23.249061] ? lkdtm_BUG+0x5/0x10 <4>[ 23.253050] ? do_error_trap+0x90/0x110 <4>[ 23.257622] ? lkdtm_BUG+0x5/0x10 <4>[ 23.261611] ? lkdtm_BUG+0x5/0x10 <4>[ 23.265594] ? exc_invalid_op+0x4e/0x70 <4>[ 23.270172] ? lkdtm_BUG+0x5/0x10 <4>[ 23.274161] ? asm_exc_invalid_op+0x12/0x20 <4>[ 23.279123] ? direct_entry+0xe0/0xe0 <4>[ 23.283503] ? lkdtm_BUG+0x5/0x10 <4>[ 23.287493] direct_entry.cold+0x2c/0x38 <4>[ 23.292171] full_proxy_write+0x53/0x80 <4>[ 23.296741] vfs_write+0xe7/0x3b0 <4>[ 23.300731] ksys_write+0x68/0xf0 <4>[ 23.304722] do_syscall_64+0x30/0x40 <4>[ 23.309004] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 23.314935] RIP: 0033:0x7fcf4b3ab240 <4>[ 23.319216] 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>[ 23.340493] RSP: 002b:00007fffa03d8f78 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 23.349241] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcf4b3ab240 <4>[ 23.357504] RDX: 0000000000000004 RSI: 00007fcf4b28f000 RDI: 0000000000000001 <4>[ 23.365756] RBP: 0000000000000004 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 23.374008] R10: 00007fcf4b2cc4d0 R11: 0000000000000202 R12: 00007fcf4b28f000 <4>[ 23.382271] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 23.390526] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <0>[ 23.474856] gsmi: Log Shutdown Reason 0x03 <4>[ 23.479734] ---[ end trace 73e88bf5ba8b16c1 ]--- <4>[ 23.485219] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 23.489897] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 23.511207] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 23.517365] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 23.525659] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 23.533958] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 23.542257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 23.550550] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 23.558844] FS: 00007fcf4b2b0740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 23.568206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 23.574945] CR2: 00007fcf4b28f000 CR3: 00000001027d6005 CR4: 00000000003706e0 # Segmentation fault # [ 23.090084] lkdtm: Performing direct entry BUG # [ 23.101393] ------------[ cut here ]------------ # [ 23.108956] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 23.115148] invalid opcode: 0000 [#1] SMP PTI # [ 23.120303] CPU: 1 PID: 666 Comm: cat Tainted: G W 5.10.218-cip49 #1 # [ 23.129146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 23.136244] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 23.140917] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 23.162184] R<6>[ 23.657231] lkdtm: Performing direct entry WARNING SP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 23.168311] RAX<4>[ 23.667549] ------------[ cut here ]------------ : ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 23.679199] WARNING: CPU: 1 PID: 704 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 23.176564] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI<4>[ 23.695112] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table : ffffffff866406d0 # [ 23.184825] RBP: ffffffff86b36d38 R08: <4>[ 23.783722] CPU: 1 PID: 704 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0000000000000001 R09: 0000000000000001 # [ 23.193079] R10: 00<4>[ 23.798757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <4>[ 23.812092] RIP: 0010:lkdtm_WARNING+0x13/0x20 23.201340] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ff<4>[ 23.823446] 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 e0 0b eb 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 c1 0b ff950a42745000 # [ 23.209593] FS: 00007fcf4b2b0740(0000) GS:<4>[ 23.850940] RSP: 0018:ffff9748c155be60 EFLAGS: 00010202 <4>[ 23.863283] RAX: ffffffff84780280 RBX: 0000000000000002 RCX: 0000000000000000 ffff950abac80000(0000) knlGS:0000000000000000 # [ 23.218923] <4>[ 23.871549] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406e0 <4>[ 23.886022] RBP: ffffffff86acfe57 R08: 0000000000000000 R09: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 23.2256<4>[ 23.894291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 23.908764] R13: ffff9748c155bf10 R14: ffff9748c155bf10 R15: ffff950a47d03000 22] CR2: 00007fcf4b28f000 CR3: 00000001027d6005 CR4: 00000000003<4>[ 23.917029] FS: 00007ff26ce8c740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 23.932570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 706e0 # [ 23.233875] Call Trace: # [ 23.236888] ? __die_b<4>[ 23.939284] CR2: 00007ff26ce6b000 CR3: 000000010333c003 CR4: 00000000003706e0 <4>[ 23.953757] Call Trace: ody.cold+0x1a/0x1f # [ 23.241564] ? die+0x2b/0x50 # [ 23.<4>[ 23.956785] ? __warn+0x80/0x110 245074] ? do_trap+0x91/0x110 # [ 23.249061] ? lkdtm_BUG+0x5<4>[ 23.966883] ? lkdtm_WARNING+0x13/0x20 /0x10 # [ 23.253050] ? do_error_trap+0x90/0x110 # [ 23.25<4>[ 23.977578] ? report_bug+0x9e/0xc0 7622] ? lkdtm_BUG+0x5/0x10 # [ 23.261611] ? lkdtm_BUG+0x5/0<4>[ 23.987983] ? handle_bug+0x41/0x90 x10 # [ 23.265594] ? exc_invalid_op+0x4e/0x70 # [ 23.2701<4>[ 23.998383] ? exc_invalid_op+0x14/0x70 72] ? lkdtm_BUG+0x5/0x10 # [ 23.274161] ? asm_exc_invalid_o<4>[ 24.009174] ? asm_exc_invalid_op+0x12/0x20 p+0x12/0x20 # [ 23.279123] ? direct_entry+0xe0/0xe0 # [ 2<4>[ 24.020354] ? lkdtm_BUG+0x10/0x10 3.283503] ? lkdtm_BUG+0x5/0x10 # [ 23.287493] direct_entry.<4>[ 24.030658] ? lkdtm_WARNING+0x13/0x20 cold+0x2c/0x38 # [ 23.292171] full_proxy_write+0x53/0x80 # <4>[ 24.041353] direct_entry.cold+0x2c/0x38 [ 23.296741] vfs_write+0xe7/0x3b0 # [ 23.300731] ksys_wri<4>[ 24.052242] full_proxy_write+0x53/0x80 te+0x68/0xf0 # [ 23.304722] do_syscall_64+0x30/0x40 # [ 2<4>[ 24.063034] vfs_write+0xe7/0x3b0 3.309004] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 23.31<4>[ 24.073245] ksys_write+0x68/0xf0 4935] RIP: 0033:0x7fcf4b3ab240 # [ 23.319216] Code: 40 00 48 <4>[ 24.083450] do_syscall_64+0x30/0x40 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[ 24.093947] entry_SYSCALL_64_after_hwframe+0x67/0xd1 f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 <4>[ 24.106096] RIP: 0033:0x7ff26cf87240 <4>[ 24.116596] 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>[ 24.137896] RSP: 002b:00007ffc940ee7b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 24.152856] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff26cf87240 23.340493] RSP: 002b:00007fffa03d8f78 EFLAGS: 00000202 ORIG_RAX:<4>[ 24.161122] RDX: 0000000000000008 RSI: 00007ff26ce6b000 RDI: 0000000000000001 <4>[ 24.175594] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 0000000000000001 # [ 23.349241] RAX: ffffffffffffffda RBX: 0<4>[ 24.183861] R10: 00007ff26cea84d0 R11: 0000000000000202 R12: 00007ff26ce6b000 <4>[ 24.198336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 000000000000004 RCX: 00007fcf4b3ab240 # [ 23.357504] RDX: 000<4>[ 24.206627] irq event stamp: 0 <4>[ 24.216514] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000004 RSI: 00007fcf4b28f000 RDI: 0000000000000001 # [ <4>[ 24.223811] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 23.365756] RBP: 0000000000000004 R08: 00000000ffffffff R09: 000<4>[ 24.239450] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 24.255138] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000 # [ 23.374008] R10: 00007fcf4b2cc4d0 R11: 00000<4>[ 24.262435] ---[ end trace 73e88bf5ba8b16c2 ]--- 00000000202 R12: 00007fcf4b28f000 # [ 23.382271] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 23.390526] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchd<6>[ 24.340903] lkdtm: Performing direct entry WARNING_MESSAGE og int3403_thermal videobuf2_common snd_compress iwlwifi ecc int<4>[ 24.348915] ------------[ cut here ]------------ 340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c el<4>[ 24.360588] Warning message trigger count: 2 an_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal ac<4>[ 24.371895] WARNING: CPU: 0 PID: 740 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 pi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_t<4>[ 24.388572] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table able # [ 23.474856] gsmi: Log Shutdown Reason 0x03 # [ 23.<4>[ 24.477217] CPU: 0 PID: 740 Comm: cat Tainted: G D W 5.10.218-cip49 #1 479734] ---[ end trace 73e88bf5ba8b16c1 ]--- # [ 23.485219] R<4>[ 24.492248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 23.489897] Code: 89 ff e8 de <4>[ 24.505671] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[ 24.517742] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 0b eb 03 48 c7 c7 b8 03 ad 86 8d 70 01 89 35 b1 0b eb 03 e8 16 04 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <4>[ 24.545288] RSP: 0018:ffff9748c15fbe60 EFLAGS: 00010286 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 23.<4>[ 24.557577] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 511207] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 23.51<4>[ 24.572098] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 7365] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 000000000<4>[ 24.586562] RBP: ffffffff86acfe5f R08: 0000000000000000 R09: 0000000000000000 0000000 # [ 23.525659] RDX: 0000000000000000 RSI: ffff950abac<4>[ 24.601073] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 9bf50 RDI: ffffffff866406d0 # [ 23.533958] RBP: ffffffff86b36<4>[ 24.615550] R13: ffff9748c15fbf10 R14: ffff9748c15fbf10 R15: ffff950a4595d000 d38 R08: 0000000000000001 R09: 0000000000000001 # [ 23.542257<4>[ 24.630059] FS: 00007f189a661740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[ 24.645626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 004 # [ 23.550550] R13: ffff9748c1493f10 R14: ffff9748c1493f1<4>[ 24.658546] CR2: 00007f189a640000 CR3: 0000000108728003 CR4: 00000000003706f0 0 R15: ffff950a42745000 # [ 23.558844] FS: 00007fcf4b2b0740(<4>[ 24.673026] Call Trace: 0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 23<4>[ 24.682268] ? __warn+0x80/0x110 .568206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 24.692371] ? lkdtm_WARNING_MESSAGE+0x20/0x30 23.574945] CR2: 00007fcf4b28f000 CR3: 00000001027d6005 CR4: 00<4>[ 24.703872] ? report_bug+0x9e/0xc0 000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: <4>[ 24.714290] ? handle_bug+0x41/0x90 lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 23.657231] <4>[ 24.724719] ? exc_invalid_op+0x14/0x70 lkdtm: Performing direct entry WARNING # [ 23.667549] -------<4>[ 24.735487] ? asm_exc_invalid_op+0x12/0x20 -----[ cut here ]------------ # [ 23.679199] WARNING: CPU: 1 <4>[ 24.746670] ? lkdtm_WARNING_MESSAGE+0x20/0x30 PID: 704 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20<4>[ 24.758131] direct_entry.cold+0x2c/0x38 # [ 23.695112] Modules linked in: fuse ip_tables cros_ec_sen<4>[ 24.769028] full_proxy_write+0x53/0x80 sors cros_ec_lid_angle cros_ec_sensors_core industrialio_trigger<4>[ 24.779813] vfs_write+0xe7/0x3b0 ed_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros<4>[ 24.790025] ksys_write+0x68/0xf0 _ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs<4>[ 24.800232] do_syscall_64+0x30/0x40 btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cr<4>[ 24.810741] entry_SYSCALL_64_after_hwframe+0x67/0xd1 os_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_b<4>[ 24.822878] RIP: 0033:0x7f189a75c240 xt bluetooth intel_pmc_core uvcvideo processor_thermal_device vi<4>[ 24.833390] 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 deobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic<4>[ 24.860870] RSP: 002b:00007ffebd70fce8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec<4>[ 24.875840] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f189a75c240 _dev watchdog int3403_thermal videobuf2_common snd_compress iwlw<4>[ 24.890335] RDX: 0000000000000010 RSI: 00007f189a640000 RDI: 0000000000000001 ifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid re<4>[ 24.904821] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 gmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400<4>[ 24.919287] R10: 00007f189a67d4d0 R11: 0000000000000202 R12: 00007f189a640000 _thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight<4>[ 24.933807] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 coreboot_table # [ 23.783722] CPU: 1 PID: 704 Comm: cat Tain<4>[ 24.948316] irq event stamp: 0 ted: G D W 5.10.218-cip49 #1 # [ 23.798757] Hard<4>[ 24.958223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 23.8120<4>[ 24.971717] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 92] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 23.823446] Code: c0<4>[ 24.987360] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 <4>[ 25.003049] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 0f 1f 44 00 00 83 05 e0 0b eb 03 01 75 05 c3 cc cc cc cc <0f><4>[ 25.016539] ---[ end trace 73e88bf5ba8b16c3 ]--- 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 0b # [ 23.850940] RSP: 0018:ffff9748c155be60 EFLAGS: 00010202 # [ 23.863283] RAX: ffffffff84780280 RBX: 0000000000000002 RCX: 0000000000000000 # [ 23.871549] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406e0 # [ 23.886022] RBP: ffffffff86acfe57 R08: 0000000000000000 R09: 0000000000000000 # [ 23.894291] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 23.908764] R13: ffff9748c155bf10 R14: ffff9748c155bf10 R15: ffff950a47d03000 # [ 23.917029] FS: 00007ff26ce8c740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 23.932570] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<6>[ 25.094554] lkdtm: Performing direct entry EXCEPTION <1>[ 25.102445] BUG: kernel NULL pointer dereference, address: 0000000000000000 0033 # [ 23.939284] CR2: 00007ff26ce6b000 CR3: 000000010333c0<1>[ 25.110512] #PF: supervisor write access in kernel mode <1>[ 25.122847] #PF: error_code(0x0002) - not-present page <6>[ 25.128873] PGD 0 P4D 0 <4>[ 25.131981] Oops: 0002 [#2] SMP PTI <4>[ 25.136153] CPU: 2 PID: 773 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 25.144995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 25.152093] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 25.157342] Code: 48 c7 c7 b8 03 ad 86 8d 70 01 89 35 b1 0b eb 03 e8 16 04 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 25.178614] RSP: 0018:ffff9748c1673e60 EFLAGS: 00010282 <4>[ 25.184729] RAX: ffffffff847802d0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 25.192991] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: ffffffff86640700 <4>[ 25.201250] RBP: ffffffff869c321f R08: 0000000000000000 R09: 0000000000000000 <4>[ 25.209511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 25.217770] R13: ffff9748c1673f10 R14: ffff9748c1673f10 R15: ffff950a42763000 <4>[ 25.226029] FS: 00007f73f03cd740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 25.235359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.242065] CR2: 0000000000000000 CR3: 000000010675e002 CR4: 00000000003706e0 <4>[ 25.250315] Call Trace: <4>[ 25.253335] ? __die_body.cold+0x1a/0x1f <4>[ 25.258004] ? no_context+0x177/0x380 <4>[ 25.262383] ? exc_page_fault+0x53/0x170 <4>[ 25.267050] ? asm_exc_page_fault+0x1e/0x30 <4>[ 25.272011] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 25.277262] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 25.281824] direct_entry.cold+0x2c/0x38 <4>[ 25.286487] full_proxy_write+0x53/0x80 <4>[ 25.291057] vfs_write+0xe7/0x3b0 <4>[ 25.295036] ksys_write+0x68/0xf0 <4>[ 25.299025] do_syscall_64+0x30/0x40 <4>[ 25.303296] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 25.309218] RIP: 0033:0x7f73f04c8240 <4>[ 25.313498] 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>[ 25.334769] RSP: 002b:00007ffd2a2d5278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 25.343516] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73f04c8240 <4>[ 25.351774] RDX: 000000000000000a RSI: 00007f73f03ac000 RDI: 0000000000000001 <4>[ 25.360033] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 25.368291] R10: 00007f73f03e94d0 R11: 0000000000000202 R12: 00007f73f03ac000 <4>[ 25.376550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 03 CR4: 00000000003706e0 # [ 23.953757] Call Trace: # [ 23<4>[ 25.384813] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 25.473431] CR2: 0000000000000000 <4>[ 25.477434] ---[ end trace 73e88bf5ba8b16c4 ]--- <4>[ 25.482878] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 25.487544] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 25.508817] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 25.514941] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 25.523203] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 25.531464] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 25.539767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 25.548027] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 25.556286] FS: 00007f73f03cd740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 25.565616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 25.572323] CR2: 0000000000000000 CR3: 000000010675e002 CR4: 00000000003706e0 <3>[ 25.580583] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 25.590779] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 773, name: cat <4>[ 25.599429] INFO: lockdep is turned off. <4>[ 25.604096] irq event stamp: 0 <4>[ 25.607790] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 25.615080] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 25.624497] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 25.633921] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 25.641210] CPU: 2 PID: 773 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 25.650053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 25.657149] Call Trace: <4>[ 25.660166] dump_stack+0x77/0x9b <4>[ 25.664155] ___might_sleep.cold+0xa6/0xb6 <4>[ 25.669009] exit_signals+0x1c/0x300 <4>[ 25.673280] do_exit+0xc2/0xab0 <4>[ 25.677074] ? ksys_write+0x68/0xf0 <4>[ 25.681257] make_task_dead+0x2f/0x30 <4>[ 25.685625] rewind_stack_and_make_dead+0x17/0x20 <4>[ 25.691165] RIP: 0033:0x7f73f04c8240 <4>[ 25.695445] 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>[ 25.716715] RSP: 002b:00007ffd2a2d5278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 25.725460] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73f04c8240 <4>[ 25.733741] RDX: 000000000000000a RSI: 00007f73f03ac000 RDI: 0000000000000001 <4>[ 25.742001] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 25.750261] R10: 00007f73f03e94d0 R11: 0000000000000202 R12: 00007f73f03ac000 <4>[ 25.758520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 .956785] ? __warn+0x80/0x110 # [ 23.966883] ? lkdtm_WARNING+0x13/0x20 # [ 23.977578] ? report_bug+0x9e/0xc0 # [ 23.987983] ? handle_bug+0x41/0x90 # [ 23.998383] ? exc_invalid_op+0x14/0x70 # [ 24.009174] ? asm_exc_invalid_op+0x12/0x20 # [ 24.020354] ? lkdtm_BUG+0x10/0x10 # [ 24.030658] ? lkdtm_WARNING+0x13/0x20 # [ 24.041353] direct_entry.cold+0x2c/0x38 # [ 24.052242] full_proxy_write+0x53/0x80 # [ 24.063034] vfs_write+0xe7/0x3b0 # [ 24.073245] ksys_write+0x68/0xf0 # [ 24.083450] do_syscall_64+0x30/0x40 # [ 24.093947] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 24.106096] RIP: 0033:0x7ff26cf87240 # [ 24.116596] 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 # [ 24.137896] RSP: 002b:00007ffc940ee7b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 24.152856] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff26cf87240 # [ 24.161122] RDX: 0000000000000008 RSI: 00007ff26ce6b000 RDI: 0000000000000001 # [ 24.175594] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 # [ 24.183861] R10: 00007ff26cea84d0 R11: 0000000000000202 R12: 00007ff26ce6b000 # [ 24.198336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 24.206627] irq event stamp: 0 # [ 24.216514] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 24.223811] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.239450] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 24.255138] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 24.262435] ---[ end trace 73e88bf5ba8b16c2 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 24.340903] lkdtm: Performing direct entry WARNING_ME<6>[ 25.956979] lkdtm: Performing direct entry CORRUPT_LIST_ADD SSAGE # [ 24.348915] ------------[ cut here ]------------ # <6>[ 25.966017] lkdtm: attempting good list addition [ 24.360588] Warning message trigger count: 2 # [ 24.371895<6>[ 25.977707] lkdtm: attempting corrupted list addition ] WARNING: CPU: 0 PID: 740 at drivers/misc/lkdtm/bugs.c:88 lkdtm<3>[ 25.989859] lkdtm: list_add() corruption not detected! _WARNING_MESSAGE+0x20/0x30 # [ 24.388572] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 sn<6>[ 26.064760] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 26.076968] lkdtm: attempting good list removal d_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pi<6>[ 26.082328] lkdtm: attempting corrupted list removal nctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pst<3>[ 26.094371] lkdtm: list_del() corruption not detected! ore cros_kbd_led_backlight coreboot_table # [ 24.477217] CPU: 0 PID: 740 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 24.492248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 24.505671] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 24.517742] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 0b eb 03 48 c7 c7 b8 03 ad 86 8d 70 01 89 35 b1 0b eb 03 e8 16 04 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 24.545288] RSP: 0018:ffff9748c15fbe60 EFLAGS: 00010286 # [ 24.557577] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 24.572098] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950ab<6>[ 26.169462] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING ac1bf50 # [ 24.586562] RBP: ffffffff86acfe5f R08: 00000000000<6>[ 26.182309] lkdtm: attempting bad read from page below current stack 00000 R09: 0000000000000000 # [ 24.601073] R10: 00000000ffffe<0>[ 26.195933] BUG: stack guard page was hit at 00000000482bc7d8 (stack is 0000000081652149..000000002b56b4e5) <4>[ 26.213300] kernel stack overflow (page fault): 0000 [#3] SMP PTI 000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 24.615550<4>[ 26.220399] CPU: 1 PID: 1006 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 26.235550] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 26.242648] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a ] R13: ffff9748c15fbf10 R14: ffff9748c15fbf10 R15: ffff950a4595d<4>[ 26.249453] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 07 ad 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8f dd fb ff 48 c7 c7 98 07 ad 86 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 75 dd fb ff 0f 1f 44 <4>[ 26.276938] RSP: 0018:ffff9748c19dbe50 EFLAGS: 00010246 <4>[ 26.283063] RAX: 0000000000000038 RBX: ffff9748c19d8000 RCX: 0000000000000000 <4>[ 26.291324] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff86ad0798 <4>[ 26.299576] RBP: ffffffff86acfec2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 26.307834] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 26.316094] R13: ffff9748c19dbf10 R14: ffff9748c19dbf10 R15: ffff950a4332a000 <4>[ 26.324352] FS: 00007f3a0a21b740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 26.333680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 26.340388] CR2: ffff9748c19d7fff CR3: 0000000104640001 CR4: 00000000003706e0 <4>[ 26.348638] Call Trace: <4>[ 26.351656] <#DF> <4>[ 26.354188] ? __die_body.cold+0x1a/0x1f <4>[ 26.358856] ? die+0x2b/0x50 <4>[ 26.362360] ? handle_stack_overflow+0x3e/0x4d <4>[ 26.367610] ? no_context+0x24d/0x380 <4>[ 26.371986] 000 # [ 24.630059] FS: 00007f189a661740(0000) GS:ffff950abac<4>[ 26.374613] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 26.463188] ---[ end trace 73e88bf5ba8b16c5 ]--- 00000(0000) knlGS:0000000000000000 # [ 24.645626] CS: 0010 D<4>[ 26.468635] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 26.479514] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 26.500776] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 26.506899] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 26.515159] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 26.523429] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 26.531689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 26.539948] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 26.548206] FS: 00007f3a0a21b740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 26.557535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 26.564241] CR2: ffff9748c19d7fff CR3: 0000000104640001 CR4: 00000000003706e0 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 24.658546] CR2: 00007f189a640000 CR3: 0000000108728003 CR4: 00000000003706f0 # [ 24.673026] Call Trace: # [ 24.682268] ? __warn+0x80/0x110 # [ 24.692371] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 24.703872] ? report_bug+0x9e/0xc0 # [ 24.714290] ? handle_bug+0x41/0x90 # [ 24.724719] ? exc_invalid_op+0x14/0x70 # [ 24.735487] ? asm_exc_invalid_op+0x12/0x20 # [ 24.746670] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 24.758131] direct_entry.cold+0x2c/0x38 # [ 24.769028] full_proxy_write+0x53/0x80 # [ 24.779813] vfs_write+0xe7/0x3b0 # [ 24.790025] ksys_write+0x68/0xf0 # [ 24.800232] do_syscall_64+0x30/0x40 # [ 24.810741] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 24.8228<6>[ 26.641881] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 26.654492] lkdtm: attempting bad read from page above current stack 78] RIP: 0033:0x7f189a75c240 # [ 24.833390] Code: 40 00 48 8b<0>[ 26.661919] BUG: stack guard page was hit at 0000000033b8da2f (stack is 00000000464845e6..00000000021a4f89) <4>[ 26.679292] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 26.686389] CPU: 2 PID: 1040 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 26.695329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 26.702426] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 26.709328] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 07 ad 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 55 dd fb ff 48 c7 c7 10 08 ad 86 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 38 dd fb ff <4>[ 26.730598] RSP: 0018:ffff9748c1a53e50 EFLAGS: 00010246 <4>[ 26.736722] RAX: 0000000000000038 RBX: ffff9748c1a50000 RCX: 0000000000000000 <4>[ 26.744980] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: ffffffff86ad0810 <4>[ 26.753242] RBP: ffffffff86acfedb R08: 0000000000000000 R09: 0000000000000000 <4>[ 26.761500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 26.769762] R13: ffff9748c1a53f10 R14: ffff9748c1a53f10 R15: ffff950a4813b000 <4>[ 26.778024] FS: 00007fec29cc6740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 26.787344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 26.794050] CR2: ffff9748c1a54000 CR3: 0000000106556001 CR4: 00000000003706e0 <4>[ 26.802308] Call Trace: <4>[ 26.805326] <#DF> <4>[ 26.807860] ? __die_body.cold+0x1a/0x1f <4>[ 26.812531] ? die+0x2b/0x50 <4>[ 26.816033] ? handle_stack_overflow+0x3e/0x4d <4>[ 26.821283] ? no_context+0x24d/0x380 <4>[ 26.825657] 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[ 26.828284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 26.916890] ---[ end trace 73e88bf5ba8b16c6 ]--- <4>[ 26.922326] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 26.926993] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 26.948264] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 26.954389] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 26.962649] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 26.970908] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 26.979166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 26.987431] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 26.995689] FS: 00007fec29cc6740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 27.005016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 27.011723] CR2: ffff9748c1a54000 CR3: 0000000106556001 CR4: 00000000003706e0 <3>[ 27.019983] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 27.030184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1040, name: cat <4>[ 27.038929] INFO: lockdep is turned off. <4>[ 27.043597] irq event stamp: 0 <4>[ 27.047294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 27.054574] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 27.063991] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 27.073432] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 27.080722] CPU: 2 PID: 1040 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 27.089662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 27.096755] Call Trace: <4>[ 27.099773] dump_stack+0x77/0x9b <4>[ 27.103762] ___might_sleep.cold+0xa6/0xb6 <4>[ 27.108625] exit_signals+0x1c/0x300 <4>[ 27.112897] do_exit+0xc2/0xab0 <4>[ 27.116684] ? ksys_write+0x68/0xf0 <4>[ 27.120867] make_task_dead+0x2f/0x30 <4>[ 27.125243] rewind_stack_and_make_dead+0x17/0x20 <4>[ 27.130784] RIP: 0033:0x7fec29dc1240 <4>[ 27.135064] 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>[ 27.156336] RSP: 002b:00007ffcb36a9548 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 27.165084] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fec29dc1240 <4>[ 27.173344] RDX: 000000000000001a RSI: 00007fec29ca5000 RDI: 0000000000000001 <4>[ 27.181605] RBP: 000000000000001a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 27.189864] R10: 00007fec29ce24d0 R11: 0000000000000202 R12: 00007fec29ca5000 <4>[ 27.198124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 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 # [ 24.860870] RSP: 002b:00007ffebd70fce8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 24.875840] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f189a75c240 # [ 24.890335] RDX: 0000000000000010 RSI: 00007f189a640000 RDI: 0000000000000001 # [ 24.904821] RBP: 0000000000000010 R08: 00000000ffffffff R09: 0000000000000000 # [ 24.919287] R10: 00007f189a67d4d0 R11: 0000000000000202 R12: 00007f189a640000 # [ 24.933807] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 24.948316] irq event stamp: 0 # [ 24.958223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 24.971717] hardirqs last disabled at (0): [] copy_process+0x65c/0x20<6>[ 27.283570] lkdtm: Performing direct entry UNSET_SMEP <6>[ 27.293143] lkdtm: trying to clear SMEP normally <4>[ 27.298623] ------------[ cut here ]------------ <4>[ 27.304104] pinned CR4 bits changed: 0x100000!? <4>[ 27.309490] WARNING: CPU: 2 PID: 1077 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 e0 # [ 24.987360] softirqs last enabled at (0): [[ 27.320018] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 27.408629] CPU: 2 PID: 1077 Comm: cat Tainted: G D W 5.10.218-cip49 #1 cfde5c>] copy_process+0x65c/0x20e0 # [ 25.003049] softirqs la<4>[ 27.417598] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 27.430909] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 27.436389] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 27 63 46 03 00 75 f2 48 c7 c7 c0 d2 9c 86 c6 05 17 63 46 03 01 e8 a1 e2 14 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 27.457690] RSP: 0018:ffff9748c1ac3e48 EFLAGS: 00010286 st disabled at (0): [<0000000000000000>] 0x0 # [ 25.016539] -<4>[ 27.463846] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 27.478325] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 27.486619] RBP: ffffffff86acfef5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 27.494885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 27.503150] R13: ffff9748c1ac3f10 R14: ffff9748c1ac3f10 R15: ffff950a473af000 --[ end trace 73e88bf5ba8b16c3 ]--- # WARNING_MESSAGE: saw 'mes<4>[ 27.511445] FS: 00007f38f6e8f740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 27.526990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 sage trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # <4>[ 27.533725] CR2: 00007f38f6e6e000 CR3: 000000010333c001 CR4: 00000000003706e0 <4>[ 27.548200] Call Trace: <4>[ 27.551243] ? __warn+0x80/0x110 selftests: lkdtm: EXCEPTION.sh # Killed # [ 25.094554] lkdtm<4>[ 27.555145] ? native_write_cr4+0x45/0x60 : Performing direct entry EXCEPTION # [ 25.102445] BUG: kerne<4>[ 27.566127] ? report_bug+0x9e/0xc0 <4>[ 27.576529] ? handle_bug+0x41/0x90 <4>[ 27.580745] ? exc_invalid_op+0x14/0x70 <4>[ 27.585322] ? asm_exc_invalid_op+0x12/0x20 <4>[ 27.590315] ? native_write_cr4+0x45/0x60 <4>[ 27.595115] ? native_write_cr4+0x45/0x60 <4>[ 27.599910] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 27.605093] direct_entry.cold+0x2c/0x38 <4>[ 27.609768] full_proxy_write+0x53/0x80 <4>[ 27.614375] vfs_write+0xe7/0x3b0 <4>[ 27.618418] ksys_write+0x68/0xf0 l NULL pointer dereference, address: 0000000000000000 # [ 25.