[Enter `^Ec?' for help] 15 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 <6>[ 1.031630] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.035727] loop: module loaded <6>[ 1.043772] printk: console [ttyS0] disabled <6>[ 1.044192] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 1.971445] tsc: Refined TSC coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 25172 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 228 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376035 run 166556 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 8976 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 8976 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8973 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8966 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 8976 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90972 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107761 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14155 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14154 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 22374 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 53532 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 11311 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9264 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 10045 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466075 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486178 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=1 SRP0=1 fast_spi_flash_protect: FPR 0 is enabled for range 0x009d0000-0x009effff MRC: Enabled Protected Range on 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825955 exit 47072 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 2113876 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139295 exit 19489 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 30852 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 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 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2241 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 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 23493 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 23816 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 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 24801 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 2022-06-27 23:08:00 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-06-27 23:08:00 UTC ELOG: Event(16) added with size 11 at 2022-06-27 23:08:00 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(A6) added with size 13 at 2022-06-27 23:08:00 UTC ELOG: Event(92) added with size 9 at 2022-06-27 23:08:00 UTC ELOG: Event(9A) added with size 9 at 2022-06-27 23:08:00 UTC ELOG: Event(AD) added with size 10 at 2022-06-27 23:08:00 UTC ELOG: Event(9F) added with size 14 at 2022-06-27 23:08:00 UTC BS: BS_DEV_INIT times (us): entry 0 run 417425 exit 137028 ELOG: Event(A1) added with size 10 at 2022-06-27 23:08:00 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-06-27 23:08:00 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 25569 run 3968 exit 5192 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | high recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 3537 coreboot table: 1428 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 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 534155 exit 146844 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 639 run 261803 exit 135674 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 6692207/tftp-deploy-8fmp2_81/kernel/bzImage 6692207/tftp-deploy-8fmp2_81/kernel/cmdline 6692207/tftp-deploy-8fmp2_81/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6692207/tftp-deploy-8fmp2_81/kernel/bzImaoy-8fmp2_81/kernel/cmdline 6692207/tftp-deploy-8fmp2_81/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.20 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6692207/tftp-deploy-8fmp2_81/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 ############################################################### done. The bootfile was 13096928 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 ############### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6692207/tftp-deploy-8fmp2_81/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6692207/extract-nfsrootfs-pqf0yqb1,tcp,hard ip=dhcp tftpserverip=192.168.201.1 Shutting down all USB controllers. Removing current net device Finalizing coreboot Exiting depthcharge with code 4 at timestamp: 18049088 Starting kernel ... [ 0.000000] Linux version 5.10.126-cip9 (KernelCI@build-j264984-x86-64-gcc-10-x86-64-defconfig-x86-chromeboomf84l) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 27 22:58:39 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6692207/extract-nfsrootfs-pqf0yqb1,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001374] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006813] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.022998] check: Scanning 1 areas for low memory corruption [ 0.023011] Using GB pages for direct mapping [ 0.023673] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.023680] ACPI: Early table checksum verification disabled [ 0.023688] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.023701] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023718] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.023733] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.023746] ACPI: FACS 0x000000007AA9A240 000040 [ 0.023757] ACPI: FACS 0x000000007AA9A240 000040 [ 0.023768] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.023780] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023792] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.023803] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.023815] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.023827] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023839] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.023850] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.023862] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.023867] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.023872] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.023876] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.023881] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.023886] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.023890] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.023895] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.023900] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.023904] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.023909] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.023913] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.024052] No NUMA configuration found [ 0.024058] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.024067] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.024109] Zone ranges: [ 0.024114] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.024122] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.024129] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.024136] Movable zone start for each node [ 0.024141] Early memory node ranges [ 0.024146] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.024151] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.024156] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.024162] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.024197] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.024242] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.035131] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.035196] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.035240] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.035592] ACPI: PM-Timer IO Port: 0x1808 [ 0.035645] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.035657] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.035663] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.035676] Using ACPI (MADT) for SMP configuration information [ 0.035682] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.035689] TSC deadline timer available [ 0.035693] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.035721] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.035727] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.035732] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.035736] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.035740] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.035744] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.035748] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.035752] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.035756] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.035760] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.035764] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.035768] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.035772] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.035776] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.035780] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.035788] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.035795] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.049084] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.049368] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.049437] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.049441] Policy zone: Normal [ 0.049454] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6692207/extract-nfsrootfs-pqf0yqb1,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.049948] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.050188] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.050269] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.071353] Memory: 3892568K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196224K reserved, 0K cma-reserved) [ 0.071503] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.071560] Kernel/User page tables isolation: enabled [ 0.071637] ftrace: allocating 52715 entries in 206 pages [ 0.109017] ftrace: allocated 206 pages with 5 groups [ 0.109313] Running RCU self tests [ 0.109329] rcu: Hierarchical RCU implementation. [ 0.109334] rcu: RCU event tracing is enabled. [ 0.109338] rcu: RCU lockdep checking is enabled. [ 0.109343] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.109348] Rude variant of Tasks RCU enabled. [ 0.109352] Tracing variant of Tasks RCU enabled. [ 0.109357] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.109361] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.118946] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.119416] random: crng init done [ 0.119523] Console: colour dummy device 80x25 [ 0.194660] printk: console [ttyS0] enabled [ 0.195028] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.195689] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.196049] ... MAX_LOCK_DEPTH: 48 [ 0.196417] ... MAX_LOCKDEP_KEYS: 8192 [ 0.196798] ... CLASSHASH_SIZE: 4096 [ 0.197180] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.197568] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.197957] ... CHAINHASH_SIZE: 32768 [ 0.198345] memory used by lock dependency info: 6365 kB [ 0.198813] memory used for stack traces: 4224 kB [ 0.199230] per task-struct memory footprint: 1920 bytes [ 0.199749] ACPI: Core revision 20200925 [ 0.200323] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.200822] APIC: Switch to symmetric I/O mode setup [ 0.205322] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.206238] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.207144] pid_max: default: 32768 minimum: 301 [ 0.207223] LSM: Security Framework initializing [ 0.207223] SELinux: Initializing. [ 0.207223] LSM support for eBPF active [ 0.207223] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207223] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207223] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.207223] process: using mwait in idle threads [ 0.207223] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.207223] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.207223] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.207223] Spectre V2 : Mitigation: Retpolines [ 0.207223] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.207223] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.207223] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.207223] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.207223] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.207223] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207223] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207223] SRBDS: Vulnerable: No microcode [ 0.207223] Freeing SMP alternatives memory: 44K [ 0.207223] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.207908] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.208239] ... version: 4 [ 0.208596] ... bit width: 48 [ 0.208958] ... generic registers: 4 [ 0.209229] ... value mask: 0000ffffffffffff [ 0.209693] ... max period: 00007fffffffffff [ 0.210154] ... fixed-purpose events: 3 [ 0.210229] ... event mask: 000000070000000f [ 0.211223] rcu: Hierarchical SRCU implementation. [ 0.213732] smp: Bringing up secondary CPUs ... [ 0.214915] x86: Booting SMP configuration: [ 0.215252] .... node #0, CPUs: #1 [ 0.216338] 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. [ 0.217243] 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. [ 0.218918] #2 #3 [ 0.221376] smp: Brought up 1 node, 4 CPUs [ 0.221846] smpboot: Max logical packages: 1 [ 0.222233] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.224587] devtmpfs: initialized [ 0.225562] x86/mm: Memory block size: 128MB [ 0.230284] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.231077] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.231703] pinctrl core: initialized pinctrl subsystem [ 0.232541] PM: RTC time: 23:08:13, date: 2022-06-27 [ 0.233576] NET: Registered protocol family 16 [ 0.234791] audit: initializing netlink subsys (disabled) [ 0.235282] audit: type=2000 audit(1656371293.029:1): state=initialized audit_enabled=0 res=1 [ 0.236056] thermal_sys: Registered thermal governor 'step_wise' [ 0.236062] thermal_sys: Registered thermal governor 'user_space' [ 0.236321] cpuidle: using governor menu [ 0.237401] ACPI: bus type PCI registered [ 0.238160] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.239032] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.239266] PCI: Using configuration type 1 for base access [ 0.264766] Kprobes globally optimized [ 0.265370] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.265835] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.266429] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.269305] ACPI: Added _OSI(Module Device) [ 0.269680] ACPI: Added _OSI(Processor Device) [ 0.270072] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.270234] ACPI: Added _OSI(Processor Aggregator Device) [ 0.270708] ACPI: Added _OSI(Linux-Dell-Video) [ 0.271099] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.272251] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.285885] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.294595] ACPI: EC: EC started [ 0.294907] ACPI: EC: interrupt blocked [ 0.296031] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.296234] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.296870] ACPI: Interpreter enabled [ 0.297258] ACPI: (supports S0 S3 S4 S5) [ 0.297610] ACPI: Using IOAPIC for interrupt routing [ 0.298126] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.316961] ACPI: Power Resource [PRIC] (on) [ 0.448590] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.449141] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.449556] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.450223] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.451852] PCI host bridge to bus 0000:00 [ 0.452223] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.453234] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.453822] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.454231] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.454877] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.456232] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.456877] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.457230] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.457876] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.458231] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.458877] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.459230] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.459874] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.461232] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.461878] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.462230] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.462876] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.463231] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.463891] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.465232] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.465878] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.466322] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.467999] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.468258] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.468860] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.469240] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.470483] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.471033] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.473133] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.473259] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.474620] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.475176] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.476393] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.477773] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.478272] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.479649] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.480212] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.481171] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.482281] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.483838] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.484281] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.484892] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.486146] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.486279] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.487835] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.489450] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.490864] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.491280] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.492808] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.493286] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.494807] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.495272] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.496916] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.497273] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.498768] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.500126] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.501266] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.502684] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.503253] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.503895] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.504348] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.505735] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.506298] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.506956] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.508075] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.508267] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.511066] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.511852] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.514584] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.517261] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.517714] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.519717] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.520542] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.521455] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.522391] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.523329] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.524264] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.525198] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.526132] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.533673] ACPI: EC: interrupt unblocked [ 0.534043] ACPI: EC: event unblocked [ 0.534230] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.534681] ACPI: EC: GPE=0x6e [ 0.534961] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.535237] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.537302] iommu: Default domain type: Translated [ 0.537892] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.537892] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.539265] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.539766] vgaarb: loaded [ 0.540644] SCSI subsystem initialized [ 0.541359] ACPI: bus type USB registered [ 0.541855] usbcore: registered new interface driver usbfs [ 0.542297] usbcore: registered new interface driver hub [ 0.542804] usbcore: registered new device driver usb [ 0.543373] pps_core: LinuxPPS API ver. 1 registered [ 0.543809] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.544243] PTP clock support registered [ 0.545505] Advanced Linux Sound Architecture Driver Initialized. [ 0.547299] NetLabel: Initializing [ 0.547609] NetLabel: domain hash size = 128 [ 0.547993] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.548311] NetLabel: unlabeled traffic allowed by default [ 0.549367] PCI: Using ACPI for IRQ routing [ 0.557228] clocksource: Switched to clocksource tsc-early [ 0.989932] VFS: Disk quotas dquot_6.6.0 [ 0.990358] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.991416] pnp: PnP ACPI init [ 0.992635] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.993215] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.993812] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.994403] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.994979] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.995571] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.996176] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.996794] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.997384] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.997960] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.999596] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.000584] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.001407] system 00:04: [io 0x0200] has been reserved [ 1.001877] system 00:04: [io 0x0204] has been reserved [ 