<4>[ 27.622418] do_syscall_64+0x30/0x40 <4>[ 27.632911] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 27.638846] RIP: 0033:0x7f38f6f8a240 <4>[ 27.643154] 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 110512] #PF: supervisor write access in kernel mode # [ 25.12<4>[ 27.664437] RSP: 002b:00007ffeffaf7b48 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 27.679402] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f38f6f8a240 <4>[ 27.687667] RDX: 000000000000000b RSI: 00007f38f6e6e000 RDI: 0000000000000001 <4>[ 27.695931] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 27.704196] R10: 00007f38f6eab4d0 R11: 0000000000000202 R12: 00007f38f6e6e000 <4>[ 27.712481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 27.720767] irq event stamp: 0 2847] #PF: error_code(0x0002) - not-present page # [ 25.12887<4>[ 27.724474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 27.737979] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 3] PGD 0 P4D 0 # [ 25.131981] Oops: 0002 [#2] SMP PTI # [ <4>[ 27.747441] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 27.763086] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 27.770378] ---[ end trace 73e88bf5ba8b16c7 ]--- <6>[ 27.775828] lkdtm: ok: SMEP did not get cleared <6>[ 27.781178] lkdtm: trying to clear SMEP with call gadget <6>[ 27.787403] lkdtm: ok: SMEP removal was reverted 25.136153] CPU: 2 PID: 773 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 25.144995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 25.152093] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 25.157342] Code: 48 c7 c7 b8 03 ad 86 8d 70 01 89 35 b1 0b eb 03 e8 16 04 69 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 25.178614] RSP: 0018:ffff9748c1673e60 EFLAGS: 00010282 # [ 25.184729] RAX: ffffffff847802d0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 25.192991] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: ffffffff86640700 # [ 25.201250] RBP: ffffffff869c321f R08: 0000000000000000 R09: 0000000000000000 # [ 25.209511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ <6>[ 27.871070] lkdtm: Performing direct entry DOUBLE_FAULT 25.217770] R13: ffff9748c1673f10 R14: ffff9748c1673f10 R15: ffff<3>[ 27.879841] lkdtm: XFAIL: this test is ia32-only 950a42763000 # [ 25.226029] FS: 00007f73f03cd740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 25.235359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.242065] CR2: 0000000000000000 CR3: 000000010675e002 CR4: 00000000003706e0 # [ 25.250315] Call Trace: # [ 25.253335] ? __die_body.cold+0x1a/0x1f # [ 25.258004] ? no_context+0x177/0x380 # [ 25.262383] ? exc_page_fault+0x53/0x170 # [ 25.267050] ? asm_exc_page_fault+0x1e/0x30 # [ 25.272011] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 25.277262] ? lkdtm_EXCEPTION+0x5/0x20 # [ 25.281824] direct_entry.cold+0x2c/0x38 # [ 25.286487] full_proxy_write+0x53/0x80 # [ 25.291057] vfs_write+0xe7/<6>[ 27.958024] lkdtm: Performing direct entry CORRUPT_PAC 0x3b0 # [ 25.295036] ksys_write+0x68/0xf0 # [ 25.299025] <3>[ 27.965902] lkdtm: XFAIL: this test is arm64-only do_syscall_64+0x30/0x40 # [ 25.303296] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 25.309218] RIP: 0033:0x7f73f04c8240 # [ 25.313498] 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 # [ 25.334769] RSP: 002b:00007ffd2a2d5278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 25.343516] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73f04c8240 # [ 25.351774] RDX: 000000000000000a RSI: 00007f73f03ac000 RDI: 0000000000000001 # [ 25.360033] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 25.368291]<6>[ 28.042390] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE R10: 00007f73f03e94d0 R11: 0000000000000202 R12: 00007f73f03ac0<3>[ 28.053515] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 00 # [ 25.376550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 25.384813] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 25.473431] CR2: 0000000000000000 # [ 25.477434] ---[ end trace 73e88bf5ba8b16c4 ]--- # [ 25.482878] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 25.487544] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 25.508817] RSP: 0018:ffff9748c1493e60 EFLAG<6>[ 28.191962] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 28.204529] lkdtm: Value in memory before free: 12345678 <6>[ 28.210784] lkdtm: Attempting bad read from freed memory <6>[ 28.217009] lkdtm: Memory was not poisoned S: 00010282 # [ 25.514941] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 25.523203] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 25.531464] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 25.539767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 25.548027] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 25.556286] FS: 00007f73f03cd740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 25.565616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 25.572323] CR2: 0000000000000000 CR3: 000000010675e002 CR4: 00000000003706e0 # [ 25.580583] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 25.590779] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 773, name: cat # [ 25.599429] INFO: lockdep is turned off. # [ 25.604096] irq event stamp: 0 # [ 25.607790] hardirqs last enabled at (0): [<0000000000000000>]<6>[ 28.316886] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 0x0 # [ 25.615080] hardirqs last disabled at (0): [[ 28.328385] lkdtm: Value in memory before free: 12345678 83cfde5c>] copy_process+0x65c/0x20e0 # [ 25.624497] softirqs <6>[ 28.340817] lkdtm: Attempting to read from freed memory <6>[ 28.353136] lkdtm: Buddy page was not poisoned last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 25.633921] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 25.641210] CPU: 2 PID: 773 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 25.650053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 25.657149] Call Trace: # [ 25.660166] dump_stack+0x77/0x9b # [ 25.664155] ___might_sleep.cold+0xa6/0xb6 # [ 25.669009] exit_signals+0x1c/0x300 # [ 25.673280] do_exit+0xc2/0xab0 # [ 25.677074] ? ksys_write+0x68/0xf0 # [ 25.681257] make_task_dead+0x2f/0x30 # [ 25.685625] rewind_stack_and_make_dead+0x17/0x20 # [ 25.691165] RIP: 0033:0x7f73f04c8240 # [ 25.695445] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff <6>[ 28.427586] lkdtm: Performing direct entry SLAB_FREE_DOUBLE ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 0<6>[ 28.439532] lkdtm: Attempting double slab free ... 0 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 25.716715] RSP: 002b:00007ffd2a2d5278 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 25.725460] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f73f04c8240 # [ 25.733741] RDX: 000000000000000a RSI: 00007f73f03ac000 RDI: 0000000000000001 # [ 25.742001] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 # [ 25.750261] R10: 00007f73f03e94d0 R11: 0000000000000202 R12: 00007f73f03ac000 # [ 25.758520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP:<6>[ 28.514634] lkdtm: Performing direct entry SLAB_FREE_CROSS Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # self<6>[ 28.526163] lkdtm: Attempting cross-cache slab free ... tests: 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 # [ 25.956979] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 25.966017] lkdtm: attempting good list addition # [ 25.977707] lkdtm: attempting corrupted list addition # [ 25.989859] lkdtm: list_add() <6>[ 28.602328] lkdtm: Performing direct entry SLAB_FREE_PAGE corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add <6>[ 28.613212] lkdtm: Attempting non-Slab slab free ... corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 26.064760] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 26.076968] lkdtm: attempting good list removal # [ 26.082328] lkdtm: attempting corrupted list removal # [ 26.094371] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 26.169462] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 26.182309] lkdtm: attempting bad read from page below current stack # [ 26.195933] BUG: stack guard page was hit at 00000000482bc7d8 (stack is 0000000081652149..000000002b56b4e5) # [ 26.213300] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 26.220399] CPU: 1 PID: 1006 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 26.235550] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 26.242648] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 26.249453] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 58 07 ad 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 8f dd fb ff 48 c7 c7 98 07 ad 86 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 75 dd fb ff 0f 1f 44 # [ 26.276938] RSP: 0018:ffff9748c19dbe50 EFLAGS: 00010246 # [ 26.283063] RAX: 0000000000000038 RBX: ffff9748c19d8000 RCX: 0000000000000000 # [ 26.291324] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff86ad0798 # [ 26.299576] RBP: ffffffff86acfec2 R08: 0000000000000000 R09: 0000000000000000 # [ 26.307834] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 26.316094] R13: ffff9748c19dbf10 R14: ffff9748c19dbf10 R15: ffff950a4332a000 # [ 26.324352] FS: 00007f3a0a21b740(00<6>[ 28.800442] lkdtm: Performing direct entry EXEC_DATA <6>[ 28.811305] lkdtm: attempting ok execution at ffffffff84780640 <6>[ 28.818147] lkdtm: attempting bad execution at ffffffff88630ea0 <2>[ 28.825086] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 00) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 26.3<1>[ 28.833760] BUG: unable to handle page fault for address: ffffffff88630ea0 <1>[ 28.847941] #PF: supervisor instruction fetch in kernel mode <1>[ 28.854549] #PF: error_code(0x0011) - permissions violation <6>[ 28.861061] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 800000017a4000e3 <4>[ 28.869130] Oops: 0011 [#5] SMP PTI <4>[ 28.873312] CPU: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 28.882252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.889349] RIP: 0010:data_area+0x0/0x40 <4>[ 28.894016] Code: ff ff 00 19 33 45 0a 95 ff ff 00 18 33 45 0a 95 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>[ 28.915277] RSP: 0018:ffff9748c238be48 EFLAGS: 00010246 <4>[ 28.921402] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.929685] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 28.937944] RBP: ffffffff88630ea0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 28.946205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 28.954481] R13: ffff9748c238bf10 R14: ffff9748c238bf10 R15: ffff950a48287000 <4>[ 28.962741] FS: 00007ff49e2c6740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 28.972067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.978772] CR2: ffffffff88630ea0 CR3: 00000001052f8001 CR4: 00000000003706e0 <4>[ 28.987029] Call Trace: <4>[ 28.990049] ? __die_body.cold+0x1a/0x1f <4>[ 28.994717] ? no_context+0x177/0x380 <4>[ 28.999096] ? exc_page_fault+0xd7/0x170 <4>[ 29.003764] ? asm_exc_page_fault+0x1e/0x30 <4>[ 29.008717] ? execute_location+0x45/0x56 <4>[ 29.013488] ? direct_entry.cold+0x2c/0x38 <4>[ 29.018353] ? full_proxy_write+0x53/0x80 <4>[ 29.023119] ? vfs_write+0xe7/0x3b0 <4>[ 29.027300] ? ksys_write+0x68/0xf0 <4>[ 29.031488] ? do_syscall_64+0x30/0x40 <4>[ 29.035962] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 33680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 29.042089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 29.130687] CR2: ffffffff88630ea0 <4>[ 29.134675] ---[ end trace 73e88bf5ba8b16c8 ]--- <4>[ 29.140121] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.144789] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 29.166050] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 29.172174] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.180434] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 29.188685] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.196944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.205202] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 29.213475] FS: 00007ff49e2c6740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 29.222825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.229531] CR2: ffffffff88630ea0 CR3: 00000001052f8001 CR4: 00000000003706e0 <3>[ 29.237791] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 29.247992] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1600, name: cat <4>[ 29.256737] INFO: lockdep is turned off. <4>[ 29.261403] irq event stamp: 0 <4>[ 29.265122] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 29.272429] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 26.340388] CR2: ffff9748c19d7fff CR3: 0000000104640001 CR4: 0000<4>[ 29.281853] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 29.297489] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 29.304779] CPU: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 29.313708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.320801] Call Trace: <4>[ 29.323822] dump_stack+0x77/0x9b <4>[ 29.327811] ___might_sleep.cold+0xa6/0xb6 <4>[ 29.332673] exit_signals+0x1c/0x300 <4>[ 29.336954] do_exit+0xc2/0xab0 <4>[ 29.340749] ? ksys_write+0x68/0xf0 <4>[ 29.344922] make_task_dead+0x2f/0x30 <4>[ 29.349291] rewind_stack_and_make_dead+0x17/0x20 <4>[ 29.354831] RIP: 0033:0x7ff49e3c1240 <4>[ 29.359111] 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>[ 29.380381] RSP: 002b:00007ffdcdb264e8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 29.389128] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff49e3c1240 <4>[ 29.397387] RDX: 000000000000000a RSI: 00007ff49e2a5000 RDI: 0000000000000001 <4>[ 29.405643] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 29.413900] R10: 00007ff49e2e24d0 R11: 0000000000000202 R12: 00007ff49e2a5000 <4>[ 29.422160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0000003706e0 # [ 26.348638] Call Trace: # [ 26.351656] <#DF> # [ 26.354188] ? __die_body.cold+0x1a/0x1f # [ 26.358856] ? die+0x2b/0x50 # [ 26.362360] ? handle_stack_overflow+0x3e/0x4d # [ 26.367610] ? no_context+0x24d/0x380 # [ 26.371986] # [ 26.374613] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmae<6>[ 29.523351] lkdtm: Performing direct entry EXEC_STACK <6>[ 29.529628] lkdtm: attempting ok execution at ffffffff84780640 ngine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunr<6>[ 29.536447] lkdtm: attempting bad execution at ffff9748c240be18 <2>[ 29.549561] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 29.558241] BUG: unable to handle page fault for address: ffff9748c240be18 <1>[ 29.566210] #PF: supervisor instruction fetch in kernel mode <1>[ 29.572819] #PF: error_code(0x0011) - permissions violation <6>[ 29.579331] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1064df067 PTE 8000000104e57063 <4>[ 29.588664] Oops: 0011 [#6] SMP PTI <4>[ 29.592837] CPU: 2 PID: 1638 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 29.601767] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.608862] RIP: 0010:0xffff9748c240be18 <4>[ 29.613520] Code: 00 00 18 be 40 c2 48 97 ff ff 7b 87 e5 84 ff ff ff ff 20 00 00 00 00 00 00 00 1e 00 ad 86 ff ff ff ff aa 88 e5 84 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>[ 29.634782] RSP: 0018:ffff9748c240bdf8 EFLAGS: 00010246 <4>[ 29.640906] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.649164] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 29.657441] RBP: ffff9748c240be18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 29.665699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 29.673959] R13: ffff9748c240bf10 R14: ffff9748c240bf10 R15: ffff950a42987000 <4>[ 29.682217] FS: 00007f2b52a3b740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 29.691544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.698251] CR2: ffff9748c240be18 CR3: 0000000106422002 CR4: 00000000003706e0 <4>[ 29.706509] Call Trace: <4>[ 29.709528] ? __die_body.cold+0x1a/0x1f <4>[ 29.714197] ? no_context+0x177/0x380 <4>[ 29.718575] ? exc_page_fault+0xd7/0x170 <4>[ 29.723243] ? asm_exc_page_fault+0x1e/0x30 <4>[ 29.728207] ? execute_location+0x45/0x56 <4>[ 29.732971] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 29.737729] ? direct_entry.cold+0x2c/0x38 <4>[ 29.742592] ? full_proxy_write+0x53/0x80 <4>[ 29.747357] ? vfs_write+0xe7/0x3b0 <4>[ 29.751540] ? ksys_write+0x68/0xf0 <4>[ 29.755722] ? do_syscall_64+0x30/0x40 <4>[ 29.760186] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 isepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_k<4>[ 29.766305] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 29.854905] CR2: ffff9748c240be18 <4>[ 29.858892] ---[ end trace 73e88bf5ba8b16c9 ]--- <4>[ 29.864337] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.869003] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 29.890273] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 29.896395] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.904653] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 29.912912] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.921170] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.929432] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 29.937692] FS: 00007f2b52a3b740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 29.947018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.953725] CR2: ffff9748c240be18 CR3: 0000000106422002 CR4: 00000000003706e0 bd_led_backlight coreboot_table # [ 26.463188] ---[ end trace 73e88bf5ba8b16c5 ]--- # [ 26.468635] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 26.479514] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 26.500776] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 26.506899] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 26.515159] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 26.523429] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 26.531689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 26.539948] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 26.548206] FS: 00007f3a0a21b740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 26.557535] CS: 0010 DS:<6>[ 30.053551] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 30.061378] lkdtm: attempting ok execution at ffffffff84780640 <6>[ 30.068188] lkdtm: attempting bad execution at ffff950a48665cc0 <2>[ 30.075144] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0000 ES: 0000 CR0: 0000000080050033 # [ 26.564241] CR2: ffff<1>[ 30.083801] BUG: unable to handle page fault for address: ffff950a48665cc0 <1>[ 30.097984] #PF: supervisor instruction fetch in kernel mode <1>[ 30.104585] #PF: error_code(0x0011) - permissions violation <6>[ 30.111097] PGD 17a601067 P4D 17a601067 PUD 100881063 PMD 108629063 PTE 8000000108665063 <4>[ 30.120432] Oops: 0011 [#7] SMP PTI <4>[ 30.124614] CPU: 2 PID: 1675 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 30.133553] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.140648] RIP: 0010:0xffff950a48665cc0 <4>[ 30.145315] Code: 00 00 02 00 00 00 00 00 00 00 c0 51 66 48 0a 95 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b fa cf 83 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>[ 30.166580] RSP: 0018:ffff9748c249be38 EFLAGS: 00010246 <4>[ 30.172702] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.180962] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 30.189222] RBP: ffff950a48665cc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.197486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 30.205745] R13: ffff9748c249bf10 R14: ffff9748c249bf10 R15: ffff950a43303000 <4>[ 30.214005] FS: 00007fbd249d1740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 30.223333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.230038] CR2: ffff950a48665cc0 CR3: 0000000108582005 CR4: 00000000003706e0 <4>[ 30.238297] Call Trace: <4>[ 30.241316] ? __die_body.cold+0x1a/0x1f <4>[ 30.245984] ? no_context+0x177/0x380 <4>[ 30.250354] ? exc_page_fault+0xd7/0x170 <4>[ 30.255021] ? asm_exc_page_fault+0x1e/0x30 <4>[ 30.259976] ? execute_location+0x45/0x56 <4>[ 30.264739] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 30.269697] ? direct_entry.cold+0x2c/0x38 <4>[ 30.274560] ? full_proxy_write+0x53/0x80 <4>[ 30.279327] ? vfs_write+0xe7/0x3b0 <4>[ 30.283509] ? ksys_write+0x68/0xf0 <4>[ 30.287692] ? do_syscall_64+0x30/0x40 <4>[ 30.292164] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 9748c19d7fff CR3: 0000000104640001 CR4: 00000000003706e0 # STAC<4>[ 30.298289] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 30.386886] CR2: ffff950a48665cc0 <4>[ 30.390866] ---[ end trace 73e88bf5ba8b16ca ]--- <4>[ 30.396311] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.400977] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 30.422248] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 30.428371] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.436631] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 30.444891] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.453149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.461430] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 30.469689] FS: 00007fbd249d1740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 30.479014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.485719] CR2: ffff950a48665cc0 CR3: 0000000108582005 CR4: 00000000003706e0 <3>[ 30.493979] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 30.504181] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1675, name: cat <4>[ 30.512925] INFO: lockdep is turned off. <4>[ 30.517592] irq event stamp: 0 <4>[ 30.521289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.528568] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 30.537991] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 30.547432] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.554720] CPU: 2 PID: 1675 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 30.563659] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.570752] Call Trace: <4>[ 30.573770] dump_stack+0x77/0x9b <4>[ 30.577759] ___might_sleep.cold+0xa6/0xb6 <4>[ 30.582622] exit_signals+0x1c/0x300 <4>[ 30.586902] do_exit+0xc2/0xab0 <4>[ 30.590688] ? ksys_write+0x68/0xf0 <4>[ 30.594868] make_task_dead+0x2f/0x30 <4>[ 30.599244] rewind_stack_and_make_dead+0x17/0x20 <4>[ 30.604786] RIP: 0033:0x7fbd24acc240 <4>[ 30.609065] 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>[ 30.630328] RSP: 002b:00007ffffe638c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 30.639075] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fbd24acc240 <4>[ 30.647334] RDX: 000000000000000d RSI: 00007fbd249b0000 RDI: 0000000000000001 <4>[ 30.655593] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 <4>[ 30.663853] R10: 00007fbd249ed4d0 R11: 0000000000000202 R12: 00007fbd249b0000 <4>[ 30.672112] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 K_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 # [ 26.641881] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 26.654492] lkdtm: attempting bad read from page above current stack # [ 26.661919] BUG: stack guard page was hit at 0000000033b8da2f (stack is 00000000464845e6..00000000021a4f89) # [ 26.679292] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 26.686389] CPU: 2 PID: 1040 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 26.695329] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 26.702426] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 26.709328] Code: dd fb ff 0f 1f 44 00 00 53 48 c7 c7 d0 07 ad 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 55 dd fb ff 48 c7 c7 10 08 ad 86 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 38 dd fb ff # [ 26.730598] RSP: 0018:ffff9748c1a53e50 EFLAGS: 00010246 # [ <6>[ 30.775559] lkdtm: Performing direct entry EXEC_VMALLOC 26.736722] RAX: 0000000000000038 RBX: ffff9748c1a50000 RCX: 000<6>[ 30.786034] lkdtm: attempting ok execution at ffffffff84780640 0000000000000 # [ 26.744980] RDX: 0000000000000000 RSI: ffff9<6>[ 30.799052] lkdtm: attempting bad execution at ffff9748c03ad000 50abad1bf50 RDI: ffffffff86ad0810 # [ 26.753242] RBP: fffffff<2>[ 30.812169] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 30.826989] BUG: unable to handle page fault for address: ffff9748c03ad000 <1>[ 30.834959] #PF: supervisor instruction fetch in kernel mode <1>[ 30.841567] #PF: error_code(0x0011) - permissions violation <6>[ 30.848078] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1009ba067 PTE 80000001031cc063 <4>[ 30.857432] Oops: 0011 [#8] SMP PTI <4>[ 30.861605] CPU: 0 PID: 1712 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 30.870543] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.877639] RIP: 0010:0xffff9748c03ad000 <4>[ 30.882307] Code: Unable to access opcode bytes at RIP 0xffff9748c03acfd6. <4>[ 30.890266] RSP: 0018:ffff9748c254be38 EFLAGS: 00010246 <4>[ 30.896390] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.904650] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 <4>[ 30.912908] RBP: ffff9748c03ad000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.921167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 30.929432] R13: ffff9748c254bf10 R14: ffff9748c254bf10 R15: ffff950a431cc000 <4>[ 30.937692] FS: 00007fa84495c740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 30.947018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.953725] CR2: ffff9748c03acfd6 CR3: 0000000106740002 CR4: 00000000003706f0 <4>[ 30.961985] Call Trace: <4>[ 30.965005] ? __die_body.cold+0x1a/0x1f <4>[ 30.969670] ? no_context+0x177/0x380 <4>[ 30.974055] ? exc_page_fault+0xd7/0x170 <4>[ 30.978727] ? asm_exc_page_fault+0x1e/0x30 <4>[ 30.983690] ? execute_location+0x45/0x56 <4>[ 30.988466] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 30.993437] ? direct_entry.cold+0x2c/0x38 <4>[ 30.998301] ? full_proxy_write+0x53/0x80 <4>[ 31.003075] ? vfs_write+0xe7/0x3b0 <4>[ 31.007257] ? ksys_write+0x68/0xf0 <4>[ 31.011436] ? do_syscall_64+0x30/0x40 <4>[ 31.015909] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 31.022036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 31.104434] CR2: ffff9748c03ad000 <4>[ 31.108433] ---[ end trace 73e88bf5ba8b16cb ]--- <4>[ 31.113878] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.118537] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 31.139807] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 31.145931] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.154190] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 31.162448] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 31.170707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.178966] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 31.187227] FS: 00007fa84495c740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 31.196555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.203261] CR2: ffff9748c03acfd6 CR3: 0000000106740002 CR4: 00000000003706f0 f86acfedb R08: 0000000000000000 R09: 0000000000000000 # [ 26.761500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 26.769762] R13: ffff9748c1a53f10 R14: ffff9748c1a53f10 R15: ffff950a4813b000 # [ 26.778024] FS: 00007fec29cc6740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 26.787344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 26.794050] CR2: ffff9748c1a54000 CR3: 0000000106556001 CR4: 00000000003706e0 # [ 26.802308] Call Trace: # [ 26.805326] <#DF> # [ 26.807860] ? __die_body.cold+0x1a/0x1f # [ 26.812531] ? die+0x2b/0x50 # [ 26.816033] ? handle_stack_overflow+0x3e/0x4d # [ 26.821283] ? no_context+0x24d/0x380 # [ 26.825657] # [ 26.828284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_log<6>[ 31.310326] lkdtm: Performing direct entry EXEC_RODATA ger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc<6>[ 31.317017] lkdtm: attempting ok execution at ffffffff84780640 _core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo pro<6>[ 31.330030] lkdtm: attempting bad execution at ffffffff86640b60 cessor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf video<2>[ 31.343149] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 31.358008] BUG: unable to handle page fault for address: ffffffff86640b60 <1>[ 31.365977] #PF: supervisor instruction fetch in kernel mode <1>[ 31.372586] #PF: error_code(0x0011) - permissions violation <6>[ 31.379098] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 80000001784000e1 buf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_tem<4>[ 31.387167] Oops: 0011 [#9] SMP PTI <4>[ 31.397563] CPU: 1 PID: 1749 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 31.406492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.413590] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 p_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_<4>[ 31.419620] Code: ff ff 1a 9d e5 84 ff ff ff ff 6a 02 ad 86 ff ff ff ff 60 84 e5 84 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>[ 31.447101] RSP: 0018:ffff9748c25e3e48 EFLAGS: 00010246 <4>[ 31.453226] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 31.461492] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 <4>[ 31.469752] RBP: ffffffff86640b60 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.478010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 31.486270] R13: ffff9748c25e3f10 R14: ffff9748c25e3f10 R15: ffff950a464f6000 <4>[ 31.494531] FS: 00007f482e471740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 31.503849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.510556] CR2: ffffffff86640b60 CR3: 0000000107244003 CR4: 00000000003706e0 <4>[ 31.518815] Call Trace: <4>[ 31.521836] ? __die_body.cold+0x1a/0x1f common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_<4>[ 31.526505] ? no_context+0x177/0x380 <4>[ 31.537096] ? exc_page_fault+0xd7/0x170 pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinc<4>[ 31.541765] ? asm_exc_page_fault+0x1e/0x30 tr[ 31.552940] ? execute_location+0x45/0x56 <4>[ 31.563922] ? direct_entry.cold+0x2c/0x38 <4>[ 31.568785] ? full_proxy_write+0x53/0x80 e cros_kbd_led_backlight coreboot_table # [ 26.916890] ---[ e<4>[ 31.573552] ? vfs_write+0xe7/0x3b0 <4>[ 31.583945] ? ksys_write+0x68/0xf0 <4>[ 31.588118] ? do_syscall_64+0x30/0x40 <4>[ 31.592591] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 nd trace 73e88bf5ba8b16c6 ]--- # [ 26.922326] RIP: 0010:lkdtm<4>[ 31.598709] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 31.687277] CR2: ffffffff86640b60 <4>[ 31.691255] ---[ end trace 73e88bf5ba8b16cc ]--- <4>[ 31.696700] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.701368] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 31.722639] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 31.728762] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.737022] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 31.745281] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 31.753541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.761800] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 31.770060] FS: 00007f482e471740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 31.779387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.786093] CR2: ffffffff86640b60 CR3: 0000000107244003 CR4: 00000000003706e0 <3>[ 31.794354] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 31.804557] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1749, name: cat <4>[ 31.813294] INFO: lockdep is turned off. <4>[ 31.817959] irq event stamp: 0 <4>[ 31.821656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 31.828938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 31.838363] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 31.847787] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 31.855076] CPU: 1 PID: 1749 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 31.864006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.871100] Call Trace: <4>[ 31.874119] dump_stack+0x77/0x9b _BUG+0x5/0x10 # [ 26.926993] Code: 89 ff e8 de ab 79 ff 48 c7<4>[ 31.878108] ___might_sleep.cold+0xa6/0xb6 <4>[ 31.889183] exit_signals+0x1c/0x300 <4>[ 31.893462] do_exit+0xc2/0xab0 <4>[ 31.897279] ? ksys_write+0x68/0xf0 <4>[ 31.901454] make_task_dead+0x2f/0x30 <4>[ 31.905831] rewind_stack_and_make_dead+0x17/0x20 <4>[ 31.911372] RIP: 0033:0x7f482e56c240 <4>[ 31.915651] 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>[ 31.936913] RSP: 002b:00007ffccba0fa08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 31.945649] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f482e56c240 <4>[ 31.953909] RDX: 000000000000000c RSI: 00007f482e450000 RDI: 0000000000000001 <4>[ 31.962167] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 31.970432] R10: 00007f482e48d4d0 R11: 0000000000000202 R12: 00007f482e450000 <4>[ 31.978692] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 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 e0 0b eb 03 # [ 26.948264] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 26.954389] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 26.962649] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 26.970908] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 26.979166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 26.987431] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 26.995689] FS: 00007fec29cc6740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 27.005016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.011723] CR2: ffff9748c1a54000 CR3: 0000000106556001 CR4: 00000000003706e0 # [ 27.019983] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 27.030184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1040, name: ca<6>[ 32.091321] lkdtm: Performing direct entry EXEC_USERSPACE t # [ 27.038929] INFO: lockdep is turned off. # [ 27.04359<6>[ 32.098987] lkdtm: attempting ok execution at ffffffff84780640 7] irq event stamp: 0 # [ 27.047294] hardirqs last enabled a<6>[ 32.112057] lkdtm: attempting bad execution at 00007fc12883b000 t (0): [<0000000000000000>] 0x0 # [ 27.054574] hardirqs last <2>[ 32.125176] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 32.138055] BUG: unable to handle page fault for address: 00007fc12883b000 <1>[ 32.146024] #PF: supervisor instruction fetch in kernel mode <1>[ 32.152624] #PF: error_code(0x0011) - permissions violation <6>[ 32.159134] PGD 8000000106642067 P4D 8000000106642067 PUD 102a26067 PMD 106ec7067 PTE 10ce04067 <4>[ 32.169150] Oops: 0011 [#10] SMP PTI <4>[ 32.173432] CPU: 0 PID: 1786 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 32.182372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.189476] RIP: 0010:0x7fc12883b000 <4>[ 32.193754] Code: Unable to access opcode bytes at RIP 0x7fc12883afd6. <4>[ 32.201334] RSP: 0018:ffff9748c268be50 EFLAGS: 00010246 <4>[ 32.207449] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 32.215708] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 <4>[ 32.223966] RBP: 00007fc12883b000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.232225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 32.240483] R13: ffff9748c268bf10 R14: ffff9748c268bf10 R15: ffff950a42989000 <4>[ 32.248743] FS: 00007fc128654740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 