1.002363] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.002882] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.006119] pnp: PnP ACPI: found 6 devices [ 1.022132] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.023037] NET: Registered protocol family 2 [ 1.023618] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.026156] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.027156] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.028112] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.030965] TCP: Hash tables configured (established 32768 bind 32768) [ 1.031905] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.032907] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.033825] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.034898] NET: Registered protocol family 1 [ 1.036054] RPC: Registered named UNIX socket transport module. [ 1.036625] RPC: Registered udp transport module. [ 1.037041] RPC: Registered tcp transport module. [ 1.037469] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.038652] NET: Registered protocol family 44 [ 1.039067] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.039546] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.040147] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.040698] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.041321] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.041916] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.042524] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.043119] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.043724] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.044339] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.044941] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.045554] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.046157] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.046809] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.047426] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.048028] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.048642] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.049256] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.049858] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.050470] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.051088] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.051700] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.052315] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.053403] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.056380] PCI: CLS 64 bytes, default 64 [ 1.057151] Unpacking initramfs... [ 1.408775] Freeing initrd memory: 8312K [ 1.409283] DMAR: Host address width 39 [ 1.409659] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.410193] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.410936] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.411590] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.412076] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.412883] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.413461] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.414396] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.415079] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.415602] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.416096] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.416585] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.417078] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.419614] kvm: already loaded the other module [ 1.448027] check: Scanning for low memory corruption every 60 seconds [ 1.452213] Initialise system trusted keyrings [ 1.452906] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.475826] NFS: Registering the id_resolver key type [ 1.476330] Key type id_resolver registered [ 1.476728] Key type id_legacy registered [ 1.499524] Key type asymmetric registered [ 1.499919] Asymmetric key parser 'x509' registered [ 1.500425] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.501082] io scheduler mq-deadline registered [ 1.501498] io scheduler kyber registered [ 1.502098] test_firmware: interface ready [ 1.504217] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.506210] ACPI: AC Adapter [AC] (on-line) [ 1.507037] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.508784] ACPI: Lid Switch [LID0] [ 1.509415] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.510345] ACPI: Power Button [PWRF] [ 1.511150] ACPI: \_PR_.CP00: Found 3 idle states [ 1.512543] ACPI: \_PR_.CP01: Found 3 idle states [ 1.513619] ACPI: \_PR_.CP02: Found 3 idle states [ 1.514726] ACPI: \_PR_.CP03: Found 3 idle states [ 1.516795] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.520211] hpet_acpi_add: no address or irqs in _CRS [ 1.520948] Non-volatile memory driver v1.3 [ 1.521532] Linux agpgart interface v0.103 [ 1.521786] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.524934] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.578652] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.579957] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.580868] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.582062] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.607968] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.611928] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.631097] loop: module loaded [ 1.632287] lkdtm: No crash points registered, enable through debugfs [ 1.658759] printk: console [ttyS0] disabled [ 1.659499] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.479876] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.479908] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.480103] clocksource: Switched to clocksource tsc [ 4.869674] printk: console [ttyS0] enabled [ 4.869715] fbcon: i915drmfb (fb0) is primary device [ 4.882367] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.884606] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.893149] e100: Intel(R) PRO/100 Network Driver [ 4.893153] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.893214] e1000: Intel(R) PRO/1000 Network Driver [ 4.893216] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.893318] e1000e: Intel(R) PRO/1000 Network Driver [ 4.893320] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.893406] sky2: driver version 1.30 [ 4.893720] usbcore: registered new interface driver r8152 [ 4.894104] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.894124] ehci-pci: EHCI PCI platform driver [ 4.894192] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.894207] ohci-pci: OHCI PCI platform driver [ 4.894298] uhci_hcd: USB Universal Host Controller Interface driver [ 4.895070] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.895478] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.896381] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.897720] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.897766] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.899678] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.899697] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.899701] usb usb1: Product: xHCI Host Controller [ 4.899705] usb usb1: Manufacturer: Linux 5.10.126-cip9 xhci-hcd [ 4.899708] usb usb1: SerialNumber: 0000:00:14.0 [ 4.901450] hub 1-0:1.0: USB hub found [ 4.901615] hub 1-0:1.0: 12 ports detected [ 4.905517] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.906049] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.906063] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.906503] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.906513] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.906523] usb usb2: Product: xHCI Host Controller [ 4.906527] usb usb2: Manufacturer: Linux 5.10.126-cip9 xhci-hcd [ 4.906531] usb usb2: SerialNumber: 0000:00:14.0 [ 4.908035] hub 2-0:1.0: USB hub found [ 4.908147] hub 2-0:1.0: 6 ports detected [ 4.910266] usbcore: registered new interface driver usblp [ 4.910337] usbcore: registered new interface driver usb-storage [ 4.910851] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.910974] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.910976] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.911752] i8042: Warning: Keylock active [ 4.912014] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.914083] rtc_cmos 00:02: RTC can wake from S4 [ 4.916754] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.917385] rtc_cmos 00:02: registered as rtc0 [ 4.917723] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.918330] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.919096] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.919140] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.919387] Console: switching to colour frame buffer device 240x67 [ 4.920264] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.922055] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.922126] intel_pstate: Intel P-state driver initializing [ 4.923574] intel_pstate: HWP enabled [ 4.923631] sdhci: Secure Digital Host Controller Interface driver [ 4.923646] sdhci: Copyright(c) Pierre Ossman [ 4.923738] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.925884] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.926058] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.927253] hid: raw HID events driver (C) Jiri Kosina [ 4.931649] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.937729] usbcore: registered new interface driver usbhid [ 5.025252] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 [ 5.031369] usbhid: USB HID core driver [ 5.031904] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.136489] mmc0: new HS400 MMC card at address 0001 [ 5.149783] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.153298] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.159409] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.166002] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.171425] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.174937] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.179578] gre: GRE over IPv4 demultiplexor driver [ 5.185599] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.192176] ip_gre: GRE over IPv4 tunneling driver [ 5.192877] IPv4 over IPsec tunneling driver [ 5.202305] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.209949] Initializing XFRM netlink socket [ 5.239508] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.246743] NET: Registered protocol family 10 [ 5.318382] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.319959] Segment Routing with IPv6 [ 5.323953] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.323959] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.338645] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.340644] ip6_gre: GRE over IPv6 tunneling driver [ 5.433319] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.439095] NET: Registered protocol family 17 [ 5.458303] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.462998] Key type dns_resolver registered [ 5.467667] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.467670] usb 2-3: Product: USB 10/100/1000 LAN [ 5.467672] usb 2-3: Manufacturer: Realtek [ 5.467674] usb 2-3: SerialNumber: 001000001 [ 5.585708] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.591878] microcode: Microcode Update Driver: v2.2. [ 5.591884] IPI shorthand broadcast: enabled [ 5.602381] sched_clock: Marking stable (5515487127, 86845586)->(5628880556, -26547843) [ 5.611628] registered taskstats version 1 [ 5.616240] Loading compiled-in X.509 certificates [ 5.623574] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.633090] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.641344] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.649646] PM: Magic number: 10:535:151 [ 5.654423] printk: console [netcon0] enabled [ 5.659317] netconsole: network logging started [ 5.808123] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.817314] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.825315] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.830691] usb 1-9: Manufacturer: Azurewave [ 5.835483] usb 1-9: SerialNumber: 0x0001 [ 5.847695] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.893689] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.919187] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.928963] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.968776] r8152 2-3:1.0 eth0: v1.11.11 [ 5.973797] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.974504] IP-Config: Failed to open gretap0 [ 5.986868] IP-Config: Failed to open erspan0 [ 6.007480] Sending DHCP requests . [ 7.585314] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.596641] r8152 2-3:1.0 eth0: carrier on [ 8.949390] ., OK [ 8.957662] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.20 [ 8.966656] IP-Config: Complete: [ 8.970312] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.20, mask=255.255.255.0, gw=192.168.201.1 [ 8.981997] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 8.991248] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.991251] nameserver0=192.168.201.1 [ 9.004076] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.015262] modprobe (101) used greatest stack depth: 14208 bytes left [ 9.017981] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.030063] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.031358] ALSA device list: [ 9.039760] cfg80211: failed to load regulatory.db [ 9.043075] No soundcards found. [ 9.052617] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.062198] Freeing unused kernel image (initmem) memory: 1688K [ 9.080533] Write protecting the kernel read-only data: 26624k [ 9.088021] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.095689] Freeing unused kernel image (rodata/data gap) memory: 152K [ 9.103030] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 9.122522] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 9.167252] udevadm (125) used greatest stack depth: 13576 bytes left [ 9.295174] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.304535] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.317970] udevadm (136) used greatest stack depth: 13256 bytes left [ 9.331031] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.379257] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.389005] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.399552] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.419703] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.433367] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.443587] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.20 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.590725] nfsmount (158) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.758607] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.796566] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.827130] systemd[1]: Set hostname to . [ 11.276518] systemd[1]: Queued start job for default target Graphical Interface. [ 11.287879] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.303971] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.319961] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.336921] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.352862] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.371802] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.393511] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.416633] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.432522] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.443501] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.459589] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.470498] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.481840] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.499613] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.516532] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.533073] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.548557] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.567608] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.583957] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.601557] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.616380] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.635207] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.649801] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.668106] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.688881] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.705159] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.719799] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.756250] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.766655] fuse: init (API version 7.32) [ 11.772605] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.790879] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.806747] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.825117] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.843105] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.858570] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.874523] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.889511] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.905644] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 11.925134] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.932185] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.948590] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 12.065122] systemd-journald[193]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 13.597338] systemd-tmpfile (205) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.126-cip9 #1 SMP Mon Jun 27 22:58:39 UTC 2022 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/6692207/extract-nfsrootfs-pqf0yqb1' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6692207/extract-nfsrootfs-pqf0yqb1' / # 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-6692207/environment . /lava-6692207/environment / # /lava-6692207/bin/lava-test-runner /lava-6692207/0 /lava-6692207/bin/lava-test-runner /lava-6692207/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6692207/0/tests/0_timesync-off ++ cat uuid + UUID=6692207_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6692207/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6692207_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.121-cip9-287-ge9094c8446fc/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6692207/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-06-27 23:08:48-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.121-cip9-287-ge9094c8446fc/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3499324 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 44.98K 152KB/s kselftest.tar.xz 4%[ ] 153.86K 309KB/s kselftest.tar.xz 8%[> ] 296.68K 424KB/s kselftest.tar.xz 12%[=> ] 429.60K 474KB/s kselftest.tar.xz 16%[==> ] 568.18K 513KB/s kselftest.tar.xz 20%[===> ] 703.93K 538KB/s kselftest.tar.xz 24%[===> ] 838.27K 555KB/s kselftest.tar.xz 28%[====> ] 982.50K 572KB/s kselftest.tar.xz 32%[=====> ] 1.09M 583KB/s kselftest.tar.xz 37%[======> ] 1.24M 597KB/s kselftest.tar.xz 41%[=======> ] 1.37M 605KB/s kselftest.tar.xz 45%[========> ] 1.50M 611KB/s kselftest.tar.xz 49%[========> ] 1.64M 616KB/s kselftest.tar.xz 53%[=========> ] 1.79M 625KB/s kselftest.tar.xz 57%[==========> ] 1.93M 633KB/s eta 2s kselftest.tar.xz 62%[===========> ] 2.10M 669KB/s eta 2s kselftest.tar.xz 66%[============> ] 2.23M 704KB/s eta 2s kselftest.tar.xz 71%[=============> ] 2.39M 708KB/s eta 2s kselftest.tar.xz 77%[==============> ] 2.57M 723KB/s eta 2s kselftest.tar.xz 82%[===============> ] 2.76M 742KB/s eta 1s kselftest.tar.xz 88%[================> ] 2.94M 756KB/s eta 1s kselftest.tar.xz 93%[=================> ] 3.13M 775KB/s eta 1s kselftest.tar.xz 98%[==================> ] 3.29M 785KB/s eta 1s kselftest.tar.xz 100%[===================>] 3.34M 784KB/s in 4.8s 2022-06-27 23:08:53 (709 KB/s) - 'kselftest.tar.xz' saved [3499324/3499324] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 49.430883] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 49.584960] lkdtm: Performing direct entry BUG [ 49.590130] ------------[ cut here ]------------ [ 49.595351] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 49.601253] invalid opcode: 0000 [#1] SMP PTI [ 49.606130] CPU: 1 PID: 717 Comm: cat Not tainted 5.10.126-cip9 #1 [ 49.613038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.619837] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.624219] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 49.645201] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 49.651033] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.659001] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 49.666970] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 49.674937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.682906] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 49.690875] FS: 00007fc27616a580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 49.699911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.706324] CR2: 00007fc275f83000 CR3: 00000001033a2002 CR4: 00000000003706e0 [ 49.714310] Call Trace: [ 49.717037] direct_entry.cold+0x2c/0x38 [ 49.721416] full_proxy_write+0x56/0x80 [ 49.725697] vfs_write+0xea/0x390 [ 49.729393] ksys_write+0x68/0xe0 [ 49.733090] do_syscall_64+0x33/0x40 [ 49.737069] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.742707] RIP: 0033:0x7fc276092f33 [ 49.746694] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.767674] RSP: 002b:00007fff34ad8d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.776131] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc276092f33 [ 49.784099] RDX: 0000000000000004 RSI: 00007fc275f83000 RDI: 0000000000000001 [ 49.792066] RBP: 00007fc275f83000 R08: 00007fc275f82010 R09: 0000000000000000 [ 49.800035] R10: 00007fc27618d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.808005] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.815976] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.842433] ---[ end trace 79aae51a6a3776b8 ]--- [ 49.847602] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.851983] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 49.872994] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 49.878859] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.886831] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 49.894803] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 49.902773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.910744] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 49.918715] FS: 00007fc27616a580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 49.927783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.934201] CR2: 00007fc275f83000 CR3: 00000001033a2002 CR4: 00000000003706e0 # Segmentation fault # [ 49.584960] lkdtm: Performing direct entry BUG # [ 49.590130] ------------[ cut here ]------------ # [ 49.595351] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 49.601253] invalid opcode: 0000 [#1] SMP PTI # [ 49.606130] CPU: 1 PID: 717 Comm: cat Not tainted 5.10.126-cip9 #1 # [ 49.613038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.619837] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.624219] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb [ 50.020938] lkdtm: Performing direct entry WARNING [ 50.029025] ------------[ cut here ]------------ [ 50.034199] WARNING: CPU: 3 PID: 753 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 [ 50.043537] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00[ 50.069997] CPU: 3 PID: 753 Comm: cat Tainted: G D 5.10.126-cip9 #1 [ 50.084663] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.091468] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 50.096260] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 49.645201] [ 50.117247] RSP: 0018:ffffb490814e7e60 EFLAGS: 00010202 RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 49.651033] RA[ 50.129295] RAX: ffffffff8d4b1f80 RBX: 0000000000000002 RCX: 0000000000000000 [ 50.143480] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e0d9a80 X: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000[ 50.151454] RBP: ffffffff8e4c007f R08: 0000000000000000 R09: 0000000000000000 [ 50.165639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 50.173643] R13: ffffb490814e7f10 R14: ffffb490814e7f10 R15: ffff94bc431d6000 [ 50.181618] FS: 00007ff4449d9580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 50.190657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.197076] CR2: 00007ff4447f2000 CR3: 0000000102874001 CR4: 00000000003706e0 [ 50.205055] Call Trace: # [ 49.659001] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RD[ 50.207810] direct_entry.cold+0x2c/0x38 [ 50.218396] full_proxy_write+0x56/0x80 I: ffffffff8e0d9a70 # [ 49.666970] RBP: ffffffff8e51b490 R08:[ 50.222707] vfs_write+0xea/0x390 [ 50.232614] ksys_write+0x68/0xe0 [ 50.236347] do_syscall_64+0x33/0x40 [ 50.240341] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.246014] RIP: 0033:0x7ff444901f33 [ 50.250007] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.270990] RSP: 002b:00007ffea5005f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.279451] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff444901f33 [ 50.287423] RDX: 0000000000000008 RSI: 00007ff4447f2000 RDI: 0000000000000001 [ 50.295396] RBP: 00007ff4447f2000 R08: 00007ff4447f1010 R09: 0000000000000000 [ 50.303368] R10: 00007ff4449fc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.311340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.319315] irq event stamp: 0 [ 50.322753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.329758] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.338925] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 50.348063] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.355064] ---[ end trace 79aae51a6a3776b9 ]--- 0000000000000001 R09: 0000000000000001 # [ 49.674937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.682906] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 49.690875] FS: 00007fc27616a580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 49.699911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.706324] CR2: 00007fc275f83000 CR3: 00000001033a2002 CR4: 00000000003706e0 # [ 49.714310] Call Trace: # [ 49.717037] direct_entry.cold+0x2c/0x38 # [ 49.721416] full_proxy_write+0x56/0x8[ 50.414643] lkdtm: Performing direct entry WARNING_MESSAGE 0 # [ 49.725697] vfs_write+0xea/0x390 # [ 49.729393] ksy[ 50.422302] ------------[ cut here ]------------ s_write+0x68/0xe0 # [ 49.733090] do_syscall_64+0x33/0x40 # [ 50.433673] Warning message trigger count: 2 [ 49.737069] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 50.444683] WARNING: CPU: 0 PID: 788 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 49.742707] RIP: 0033:0x7fc276092f33 # [ 49.746694] Code: 8b 1[ 50.461125] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 5 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 50.493733] CPU: 0 PID: 788 Comm: cat Tainted: G D W 5.10.126-cip9 #1 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 50.508441] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 50.521465] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 49.767674] RSP: 002b:00007fff34ad8d88 EFLAGS: 00000246 ORIG[ 50.533312] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 e0 05 4c 8e 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 _RAX: 0000000000000001 # [ 49.776131] RAX: ffffffffffffffda R[ 50.560496] RSP: 0018:ffffb4908156fe60 EFLAGS: 00010286 BX: 0000000000000004 RCX: 00007fc276092f33 # [ 49.784099] RDX[ 50.572529] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 : 0000000000000004 RSI: 00007fc275f83000 RDI: 0000000000000001 [ 50.586728] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 49.792066] RBP: 00007fc275f83000 R08: 00007fc275f82010 R09[ 50.600947] RBP: ffffffff8e4c0087 R08: 0000000000000000 R09: 0000000000000000 : 0000000000000000 # [ 49.800035] R10: 00007fc27618d1c0 R11: [ 50.615125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0000000000000246 R12: 0000000000000001 # [ 49.808005] R13: 00[ 50.629367] R13: ffffb4908156ff10 R14: ffffb4908156ff10 R15: ffff94bc4121c000 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 50.643542] FS: 00007f1fde7ee580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 49.815976] Modules linked in: fuse ip_tables cros_ec_sensors c[ 50.658813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 50.671430] CR2: 00007f1fde607000 CR3: 0000000103728003 CR4: 00000000003706f0 strialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_[ 50.685647] Call Trace: chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_[ 50.694596] direct_entry.cold+0x2c/0x38 usbpd_notify # [ 49.842433] ---[ end trace 79aae51a6a3776b8 ][ 50.705221] full_proxy_write+0x56/0x80 --- # [ 49.847602] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.851[ 50.715683] vfs_write+0xea/0x390 983] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff[ 50.725627] ksys_write+0x68/0xe0 ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f [ 50.735550] do_syscall_64+0x33/0x40 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 50.745754] entry_SYSCALL_64_after_hwframe+0x44/0xa9 a0 15 70 02 # [ 49.872994] RSP: 0018:ffffb4908147fe60 EFLAGS[ 50.757602] RIP: 0033:0x7f1fde716f33 : 00010282 # [ 49.878859] RAX: ffffffff8d4b1f70 RBX: 00000000[ 50.767810] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000001 RCX: 0000000000000000 # [ 49.886831] RDX: 0000000000[ 50.795030] RSP: 002b:00007ffff77b0368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 49.894[ 50.809702] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1fde716f33 803] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000[ 50.823870] RDX: 0000000000000010 RSI: 00007f1fde607000 RDI: 0000000000000001 000001 # [ 49.902773] R10: 00000000ffffe000 R11: 3fffffffffff[ 50.838044] RBP: 00007f1fde607000 R08: 00007f1fde606010 R09: 0000000000000000 ffff R12: 0000000000000004 # [ 49.910744] R13: ffffb4908147ff[ 50.852227] R10: 00007f1fde8111c0 R11: 0000000000000246 R12: 0000000000000001 10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 49.918715][ 50.866417] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 FS: 00007fc27616a580(0000) GS:ffff94bcbac80000(0000) knlGS:000[ 50.880622] irq event stamp: 0 0000000000000 # [ 49.927783] CS: 0010 DS: 0000 ES: 0000 CR0:[ 50.890208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000080050033 # [ 49.934201] CR2: 00007fc275f83000 CR3: 0[ 50.903440] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000001033a2002 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at[ 50.918777] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNIN[ 50.934170] softirqs last disabled at (0): [<0000000000000000>] 0x0 G.sh # [ 50.020938] lkdtm: Performing direct entry WARNING #[ 50.947404] ---[ end trace 79aae51a6a3776ba ]--- [ 50.029025] ------------[ cut here ]------------ # [ 50.034199] WARNING: CPU: 3 PID: 753 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 50.043537] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.069997] CPU: 3 PID: 753 Comm: cat Tainted: G D 5.10.126-cip9 #1 # [ 50.084663] Hardware name: Google Rammus/Rammus, BIOS 0[ 51.011737] lkdtm: Performing direct entry EXCEPTION [ 51.020235] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 51.028016] #PF: supervisor write access in kernel mode [ 51.033848] #PF: error_code(0x0002) - not-present page [ 51.039582] PGD 0 P4D 0 [ 51.042404] Oops: 0002 [#2] SMP PTI [ 51.046309] CPU: 3 PID: 820 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 51.054763] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.061569] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 51.066528] Code: 48 c7 c7 e0 05 4c 8e 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 51.087508] RSP: 0018:ffffb49081607e60 EFLAGS: 00010282 [ 51.093338] RAX: ffffffff8d4b1fd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 51.101318] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e0d9aa0 [ 51.109286] RBP: ffffffff8e3f5c97 R08: 0000000000000000 R09: 0000000000000000 [ 51.117311] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 51.125277] R13: ffffb49081607f10 R14: ffffb49081607f10 R15: ffff94bc43294000 [ 51.133256] FS: 00007f095b644580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 51.142307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.148720] CR2: 0000000000000000 CR3: 0000000103f26003 CR4: 00000000003706e0 [ 51.156688] Call Trace: [ 51.159415] direct_entry.cold+0x2c/0x38 [ 51.163795] full_proxy_write+0x56/0x80 [ 51.168075] vfs_write+0xea/0x390 [ 51.171771] ksys_write+0x68/0xe0 [ 51.175468] do_syscall_64+0x33/0x40 [ 51.179456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.185094] RIP: 0033:0x7f095b56cf33 [ 51.189079] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.210058] RSP: 002b:00007fff3ab9c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.218517] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f095b56cf33 [ 51.226487] RDX: 000000000000000a RSI: 00007f095b45d000 RDI: 0000000000000001 [ 51.234454] RBP: 00007f095b45d000 R08: 00007f095b45c010 R09: 0000000000000000 [ 51.242421] R10: 00007f095b6671c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.250389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.258358] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.284812] CR2: 0000000000000000 [ 51.288508] ---[ end trace 79aae51a6a3776bb ]--- [ 51.293663] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.298037] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 51.319016] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 51.324849] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.332815] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 51.340782] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 51.348750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.356718] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 51.364684] FS: 00007f095b644580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 51.373721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.380135] CR2: 0000000000000000 CR3: 0000000103f26003 CR4: 00000000003706e0 [ 51.388103] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.398013] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 820, name: cat [ 51.406368] INFO: lockdep is turned off. [ 51.410743] irq event stamp: 0 [ 51.414149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.421139] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.430273] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.439396] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.446393] CPU: 3 PID: 820 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 51.454844] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.461645] Call Trace: [ 51.464374] dump_stack+0x77/0x97 [ 51.468069] ___might_sleep.cold+0xa6/0xb6 [ 51.472640] exit_signals+0x1c/0x2d0 [ 51.476618] do_exit+0xd5/0xb00 [ 51.480120] ? ksys_write+0x68/0xe0 [ 51.484012] rewind_stack_do_exit+0x17/0x20 [ 51.488679] RIP: 0033:0x7f095b56cf33 [ 51.492657] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.513636] RSP: 002b:00007fff3ab9c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.522090] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f095b56cf33 [ 51.530057] RDX: 000000000000000a RSI: 00007f095b45d000 RDI: 0000000000000001 [ 51.538023] RBP: 00007f095b45d000 R08: 00007f095b45c010 R09: 0000000000000000 [ 51.545991] R10: 00007f095b6671c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.553960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9/04/2020 # [ 50.091468] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 50.096260] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 50.117247] RSP: 0018:ffffb490814e7e60 EFLAGS: 00010202 # [ 50.129295] RAX: ffffffff8d4b1f80 RBX: 0000000000000002 RCX: 0000000000000000 # [ 50.143480] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e0d9a80 # [ 50.151454] RBP: ffffffff8e4c007f R08: 0000000000000000 R09: 0000000000000000 # [ 50.165639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 50.173643] R13: ffffb490814e7f10 R14: ffffb490814e7f10 R15: ffff94bc431d6000 # [ 50.181618] FS: 00007ff4449d9580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 50.190657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.197076] CR2: 00007ff4447f2000 CR3: 0000000102874001 CR4: 00000000003706e0 # [ 50.205055] Call Trace: # [ 50.207810] direct_entry.cold+0x2c/0x38 # [ 50.218396] full_proxy_write+0x56/0x80 # [ 50.222707] vfs_write+0xea/0x390 # [ 50.232614] ksys_write+0x68/0xe0 # [ 50.236347] do_syscall_64+0x33/0x40 # [ 50.240341] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.246014] RIP: 0033:0x7ff444901f33 # [ 50.250007] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.270990] RSP: 002b:00007ffea5005f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.279451] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff444901f33 # [ 50.287423] RDX: 0000000000000008 RSI: 00007ff4447f2000 RDI: 0000000000000001 # [ 50.295396] RBP: 0[ 51.738142] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 51.748438] lkdtm: attempting good list addition [ 51.753598] lkdtm: attempting corrupted list addition [ 51.759268] lkdtm: list_add() corruption not detected! 0007ff4447f2000 R08: 00007ff4447f1010 R09: 0000000000000000 # [ 50.303368] R10: 00007ff4449fc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.311340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.319315] irq event stamp: 0 # [ 50.322753] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.329758] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.338925] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.348063] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.355064] ---[ end trace 79[ 51.826274] lkdtm: Performing direct entry CORRUPT_LIST_DEL aae51a6a3776b9 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftes[ 51.833392] lkdtm: attempting good list removal ts: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh #[ 51.844685] lkdtm: attempting corrupted list removal [ 50.414643] lkdtm: Performing direct entry WARNING_MESSAGE [ 51.856439] lkdtm: list_del() corruption not detected! # [ 50.422302] ------------[ cut here ]------------ # [ 50.433673] Warning message trigger count: 2 # [ 50.444683] WARNING: CPU: 0 PID: 788 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.461125] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.493733] CPU: 0 PID: 788 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 50.508441] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.521465] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.533312] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 81 15 70 02 48 c7 c7 e0 05 4c 8e 8d 70 01 89 35 71 15 70 02 e8 9c b4 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 50.560496] RSP: 0018:ffffb4908156fe60 EFLAGS: 00010286 # [ 50.572529] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 50.586728] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 50.600947] RBP: ffffffff8e4c0087 R08: 0000000000000000 R09: 0000000000000000 # [ 50.615125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 50.629367] R13: ffffb4908156ff10 R14: ffffb4908156ff10 R15: ffff94bc4121c000 # [ 50.643542] FS: 00007f1fde7ee580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 50.658813] CS: 0010 DS: 00[ 52.015377] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 52.024550] lkdtm: attempting bad read from page below current stack [ 52.031652] BUG: stack guard page was hit at 0000000000f214ce (stack is 00000000accf1f1b..00000000c76d9787) [ 52.042563] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 52.049367] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 52.057909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.064716] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 52.071228] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 4c 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 4c 8e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 52.092207] RSP: 0018:ffffb490819c7e50 EFLAGS: 00010246 [ 52.098031] RAX: 0000000000000038 RBX: ffffb490819c4000 RCX: 0000000000000000 [ 52.105998] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c09c0 [ 52.113966] RBP: ffffffff8e4c00ea R08: 0000000000000000 R09: 0000000000000000 [ 52.121933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 52.129899] R13: ffffb490819c7f10 R14: ffffb490819c7f10 R15: ffff94bc44eb9000 [ 52.137866] FS: 00007f92ab10f580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 52.146901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.153315] CR2: ffffb490819c3fff CR3: 0000000103140005 CR4: 00000000003706e0 [ 52.161281] Call Trace: [ 52.164050] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 52.169104] direct_entry.cold+0x2c/0x38 [ 52.173481] full_proxy_write+0x56/0x80 [ 52.177753] vfs_write+0xea/0x390 [ 52.181450] ksys_write+0x68/0xe0 [ 52.185137] do_syscall_64+0x33/0x40 [ 52.189125] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.194753] RIP: 0033:0x7f92ab037f33 [ 52.198740] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.219715] RSP: 002b:00007ffc5be6ebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.228168] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92ab037f33 [ 52.236134] RDX: 0000000000000019 RSI: 00007f92aaf28000 RDI: 0000000000000001 [ 52.244102] RBP: 00007f92aaf28000 R08: 00007f92aaf27010 R09: 0000000000000000 [ 52.252069] R10: 00007f92ab1321c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.260035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.268004] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 ES: 0000 CR0: 0000000080050033 # [ 50.671430] CR2: 00007f1[ 52.294448] ---[ end trace 79aae51a6a3776bc ]--- [ 52.305811] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.310186] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 52.331165] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 52.336996] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.344963] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 52.352931] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 52.360897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.368864] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 52.376831] FS: 00007f92ab10f580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 52.385868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.392282] CR2: ffffb490819c3fff CR3: 0000000103140005 CR4: 00000000003706e0 [ 52.400261] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.410171] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1045, name: cat [ 52.418624] INFO: lockdep is turned off. [ 52.423000] irq event stamp: 0 [ 52.426404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.433404] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.442537] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 52.451671] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.458669] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 52.467221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.474025] Call Trace: [ 52.476752] dump_stack+0x77/0x97 [ 52.480450] ___might_sleep.cold+0xa6/0xb6 [ 52.485021] exit_signals+0x1c/0x2d0 [ 52.488999] do_exit+0xd5/0xb00 [ 52.492500] ? ksys_write+0x68/0xe0 [ 52.496391] rewind_stack_do_exit+0x17/0x20 [ 52.501057] RIP: 0033:0x7f92ab037f33 [ 52.505044] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.526024] RSP: 002b:00007ffc5be6ebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.534477] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92ab037f33 [ 52.542446] RDX: 0000000000000019 RSI: 00007f92aaf28000 RDI: 0000000000000001 [ 52.550415] RBP: 00007f92aaf28000 R08: 00007f92aaf27010 R09: 0000000000000000 [ 52.558382] R10: 00007f92ab1321c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.566348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fde607000 CR3: 0000000103728003 CR4: 00000000003706f0 # [ 50.685647] Call Trace: # [ 50.694596] direct_entry.cold+0x2c/0x38 # [ 50.705221] full_proxy_write+0x56/0x80 # [ 50.715683] vfs_write+0xea/0x390 # [ 50.725627] ksys_write+0x68/0xe0 # [ 50.735550] do_syscall_64+0x33/0x40 # [ 50.745754] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.757602] RIP: 0033:0x7f1fde716f33 # [ 50.767810] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.795030] R[ 52.630789] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 52.643605] lkdtm: attempting bad read from page above current stack [ 52.650711] BUG: stack guard page was hit at 00000000c4675d19 (stack is 000000008fbb62c1..00000000b10df15e) SP: 002b:00007ffff77b0368 EFLAGS: 00000246 ORIG_RAX: 00000000000[ 52.661620] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 52.674636] CPU: 3 PID: 1078 Comm: cat Tainted: G D W 5.10.126-cip9 #1 00001 # [ 50.809702] RAX: ffffffffffffffda RBX: 0000000000000[ 52.683191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 010[ RCX: 00007f1fde716f33 # [ 50.823870] RDX: 000000000000001 52.696212] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 52.709036] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 4c 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a 4c 8e <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 52.730018] RSP: 0018:ffffb49081a6fe50 EFLAGS: 00010246 [ 52.735852] RAX: 0000000000000038 RBX: ffffb49081a6c000 RCX: 0000000000000000 [ 52.743819] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c0a38 [ 52.751787] RBP: ffffffff8e4c0103 R08: 0000000000000000 R09: 0000000000000000 [ 52.759754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 52.767721] R13: ffffb49081a6ff10 R14: ffffb49081a6ff10 R15: ffff94bc44bed000 [ 52.775688] FS: 00007fbd152ca580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 52.784724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.791138] CR2: ffffb49081a70000 CR3: 0000000103e12002 CR4: 00000000003706e0 [ 52.799104] Call Trace: [ 52.801831] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 52.807665] direct_entry.cold+0x2c/0x38 [ 52.812034] full_proxy_write+0x56/0x80 [ 52.816314] vfs_write+0xea/0x390 [ 52.820010] ksys_write+0x68/0xe0 [ 