32.258070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.264775] CR2: 00007fc12883b000 CR3: 0000000104036003 CR4: 00000000003706f0 <4>[ 32.273034] Call Trace: <4>[ 32.276053] ? __die_body.cold+0x1a/0x1f <4>[ 32.280728] ? no_context+0x177/0x380 <4>[ 32.285113] ? exc_page_fault+0x53/0x170 <4>[ 32.289785] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.294748] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 32.300390] ? direct_entry.cold+0x2c/0x38 <4>[ 32.305252] ? full_proxy_write+0x53/0x80 <4>[ 32.310024] ? vfs_write+0xe7/0x3b0 <4>[ 32.314205] ? ksys_write+0x68/0xf0 <4>[ 32.318389] ? do_syscall_64+0x30/0x40 <4>[ 32.322861] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 32.328988] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 32.411379] CR2: 00007fc12883b000 <4>[ 32.415366] ---[ end trace 73e88bf5ba8b16cd ]--- <4>[ 32.420810] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.425478] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 32.446740] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 32.452864] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.461122] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 32.469383] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.477642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.485901] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 32.494160] FS: 00007fc128654740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 32.503488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.510193] CR2: 00007fc12883b000 CR3: 0000000104036003 CR4: 00000000003706f0 disabled at (0): [] copy_process+0x65c/0x20e0 # [ 27.063991] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 27.073432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 27.080722] CPU: 2 PID: 1040 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 27.089662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 27.096755] Call Trace: # [ 27.099773] dump_stack+0x77/0x9b # [ 27.103762] ___might_sleep.cold+0xa6/0xb6 # [ 27.108625] exit_signals+0x1c/0x300 # [ 27.112897] do_exit+0xc2/0xab0 # [ 27.116684] ? ksys_write+0x68/0xf0 # [ 27.120867] make_task_dead+0x2f/0x30 # [ 27.125243] rewind_stack_and_make_dead+0x17/0x20 # [ 27.130784] RIP: 0033:0x7fec29dc1240 # [ 27.135064] 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 <6>[ 32.604276] lkdtm: Performing direct entry EXEC_NULL 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3<6>[ 32.611381] lkdtm: attempting ok execution at ffffffff84780640 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 27.156336] RSP: 0<6>[ 32.624425] lkdtm: attempting bad execution at 0000000000000000 02b:00007ffcb36a9548 EFLAGS: 00000202 ORIG_RAX: 0000000000000001<1>[ 32.637539] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 32.651783] #PF: supervisor instruction fetch in kernel mode <1>[ 32.658383] #PF: error_code(0x0010) - not-present page <6>[ 32.664429] PGD 0 P4D 0 <4>[ 32.667544] Oops: 0010 [#11] SMP PTI <4>[ 32.671824] CPU: 0 PID: 1824 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 32.680763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.687859] RIP: 0010:0x0 <4>[ 32.691072] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 32.699039] RSP: 0018:ffff9748c2703e48 EFLAGS: 00010246 <4>[ 32.705162] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 32.713430] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 <4>[ 32.721690] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.729950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 32.738209] R13: ffff9748c2703f10 R14: ffff9748c2703f10 R15: ffff950a4277c000 <4>[ 32.746475] FS: 00007fcf2af58740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 32.755803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.762509] CR2: ffffffffffffffd6 CR3: 00000001009e2002 CR4: 00000000003706f0 <4>[ 32.770768] Call Trace: <4>[ 32.773789] ? __die_body.cold+0x1a/0x1f <4>[ 32.778481] ? no_context+0x177/0x380 <4>[ 32.782865] ? exc_page_fault+0x53/0x170 <4>[ 32.787537] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.792501] execute_location+0x45/0x56 <4>[ 32.797068] direct_entry.cold+0x2c/0x38 <4>[ 32.801738] full_proxy_write+0x53/0x80 <4>[ 32.806317] vfs_write+0xe7/0x3b0 <4>[ 32.810310] ksys_write+0x68/0xf0 <4>[ 32.814291] do_syscall_64+0x30/0x40 <4>[ 32.818571] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 32.824492] RIP: 0033:0x7fcf2b053240 <4>[ 32.828771] 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>[ 32.850042] RSP: 002b:00007ffde713f0b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 32.858788] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcf2b053240 <4>[ 32.867047] RDX: 000000000000000a RSI: 00007fcf2af37000 RDI: 0000000000000001 <4>[ 32.875307] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 32.883566] R10: 00007fcf2af744d0 R11: 0000000000000202 R12: 00007fcf2af37000 <4>[ 32.891825] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 32.900087] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 32.982481] CR2: 0000000000000000 <4>[ 32.986460] ---[ end trace 73e88bf5ba8b16ce ]--- <4>[ 32.991897] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.996565] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 33.017836] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 33.023959] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.032219] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 33.040478] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.048736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.056996] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 33.065255] FS: 00007fcf2af58740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 33.074582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.081287] CR2: ffffffffffffffd6 CR3: 00000001009e2002 CR4: 00000000003706f0 <3>[ 33.089547] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 33.099750] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1824, name: cat <4>[ 33.108486] INFO: lockdep is turned off. <4>[ 33.113153] irq event stamp: 0 <4>[ 33.116850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.124140] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.133567] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.142991] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.150281] CPU: 0 PID: 1824 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 33.159220] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.166313] Call Trace: <4>[ 33.169333] dump_stack+0x77/0x9b <4>[ 33.173328] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.178192] exit_signals+0x1c/0x300 <4>[ 33.182476] do_exit+0xc2/0xab0 <4>[ 33.186271] ? ksys_write+0x68/0xf0 <4>[ 33.190455] make_task_dead+0x2f/0x30 <4>[ 33.194833] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.200373] RIP: 0033:0x7fcf2b053240 <4>[ 33.204653] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 33.225926] RSP: 002b:00007ffde713f0b8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 33.234664] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fcf2b053240 <4>[ 33.242914] RDX: 000000000000000a RSI: 00007fcf2af37000 RDI: 0000000000000001 <4>[ 33.251174] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 <4>[ 33.259433] R10: 00007fcf2af744d0 R11: 0000000000000202 R12: 00007fcf2af37000 <4>[ 33.267692] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 27.165084] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fec29dc1240 # [ 27.173344] RDX: 000000000000001a RSI: 00007fec29ca5000 RDI: 0000000000000001 # [ 27.181605] RBP: 000000000000001a R08: 00000000ffffffff R09: 0000000000000000 # [ 27.189864] R10: 00007fec29ce24d0 R11: 0000000000000202 R12: 00007fec29ca5000 # [ 27.198124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 27.283570] lkdtm: Performing direct entry UNSET_SMEP # [ 27.293143] lkdtm: trying to clear SMEP normally # [ 27.298623] ------------[ cut here ]------------ # [ 27.304104] pinned CR4 bits changed: 0x100000!? # [ 27.309490] WARNING: CPU: 2 PID: 1077 at arch/x86/kernel/cpu/common.c:396 native_write_cr4+0x45/0x60 # [ 27.320018] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_b<6>[ 33.371219] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 33.381953] lkdtm: attempting bad read at 00007f3e600ee000 uffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_<1>[ 33.388390] BUG: unable to handle page fault for address: 00007f3e600ee000 <1>[ 33.402556] #PF: supervisor read access in kernel mode <1>[ 33.408585] #PF: error_code(0x0001) - permissions violation <6>[ 33.415097] PGD 8000000108398067 P4D 8000000108398067 PUD 108595067 PMD 10853c067 PTE 10a94e067 <4>[ 33.425108] Oops: 0001 [#12] SMP PTI <4>[ 33.429387] CPU: 3 PID: 1860 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 33.438319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.445436] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 33.451949] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 88 0f ad 86 e8 c9 d6 fb ff 48 c7 c7 b0 0f ad 86 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 b0 d6 fb ff 48 89 ee 48 c7 c7 d8 0f ad <4>[ 33.473213] RSP: 0018:ffff9748c278be48 EFLAGS: 00010246 <4>[ 33.479329] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 33.487587] RDX: 0000000000000000 RSI: ffff950abad9bf50 RDI: ffffffff86ad0fb0 <4>[ 33.495847] RBP: 00007f3e600ee000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.504106] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 33.512365] R13: ffff9748c278bf10 R14: ffff9748c278bf10 R15: ffff950a44653000 <4>[ 33.520625] FS: 00007f3e5ff07740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 <4>[ 33.529953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.536659] CR2: 00007f3e600ee000 CR3: 0000000108156001 CR4: 00000000003706e0 <4>[ 33.544917] Call Trace: <4>[ 33.547938] ? __die_body.cold+0x1a/0x1f <4>[ 33.552607] ? no_context+0x177/0x380 <4>[ 33.556986] ? exc_page_fault+0x53/0x170 <4>[ 33.561653] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.566613] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 33.572447] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 33.578282] direct_entry.cold+0x2c/0x38 <4>[ 33.582951] full_proxy_write+0x53/0x80 <4>[ 33.587524] vfs_write+0xe7/0x3b0 <4>[ 33.591512] ksys_write+0x68/0xf0 <4>[ 33.595493] do_syscall_64+0x30/0x40 <4>[ 33.599773] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 33.605704] RIP: 0033:0x7f3e60002240 <4>[ 33.609975] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 <4>[ 33.631236] RSP: 002b:00007ffcbfaeb338 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 33.639980] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f3e60002240 <4>[ 33.648240] RDX: 0000000000000011 RSI: 00007f3e5fee6000 RDI: 0000000000000001 <4>[ 33.656499] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 33.664758] R10: 00007f3e5ff234d0 R11: 0000000000000202 R12: 00007f3e5fee6000 <4>[ 33.673017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs bti<4>[ 33.681279] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 33.769878] CR2: 00007f3e600ee000 <4>[ 33.773866] ---[ end trace 73e88bf5ba8b16cf ]--- <4>[ 33.779302] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.783969] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 33.805240] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 33.811353] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.819613] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 33.827873] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.836133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.844391] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 33.852650] FS: 00007f3e5ff07740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 <4>[ 33.861978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.868684] CR2: 00007f3e600ee000 CR3: 0000000108156001 CR4: 00000000003706e0 ntel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 27.408629] CPU: 2 PID: 1077 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 27.417598] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 27.430909] RIP: 0010:native_write_cr4+0x45/0x60 # [ 27.436389] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 27 63 46 03 00 75 f2 48 c7 c7 c0 d2 9c 86 c6 05 17 63 46 03 01 e8 a1 e2 14 01 <0f><6>[ 33.967113] lkdtm: Performing direct entry ACCESS_NULL 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <6>[ 33.976259] lkdtm: attempting bad read at 0000000000000000 # [ 27.457690] RSP: 0018:ffff9748c1ac3e48 EFLAGS: 00010286 #<1>[ 33.988912] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 34.003171] #PF: supervisor read access in kernel mode <1>[ 34.009198] #PF: error_code(0x0000) - not-present page <6>[ 34.015224] PGD 0 P4D 0 <4>[ 34.018331] Oops: 0000 [#13] SMP PTI <4>[ 34.022611] CPU: 0 PID: 1896 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 34.031541] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.038640] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 34.044187] Code: 6d d6 fb ff be 00 10 00 00 48 89 ef e8 cb f4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 0f ad 86 e8 47 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 0f ad 86 48 01 <4>[ 34.065459] RSP: 0018:ffff9748c2813e58 EFLAGS: 00010246 <4>[ 34.071575] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 34.079827] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 <4>[ 34.088087] RBP: ffffffff86ad0079 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.096346] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 34.104605] R13: ffff9748c2813f10 R14: ffff9748c2813f10 R15: ffff950a46f02000 <4>[ 34.112864] FS: 00007f5d9ffb5740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 34.122184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.128891] CR2: 0000000000000000 CR3: 0000000108156001 CR4: 00000000003706f0 <4>[ 34.137143] Call Trace: <4>[ 34.140163] ? __die_body.cold+0x1a/0x1f <4>[ 34.144838] ? no_context+0x177/0x380 <4>[ 34.149222] ? exc_page_fault+0x53/0x170 <4>[ 34.153896] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.158858] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 34.163724] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 34.168586] direct_entry.cold+0x2c/0x38 <4>[ 34.173256] full_proxy_write+0x53/0x80 <4>[ 34.177835] vfs_write+0xe7/0x3b0 <4>[ 34.181829] ksys_write+0x68/0xf0 <4>[ 34.185817] do_syscall_64+0x30/0x40 <4>[ 34.190096] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 34.196028] RIP: 0033:0x7f5da00b0240 <4>[ 34.200307] 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>[ 34.221579] RSP: 002b:00007fffded69978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.230324] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5da00b0240 <4>[ 34.238584] RDX: 000000000000000c RSI: 00007f5d9ff94000 RDI: 0000000000000001 <4>[ 34.246843] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.255103] R10: 00007f5d9ffd14d0 R11: 0000000000000202 R12: 00007f5d9ff94000 <4>[ 34.263362] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 34.271625] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 34.354028] CR2: 0000000000000000 <4>[ 34.358016] ---[ end trace 73e88bf5ba8b16d0 ]--- <4>[ 34.363462] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.368129] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 34.389401] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 34.395524] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.403783] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 34.412042] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.420304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.428554] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 34.436813] FS: 00007f5d9ffb5740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 <4>[ 34.446143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.452840] CR2: 0000000000000000 CR3: 0000000108156001 CR4: 00000000003706f0 <3>[ 34.461100] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.471300] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat <4>[ 34.480046] INFO: lockdep is turned off. <4>[ 34.484712] irq event stamp: 0 <4>[ 34.488408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.495698] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.505124] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.514539] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.521829] CPU: 0 PID: 1896 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 34.530770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.537864] Call Trace: <4>[ 34.540884] dump_stack+0x77/0x9b <4>[ 34.544878] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.549732] exit_signals+0x1c/0x300 <4>[ 34.554018] do_exit+0xc2/0xab0 <4>[ 34.557812] ? ksys_write+0x68/0xf0 <4>[ 34.561986] make_task_dead+0x2f/0x30 <4>[ 34.566356] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.571897] RIP: 0033:0x7f5da00b0240 <4>[ 34.576175] 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>[ 34.597450] RSP: 002b:00007fffded69978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 34.606196] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5da00b0240 <4>[ 34.614455] RDX: 000000000000000c RSI: 00007f5d9ff94000 RDI: 0000000000000001 <4>[ 34.622715] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 <4>[ 34.630975] R10: 00007f5d9ffd14d0 R11: 0000000000000202 R12: 00007f5d9ff94000 <4>[ 34.639228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 [ 27.463846] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 27.478325] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 # [ 27.486619] RBP: ffffffff86acfef5 R08: 0000000000000000 R09: 0000000000000000 # [ 27.494885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 27.503150] R13: ffff9748c1ac3f10 R14: ffff9748c1ac3f10 R15: ffff950a473af000 # [ 27.511445] FS: 00007f38f6e8f740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 27.526990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.533725] CR2: 00007f38f6e6e000 CR3: 000000010333c001 CR4: 00000000003706e0 # [ 27.548200] Call Trace: # [ 27.551243] ? __warn+0x80/0x110 # [ 27.555145] ? native_write_cr4+0x45/0x60 # [ 27.566127] ? report_bug+0x9e/0xc0 # [ 27.576529] ? handle_bug+0x41/0x90 # [ 27.580745] ? exc_invalid_op+0x14/0x70 # [ 27.585322] ? asm_exc_invalid_op+0x12/0x20 # [ 27.590315] ? native_write_cr4+0x45/0x60 # [ 27.595115] ? native_write_cr4+0x45/0x60 # [ 27.599910] lkdtm_UNSET<6>[ 34.750465] lkdtm: Performing direct entry WRITE_RO _SMEP.cold+0x1d/0x103 # [ 27.605093] direct_entry.cold+0x2c/<6>[ 34.758899] lkdtm: attempting bad rodata write at ffffffff86640b50 0x38 # [ 27.609768] full_proxy_write+0x53/0x80 # [ 27.614<1>[ 34.772315] BUG: unable to handle page fault for address: ffffffff86640b50 <1>[ 34.786496] #PF: supervisor write access in kernel mode <1>[ 34.792622] #PF: error_code(0x0003) - permissions violation <6>[ 34.799134] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 80000001784000e1 375] vfs_write+0xe7/0x3b0 # [ 27.618418] ksys_write+0x68/0x<4>[ 34.807204] Oops: 0003 [#14] SMP PTI <4>[ 34.817696] CPU: 1 PID: 1932 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 34.826634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.833730] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a f0 # [ 27.622418] do_syscall_64+0x30/0x40 # [ 27.632911] <4>[ 34.838982] Code: 00 48 c7 c7 68 0e ad 86 48 c7 c6 50 0b 64 86 e8 f1 d8 fb ff 48 8b 05 a5 83 7e 01 ba 34 12 cd ab 48 c7 c7 98 0e ad 86 48 31 d0 <48> 89 05 8f 83 7e 01 e9 cf d8 fb ff 0f 1f 44 00 00 48 8b 05 7e 0b <4>[ 34.866478] RSP: 0018:ffff9748c286be60 EFLAGS: 00010202 <4>[ 34.872604] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 34.880864] RDX: 00000000abcd1234 RSI: ffff950abac9bf50 RDI: ffffffff86ad0e98 <4>[ 34.889123] RBP: ffffffff86ad0085 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.897381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 34.905640] R13: ffff9748c286bf10 R14: ffff9748c286bf10 R15: ffff950a4627e000 <4>[ 34.913898] FS: 00007f5380a93740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 34.923226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.929932] CR2: ffffffff86640b50 CR3: 0000000107024006 CR4: 00000000003706e0 <4>[ 34.938191] Call Trace: <4>[ 34.941211] ? __die_body.cold+0x1a/0x1f entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 27.638846] RIP:<4>[ 34.945882] ? no_context+0x177/0x380 <4>[ 34.956485] ? exc_page_fault+0xd7/0x170 0033:0x7f38f6f8a240 # [ 27.643154] Code: 40 00 48 8b 15 c1 9<4>[ 34.961152] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.972325] ? lkdtm_WRITE_RO+0x2e/0x3a b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d<4>[ 34.976898] direct_entry.cold+0x2c/0x38 <4>[ 34.987778] full_proxy_write+0x53/0x80 a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7<4>[ 34.992353] vfs_write+0xe7/0x3b0 <4>[ 35.002553] ksys_write+0x68/0xf0 <4>[ 35.006542] do_syscall_64+0x30/0x40 <4>[ 35.010822] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 35.016752] RIP: 0033:0x7f5380b8e240 <4>[ 35.021031] 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>[ 35.042302] RSP: 002b:00007ffd164bce68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.051049] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5380b8e240 <4>[ 35.059308] RDX: 0000000000000009 RSI: 00007f5380a72000 RDI: 0000000000000001 <4>[ 35.067565] RBP: 0000000000000009 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.075824] R10: 00007f5380aaf4d0 R11: 0000000000000202 R12: 00007f5380a72000 <4>[ 35.084083] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 7 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 27.664437]<4>[ 35.092347] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.180911] CR2: ffffffff86640b50 <4>[ 35.184900] ---[ end trace 73e88bf5ba8b16d1 ]--- <4>[ 35.190345] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.195013] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 35.216283] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 35.222429] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.230688] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 35.238947] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.247206] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.255465] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 35.263726] FS: 00007f5380a93740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 35.273046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.279753] CR2: ffffffff86640b50 CR3: 0000000107024006 CR4: 00000000003706e0 RSP: 002b:00007ffeffaf7b48 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 27.679402] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f38f6f8a240 # [ 27.687667] RDX: 000000000000000b RSI: 00007f38f6e6e000 RDI: 0000000000000001 # [ 27.695931] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 # [ 27.704196] R10: 00007f38f6eab4d0 R11: 0000000000000202 R12: 00007f38f6e6e000 # [ 27.712481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 27.720767] irq event stamp: 0 # [ 27.724474] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 27.737979] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 27.747441] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 27.763086] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 27.770378] ---[ end trace 73e88bf5ba8b16c7 ]--- # [ 27.775828] lkdtm: ok: SMEP di<6>[ 35.376513] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 35.388061] lkdtm: attempting bad ro_after_init write at ffffffff86b59350 <1>[ 35.395973] BUG: unable to handle page fault for address: ffffffff86b59350 d not get cleared # [ 27.781178] lkdtm: trying to clear SMEP <1>[ 35.403959] #PF: supervisor write access in kernel mode <1>[ 35.416297] #PF: error_code(0x0003) - permissions violation <6>[ 35.422807] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 80000001788000e1 <4>[ 35.430877] Oops: 0003 [#15] SMP PTI <4>[ 35.435156] CPU: 3 PID: 1968 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 35.444096] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.451184] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 35.457503] Code: 0e ad 86 e9 a3 d8 fb ff 48 c7 c7 f0 0e ad 86 e8 97 d8 fb ff 48 8b 05 4b 0b d0 01 ba 34 12 cd ab 48 c7 c7 98 0e ad 86 48 31 d0 <48> 89 05 35 0b d0 01 e9 75 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 35.478765] RSP: 0018:ffff9748c2913e60 EFLAGS: 00010202 <4>[ 35.484888] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 35.493148] RDX: 00000000abcd1234 RSI: ffff950abad9bf50 RDI: ffffffff86ad0e98 <4>[ 35.501431] RBP: ffffffff86ad008e R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.509690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 35.517949] R13: ffff9748c2913f10 R14: ffff9748c2913f10 R15: ffff950a44e59000 <4>[ 35.526209] FS: 00007f21a58b8740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 <4>[ 35.535537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.542243] CR2: ffffffff86b59350 CR3: 0000000107316001 CR4: 00000000003706e0 <4>[ 35.550501] Call Trace: <4>[ 35.553521] ? __die_body.cold+0x1a/0x1f <4>[ 35.558189] ? no_context+0x177/0x380 <4>[ 35.562567] ? exc_page_fault+0xd7/0x170 <4>[ 35.567235] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.572197] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 35.577837] direct_entry.cold+0x2c/0x38 <4>[ 35.582506] full_proxy_write+0x53/0x80 <4>[ 35.587077] vfs_write+0xe7/0x3b0 <4>[ 35.591058] ksys_write+0x68/0xf0 <4>[ 35.595047] do_syscall_64+0x30/0x40 <4>[ 35.599318] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 35.605248] RIP: 0033:0x7f21a59b3240 <4>[ 35.609527] 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>[ 35.630791] RSP: 002b:00007ffda5234988 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 35.639535] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f21a59b3240 <4>[ 35.647796] RDX: 0000000000000014 RSI: 00007f21a5897000 RDI: 0000000000000001 <4>[ 35.656054] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 35.664313] R10: 00007f21a58d44d0 R11: 0000000000000202 R12: 00007f21a5897000 <4>[ 35.672573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 with call gadget # [ 27.787403] lkdtm: ok: SMEP removal was r<4>[ 35.680837] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.769437] CR2: ffffffff86b59350 <4>[ 35.773433] ---[ end trace 73e88bf5ba8b16d2 ]--- <4>[ 35.778877] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.783539] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 35.804812] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 35.810937] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.819197] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 35.827470] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.835760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.844019] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 35.852277] FS: 00007f21a58b8740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 <4>[ 35.861606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.868303] CR2: ffffffff86b59350 CR3: 0000000107316001 CR4: 00000000003706e0 <3>[ 35.876563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.886756] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1968, name: cat <4>[ 35.895499] INFO: lockdep is turned off. <4>[ 35.900165] irq event stamp: 0 <4>[ 35.903863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.911154] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.920578] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.930003] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.937291] CPU: 3 PID: 1968 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 35.946230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.953323] Call Trace: <4>[ 35.956343] dump_stack+0x77/0x9b <4>[ 35.960331] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.965194] exit_signals+0x1c/0x300 <4>[ 35.969491] do_exit+0xc2/0xab0 <4>[ 35.973285] ? ksys_write+0x68/0xf0 <4>[ 35.977478] make_task_dead+0x2f/0x30 <4>[ 35.981855] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.987386] RIP: 0033:0x7f21a59b3240 <4>[ 35.991665] 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>[ 36.012935] RSP: 002b:00007ffda5234988 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 36.021680] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f21a59b3240 <4>[ 36.029939] RDX: 0000000000000014 RSI: 00007f21a5897000 RDI: 0000000000000001 <4>[ 36.038198] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 36.046457] R10: 00007f21a58d44d0 R11: 0000000000000202 R12: 00007f21a5897000 <4>[ 36.054716] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 everted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 27.871070] lkdtm: Performing direct entry DOUBLE_FAULT # [ 27.879841] 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 # [ 27.958024] lkdtm: Performing direct entry CORRUPT_PAC # [ 27.965902] 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 # [ 28.042390] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 28.053515] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_F<6>[ 36.162723] lkdtm: Performing direct entry WRITE_KERN <6>[ 36.174615] lkdtm: attempting bad 7176421 byte write at ffffffff84e58725 REE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure <1>[ 36.182451] BUG: unable to handle page fault for address: ffffffff84e58725 <1>[ 36.196617] #PF: supervisor write access in kernel mode <1>[ 36.202741] #PF: error_code(0x0003) - permissions violation <6>[ 36.209252] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 176c000e1 <4>[ 36.216642] Oops: 0003 [#16] SMP PTI <4>[ 36.220921] CPU: 2 PID: 2005 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 36.229853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.236951] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 36.242395] Code: 53 48 c7 c3 25 87 e5 84 49 89 dc 48 89 da 49 81 ec 40 06 78 84 4c 89 e6 e8 4a d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 40 06 78 84 a4 48 c7 c7 98 0e ad 86 e8 2f d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 36.263661] RSP: 0018:ffff9748c297be50 EFLAGS: 00010246 <4>[ 36.269776] RAX: 000000000000003c RBX: ffffffff84e58725 RCX: 00000000006d80e5 <4>[ 36.278036] RDX: 0000000000000000 RSI: ffffffff84780640 RDI: ffffffff84e58725 <4>[ 36.286295] RBP: ffffffff86ad00a2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.294556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006d80e5 <4>[ 36.302816] R13: ffff9748c297bf10 R14: ffff9748c297bf10 R15: ffff950a4274e000 <4>[ 36.311075] FS: 00007fed82e53740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 36.320420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests<4>[ 36.327136] CR2: ffffffff84e58725 CR3: 0000000103ac4005 CR4: 00000000003706e0 <4>[ 36.341611] Call Trace: <4>[ 36.344631] ? __die_body.cold+0x1a/0x1f <4>[ 36.349299] ? no_context+0x177/0x380 <4>[ 36.353678] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 36.359431] ? exc_page_fault+0xd7/0x170 <4>[ 36.364101] ? asm_exc_page_fault+0x1e/0x30 <4>[ 36.369060] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 36.374796] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 36.379941] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 36.385676] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 36.390442] direct_entry.cold+0x2c/0x38 <4>[ 36.395113] full_proxy_write+0x53/0x80 <4>[ 36.399684] vfs_write+0xe7/0x3b0 <4>[ 36.403664] ksys_write+0x68/0xf0 <4>[ 36.407654] do_syscall_64+0x30/0x40 <4>[ 36.411933] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 36.417855] RIP: 0033:0x7fed82f4e240 <4>[ 36.422132] 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>[ 36.443422] RSP: 002b:00007ffd585f1b08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 : lkdtm: READ_AFTER_FREE.sh # [ 28.191962] lkdtm: Performing <4>[ 36.452170] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fed82f4e240 <4>[ 36.466644] RDX: 000000000000000b RSI: 00007fed82e32000 RDI: 0000000000000001 <4>[ 36.474895] RBP: 000000000000000b R08: 00000000ffffffff R09: 0000000000000000 <4>[ 36.483155] R10: 00007fed82e6f4d0 R11: 0000000000000202 R12: 00007fed82e32000 <4>[ 36.491428] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 direct entry READ_AFTER_FREE # [ 28.204529] lkdtm: Value in m<4>[ 36.499693] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 36.588298] CR2: ffffffff84e58725 <4>[ 36.592286] ---[ end trace 73e88bf5ba8b16d3 ]--- <4>[ 36.597731] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.602389] Code: 89 ff e8 de ab 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 e0 0b eb 03 <4>[ 36.623662] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 <4>[ 36.629785] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.638044] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 <4>[ 36.646303] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.654564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.662822] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 <4>[ 36.671083] FS: 00007fed82e53740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 36.680432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.687139] CR2: ffffffff84e58725 CR3: 0000000103ac4005 CR4: 00000000003706e0 emory before free: 12345678 # [ 28.210784] lkdtm: Attempting bad read from freed memory # [ 28.217009] 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 # [ 28.316886] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 28.328385] lkdtm: Value in memory before free: 12345678 # [ 28.340817] lkdtm: Attempting to read from freed memory # [ 28.353136] 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 # [ 28.427586] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 28.439532] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'c<6>[ 36.790275] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW all trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBL<6>[ 36.801917] lkdtm: attempting good refcount_inc() without overflow E.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 28.