52.823707] do_syscall_64+0x33/0x40 [ 52.827695] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.833334] RIP: 0033:0x7fbd151f2f33 [ 52.837320] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.858309] RSP: 002b:00007fff86736668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.866755] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fbd151f2f33 [ 52.874724] RDX: 000000000000001a RSI: 00007fbd150e3000 RDI: 0000000000000001 [ 52.882692] RBP: 00007fbd150e3000 R08: 00007fbd150e2010 R09: 0000000000000000 [ 52.890659] R10: 00007fbd152ed1c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.898627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.906597] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 RSI: 00007f1fde607000 RDI: 0000000000000001 # [ 50.838044] [ 52.933053] ---[ end trace 79aae51a6a3776bd ]--- [ 52.944417] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.948793] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 52.969773] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 52.975606] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.983575] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 52.991542] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 52.999510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.007476] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 53.015445] FS: 00007fbd152ca580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 53.024481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.030895] CR2: ffffb49081a70000 CR3: 0000000103e12002 CR4: 00000000003706e0 RBP: 00007f1fde607000 R08: 00007f1fde606010 R09: 0000000000000000 # [ 50.852227] R10: 00007f1fde8111c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.866417] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.880622] irq event stamp: 0 # [ 50.890208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.903440] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.918777] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.934170] softirqs last disable[ 53.094701] lkdtm: Performing direct entry UNSET_SMEP d at (0): [<0000000000000000>] 0x0 # [ 50.947404] ---[ end tr[ 53.100495] lkdtm: trying to clear SMEP normally ace 79aae51a6a3776ba ]--- # WARNING_MESSAGE: saw 'message trigg[ 53.111889] ------------[ cut here ]------------ er': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests:[ 53.123265] pinned CR4 bits changed: 0x100000!? lkdtm: EXCEPTION.sh # Killed # [ 51.011737] lkdtm: Performi[ 53.134566] WARNING: CPU: 0 PID: 1114 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 ng direct entry EXCEPTION # [ 51.020235] BUG: kernel NULL poi[ 53.150949] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify nter dereference, address: 0000000000000000 # [ 51.028016] #P[ 53.183633] CPU: 0 PID: 1114 Comm: cat Tainted: G D W 5.10.126-cip9 #1 F: supervisor write access in kernel mode # [ 51.033848] #PF:[ 53.198421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 error_code(0x0002) - not-present page # [ 51.039582] PGD 0 P[ 53.211447] RIP: 0010:native_write_cr4+0x41/0x60 4D 0 # [ 51.042404] Oops: 0002 [#2] SMP PTI # [ 51.046309[ 53.222822] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb 3f 8e c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 ] CPU: 3 PID: 820 Comm: cat Tainted: G D W 5.10.126[ 53.250047] RSP: 0018:ffffb49081acfe48 EFLAGS: 00010286 [ 53.262084] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 -cip9 #1 # [ 51.054763] Hardware name: Google Rammus/Rammus, [ 53.270089] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 BIOS 09/04/2020 # [ 51.061569] RIP: 0010:lkdtm_EXCEPTION+0x5[ 53.284277] RBP: ffffffff8e4c011d R08: 0000000000000000 R09: 0000000000000000 [ 53.298454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b /0x20 # [ 51.066528] Code: 48 c7 c7 e0 05 4c 8e 8d 70 01 89 3[ 53.306445] R13: ffffb49081acff10 R14: ffffb49081acff10 R15: ffff94bc4368c000 5 71 15 70 02 e8 9c b4 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00[ 53.320671] FS: 00007ff0500d7580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c[ 53.335896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3 66 66 2e 0f 1f 84 00 00 00 00 # [ 51.087508] RSP: 0018:ffff[ 53.348555] CR2: 00007ff04fef0000 CR3: 000000010405c002 CR4: 00000000003706f0 b49081607e60 EFLAGS: 00010282 # [ 51.093338] RAX: ffffffff8d4[ 53.362732] Call Trace: b1fd0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 51.1013[ 53.371736] lkdtm_UNSET_SMEP.cold+0x1d/0x103 18] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e0[ 53.382763] direct_entry.cold+0x2c/0x38 d9aa0 # [ 51.109286] RBP: ffffffff8e3f5c97 R08: 0000000000000[ 53.393357] full_proxy_write+0x56/0x80 000 R09: 0000000000000000 # [ 51.117311] R10: 00000000ffffe00[ 53.403854] vfs_write+0xea/0x390 0 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.125277] [ 53.413754] ksys_write+0x68/0xe0 R13: ffffb49081607f10 R14: ffffb49081607f10 R15: ffff94bc4329400[ 53.423692] do_syscall_64+0x33/0x40 0 # [ 51.133256] FS: 00007f095b644580(0000) GS:ffff94bcbad80[ 53.433883] entry_SYSCALL_64_after_hwframe+0x44/0xa9 000(0000) knlGS:0000000000000000 # [ 51.142307] CS: 0010 DS:[ 53.445768] RIP: 0033:0x7ff04fffff33 0000 ES: 0000 CR0: 0000000080050033 # [ 51.148720] CR2: 0000[ 53.455964] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000000 CR3: 0000000103f26003 CR4: 00000000003706e0 # [ [ 53.483184] RSP: 002b:00007ffe3dd27528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 51.156688] Call Trace: # [ 51.159415] direct_entry.cold+0x2c[ 53.497853] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff04fffff33 /0x38 # [ 51.163795] full_proxy_write+0x56/0x80 # [ 51.16[ 53.512039] RDX: 000000000000000b RSI: 00007ff04fef0000 RDI: 0000000000000001 8075] vfs_write+0xea/0x390 # [ 51.171771] ksys_write+0x68/0[ 53.526217] RBP: 00007ff04fef0000 R08: 00007ff04feef010 R09: 0000000000000000 xe0 # [ 51.175468] do_syscall_64+0x33/0x40 # [ 51.179456][ 53.540410] R10: 00007ff0500fa1c0 R11: 0000000000000246 R12: 0000000000000001 entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.185094] RIP[ 53.554599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0033:0x7f095b56cf33 # [ 51.189079] Code: 8b 15 61 ef 0c 00 [ 53.568795] irq event stamp: 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1[ 53.578410] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff [ 53.591640] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.210058[ 53.606998] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ] RSP: 002b:00007fff3ab9c168 EFLAGS: 00000246 ORIG_RAX: 00000000[ 53.622348] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000001 # [ 51.218517] RAX: ffffffffffffffda RBX: 0000000000[ 53.635545] ---[ end trace 79aae51a6a3776be ]--- 00000a RCX: 00007f095b56cf33 # [ 51.226487] RDX: 000000000000[ 53.646940] lkdtm: ok: SMEP did not get cleared 000a RSI: 00007f095b45d000 RDI: 0000000000000001 # [ 51.23445[ 53.658198] lkdtm: trying to clear SMEP with call gadget 4] RBP: 00007f095b45d000 R08: 00007f095b45c010 R09: 000000000000[ 53.670351] lkdtm: ok: SMEP removal was reverted 0000 # [ 51.242421] R10: 00007f095b6671c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.250389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.258358] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.284812] CR2: 0000000000000000 # [ 51.288508] ---[ end trace 79aae51a6a3776bb ]--- # [ 51.293663] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.298037] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 51.319016] RSP: 00[ 53.756735] lkdtm: Performing direct entry DOUBLE_FAULT 18:ffffb4908147fe60 EFLAGS: 00010282 # [ 51.324849] RAX: ffff[ 53.768335] lkdtm: XFAIL: this test is ia32-only ffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.332815] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 51.340782] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 51.348750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.356718] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 51.364684] FS: 00007f095b644580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 51.373721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.380135] CR2: 0000000000000000 CR3: 0000000103f26003 CR4: 00000000003706e0[ 53.837309] lkdtm: Performing direct entry CORRUPT_PAC [ 53.847587] lkdtm: XFAIL: this test is arm64-only # [ 51.388103] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.398013] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 820, name: cat # [ 51.406368] INFO: lockdep is turned off. # [ 51.410743] irq event stamp: 0 # [ 51.414149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.421139] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.430273] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.439396] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.446393] CPU: 3[ 53.912394] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.922224] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS PID: 820 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 51.454844] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.461645] Call Trace: # [ 51.464374] dump_stack+0x77/0x97 # [ 51.468069] ___might_sleep.cold+0xa6/0xb6 # [ 51.472640] exit_signals+0x1c/0x2d0 # [ 51.476618] do_exit+0xd5/0xb00 # [ 51.480120] ? ksys_write+0x68/0xe0 # [ 51.484012] rewind_stack_do_exit+0x17/0x20 # [ 51.488679] RIP: 0033:0x7f095b56cf33 # [ 51.492657] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.513636] RSP: 002b:00007fff3ab9c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.522090] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f095b56cf33 # [ 51.530057] RDX: 000000000000000a RSI: 00007f095b45d000 RDI: 0000000000000001 # [ 51.538023] RBP: 00007f095b45d000 R08: 00007f095b45c010 R09: 0000000000000000 # [ 51.545991] R10: 00007f095b6671c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.553960] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7[ 54.066988] lkdtm: Performing direct entry READ_AFTER_FREE selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: [ 54.078952] lkdtm: Value in memory before free: 12345678 CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire syste[ 54.091124] lkdtm: Attempting bad read from freed memory m on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # [ 54.103265] lkdtm: Memory was not poisoned 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 # [ 51.738142] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 51.748438] lkdtm: attempting good list addition # [ 51.753598] lkdtm: attempting corrupted list addition # [ 51.759268] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 51.826274] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 51.833392] lkdtm: attempting good list removal # [ 51.844685] lkdtm: attempting corrupted list removal # [ 51.856439] 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 # [ 52.015377] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 52.024550] lkdtm: attempting bad read from page below current stack # [ 52.031652] BUG: stack guard page was hit at 0000000000f214ce (stack is 00000000accf1f1b..00[ 54.237253] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 54.245098] lkdtm: Value in memory before free: 12345678 [ 54.251033] lkdtm: Attempting to read from freed memory [ 54.256871] lkdtm: Buddy page was not poisoned 000000c76d9787) # [ 52.042563] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 52.049367] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 52.057909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.064716] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 52.071228] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 80 09 4c 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 c0 09 4c 8e <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 52.092207] RSP: 0018:ffffb490819c7e50 EFLAGS: 00010246 # [ 52.098031] RAX: 0000000000000038 RBX: ffffb490819c4000 RCX: 0000000000000000 # [ 52.105998] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c09c0 [ 54.331589] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.113966] RBP: ffffffff8e4c00ea R08: 0000000000000000 R09[ 54.342690] lkdtm: Attempting double slab free ... : 0000000000000000 # [ 52.121933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 52.129899] R13: ffffb490819c7f10 R14: ffffb490819c7f10 R15: ffff94bc44eb9000 # [ 52.137866] FS: 00007f92ab10f580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 52.146901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.153315] CR2: ffffb490819c3fff CR3: 0000000103140005 CR4: 00000000003706e0 # [ 52.161281] Call Trace: # [ 52.164050] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 52.169104] direct_entry.cold+0x2c/0x38 # [ 52.1[ 54.407459] lkdtm: Performing direct entry SLAB_FREE_CROSS 73481] full_proxy_write+0x56/0x80 # [ 52.177753] vfs_write+[ 54.416364] lkdtm: Attempting cross-cache slab free ... 0xea/0x390 # [ 52.181450] ksys_write+0x68/0xe0 # [ 52.185137] do_syscall_64+0x33/0x40 # [ 52.189125] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.194753] RIP: 0033:0x7f92ab037f33 # [ 52.198740] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.219715] RSP: 002b:00007ffc5be6ebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.228168] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f92ab037f33 # [ 52.236134] RDX: 0000000000000019 RSI: 00007f92aaf28000 RDI: 0000000000000001 # [ 52.244102] RBP: 00007f92a[ 54.492439] lkdtm: Performing direct entry SLAB_FREE_PAGE af28000 R08: 00007f92aaf27010 R09: 0000000000000000 # [ 52.25[ 54.502796] lkdtm: Attempting non-Slab slab free ... 2069] R10: 00007f92ab1321c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.260035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.268004] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.294448] ---[ end trace 79aae51a6a3776bc ]--- # [ 52.305811] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.310186] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 52.331165] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 52.336996] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.344963] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 52.352931] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 52.360897] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.368864] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 52.376831] FS: 00007f92ab10f580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 52.385868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.392282] CR2: ffffb490819c3fff CR3: 0000000103140005 CR4: 00000000003706e0 # [ 52.400261] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.410171] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1045, na[ 54.670990] lkdtm: Performing direct entry EXEC_DATA me: cat # [ 52.418624] INFO: lockdep is turned off. # [ 52[ 54.681687] lkdtm: attempting ok execution at ffffffff8d4b2340 .423000] irq event stamp: 0 # [ 52.426404] hardirqs last ena[ 54.694438] lkdtm: attempting bad execution at ffffffff8fbb3560 bled at (0): [<0000000000000000>] 0x0 # [ 52.433404] hardirqs[ 54.707272] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.721826] BUG: unable to handle page fault for address: ffffffff8fbb3560 [ 54.729504] #PF: supervisor instruction fetch in kernel mode [ 54.735822] #PF: error_code(0x0011) - permissions violation [ 54.742042] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 80000000134000e3 [ 54.749528] Oops: 0011 [#5] SMP PTI [ 54.753418] CPU: 0 PID: 1621 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 54.761968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.768773] RIP: 0010:data_area+0x0/0x40 [ 54.773153] Code: ff ff 00 72 45 44 bc 94 ff ff 00 71 45 44 bc 94 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.794133] RSP: 0018:ffffb49082337e48 EFLAGS: 00010246 [ 54.799957] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.807926] RDX: 0000000000000000 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 [ 54.815891] RBP: ffffffff8fbb3560 R08: 0000000000000000 R09: 0000000000000000 [ 54.823860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.831827] R13: ffffb49082337f10 R14: ffffb49082337f10 R15: ffff94bc42854000 [ 54.839795] FS: 00007f9ff9fcd580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 [ 54.848831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.855259] CR2: ffffffff8fbb3560 CR3: 0000000104bfe005 CR4: 00000000003706f0 [ 54.863228] Call Trace: [ 54.865980] ? execute_location+0x48/0x56 [ 54.870459] ? direct_entry.cold+0x2c/0x38 [ 54.875023] ? full_proxy_write+0x56/0x80 [ 54.879498] ? vfs_write+0xea/0x390 [ 54.883389] ? ksys_write+0x68/0xe0 [ 54.887271] ? do_syscall_64+0x33/0x40 [ 54.891453] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.897279] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.923727] CR2: ffffffff8fbb3560 [ 54.927423] ---[ end trace 79aae51a6a3776bf ]--- [ 54.932579] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.936955] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 54.957934] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 54.963759] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.971726] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 54.979693] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 54.987661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.995629] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 55.003598] FS: 00007f9ff9fcd580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 [ 55.012635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.019049] CR2: ffffffff8fbb3560 CR3: 0000000104bfe005 CR4: 00000000003706f0 [ 55.027019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.036930] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1621, name: cat [ 55.045384] INFO: lockdep is turned off. [ 55.049758] irq event stamp: 0 [ 55.053164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.060162] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.069289] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.078413] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.085411] CPU: 0 PID: 1621 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 55.093951] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.100753] Call Trace: [ 55.103481] dump_stack+0x77/0x97 [ 55.107183] ___might_sleep.cold+0xa6/0xb6 [ 55.111754] exit_signals+0x1c/0x2d0 [ 55.115733] do_exit+0xd5/0xb00 [ 55.119226] ? ksys_write+0x68/0xe0 [ 55.123118] rewind_stack_do_exit+0x17/0x20 [ 55.127783] RIP: 0033:0x7f9ff9ef5f33 [ 55.131769] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.152748] RSP: 002b:00007ffc83fe4728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.161192] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ff9ef5f33 [ 55.169159] RDX: 000000000000000a RSI: 00007f9ff9de6000 RDI: 0000000000000001 [ 55.177125] RBP: 00007f9ff9de6000 R08: 00007f9ff9de5010 R09: 0000000000000000 [ 55.185092] R10: 00007f9ff9ff01c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.193058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.442537] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.451671] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.458669] CPU: 3 PID: 1045 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 52.467221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.474025] Call Trace: # [ 52.476752] dump_stack+0x77/0x97 # [ 52.480450] ___might_sleep.cold+0xa6/0xb6 # [ 52.485021] exit_signals+0x1c/0x2d0 # [ 52.488999] do_exit+0xd5/0xb00 # [ 52.492500] ? ksys_write+0x68/0xe0 # [ 52.496391] rewind_stack_do_exit+0x17/0x20 # [ 52.501057] RIP: 0033:0x7f92ab037f33 # [ 52.505044] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0[ 55.284221] lkdtm: Performing direct entry EXEC_STACK 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 55.293712] lkdtm: attempting ok execution at ffffffff8d4b2340 52.526024] RSP: 002b:00007ffc5be6ebb8 EFLAGS: 00000246 ORIG_RA[ 55.306439] lkdtm: attempting bad execution at ffffb490823dfe18 X: 0000000000000001 # [ 52.534477] RAX: ffffffffffffffda RBX:[ 55.319275] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.333831] BUG: unable to handle page fault for address: ffffb490823dfe18 [ 55.341507] #PF: supervisor instruction fetch in kernel mode [ 55.347824] #PF: error_code(0x0011) - permissions violation [ 55.354045] PGD 100000067 P4D 100000067 PUD 100210067 PMD 103e11067 PTE 8000000104057063 [ 55.363090] Oops: 0011 [#6] SMP PTI [ 55.366980] CPU: 0 PID: 1657 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 55.375531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.382335] RIP: 0010:0xffffb490823dfe18 [ 55.386712] Code: 00 00 18 fe 3d 82 90 b4 ff ff b3 8d af 8d ff ff ff ff 20 00 00 00 00 00 00 00 46 02 4c 8e ff ff ff ff df 8e af 8d ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 55.407681] RSP: 0018:ffffb490823dfdf8 EFLAGS: 00010246 [ 55.413514] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.421480] RDX: 0000000000000000 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 [ 55.429448] RBP: ffffb490823dfe18 R08: 0000000000000000 R09: 0000000000000000 [ 55.437415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.445383] R13: ffffb490823dff10 R14: ffffb490823dff10 R15: ffff94bc45585000 [ 55.453352] FS: 00007f03ebc11580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 [ 55.462390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.468806] CR2: ffffb490823dfe18 CR3: 00000001054f0001 CR4: 00000000003706f0 [ 55.476775] Call Trace: [ 55.479503] ? execute_location+0x48/0x56 [ 55.483983] ? lkdtm_EXEC_STACK+0x26/0x40 [ 55.488457] ? direct_entry.cold+0x2c/0x38 [ 55.493019] ? full_proxy_write+0x56/0x80 [ 55.497485] ? vfs_write+0xea/0x390 [ 55.501375] ? ksys_write+0x68/0xe0 [ 55.505267] ? do_syscall_64+0x33/0x40 [ 55.509447] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.515281] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.541731] CR2: ffffb490823dfe18 [ 55.545418] ---[ end trace 79aae51a6a3776c0 ]--- [ 55.550574] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.554948] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 55.575932] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 55.581763] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.589733] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 55.597702] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 55.605670] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.613639] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 55.621608] FS: 00007f03ebc11580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 [ 55.630645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.637060] CR2: ffffb490823dfe18 CR3: 00000001054f0001 CR4: 00000000003706f0 0000000000000019 RCX: 00007f92ab037f33 # [ 52.542446] RDX: 0000000000000019 RSI: 00007f92aaf28000 RDI: 0000000000000001 # [ 52.550415] RBP: 00007f92aaf28000 R08: 00007f92aaf27010 R09: 0000000000000000 # [ 52.558382] R10: 00007f92ab1321c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.566348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 52.630789] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 52.643605] lkdtm: attempting bad read from page above current stack # [ 52.650711] BUG: stack guard page was hit at 