<6>[ 36.815333] lkdtm: attempting bad refcount_inc() overflow 514634] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 28<4>[ 36.827860] ------------[ cut here ]------------ .526163] lkdtm: Attempting cross-cache slab free ... # SLAB_FRE<4>[ 36.839500] refcount_t: saturated; leaking memory. E_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkd<4>[ 36.851422] WARNING: CPU: 0 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 tm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_P<4>[ 36.867330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table AGE.sh # [ 28.602328] lkdtm: Performing direct entry SLAB_FRE<4>[ 36.955893] CPU: 0 PID: 2041 Comm: cat Tainted: G D W 5.10.218-cip49 #1 E_PAGE # [ 28.613212] lkdtm: Attempting non-Slab slab free ..<4>[ 36.971078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 . # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 se<4>[ 36.984361] RIP: 0010:refcount_warn_saturate+0x51/0x110 lftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: <4>[ 36.996746] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 se<4>[ 37.024219] RSP: 0018:ffff9748c2a3be48 EFLAGS: 00010286 lftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLO<4>[ 37.036642] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 CKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftest<4>[ 37.051094] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 s: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.s<4>[ 37.065592] RBP: ffffffff86ad00ad R08: 0000000000000000 R09: 0000000000000000 h # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkd<4>[ 37.080035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 tm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Sk<4>[ 37.094527] R13: ffff9748c2a3bf10 R14: ffff9748c2a3bf10 R15: ffff950a44e4d000 ipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG<4>[ 37.109001] FS: 00007fad2bb3c740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 _TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [<4>[ 37.124550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 28.800442] lkdtm: Performing direct entry EXEC_DATA # [ 28<4>[ 37.137466] CR2: 00007fad2bb1b000 CR3: 0000000102748002 CR4: 00000000003706f0 .811305] lkdtm: attempting ok execution at ffffffff84780640 # [<4>[ 37.151952] Call Trace: 28.818147] lkdtm: attempting bad execution at ffffffff88630ea<4>[ 37.161189] ? __warn+0x80/0x110 0 # [ 28.825086] kernel tried to execute NX-protected page - <4>[ 37.171305] ? refcount_warn_saturate+0x51/0x110 exploit attempt? (uid: 0) # [ 28.833760] BUG: unable to handl<4>[ 37.182959] ? report_bug+0x9e/0xc0 e page fault for address: ffffffff88630ea0 # [ 28.847941] #PF<4>[ 37.193365] ? handle_bug+0x41/0x90 : supervisor instruction fetch in kernel mode # [ 28.854549] <4>[ 37.203750] ? exc_invalid_op+0x14/0x70 #PF: error_code(0x0011) - permissions violation # [ 28.861061<4>[ 37.214560] ? asm_exc_invalid_op+0x12/0x20 ] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 800000017a4000e3<4>[ 37.225733] ? refcount_warn_saturate+0x51/0x110 # [ 28.869130] Oops: 0011 [#5] SMP PTI # [ 28.873312] CP<4>[ 37.237417] ? refcount_warn_saturate+0x51/0x110 U: 2 PID: 1600 Comm: cat Tainted: G D W 5.10.218-ci<4>[ 37.249057] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 p49 #1 # [ 28.882252] Hardware name: Google Rammus/Rammus, BI<4>[ 37.260933] direct_entry.cold+0x2c/0x38 OS 09/04/2020 # [ 28.889349] RIP: 0010:data_area+0x0/0x40 #<4>[ 37.271803] full_proxy_write+0x53/0x80 [ 28.894016] Code: ff ff 00 19 33 45 0a 95 ff ff 00 18 33 45 <4>[ 37.282603] vfs_write+0xe7/0x3b0 0a 95 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0<4>[ 37.292796] ksys_write+0x68/0xf0 0 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 <4>[ 37.303016] do_syscall_64+0x30/0x40 00 00 0f 1f 44 00 00 55 # [ 28.915277] RSP: 0018:ffff9748c238<4>[ 37.313496] entry_SYSCALL_64_after_hwframe+0x67/0xd1 be48 EFLAGS: 00010246 # [ 28.921402] RAX: 0000000000000033 RB<4>[ 37.325672] RIP: 0033:0x7fad2bc37240 X: 0000000000000001 RCX: 0000000000000000 # [ 28.929685] RDX:<4>[ 37.336149] 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 0000000000000000 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 #<4>[ 37.363660] RSP: 002b:00007ffcd5bd6718 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 28.937944] RBP: ffffffff88630ea0 R08: 0000000000000000 R09:<4>[ 37.378608] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fad2bc37240 0000000000000000 # [ 28.946205] R10: 00000000ffffe000 R11: 3<4>[ 37.393106] RDX: 0000000000000016 RSI: 00007fad2bb1b000 RDI: 0000000000000001 fffffffffffffff R12: 000000000000000a # [ 28.954481] R13: fff<4>[ 37.407561] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 f9748c238bf10 R14: ffff9748c238bf10 R15: ffff950a48287000 # [ <4>[ 37.422051] R10: 00007fad2bb584d0 R11: 0000000000000202 R12: 00007fad2bb1b000 28.962741] FS: 00007ff49e2c6740(0000) GS:ffff950abad00000(0000<4>[ 37.436520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ) knlGS:0000000000000000 # [ 28.972067] CS: 0010 DS: 0000 ES<4>[ 37.451024] irq event stamp: 0 : 0000 CR0: 0000000080050033 # [ 28.978772] CR2: ffffffff8863<4>[ 37.460918] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0ea0 CR3: 00000001052f8001 CR4: 00000000003706e0 # [ 28.98702<4>[ 37.474442] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 9] Call Trace: # [ 28.990049] ? __die_body.cold+0x1a/0x1f #<4>[ 37.490069] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 [ 28.994717] ? no_context+0x177/0x380 # [ 28.999096] ? e<4>[ 37.505733] softirqs last disabled at (0): [<0000000000000000>] 0x0 xc_page_fault+0xd7/0x170 # [ 29.003764] ? asm_exc_page_fault<4>[ 37.519219] ---[ end trace 73e88bf5ba8b16d4 ]--- +0x1e/0x30 # [ 29.008717] ? execute_location+0x45/0x56 # [ <6>[ 37.530898] lkdtm: Overflow detected: saturated 29.013488] ? direct_entry.cold+0x2c/0x38 # [ 29.018353] ? full_proxy_write+0x53/0x80 # [ 29.023119] ? vfs_write+0xe7/0x3b0 # [ 29.027300] ? ksys_write+0x68/0xf0 # [ 29.031488] ? do_syscall_64+0x30/0x40 # [ 29.035962] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 29.042089] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pi<6>[ 37.638655] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW nctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pst<6>[ 37.648885] lkdtm: attempting good refcount_add() without overflow ore cros_kbd_led_backlight coreboot_table # [ 29.130687] CR2:<6>[ 37.662322] lkdtm: attempting bad refcount_add() overflow ffffffff88630ea0 # [ 29.134675] ---[ end trace 73e88bf5ba8b1<4>[ 37.674854] ------------[ cut here ]------------ 6c8 ]--- # [ 29.140121] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 2<4>[ 37.686521] refcount_t: saturated; leaking memory. 9.144789] Code: 89 ff e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de <4>[ 37.698413] WARNING: CPU: 0 PID: 2074 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0<4>[ 37.714324] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <4>[ 37.802929] CPU: 0 PID: 2074 Comm: cat Tainted: G D W 5.10.218-cip49 #1 83 05 e0 0b eb 03 # [ 29.166050] RSP: 0018:ffff9748c1493e60 E<4>[ 37.818068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 FLAGS: 00010282 # [ 29.172174] RAX: ffffffff84780270 RBX: 000<4>[ 37.831430] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000001 RCX: 0000000000000000 # [ 29.180434] RDX: 00000<4>[ 37.843739] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 00000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 2<4>[ 37.871283] RSP: 0018:ffff9748c2ae3e48 EFLAGS: 00010286 9.188685] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 00000<4>[ 37.883574] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 00000000001 # [ 29.196944] R10: 00000000ffffe000 R11: 3ffffff<4>[ 37.898113] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 fffffffff R12: 0000000000000004 # [ 29.205202] R13: ffff9748c<4>[ 37.912576] RBP: ffffffff86ad00c3 R08: 0000000000000000 R09: 0000000000000000 1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 29.21<4>[ 37.927060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 3475] FS: 00007ff49e2c6740(0000) GS:ffff950abad00000(0000) knlG<4>[ 37.941489] R13: ffff9748c2ae3f10 R14: ffff9748c2ae3f10 R15: ffff950a42731000 S:0000000000000000 # [ 29.222825] CS: 0010 DS: 0000 ES: 0000<4>[ 37.955972] FS: 00007fea07f46740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 CR0: 0000000080050033 # [ 29.229531] CR2: ffffffff88630ea0 C<4>[ 37.971536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R3: 00000001052f8001 CR4: 00000000003706e0 # [ 29.237791] BUG<4>[ 37.984443] CR2: 00007fea07f25000 CR3: 0000000107e36002 CR4: 00000000003706f0 : sleeping function called from invalid context at include/linux<4>[ 37.998944] Call Trace: /percpu-rwsem.h:49 # [ 29.247992] in_atomic(): 0, irqs_disabl<4>[ 38.008172] ? __warn+0x80/0x110 ed(): 1, non_block: 0, pid: 1600, name: cat # [ 29.256737] IN<4>[ 38.018295] ? refcount_warn_saturate+0x51/0x110 FO: lockdep is turned off. # [ 29.261403] irq event stamp: 0 <4>[ 38.029942] ? report_bug+0x9e/0xc0 # [ 29.265122] hardirqs last enabled at (0): [<0000000000000<4>[ 38.040352] ? handle_bug+0x41/0x90 000>] 0x0 # [ 29.272429] hardirqs last disabled at (0): [[ 38.050746] ? exc_invalid_op+0x14/0x70 fffff83cfde5c>] copy_process+0x65c/0x20e0 # [ 29.281853] soft<4>[ 38.061544] ? asm_exc_invalid_op+0x12/0x20 irqs last enabled at (0): [] copy_process+0x6<4>[ 38.072720] ? refcount_warn_saturate+0x51/0x110 5c/0x20e0 # [ 29.297489] softirqs last disabled at (0): [<000<4>[ 38.084393] ? refcount_warn_saturate+0x51/0x110 0000000000000>] 0x0 # [ 29.304779] CPU: 2 PID: 1600 Comm: cat<4>[ 38.096052] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 Tainted: G D W 5.10.218-cip49 #1 # [ 29.313708]<4>[ 38.107920] direct_entry.cold+0x2c/0x38 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29<4>[ 38.118799] full_proxy_write+0x53/0x80 .320801] Call Trace: # [ 29.323822] dump_stack+0x77/0x9b # <4>[ 38.129605] vfs_write+0xe7/0x3b0 [ 29.327811] ___might_sleep.cold+0xa6/0xb6 # [ 29.332673] <4>[ 38.139796] ksys_write+0x68/0xf0 exit_signals+0x1c/0x300 # [ 29.336954] do_exit+0xc2/0xab0 <4>[ 38.150026] do_syscall_64+0x30/0x40 # [ 29.340749] ? ksys_write+0x68/0xf0 # [ 29.344922] make<4>[ 38.160508] entry_SYSCALL_64_after_hwframe+0x67/0xd1 _task_dead+0x2f/0x30 # [ 29.349291] rewind_stack_and_make_de<4>[ 38.172659] RIP: 0033:0x7fea08041240 ad+0x17/0x20 # [ 29.354831] RIP: 0033:0x7ff49e3c1240 # [ 2<4>[ 38.183142] 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 9.359111] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 <4>[ 38.210654] RSP: 002b:00007ffcd48326c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 0<4>[ 38.225600] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fea08041240 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 <4>[ 38.240127] RDX: 0000000000000016 RSI: 00007fea07f25000 RDI: 0000000000000001 48 83 ec 28 48 89 # [ 29.380381] RSP: 002b:00007ffdcdb264e8 E<4>[ 38.254569] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 FLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 29.389128] RAX<4>[ 38.269055] R10: 00007fea07f624d0 R11: 0000000000000202 R12: 00007fea07f25000 : ffffffffffffffda RBX: 000000000000000a RCX: 00007ff49e3c1240 <4>[ 38.283529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 29.397387] RDX: 000000000000000a RSI: 00007ff49e2a5000 RDI<4>[ 38.298038] irq event stamp: 0 : 0000000000000001 # [ 29.405643] RBP: 000000000000000a R08: <4>[ 38.307929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000ffffffff R09: 0000000000000000 # [ 29.413900] R10: 00<4>[ 38.321482] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 007ff49e2e24d0 R11: 0000000000000202 R12: 00007ff49e2a5000 # [ <4>[ 38.337103] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 29.422160] R13: 0000000000000001 R14: 0000000000020000 R15: 00<4>[ 38.352752] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000000 # EXEC_DATA: saw 'call trace:': ok ok 30 selfte<4>[ 38.366259] ---[ end trace 73e88bf5ba8b16d5 ]--- sts: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # K<6>[ 38.377931] lkdtm: Overflow detected: saturated illed # [ 29.523351] lkdtm: Performing direct entry EXEC_STACK # [ 29.529628] lkdtm: attempting ok execution at ffffffff84780640 # [ 29.536447] lkdtm: attempting bad execution at ffff9748c240be18 # [ 29.549561] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 29.558241] BUG: unable to handle page fault for address: ffff9748c240be18 # [ 29.566210] #PF: supervisor instruction fetch in kernel mode # [ 29.572819] #PF: error_code(0x0011) - permissions violation # [ 29.579331] PGD 100000067 P4D 100000067 PUD 100242067 PMD 1064df067 PTE 8000000104e57063 # [ 29.588664] Oops: 0011 [#6] SMP PTI # [ 29.592837] CPU: 2 PID: 1638 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 29.601767] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.608862] RIP: 0010:0xffff9748c240be18 # [ 29.613520] Code: 00 00 18 be 40 c2 48 97 ff ff 7b 87 e5 84 ff ff ff ff 20 00 00 00 00 00 00 00 1e 00 ad 86 ff ff ff ff aa 88 e5 84 ff ff ff ff <0f> 1f 44 00 00 c3 <6>[ 38.483086] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 38.496821] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 38.504052] ------------[ cut here ]------------ <4>[ 38.509531] refcount_t: saturated; leaking memory. <4>[ 38.515239] WARNING: CPU: 3 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 29.634782<4>[ 38.524966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.613535] CPU: 3 PID: 2107 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 38.622511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.629644] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 38.635805] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 <4>[ 38.657114] RSP: 0018:ffff9748c2b8be38 EFLAGS: 00010282 ] RSP: 0018:ffff9748c240bdf8 EFLAGS: 00010246 # [ 29.640906] <4>[ 38.663247] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 38.677723] RDX: ffff950abadac620 RSI: ffff950abad9bf50 RDI: ffff950abad9bf50 <4>[ 38.686012] RBP: ffffffff86acfd00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.694308] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 38.702573] R13: ffff9748c2b8bf10 R14: ffff9748c2b8bf10 R15: ffff950a48681000 <4>[ 38.710838] FS: 00007f533e6c8740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 <4>[ 38.720172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.726883] CR2: 00007f533e6a7000 CR3: 00000001086b0006 CR4: 00000000003706e0 <4>[ 38.735149] Call Trace: <4>[ 38.738176] ? __warn+0x80/0x110 RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000000<4>[ 38.742095] ? refcount_warn_saturate+0x97/0x110 <4>[ 38.753746] ? report_bug+0x9e/0xc0 <4>[ 38.757968] ? handle_bug+0x41/0x90 <4>[ 38.762184] ? exc_invalid_op+0x14/0x70 <4>[ 38.766763] ? asm_exc_invalid_op+0x12/0x20 <4>[ 38.771761] ? refcount_warn_saturate+0x97/0x110 <4>[ 38.777243] ? refcount_warn_saturate+0x97/0x110 <4>[ 38.782722] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 38.789144] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 38.795684] direct_entry.cold+0x2c/0x38 <4>[ 38.800390] full_proxy_write+0x53/0x80 <4>[ 38.804998] vfs_write+0xe7/0x3b0 0 # [ 29.649164] RDX: 0000000000000000 RSI: ffff950abad1bf50 <4>[ 38.809022] ksys_write+0x68/0xf0 RDI: ffff950abad1bf50 # [ 29.657441] RBP: ffff9748c240be18 R0<4>[ 38.819222] do_syscall_64+0x30/0x40 8: 0000000000000000 R09: 0000000000000000 # [ 29.665699] R10:<4>[ 38.829721] entry_SYSCALL_64_after_hwframe+0x67/0xd1 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b #<4>[ 38.841867] RIP: 0033:0x7f533e7c3240 [ 29.673959] R13: ffff9748c240bf10 R14: ffff9748c240bf10 R15:<4>[ 38.852370] 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 ffff950a42987000 # [ 29.682217] FS: 00007f2b52a3b740(0000) <4>[ 38.879862] RSP: 002b:00007fffd2205268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 38.894828] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f533e7c3240 # [ 29.691544] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 38.907951] RDX: 000000000000001f RSI: 00007f533e6a7000 RDI: 0000000000000001 33 # [ 29.698251] CR2: ffff9748c240be18 CR3: 0000000106422002<4>[ 38.922432] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 CR4: 00000000003706e0 # [ 29.706509] Call Trace: # [ 29.7<4>[ 38.936912] R10: 00007f533e6e44d0 R11: 0000000000000202 R12: 00007f533e6a7000 09528] ? __die_body.cold+0x1a/0x1f # [ 29.714197] ? no_cont<4>[ 38.951405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ext+0x177/0x380 # [ 29.718575] ? exc_page_fault+0xd7/0x170 <4>[ 38.965884] irq event stamp: 0 # [ 29.723243] ? asm_exc_page_fault+0x1e/0x30 # [ 29.72820<4>[ 38.975792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7] ? execute_location+0x45/0x56 # [ 29.732971] ? lkdtm_EXEC<4>[ 38.989313] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 _STACK+0x26/0x44 # [ 29.737729] ? direct_entry.cold+0x2c/0x3<4>[ 39.004952] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 8 # [ 29.742592] ? full_proxy_write+0x53/0x80 # [ 29.7473<4>[ 39.020598] softirqs last disabled at (0): [<0000000000000000>] 0x0 57] ? vfs_write+0xe7/0x3b0 # [ 29.751540] ? ksys_write+0x68<4>[ 39.034100] ---[ end trace 73e88bf5ba8b16d6 ]--- /0xf0 # [ 29.755722] ? do_syscall_64+0x30/0x40 # [ 29.760<6>[ 39.045764] lkdtm: Overflow detected: saturated 186] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 29.766305] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 29.854905] CR2: ffff9748c240be18 # [ 29.858892] ---[ end trace 73e88bf5ba8b16c9 ]--- # [ 29.864337] RIP: 0010:lkdtm<6>[ 39.156602] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW _BUG+0x5/0x10 # [ 29.869003] Code: 89 ff e8 de ab 79 ff 48 c7<6>[ 39.164657] lkdtm: attempting bad refcount_add_not_zero() overflow c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 <4>[ 39.178074] ------------[ cut here ]------------ c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00<4>[ 39.189733] refcount_t: saturated; leaking memory. 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 29.890273] RSP: 0<4>[ 39.201623] WARNING: CPU: 1 PID: 2141 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 018:ffff9748c1493e60 EFLAGS: 00010282 # [ 29.896395] RAX: fff<4>[ 39.217530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table fffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 39.306132] CPU: 1 PID: 2141 Comm: cat Tainted: G D W 5.10.218-cip49 #1 29.904653] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: fff<4>[ 39.321271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffff866406d0 # [ 29.912912] RBP: ffffffff86b36d38 R08: 00000<4>[ 39.334585] RIP: 0010:refcount_warn_saturate+0x97/0x110 00000000001 R09: 0000000000000001 # [ 29.921170] R10: 0000000<4>[ 39.346927] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 29.<4>[ 39.374443] RSP: 0018:ffff9748c2c3be38 EFLAGS: 00010282 929432] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950<4>[ 39.386786] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 a42745000 # [ 29.937692] FS: 00007f2b52a3b740(0000) GS:ffff9<4>[ 39.401266] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 <4>[ 39.415746] RBP: ffffffff86acfd20 R08: 0000000000000000 R09: 0000000000000000 50abad00000(0000) knlGS:0000000000000000 # [ 29.947018] CS: <4>[ 39.424011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.953725] C<4>[ 39.438484] R13: ffff9748c2c3bf10 R14: ffff9748c2c3bf10 R15: ffff950a486bb000 R2: ffff9748c240be18 CR3: 0000000106422002 CR4: 00000000003706e0<4>[ 39.452966] FS: 00007fc8f1408740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: E<4>[ 39.468514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 XEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [<4>[ 39.481441] CR2: 00007fc8f13e7000 CR3: 000000010872c003 CR4: 00000000003706e0 <4>[ 39.495920] Call Trace: 30.053551] lkdtm: Performing direct entry EXEC_KMALLOC # [ <4>[ 39.498962] ? __warn+0x80/0x110 30.061378] lkdtm: attempting ok execution at ffffffff84780640 <4>[ 39.509045] ? refcount_warn_saturate+0x97/0x110 # [ 30.068188] lkdtm: attempting bad execution at ffff950a4866<4>[ 39.520710] ? report_bug+0x9e/0xc0 5cc0 # [ 30.075144] kernel tried to execute NX-protected page<4>[ 39.531113] ? handle_bug+0x41/0x90 <4>[ 39.541513] ? exc_invalid_op+0x14/0x70 - exploit attempt? (uid: 0) # [ 30.083801] BUG: unable to ha<4>[ 39.546113] ? asm_exc_invalid_op+0x12/0x20 ndle page fault for address: ffff950a48665cc0 # [ 30.097984] <4>[ 39.557305] ? refcount_warn_saturate+0x97/0x110 #PF: supervisor instruction fetch in kernel mode # [ 30.10458<4>[ 39.568971] ? refcount_warn_saturate+0x97/0x110 5] #PF: error_code(0x0011) - permissions violation # [ 30.111<4>[ 39.580614] __refcount_add_not_zero.constprop.0+0x2a/0x35 097] PGD 17a601067 P4D 17a601067 PUD 100881063 PMD 108629063 PTE<4>[ 39.593249] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 8000000108665063 # [ 30.120432] Oops: 0011 [#7] SMP PTI # [<4>[ 39.605984] direct_entry.cold+0x2c/0x38 30.124614] CPU: 2 PID: 1675 Comm: cat Tainted: G D W <4>[ 39.616874] full_proxy_write+0x53/0x80 5.10.218-cip49 #1 # [ 30.133553] Hardware name: Google R<4>[ 39.627664] vfs_write+0xe7/0x3b0 ammus/Rammus, BIOS 09/04/2020 # [ 30.140648] RIP: 0010:0xfff<4>[ 39.637872] ksys_write+0x68/0xf0 f950a48665cc0 # [ 30.145315] Code: 00 00 02 00 00 00 00 00 00<4>[ 39.648080] do_syscall_64+0x30/0x40 00 c0 51 66 48 0a 95 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 <4>[ 39.658579] entry_SYSCALL_64_after_hwframe+0x67/0xd1 00 00 00 00 7b fa cf 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc<4>[ 39.670730] RIP: 0033:0x7fc8f1503240 <4>[ 39.681229] 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 cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 30.166580] RSP: 0<4>[ 39.702509] RSP: 002b:00007ffc25e167f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 39.717482] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc8f1503240 018:ffff9748c249be38 EFLAGS: 00010246 # [ 30.172702] RAX: 000<4>[ 39.725746] RDX: 000000000000001f RSI: 00007fc8f13e7000 RDI: 0000000000000001 <4>[ 39.740221] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 0000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 39.748488] R10: 00007fc8f14244d0 R11: 0000000000000202 R12: 00007fc8f13e7000 <4>[ 39.762961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 30.180962] RDX: 0000000000000000 RSI: ffff950abad1bf50 RDI: fff<4>[ 39.771231] irq event stamp: 0 <4>[ 39.781137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f950abad1bf50 # [ 30.189222] RBP: ffff950a48665cc0 R08: 00000<4>[ 39.788436] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.804073] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 00000000000 R09: 0000000000000000 # [ 30.197486] R10: 0000000<4>[ 39.813505] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.827008] ---[ end trace 73e88bf5ba8b16d7 ]--- 0ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 30.<6>[ 39.832455] lkdtm: Overflow detected: saturated 205745] R13: ffff9748c249bf10 R14: ffff9748c249bf10 R15: ffff950a43303000 # [ 30.214005] FS: 00007fbd249d1740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 30.223333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.230038] CR2: ffff950a48665cc0 CR3: 0000000108582005 CR4: 00000000003706e0 # [ 30.238297] Call Trace: # [ 30.241316] ? __die_body.cold+0x1a/0x1f # [ 30.245984] ? no_context+0x177/0x380 # [ 30.250354] ? exc_page_fault+0xd7/0x170 # [ 30.255021] ? asm_exc_page_fault+0x1e/0x30 # [ 30.259976] ? execute_location+0x45/0x56 # [ 30.264739] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 30.269697] ? direct_entry.cold+0x2c/0x38 # [ 30.274560] ? full_proxy_write+0x53/0x80 # [ 30.279327] ? vfs_write+0xe7/0x3b0 # [ 30.283509] ? ksys_write+0x68/0xf0 # [ 30.287692] ? do_syscall_64+0x30/0x40 # [ 30.292164] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 30.298289] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 30.386886] CR2: ffff950a48665cc0 # [ 30.390866] ---[ end trace 73e88bf5ba8b16ca ]--- # [ 30.396311] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.400977] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 30.422248] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 30.428371] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.436631] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 30.444891] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 30.453149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.461430] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 30.469689] FS: 00007fbd249d1740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 30.479014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.485719] CR2: ffff950a48665cc0 CR3: 0000000108582005 CR4: 00000000003706e0 # [ 30.493979] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.504181] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1675, name: cat # [ 30.512925] INFO: lockdep is turned off. # [ 30.517592] irq event stamp: 0 # [ 30.521289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.528568] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 30.537991] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 30.547432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.554720] CPU: 2 PID: 1675 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 30.563659] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.570752] Call Trace: # [ 30.573770] dump_stack+0x77/0x9b # [ 30.577759] ___might_sleep.cold+0xa6/0xb6 # [ 30.582622] exit_signals+0x1c/0x300 # [ 30.586902] do_exit+0xc2/0xab0 # [ 30.590688] ? ksys_write+0x68/0xf0 # [ 30.594868] make_task_dead+0x2f/0x30 # [ 30.599244] rewind_stack_and_make_dead+0x17/0x20 # [ 30.604786] RIP: 0033:0x7fbd24acc240 # [ 30.609065] 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 # [ 30.630328] RSP: 002b:00007ffffe638c38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 30.639075] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fbd24acc240 # [ 30.647334] RDX: 000000000000000d RSI: 00007fbd249b0000 RDI: 0000000000000001 # [ 30.655593] RBP: 000000000000000d R08: 00000000ffffffff R09: 0000000000000000 # [ 30.663853] R10: 00007fbd249ed4d0 R11: 0000000000000202 R12: 00007fbd249b0000 # [ 30.672112] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 30.775559] lkdtm: Performing direct entry<6>[ 40.332678] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO EXEC_VMALLOC # [ 30.786034] lkdtm: attempting ok execution a<6>[ 40.340959] lkdtm: attempting good refcount_dec() t ffffffff84780640 # [ 30.799052] lkdtm: attempting bad execu<6>[ 40.352723] lkdtm: attempting bad refcount_dec() to zero tion at ffff9748c03ad000 # [ 30.812169] kernel tried to execu<4>[ 40.365162] ------------[ cut here ]------------ te NX-protected page - exploit attempt? (uid: 0) # [ 30.82698<4>[ 40.376822] refcount_t: decrement hit 0; leaking memory. 9] BUG: unable to handle page fault for address: ffff9748c03ad00<4>[ 40.389276] WARNING: CPU: 1 PID: 2174 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0 # [ 30.834959] #PF: supervisor instruction fetch in kernel <4>[ 40.405200] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table mode # [ 30.841567] #PF: error_code(0x0011) - permissions vio<4>[ 40.493793] CPU: 1 PID: 2174 Comm: cat Tainted: G D W 5.10.218-cip49 #1 lation # [ 30.848078] PGD 100000067 P4D 100000067 PUD 1002420<4>[ 40.508929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 67 PMD 1009ba067 PTE 80000001031cc063 # [ 30.857432] Oops: 00<4>[ 40.522243] RIP: 0010:refcount_warn_saturate+0xfb/0x110 11 [#8] SMP PTI # [ 30.861605] CPU: 0 PID: 1712 Comm: cat Tai<4>[ 40.534585] Code: 90 a8 a2 86 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 a8 a2 86 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b nted: G D W 5.10.218-cip49 #1 # [ 30.870543] Har<4>[ 40.562075] RSP: 0018:ffff9748c2cd3e48 EFLAGS: 00010286 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.877<4>[ 40.574437] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 639] RIP: 0010:0xffff9748c03ad000 # [ 30.882307] Code: Unable<4>[ 40.588914] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 to access opcode bytes at RIP 0xffff9748c03acfd6. # [ 30.890<4>[ 40.603392] RBP: ffffffff86ad00d9 R08: 0000000000000000 R09: 0000000000000000 266] RSP: 0018:ffff9748c254be38 EFLAGS: 00010246 # [ 30.89639<4>[ 40.617873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000<4>[ 40.632353] R13: ffff9748c2cd3f10 R14: ffff9748c2cd3f10 R15: ffff950a426fd000 0000 # [ 30.904650] RDX: 0000000000000000 RSI: ffff950abac1bf<4>[ 40.646856] FS: 00007ff8bdcdd740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 50 RDI: ffff950abac1bf50 # [ 30.912908] RBP: ffff9748c03ad000<4>[ 40.662384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R08: 0000000000000000 R09: 0000000000000000 # [ 30.921167] R<4>[ 40.675307] CR2: 00007ff8bdcbc000 CR3: 000000010319c006 CR4: 00000000003706e0 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d<4>[ 40.689786] Call Trace: # [ 30.929432] R13: ffff9748c254bf10 R14: ffff9748c254bf10 R<4>[ 40.699026] ? __warn+0x80/0x110 15: ffff950a431cc000 # [ 30.937692] FS: 00007fa84495c740(000<4>[ 40.709132] ? refcount_warn_saturate+0xfb/0x110 0) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 30.94<4>[ 40.720797] ? report_bug+0x9e/0xc0 7018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 3<4>[ 40.731197] ? handle_bug+0x41/0x90 0.953725] CR2: ffff9748c03acfd6 CR3: 0000000106740002 CR4: 00000<4>[ 40.741596] ? exc_invalid_op+0x14/0x70 000003706f0 # [ 30.961985] Call Trace: # [ 30.965005] ? _<4>[ 40.752386] ? asm_exc_invalid_op+0x12/0x20 _die_body.cold+0x1a/0x1f # [ 30.969670] ? no_context+0x177/0<4>[ 40.763565] ? refcount_warn_saturate+0xfb/0x110 x380 # [ 30.974055] ? exc_page_fault+0xd7/0x170 # [ 30.97<4>[ 40.775226] ? refcount_warn_saturate+0xfb/0x110 8727] ? asm_exc_page_fault+0x1e/0x30 # [ 30.983690] ? execu<4>[ 40.786889] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd te_location+0x45/0x56 # [ 30.988466] ? lkdtm_EXEC_VMALLOC+0x<4>[ 40.798360] direct_entry.cold+0x2c/0x38 20/0x30 # [ 30.993437] ? direct_entry.cold+0x2c/0x38 # [ <4>[ 40.809245] full_proxy_write+0x53/0x80 30.998301] ? full_proxy_write+0x53/0x80 # [ 31.003075] ? vf<4>[ 40.820032] vfs_write+0xe7/0x3b0 s_write+0xe7/0x3b0 # [ 31.007257] ? ksys_write+0x68/0xf0 # <4>[ 40.830239] ksys_write+0x68/0xf0 [ 31.011436] ? do_syscall_64+0x30/0x40 # [ 31.015909] ? e<4>[ 40.840447] do_syscall_64+0x30/0x40 ntry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 31.022036] Module<4>[ 40.850943] entry_SYSCALL_64_after_hwframe+0x67/0xd1 s linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cr<4>[ 40.863091] RIP: 0033:0x7ff8bddd8240 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus<4>[ 40.873589] 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 trialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysf<4>[ 40.901084] RSP: 002b:00007ffeac3ed638 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 40.916048] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff8bddd8240 s cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927<4>[ 40.924312] RDX: 0000000000000012 RSI: 00007ff8bdcbc000 RDI: 0000000000000001 <4>[ 40.938787] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTC<4>[ 40.947053] R10: 00007ff8bdcf94d0 R11: 0000000000000202 R12: 00007ff8bdcbc000 <4>[ 40.961525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 O_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_co<4>[ 40.969797] irq event stamp: 0 <4>[ 40.979700] hardirqs last enabled at (0): [<0000000000000000>] 0x0 re uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc<4>[ 40.986995] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.002632] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 _dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v<4>[ 41.012063] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.025565] ---[ end trace 73e88bf5ba8b16d8 ]--- 4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_the<6>[ 41.031013] lkdtm: Zero detected: saturated rmal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 31.104434] CR2: ffff9748c03ad000 # [ 31.108433] ---[ end trace 73e88bf5ba8b16cb ]--- # [ 31.113878] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.118537] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 31.139807] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 31.145931] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.154190] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 31.162448] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 31.170707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.178966] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000<6>[ 41.143971] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 41.154856] lkdtm: attempting bad refcount_dec() below zero <4>[ 41.161427] ------------[ cut here ]------------ # [ 31.187227] FS: 00007fa84495c740(0000) GS:ffff950abac000<4>[ 41.166889] refcount_t: decrement hit 0; leaking memory. 00(0000) knlGS:0000000000000000 # [ 31.196555] CS: 0010 DS: <4>[ 41.179354] WARNING: CPU: 2 PID: 2210 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0000 ES: 0000 CR0: 0000000080050033 # [ 31.203261] CR2: ffff9<4>[ 41.195292] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 41.283908] CPU: 2 PID: 2210 Comm: cat Tainted: G D W 5.10.218-cip49 #1 748c03acfd6 CR3: 0000000106740002 CR4: 00000000003706f0 # EXEC_<4>[ 41.292885] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.306193] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 41.312353] Code: 90 a8 a2 86 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 a8 a2 86 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 41.333663] RSP: 0018:ffff9748c2d4be48 EFLAGS: 00010286 <4>[ 41.339824] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 41.348091] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 41.356387] RBP: ffffffff86ad00eb R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.364652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 41.372918] R13: ffff9748c2d4bf10 R14: ffff9748c2d4bf10 R15: ffff950a4630a000 <4>[ 41.381183] FS: 00007f51e2960740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 41.390519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.397261] CR2: 00007f51e293f000 CR3: 000000010619c003 CR4: 00000000003706e0 <4>[ 41.405526] Call Trace: <4>[ 41.408551] ? __warn+0x80/0x110 <4>[ 41.412490] ? refcount_warn_saturate+0xfb/0x110 <4>[ 41.417969] ? report_bug+0x9e/0xc0 <4>[ 41.422181] ? handle_bug+0x41/0x90 <4>[ 41.426399] ? exc_invalid_op+0x14/0x70 VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMA<4>[ 41.431011] ? asm_exc_invalid_op+0x12/0x20 <4>[ 41.442187] ? refcount_warn_saturate+0xfb/0x110 LLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 31.<4>[ 41.447668] ? refcount_warn_saturate+0xfb/0x110 <4>[ 41.459322] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 41.464998] direct_entry.cold+0x2c/0x38 <4>[ 41.469702] full_proxy_write+0x53/0x80 <4>[ 41.474309] vfs_write+0xe7/0x3b0 <4>[ 41.478334] ksys_write+0x68/0xf0 <4>[ 41.482360] do_syscall_64+0x30/0x40 <4>[ 41.486674] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 41.492610] RIP: 0033:0x7f51e2a5b240 <4>[ 41.496925] 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>[ 41.518233] RSP: 002b:00007ffd89c0ff38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 41.527013] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f51e2a5b240 <4>[ 41.535277] RDX: 0000000000000016 RSI: 00007f51e293f000 RDI: 0000000000000001 <4>[ 41.543544] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 41.551839] R10: 00007f51e297c4d0 R11: 0000000000000202 R12: 00007f51e293f000 <4>[ 41.560102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 41.568370] irq event stamp: 0 <4>[ 41.572099] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.579394] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 310326] lkdtm: Performing direct entry EXEC_RODATA # [ 31.317<4>[ 41.588853] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.604491] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.611787] ---[ end trace 73e88bf5ba8b16d9 ]--- <6>[ 41.617267] lkdtm: Negative detected: saturated 017] lkdtm: attempting ok execution at ffffffff84780640 # [ 31.330030] lkdtm: attempting bad execution at ffffffff86640b60 # [ 31.343149] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 31.358008] BUG: unable to handle page fault for address: ffffffff86640b60 # [ 31.365977] #PF: supervisor instruction fetch in kernel mode # [ 31.372586] #PF: error_code(0x0011) - permissions violation # [ 31.379098] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 80000001784000e1 # [ 31.387167] Oops: 0011 [#9] SMP PTI # [ 31.397563] CPU: 1 PID: 1749 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 31.406492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.413590] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 31.419620] Code: ff ff 1a 9d e5 84 ff ff ff ff 6a 02 ad 86 ff ff ff ff 60 84 e5 84 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 # [ 31.447101] RSP: 0018:ffff9748c25e3e48 EFLAGS: 00010246 # [ 31.453226] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 31.461492] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 31.469752] RBP: ffffffff86640b60 R08: 0000000000000000 R09: 0000000000000000 # [ 31.478010] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 31.486270] R13: ffff9748c25e3f10 R14: ffff9748c25e3f10 R15: ffff950a464f6000 # [ 31.494531] FS: 00007f482e471740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 31.503849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.510556] CR2: ffffffff86640b60 CR3: 0000000107244003 CR4: 00000000003706e0 # [ 31.518815] Call Trace: # [ 31.521836] ? __die_body.cold+0x1a/0x1f # [ 31.526505] ? no_context+0x177/0x380 # [ 31.537096] ? exc_page_fault+0xd7/0x170 # [ 31.541765] ? asm_exc_page_fault+0x1e/0x30 # [ 31.552940] ? execute_location+0x45/0x56 # [ 31.563922] ? direct_entry.cold+0x2c/0x38 # [ 31.568785] ? full_proxy_write+0x53/0x80 # [ 31.573552] ? vfs_write+0xe7/0x3b0 # [ 31.583945] ? ksys_write+0x68/0xf0 # [ 31.588118] ? do_syscall_64+0x30/0x40 # [ 31.592591] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 31.598709] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 31.687277] CR2: ffffffff86640b60 # [ 31.691255] ---[ end trace 73e<6>[ 41.936315] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 41.947152] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 41.954573] ------------[ cut here ]------------ <4>[ 41.960023] refcount_t: underflow; use-after-free. <4>[ 41.965718] WARNING: CPU: 2 PID: 2246 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 88bf5ba8b16cc ]--- # [ 31.696700] RIP: 0010:lkdtm_BUG+0x5/0x1<4>[ 41.975441] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.064023] CPU: 2 PID: 2246 Comm: cat Tainted: G D W 5.10.218-cip49 #1 0 # [ 31.701368] Code: 89 ff e8 de ab 79 ff 48 c7 c0 ea ff ff<4>[ 42.072967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.086276] RIP: 0010:refcount_warn_saturate+0xba/0x110 ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff <4>[ 42.092438] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 42.119929] RSP: 0018:ffff9748c2dd3e40 EFLAGS: 00010286 <4>[ 42.126056] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 42.134320] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 42.142607] RBP: ffffffff86acfd40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.150871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 42.159134] R13: ffff9748c2dd3f10 R14: ffff9748c2dd3f10 R15: ffff950a4679f000 <4>[ 42.167400] FS: 00007f27583a9740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 42.176764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.183497] CR2: 00007f2758388000 CR3: 0000000104022002 CR4: 00000000003706e0 <4>[ 42.191761] Call Trace: <4>[ 42.194801] ? __warn+0x80/0x110 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f<4>[ 42.198706] ? refcount_warn_saturate+0xba/0x110 <4>[ 42.210360] ? report_bug+0x9e/0xc0 44 00 00 83 05 e0 0b eb 03 # [ 31.722639] RSP: 0018:ffff9748<4>[ 42.214577] ? handle_bug+0x41/0x90 <4>[ 42.224970] ? exc_invalid_op+0x14/0x70 <4>[ 42.229544] ? asm_exc_invalid_op+0x12/0x20 <4>[ 42.234525] ? refcount_warn_saturate+0xba/0x110 c1493e60 EFLAGS: 00010282 # [ 31.728762] RAX: ffffffff8478027<4>[ 42.239984] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 42.252610] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 42.259151] direct_entry.cold+0x2c/0x38 <4>[ 42.263825] full_proxy_write+0x53/0x80 0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.737022] <4>[ 42.268427] vfs_write+0xe7/0x3b0 <4>[ 42.278624] ksys_write+0x68/0xf0 <4>[ 42.282618] do_syscall_64+0x30/0x40 <4>[ 42.286925] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 42.292859] RIP: 0033:0x7f27584a4240 <4>[ 42.297141] 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 RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d<4>[ 42.318436] RSP: 002b:00007ffda3aacf38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 42.333401] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f27584a4240 <4>[ 42.341687] RDX: 000000000000001f RSI: 00007f2758388000 RDI: 0000000000000001 <4>[ 42.349948] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 <4>[ 42.358209] R10: 00007f27583c54d0 R11: 0000000000000202 R12: 00007f2758388000 <4>[ 42.366471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 42.374736] irq event stamp: 0 <4>[ 42.378457] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.385795] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.395223] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.404652] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.411944] ---[ end trace 73e88bf5ba8b16da ]--- <6>[ 42.417390] lkdtm: Negative detected: saturated 0 # [ 31.745281] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 31.753541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.761800] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 31.770060] FS: 00007f482e471740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 31.779387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.786093] CR2: ffffffff86640b60 CR3: 0000000107244003 CR4: 00000000003706e0 # [ 31.794354] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.804557] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1749, name: cat # [ 31.813294] INFO: lockdep is turned off. # [ 31.817959] irq event stamp: 0 # [ 31.821656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.828938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 31.838363] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 31.847787] softirqs last disabled at <6>[ 42.524311] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE (0): [<0000000000000000>] 0x0 # [ 31.855076] CPU: 1 PID: 1749<6>[ 42.536309] lkdtm: attempting bad refcount_sub_and_test() below zero Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ <4>[ 42.549914] ------------[ cut here ]------------ 31.864006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020<4>[ 42.561578] refcount_t: underflow; use-after-free. # [ 31.871100] Call Trace: # [ 31.874119] dump_stack+0x7<4>[ 42.573451] WARNING: CPU: 1 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 7/0x9b # [ 31.878108] ___might_sleep.cold+0xa6/0xb6 # [ 3<4>[ 42.589372] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table 1.889183] exit_signals+0x1c/0x300 # [ 31.893462] do_exit+0x<4>[ 42.677973] CPU: 1 PID: 2283 Comm: cat Tainted: G D W 5.10.218-cip49 #1 c2/0xab0 # [ 31.897279] ? ksys_write+0x68/0xf0 # [ 31.901<4>[ 42.693105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 454] make_task_dead+0x2f/0x30 # [ 31.905831] rewind_stack_a<4>[ 42.706438] RIP: 0010:refcount_warn_saturate+0xba/0x110 nd_make_dead+0x17/0x20 # [ 31.911372] RIP: 0033:0x7f482e56c24<4>[ 42.718779] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 0 # [ 31.915651] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89<4>[ 42.746270] RSP: 0018:ffff9748c2e53e40 EFLAGS: 00010286 <4>[ 42.758615] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 <4>[ 42.766881] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 <4>[ 42.781352] RBP: ffffffff86acfd60 R08: 0000000000000000 R09: 0000000000000000 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00<4>[ 42.789619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 42.804093] R13: ffff9748c2e53f10 R14: ffff9748c2e53f10 R15: ffff950a483b9000 00 00 00 48 83 ec 28 48 89 # [ 31.936913] RSP: 002b:00007ffc<4>[ 42.812361] FS: 00007efcbdb14740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 cba0fa08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 31.9<4>[ 42.827902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 45649] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f48<4>[ 42.840827] CR2: 00007efcbdaf3000 CR3: 000000010347c001 CR4: 00000000003706e0 2e56c240 # [ 31.953909] RDX: 000000000000000c RSI: 00007f482e<4>[ 42.855306] Call Trace: 450000 RDI: 0000000000000001 # [ 31.962167] RBP: 000000000000<4>[ 42.864548] ? __warn+0x80/0x110 000c R08: 00000000ffffffff R09: 0000000000000000 # [ 31.97043<4>[ 42.874653] ? refcount_warn_saturate+0xba/0x110 2] R10: 00007f482e48d4d0 R11: 0000000000000202 R12: 00007f482e45<4>[ 42.886316] ? report_bug+0x9e/0xc0 0000 # [ 31.978692] R13: 0000000000000001 R14: 00000000000200<4>[ 42.896718] ? handle_bug+0x41/0x90 00 R15: 0000000000000000 # EXEC_RODATA: saw 'call trace:': ok <4>[ 42.907117] ? exc_invalid_op+0x14/0x70 ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC<4>[ 42.917908] ? asm_exc_invalid_op+0x12/0x20 _USERSPACE.sh # Killed # [ 32.091321] lkdtm: Performing dire<4>[ 42.929088] ? refcount_warn_saturate+0xba/0x110 ct entry EXEC_USERSPACE # [ 32.098987] lkdtm: attempting ok e<4>[ 42.940749] __refcount_sub_and_test.constprop.0+0x3c/0x50 xecution at ffffffff84780640 # [ 32.112057] lkdtm: attempting<4>[ 42.953381] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b bad execution at 00007fc12883b000 # [ 32.125176] unable to e<4>[ 42.966116] direct_entry.cold+0x2c/0x38 xecute userspace code (SMEP?) (uid: 0) # [ 32.138055] BUG: un<4>[ 42.977005] full_proxy_write+0x53/0x80 able to handle page fault for address: 00007fc12883b000 # [ 3<4>[ 42.987795] vfs_write+0xe7/0x3b0 2.146024] #PF: supervisor instruction fetch in kernel mode # [ <4>[ 42.998002] ksys_write+0x68/0xf0 32.152624] #PF: error_code(0x0011) - permissions violation # <4>[ 43.008209] do_syscall_64+0x30/0x40 [ 32.159134] PGD 8000000106642067 P4D 8000000106642067 PUD 102<4>[ 43.018708] entry_SYSCALL_64_after_hwframe+0x67/0xd1 a26067 PMD 106ec7067 PTE 10ce04067 # [ 32.169150] Oops: 0011 <4>[ 43.030859] RIP: 0033:0x7efcbdc0f240 [#10] SMP PTI # [ 32.173432] CPU: 0 PID: 1786 Comm: cat Taint<4>[ 43.041357] 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 ed: G D W 5.10.218-cip49 #1 # [ 32.182372] Hardw<4>[ 43.068848] RSP: 002b:00007ffe1d5289c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.18947<4>[ 43.083812] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efcbdc0f240 6] RIP: 0010:0x7fc12883b000 # [ 32.193754] Code: Unable to ac<4>[ 43.098297] RDX: 000000000000001f RSI: 00007efcbdaf3000 RDI: 0000000000000001 cess opcode bytes at RIP 0x7fc12883afd6. # [ 32.201334] RSP: <4>[ 43.112776] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 0018:ffff9748c268be50 EFLAGS: 00010246 # [ 32.207449] RAX: 00<4>[ 43.127257] R10: 00007efcbdb304d0 R11: 0000000000000202 R12: 00007efcbdaf3000 00000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ <4>[ 43.141739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 32.215708] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ff<4>[ 43.156224] irq event stamp: 0 ff950abac1bf50 # [ 32.223966] RBP: 00007fc12883b000 R08: 0000<4>[ 43.166137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000 R09: 0000000000000000 # [ 32.232225] R10: 000000<4>[ 43.179647] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 00ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 32<4>[ 43.195295] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 .240483] R13: ffff9748c268bf10 R14: ffff9748c268bf10 R15: ffff95<4>[ 43.210941] softirqs last disabled at (0): [<0000000000000000>] 0x0 0a42989000 # [ 32.248743] FS: 00007fc128654740(0000) GS:ffff<4>[ 43.224451] ---[ end trace 73e88bf5ba8b16db ]--- 950abac00000(0000) knlGS:0000000000000000 # [ 32.258070] CS: <6>[ 43.236114] lkdtm: Negative detected: saturated 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.264775] CR2: 00007fc12883b000 CR3: 0000000104036003 CR4: 00000000003706f0 # [ 32.273034] Call Trace: # [ 32.276053] ? __die_body.cold+0x1a/0x1f # [ 32.280728] ? no_context+0x177/0x380 # [ 32.285113] ? exc_page_fault+0x53/0x170 # [ 32.289785] ? asm_exc_page_fault+0x1e/0x30 # [ 32.294748] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 32.300390] ? direct_entry.cold+0x2c/0x38 # [ 32.305252] ? full_proxy_write+0x53/0x80 # [ 32.310024] ? vfs_write+0xe7/0x3b0 # [ 32.314205] ? ksys_write+0x68/0xf0 # [ 32.318389] ? do_syscall_64+0x30/0x40 # [ 32.322861] ? entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 32.328988] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.411379] CR2: 00007fc12883b000 # [ 32.415366] ---[ end trace 73e88bf5ba8b16cd ]--- # [ 32.420810] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.425478] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 32.446740] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 32.452864] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.461122] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 32.469383] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 32.477642] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.485901] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 32.494160] FS: 00007fc128654740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 32.503488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.510193] CR2: 00007fc12883b000 CR3: 0000000104036003 CR4: 00000000003706f0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 32.604276] lkdtm: Performing direct entry EXEC_NULL # [ 32.611381] lkdtm: attempting ok execution at ffffffff84780640 # [ 32.624425] lkdtm: attempting bad execution at 0000000000000000 # [ 32.637539] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 32.651783] #PF: supervisor instruction fetch in kernel mode # [ 32.658383] #PF: error_code(0x0010) - not-present page # [ 32.664429] PGD 0 P4D 0 # [ 32.667544] Oops: 0010 [#11] SMP PTI # [ 32.671824] CPU: 0 PID: 1824 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 32.680763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.687859] RIP: 0010:0x0 # [ 32.691072] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 32.699039] RSP: 0018:ffff9748c2703e48 EFLAGS: 00010246 # [ 32.705162] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 32.713430] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 # [ 32.721690] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 32.729950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 32.738209] R13: ffff9748c2703f10 R14: ffff9748c2703f10 R15: ffff950a4277c000 # [ 32.746475] FS: 00007fcf2af58740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 32.755803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.762509] CR2: ffffffffffffffd6 CR3: 00000001009e2002 CR4: 00000000003706f0 # [ 32.770768] Call Trace: # [ 32.773789] ? __die_body.cold+0x1a/0x1f # [ 32.778481] ? no_context+0x177/0x380 # [ 32.782865] ? exc_page_fault+0x53/0x170 # [ 32.787537] ? asm_exc_page_fault+0x1e/0x30 # [ 32.792501] execute_location+0x45/0x56 # [ 32.797068] direct_entry.cold+0x2c/0x38 # [ 32.801738] full_proxy_write+0x53/0x80 # [ 32.806317] vfs_write+0xe7/0x3b0 # [ 32.810310] ksys_write+0x68/0xf0 # [ 32.814291] do_syscall_64+0x30/0x40 # [ 32.818571] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 32.824492] RIP: 0033:0x7fcf2b053240 # [ 32.828771] 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 # [ 32.8<6>[ 43.746554] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 50042] RSP: 002b:00007ffde713f0b8 EFLAGS: 00000202 ORIG_RAX: 000<6>[ 43.754989] lkdtm: attempting safe refcount_inc_not_zero() from zero 0000000000001 # [ 32.858788] RAX: ffffffffffffffda RBX: 00000<6>[ 43.768597] lkdtm: Good: zero detected <6>[ 43.779283] lkdtm: Correctly stayed at zero 0000000000a RCX: 00007fcf2b053240 # [ 32.867047] RDX: 0000000<6>[ 43.784245] lkdtm: attempting bad refcount_inc() from zero <4>[ 43.796873] ------------[ cut here ]------------ 00000000a RSI: 00007fcf2af37000 RDI: 0000000000000001 # [ 32.<4>[ 43.802322] refcount_t: addition on 0; use-after-free. 875307] RBP: 000000000000000a R08: 00000000ffffffff R09: 0000000<4>[ 43.814592] WARNING: CPU: 1 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000000 # [ 32.883566] R10: 00007fcf2af744d0 R11: 000000000<4>[ 43.830495] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table 0000202 R12: 00007fcf2af37000 # [ 32.891825] R13: 00000000000<4>[ 43.919068] CPU: 1 PID: 2316 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 43.934225] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00001 R14: 0000000000020000 R15: 0000000000000000 # [ 32.9000<4>[ 43.941326] RIP: 0010:refcount_warn_saturate+0x74/0x110 87] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_li<4>[ 43.953661] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 86 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 d_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo<4>[ 43.981149] RSP: 0018:ffff9748c2edbe48 EFLAGS: 00010286 _buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cr<4>[ 43.993492] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 44.007971] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 os_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_so<4>[ 44.016237] RBP: ffffffff86ad0101 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.030709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 c_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charge<4>[ 44.038975] R13: ffff9748c2edbf10 R14: ffff9748c2edbf10 R15: ffff950a467fc000 r gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth in<4>[ 44.053457] FS: 00007fef8ec2e740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 tel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc<4>[ 44.069001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core v<4>[ 44.081947] CR2: 00007fef8ec0d000 CR3: 00000001063e2003 CR4: 00000000003706e0 ideobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog i<4>[ 44.096426] Call Trace: nt3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x<4>[ 44.105669] ? __warn+0x80/0x110 _thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i<4>[ 44.115774] ? refcount_warn_saturate+0x74/0x110 2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_t<4>[ 44.127441] ? report_bug+0x9e/0xc0 hermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table<4>[ 44.137841] ? handle_bug+0x41/0x90 # [ 32.982481] CR2: 0000000000000000 # [ 32.986460] ---[ <4>[ 44.148240] ? exc_invalid_op+0x14/0x70 end trace 73e88bf5ba8b16ce ]--- # [ 32.991897] RIP: 0010:lkdt<4>[ 44.159029] ? asm_exc_invalid_op+0x12/0x20 m_BUG+0x5/0x10 # [ 32.996565] Code: 89 ff e8 de ab 79 ff 48 c<4>[ 44.170209] ? refcount_warn_saturate+0x74/0x110 7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7<4>[ 44.181870] ? refcount_warn_saturate+0x74/0x110 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0<4>[ 44.193533] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 0 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 33.017836] RSP: <4>[ 44.205002] direct_entry.cold+0x2c/0x38 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 33.023959] RAX: ff<4>[ 44.215891] full_proxy_write+0x53/0x80 ffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 44.226682] vfs_write+0xe7/0x3b0 33.032219] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ff<4>[ 44.236886] ksys_write+0x68/0xf0 ffffff866406d0 # [ 33.040478] RBP: ffffffff86b36d38 R08: 0000<4>[ 44.247092] do_syscall_64+0x30/0x40 000000000001 R09: 0000000000000001 # [ 33.048736] R10: 000000<4>[ 44.257589] entry_SYSCALL_64_after_hwframe+0x67/0xd1 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33<4>[ 44.269736] RIP: 0033:0x7fef8ed29240 .056996] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff95<4>[ 44.280232] 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 0a42745000 # [ 33.065255] FS: 00007fcf2af58740(0000) GS:ffff<4>[ 44.307722] RSP: 002b:00007fff101e2bb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 950abac00000(0000) knlGS:0000000000000000 # [ 33.074582] CS: <4>[ 44.322686] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fef8ed29240 <4>[ 44.337163] RDX: 0000000000000012 RSI: 00007fef8ec0d000 RDI: 0000000000000001 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.081287] <4>[ 44.345435] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 CR2: ffffffffffffffd6 CR3: 00000001009e2002 CR4: 00000000003706f<4>[ 44.359906] R10: 00007fef8ec4a4d0 R11: 0000000000000202 R12: 00007fef8ec0d000 <4>[ 44.374385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 0 # [ 33.089547] BUG: sleeping function called from invalid c<4>[ 44.382656] irq event stamp: 0 <4>[ 44.392558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ontext at include/linux/percpu-rwsem.h:49 # [ 33.099750] in_a<4>[ 44.399852] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 tomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1824, name: c<4>[ 44.415488] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.431134] softirqs last disabled at (0): [<0000000000000000>] 0x0 at # [ 33.108486] INFO: lockdep is turned off. # [ 33.1131<4>[ 44.438433] ---[ end trace 73e88bf5ba8b16dc ]--- 53] irq event stamp: 0 # [ 33.116850] hardirqs last enabled <6>[ 44.450091] lkdtm: Zero detected: saturated at (0): [<0000000000000000>] 0x0 # [ 33.124140] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.133567] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.142991] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.150281] CPU: 0 PID: 1824 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 33.159220] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.166313] Call Trace: # [ 33.169333] dump_stack+0x77/0x9b # [ 33.173328] ___might_sleep.cold+0xa6/0xb6 # [ 33.178192] exit_signals+0x1c/0x300 # [ 33.182476] do_exit+0xc2/0xab0 # [ 33.186271] ? ksys_write+0x68/0xf0 # [ 33.190455] make_task_dead+0x2f/0x30 # [ 33.194833] rewind_stack_and_make_dead+0x17/0x20 # [ 33.200373] RIP: 0033:0x7fcf2b053240 # [ 33.204653] 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 # [ 33.225926] RSP: <6>[ 44.563746] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 002b:00007ffde713f0b8 EFLAGS: 00000202 ORIG_RAX: 000000000000000<6>[ 44.573555] lkdtm: attempting safe refcount_add_not_zero() from zero 1 # [ 33.234664] RAX: ffffffffffffffda RBX: 000000000000000a <6>[ 44.587194] lkdtm: Good: zero detected RCX: 00007fcf2b053240 # [ 33.242914] RDX: 000000000000000a RS<6>[ 44.597862] lkdtm: Correctly stayed at zero I: 00007fcf2af37000 RDI: 0000000000000001 # [ 33.251174] RBP:<6>[ 44.609035] lkdtm: attempting bad refcount_add() from zero 000000000000000a R08: 00000000ffffffff R09: 0000000000000000 #<4>[ 44.621704] ------------[ cut here ]------------ [ 33.259433] R10: 00007fcf2af744d0 R11: 0000000000000202 R12:<4>[ 44.633344] refcount_t: addition on 0; use-after-free. 00007fcf2af37000 # [ 33.267692] R13: 0000000000000001 R14: 0<4>[ 44.645669] WARNING: CPU: 0 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000000020000 R15: 0000000000000000 # EXEC_NULL: saw 'call tr<4>[ 44.661524] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table ace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lk<4>[ 44.750173] CPU: 0 PID: 2349 Comm: cat Tainted: G D W 5.10.218-cip49 #1 dtm: ACCESS_USERSPACE.sh # Killed # [ 33.371219] lkdtm: Perf<4>[ 44.765265] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 orming direct entry ACCESS_USERSPACE # [ 33.381953] lkdtm: at<4>[ 44.778615] RIP: 0010:refcount_warn_saturate+0x74/0x110 tempting bad read at 00007f3e600ee000 # [ 33.388390] BUG: una<4>[ 44.790915] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 86 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 ble to handle page fault for address: 00007f3e600ee000 # [ 33<4>[ 44.818405] RSP: 0018:ffff9748c2f53e48 EFLAGS: 00010286 .402556] #PF: supervisor read access in kernel mode # [ 33.40<4>[ 44.830760] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 8585] #PF: error_code(0x0001) - permissions violation # [ 33.<4>[ 44.845258] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 415097] PGD 8000000108398067 P4D 8000000108398067 PUD 108595067 <4>[ 44.859736] RBP: ffffffff86ad0113 R08: 0000000000000000 R09: 0000000000000000 PMD 10853c067 PTE 10a94e067 # [ 33.425108] Oops: 0001 [#12] S<4>[ 44.874220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 MP PTI # [ 33.429387] CPU: 3 PID: 1860 Comm: cat Tainted: G <4>[ 44.888687] R13: ffff9748c2f53f10 R14: ffff9748c2f53f10 R15: ffff950a409e9000 D W 5.10.218-cip49 #1 # [ 33.438319] Hardware nam<4>[ 44.903210] FS: 00007f2811774740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.445436] RIP:<4>[ 44.918752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 33.451949] Co<4>[ 44.931684] CR2: 00007f2811753000 CR3: 0000000103ff8004 CR4: 00000000003706f0 de: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 <4>[ 44.946147] Call Trace: c7 88 0f ad 86 e8 c9 d6 fb ff 48 c7 c7 b0 0f ad 86 b8 de c0 de c<4>[ 44.955425] ? __warn+0x80/0x110 0 <48> 03 45 00 48 89 04 24 e8 b0 d6 fb ff 48 89 ee 48 c7 c7 d8 <4>[ 44.965510] ? refcount_warn_saturate+0x74/0x110 0f ad # [ 33.473213] RSP: 0018:ffff9748c278be48 EFLAGS: 00010<4>[ 44.977193] ? report_bug+0x9e/0xc0 246 # [ 33.479329] RAX: 00000000c0dec0de RBX: 000000000000002<4>[ 44.987595] ? handle_bug+0x41/0x90 6 RCX: 0000000000000000 # [ 33.487587] RDX: 0000000000000000 <4>[ 44.998001] ? exc_invalid_op+0x14/0x70 RSI: ffff950abad9bf50 RDI: ffffffff86ad0fb0 # [ 33.495847] RB<4>[ 45.008809] ? asm_exc_invalid_op+0x12/0x20 P: 00007f3e600ee000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.019988] ? refcount_warn_saturate+0x74/0x110 # [ 33.504106] R10: 00000000ffffe000 R11: 3fffffffffffffff R1<4>[ 45.031652] ? refcount_warn_saturate+0x74/0x110 2: 0000000000000011 # [ 33.512365] R13: ffff9748c278bf10 R14:<4>[ 45.043303] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 ffff9748c278bf10 R15: ffff950a44653000 # [ 33.520625] FS: 0<4>[ 45.054811] direct_entry.cold+0x2c/0x38 0007f3e5ff07740(0000) GS:ffff950abad80000(0000) knlGS:0000000000<4>[ 45.065720] full_proxy_write+0x53/0x80 000000 # [ 33.529953] CS: 0010 DS: 0000 ES: 0000 CR0: 000000<4>[ 45.076524] vfs_write+0xe7/0x3b0 0080050033 # [ 33.536659] CR2: 00007f3e600ee000 CR3: 00000001<4>[ 45.086721] ksys_write+0x68/0xf0 08156001 CR4: 00000000003706e0 # [ 33.544917] Call Trace: # <4>[ 45.096923] do_syscall_64+0x30/0x40 [ 33.547938] ? __die_body.cold+0x1a/0x1f # [ 33.552607] ?