00000000c4675d19 (stack is 000000008fbb62c1..00000000b10df15e) # [ 52.661620] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 52.674636] CPU: 3 PID: 1078 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 52.683191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.696212] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 52.709036] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 f8 09 4c 8e 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 38 0a 4c 8e <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 52.730018] RSP: 0018:ffffb49081a6fe50 EFLAGS: 00010246 # [ 52.735852] RAX: 0000000000000038 RBX: ffffb49081a6c000 RCX: 0000000000000000 # [ 52.743819] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c0a38 # [ 52.751787] RBP: ffffffff8e4c0103 R08: 0000000000000000 R09: 0000000000000000 # [ 52.759754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 52.767721] R13: ffffb49081a6ff10 R14: ffffb49081a[ 55.813626] lkdtm: Performing direct entry EXEC_KMALLOC 6ff10 R15: ffff94bc44bed000 # [ 52.775688] FS: 00007fbd152ca[ 55.824934] lkdtm: attempting ok execution at ffffffff8d4b2340 580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ [ 55.837684] lkdtm: attempting bad execution at ffff94bc44d5b580 52.784724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.850505] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.865068] BUG: unable to handle page fault for address: ffff94bc44d5b580 [ 55.872745] #PF: supervisor instruction fetch in kernel mode [ 55.879063] #PF: error_code(0x0011) - permissions violation [ 55.885297] PGD 13601067 P4D 13601067 PUD 10084b063 PMD 104dd0063 PTE 8000000104d5b163 # [ 52.791138] CR2: ffffb49081a70000 CR3: 0000000103e12002 CR4[ 55.894149] Oops: 0011 [#7] SMP PTI [ 55.904258] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 55.912810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.919614] RIP: 0010:0xffff94bc44d5b580 [ 55.923990] Code: 00 00 02 00 00 00 00 00 00 00 00 b8 d5 44 bc 94 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 cf 8c ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 55.944973] RSP: 0018:ffffb49082437e38 EFLAGS: 00010246 [ 55.950806] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.958774] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 [ 55.966745] RBP: ffff94bc44d5b580 R08: 0000000000000000 R09: 0000000000000000 [ 55.974713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.982683] R13: ffffb49082437f10 R14: ffffb49082437f10 R15: ffff94bc44c13000 [ 55.990653] FS: 00007f5adb365580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 55.999690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.006105] CR2: ffff94bc44d5b580 CR3: 0000000103f26005 CR4: 00000000003706e0 [ 56.014073] Call Trace: [ 56.016803] ? execute_location+0x48/0x56 : 00000000003706e0 # [ 52.799104] Call Trace: # [ 52.80183[ 56.021279] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 56.032159] ? direct_entry.cold+0x2c/0x38 [ 56.036731] ? full_proxy_write+0x56/0x80 [ 56.041206] ? vfs_write+0xea/0x390 [ 56.045096] ? ksys_write+0x68/0xe0 [ 56.048988] ? do_syscall_64+0x33/0x40 [ 56.053163] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 1] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 52.807665][ 56.058997] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.091639] CR2: ffff94bc44d5b580 [ 56.095336] ---[ end trace 79aae51a6a3776c1 ]--- [ 56.100482] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.104849] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 56.125834] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 56.131658] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.139627] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 56.147595] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 56.155565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.163535] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 56.171506] FS: 00007f5adb365580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 56.180544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.186960] CR2: ffff94bc44d5b580 CR3: 0000000103f26005 CR4: 00000000003706e0 [ 56.194930] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.204833] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1693, name: cat [ 56.213302] INFO: lockdep is turned off. [ 56.217682] irq event stamp: 0 [ 56.221087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.228087] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.237213] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.246347] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.253345] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 56.261897] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.268701] Call Trace: [ 56.271428] dump_stack+0x77/0x97 direct_entry.cold+0x2c/0x38 # [ 52.812034] full_proxy_writ[ 56.275127] ___might_sleep.cold+0xa6/0xb6 [ 56.285912] exit_signals+0x1c/0x2d0 [ 56.289901] do_exit+0xd5/0xb00 [ 56.293395] ? ksys_write+0x68/0xe0 [ 56.297300] rewind_stack_do_exit+0x17/0x20 e+0x56/0x80 # [ 52.816314] vfs_write+0xea/0x390 # [ 52.82[ 56.301976] RIP: 0033:0x7f5adb28df33 [ 56.312178] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.333163] RSP: 002b:00007ffde25d5978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.341620] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5adb28df33 [ 56.349589] RDX: 000000000000000d RSI: 00007f5adb17e000 RDI: 0000000000000001 [ 56.357558] RBP: 00007f5adb17e000 R08: 00007f5adb17d010 R09: 0000000000000000 [ 56.365527] R10: 00007f5adb3881c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.373495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0010] ksys_write+0x68/0xe0 # [ 52.823707] do_syscall_64+0x33/0x40 # [ 52.827695] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.833334] RIP: 0033:0x7fbd151f2f33 # [ 52.837320] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.858309] RSP: 002b:00007fff86736668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.866755] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fbd151f2f33 # [ 52.874724] RDX: 000000000000001a RSI: 00007fbd150e3000 RDI: 0000000000000001 # [ 52.882692] RBP: 00007fbd150e3000 R08: 00007fbd150e2010 R09: 0000000000000000 # [ 52.890659] R10: 00007fbd152e[ 56.453453] lkdtm: Performing direct entry EXEC_VMALLOC d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.89862[ 56.461909] lkdtm: attempting ok execution at ffffffff8d4b2340 7] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 56.474619] lkdtm: attempting bad execution at ffffb490806c5000 0000 # [ 52.906597] Modules linked in: fuse ip_tables cros_ec[ 56.487449] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.502021] BUG: unable to handle page fault for address: ffffb490806c5000 [ 56.509702] #PF: supervisor instruction fetch in kernel mode [ 56.516020] #PF: error_code(0x0011) - permissions violation _s[ensors cros_ec_sensors_core industrialio_triggered_buffer kfif 56.522233] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105690067 PTE 80000001032e7063 [ 56.537491] Oops: 0011 [#8] SMP PTI [ 56.541384] CPU: 1 PID: 1729 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 56.549935] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.556741] RIP: 0010:0xffffb490806c5000 [ 56.561110] Code: Unable to access opcode bytes at RIP 0xffffb490806c4fd6. [ 56.568787] RSP: 0018:ffffb49082507e38 EFLAGS: 00010246 [ 56.574620] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.582589] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 [ 56.590558] RBP: ffffb490806c5000 R08: 0000000000000000 R09: 0000000000000000 [ 56.598526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.606494] R13: ffffb49082507f10 R14: ffffb49082507f10 R15: ffff94bc432e7000 [ 56.614465] FS: 00007f50f2249580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 56.623502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.629917] CR2: ffffb490806c4fd6 CR3: 00000001026ba005 CR4: 00000000003706e0 [ 56.637887] Call Trace: [ 56.640618] ? execute_location+0x48/0x56 o_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightba[ 56.645094] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 56.655974] ? direct_entry.cold+0x2c/0x38 [ 56.660546] ? full_proxy_write+0x56/0x80 [ 56.665012] ? vfs_write+0xea/0x390 [ 56.668892] ? ksys_write+0x68/0xe0 [ 56.672783] ? do_syscall_64+0x33/0x40 [ 56.676966] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 r cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec[ 56.682800] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.715442] CR2: ffffb490806c5000 [ 56.719139] ---[ end trace 79aae51a6a3776c2 ]--- [ 56.724308] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.728685] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 56.749669] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 56.755502] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.763473] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 56.771443] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 56.779413] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.787383] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 56.795351] FS: 00007f50f2249580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 56.804390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.810805] CR2: ffffb490806c4fd6 CR3: 00000001026ba005 CR4: 00000000003706e0 _dev cros_usbpd_notify # [ 52.933053] ---[ end trace 79aae51a6a3776bd ]--- # [ 52.944417] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.948793] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 52.969773] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 52.975606] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.983575] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 52.991542] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 52.999510] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.007476] R13: ffff[ 56.891844] lkdtm: Performing direct entry EXEC_RODATA [ 56.899113] lkdtm: attempting ok execution at ffffffff8d4b2340 [ 56.905664] lkdtm: attempting bad execution at ffffffff8e0d9f00 b4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ [ 56.912313] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.926870] BUG: unable to handle page fault for address: ffffffff8e0d9f00 [ 56.934547] #PF: supervisor instruction fetch in kernel mode [ 56.940865] #PF: error_code(0x0011) - permissions violation [ 56.947084] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 8000000011a000e1 [ 56.954570] Oops: 0011 [#9] SMP PTI [ 56.958459] CPU: 3 PID: 1765 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 56.967008] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.973815] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.979551] Code: ff ff df a2 af 8d ff ff ff ff 92 04 4c 8e ff ff ff ff 95 8a af 8d 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 [ 57.000532] RSP: 0018:ffffb4908258fe48 EFLAGS: 00010246 [ 57.006357] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.014324] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 [ 57.022307] RBP: ffffffff8e0d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 57.030274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.038255] R13: ffffb4908258ff10 R14: ffffb4908258ff10 R15: ffff94bc4640a000 [ 57.046224] FS: 00007f5570b1e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 57.055256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.061670] CR2: ffffffff8e0d9f00 CR3: 0000000103214003 CR4: 00000000003706e0 [ 57.069639] Call Trace: [ 57.072368] ? execute_location+0x48/0x56 [ 57.076841] ? direct_entry.cold+0x2c/0x38 [ 57.081413] ? full_proxy_write+0x56/0x80 [ 57.085878] ? vfs_write+0xea/0x390 [ 57.089759] ? ksys_write+0x68/0xe0 [ 57.093649] ? do_syscall_64+0x33/0x40 [ 57.097830] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.103663] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 53.015445] FS: 00007fbd152ca580(0000) GS:ffff94bcbad80000(0000)[ 57.130113] CR2: ffffffff8e0d9f00 [ 57.140020] ---[ end trace 79aae51a6a3776c3 ]--- [ 57.145176] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.149552] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 57.170533] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 57.176366] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.184333] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 57.192318] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 57.200284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.208259] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 57.216227] FS: 00007f5570b1e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 57.225299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.231747] CR2: ffffffff8e0d9f00 CR3: 0000000103214003 CR4: 00000000003706e0 [ 57.239715] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.249627] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1765, name: cat [ 57.258082] INFO: lockdep is turned off. [ 57.262457] irq event stamp: 0 [ 57.265861] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.272859] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.281994] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 57.291128] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.298126] CPU: 3 PID: 1765 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 57.306669] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.313472] Call Trace: [ 57.316200] dump_stack+0x77/0x97 [ 57.319898] ___might_sleep.cold+0xa6/0xb6 [ 57.324470] exit_signals+0x1c/0x2d0 [ 57.328449] do_exit+0xd5/0xb00 [ 57.331951] ? ksys_write+0x68/0xe0 [ 57.335842] rewind_stack_do_exit+0x17/0x20 [ 57.340508] RIP: 0033:0x7f5570a46f33 [ 57.344496] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.365470] RSP: 002b:00007ffd343d4b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.373925] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5570a46f33 [ 57.381893] RDX: 000000000000000c RSI: 00007f5570937000 RDI: 0000000000000001 [ 57.389860] RBP: 00007f5570937000 R08: 00007f5570936010 R09: 0000000000000000 [ 57.397829] R10: 00007f5570b411c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.405797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 knlGS:0000000000000000 # [ 53.024481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.030895] CR2: ffffb49081a70000 CR3: 0000000103e12002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 53.094701] lkdtm: Performing direct entry UNSET_SMEP # [ 53.100495] lkdtm: trying to clear SMEP normally # [ 53.111889] ------------[ cut here ]------------ # [ 53.123265] pinned CR4 bits changed: 0x100000!? # [ 53.134566] WARNING: CPU: 0 PID: 1114 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 53.150949] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.183633] CPU: 0 PID: 1114 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 53.198421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.211447] RIP: 0010:native_write_cr4+0x41/0x60 # [ 53.222822] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 f8 fb 3f 8e c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 53.250047] RSP: 0018:ffffb49081acfe48 EFLAGS: 00010286 # [ 53.262084] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 53.270089] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 53.284277] RBP: ffffffff8e4c011d R08: 0000000000000000 R09: 0000000000000000 # [ 53.298454] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.306445] R13: ffffb49081acff10 R14: ffffb49081acff10 R15: ffff94bc4368c000 # [ 53.320671] FS: 00007ff0500d7580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 53.335896] CS: 0010 DS: 0000 ES: 0000 CR0:[ 57.603932] lkdtm: Performing direct entry EXEC_USERSPACE [ 57.612513] lkdtm: attempting ok execution at ffffffff8d4b2340 [ 57.619043] lkdtm: attempting bad execution at 00007f7362b77000 [ 57.625665] unable to execute userspace code (SMEP?) (uid: 0) [ 57.632084] BUG: unable to handle page fault for address: 00007f7362b77000 [ 57.639754] #PF: supervisor instruction fetch in kernel mode [ 57.646072] #PF: error_code(0x0011) - permissions violation [ 57.652308] PGD 8000000103464067 P4D 8000000103464067 PUD 104cb9067 PMD 104cef067 PTE 10b2a1067 [ 57.662027] Oops: 0011 [#10] SMP PTI [ 57.666014] CPU: 3 PID: 1801 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 57.674565] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.681369] RIP: 0010:0x7f7362b77000 [ 57.685355] Code: Unable to access opcode bytes at RIP 0x7f7362b76fd6. [ 57.692641] RSP: 0018:ffffb490825e7e50 EFLAGS: 00010246 [ 57.698473] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 57.706441] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 [ 57.714409] RBP: 00007f7362b77000 R08: 0000000000000000 R09: 0000000000000000 [ 57.722377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 57.730345] R13: ffffb490825e7f10 R14: ffffb490825e7f10 R15: ffff94bc4339c000 [ 57.738314] FS: 00007f7362b48580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 57.747349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.753762] CR2: 00007f7362b77000 CR3: 00000001033ee006 CR4: 00000000003706e0 [ 57.761731] Call Trace: [ 57.764460] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 57.769808] ? direct_entry.cold+0x2c/0x38 [ 57.774379] ? full_proxy_write+0x56/0x80 [ 57.778853] ? vfs_write+0xea/0x390 [ 57.782734] ? ksys_write+0x68/0xe0 [ 57.786625] ? do_syscall_64+0x33/0x40 [ 57.790808] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.796633] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.823092] CR2: 00007f7362b77000 [ 57.826787] ---[ end trace 79aae51a6a3776c4 ]--- [ 57.831941] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.836320] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 57.857307] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 57.863140] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.871110] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 57.879079] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 57.887047] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.895016] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 57.902985] FS: 00007f7362b48580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 57.912023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.918438] CR2: 00007f7362b77000 CR3: 00000001033ee006 CR4: 00000000003706e0 0000000080050033 # [ 53.348555] CR2: 00007ff04fef0000 CR3: 000000010405c002 CR4: 00000000003706f0 # [ 53.362732] Call Trace: # [ 53.371736] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 53.382763] direct_entry.cold+0x2c/0x38 # [ 53.393357] full_proxy_write+0x56/0x80 # [ 53.403854] vfs_write+0xea/0x390 # [ 53.413754] ksys_write+0x68/0xe0 # [ 53.423692] do_syscall_64+0x33/0x40 # [ 53.433883] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.445768] RIP: 0033:0x7ff04fffff33 # [ 53.455964] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.483184] RSP: 002b:00007ffe3dd27528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.497853] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff04fffff33 # [ 53.512039] RDX: 000000000000000b RSI: 00007ff04fef0000 RDI: 0000000000000001 # [ 53.526217] RBP: 00007ff04fef0000 R08: 00007ff04feef010 R09: 0000000000000000 # [ 53.540410] R10: 00007ff0500fa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.554599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.568795] irq event stamp: 0 # [ 53.578410] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.591640] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.606998] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.622348] softirqs last disabled at (0): [<0000000000000000[ 58.076003] lkdtm: Performing direct entry EXEC_NULL >] 0x0 # [ 53.635545] ---[ end trace 79aae51a6a3776be ]--- #[ 58.087397] lkdtm: attempting ok execution at ffffffff8d4b2340 [ 53.646940] lkdtm: ok: SMEP did not get cleared # [ 53.65[ 58.100123] lkdtm: attempting bad execution at 0000000000000000 8198] lkdtm: trying to clear SMEP with call gadget # [ 53.670[ 58.112953] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.126940] #PF: supervisor instruction fetch in kernel mode [ 58.133258] #PF: error_code(0x0010) - not-present page [ 58.138995] PGD 0 P4D 0 [ 58.141819] Oops: 0010 [#11] SMP PTI [ 58.145808] CPU: 1 PID: 1837 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 58.154352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.161157] RIP: 0010:0x0 [ 58.164077] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 58.171755] RSP: 0018:ffffb49082697e48 EFLAGS: 00010246 [ 58.177588] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.185559] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 [ 58.193527] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.201497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 58.209466] R13: ffffb49082697f10 R14: ffffb49082697f10 R15: ffff94bc43305000 [ 58.217436] FS: 00007fd58ff70580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 58.226473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.232888] CR2: ffffffffffffffd6 CR3: 0000000104d46001 CR4: 00000000003706e0 [ 58.240857] Call Trace: [ 58.243586] execute_location+0x48/0x56 351] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pi[ 58.247869] direct_entry.cold+0x2c/0x38 [ 58.258460] full_proxy_write+0x56/0x80 [ 58.262743] vfs_write+0xea/0x390 [ 58.266439] ksys_write+0x68/0xe0 [ 58.270136] do_syscall_64+0x33/0x40 [ 58.274117] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.279756] RIP: 0033:0x7fd58fe98f33 [ 58.283744] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.304728] RSP: 002b:00007ffe0ab6f088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.313184] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd58fe98f33 [ 58.321153] RDX: 000000000000000a RSI: 00007fd58fd89000 RDI: 0000000000000001 [ 58.329123] RBP: 00007fd58fd89000 R08: 00007fd58fd88010 R09: 0000000000000000 [ 58.337091] R10: 00007fd58ff931c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.345062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.[ 58.353033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.385676] CR2: 0000000000000000 [ 58.389374] ---[ end trace 79aae51a6a3776c5 ]--- [ 58.394530] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.398905] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 58.419889] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 58.425722] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.433690] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 58.441660] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 58.449629] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.457600] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 58.465571] FS: 00007fd58ff70580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 58.474601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.481016] CR2: ffffffffffffffd6 CR3: 0000000104d46001 CR4: 00000000003706e0 [ 58.488986] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.498897] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1837, name: cat [ 58.507352] INFO: lockdep is turned off. [ 58.511727] irq event stamp: 0 [ 58.515132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.522135] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.531272] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.540407] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.547406] CPU: 1 PID: 1837 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 58.555958] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.562762] Call Trace: [ 58.565490] dump_stack+0x77/0x97 sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 53.756735] lkdtm:[ 58.569190] ___might_sleep.cold+0xa6/0xb6 [ 58.579975] exit_signals+0x1c/0x2d0 [ 58.583963] do_exit+0xd5/0xb00 [ 58.587467] ? ksys_write+0x68/0xe0 [ 58.591360] rewind_stack_do_exit+0x17/0x20 [ 58.596029] RIP: 0033:0x7fd58fe98f33 [ 58.600008] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.620993] RSP: 002b:00007ffe0ab6f088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.629450] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd58fe98f33 [ 58.637419] RDX: 000000000000000a RSI: 00007fd58fd89000 RDI: 0000000000000001 [ 58.645389] RBP: 00007fd58fd89000 R08: 00007fd58fd88010 R09: 0000000000000000 [ 58.653359] R10: 00007fd58ff931c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.661329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Performing direct entry DOUBLE_FAULT # [ 53.768335] 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 # [ 53.837309] lkdtm: Performing direct entry CORRUPT_PAC # [ 53.847587] 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 # [ 53.912394] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 53.922224] 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_ALL[ 58.742889] lkdtm: Performing direct entry ACCESS_USERSPACE OCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on [ 58.750147] lkdtm: attempting bad read at 00007f638e5db000 failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP[ 58.762493] BUG: unable to handle page fault for address: 00007f638e5db000 [ 58.776367] #PF: supervisor read access in kernel mode [ 58.782101] #PF: error_code(0x0001) - permissions violation [ 58.788322] PGD 80000001030c9067 P4D 80000001030c9067 PUD 103287067 PMD 1040a3067 PTE 115875067 [ 58.798050] Oops: 0001 [#12] SMP PTI [ 58.802031] CPU: 0 PID: 1872 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 58.810583] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.817388] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 58.823614] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 4c 8e e8 73 9d fd ff 48 c7 c7 d8 11 4c 8e b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 4c [ 58.844596] RSP: 0018:ffffb4908271fe48 EFLAGS: 00010246 [ 58.850427] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.858394] RDX: 0000000000000000 RSI: ffff94bcbac1bf70 RDI: ffffffff8e4c11d8 [ 58.866363] RBP: 00007f638e5db000 R08: 0000000000000000 R09: 0000000000000000 [ 58.874332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.882302] R13: ffffb4908271ff10 R14: ffffb4908271ff10 R15: ffff94bc44d36000 [ 58.890272] FS: 00007f638e5ac580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 [ 58.899304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.905719] CR2: 00007f638e5db000 CR3: 00000001033fa004 CR4: 00000000003706f0 [ 58.913686] Call Trace: [ 58.916414] direct_entry.cold+0x2c/0x38 [ 58.920798] full_proxy_write+0x56/0x80 [ 58.925083] vfs_write+0xea/0x390 [ 58.928780] ksys_write+0x68/0xe0 [ 58.932477] do_syscall_64+0x33/0x40 [ 58.936464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.942103] RIP: 0033:0x7f638e4d4f33 [ 58.946091] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.967071] RSP: 002b:00007ffee694d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.975526] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f638e4d4f33 [ 58.983494] RDX: 0000000000000011 RSI: 00007f638e3c5000 RDI: 0000000000000001 [ 58.991462] RBP: 00007f638e3c5000 R08: 00007f638e3c4010 R09: 0000000000000000 [ 58.999428] R10: 00007f638e5cf1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.007396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.015365] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.041803] CR2: 00007f638e5db000 [ 59.045498] ---[ end trace 79aae51a6a3776c6 ]--- [ 59.050653] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.055030] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 59.076010] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 59.081844] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.089810] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 59.097778] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 59.105748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.113715] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 59.121682] FS: 00007f638e5ac580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 [ 59.130718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.137131] CR2: 00007f638e5db000 CR3: 00000001033fa004 CR4: 00000000003706f0 # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 54.066988] lkdtm: Performing direct entry READ_AFTER_FREE # [ 54.078952] lkdtm: Value in memory before free: 12345678 # [ 54.091124] lkdtm: Attempting bad read from freed memory # [ 54.103265] 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 # [ 54.237253] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 54.245098] lkdtm: Value in memory before free: 12345678 # [ 54.251033] lkdtm: Attempting to read from freed memory # [ 54.256871] 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 # [ 54.331589] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 54.342690] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23[ 59.271134] lkdtm: Performing direct entry ACCESS_NULL selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lk[ 59.281366] lkdtm: attempting bad read at 0000000000000000 dtm: SLAB_FREE_CROSS.sh # [ 54.407459] lkdtm: Performing dire[ 59.293707] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.307693] #PF: supervisor read access in kernel mode ct entry SLAB_FREE_CROSS # [ 54.416364] lkdtm: Attempting cro[ 59.313431] #PF: error_code(0x0000) - not-present page [ 59.325381] PGD 0 P4D 0 [ 59.328206] Oops: 0000 [#13] SMP PTI [ 59.332188] CPU: 1 PID: 1907 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 59.340743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.347550] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 ss-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:'[ 59.352802] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0 11 4c 8e e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d8 11 4c 8e 48 01 [ 59.380000] RSP: 0018:ffffb490827b7e58 EFLAGS: 00010246 [ 59.385834] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 59.393804] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 [ 59.401772] RBP: ffffffff8e4c02a1 R08: 0000000000000000 R09: 0000000000000000 [ 59.409740] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 59.417709] R13: ffffb490827b7f10 R14: ffffb490827b7f10 R15: ffff94bc44f0f000 [ 59.425677] FS: 00007fc722111580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 59.434715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.441129] CR2: 0000000000000000 CR3: 0000000104fcc005 CR4: 00000000003706e0 [ 59.449098] Call Trace: [ 59.451825] direct_entry.cold+0x2c/0x38 : [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=[ 59.456205] full_proxy_write+0x56/0x80 [ 59.466696] vfs_write+0xea/0x390 [ 59.470393] ksys_write+0x68/0xe0 [ 59.474091] do_syscall_64+0x33/0x40 [ 59.478070] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.483710] RIP: 0033:0x7fc722039f33 [ 59.487698] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.508681] RSP: 002b:00007ffde5b8bb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.517138] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc722039f33 [ 59.525108] RDX: 000000000000000c RSI: 00007fc721f2a000 RDI: 0000000000000001 [ 59.533079] RBP: 00007fc721f2a000 R08: 00007fc721f29010 R09: 0000000000000000 [ 59.541046] R10: 00007fc7221341c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.549014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 54.492439] lkdtm[ 59.556985] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.589628] CR2: 0000000000000000 [ 59.593316] ---[ end trace 79aae51a6a3776c7 ]--- [ 59.598472] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.602848] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 59.623832] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 59.629667] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.637636] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 59.645604] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 59.653572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.661541] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 59.669509] FS: 00007fc722111580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 59.678547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.684961] CR2: 0000000000000000 CR3: 0000000104fcc005 CR4: 00000000003706e0 : Performing direct entry SLAB_FREE_PAGE # [ 54.502796] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 54.670990] lkdtm: Performing direct entry EXEC_DATA # [ 54.681687] lkdtm: attempting ok execution at ffffffff8d4b2340 # [ 54.694438] lkdtm: attempting bad execution at ffffffff8fbb3560 # [ 54.707272] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.721826] BUG: unable to handle page fault for address: ffffffff8fbb3560 # [ 54.729504] #PF: supervisor instruction fetch[ 59.799312] lkdtm: Performing direct entry WRITE_RO [ 59.810275] lkdtm: attempting bad rodata write at ffffffff8e0d9ef0 [ 59.817221] BUG: unable to handle page fault for address: ffffffff8e0d9ef0 [ 59.824912] #PF: supervisor write access in kernel mode in kernel mode # [ 54.735822] #PF: error_code(0x0011) - perm[ 59.830747] #PF: error_code(0x0003) - permissions violation [ 59.843179] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 8000000011a000e1 [ 59.850665] Oops: 0003 [#14] SMP PTI [ 59.854653] CPU: 3 PID: 1942 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 59.863206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.870013] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 59.874971] Code: 00 48 c7 c7 90 10 4c 8e 48 c7 c6 f0 9e 0d 8e e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 4c 8e 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 [ 59.895956] RSP: 0018:ffffb49082827e60 EFLAGS: 00010202 [ 59.901790] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.909758] RDX: 00000000abcd1234 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c10c0 [ 59.917728] RBP: ffffffff8e4c02ad R08: 0000000000000000 R09: 0000000000000000 [ 59.925697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.933666] R13: ffffb49082827f10 R14: ffffb49082827f10 R15: ffff94bc440e1000 [ 59.941636] FS: 00007f9fd4134580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 59.950674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.957088] CR2: ffffffff8e0d9ef0 CR3: 0000000103edc005 CR4: 00000000003706e0 [ 59.965057] Call Trace: [ 59.967783] direct_entry.cold+0x2c/0x38 [ 59.972155] full_proxy_write+0x56/0x80 [ 59.976436] vfs_write+0xea/0x390 [ 59.980133] ksys_write+0x68/0xe0 [ 59.983829] do_syscall_64+0x33/0x40 [ 59.987817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.993456] RIP: 0033:0x7f9fd405cf33 [ 59.997444] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.018428] RSP: 002b:00007ffdecaecc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.026882] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9fd405cf33 [ 60.034850] RDX: 0000000000000009 RSI: 00007f9fd3f4d000 RDI: 0000000000000001 [ 60.042819] RBP: 00007f9fd3f4d000 R08: 00007f9fd3f4c010 R09: 0000000000000000 [ 60.050788] R10: 00007f9fd41571c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.058758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.066729] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify issions violation # [ 54.742042] PGD 12029067 P4D 12029067 PU[ 60.093187] CR2: ffffffff8e0d9ef0 [ 60.103099] ---[ end trace 79aae51a6a3776c8 ]--- [ 60.108259] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.112635] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 60.133619] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 60.139452] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.147421] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 60.155390] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 60.163360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.171329] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 60.179305] FS: 00007f9fd4134580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 60.188342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.194758] CR2: ffffffff8e0d9ef0 CR3: 0000000103edc005 CR4: 00000000003706e0 [ 60.202727] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.212639] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1942, name: cat [ 60.221094] INFO: lockdep is turned off. [ 60.225468] irq event stamp: 0 [ 60.228873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.235873] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.245009] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.254135] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.261134] CPU: 3 PID: 1942 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 60.269684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.276487] Call Trace: [ 60.279214] dump_stack+0x77/0x97 [ 60.282911] ___might_sleep.cold+0xa6/0xb6 [ 60.287482] exit_signals+0x1c/0x2d0 [ 60.291471] do_exit+0xd5/0xb00 [ 60.294974] ? ksys_write+0x68/0xe0 [ 60.298866] rewind_stack_do_exit+0x17/0x20 [ 60.303535] RIP: 0033:0x7f9fd405cf33 [ 60.307523] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.328508] RSP: 002b:00007ffdecaecc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.336964] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9fd405cf33 [ 60.344932] RDX: 0000000000000009 RSI: 00007f9fd3f4d000 RDI: 0000000000000001 [ 60.352902] RBP: 00007f9fd3f4d000 R08: 00007f9fd3f4c010 R09: 0000000000000000 [ 60.360870] R10: 00007f9fd41571c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.368839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D 1202a063 PMD 80000000134000e3 # [ 54.749528] Oops: 0011 [#5] SMP PTI # [ 54.753418] CPU: 0 PID: 1621 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 54.761968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.768773] RIP: 0010:data_area+0x0/0x40 # [ 54.773153] Code: ff ff 00 72 45 44 bc 94 ff ff 00 71 45 44 bc 94 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.794133] RSP: 0018:ffffb49082337e48 EFLAGS: 00010246 # [ 54.799957] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.807926] RDX: 0000000000000000 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 54.815891] RBP: ffffffff8fbb3560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.823860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.831827] R13: ffffb49082337f10 R14: ffffb49082337f1[ 60.467505] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 60.476594] lkdtm: attempting bad ro_after_init write at ffffffff8e53c328 [ 60.484192] BUG: unable to handle page fault for address: ffffffff8e53c328 [ 60.491878] #PF: supervisor write access in kernel mode [ 60.497714] #PF: error_code(0x0003) - permissions violation 0 [R15: ffff94bc42854000 # [ 54.839795] FS: 00007f9ff9fcd580( 60.503928] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 104b31063 PTE 8000000011f3c061 [ 60.518897] Oops: 0003 [#15] SMP PTI [ 60.522887] CPU: 3 PID: 1977 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 60.531440] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.538260] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 54[ 60.544290] Code: 10 4c 8e e9 45 9f fd ff 48 c7 c7 18 11 4c 8e e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 4c 8e 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 60.571490] RSP: 0018:ffffb49082897e60 EFLAGS: 00010202 [ 60.577315] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 60.585286] RDX: 00000000abcd1234 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c10c0 [ 60.593290] RBP: ffffffff8e4c02b6 R08: 0000000000000000 R09: 0000000000000000 [ 60.601260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.609228] R13: ffffb49082897f10 R14: ffffb49082897f10 R15: ffff94bc455b3000 [ 60.617222] FS: 00007efec9f9e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 60.626260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.632676] CR2: ffffffff8e53c328 CR3: 0000000104e58001 CR4: 00000000003706e0 [ 60.640647] Call Trace: [ 60.643374] direct_entry.cold+0x2c/0x38 [ 60.647753] full_proxy_write+0x56/0x80 [ 60.652035] vfs_write+0xea/0x390 [ 60.655733] ksys_write+0x68/0xe0 [ 60.659430] do_syscall_64+0x33/0x40 [ 60.663410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.669050] RIP: 0033:0x7efec9ec6f33 [ 60.673037] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.694021] RSP: 002b:00007ffca85232a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.702478] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007efec9ec6f33 [ 60.710448] RDX: 0000000000000014 RSI: 00007efec9db7000 RDI: 0000000000000001 [ 60.718417] RBP: 00007efec9db7000 R08: 00007efec9db6010 R09: 0000000000000000 [ 60.726388] R10: 00007efec9fc11c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.734358] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.742330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.768794] CR2: ffffffff8e53c328 [ 60.772491] ---[ end trace 79aae51a6a3776c9 ]--- [ 60.777647] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.782024] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 60.803009] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 60.808841] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.816809] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 60.824777] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 60.832747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.840717] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 60.848687] FS: 00007efec9f9e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 60.857725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.864139] CR2: ffffffff8e53c328 CR3: 0000000104e58001 CR4: 00000000003706e0 .848831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.855259] CR2: ffffffff8fbb3560 CR3: 0000000104bfe005 CR4: 00000000003706f0 # [ 54.863228] Call Trace: # [ 54.865980] ? execute_location+0x48/0x56 # [ 54.870459] ? direct_entry.cold+0x2c/0x38 # [ 54.875023] ? full_proxy_write+0x56/0x80 # [ 54.879498] ? vfs_write+0xea/0x390 # [ 54.883389] ? ksys_write+0x68/0xe0 # [ 54.887271] ? do_syscall_64+0x33/0x40 # [ 54.891453] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.897279] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.923727] CR2: ffffffff8fbb3560 # [ 54.927423] ---[ end trace 79aae51a6a3776bf ]--- # [ 54.932579] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.936955] Code: 56 a5 ff 48[ 60.960102] lkdtm: Performing direct entry WRITE_KERN c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff [ 60.971012] lkdtm: attempting bad 6580762 byte write at ffffffff8daf8d5a ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f[ 60.984738] BUG: unable to handle page fault for address: ffffffff8daf8d5a [ 60.998610] #PF: supervisor write access in kernel mode [ 61.004435] #PF: error_code(0x0003) - permissions violation [ 61.010658] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 114000e1 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 54[ 61.017370] Oops: 0003 [#16] SMP PTI [ 61.027572] CPU: 1 PID: 2012 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 61.036124] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.042932] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e .957934] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 54.9[ 61.048086] Code: 53 48 c7 c3 5a 8d af 8d 49 89 dc 48 89 da 49 81 ec 40 23 4b 8d 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 40 23 4b 8d a4 48 c7 c7 c0 10 4c 8e e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 61.075285] RSP: 0018:ffffb4908293fe50 EFLAGS: 00010246 63759] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 00000000[ 61.081141] RAX: 000000000000003c RBX: ffffffff8daf8d5a RCX: 0000000000646a1a [ 61.095326] RDX: 0000000000000000 RSI: ffffffff8d4b2340 RDI: ffffffff8daf8d5a [ 61.103306] RBP: ffffffff8e4c02ca R08: 0000000000000000 R09: 0000000000000000 [ 61.111266] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a1a [ 61.119258] R13: ffffb4908293ff10 R14: ffffb4908293ff10 R15: ffff94bc440de000 [ 61.127227] FS: 00007fb25b0ab580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 61.136265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.142680] CR2: ffffffff8daf8d5a CR3: 000000010553a002 CR4: 00000000003706e0 [ 61.150650] Call Trace: [ 61.153379] direct_entry.cold+0x2c/0x38 00000000 # [ 54.971726] RDX: 0000000000000000 RSI: ffff94bcba[ 61.157760] full_proxy_write+0x56/0x80 [ 61.168261] vfs_write+0xea/0x390 [ 61.171958] ksys_write+0x68/0xe0 [ 61.175656] do_syscall_64+0x33/0x40 [ 61.179638] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.185277] RIP: 0033:0x7fb25afd3f33 [ 61.189266] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.210265] RSP: 002b:00007ffd66014838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.218720] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb25afd3f33 [ 61.226691] RDX: 000000000000000b RSI: 00007fb25aec4000 RDI: 0000000000000001 [ 61.234660] RBP: 00007fb25aec4000 R08: 00007fb25aec3010 R09: 0000000000000000 [ 61.242629] R10: 00007fb25b0ce1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.250599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c9bf70 RDI: ffffffff8e0d9a70 # [ 54.979693] RBP: ffffffff8e51[ 61.258572] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.291216] CR2: ffffffff8daf8d5a [ 61.294905] ---[ end trace 79aae51a6a3776ca ]--- [ 61.300060] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.304437] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 [ 61.325421] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 [ 61.331257] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.339226] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 [ 61.347195] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 [ 61.355166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.363136] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 [ 61.371105] FS: 00007fb25b0ab580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 61.380145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.386561] CR2: ffffffff8daf8d5a CR3: 000000010553a002 CR4: 00000000003706e0 [ 61.394531] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.404445] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2012, name: cat [ 61.412899] INFO: lockdep is turned off. [ 61.417275] irq event stamp: 0 [ 61.420680] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.427681] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.436807] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.445942] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.452940] CPU: 1 PID: 2012 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 