<4>[ 45.107432] entry_SYSCALL_64_after_hwframe+0x67/0xd1 no_context+0x177/0x380 # [ 33.556986] ? exc_page_fault+0x53<4>[ 45.119602] RIP: 0033:0x7f281186f240 /0x170 # [ 33.561653] ? asm_exc_page_fault+0x1e/0x30 # [ <4>[ 45.130087] 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 33.566613] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 33.57<4>[ 45.157584] RSP: 002b:00007ffeb792e058 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 2447] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 33.578282]<4>[ 45.172542] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f281186f240 direct_entry.cold+0x2c/0x38 # [ 33.582951] full_proxy_writ<4>[ 45.187025] RDX: 0000000000000012 RSI: 00007f2811753000 RDI: 0000000000000001 e+0x53/0x80 # [ 33.587524] vfs_write+0xe7/0x3b0 # [ 33.59<4>[ 45.201501] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 1512] ksys_write+0x68/0xf0 # [ 33.595493] do_syscall_64+0x3<4>[ 45.216006] R10: 00007f28117904d0 R11: 0000000000000202 R12: 00007f2811753000 0/0x40 # [ 33.599773] entry_SYSCALL_64_after_hwframe+0x67/0x<4>[ 45.230469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 d1 # [ 33.605704] RIP: 0033:0x7f3e60002240 # [ 33.609975] <4>[ 45.244956] irq event stamp: 0 Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff f<4>[ 45.254859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f<4>[ 45.268375] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 2<4>[ 45.284011] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 8 48 89 # [ 33.631236] RSP: 002b:00007ffcbfaeb338 EFLAGS: 000<4>[ 45.299668] softirqs last disabled at (0): [<0000000000000000>] 0x0 00202 ORIG_RAX: 0000000000000001 # [ 33.639980] RAX: ffffffff<4>[ 45.313169] ---[ end trace 73e88bf5ba8b16dd ]--- ffffffda RBX: 0000000000000011 RCX: 00007f3e60002240 # [ 33.6<6>[ 45.324839] lkdtm: Zero detected: saturated 48240] RDX: 0000000000000011 RSI: 00007f3e5fee6000 RDI: 0000000000000001 # [ 33.656499] RBP: 0000000000000011 R08: 00000000ffffffff R09: 0000000000000000 # [ 33.664758] R10: 00007f3e5ff234d0 R11: 0000000000000202 R12: 00007f3e5fee6000 # [ 33.673017] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 33.681279] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backl<6>[ 45.445743] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 45.454967] lkdtm: attempting bad refcount_inc() from saturated <4>[ 45.461878] ------------[ cut here ]------------ <4>[ 45.467361] refcount_t: saturated; leaking memory. <4>[ 45.473066] WARNING: CPU: 2 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ight coreboot_table # [ 33.769878] CR2: 00007f3e600ee000 # [<4>[ 45.482799] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 45.571397] CPU: 2 PID: 2385 Comm: cat Tainted: G D W 5.10.218-cip49 #1 33.773866] ---[ end trace 73e88bf5ba8b16cf ]--- # [ 33.779<4>[ 45.580357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.593670] RIP: 0010:refcount_warn_saturate+0x51/0x110 302] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.783969] Code: 89 ff <4>[ 45.599826] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 <4>[ 45.627314] RSP: 0018:ffff9748c2fe3e48 EFLAGS: 00010286 <4>[ 45.633487] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 45.641785] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 <4>[ 45.650050] RBP: ffffffff86ad0125 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.658315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 45.666580] R13: ffff9748c2fe3f10 R14: ffff9748c2fe3f10 R15: ffff950a46286000 <4>[ 45.674846] FS: 00007f768e29f740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 45.684210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.690922] CR2: 00007f768e27e000 CR3: 0000000103acc005 CR4: 00000000003706e0 <4>[ 45.699188] Call Trace: <4>[ 45.702247] ? __warn+0x80/0x110 e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c<4>[ 45.706172] ? refcount_warn_saturate+0x51/0x110 <4>[ 45.717829] ? report_bug+0x9e/0xc0 <4>[ 45.722049] ? handle_bug+0x41/0x90 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b <4>[ 45.726268] ? exc_invalid_op+0x14/0x70 <4>[ 45.737057] ? asm_exc_invalid_op+0x12/0x20 <4>[ 45.742057] ? refcount_warn_saturate+0x51/0x110 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [<4>[ 45.747525] ? refcount_warn_saturate+0x51/0x110 <4>[ 45.759182] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 45.764956] direct_entry.cold+0x2c/0x38 33.805240] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ <4>[ 45.769659] full_proxy_write+0x53/0x80 <4>[ 45.780444] vfs_write+0xe7/0x3b0 33.811353] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 000<4>[ 45.784444] ksys_write+0x68/0xf0 <4>[ 45.794642] do_syscall_64+0x30/0x40 <4>[ 45.798959] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 45.804926] RIP: 0033:0x7f768e39a240 <4>[ 45.809241] 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>[ 45.830542] RSP: 002b:00007ffd6b9ab228 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 45.839325] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f768e39a240 <4>[ 45.847590] RDX: 0000000000000017 RSI: 00007f768e27e000 RDI: 0000000000000001 <4>[ 45.855857] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 45.864122] R10: 00007f768e2bb4d0 R11: 0000000000000202 R12: 00007f768e27e000 <4>[ 45.872388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 45.880677] irq event stamp: 0 0000000000000 # [ 33.819613] RDX: 0000000000000000 RSI: ffff9<4>[ 45.884403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.897908] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.907367] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.916795] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.924086] ---[ end trace 73e88bf5ba8b16de ]--- <6>[ 45.929533] lkdtm: Saturation detected: still saturated 50abac9bf50 RDI: ffffffff866406d0 # [ 33.827873] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 33.836133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.844391] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 33.852650] FS: 00007f3e5ff07740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 # [ 33.861978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.868684] CR2: 00007f3e600ee000 CR3: 0000000108156001 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 33.967113] lkdtm: Performing direct entry ACCESS_NULL # [ 33.976259] lkdtm: attempting bad read at 0000000000000000 # [ 33.988912] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 34.003171] #PF: supervisor read access in kernel mode # [ 34.009198] #PF: error_code(0x0000) - not-present page # [ 34.015224] PGD 0 P4D 0 # [ 34.018331] Oops: 0000 [#13] SMP PTI # [ 34.022611] CPU: 0 PID: 1896 Comm: cat Tainted: G D W 5.10.218<6>[ 46.042051] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 46.054667] lkdtm: attempting bad refcount_dec() from saturated <4>[ 46.061582] ------------[ cut here ]------------ <4>[ 46.067033] refcount_t: decrement hit 0; leaking memory. <4>[ 46.073288] WARNING: CPU: 3 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 -cip49 #1 # [ 34.031541] Hardware name: Google Rammus/Rammus,<4>[ 46.083013] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 46.171583] CPU: 3 PID: 2422 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 46.180560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.187693] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 46.193851] Code: 90 a8 a2 86 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 a8 a2 86 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 46.215149] RSP: 0018:ffff9748c3093e48 EFLAGS: 00010286 BIOS 09/04/2020 # [ 34.038640] RIP: 0010:lkdtm_ACCESS_NULL+<4>[ 46.221289] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 46.235761] RDX: ffff950abadac620 RSI: ffff950abad9bf50 RDI: ffff950abad9bf50 <4>[ 46.244025] RBP: ffffffff86ad013c R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.252287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 46.260552] R13: ffff9748c3093f10 R14: ffff9748c3093f10 R15: ffff950a486f1000 <4>[ 46.268815] FS: 00007fe2b300f740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 <4>[ 46.278146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.284856] CR2: 00007fe2b2fee000 CR3: 00000001052e6004 CR4: 00000000003706e0 <4>[ 46.293119] Call Trace: <4>[ 46.296143] ? __warn+0x80/0x110 0x14/0x53 # [ 34.044187] Code: 6d d6 fb ff be 00 10 00 00 48 <4>[ 46.300062] ? refcount_warn_saturate+0xfb/0x110 <4>[ 46.311719] ? report_bug+0x9e/0xc0 <4>[ 46.315906] ? handle_bug+0x41/0x90 <4>[ 46.320115] ? exc_invalid_op+0x14/0x70 <4>[ 46.324690] ? asm_exc_invalid_op+0x12/0x20 <4>[ 46.329654] ? refcount_warn_saturate+0xfb/0x110 <4>[ 46.335125] ? refcount_warn_saturate+0xfb/0x110 <4>[ 46.340574] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 46.346315] direct_entry.cold+0x2c/0x38 <4>[ 46.350988] full_proxy_write+0x53/0x80 <4>[ 46.355563] vfs_write+0xe7/0x3b0 <4>[ 46.359578] ksys_write+0x68/0xf0 <4>[ 46.363571] do_syscall_64+0x30/0x40 <4>[ 46.367853] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 46.373787] RIP: 0033:0x7fe2b310a240 <4>[ 46.378068] 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>[ 46.399346] RSP: 002b:00007ffff040f768 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 46.408097] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe2b310a240 <4>[ 46.416359] RDX: 0000000000000017 RSI: 00007fe2b2fee000 RDI: 0000000000000001 <4>[ 46.424623] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 46.432885] R10: 00007fe2b302b4d0 R11: 0000000000000202 R12: 00007fe2b2fee000 <4>[ 46.441150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 46.449440] irq event stamp: 0 89 ef e8 cb f4 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c<4>[ 46.453144] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.466647] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.476076] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.485507] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.492799] ---[ end trace 73e88bf5ba8b16df ]--- <6>[ 46.498245] lkdtm: Saturation detected: still saturated 7 c7 88 0f ad 86 e8 47 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 0f ad 86 48 01 # [ 34.065459] RSP: 0018:ffff9748c2813e58 EFLAGS: 00010246 # [ 34.071575] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 34.079827] RDX: 0000000000000000 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 # [ 34.088087] RBP: ffffffff86ad0079 R08: 0000000000000000 R09: 0000000000000000 # [ 34.096346] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 34.104605] R13: ffff9748c2813f10 R14: ffff9748c2813f10 R15: ffff950a46f02000 # [ 34.112864] FS: 00007f5d9ffb5740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 34.122184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.128891] CR2: 0000000000000000 CR3: 0000000108156001 CR4: 00000000003706f0 # [ 34.137143] Call Trace: # [ 34.140163] ? __die_body.cold+0x1a/0x1f # [ 34.144838] ? no_context+0x177/0x380 # [ 34.149222] ? exc_page_fault+0x53/0x170 # [ 34.153896] ? asm_exc_page_fault+0x1e/0x30 # [ 34.158858] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 34.163724] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 34.168586] direct_entry.cold+0x2c/0x38 # [ 34.173256] full_proxy_write+0x53/0x80 # [ 34.177835] vfs_write+0xe7/0x3b0 # [ 34.181829] ksys_write+0x68/0xf0 # [ 34.185817] do_syscall_64+0x30/0x40 # [ 34.190096] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 34.196028] RIP: 0033:0x7f5da00b0240 # [ 34.200307] 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 # [ 34.221579] RSP: 002b:00007fffded69978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.230324] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5da00b0240 # [ 34.238584] RDX: 000000000000000c RSI: 00007f5d9ff94000 RDI: 0000000000000001 # [ 34.246843] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 34.255103] R10: 00007f5d9ffd14d0 R11: 0000000000000202 R12: 00007f5d9ff94000 # [ 34.263362] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 34.271625] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 34.354028] CR2: 0000000000000000 # [ 34.358016] ---[ end trace 73e88bf5ba8b16d0 ]--- # [ 34.363462] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.368129] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 34.389401] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 34.395524] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.403783] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 34.412042] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 34.420304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.428554] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 34.436813] FS: 00007f5d9ffb5740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 34.446143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.452840] CR2: 0000000000000000 CR3: 0000000108156001 CR4: 00000000003706f0 # [ 34.461100] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.471300] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1896, name: cat # [ 34.480046] INFO: lockdep is turned off. # [ 34.484712] irq event stamp: 0 # [ 34.488408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.495698] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.505124] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.514539] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.521829] CPU: 0 PID: 1896 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 34.530770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.537864] Call Trace: # [ 34.540884] dump_stack+0x77/0x9b # [ 34.544878] ___might_sleep.cold+0xa6/0xb6 # [ 34.549732] exit_signals+0x1c/0x300 # [ 34.554018] do_exit+0xc2/0xab0 # [ 34.557812] ? ksys_write+0x68/0xf0 # [ 34.561986] make_task_dead+0x2f/0x30 # [ 34.566356] rewind_stack_and_make_dead+0x17/0x20 # [ 34.571897] RIP: 0033:0x7f5da00b0240 # [ 34.576175] 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 # [ 34.597450] RSP: 002b:00007fffded69978 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 34.606196] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5da00b0240 # [ 34.614455] RDX: 000000000000000c RSI: 00007f5d9ff94000 RDI: 0000000000000001 # [ 34.622715] RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 # [ 34.630975] R10: 00007f5d9ffd14d0 R11: 0000000000000202 R12: 00007f5d9ff94000 # [ 34.639228] 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 # [ 34.750465] lkdtm: Performing direct entry WRITE_RO # [ 34.758899] lkdtm: attempting bad rodata write at ffffffff86640b50 # [ 34.772315] BUG: unable to handle page fault for address: ffffffff86640b50 # [ 34.786496] #PF: supervisor write access in kernel mode # [ 34.792622] #PF: error_code(0x0003) - permissions violation # [ 34.799134] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD 80000001784000e1 # [ 34.807204] Oops: 0003 [#14] SMP PTI # [ 34.817696] CPU: 1 PID: 1932 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 34.826634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.833730] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 34.838982] Code: 00 48 c7 c7 68 0e ad 86 48 c7 c6 50 0b 64 86 e8 f1 d8 fb ff 48 8b 05 a5 83 7e 01 ba 34 12 cd ab 48 c7 c7 98 0e ad 86 48 31 d0 <48> 89 05 8f 83 7e 01 e9 cf d8 fb ff 0f 1f 44 00 00 48 8b 05 7e 0b # [ 34.866478] RSP: 0018:ffff9748c286be60 EFLAGS: 00010202 # [ 34.872604] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 34.880864] RDX: 00000000abcd1234 RSI: ffff950abac9bf50 RDI: ffffffff86ad0e98 # [ 34.889123] RBP: ffffffff86ad0085 R08: 0000000000000000 R09: 0000000000000000 # [ 34.897381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 34.905640] R13: ffff9748c286bf10 R14: ffff9748c286bf10 R15: ffff950a4627e000 # [ 34.913898] FS: 00007f5380a93740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 34.923226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.929932] CR2: ffffffff86640b50 CR3: 0000000107024006 CR4: 00000000003706e0 # [ 34.938191] Call Trace: # [ 34.941211] ? __die_body.cold+0x1a/0x1f # [ 34.945882] ? no_context+0x177/0x380 # [ 34.956485] ? exc_page_fault+0xd7/0x170 # [ 34.961152] ? asm_exc_page_fault+0x1e/0x30 # [ 34.972325] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 34.976898] direct_entry.cold+0x2c/0x38 # [ 34.987778] full_proxy_write+0x53/0x80 # [ 34.992353] vfs_write+0xe7/0x3b0 # [ 35.002553] ksys_write+0x68/0xf0 # [ 35.006542] do_syscall_64+0x30/0x40 # [ 35.010822] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 35.016752] RIP: 0033:0x7f5380b8e240 # [ 35.021031] 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 # [ 35.042302] RSP: 002b:00007ffd164bce68 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.051049] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f5380b8e240 # [ 35.059308] RDX: 000<6>[ 47.376491] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 0000000000009 RSI: 00007f5380a72000 RDI: 0000000000000001 # [ <6>[ 47.386575] lkdtm: attempting bad refcount_dec() from saturated 35.067565] RBP: 0000000000000009 R08: 00000000ffffffff R09: 000<4>[ 47.399699] ------------[ cut here ]------------ 0000000000000 # [ 35.075824] R10: 00007f5380aaf4d0 R11: 00000<4>[ 47.411361] refcount_t: saturated; leaking memory. 00000000202 R12: 00007f5380a72000 # [ 35.084083] R13: 0000000<4>[ 47.423248] WARNING: CPU: 1 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 35.<4>[ 47.439154] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table 092347] Modules linked in: fuse ip_tables cros_ec_sensors cros_e<4>[ 47.527725] CPU: 1 PID: 2458 Comm: cat Tainted: G D W 5.10.218-cip49 #1 c_lid_angle cros_ec_sensors_core industrialio_triggered_buffer k<4>[ 47.542880] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightba<4>[ 47.556198] RIP: 0010:refcount_warn_saturate+0x51/0x110 r cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel sn<4>[ 47.568559] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 d_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_ch<4>[ 47.596034] RSP: 0018:ffff9748c312be48 EFLAGS: 00010286 arger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetoot<4>[ 47.608375] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 h intel_pmc_core uvcvideo processor_thermal_device videobuf2_vma<4>[ 47.622854] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 <4>[ 47.637332] RBP: ffffffff86ad0153 R08: 0000000000000000 R09: 0000000000000000 lloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_co<4>[ 47.645598] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 re videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchd<4>[ 47.660074] R13: ffff9748c312bf10 R14: ffff9748c312bf10 R15: ffff950a46447000 og int3403_thermal videobuf2_common snd_compress iwlwifi ecc int<4>[ 47.674558] FS: 00007fb920647740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c el<4>[ 47.690103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 an_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal ac<4>[ 47.703034] CR2: 00007fb920626000 CR3: 0000000107d40002 CR4: 00000000003706e0 pi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_t<4>[ 47.717512] Call Trace: able # [ 35.180911] CR2: ffffffff86640b50 # [ 35.184900] -<4>[ 47.726751] ? __warn+0x80/0x110 --[ end trace 73e88bf5ba8b16d1 ]--- # [ 35.190345] RIP: 0010:<4>[ 47.736857] ? refcount_warn_saturate+0x51/0x110 lkdtm_BUG+0x5/0x10 # [ 35.195013] Code: 89 ff e8 de ab 79 ff <4>[ 47.748520] ? report_bug+0x9e/0xc0 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 4<4>[ 47.758922] ? handle_bug+0x41/0x90 8 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 <4>[ 47.769320] ? exc_invalid_op+0x14/0x70 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # [ 35.216283] R<4>[ 47.780110] ? asm_exc_invalid_op+0x12/0x20 SP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 35.222429] RAX<4>[ 47.791290] ? refcount_warn_saturate+0x51/0x110 : ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.802950] ? refcount_warn_saturate+0x51/0x110 # [ 35.230688] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI<4>[ 47.814612] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 : ffffffff866406d0 # [ 35.238947] RBP: ffffffff86b36d38 R08: <4>[ 47.826568] direct_entry.cold+0x2c/0x38 0000000000000001 R09: 0000000000000001 # [ 35.247206] R10: 00<4>[ 47.837454] full_proxy_write+0x53/0x80 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <4>[ 47.848244] vfs_write+0xe7/0x3b0 35.255465] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ff<4>[ 47.858451] ksys_write+0x68/0xf0 ff950a42745000 # [ 35.263726] FS: 00007f5380a93740(0000) GS:<4>[ 47.868657] do_syscall_64+0x30/0x40 ffff950abac80000(0000) knlGS:0000000000000000 # [ 35.273046] <4>[ 47.879155] entry_SYSCALL_64_after_hwframe+0x67/0xd1 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.2797<4>[ 47.891303] RIP: 0033:0x7fb920742240 53] CR2: ffffffff86640b50 CR3: 0000000107024006 CR4: 00000000003<4>[ 47.901801] 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 706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm<4>[ 47.929290] RSP: 002b:00007ffcef9b0fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 : WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Kil<4>[ 47.944257] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb920742240 led # [ 35.376513] lkdtm: Performing direct entry WRITE_RO_AF<4>[ 47.958736] RDX: 0000000000000017 RSI: 00007fb920626000 RDI: 0000000000000001 TER_INIT # [ 35.388061] lkdtm: attempting bad ro_after_init w<4>[ 47.973216] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 rite at ffffffff86b59350 # [ 35.395973] BUG: unable to handle<4>[ 47.987697] R10: 00007fb9206634d0 R11: 0000000000000202 R12: 00007fb920626000 page fault for address: ffffffff86b59350 # [ 35.403959] #PF:<4>[ 48.002175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 supervisor write access in kernel mode # [ 35.416297] #PF: e<4>[ 48.016659] irq event stamp: 0 rror_code(0x0003) - permissions violation # [ 35.422807] PGD <4>[ 48.026571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 178c29067 P4D 178c29067 PUD 178c2a063 PMD 80000001788000e1 # [<4>[ 48.040081] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 35.430877] Oops: 0003 [#15] SMP PTI # [ 35.435156] CPU: 3 <4>[ 48.055725] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 PID: 1968 Comm: cat Tainted: G D W 5.10.218-cip49 #<4>[ 48.071370] softirqs last disabled at (0): [<0000000000000000>] 0x0 1 # [ 35.444096] Hardware name: Google Rammus/Rammus, BIOS 0<4>[ 48.084877] ---[ end trace 73e88bf5ba8b16e0 ]--- 9/04/2020 # [ 35.451184] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+<6>[ 48.096539] lkdtm: Saturation detected: still saturated 0x4e/0x5a # [ 35.457503] Code: 0e ad 86 e9 a3 d8 fb ff 48 c7 c7 f0 0e ad 86 e8 97 d8 fb ff 48 8b 05 4b 0b d0 01 ba 34 12 cd ab 48 c7 c7 98 0e ad 86 48 31 d0 <48> 89 05 35 0b d0 01 e9 75 d8 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 35.478765] RSP: 0018:ffff9748c2913e60 EFLAGS: 00010202 # [ 35.484888] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 35.493148] RDX: 00000000abcd1234 RSI: ffff950abad9bf50 RDI: ffffffff86ad0e98 # [ 35.501431] RBP: ffffffff86ad008e R08: 0000000000000000 R09: 0000000000000000 # [ 35.509690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 35.517949] R13: ffff9748c2913f10 R14: ffff9748c2913f10 R15: ffff950a44e59000 # [ 35.526209] FS: 00007f21a58b8740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 # [ 35.535537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.542243] CR2: ffffffff86b59350 CR3: 0000000107316001 CR4: 00000000003706e0 # [ 35.550501] Call Trace: # [ 35.553521] ? __die_body.cold+0x1a/0x1f # [ 35.558189] ? no_context+0x177/0x380 # [ 35.562567] ? exc_page_fault+0xd7/0x170 # [ 35.567235] ? asm_exc_page_fault+0x1e/0x30 # [ 35.572197] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 35.577837] direct_entry.cold+0x2c/0x38 # [ 35.582506] full_proxy_write+0x53/0x80 # [ 35.587077] vfs_write+0xe7/0x3b0 # [ 35.591058] ksys_write+0x68/0xf0 # [ 35.595047] do_syscall_64+0x30/0x40 # [ 35.599318] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 35.605248] RIP: 0033:0x7f21a59b3240 # [ 35.609527] 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 # [ 35.630791] RSP: 002b:00007ffda5234988 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 35.639535] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f21a59b3240 # [ 35.647796] RDX: 0000000000000014 RSI: 00007f21a5897000 RDI: 0000000000000001 # [ 35.656054] RBP: 0000000000000014 R08: 00000000ffffffff R09: 0000000000000000 # [ 35.664313] R10: 00007f21a58d44d0 R11: 0000000000000202 R12: 00007f21a5897000 # [ 35.672573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 35.680837] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.769437] CR2: ffffffff86b59350 # [ 35.773433] ---[ end trace 73e88bf5ba8b16d2 ]--- # [ 35.778877] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.783539] Code: 89 ff e8 de ab 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 e0 0b eb 03 # [ 35.804812] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ 35.810937] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.819197] RDX: 0000000000000000 RSI: ffff950abac9bf50 RDI: ffffffff866406d0 # [ 35.827470] RBP: ffffffff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 35.835760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.844019] R13: ffff9748c1493f10 R14: ffff9748c1493f10 R15: ffff950a42745000 # [ 35.852277] FS: 00007f21a58b8740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 # [ 35.861606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.868303] CR2: ffffffff86b59350 CR3: 0000000107316001 CR4: 00000000003706e0 # [ 35.876563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.886756] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1968, name: cat # [ 35.895499] INFO: lockdep is turned off. # [ 35.900165] irq event stamp: 0 # [ 35.903863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.911154] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.9<6>[ 48.570869] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 20578] softirqs last enabled at (0): [] copy_<6>[ 48.579881] lkdtm: attempting bad refcount_inc_not_zero() from saturated process+0x65c/0x20e0 # [ 35.930003] softirqs last disabled at<4>[ 48.593877] ------------[ cut here ]------------ (0): [<0000000000000000>] 0x0 # [ 35.937291] CPU: 3 PID: 196<4>[ 48.605536] refcount_t: saturated; leaking memory. 8 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ <4>[ 48.617433] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 35.946230] Hardware name: Google Rammus/Rammus, BIOS 09/04/202<4>[ 48.633331] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table 0 # [ 35.953323] Call Trace: # [ 35.956343] dump_stack+0x<4>[ 48.721901] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 48.737055] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 77/0x9b # [ 35.960331] ___might_sleep.cold+0xa6/0xb6 # [ <4>[ 48.744157] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 48.756496] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 35.965194] exit_signals+0x1c/0x300 # [ 35.969491] do_exit+0<4>[ 48.777777] RSP: 0018:ffff9748c31b3e38 EFLAGS: 00010282 xc2/0xab0 # [ 35.973285] ? ksys_write+0x68/0xf0 # [ 35.97<4>[ 48.790114] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 48.804592] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 7478] make_task_dead+0x2f/0x30 # [ 35.981855] rewind_stack_<4>[ 48.812856] RBP: ffffffff86acfd80 R08: 0000000000000000 R09: 0000000000000000 and_make_dead+0x17/0x20 # [ 35.987386] RIP: 0033:0x7f21a59b32<4>[ 48.827329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 48.841810] R13: ffff9748c31b3f10 R14: ffff9748c31b3f10 R15: ffff950a43312000 40 # [ 35.991665] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 8<4>[ 48.850079] FS: 00007f2ad6829740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74<4>[ 48.865641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.878546] CR2: 00007f2ad6808000 CR3: 000000010470e002 CR4: 00000000003706e0 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 0<4>[ 48.886811] Call Trace: 0 00 00 00 48 83 ec 28 48 89 # [ 36.012935] RSP: 002b:00007ff<4>[ 48.896062] ? __warn+0x80/0x110 da5234988 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 36.<4>[ 48.906150] ? refcount_warn_saturate+0x97/0x110 021680] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f2<4>[ 48.917814] ? report_bug+0x9e/0xc0 1a59b3240 # [ 36.029939] RDX: 0000000000000014 RSI: 00007f21a<4>[ 48.928215] ? handle_bug+0x41/0x90 5897000 RDI: 0000000000000001 # [ 36.038198] RBP: 00000000000<4>[ 48.938616] ? exc_invalid_op+0x14/0x70 <4>[ 48.949423] ? asm_exc_invalid_op+0x12/0x20 00014 R08: 00000000ffffffff R09: 0000000000000000 # [ 36.0464<4>[ 48.954416] ? refcount_warn_saturate+0x97/0x110 57] R10: 00007f21a58d44d0 R11: 0000000000000202 R12: 00007f21a58<4>[ 48.966048] ? refcount_warn_saturate+0x97/0x110 97000 # [ 36.054716] R13: 0000000000000001 R14: 0000000000020<4>[ 48.977712] __refcount_add_not_zero.constprop.0+0x2a/0x35 000 R15: 0000000000000000 # WRITE_RO_AFTER_INIT: saw 'call trac<4>[ 48.990344] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 e:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selft<4>[ 49.003173] direct_entry.cold+0x2c/0x38 ests: lkdtm: WRITE_KERN.sh # Killed # [ 36.162723] lkdtm: Pe<4>[ 49.014056] full_proxy_write+0x53/0x80 rforming direct entry WRITE_KERN # [ 36.174615] lkdtm: attemp<4>[ 49.024846] vfs_write+0xe7/0x3b0 ting bad 7176421 byte write at ffffffff84e58725 # [ 36.182451<4>[ 49.035053] ksys_write+0x68/0xf0 ] BUG: unable to handle page fault for address: ffffffff84e58725<4>[ 49.045260] do_syscall_64+0x30/0x40 # [ 36.196617] #PF: supervisor write access in kernel mode <4>[ 49.055757] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 36.202741] #PF: error_code(0x0003) - permissions violation<4>[ 49.067906] RIP: 0033:0x7f2ad6924240 # [ 36.209252] PGD 178c29067 P4D 178c29067 PUD 178c2a063 PMD<4>[ 49.078402] 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 176c000e1 # [ 36.216642] Oops: 0003 [#16] SMP PTI # [ 36<4>[ 49.105894] RSP: 002b:00007ffc13047d18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 49.120860] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2ad6924240 .220921] CPU: 2 PID: 2005 Comm: cat Tainted: G D W <4>[ 49.129125] RDX: 0000000000000020 RSI: 00007f2ad6808000 RDI: 0000000000000001 5.10.218-cip49 #1 # [ 36.229853] Hardware name: Google Rammus<4>[ 49.143605] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 /Rammus, BIOS 09/04/2020 # [ 36.236951] RIP: 0010:lkdtm_WRIT<4>[ 49.158080] R10: 00007f2ad68454d0 R11: 0000000000000202 R12: 00007f2ad6808000 E_KERN+0x38/0x4e # [ 36.242395] Code: 53 48 c7 c3 25 87 e5 84<4>[ 49.172558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 49 89 dc 48 89 da 49 81 ec 40 06 78 84 4c 89 e6 e8 4a d8 fb ff <4>[ 49.187043] irq event stamp: 0 48 89 df 4c 89 e1 48 c7 c6 40 06 78 84 a4 48 c7 c7 98 0e ad<4>[ 49.196955] hardirqs last enabled at (0): [<0000000000000000>] 0x0 86 e8 2f d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 36.263661] RSP<4>[ 49.210487] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 : 0018:ffff9748c297be50 EFLAGS: 00010246 # [ 36.269776] RAX: <4>[ 49.226129] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000000000000003c RBX: ffffffff84e58725 RCX: 00000000006d80e5 # <4>[ 49.241773] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.278036] RDX: 0000000000000000 RSI: ffffffff84780640 RDI: <4>[ 49.255279] ---[ end trace 73e88bf5ba8b16e1 ]--- ffffffff84e58725 # [ 36.286295] RBP: ffffffff86ad00a2 R08: 00<6>[ 49.266941] lkdtm: Saturation detected: still saturated 00000000000000 R09: 0000000000000000 # [ 36.294556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006d80e5 # [ 36.302816] R13: ffff9748c297bf10 R14: ffff9748c297bf10 R15: ffff950a4274e000 # [ 36.311075] FS: 00007fed82e53740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 36.320420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.327136] CR2: ffffffff84e58725 CR3: 0000000103ac4005 CR4: 00000000003706e0 # [ 36.341611] Call Trace: # [ 36.344631] ? __die_body.cold+0x1a/0x1f # [ 36.349299] ? no_context+0x177/0x380 # [ 36.353678] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 36.359431] ? exc_page_fault+0xd7/0x170 # [ 36.364101] ? asm_exc_page_fault+0x1e/0x30 # [ 36.369060] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 36.374796] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 36.379941] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 36.385676] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 36.390442] direct_entry.cold+0x2c/0x38 # [ 36.395113] full_proxy_write+0x53/0x80 # [ 36.399684] vfs_write+0xe7/0x3b0 # [ 36.403664] ksys_write+0x68/0xf0 # [ 36.407654] do_syscall_64+0x<6>[ 49.384960] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 30/0x40 # [ 36.411933] entry_SYSCALL_64_after_hwframe+0x67/0<6>[ 49.399144] lkdtm: attempting bad refcount_add_not_zero() from saturated xd1 # [ 36.417855] RIP: 0033:0x7fed82f4e240 # [ 36.422132]<4>[ 49.413178] ------------[ cut here ]------------ Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff <4>[ 49.424864] refcount_t: saturated; leaking memory. ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0<4>[ 49.436728] WARNING: CPU: 0 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec <4>[ 49.452722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table 28 48 89 # [ 36.443422] RSP: 002b:00007ffd585f1b08 EFLAGS: 00<4>[ 49.541235] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.218-cip49 #1 000202 ORIG_RAX: 0000000000000001 # [ 36.452170] RAX: fffffff<4>[ 49.556517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffffda RBX: 000000000000000b RCX: 00007fed82f4e240 # [ 36.<4>[ 49.569813] RIP: 0010:refcount_warn_saturate+0x97/0x110 466644] RDX: 000000000000000b RSI: 00007fed82e32000 RDI: 0000000<4>[ 49.582199] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 000000001 # [ 36.474895] RBP: 000000000000000b R08: 00000000f<4>[ 49.609624] RSP: 0018:ffff9748c325be38 EFLAGS: 00010282 fffffff R09: 0000000000000000 # [ 36.483155] R10: 00007fed82e<4>[ 49.621968] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 6f4d0 R11: 0000000000000202 R12: 00007fed82e32000 # [ 36.4914<4>[ 49.636446] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 28] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000<4>[ 49.650917] RBP: ffffffff86acfda0 R08: 0000000000000000 R09: 0000000000000000 00000 # [ 36.499693] Modules linked in: fuse ip_tables cros_e<4>[ 49.665426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 c_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_tr<4>[ 49.679907] R13: ffff9748c325bf10 R14: ffff9748c325bf10 R15: ffff950a48586000 iggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219<4>[ 49.694376] FS: 00007f0df9b01740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_de<4>[ 49.709926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 bugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorh<4>[ 49.722865] CR2: 00007f0df9ae0000 CR3: 00000001062fe003 CR4: 00000000003706f0 ub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_<4>[ 49.737358] Call Trace: pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_devi<4>[ 49.746610] ? __warn+0x80/0x110 ce videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_ge<4>[ 49.756734] ? refcount_warn_saturate+0x97/0x110 neric snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cr<4>[ 49.768401] ? report_bug+0x9e/0xc0 os_ec_dev watchdog int3403_thermal videobuf2_common snd_compress<4>[ 49.778807] ? handle_bug+0x41/0x90 iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_h<4>[ 49.789199] ? exc_invalid_op+0x14/0x70 id regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint in<4>[ 49.799985] ? asm_exc_invalid_op+0x12/0x20 t3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_back<4>[ 49.811181] ? refcount_warn_saturate+0x97/0x110 light coreboot_table # [ 36.588298] CR2: ffffffff84e58725 # <4>[ 49.822861] ? refcount_warn_saturate+0x97/0x110 [ 36.592286] ---[ end trace 73e88bf5ba8b16d3 ]--- # [ 36.59<4>[ 49.834529] __refcount_add_not_zero.constprop.0+0x2a/0x35 7731] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.602389] Code: 89 ff<4>[ 49.847170] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 e8 de ab 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff <4>[ 49.859997] direct_entry.cold+0x2c/0x38 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b<4>[ 49.870891] full_proxy_write+0x53/0x80 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 0b eb 03 # <4>[ 49.881674] vfs_write+0xe7/0x3b0 [ 36.623662] RSP: 0018:ffff9748c1493e60 EFLAGS: 00010282 # [ <4>[ 49.891881] ksys_write+0x68/0xf0 36.629785] RAX: ffffffff84780270 RBX: 0000000000000001 RCX: 00<4>[ 49.902097] do_syscall_64+0x30/0x40 00000000000000 # [ 36.638044] RDX: 0000000000000000 RSI: ffff<4>[ 49.912585] entry_SYSCALL_64_after_hwframe+0x67/0xd1 950abac9bf50 RDI: ffffffff866406d0 # [ 36.646303] RBP: ffffff<4>[ 49.924732] RIP: 0033:0x7f0df9bfc240 ff86b36d38 R08: 0000000000000001 R09: 0000000000000001 # [ 36<4>[ 49.935242] 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 .654564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 49.962787] RSP: 002b:00007ffe5ac24f28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 0000000004 # [ 36.662822] R13: ffff9748c1493f10 R14: ffff9748<4>[ 49.977732] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0df9bfc240 c1493f10 R15: ffff950a42745000 # [ 36.671083] FS: 00007fed82<4>[ 49.992241] RDX: 0000000000000020 RSI: 00007f0df9ae0000 RDI: 0000000000000001 e53740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 #<4>[ 50.006713] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 [ 36.680432] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<4>[ 50.021230] R10: 00007f0df9b1d4d0 R11: 0000000000000202 R12: 00007f0df9ae0000 3 # [ 36.687139] CR2: ffffffff84e58725 CR3: 0000000103ac4005 <4>[ 50.035728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 4<4>[ 50.050243] irq event stamp: 0 1 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_<4>[ 50.060150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 INC_OVERFLOW.sh # [ 36.790275] lkdtm: Performing direct entry<4>[ 50.073691] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 REFCOUNT_INC_OVERFLOW # [ 36.801917] lkdtm: attempting good <4>[ 50.089359] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 refcount_inc() without overflow # [ 36.815333] lkdtm: attempt<4>[ 50.105014] softirqs last disabled at (0): [<0000000000000000>] 0x0 ing bad refcount_inc() overflow # [ 36.827860] ------------[ <4>[ 50.118519] ---[ end trace 73e88bf5ba8b16e2 ]--- cut here ]------------ # [ 36.839500] refcount_t: saturated; <6>[ 50.130182] lkdtm: Saturation detected: still saturated leaking memory. # [ 36.851422] WARNING: CPU: 0 PID: 2041 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 36.867330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 