61.461491] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.468310] Call Trace: [ 61.471037] dump_stack+0x77/0x97 [ 61.474736] ___might_sleep.cold+0xa6/0xb6 [ 61.479311] exit_signals+0x1c/0x2d0 [ 61.483308] do_exit+0xd5/0xb00 [ 61.486811] ? ksys_write+0x68/0xe0 [ 61.490694] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 61.496132] rewind_stack_do_exit+0x17/0x20 [ 61.500791] RIP: 0033:0x7fb25afd3f33 [ 61.504779] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.525764] RSP: 002b:00007ffd66014838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.534220] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb25afd3f33 [ 61.542191] RDX: 000000000000000b RSI: 00007fb25aec4000 RDI: 0000000000000001 [ 61.550159] RBP: 00007fb25aec4000 R08: 00007fb25aec3010 R09: 0000000000000000 [ 61.558127] R10: 00007fb25b0ce1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.566097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b490 R08: 0000000000000001 R09: 0000000000000001 # [ 54.987661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.995629] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 55.003598] FS: 00007f9ff9fcd580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 55.012635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.019049] CR2: ffffffff8fbb3560 CR3: 0000000104bfe005 CR4: 00000000003706f0 # [ 55.027019] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.036930] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1621, name: cat # [ 55.045384] INFO: lockdep is turned off. # [ 55.049758] irq event stamp: 0 # [ 55.053164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.060162] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.069289] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.078413] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 61.676395] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 55.085411] CPU: 0 PID: 1621 Comm: cat Tainted: G D W [ 61.686451] lkdtm: attempting good refcount_inc() without overflow 5.10.126-cip9 #1 # [ 55.093951] Hardware name: Google Rammu[ 61.699573] lkdtm: attempting bad refcount_inc() overflow s/Rammus, BIOS 09/04/2020 # [ 55.100753] Call Trace: # [ [ 61.711815] ------------[ cut here ]------------ 55.103481] dump_stack+0x77/0x97 # [ 55.107183] ___might_sle[ 61.723184] refcount_t: saturated; leaking memory. ep.cold+0xa6/0xb6 # [ 55.111754] exit_signals+0x1c/0x2d0 # [ 61.734783] WARNING: CPU: 1 PID: 2047 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 55.115733] do_exit+0xd5/0xb00 # [ 55.119226] ? ksys_wri[ 61.750313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify te+0x68/0xe0 # [ 55.123118] rewind_stack_do_exit+0x17/0x20 [ 61.782957] CPU: 1 PID: 2047 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 55.127783] RIP: 0033:0x7f9ff9ef5f33 # [ 55.131769] Code[ 61.797731] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 61.810755] RIP: 0010:refcount_warn_saturate+0x49/0xf0 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 61.822713] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 61.849915] RSP: 0018:ffffb490829d7e48 EFLAGS: 00010286 18 # [ 55.152748] RSP: 002b:00007ffc83fe4728 EFLAGS: 0000024[ 61.861973] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 6 ORIG_RAX: 0000000000000001 # [ 55.161192] RAX: ffffffffffff[ 61.876159] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 ffda RBX: 000000000000000a RCX: 00007f9ff9ef5f33 # [ 55.16915[ 61.890350] RBP: ffffffff8e4c02d5 R08: 0000000000000000 R09: 0000000000000000 9] RDX: 000000000000000a RSI: 00007f9ff9de6000 RDI: 000000000000[ 61.904540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0001 # [ 55.177125] RBP: 00007f9ff9de6000 R08: 00007f9ff9de50[ 61.918733] R13: ffffb490829d7f10 R14: ffffb490829d7f10 R15: ffff94bc44095000 10 R09: 0000000000000000 # [ 55.185092] R10: 00007f9ff9ff01c0[ 61.932925] FS: 00007fcb259f5580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 R11: 0000000000000246 R12: 0000000000000001 # [ 55.193058] R[ 61.948189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 61.960823] CR2: 00007fcb2580e000 CR3: 00000001013ec001 CR4: 00000000003706e0 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EX[ 61.975008] Call Trace: EC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 5[ 61.983959] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 5.284221] lkdtm: Performing direct entry EXEC_STACK # [ 55.29[ 61.995525] direct_entry.cold+0x2c/0x38 3712] lkdtm: attempting ok execution at ffffffff8d4b2340 # [ [ 62.006124] full_proxy_write+0x56/0x80 55.306439] lkdtm: attempting bad execution at ffffb490823dfe18 [ 62.016623] vfs_write+0xea/0x390 # [ 55.319275] kernel tried to execute NX-protected page - exp[ 62.026538] ksys_write+0x68/0xe0 loit attempt? (uid: 0) # [ 55.333831] BUG: unable to handle p[ 62.036453] do_syscall_64+0x33/0x40 age fault for address: ffffb490823dfe18 # [ 55.341507] #PF: s[ 62.046662] entry_SYSCALL_64_after_hwframe+0x44/0xa9 upervisor instruction fetch in kernel mode # [ 55.347824] #PF[ 62.058521] RIP: 0033:0x7fcb2591df33 : error_code(0x0011) - permissions violation # [ 55.354045] P[ 62.068729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 GD 100000067 P4D 100000067 PUD 100210067 PMD 103e11067 PTE 80000[ 62.095934] RSP: 002b:00007ffe406ed9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00104057063 # [ 55.363090] Oops: 0011 [#6] SMP PTI # [ 55.[ 62.110611] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcb2591df33 366980] CPU: 0 PID: 1657 Comm: cat Tainted: G D W 5[ 62.124800] RDX: 0000000000000016 RSI: 00007fcb2580e000 RDI: 0000000000000001 .10.126-cip9 #1 # [ 55.375531] Hardware name: Google Rammus/R[ 62.138989] RBP: 00007fcb2580e000 R08: 00007fcb2580d010 R09: 0000000000000000 ammus, BIOS 09/04/2020 # [ 55.382335] RIP: 0010:0xffffb49082[ 62.153178] R10: 00007fcb25a181c0 R11: 0000000000000246 R12: 0000000000000001 3dfe18 # [ 55.386712] Code: 00 00 18 fe 3d 82 90 b4 ff ff b3 [ 62.167367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8d af 8d ff ff ff ff 20 00 00 00 00 00 00 00 46 02 4c 8e ff ff f[ 62.181562] irq event stamp: 0 f ff df 8e af 8d ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 [ 62.191181] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 00 00 00 00 0f 1f 44 00 00 55 # [ 55.407681] RSP: 0018:fff[ 62.204402] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.219757] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 fb490823dfdf8 EFLAGS: 00010246 # [ 55.413514] RAX: 0000000000[ 62.228897] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.242110] ---[ end trace 79aae51a6a3776cb ]--- [ 62.247268] lkdtm: Overflow detected: saturated 000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.421480] RDX: 0000000000000000 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 55.429448] RBP: ffffb490823dfe18 R08: 0000000000000000 R09: 0000000000000000 # [ 55.437415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 55.445383] R13: ffffb490823dff10 R14: ffffb490823dff10 R15: ffff94bc45585000 # [ 55.453352] FS: 00007f03ebc11580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 55.462390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.468806] CR2: ffffb490823dfe18 CR3: 00000001054f0001 CR4: 00000000003706f0 # [ 55.476775] Call Trace: # [ 55.479503] ? execute_location+0x48/0x56 # [ 55.483983] ? lkdtm_EXEC_STACK+0x26/0x40 # [ 5[ 62.322945] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 62.333642] lkdtm: attempting good refcount_add() without overflow [ 62.340589] lkdtm: attempting bad refcount_add() overflow [ 62.346651] ------------[ cut here ]------------ [ 62.351827] refcount_t: saturated; leaking memory. [ 62.357205] WARNING: CPU: 2 PID: 2079 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 [ 62.366544] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.393000] CPU: 2 PID: 2079 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 62.401585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.408399] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 62.414168] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a [ 62.435157] RSP: 0018:ffffb49082a27e48 EFLAGS: 00010286 [ 62.440996] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 5.488457] ? direct_entry.cold+0x2c/0x38 # [ 55.493019] ? fu[ 62.448971] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 ll_proxy_write+0x56/0x80 # [ 55.497485] ? vfs_write+0xea/0x3[ 62.463161] RBP: ffffffff8e4c02eb R08: 0000000000000000 R09: 0000000000000000 [ 62.477346] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 62.485319] R13: ffffb49082a27f10 R14: ffffb49082a27f10 R15: ffff94bc43e32000 [ 62.493305] FS: 00007fee88168580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 [ 62.502342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 90 # [ 55.501375] ? ksys_write+0x68/0xe0 # [ 55.505267] [ 62.508787] CR2: 00007fee87f81000 CR3: 0000000103148006 CR4: 00000000003706e0 [ 62.522966] Call Trace: [ 62.525688] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 [ 62.531063] direct_entry.cold+0x2c/0x38 [ 62.535445] full_proxy_write+0x56/0x80 [ 62.539728] vfs_write+0xea/0x390 [ 62.543428] ksys_write+0x68/0xe0 [ 62.547126] do_syscall_64+0x33/0x40 [ 62.551116] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.556759] RIP: 0033:0x7fee88090f33 [ 62.560749] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.581734] RSP: 002b:00007ffe45c347e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.590192] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fee88090f33 [ 62.598162] RDX: 0000000000000016 RSI: 00007fee87f81000 RDI: 0000000000000001 [ 62.606133] RBP: 00007fee87f81000 R08: 00007fee87f80010 R09: 0000000000000000 [ 62.614103] R10: 00007fee8818b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.622074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.630047] irq event stamp: 0 [ 62.633452] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.640446] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.649584] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.658720] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.665710] ---[ end trace 79aae51a6a3776cc ]--- [ 62.670856] lkdtm: Overflow detected: saturated ? do_syscall_64+0x33/0x40 # [ 55.509447] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.515281] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.541731] CR2: ffffb490823dfe18 # [ 55.545418] ---[ end trace 79aae51a6a3776c0 ]--- # [ 55.550574] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.554948] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 55.575932] RSP: 0018:ffffb4908147fe60 E[ 62.746427] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 62.758111] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 62.765015] ------------[ cut here ]------------ FLAGS: 00010282 # [ 55.581763] RAX: ffffffff8d4b1f70 RBX: 000[ 62.770177] refcount_t: saturated; leaking memory. 0000000000001 RCX: 0000000000000000 # [ 55.589733] RDX: 00000[ 62.781753] WARNING: CPU: 2 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 62.797310] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 5[ 62.823773] CPU: 2 PID: 2111 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 62.838560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5.597702] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 00000[ 62.845383] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 62.857329] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb [ 62.878315] RSP: 0018:ffffb49082ac7e38 EFLAGS: 00010282 [ 62.884151] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.892123] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 [ 62.900095] RBP: ffffffff8e4bff28 R08: 0000000000000000 R09: 0000000000000000 [ 62.908069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.916042] R13: ffffb49082ac7f10 R14: ffffb49082ac7f10 R15: ffff94bc428d7000 [ 62.924016] FS: 00007fbe9fccc580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 [ 62.933058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.939477] CR2: 00007fbe9fae5000 CR3: 0000000105584003 CR4: 00000000003706e0 [ 62.947448] Call Trace: [ 62.950180] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 62.956341] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 62.962590] direct_entry.cold+0x2c/0x38 [ 62.966974] full_proxy_write+0x56/0x80 00000000001 # [ 55.605670] R10: 00000000ffffe000 R11: 3ffffff[ 62.971264] vfs_write+0xea/0x390 [ 62.981177] ksys_write+0x68/0xe0 [ 62.984879] do_syscall_64+0x33/0x40 [ 62.988872] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.994516] RIP: 0033:0x7fbe9fbf4f33 [ 62.998507] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.019493] RSP: 002b:00007ffd47c82718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.027952] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe9fbf4f33 [ 63.035924] RDX: 000000000000001f RSI: 00007fbe9fae5000 RDI: 0000000000000001 [ 63.043894] RBP: 00007fbe9fae5000 R08: 00007fbe9fae4010 R09: 0000000000000000 [ 63.051865] R10: 00007fbe9fcef1c0 R11: 0000000000000246 R12: 0000000000000001 fffffffff R12: 0000000000000004 # [ 55.613639] R13: ffffb4908[ 63.059839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 55.62[ 63.074030] irq event stamp: 0 [ 63.083652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.090655] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.099818] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.108956] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.115955] ---[ end trace 79aae51a6a3776cd ]--- [ 63.121112] lkdtm: Overflow detected: saturated 1608] FS: 00007f03ebc11580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 55.630645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.637060] CR2: ffffb490823dfe18 CR3: 00000001054f0001 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.813626] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.824934] lkdtm: attempting ok execution at ffffffff8d4b2340 # [ 55.837684] lkdtm: attempting bad execution at ffff94bc44d5b580 # [ 55.850505] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.865068] BUG: unable to handle page fault for address: ffff94bc44d5b580 # [ 55.872745] #PF: supervisor instru[ 63.198275] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ction fetch in kernel mode # [ 55.879063] #PF: error_code(0x0[ 63.208388] lkdtm: attempting bad refcount_add_not_zero() overflow 011) - permissions violation # [ 55.885297] PGD 13601067 P4D [ 63.221506] ------------[ cut here ]------------ 13601067 PUD 10084b063 PMD 104dd0063 PTE 8000000104d5b163 # [ [ 63.232873] refcount_t: saturated; leaking memory. 55.894149] Oops: 0011 [#7] SMP PTI # [ 55.904258] CPU: 1 PID[ 63.244471] WARNING: CPU: 1 PID: 2143 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 : 1693 Comm: cat Tainted: G D W 5.10.126-cip9 #1 #[ 63.259992] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.912810] Hardware name: Google Rammus/Rammus, BIOS 09/04[ 63.292637] CPU: 1 PID: 2143 Comm: cat Tainted: G D W 5.10.126-cip9 #1 /2020 # [ 55.919614] RIP: 0010:0xffff94bc44d5b580 # [ 55.9[ 63.307407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 23990] Code: 00 00 02 00 00 00 00 00 00 00 00 b8 d5 44 bc 94 ff [ 63.320435] RIP: 0010:refcount_warn_saturate+0x87/0xf0 ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 cf 8c f[ 63.332394] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb f ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f [ 63.359601] RSP: 0018:ffffb49082b5fe38 EFLAGS: 00010282 1f 44 00 00 55 # [ 55.944973] RSP: 0018:ffffb49082437e38 EFLA[ 63.371653] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 GS: 00010246 # [ 55.950806] RAX: 0000000000000033 RBX: 000000[ 63.385842] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 0000000001 RCX: 0000000000000000 # [ 55.958774] RDX: 00000000[ 63.400047] RBP: ffffffff8e4bff48 R08: 0000000000000000 R09: 0000000000000000 00000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 # [ 55.9[ 63.414230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 66745] RBP: ffff94bc44d5b580 R08: 0000000000000000 R09: 00000000[ 63.428419] R13: ffffb49082b5ff10 R14: ffffb49082b5ff10 R15: ffff94bc43293000 00000000 # [ 55.974713] R10: 00000000ffffe000 R11: 3fffffffff[ 63.442607] FS: 00007feefe275580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 ffffff R12: 000000000000000d # [ 55.982683] R13: ffffb4908243[ 63.457867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 7f10 R14: ffffb49082437f10 R15: ffff94bc44c13000 # [ 55.99065[ 63.470505] CR2: 00007feefe08e000 CR3: 0000000103296004 CR4: 00000000003706e0 3] FS: 00007f5adb365580(0000) GS:ffff94bcbac80000(0000) knlGS:0[ 63.484697] Call Trace: 000000000000000 # [ 55.999690] CS: 0010 DS: 0000 ES: 0000 CR[ 63.493648] __refcount_add_not_zero.constprop.0+0x2a/0x31 0: 0000000080050033 # [ 56.006105] CR2: ffff94bc44d5b580 CR3:[ 63.505993] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 0000000103f26005 CR4: 00000000003706e0 # [ 56.014073] Call T[ 63.518433] direct_entry.cold+0x2c/0x38 race: # [ 56.016803] ? execute_location+0x48/0x56 # [ 56.[ 63.529033] full_proxy_write+0x56/0x80 021279] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 56.032159] ? dir[ 63.539533] vfs_write+0xea/0x390 ect_entry.cold+0x2c/0x38 # [ 56.036731] ? full_proxy_write+0[ 63.549449] ksys_write+0x68/0xe0 x56/0x80 # [ 56.041206] ? vfs_write+0xea/0x390 # [ 56.045[ 63.559366] do_syscall_64+0x33/0x40 096] ? ksys_write+0x68/0xe0 # [ 56.048988] ? do_syscall_64+[ 63.569575] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0x33/0x40 # [ 56.053163] ? entry_SYSCALL_64_after_hwframe+0x[ 63.581438] RIP: 0033:0x7feefe19df33 44/0xa9 # [ 56.058997] Modules linked in: fuse ip_tables cros[ 63.591645] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 63.618850] RSP: 002b:00007ffcdf7425e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_ligh[ 63.633527] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feefe19df33 tbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros[ 63.647719] RDX: 000000000000001f RSI: 00007feefe08e000 RDI: 0000000000000001 _ec_dev cros_usbpd_notify # [ 56.091639] CR2: ffff94bc44d5b58[ 63.661908] RBP: 00007feefe08e000 R08: 00007feefe08d010 R09: 0000000000000000 0 # [ 56.095336] ---[ end trace 79aae51a6a3776c1 ]--- # [ [ 63.676098] R10: 00007feefe2981c0 R11: 0000000000000246 R12: 0000000000000001 56.100482] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.104849] Code: [ 63.690289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c[ 63.704482] irq event stamp: 0 7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0[ 63.714105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 0[ 63.727327] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 2 # [ 56.125834] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282[ 63.742681] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.131658] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RC[ 63.758036] softirqs last disabled at (0): [<0000000000000000>] 0x0 X: 0000000000000000 # [ 56.139627] RDX: 0000000000000000 RSI:[ 63.771261] ---[ end trace 79aae51a6a3776ce ]--- ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 56.147595] RBP: f[ 63.782636] lkdtm: Overflow detected: saturated fffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 56.155565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.163535] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 56.171506] FS: 00007f5adb365580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 56.180544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.186960] CR2: ffff94bc44d5b580 CR3: 0000000103f26005 CR4: 00000000003706e0 # [ 56.194930] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.204833] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1693, name: cat # [ 56.213302] INFO: lockdep is turned off. # [ 56.217682] irq event stamp: 0 # [ 56.221087[ 63.864357] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.874810] lkdtm: attempting good refcount_dec() [ 63.880066] lkdtm: attempting bad refcount_dec() to zero [ 63.886034] ------------[ cut here ]------------ [ 63.891219] refcount_t: decrement hit 0; leaking memory. ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 63.897170] WARNING: CPU: 2 PID: 2175 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 63.912704] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.939170] CPU: 2 PID: 2175 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 63.947749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.954579] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 56.228087] hardirqs last disabled at (0): [] [ 63.960329] Code: ff 48 c7 c7 f0 bd 45 8e c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 45 8e c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 63.987523] RSP: 0018:ffffb49082bcfe48 EFLAGS: 00010286 [ 63.993358] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 64.001330] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 [ 64.009316] RBP: ffffffff8e4c0301 R08: 0000000000000000 R09: 0000000000000000 [ 64.017288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.025280] R13: ffffb49082bcff10 R14: ffffb49082bcff10 R15: ffff94bc43313000 copy_process+0x63c/0x1c80 # [ 56.237213] softirqs last enabl[ 64.033260] FS: 00007f5e6dc62580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 [ 64.048516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.054935] CR2: 00007f5e6da7b000 CR3: 0000000104fe6002 CR4: 00000000003706e0 [ 64.062906] Call Trace: [ 64.065637] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 64.070624] direct_entry.cold+0x2c/0x38 [ 64.075004] full_proxy_write+0x56/0x80 [ 64.079286] vfs_write+0xea/0x390 [ 64.082985] ksys_write+0x68/0xe0 [ 64.086685] do_syscall_64+0x33/0x40 [ 64.090676] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.096318] RIP: 0033:0x7f5e6db8af33 [ 64.100309] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.121293] RSP: 002b:00007fff5ee4ef88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.129751] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5e6db8af33 [ 64.137722] RDX: 0000000000000012 RSI: 00007f5e6da7b000 RDI: 0000000000000001 [ 64.145692] RBP: 00007f5e6da7b000 R08: 00007f5e6da7a010 R09: 0000000000000000 [ 64.153654] R10: 00007f5e6dc851c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.161625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed at (0): [] copy_process+0x63c/0x1c80 # [ [ 64.169593] irq event stamp: 0 [ 64.179216] hardirqs last enabled at (0): [<0000000000000000>] 0x0 56.246347] softirqs last disabled at (0): [<0000000000000000>] [ 64.186220] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.201568] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.210704] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.217695] ---[ end trace 79aae51a6a3776cf ]--- [ 64.222849] lkdtm: Zero detected: saturated 0x0 # [ 56.253345] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 56.261897] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.268701] Call Trace: # [ 56.271428] dump_stack+0x77/0x97 # [ 56.275127] ___might_sleep.cold+0xa6/0xb6 # [ 56.285912] exit_signals+0x1c/0x2d0 # [ 56.289901] do_exit+0xd5/0xb00 # [ 56.293395] ? ksys_write+0x68/0xe0 # [ 56.297300] rewind_stack_do_exit+0x17/0x20 # [ 56.301976] RIP: 0033:0x7f5adb28df33 # [ 56.312178] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.333163] RSP: 002b:00007ffde25d5978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.341620] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5adb28df33 # [[ 64.314302] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 56.349589] RDX: 000000000000000d RSI: 00007f5adb17e000 RDI: 0[ 64.321315] lkdtm: attempting bad refcount_dec() below zero 000000000000001 # [ 56.357558] RBP: 00007f5adb17e000 R08: 000[ 64.333759] ------------[ cut here ]------------ [ 64.345127] refcount_t: decrement hit 0; leaking memory. 