36.955893] CPU: 0 PID: 2041 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 36.971078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.984361] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 36.996746] Code: 84 bc<6>[ 50.259744] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 50.268561] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 50.276371] ------------[ cut here ]------------ <4>[ 50.281821] refcount_t: underflow; use-after-free. <4>[ 50.287509] WARNING: CPU: 2 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee <4>[ 50.297232] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 50.385805] CPU: 2 PID: 2560 Comm: cat Tainted: G D W 5.10.218-cip49 #1 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b<4>[ 50.394775] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.408085] RIP: 0010:refcount_warn_saturate+0xba/0x110 c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 # <4>[ 50.414242] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 50.441729] RSP: 0018:ffff9748c32bbe40 EFLAGS: 00010286 <4>[ 50.447856] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 50.456144] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 [ 37.024219] RSP: 0018:ffff9748c2a3be48 EFLAGS: 00010286 # [ <4>[ 50.464420] RBP: ffffffff86acfdc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.478888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 50.487152] R13: ffff9748c32bbf10 R14: ffff9748c32bbf10 R15: ffff950a44025000 <4>[ 50.495437] FS: 00007f6dfe0b1740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 <4>[ 50.504768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.511493] CR2: 00007f6dfe090000 CR3: 0000000108508006 CR4: 00000000003706e0 <4>[ 50.519748] Call Trace: <4>[ 50.522771] ? __warn+0x80/0x110 37.036642] RAX: 0000000000000000 RBX: 000000000000002b RCX: 00<4>[ 50.526693] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.538349] ? report_bug+0x9e/0xc0 <4>[ 50.542536] ? handle_bug+0x41/0x90 <4>[ 50.546722] ? exc_invalid_op+0x14/0x70 <4>[ 50.551297] ? asm_exc_invalid_op+0x12/0x20 <4>[ 50.556262] ? refcount_warn_saturate+0xba/0x110 <4>[ 50.561733] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 50.568177] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 50.574816] direct_entry.cold+0x2c/0x38 <4>[ 50.579494] full_proxy_write+0x53/0x80 <4>[ 50.584095] vfs_write+0xe7/0x3b0 <4>[ 50.588087] ksys_write+0x68/0xf0 <4>[ 50.592079] do_syscall_64+0x30/0x40 <4>[ 50.596361] entry_SYSCALL_64_after_hwframe+0x67/0xd1 <4>[ 50.602294] RIP: 0033:0x7f6dfe1ac240 <4>[ 50.606577] 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>[ 50.627854] RSP: 002b:00007fff2077be88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 50.636605] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6dfe1ac240 <4>[ 50.644868] RDX: 0000000000000020 RSI: 00007f6dfe090000 RDI: 0000000000000001 <4>[ 50.653132] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 50.661398] R10: 00007f6dfe0cd4d0 R11: 0000000000000202 R12: 00007f6dfe090000 <4>[ 50.669662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 <4>[ 50.677947] irq event stamp: 0 00000000000000 # [ 37.051094] RDX: ffff950abac2c620 RSI: ffff<4>[ 50.681657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.695160] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.704590] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.714020] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.721311] ---[ end trace 73e88bf5ba8b16e3 ]--- <6>[ 50.726759] lkdtm: Saturation detected: still saturated 950abac1bf50 RDI: ffff950abac1bf50 # [ 37.065592] RBP: ffffffff86ad00ad R08: 0000000000000000 R09: 0000000000000000 # [ 37.080035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 37.094527] R13: ffff9748c2a3bf10 R14: ffff9748c2a3bf10 R15: ffff950a44e4d000 # [ 37.109001] FS: 00007fad2bb3c740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 37.124550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.137466] CR2: 00007fad2bb1b000 CR3: 0000000102748002 CR4: 00000000003706f0 # [ 37.151952] Call Trace: # [ 37.161189] ? __warn+0x80/0x110 # [ 37.171305] ? refcount_warn_saturate+0x51/0x110 # [ 37.182959] ? report_bug+0x9e/0xc0 # [ 37.193365] ? handle_bug+0x41/0x90 # [ 37.203750] ? exc_invalid_op+0x14/0x70 # [ 37.214560] ? asm_exc_invalid_op+0x12/0x20 # [ 37.225733] ? refcount_warn_saturate+0x51/0x110 # [ 37.237417] ? refcount_warn_saturate+0x51/0x110 # [ 37.249057] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 37.260933] direct_entry.cold+0x2c/0x38 # [ 37.271803] full_proxy_write+0x53/0x80 # [ 37.282603] vfs_write+0xe7/0x3b0 # [ 37.292796] ksys_write+0x68/0xf0 # [ 37.303016] do_syscall_64+0x30/<6>[ 50.846028] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 0x40 # [ 37.313496] entry_SYSCALL_64_after_hwframe+0x67/0xd1<6>[ 50.858994] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 37.325672] RIP: 0033:0x7fad2bc37240 # [ 37.336149] Co<4>[ 50.872987] ------------[ cut here ]------------ <4>[ 50.884647] refcount_t: underflow; use-after-free. de: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff <4>[ 50.890324] WARNING: CPU: 1 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 0<4>[ 50.906223] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table 5 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 <4>[ 50.994833] CPU: 1 PID: 2596 Comm: cat Tainted: G D W 5.10.218-cip49 #1 48 89 # [ 37.363660] RSP: 002b:00007ffcd5bd6718 EFLAGS: 00000<4>[ 51.009960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 202 ORIG_RAX: 0000000000000001 # [ 37.378608] RAX: ffffffffff<4>[ 51.023273] RIP: 0010:refcount_warn_saturate+0xba/0x110 ffffda RBX: 0000000000000016 RCX: 00007fad2bc37240 # [ 37.393<4>[ 51.035615] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 106] RDX: 0000000000000016 RSI: 00007fad2bb1b000 RDI: 0000000000<4>[ 51.063107] RSP: 0018:ffff9748c336be40 EFLAGS: 00010286 <4>[ 51.075465] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 000001 # [ 37.407561] RBP: 0000000000000016 R08: 00000000ffff<4>[ 51.083762] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 <4>[ 51.098235] RBP: ffffffff86acfde0 R08: 0000000000000000 R09: 0000000000000000 ffff R09: 0000000000000000 # [ 37.422051] R10: 00007fad2bb584<4>[ 51.106502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 51.120976] R13: ffff9748c336bf10 R14: ffff9748c336bf10 R15: ffff950a46117000 d0 R11: 0000000000000202 R12: 00007fad2bb1b000 # [ 37.436520]<4>[ 51.129241] FS: 00007f8618776740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 <4>[ 51.144785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000000<4>[ 51.151497] CR2: 00007f8618755000 CR3: 0000000107da4003 CR4: 00000000003706e0 <4>[ 51.165971] Call Trace: 00 # [ 37.451024] irq event stamp: 0 # [ 37.460918] hardir<4>[ 51.169016] ? __warn+0x80/0x110 qs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.4744<4>[ 51.179098] ? refcount_warn_saturate+0xba/0x110 42] hardirqs last disabled at (0): [] copy_pro<4>[ 51.190763] ? report_bug+0x9e/0xc0 cess+0x65c/0x20e0 # [ 37.490069] softirqs last enabled at (0<4>[ 51.201168] ? handle_bug+0x41/0x90 ): [] copy_process+0x65c/0x20e0 # [ 37.5057<4>[ 51.211569] ? exc_invalid_op+0x14/0x70 33] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [<4>[ 51.222362] ? asm_exc_invalid_op+0x12/0x20 37.519219] ---[ end trace 73e88bf5ba8b16d4 ]--- # [ 37.530<4>[ 51.233546] ? refcount_warn_saturate+0xba/0x110 898] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLO<4>[ 51.245208] __refcount_sub_and_test.constprop.0+0x3c/0x50 W: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_O<4>[ 51.257842] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 VERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ <4>[ 51.270677] direct_entry.cold+0x2c/0x38 37.638655] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <4>[ 51.281564] full_proxy_write+0x53/0x80 # [ 37.648885] lkdtm: attempting good refcount_add() without <4>[ 51.292352] vfs_write+0xe7/0x3b0 overflow # [ 37.662322] lkdtm: attempting bad refcount_add() <4>[ 51.302559] ksys_write+0x68/0xf0 overflow # [ 37.674854] ------------[ cut here ]------------ <4>[ 51.312767] do_syscall_64+0x30/0x40 # [ 37.686521] refcount_t: saturated; leaking memory. # [ <4>[ 51.323264] entry_SYSCALL_64_after_hwframe+0x67/0xd1 37.698413] WARNING: CPU: 0 PID: 2074 at lib/refcount.c:22 refcou<4>[ 51.335415] RIP: 0033:0x7f8618871240 nt_warn_saturate+0x51/0x110 # [ 37.714324] Modules linked in:<4>[ 51.345915] 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 fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensor<4>[ 51.373407] RSP: 002b:00007ffef74bb268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 s_core industrialio_triggered_buffer kfifo_buf industrialio btus<4>[ 51.388374] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8618871240 b btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_ch<4>[ 51.402855] RDX: 0000000000000020 RSI: 00007f8618755000 RDI: 0000000000000001 ardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_<4>[ 51.417338] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_<4>[ 51.431820] R10: 00007f86187924d0 R11: 0000000000000202 R12: 00007f8618755000 pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo <4>[ 51.446302] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf vi<4>[ 51.460788] irq event stamp: 0 deobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_<4>[ 51.470699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobu<4>[ 51.484210] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 f2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 s<4>[ 51.499856] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 nd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify p<4>[ 51.515500] softirqs last disabled at (0): [<0000000000000000>] 0x0 inctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_ps<4>[ 51.529011] ---[ end trace 73e88bf5ba8b16e4 ]--- tore cros_kbd_led_backlight coreboot_table # [ 37.802929] CPU<6>[ 51.540679] lkdtm: Saturation detected: still saturated : 0 PID: 2074 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 37.818068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.831430] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 37.843739] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 # [ 37.871283] RSP: 0018:ffff9748c2ae3e48 EFLAGS: 00010286 # [ 37.883574] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 37.898113] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 # [ 37.912576] RBP: ffffffff86ad00c3 R08: 0000000000000000 R09: 0000000000000000 # [ 37.927060] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 37.941489] R13: ffff9748c2ae3f10 R14: ffff9748c2ae3f10 R15: ffff950a42731000 # [ 37.955972] FS: 00007fea07f46740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 37.971536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.984443] CR2: 00007fea07f25000 CR3: 0000000107e36002 CR4: 00000000003706f0 # [ 37.998944] Call Trace: # [ 38.008172] ? __warn+0x80/0x110 # [ 38.018295] ? refcount_warn_saturate+0x51/0x110 # [ 38.029942] ? report_bug+0x9e/0xc0 # [ 38.040352] ? handle_bug+0x41/0x90 # [ 38.050746] ? exc_invalid_op+0x14/0x70 # [ 38.061544] ? asm_exc_invalid_op+0x12/0x20 # [ 38.072720] ? refcount_warn_saturate+0x51/0x110 # [ 38.084393] ? refcount_warn_saturate+0x51/0x110 # [ 38.096052] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 38.107920] direct_entry.cold+0x2c/0x38 # [ 38.118799] full_proxy_write+0x53/0x80 # [ 38.129<6>[ 51.720317] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 51.727843] lkdtm: attempting good copy_to_user of correct size 605] vfs_write+0xe7/0x3b0 # [ 38.139796] ksys_write+0x68/0x<6>[ 51.734778] lkdtm: attempting bad copy_to_user of too large size f0 # [ 38.150026] do_syscall_64+0x30/0x40 # [ 38.160508] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 38.172659] RIP: 0033:0x7fea08041240 # [ 38.183142] 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 # [ 38.210654] RSP: 002b:00007ffcd48326c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.225600] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fea08041240 # [ 38.240127] RDX: 0000000000000016 RSI: 00007fea07f25000 RDI: 0000000000000001 # [ 38.254569] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 38.269055] R10: 00007fea07f624d0 R11: 0000000000000202 R12: 00007fea07f25000 # [ 38.283529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 38.298038] irq event stamp: 0 # [ 38.307929] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.321482] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ <6>[ 51.851555] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 38.337103] softirqs last enabled at (0): []<6>[ 51.860879] lkdtm: attempting good copy_from_user of correct size copy_process+0x65c/0x20e0 # [ 38.352752] softirqs last disab<6>[ 51.874217] lkdtm: attempting bad copy_from_user of too large size led at (0): [<0000000000000000>] 0x0 # [ 38.366259] ---[ end trace 73e88bf5ba8b16d5 ]--- # [ 38.377931] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 38.483086] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 38.496821] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 38.504052] ------------[ cut here ]------------ # [ 38.509531] refcount_t: saturated; leaking memory. # [ 38.515239] WARNING: CPU: 3 PID: 2107 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 38.524966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobu<6>[ 51.995790] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 52.006974] lkdtm: attempting good copy_to_user inside whitelist <6>[ 52.013990] lkdtm: attempting bad copy_to_user outside whitelist f2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.613535] CPU: 3 PID: 2107 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 38.622511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.629644] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 38.635805] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 # [ 38.657114] RSP: 0018:ffff9748c2b8be38 EFLAGS: 00010282 # [ 38.663247] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 38.677723] RDX: ffff950abadac620 RSI: ffff950abad9bf50 RDI: ffff950abad9bf50 # [ 38.686012] RBP: ffffffff86acfd00 R08: 0000000000000000 R09: 0000000000000000 # [ 38.694308] R10: 00000000ffffe0<6>[ 52.129619] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 00 R11: 3fffffffffffffff R12: 000000000000001f # [ 38.702573]<6>[ 52.140597] lkdtm: attempting good copy_from_user inside whitelist R13: ffff9748c2b8bf10 R14: ffff9748c2b8bf10 R15: ffff950a486810<6>[ 52.154019] lkdtm: attempting bad copy_from_user outside whitelist 00 # [ 38.710838] FS: 00007f533e6c8740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 # [ 38.720172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.726883] CR2: 00007f533e6a7000 CR3: 00000001086b0006 CR4: 00000000003706e0 # [ 38.735149] Call Trace: # [ 38.738176] ? __warn+0x80/0x110 # [ 38.742095] ? refcount_warn_saturate+0x97/0x110 # [ 38.753746] ? report_bug+0x9e/0xc0 # [ 38.757968] ? handle_bug+0x41/0x90 # [ 38.762184] ? exc_invalid_op+0x14/0x70 # [ 38.766763] ? asm_exc_invalid_op+0x12/0x20 # [ 38.771761] ? refcount_warn_saturate+0x97/0x110 # [ 38.777243] ? refcount_warn_saturate+0x97/0x110 # [ 38.782722] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 38.789144] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 38.795684] direct_entry.cold+0x2c/0x38 # [ 38.800390] full_proxy_write+0x53/0x80 # [ 38.804998] vfs_write+0xe7/0x3b0 # [ 38.809022] ksys_write+0x68/0xf0 # [ 38.819222] do_syscall_64+0x30/0x40 # [ 38.829721] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 38.841867]<6>[ 52.272832] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO RIP: 0033:0x7f533e7c3240 # [ 38.852370] Code: 40 00 48 8b 15<6>[ 52.280327] lkdtm: good_stack: ffff9748c34fbe20-ffff9748c34fbe40 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <6>[ 52.293521] lkdtm: bad_stack : ffff9748c34fbda8-ffff9748c34fbdc8 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff<6>[ 52.306796] lkdtm: attempting good copy_to_user of local stack <6>[ 52.306801] lkdtm: attempting bad copy_to_user of distant stack ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 # [ 38.879862] RSP: 002b:00007fffd2205268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 38.894828] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f533e7c3240 # [ 38.907951] RDX: 000000000000001f RSI: 00007f533e6a7000 RDI: 0000000000000001 # [ 38.922432] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 38.936912] R10: 00007f533e6e44d0 R11: 0000000000000202 R12: 00007f533e6a7000 # [ 38.951405] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 38.965884] irq event stamp: 0 # [ 38.975792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.989313] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.004952] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.020598] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.034100] ---[ end trace 73e88bf5ba8b16d6 ]--- # [ 39.045764] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'c<6>[ 52.430858] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 52.439755] lkdtm: good_stack: ffff9748c37a3e20-ffff9748c37a3e40 <6>[ 52.446789] lkdtm: bad_stack : ffff9748c37a3da8-ffff9748c37a3dc8 <6>[ 52.453805] lkdtm: attempting good copy_from_user of local stack <6>[ 52.460815] lkdtm: attempting bad copy_from_user of distant stack all trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 39.156602] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 39.164657] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 39.178074] ------------[ cut here ]------------ # [ 39.189733] refcount_t: saturated; leaking memory. # [ 39.201623] WARNING: CPU: 1 PID: 2141 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 39.217530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_the<6>[ 52.575107] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 52.586855] lkdtm: good_stack: ffff9748c383be20-ffff9748c383be40 <6>[ 52.593890] lkdtm: bad_stack : ffff9748c383bff8-ffff9748c383c018 <6>[ 52.600947] lkdtm: attempting good copy_to_user of local stack rmal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c c<6>[ 52.607770] lkdtm: attempting bad copy_to_user of distant stack <4>[ 52.620900] lkdtm: copy_to_user failed, but lacked Oops ros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.306132] CPU: 1 PID: 2141 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 39.321271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.334585] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 39.346927] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 # [ 39.374443] RSP: 0018:ffff9748c2c3be38 EFLAGS: 00010282 # [ 39.386786] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 39.401266] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 39.415746] RBP: ffffffff86acfd20 R08: 0000000000000000 R09: 0000000000000000 # [ 39.424011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 39.438484] R13: ffff9748c2c3bf10 R14: ffff9748c2c3bf10 R15: ffff950a486bb000 # [ 39.452966] FS: 00007fc8f140874<6>[ 52.730772] lkdtm: Performing direct entry USERCOPY_KERNEL 0(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ <6>[ 52.739114] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff86640b70 39.468514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # <6>[ 52.754297] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ee41c0 [ 39.481441] CR2: 00007fc8f13e7000 CR3: 000000010872c003 CR4: <3>[ 52.769139] lkdtm: FAIL: survived bad copy_to_user() 00000000003706e0 # [ 39.495920] Call Trace: # [ 39.498962] ? __warn+0x80/0x110 # [ 39.509045] ? refcount_warn_saturate+0x97/0x110 # [ 39.520710] ? report_bug+0x9e/0xc0 # [ 39.531113] ? handle_bug+0x41/0x90 # [ 39.541513] ? exc_invalid_op+0x14/0x70 # [ 39.546113] ? asm_exc_invalid_op+0x12/0x20 # [ 39.557305] ? refcount_warn_saturate+0x97/0x110 # [ 39.568971] ? refcount_warn_saturate+0x97/0x110 # [ 39.580614] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 39.593249] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 39.605984] direct_entry.cold+0x2c/0x38 # [ 39.616874] full_proxy_write+0x53/0x80 # [ 39.627664] vfs_write+0xe7/0x3b0 # [ 39.637872] ksys_write+0x68/0xf0 # [ 39.648080] do_syscall_64+0x30/0x40 # [ 39.658579] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 39.670730] RIP: 0033:0x7fc8f1503240 # [ 39.681229] 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 # [ 39.702509] RSP: 002b:00007ffc25e167f8 EFLAGS: <6>[ 52.888128] lkdtm: Performing direct entry STACKLEAK_ERASING 00000202 ORIG_RAX: 0000000000000001 # [ 39.717482] RAX: fffff<6>[ 52.899680] lkdtm: checking unused part of the thread stack (15928 bytes)... fffffffffda RBX: 000000000000001f RCX: 00007fc8f1503240 # [ 3<3>[ 52.914087] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 9.725746] RDX: 000000000000001f RSI: 00007fc8f13e7000 RDI: 00000<3>[ 52.928348] lkdtm: FAIL: the thread stack is NOT properly erased 00000000001 # [ 39.740221] RBP: 000000000000001f R08: 0000000<4>[ 52.941569] CPU: 1 PID: 2972 Comm: cat Tainted: G D W 5.10.218-cip49 #1 <4>[ 52.956721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.963819] Call Trace: 0ffffffff R09: 0000000000000000 # [ 39.748488] R10: 00007fc8f<4>[ 52.966846] dump_stack+0x77/0x9b <4>[ 52.977047] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 52.982496] direct_entry.cold+0x2c/0x38 14244d0 R11: 0000000000000202 R12: 00007fc8f13e7000 # [ 39.76<4>[ 52.987167] full_proxy_write+0x53/0x80 <4>[ 52.997952] vfs_write+0xe7/0x3b0 2961] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000<4>[ 53.001942] ksys_write+0x68/0xf0 <4>[ 53.012147] do_syscall_64+0x30/0x40 <4>[ 53.016432] entry_SYSCALL_64_after_hwframe+0x67/0xd1 0000000 # [ 39.771231] irq event stamp: 0 # [ 39.781137] h<4>[ 53.022366] RIP: 0033:0x7fe99c2a7240 <4>[ 53.032858] 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>[ 53.054133] RSP: 002b:00007ffd80072268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 <4>[ 53.062884] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe99c2a7240 <4>[ 53.071137] RDX: 0000000000000012 RSI: 00007fe99c18b000 RDI: 0000000000000001 <4>[ 53.079400] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 <4>[ 53.087652] R10: 00007fe99c1c84d0 R11: 0000000000000202 R12: 00007fe99c18b000 <4>[ 53.095913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.788436] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.804073] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.813505] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.827008] ---[ end trace 73e88bf5ba8b16d7 ]--- # [ 39.832455] 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 # [ 40.332678] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 40.340959] lkdtm: attempting good refcount_dec() # [ 40.352723] lkdtm: attempting bad refcount_dec() to zero # [ 40.365162] ------------[ cut here ]------------ # [ 40.376822] refcount_t: decrement hit 0; leaking memory. # [ 40.389276] WARNING: CPU: 1 PID: 2174 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 40.405200] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sen<6>[ 53.207314] lkdtm: Performing direct entry CFI_FORWARD_PROTO sors_core industrialio_triggered_buffer kfifo_buf industrialio b<6>[ 53.216478] lkdtm: Calling matched prototype ... tusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec<6>[ 53.228143] lkdtm: Calling mismatched prototype ... _chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usb<6>[ 53.240086] lkdtm: Fail: survived mismatched prototype function call! pd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 40.493793] CPU: 1 PID: 2174 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 40.508929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.522243] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 40.534585] Code: 90 a8 a2 86 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 a8 a2 86 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 40.562075] RSP: 0018:ffff9748c2cd3e48 EFLAGS: 00010286 # [ 40.574437] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 40.588914] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 40.603392] RBP: ffffffff86ad00d9 R08: 0000000000000000 R09: 0000000000000000 # [ 40.617873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 40.632353] R13: ffff9748c2cd3f10 R14: ffff9748c2cd3f10 R15: ffff950a426fd000 # [ 40.646856] FS: 00007ff8bdcdd740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 40.662384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.675307] CR2: 00007ff8bdcbc000 CR3: 000000010319c006 CR4: 00000000003706e0 # [ 40.689786] Call Trace: # [ 40.699026] ? __warn+0x80/0x110 # [ 40.709132] ? refcount_warn_saturate+0xfb/0x110 # [ 40.720797] ? report_bug+0x9e/0xc0 # [ 40.731197] ? handle_bug+0x41/0x90 # [ 40.741596] ? exc_invalid_op+0x14/0x70 # [ 40.752386] ? asm_exc_invalid_op+0x12/0x20 # [ 40.763565] ? refcount_warn_saturate+0xfb/0x110 # [ 40.775226] ? refcount_warn_saturate+0xfb/0x110 # [ 40.786889] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 40.798360] direct_entry.cold+0x2c/0x38 # [ 40.809245] full_proxy_write+0x53/0x80 # [ 40.820032] vfs_write+0xe7/0x3b0 # [ 40.830239] ksys_write+0x68/0xf0 # [ 40.840447] do_syscall_64+0x30/0x40 # [ 40.850943] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 40.863091] RIP: 0033:0x7ff8bddd8240 # [ 40.873589] 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 # [ 40.901084] RSP: 002b:00007ffeac3ed638 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 40.916048] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff8bddd8240 # [ 40.924312] RDX: 0000000000000012 RSI: 00007ff8bdcbc000 RDI: 0000000000000001 # [ 40.938787] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 40.947053] R10: 00007ff8bdcf94d0 R11: 0000000000000202 R12: 00007ff8bdcbc000 # [ 40.961525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 40.969797] irq event stamp: 0 # [ 40.979700] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.986995] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.002632] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.012063] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.025565] ---[ end trace 73e88bf5ba8b16d8 ]--- # [ 41.031013] 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 # [ 41.143971] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 41.154856] lkdtm: attempting bad refcount_dec() below zero # [ 41.161427] ------------[ cut here ]------------ # [ 41.166889] refcount_t: decrement hit 0; leaking memory. # [ 41.179354] WARNING: CPU: 2 PID: 2210 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 41.195292] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.283908] CPU: 2 PID: 2210 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 41.292885] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.306193] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 41.312353] Code: 90 a8 a2 86 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 a8 a2 86 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 41.333663] RSP: 0018:ffff9748c2d4be48 EFLAGS: 00010286 # [ 41.339824] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 41.348091] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 # [ 41.356387] RBP: ffffffff86ad00eb R08: 0000000000000000 R09: 0000000000000000 # [ 41.364652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 41.372918] R13: ffff9748c2d4bf10 R14: ffff9748c2d4bf10 R15: ffff950a4630a000 # [ 41.381183] FS: 00007f51e2960740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 41.390519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.397261] CR2: 00007f51e293f000 CR3: 000000010619c003 CR4: 00000000003706e0 # [ 41.405526] Call Trace: # [ 41.408551] ? __warn+0x80/0x110 # [ 41.412490] ? refcount_warn_saturate+0xfb/0x110 # [ 41.417969] ? report_bug+0x9e/0xc0 # [ 41.422181] ? handle_bug+0x41/0x90 # [ 41.426399] ? exc_invalid_op+0x14/0x70 # [ 41.431011] ? asm_exc_invalid_op+0x12/0x20 # [ 41.442187] ? refcount_warn_saturate+0xfb/0x110 # [ 41.447668] ? refcount_warn_saturate+0xfb/0x110 # [ 41.459322] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 41.464998] direct_entry.cold+0x2c/0x38 # [ 41.469702] full_proxy_write+0x53/0x80 # [ 41.474309] vfs_write+0xe7/0x3b0 # [ 41.478334] ksys_write+0x68/0xf0 # [ 41.482360] do_syscall_64+0x30/0x40 # [ 41.486674] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 41.492610] RIP: 0033:0x7f51e2a5b240 # [ 41.496925] 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 # [ 41.518233] RSP: 002b:00007ffd89c0ff38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 41.527013] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f51e2a5b240 # [ 41.535277] RDX: 0000000000000016 RSI: 00007f51e293f000 RDI: 0000000000000001 # [ 41.543544] RBP: 0000000000000016 R08: 00000000ffffffff R09: 0000000000000000 # [ 41.551839] R10: 00007f51e297c4d0 R11: 0000000000000202 R12: 00007f51e293f000 # [ 41.560102] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 41.568370] irq event stamp: 0 # [ 41.572099] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.579394] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.588853] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 41.604491] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.611787] ---[ end trace 73e88bf5ba8b16d9 ]--- # [ 41.617267] 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 # [ 41.936315] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 41.947152] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 41.954573] ------------[ cut here ]------------ # [ 41.960023] refcount_t: underflow; use-after-free. # [ 41.965718] WARNING: CPU: 2 PID: 2246 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 41.975441] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.064023] CPU: 2 PID: 2246 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 42.072967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.086276] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 42.092438] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 42.119929] RSP: 0018:ffff9748c2dd3e40 EFLAGS: 00010286 # [ 42.126056] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 42.134320] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 # [ 42.142607] RBP: ffffffff86acfd40 R08: 0000000000000000 R09: 0000000000000000 # [ 42.150871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.159134] R13: ffff9748c2dd3f10 R14: ffff9748c2dd3f10 R15: ffff950a4679f000 # [ 42.167400] FS: 00007f27583a9740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 42.176764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.183497] CR2: 00007f2758388000 CR3: 0000000104022002 CR4: 00000000003706e0 # [ 42.191761] Call Trace: # [ 42.194801] ? __warn+0x80/0x110 # [ 42.198706] ? refcount_warn_saturate+0xba/0x110 # [ 42.210360] ? report_bug+0x9e/0xc0 # [ 42.214577] ? handle_bug+0x41/0x90 # [ 42.224970] ? exc_invalid_op+0x14/0x70 # [ 42.229544] ? asm_exc_invalid_op+0x12/0x20 # [ 42.234525] ? refcount_warn_saturate+0xba/0x110 # [ 42.239984] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 42.252610] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 42.259151] direct_entry.cold+0x2c/0x38 # [ 42.263825] full_proxy_write+0x53/0x80 # [ 42.268427] vfs_write+0xe7/0x3b0 # [ 42.278624] ksys_write+0x68/0xf0 # [ 42.282618] do_syscall_64+0x30/0x40 # [ 42.286925] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 42.292859] RIP: 0033:0x7f27584a4240 # [ 42.297141] 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 # [ 42.318436] RSP: 002b:00007ffda3aacf38 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 42.333401] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f27584a4240 # [ 42.341687] RDX: 000000000000001f RSI: 00007f2758388000 RDI: 0000000000000001 # [ 42.349948] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 42.358209] R10: 00007f27583c54d0 R11: 0000000000000202 R12: 00007f2758388000 # [ 42.366471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 42.374736] irq event stamp: 0 # [ 42.378457] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.385795] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.395223] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.404652] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.411944] ---[ end trace 73e88bf5ba8b16da ]--- # [ 42.417390] 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 # [ 42.524311] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 42.536309] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 42.549914] ------------[ cut here ]------------ # [ 42.561578] refcount_t: underflow; use-after-free. # [ 42.573451] WARNING: CPU: 1 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 42.589372] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.677973] CPU: 1 PID: 2283 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 42.693105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.706438] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 42.718779] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 42.746270] RSP: 0018:ffff9748c2e53e40 EFLAGS: 00010286 # [ 42.758615] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 42.766881] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 42.781352] RBP: ffffffff86acfd60 R08: 0000000000000000 R09: 0000000000000000 # [ 42.789619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.804093] R13: ffff9748c2e53f10 R14: ffff9748c2e53f10 R15: ffff950a483b9000 # [ 42.812361] FS: 00007efcbdb14740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 42.827902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.840827] CR2: 00007efcbdaf3000 CR3: 000000010347c001 CR4: 00000000003706e0 # [ 42.855306] Call Trace: # [ 42.864548] ? __warn+0x80/0x110 # [ 42.874653] ? refcount_warn_saturate+0xba/0x110 # [ 42.886316] ? report_bug+0x9e/0xc0 # [ 42.896718] ? handle_bug+0x41/0x90 # [ 42.907117] ? exc_invalid_op+0x14/0x70 # [ 42.917908] ? asm_exc_invalid_op+0x12/0x20 # [ 42.929088] ? refcount_warn_saturate+0xba/0x110 # [ 42.940749] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 42.953381] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 42.966116] direct_entry.cold+0x2c/0x38 # [ 42.977005] full_proxy_write+0x53/0x80 # [ 42.987795] vfs_write+0xe7/0x3b0 # [ 42.998002] ksys_write+0x68/0xf0 # [ 43.008209] do_syscall_64+0x30/0x40 # [ 43.018708] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 43.030859] RIP: 0033:0x7efcbdc0f240 # [ 43.041357] 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 # [ 43.068848] RSP: 002b:00007ffe1d5289c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 43.083812] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efcbdc0f240 # [ 43.098297] RDX: 000000000000001f RSI: 00007efcbdaf3000 RDI: 0000000000000001 # [ 43.112776] RBP: 000000000000001f R08: 00000000ffffffff R09: 0000000000000000 # [ 43.127257] R10: 00007efcbdb304d0 R11: 0000000000000202 R12: 00007efcbdaf3000 # [ 43.141739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 43.156224] irq event stamp: 0 # [ 43.166137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.179647] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.195295] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.210941] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.224451] ---[ end trace 73e88bf5ba8b16db ]--- # [ 43.236114] 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 # [ 43.746554] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 43.754989] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 43.768597] lkdtm: Good: zero detected # [ 43.779283] lkdtm: Correctly stayed at zero # [ 43.784245] lkdtm: attempting bad refcount_inc() from zero # [ 43.796873] ------------[ cut here ]------------ # [ 43.802322] refcount_t: addition on 0; use-after-free. # [ 43.814592] WARNING: CPU: 1 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 43.830495] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.919068] CPU: 1 PID: 2316 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 43.934225] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.941326] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 43.953661] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 86 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 # [ 43.981149] RSP: 0018:ffff9748c2edbe48 EFLAGS: 00010286 # [ 43.993492] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 44.007971] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 44.016237] RBP: ffffffff86ad0101 R08: 0000000000000000 R09: 0000000000000000 # [ 44.030709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 44.038975] R13: ffff9748c2edbf10 R14: ffff9748c2edbf10 R15: ffff950a467fc000 # [ 44.053457] FS: 00007fef8ec2e740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 44.069001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.081947] CR2: 00007fef8ec0d000 CR3: 00000001063e2003 CR4: 00000000003706e0 # [ 44.096426] Call Trace: # [ 44.105669] ? __warn+0x80/0x110 # [ 44.115774] ? refcount_warn_saturate+0x74/0x110 # [ 44.127441] ? report_bug+0x9e/0xc0 # [ 44.137841] ? handle_bug+0x41/0x90 # [ 44.148240] ? exc_invalid_op+0x14/0x70 # [ 44.159029] ? asm_exc_invalid_op+0x12/0x20 # [ 44.170209] ? refcount_warn_saturate+0x74/0x110 # [ 44.181870] ? refcount_warn_saturate+0x74/0x110 # [ 44.193533] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 44.205002] direct_entry.cold+0x2c/0x38 # [ 44.215891] full_proxy_write+0x53/0x80 # [ 44.226682] vfs_write+0xe7/0x3b0 # [ 44.236886] ksys_write+0x68/0xf0 # [ 44.247092] do_syscall_64+0x30/0x40 # [ 44.257589] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 44.269736] RIP: 0033:0x7fef8ed29240 # [ 44.280232] 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 # [ 44.307722] RSP: 002b:00007fff101e2bb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 44.322686] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fef8ed29240 # [ 44.337163] RDX: 0000000000000012 RSI: 00007fef8ec0d000 RDI: 0000000000000001 # [ 44.345435] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 44.359906] R10: 00007fef8ec4a4d0 R11: 0000000000000202 R12: 00007fef8ec0d000 # [ 44.374385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 44.382656] irq event stamp: 0 # [ 44.392558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.399852] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.415488] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.431134] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.438433] ---[ end trace 73e88bf5ba8b16dc ]--- # [ 44.450091] 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 # [ 44.563746] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 44.573555] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 44.587194] lkdtm: Good: zero detected # [ 44.597862] lkdtm: Correctly stayed at zero # [ 44.609035] lkdtm: attempting bad refcount_add() from zero # [ 44.621704] ------------[ cut here ]------------ # [ 44.633344] refcount_t: addition on 0; use-after-free. # [ 44.645669] WARNING: CPU: 0 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 44.661524] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 44.750173] CPU: 0 PID: 2349 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 44.765265] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.778615] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 44.790915] Code: 02 01 e8 15 4e c5 00 0f 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 86 c6 05 54 cf f6 02 01 e8 f2 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 # [ 44.818405] RSP: 0018:ffff9748c2f53e48 EFLAGS: 00010286 # [ 44.830760] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 44.845258] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 # [ 44.859736] RBP: ffffffff86ad0113 R08: 0000000000000000 R09: 0000000000000000 # [ 44.874220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 44.888687] R13: ffff9748c2f53f10 R14: ffff9748c2f53f10 R15: ffff950a409e9000 # [ 44.903210] FS: 00007f2811774740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 44.918752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.931684] CR2: 00007f2811753000 CR3: 0000000103ff8004 CR4: 00000000003706f0 # [ 44.946147] Call Trace: # [ 44.955425] ? __warn+0x80/0x110 # [ 44.965510] ? refcount_warn_saturate+0x74/0x110 # [ 44.977193] ? report_bug+0x9e/0xc0 # [ 44.987595] ? handle_bug+0x41/0x90 # [ 44.998001] ? exc_invalid_op+0x14/0x70 # [ 45.008809] ? asm_exc_invalid_op+0x12/0x20 # [ 45.019988] ? refcount_warn_saturate+0x74/0x110 # [ 45.031652] ? refcount_warn_saturate+0x74/0x110 # [ 45.043303] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 45.054811] direct_entry.cold+0x2c/0x38 # [ 45.065720] full_proxy_write+0x53/0x80 # [ 45.076524] vfs_write+0xe7/0x3b0 # [ 45.086721] ksys_write+0x68/0xf0 # [ 45.096923] do_syscall_64+0x30/0x40 # [ 45.107432] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 45.119602] RIP: 0033:0x7f281186f240 # [ 45.130087] 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 # [ 45.157584] RSP: 002b:00007ffeb792e058 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 45.172542] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f281186f240 # [ 45.187025] RDX: 0000000000000012 RSI: 00007f2811753000 RDI: 0000000000000001 # [ 45.201501] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 45.216006] R10: 00007f28117904d0 R11: 0000000000000202 R12: 00007f2811753000 # [ 45.230469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 45.244956] irq event stamp: 0 # [ 45.254859] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.268375] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.284011] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.299668] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.313169] ---[ end trace 73e88bf5ba8b16dd ]--- # [ 45.324839] 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 # [ 45.445743] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 45.454967] lkdtm: attempting bad refcount_inc() from saturated # [ 45.461878] ------------[ cut here ]------------ # [ 45.467361] refcount_t: saturated; leaking memory. # [ 45.473066] WARNING: CPU: 2 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.482799] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.571397] CPU: 2 PID: 2385 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 45.580357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.593670] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.599826] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 # [ 45.627314] RSP: 0018:ffff9748c2fe3e48 EFLAGS: 00010286 # [ 45.633487] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 45.641785] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 # [ 45.650050] RBP: ffffffff86ad0125 R08: 0000000000000000 R09: 0000000000000000 # [ 45.658315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 45.666580] R13: ffff9748c2fe3f10 R14: ffff9748c2fe3f10 R15: ffff950a46286000 # [ 45.674846] FS: 00007f768e29f740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 45.684210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.690922] CR2: 00007f768e27e000 CR3: 0000000103acc005 CR4: 00000000003706e0 # [ 45.699188] Call Trace: # [ 45.702247] ? __warn+0x80/0x110 # [ 45.706172] ? refcount_warn_saturate+0x51/0x110 # [ 45.717829] ? report_bug+0x9e/0xc0 # [ 45.722049] ? handle_bug+0x41/0x90 # [ 45.726268] ? exc_invalid_op+0x14/0x70 # [ 45.737057] ? asm_exc_invalid_op+0x12/0x20 # [ 45.742057] ? refcount_warn_saturate+0x51/0x110 # [ 45.747525] ? refcount_warn_saturate+0x51/0x110 # [ 45.759182] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 45.764956] direct_entry.cold+0x2c/0x38 # [ 45.769659] full_proxy_write+0x53/0x80 # [ 45.780444] vfs_write+0xe7/0x3b0 # [ 45.784444] ksys_write+0x68/0xf0 # [ 45.794642] do_syscall_64+0x30/0x40 # [ 45.798959] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 45.804926] RIP: 0033:0x7f768e39a240 # [ 45.809241] 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 # [ 45.830542] RSP: 002b:00007ffd6b9ab228 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 45.839325] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f768e39a240 # [ 45.847590] RDX: 0000000000000017 RSI: 00007f768e27e000 RDI: 0000000000000001 # [ 45.855857] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 45.864122] R10: 00007f768e2bb4d0 R11: 0000000000000202 R12: 00007f768e27e000 # [ 45.872388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 45.880677] irq event stamp: 0 # [ 45.884403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.897908] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.907367] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.916795] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.924086] ---[ end trace 73e88bf5ba8b16de ]--- # [ 45.929533] 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 # [ 46.042051] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 46.054667] lkdtm: attempting bad refcount_dec() from saturated # [ 46.061582] ------------[ cut here ]------------ # [ 46.067033] refcount_t: decrement hit 0; leaking memory. # [ 46.073288] WARNING: CPU: 3 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.083013] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.171583] CPU: 3 PID: 2422 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 46.180560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.187693] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.193851] Code: 90 a8 a2 86 c6 05 e4 ce f6 02 01 e8 85 4d c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 60 a8 a2 86 c6 05 cb ce f6 02 01 e8 6b 4d c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.215149] RSP: 0018:ffff9748c3093e48 EFLAGS: 00010286 # [ 46.221289] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 46.235761] RDX: ffff950abadac620 RSI: ffff950abad9bf50 RDI: ffff950abad9bf50 # [ 46.244025] RBP: ffffffff86ad013c R08: 0000000000000000 R09: 0000000000000000 # [ 46.252287] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 46.260552] R13: ffff9748c3093f10 R14: ffff9748c3093f10 R15: ffff950a486f1000 # [ 46.268815] FS: 00007fe2b300f740(0000) GS:ffff950abad80000(0000) knlGS:0000000000000000 # [ 46.278146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.284856] CR2: 00007fe2b2fee000 CR3: 00000001052e6004 CR4: 00000000003706e0 # [ 46.293119] Call Trace: # [ 46.296143] ? __warn+0x80/0x110 # [ 46.300062] ? refcount_warn_saturate+0xfb/0x110 # [ 46.311719] ? report_bug+0x9e/0xc0 # [ 46.315906] ? handle_bug+0x41/0x90 # [ 46.320115] ? exc_invalid_op+0x14/0x70 # [ 46.324690] ? asm_exc_invalid_op+0x12/0x20 # [ 46.329654] ? refcount_warn_saturate+0xfb/0x110 # [ 46.335125] ? refcount_warn_saturate+0xfb/0x110 # [ 46.340574] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 46.346315] direct_entry.cold+0x2c/0x38 # [ 46.350988] full_proxy_write+0x53/0x80 # [ 46.355563] vfs_write+0xe7/0x3b0 # [ 46.359578] ksys_write+0x68/0xf0 # [ 46.363571] do_syscall_64+0x30/0x40 # [ 46.367853] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 46.373787] RIP: 0033:0x7fe2b310a240 # [ 46.378068] 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 # [ 46.399346] RSP: 002b:00007ffff040f768 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 46.408097] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe2b310a240 # [ 46.416359] RDX: 0000000000000017 RSI: 00007fe2b2fee000 RDI: 0000000000000001 # [ 46.424623] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 46.432885] R10: 00007fe2b302b4d0 R11: 0000000000000202 R12: 00007fe2b2fee000 # [ 46.441150] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 46.449440] irq event stamp: 0 # [ 46.453144] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.466647] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.476076] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.485507] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.492799] ---[ end trace 73e88bf5ba8b16df ]--- # [ 46.498245] 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 # [ 47.376491] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 47.386575] lkdtm: attempting bad refcount_dec() from saturated # [ 47.399699] ------------[ cut here ]------------ # [ 47.411361] refcount_t: saturated; leaking memory. # [ 47.423248] WARNING: CPU: 1 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.439154] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.527725] CPU: 1 PID: 2458 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 47.542880] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.556198] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.568559] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 88 cf f6 02 00 75 ee 48 c7 c7 e0 a7 a2 86 c6 05 78 cf f6 02 01 e8 15 4e c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 cf f6 02 00 75 cb 48 c7 c7 08 a8 a2 # [ 47.596034] RSP: 0018:ffff9748c312be48 EFLAGS: 00010286 # [ 47.608375] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 47.622854] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 47.637332] RBP: ffffffff86ad0153 R08: 0000000000000000 R09: 0000000000000000 # [ 47.645598] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 47.660074] R13: ffff9748c312bf10 R14: ffff9748c312bf10 R15: ffff950a46447000 # [ 47.674558] FS: 00007fb920647740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 47.690103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.703034] CR2: 00007fb920626000 CR3: 0000000107d40002 CR4: 00000000003706e0 # [ 47.717512] Call Trace: # [ 47.726751] ? __warn+0x80/0x110 # [ 47.736857] ? refcount_warn_saturate+0x51/0x110 # [ 47.748520] ? report_bug+0x9e/0xc0 # [ 47.758922] ? handle_bug+0x41/0x90 # [ 47.769320] ? exc_invalid_op+0x14/0x70 # [ 47.780110] ? asm_exc_invalid_op+0x12/0x20 # [ 47.791290] ? refcount_warn_saturate+0x51/0x110 # [ 47.802950] ? refcount_warn_saturate+0x51/0x110 # [ 47.814612] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 47.826568] direct_entry.cold+0x2c/0x38 # [ 47.837454] full_proxy_write+0x53/0x80 # [ 47.848244] vfs_write+0xe7/0x3b0 # [ 47.858451] ksys_write+0x68/0xf0 # [ 47.868657] do_syscall_64+0x30/0x40 # [ 47.879155] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 47.891303] RIP: 0033:0x7fb920742240 # [ 47.901801] 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 # [ 47.929290] RSP: 002b:00007ffcef9b0fb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 47.944257] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb920742240 # [ 47.958736] RDX: 0000000000000017 RSI: 00007fb920626000 RDI: 0000000000000001 # [ 47.973216] RBP: 0000000000000017 R08: 00000000ffffffff R09: 0000000000000000 # [ 47.987697] R10: 00007fb9206634d0 R11: 0000000000000202 R12: 00007fb920626000 # [ 48.002175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 48.016659] irq event stamp: 0 # [ 48.026571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.040081] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.055725] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.071370] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.084877] ---[ end trace 73e88bf5ba8b16e0 ]--- # [ 48.096539] 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 # [ 48.570869] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 48.579881] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 48.593877] ------------[ cut here ]------------ # [ 48.605536] refcount_t: saturated; leaking memory. # [ 48.617433] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.633331] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.721901] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 48.737055] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.744157] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.756496] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 # [ 48.777777] RSP: 0018:ffff9748c31b3e38 EFLAGS: 00010282 # [ 48.790114] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 48.804592] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 48.812856] RBP: ffffffff86acfd80 R08: 0000000000000000 R09: 0000000000000000 # [ 48.827329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 48.841810] R13: ffff9748c31b3f10 R14: ffff9748c31b3f10 R15: ffff950a43312000 # [ 48.850079] FS: 00007f2ad6829740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 48.865641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.878546] CR2: 00007f2ad6808000 CR3: 000000010470e002 CR4: 00000000003706e0 # [ 48.886811] Call Trace: # [ 48.896062] ? __warn+0x80/0x110 # [ 48.906150] ? refcount_warn_saturate+0x97/0x110 # [ 48.917814] ? report_bug+0x9e/0xc0 # [ 48.928215] ? handle_bug+0x41/0x90 # [ 48.938616] ? exc_invalid_op+0x14/0x70 # [ 48.949423] ? asm_exc_invalid_op+0x12/0x20 # [ 48.954416] ? refcount_warn_saturate+0x97/0x110 # [ 48.966048] ? refcount_warn_saturate+0x97/0x110 # [ 48.977712] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.990344] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 49.003173] direct_entry.cold+0x2c/0x38 # [ 49.014056] full_proxy_write+0x53/0x80 # [ 49.024846] vfs_write+0xe7/0x3b0 # [ 49.035053] ksys_write+0x68/0xf0 # [ 49.045260] do_syscall_64+0x30/0x40 # [ 49.055757] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 49.067906] RIP: 0033:0x7f2ad6924240 # [ 49.078402] 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 # [ 49.105894] RSP: 002b:00007ffc13047d18 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.120860] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2ad6924240 # [ 49.129125] RDX: 0000000000000020 RSI: 00007f2ad6808000 RDI: 0000000000000001 # [ 49.143605] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 49.158080] R10: 00007f2ad68454d0 R11: 0000000000000202 R12: 00007f2ad6808000 # [ 49.172558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 49.187043] irq event stamp: 0 # [ 49.196955] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.210487] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.226129] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.241773] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.255279] ---[ end trace 73e88bf5ba8b16e1 ]--- # [ 49.266941] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 49.384960] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 49.399144] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 49.413178] ------------[ cut here ]------------ # [ 49.424864] refcount_t: saturated; leaking memory. # [ 49.436728] WARNING: CPU: 0 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.452722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.541235] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 49.556517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.569813] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.582199] Code: 02 01 e8 f2 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 43 cf f6 02 00 75 a8 48 c7 c7 e0 a7 a2 86 c6 05 33 cf f6 02 01 e8 cf 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 # [ 49.609624] RSP: 0018:ffff9748c325be38 EFLAGS: 00010282 # [ 49.621968] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 49.636446] RDX: ffff950abac2c620 RSI: ffff950abac1bf50 RDI: ffff950abac1bf50 # [ 49.650917] RBP: ffffffff86acfda0 R08: 0000000000000000 R09: 0000000000000000 # [ 49.665426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.679907] R13: ffff9748c325bf10 R14: ffff9748c325bf10 R15: ffff950a48586000 # [ 49.694376] FS: 00007f0df9b01740(0000) GS:ffff950abac00000(0000) knlGS:0000000000000000 # [ 49.709926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.722865] CR2: 00007f0df9ae0000 CR3: 00000001062fe003 CR4: 00000000003706f0 # [ 49.737358] Call Trace: # [ 49.746610] ? __warn+0x80/0x110 # [ 49.756734] ? refcount_warn_saturate+0x97/0x110 # [ 49.768401] ? report_bug+0x9e/0xc0 # [ 49.778807] ? handle_bug+0x41/0x90 # [ 49.789199] ? exc_invalid_op+0x14/0x70 # [ 49.799985] ? asm_exc_invalid_op+0x12/0x20 # [ 49.811181] ? refcount_warn_saturate+0x97/0x110 # [ 49.822861] ? refcount_warn_saturate+0x97/0x110 # [ 49.834529] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.847170] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 49.859997] direct_entry.cold+0x2c/0x38 # [ 49.870891] full_proxy_write+0x53/0x80 # [ 49.881674] vfs_write+0xe7/0x3b0 # [ 49.891881] ksys_write+0x68/0xf0 # [ 49.902097] do_syscall_64+0x30/0x40 # [ 49.912585] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 49.924732] RIP: 0033:0x7f0df9bfc240 # [ 49.935242] 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 # [ 49.962787] RSP: 002b:00007ffe5ac24f28 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 49.977732] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0df9bfc240 # [ 49.992241] RDX: 0000000000000020 RSI: 00007f0df9ae0000 RDI: 0000000000000001 # [ 50.006713] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 50.021230] R10: 00007f0df9b1d4d0 R11: 0000000000000202 R12: 00007f0df9ae0000 # [ 50.035728] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.050243] irq event stamp: 0 # [ 50.060150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.073691] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.089359] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.105014] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.118519] ---[ end trace 73e88bf5ba8b16e2 ]--- # [ 50.130182] 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 # [ 50.259744] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 50.268561] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 50.276371] ------------[ cut here ]------------ # [ 50.281821] refcount_t: underflow; use-after-free. # [ 50.287509] WARNING: CPU: 2 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.297232] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 50.385805] CPU: 2 PID: 2560 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 50.394775] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.408085] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.414242] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 50.441729] RSP: 0018:ffff9748c32bbe40 EFLAGS: 00010286 # [ 50.447856] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 50.456144] RDX: ffff950abad2c620 RSI: ffff950abad1bf50 RDI: ffff950abad1bf50 # [ 50.464420] RBP: ffffffff86acfdc0 R08: 0000000000000000 R09: 0000000000000000 # [ 50.478888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 50.487152] R13: ffff9748c32bbf10 R14: ffff9748c32bbf10 R15: ffff950a44025000 # [ 50.495437] FS: 00007f6dfe0b1740(0000) GS:ffff950abad00000(0000) knlGS:0000000000000000 # [ 50.504768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.511493] CR2: 00007f6dfe090000 CR3: 0000000108508006 CR4: 00000000003706e0 # [ 50.519748] Call Trace: # [ 50.522771] ? __warn+0x80/0x110 # [ 50.526693] ? refcount_warn_saturate+0xba/0x110 # [ 50.538349] ? report_bug+0x9e/0xc0 # [ 50.542536] ? handle_bug+0x41/0x90 # [ 50.546722] ? exc_invalid_op+0x14/0x70 # [ 50.551297] ? asm_exc_invalid_op+0x12/0x20 # [ 50.556262] ? refcount_warn_saturate+0xba/0x110 # [ 50.561733] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.568177] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 50.574816] direct_entry.cold+0x2c/0x38 # [ 50.579494] full_proxy_write+0x53/0x80 # [ 50.584095] vfs_write+0xe7/0x3b0 # [ 50.588087] ksys_write+0x68/0xf0 # [ 50.592079] do_syscall_64+0x30/0x40 # [ 50.596361] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 50.602294] RIP: 0033:0x7f6dfe1ac240 # [ 50.606577] 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 # [ 50.627854] RSP: 002b:00007fff2077be88 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 50.636605] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6dfe1ac240 # [ 50.644868] RDX: 0000000000000020 RSI: 00007f6dfe090000 RDI: 0000000000000001 # [ 50.653132] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 50.661398] R10: 00007f6dfe0cd4d0 R11: 0000000000000202 R12: 00007f6dfe090000 # [ 50.669662] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 50.677947] irq event stamp: 0 # [ 50.681657] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.695160] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.704590] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.714020] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.721311] ---[ end trace 73e88bf5ba8b16e3 ]--- # [ 50.726759] 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 # [ 50.846028] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 50.858994] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 50.872987] ------------[ cut here ]------------ # [ 50.884647] refcount_t: underflow; use-after-free. # [ 50.890324] WARNING: CPU: 1 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.906223] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_lid_angle cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio btusb btrtl snd_soc_da7219 cros_ec_lightbar cros_ec_sysfs cros_ec_chardev btbcm cros_ec_debugfs btintel snd_soc_max98927 cros_usbpd_logger cros_ec_sensorhub cros_usbpd_charger gsmi iTCO_wdt intel_pmc_core_pltdrv intel_pmc_bxt bluetooth intel_pmc_core uvcvideo processor_thermal_device videobuf2_vmalloc intel_soc_dts_iosf videobuf2_memops ecdh_generic snd_soc_core videobuf2_v4l2 x86_pkg_temp_thermal iwlmvm cros_ec_dev watchdog int3403_thermal videobuf2_common snd_compress iwlwifi ecc int340x_thermal_zone idma64 snd_pcm_dmaengine i2c_hid regmap_i2c elan_i2c cros_usbpd_notify pinctrl_sunrisepoint int3400_thermal acpi_thermal_rel chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 50.994833] CPU: 1 PID: 2596 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 51.009960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.023273] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.035615] Code: 02 01 e8 cf 4d c5 00 0f 0b c3 cc cc cc cc 80 3d 1d cf f6 02 00 75 85 48 c7 c7 38 a8 a2 86 c6 05 0d cf f6 02 01 e8 ac 4d c5 00 <0f> 0b c3 cc cc cc cc 80 3d f8 ce f6 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.063107] RSP: 0018:ffff9748c336be40 EFLAGS: 00010286 # [ 51.075465] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 51.083762] RDX: ffff950abacac620 RSI: ffff950abac9bf50 RDI: ffff950abac9bf50 # [ 51.098235] RBP: ffffffff86acfde0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.106502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.120976] R13: ffff9748c336bf10 R14: ffff9748c336bf10 R15: ffff950a46117000 # [ 51.129241] FS: 00007f8618776740(0000) GS:ffff950abac80000(0000) knlGS:0000000000000000 # [ 51.144785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.151497] CR2: 00007f8618755000 CR3: 0000000107da4003 CR4: 00000000003706e0 # [ 51.165971] Call Trace: # [ 51.169016] ? __warn+0x80/0x110 # [ 51.179098] ? refcount_warn_saturate+0xba/0x110 # [ 51.190763] ? report_bug+0x9e/0xc0 # [ 51.201168] ? handle_bug+0x41/0x90 # [ 51.211569] ? exc_invalid_op+0x14/0x70 # [ 51.222362] ? asm_exc_invalid_op+0x12/0x20 # [ 51.233546] ? refcount_warn_saturate+0xba/0x110 # [ 51.245208] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.257842] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 51.270677] direct_entry.cold+0x2c/0x38 # [ 51.281564] full_proxy_write+0x53/0x80 # [ 51.292352] vfs_write+0xe7/0x3b0 # [ 51.302559] ksys_write+0x68/0xf0 # [ 51.312767] do_syscall_64+0x30/0x40 # [ 51.323264] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 51.335415] RIP: 0033:0x7f8618871240 # [ 51.345915] 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 # [ 51.373407] RSP: 002b:00007ffef74bb268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 51.388374] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8618871240 # [ 51.402855] RDX: 0000000000000020 RSI: 00007f8618755000 RDI: 0000000000000001 # [ 51.417338] RBP: 0000000000000020 R08: 00000000ffffffff R09: 0000000000000000 # [ 51.431820] R10: 00007f86187924d0 R11: 0000000000000202 R12: 00007f8618755000 # [ 51.446302] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000000000 # [ 51.460788] irq event stamp: 0 # [ 51.470699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.484210] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.499856] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.515500] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.529011] ---[ end trace 73e88bf5ba8b16e4 ]--- # [ 51.540679] 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 # [ 51.720317] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 51.727843] lkdtm: attempting good copy_to_user of correct size # [ 51.734778] 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 # [ 51.851555] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 51.860879] lkdtm: attempting good copy_from_user of correct size # [ 51.874217] 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 # [ 51.995790] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 52.006974] lkdtm: attempting good copy_to_user inside whitelist # [ 52.013990] 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 # [ 52.129619] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 52.140597] lkdtm: attempting good copy_from_user inside whitelist # [ 52.154019] 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 # [ 52.272832] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 52.280327] lkdtm: good_stack: ffff9748c34fbe20-ffff9748c34fbe40 # [ 52.293521] lkdtm: bad_stack : ffff9748c34fbda8-ffff9748c34fbdc8 # [ 52.306796] lkdtm: attempting good copy_to_user of local stack # [ 52.306801] 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 # [ 52.430858] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 52.439755] lkdtm: good_stack: ffff9748c37a3e20-ffff9748c37a3e40 # [ 52.446789] lkdtm: bad_stack : ffff9748c37a3da8-ffff9748c37a3dc8 # [ 52.453805] lkdtm: attempting good copy_from_user of local stack # [ 52.460815] 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 # [ 52.575107] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 52.586855] lkdtm: good_stack: ffff9748c383be20-ffff9748c383be40 # [ 52.593890] lkdtm: bad_stack : ffff9748c383bff8-ffff9748c383c018 # [ 52.600947] lkdtm: attempting good copy_to_user of local stack # [ 52.607770] lkdtm: attempting bad copy_to_user of distant stack # [ 52.620900] 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 # [ 52.730772] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 52.739114] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff86640b70 # [ 52.754297] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ee41c0 # [ 52.769139] 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 # [ 52.888128] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 52.899680] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 52.914087] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 52.928348] lkdtm: FAIL: the thread stack is NOT properly erased # [ 52.941569] CPU: 1 PID: 2972 Comm: cat Tainted: G D W 5.10.218-cip49 #1 # [ 52.956721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.963819] Call Trace: # [ 52.966846] dump_stack+0x77/0x9b # [ 52.977047] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 52.982496] direct_entry.cold+0x2c/0x38 # [ 52.987167] full_proxy_write+0x53/0x80 # [ 52.997952] vfs_write+0xe7/0x3b0 # [ 53.001942] ksys_write+0x68/0xf0 # [ 53.012147] do_syscall_64+0x30/0x40 # [ 53.016432] entry_SYSCALL_64_after_hwframe+0x67/0xd1 # [ 53.022366] RIP: 0033:0x7fe99c2a7240 # [ 53.032858] 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 # [ 53.054133] RSP: 002b:00007ffd80072268 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 # [ 53.062884] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe99c2a7240 # [ 53.071137] RDX: 0000000000000012 RSI: 00007fe99c18b000 RDI: 0000000000000001 # [ 53.079400] RBP: 0000000000000012 R08: 00000000ffffffff R09: 0000000000000000 # [ 53.087652] R10: 00007fe99c1c84d0 R11: 0000000000000202 R12: 00007fe99c18b000 # [ 53.095913] 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 # [ 53.207314] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 53.216478] lkdtm: Calling matched prototype ... # [ 53.228143] lkdtm: Calling mismatched prototype ... # [ 53.240086] 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