07f5adb17d010 R09: 0000000000000000 # [ 56.365527] R10: 00007[ 64.351090] WARNING: CPU: 1 PID: 2210 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 f5adb3881c0 R11: 0000000000000246 R12: 0000000000000001 # [ 5[ 64.366606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 6.373495] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 64.399264] CPU: 1 PID: 2210 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 64.414033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selfte[ 64.420843] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 sts: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh[ 64.432793] Code: ff 48 c7 c7 f0 bd 45 8e c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 45 8e c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # Killed # [ 56.453453] lkdtm: Performing direct entry EXEC[ 64.459999] RSP: 0018:ffffb49082c4fe48 EFLAGS: 00010286 _VMALLOC # [ 56.461909] lkdtm: attempting ok execution at fff[ 64.472052] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 fffff8d4b2340 # [ 56.474619] lkdtm: attempting bad execution [ 64.486263] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 [ 64.500452] RBP: ffffffff8e4c0313 R08: 0000000000000000 R09: 0000000000000000 at ffffb490806c5000 # [ 56.487449] kernel tried to execute NX[ 64.508450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 -protected page - exploit attempt? (uid: 0) # [ 56.502021] BU[ 64.522614] R13: ffffb49082c4ff10 R14: ffffb49082c4ff10 R15: ffff94bc4339d000 [ 64.536804] FS: 00007fb2c0e5e580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 G: unable to handle page fault for address: ffffb490806c5000 # [ 64.545847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.558478] CR2: 00007fb2c0c77000 CR3: 0000000103724005 CR4: 00000000003706e0 [ 56.509702] #PF: supervisor instruction fetch in kernel mode[ 64.566450] Call Trace: # [ 56.516020] #PF: error_code(0x0011) - permissions violatio[ 64.575394] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d n # [ 56.522233] PGD 100000067 P4D 100000067 PUD 100210067 PM[ 64.586962] direct_entry.cold+0x2c/0x38 D 105690067 PTE 80000001032e7063 # [ 56.537491] Oops: 0011 [#[ 64.597561] full_proxy_write+0x56/0x80 8] SMP PTI # [ 56.541384] CPU: 1 PID: 1729 Comm: cat Tainted:[ 64.608061] vfs_write+0xea/0x390 G D W 5.10.126-cip9 #1 # [ 56.549935] Hardware [ 64.618003] ksys_write+0x68/0xe0 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.556741] R[ 64.627920] do_syscall_64+0x33/0x40 IP: 0010:0xffffb490806c5000 # [ 56.561110] Code: Unable to ac[ 64.638129] entry_SYSCALL_64_after_hwframe+0x44/0xa9 cess opcode bytes at RIP 0xffffb490806c4fd6. # [ 56.568787] R[ 64.649990] RIP: 0033:0x7fb2c0d86f33 SP: 0018:ffffb49082507e38 EFLAGS: 00010246 # [ 56.574620] RAX[ 64.660199] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.687406] RSP: 002b:00007ffd457c2e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.582589] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI[ 64.702080] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb2c0d86f33 [ 64.716270] RDX: 0000000000000016 RSI: 00007fb2c0c77000 RDI: 0000000000000001 : ffff94bcbac9bf70 # [ 56.590558] RBP: ffffb490806c5000 R08: [ 64.724245] RBP: 00007fb2c0c77000 R08: 00007fb2c0c76010 R09: 0000000000000000 0000000000000000 R09: 0000000000000000 # [ 56.598526] R10: 00[ 64.738432] R10: 00007fb2c0e811c0 R11: 0000000000000246 R12: 0000000000000001 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ [ 64.752620] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56.606494] R13: ffffb49082507f10 R14: ffffb49082507f10 R15: ff[ 64.766814] irq event stamp: 0 ff94bc432e7000 # [ 56.614465] FS: 00007f50f2249580(0000) GS:[ 64.776437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 56.623502] [ 64.789657] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.6299[ 64.805010] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 17] CR2: ffffb490806c4fd6 CR3: 00000001026ba005 CR4: 00000000003[ 64.820365] softirqs last disabled at (0): [<0000000000000000>] 0x0 706e0 # [ 56.637887] Call Trace: # [ 56.640618] ? execute[ 64.833584] ---[ end trace 79aae51a6a3776d0 ]--- _location+0x48/0x56 # [ 56.645094] ? lkdtm_EXEC_VMALLOC+0x20[ 64.844955] lkdtm: Negative detected: saturated /0x30 # [ 56.655974] ? direct_entry.cold+0x2c/0x38 # [ 56.660546] ? full_proxy_write+0x56/0x80 # [ 56.665012] ? vfs_write+0xea/0x390 # [ 56.668892] ? ksys_write+0x68/0xe0 # [ 56.672783] ? do_syscall_64+0x33/0x40 # [ 56.676966] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.682800] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.715442] CR2: ffffb490806c5000 # [ 56.719139] ---[ end trace 79aae51a6a3776c2 ]--- # [ 56.724308] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.728685] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e[ 64.928891] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc[ 64.938448] lkdtm: attempting bad refcount_dec_and_test() below zero cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0[ 64.951784] ------------[ cut here ]------------ f 1f 44 00 00 83 05 a0 15 70 02 # [ 56.749669] RSP: 0018:ffff[ 64.963175] refcount_t: underflow; use-after-free. b4908147fe60 EFLAGS: 00010282 # [ 56.755502] RAX: ffffffff8d4[ 64.974790] WARNING: CPU: 0 PID: 2245 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.7634[ 64.990291] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 73] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0[ 65.022928] CPU: 0 PID: 2245 Comm: cat Tainted: G D W 5.10.126-cip9 #1 d9a70 # [ 56.771443] RBP: ffffffff8e51b490 R08: 0000000000000[ 65.037733] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 001 R09: 0000000000000001 # [ 56.779413] R10: 00000000ffffe00[ 65.050736] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.787383] [ 65.062720] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc4287200[ 65.089904] RSP: 0018:ffffb49082cdfe40 EFLAGS: 00010286 0 # [ 56.795351] FS: 00007f50f2249580(0000) GS:ffff94bcbac80[ 65.101991] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 000(0000) knlGS:0000000000000000 # [ 56.804390] CS: 0010 DS:[ 65.116138] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 0000 ES: 0000 CR0: 0000000080050033 # [ 56.810805] CR2: ffff[ 65.130375] RBP: ffffffff8e4bff68 R08: 0000000000000000 R09: 0000000000000000 b490806c4fd6 CR3: 00000001026ba005 CR4: 00000000003706e0 # EXEC[ 65.144527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f _VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VM[ 65.158720] R13: ffffb49082cdff10 R14: ffffb49082cdff10 R15: ffff94bc44b37000 ALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56[ 65.172909] FS: 00007f0c60467580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 .891844] lkdtm: Performing direct entry EXEC_RODATA # [ 56.89[ 65.188178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 9113] lkdtm: attempting ok execution at ffffffff8d4b2340 # [ [ 65.200811] CR2: 00007f0c60280000 CR3: 00000001030e6004 CR4: 00000000003706f0 56.905664] lkdtm: attempting bad execution at ffffffff8e0d9f00 [ 65.215003] Call Trace: # [ 56.912313] kernel tried to execute NX-protected page - exp[ 65.223952] __refcount_sub_and_test.constprop.0+0x34/0x40 loit attempt? (uid: 0) # [ 56.926870] BUG: unable to handle p[ 65.236303] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 age fault for address: ffffffff8e0d9f00 # [ 56.934547] #PF: s[ 65.248742] direct_entry.cold+0x2c/0x38 upervisor instruction fetch in kernel mode # [ 56.940865] #PF[ 65.259337] full_proxy_write+0x56/0x80 : error_code(0x0011) - permissions violation # [ 56.947084] P[ 65.269828] vfs_write+0xea/0x390 GD 12029067 P4D 12029067 PUD 1202a063 PMD 8000000011a000e1 # [[ 65.279756] ksys_write+0x68/0xe0 56.954570] Oops: 0011 [#9] SMP PTI # [ 56.958459] CPU: 3 P[ 65.289668] do_syscall_64+0x33/0x40 ID: 1765 Comm: cat Tainted: G D W 5.10.126-cip9 #1[ 65.299897] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.967008] Hardware name: Google Rammus/Rammus, BIOS 09/[ 65.311745] RIP: 0033:0x7f0c6038ff33 04/2020 # [ 56.973815] RIP: 0010:lkdtm_rodata_do_nothing+0x0/[ 65.321986] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0x10 # [ 56.979551] Code: ff ff df a2 af 8d ff ff ff ff 92 04[ 65.349171] RSP: 002b:00007fff096976f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4c 8e ff ff ff ff 95 8a af 8d ff ff ff ff 55 aa 55 aa 00 00 00 [ 65.363871] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0c6038ff33 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 65.378035] RDX: 000000000000001f RSI: 00007f0c60280000 RDI: 0000000000000001 00 00 00 00 54 68 69 73 20 69 # [ 57.000532] RSP: 0018:ffffb[ 65.392226] RBP: 00007f0c60280000 R08: 00007f0c6027f010 R09: 0000000000000000 4908258fe48 EFLAGS: 00010246 # [ 57.006357] RAX: 000000000000[ 65.406409] R10: 00007f0c6048a1c0 R11: 0000000000000246 R12: 0000000000000001 0033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.01432[ 65.420601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4] RDX: 0000000000000000 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9[ 65.434796] irq event stamp: 0 bf70 # [ 57.022307] RBP: ffffffff8e0d9f00 R08: 00000000000000[ 65.444424] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 R09: 0000000000000000 # [ 57.030274] R10: 00000000ffffe000[ 65.457638] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 R11: 3fffffffffffffff R12: 000000000000000c # [ 57.038255] R[ 65.472999] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 13: ffffb4908258ff10 R14: ffffb4908258ff10 R15: ffff94bc4640a000[ 65.488351] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.046224] FS: 00007f5570b1e580(0000) GS:ffff94bcbad800[ 65.501581] ---[ end trace 79aae51a6a3776d1 ]--- 00(0000) knlGS:0000000000000000 # [ 57.055256] CS: 0010 DS: [ 65.512949] lkdtm: Negative detected: saturated 0000 ES: 0000 CR0: 0000000080050033 # [ 57.061670] CR2: ffffffff8e0d9f00 CR3: 0000000103214003 CR4: 00000000003706e0 # [ 57.069639] Call Trace: # [ 57.072368] ? execute_location+0x48/0x56 # [ 57.076841] ? direct_entry.cold+0x2c/0x38 # [ 57.081413] ? full_proxy_write+0x56/0x80 # [ 57.085878] ? vfs_write+0xea/0x390 # [ 57.089759] ? ksys_write+0x68/0xe0 # [ 57.093649] ? do_syscall_64+0x33/0x40 # [ 57.097830] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.103663] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.130113] CR2: ffffffff8e0d9f00 # [ 57.140020] ---[ end trace[ 65.599673] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 65.612600] lkdtm: attempting bad refcount_sub_and_test() below zero [ 65.619719] ------------[ cut here ]------------ [ 65.624890] refcount_t: underflow; use-after-free. [ 65.630264] WARNING: CPU: 3 PID: 2280 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 79aae51a6a3776c3 ]--- # [ 57.145176] RIP: 0010:lkdtm_BUG+0x5[ 65.639602] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify /0x10 # [ 57.149552] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e[ 65.672264] CPU: 3 PID: 2280 Comm: cat Tainted: G D W 5.10.126-cip9 #1 2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc[ 65.687029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0[ 65.700054] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 65.712013] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 [ 65.733033] RSP: 0018:ffffb49082d5fe40 EFLAGS: 00010286 [ 65.738874] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 65.746847] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 [ 65.754820] RBP: ffffffff8e4bff88 R08: 0000000000000000 R09: 0000000000000000 [ 65.762795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.770769] R13: ffffb49082d5ff10 R14: ffffb49082d5ff10 R15: ffff94bc437c9000 [ 65.778743] FS: 00007feb964ff580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 65.787785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.794204] CR2: 00007feb96318000 CR3: 0000000104056002 CR4: 00000000003706e0 [ 65.802180] Call Trace: [ 65.804915] __refcount_sub_and_test.constprop.0+0x34/0x40 f 1f 44 00 00 83 05 a0 15 70 02 # [ 57.170533] RSP: 0018:ffff[ 65.811072] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 65.823505] direct_entry.cold+0x2c/0x38 [ 65.827890] full_proxy_write+0x56/0x80 [ 65.832179] vfs_write+0xea/0x390 [ 65.835881] ksys_write+0x68/0xe0 [ 65.839583] do_syscall_64+0x33/0x40 [ 65.843577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.849220] RIP: 0033:0x7feb96427f33 [ 65.853213] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.874203] RSP: 002b:00007ffc4b1732c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.882663] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feb96427f33 [ 65.890636] RDX: 000000000000001f RSI: 00007feb96318000 RDI: 0000000000000001 [ 65.898612] RBP: 00007feb96318000 R08: 00007feb96317010 R09: 0000000000000000 [ 65.906585] R10: 00007feb965221c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.914558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.922535] irq event stamp: 0 [ 65.925965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.932970] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.942143] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.951282] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.958300] ---[ end trace 79aae51a6a3776d2 ]--- [ 65.963488] lkdtm: Negative detected: saturated b4908147fe60 EFLAGS: 00010282 # [ 57.176366] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.184333] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 57.192318] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 57.200284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.208259] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 57.216227] FS: 00007f5570b1e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 57.225299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.231747] CR2: ffffffff8e0d9f00 CR3: 0000000103214003 CR4: 00000000003706e0 # [ 57.239715] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.249627] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1765, name: cat # [ 57.258082] INFO: lockdep is turned off. # [ 57.262457] irq event stamp: 0 # [ 57.265861] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.272859] hardirqs last disabled[ 66.071382] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 66.080553] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 66.087654] lkdtm: Good: zero detected [ 66.091840] lkdtm: Correctly stayed at zero [ 66.096510] lkdtm: attempting bad refcount_inc() from zero [ 66.102636] ------------[ cut here ]------------ [ 66.107793] refcount_t: addition on 0; use-after-free. [ 66.113562] WARNING: CPU: 3 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 at (0): [] copy_process+0x63c/0x1c80 # [ 5[ 66.122898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.155538] CPU: 3 PID: 2312 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 66.164095] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.170903] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 66.176643] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d [ 66.197631] RSP: 0018:ffffb49082dd7e48 EFLAGS: 00010286 [ 66.203467] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 66.211439] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 [ 66.219402] RBP: ffffffff8e4c0329 R08: 0000000000000000 R09: 0000000000000000 [ 66.227375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.235348] R13: ffffb49082dd7f10 R14: ffffb49082dd7f10 R15: ffff94bc45792000 [ 66.243321] FS: 00007ff2d7f88580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 66.252362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.258781] CR2: 00007ff2d7da1000 CR3: 00000001031d8001 CR4: 00000000003706e0 [ 66.266755] Call Trace: [ 66.269484] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 66.274472] direct_entry.cold+0x2c/0x38 [ 66.278853] full_proxy_write+0x56/0x80 [ 66.283137] vfs_write+0xea/0x390 [ 66.286837] ksys_write+0x68/0xe0 [ 66.290538] do_syscall_64+0x33/0x40 [ 66.294530] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.300172] RIP: 0033:0x7ff2d7eb0f33 [ 66.304162] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.325150] RSP: 002b:00007ffe731cedc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.333608] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff2d7eb0f33 [ 66.341579] RDX: 0000000000000012 RSI: 00007ff2d7da1000 RDI: 0000000000000001 7.281994] softirqs last enabled at (0): [] co[ 66.349556] RBP: 00007ff2d7da1000 R08: 00007ff2d7da0010 R09: 0000000000000000 [ 66.363742] R10: 00007ff2d7fab1c0 R11: 0000000000000246 R12: 0000000000000001 py_process+0x63c/0x1c80 # [ 57.291128] softirqs last disabled[ 66.371718] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.385904] irq event stamp: 0 [ 66.389344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.396347] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.405509] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.414662] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.421662] ---[ end trace 79aae51a6a3776d3 ]--- [ 66.426817] lkdtm: Zero detected: saturated at (0): [<0000000000000000>] 0x0 # [ 57.298126] CPU: 3 PID: 1765 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 57.306669] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.313472] Call Trace: # [ 57.316200] dump_stack+0x77/0x97 # [ 57.319898] ___might_sleep.cold+0xa6/0xb6 # [ 57.324470] exit_signals+0x1c/0x2d0 # [ 57.328449] do_exit+0xd5/0xb00 # [ 57.331951] ? ksys_write+0x68/0xe0 # [ 57.335842] rewind_stack_do_exit+0x17/0x20 # [ 57.340508] RIP: 0033:0x7f5570a46f33 # [ 57.344496] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.365470] R[ 66.502985] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.512417] lkdtm: attempting safe refcount_add_not_zero() from zero [ 66.519526] lkdtm: Good: zero detected [ 66.523713] lkdtm: Correctly stayed at zero [ 66.528384] lkdtm: attempting bad refcount_add() from zero [ 66.534510] ------------[ cut here ]------------ [ 66.539656] refcount_t: addition on 0; use-after-free. [ 66.545422] WARNING: CPU: 3 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 SP: 002b:00007ffd343d4b98 EFLAGS: 00000246 ORIG_RAX: 00000000000[ 66.554763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.587402] CPU: 3 PID: 2344 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 66.595956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.602763] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 66.608503] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d [ 66.629491] RSP: 0018:ffffb49082e57e48 EFLAGS: 00010286 00001 # [ 57.373925] RAX: ffffffffffffffda RBX: 0000000000000[ 66.635329] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.649517] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 00c RCX: 00007f5570a46f33 # [ 57.381893] RDX: 000000000000000[ 66.657492] RBP: ffffffff8e4c033b R08: 0000000000000000 R09: 0000000000000000 [ 66.671677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.679647] R13: ffffb49082e57f10 R14: ffffb49082e57f10 R15: ffff94bc44b22000 [ 66.687619] FS: 00007f1d017f1580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 66.696650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.703058] CR2: 00007f1d0160a000 CR3: 0000000103148002 CR4: 00000000003706e0 [ 66.711029] Call Trace: [ 66.713761] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 66.718747] direct_entry.cold+0x2c/0x38 [ 66.723129] full_proxy_write+0x56/0x80 [ 66.727410] vfs_write+0xea/0x390 [ 66.731110] ksys_write+0x68/0xe0 [ 66.734810] do_syscall_64+0x33/0x40 [ 66.738802] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.744444] RIP: 0033:0x7f1d01719f33 [ 66.748435] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.769421] RSP: 002b:00007ffe7d2dedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.777877] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1d01719f33 [ 66.785848] RDX: 0000000000000012 RSI: 00007f1d0160a000 RDI: 0000000000000001 [ 66.793818] RBP: 00007f1d0160a000 R08: 00007f1d01609010 R09: 0000000000000000 [ 66.801789] R10: 00007f1d018141c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.809760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.817737] irq event stamp: 0 [ 66.821142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.828145] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.837283] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.846420] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.853421] ---[ end trace 79aae51a6a3776d4 ]--- [ 66.858577] lkdtm: Zero detected: saturated c RSI: 00007f5570937000 RDI: 0000000000000001 # [ 57.389860] RBP: 00007f5570937000 R08: 00007f5570936010 R09: 0000000000000000 # [ 57.397829] R10: 00007f5570b411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.405797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 57.603932] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.612513] lkdtm: attempting ok execution at ffffffff8d4b2340 # [ 57.619043] lkdtm: attempting bad execution at 00007f7362b77000 # [ 57.625665] unable to execute userspace code (SMEP?) (uid: 0) # [ 57.632084] BUG: unable to handle page fault for address: 00007f7362b77000 # [ 57.639754] #PF: supervisor instruction fetch in [ 66.937950] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED kernel mode # [ 57.646072] #PF: error_code(0x0011) - permissi[ 66.950959] lkdtm: attempting bad refcount_inc() from saturated ons violation # [ 57.652308] PGD 8000000103464067 P4D 8000000[ 66.963711] ------------[ cut here ]------------ 103464067 PUD 104cb9067 PMD 104cef067 PTE 10b2a1067 # [ 57.66[ 66.975080] refcount_t: saturated; leaking memory. 2027] Oops: 0011 [#10] SMP PTI # [ 57.666014] CPU: 3 PID: 180[ 66.986715] WARNING: CPU: 0 PID: 2379 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 1 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ [ 67.002231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 57.674565] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 67.034887] CPU: 0 PID: 2379 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 57.681369] RIP: 0010:0x7f7362b77000 # [ 57.685355] Co[ 67.049663] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 de: Unable to access opcode bytes at RIP 0x7f7362b76fd6. # [ [ 67.062667] RIP: 0010:refcount_warn_saturate+0x49/0xf0 57.692641] RSP: 0018:ffffb490825e7e50 EFLAGS: 00010246 # [ 57[ 67.074631] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a .698473] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 000000[ 67.101815] RSP: 0018:ffffb49082ecfe48 EFLAGS: 00010286 0000000000 # [ 57.706441] RDX: 0000000000000000 RSI: ffff94bc[ 67.113905] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 bad9bf70 RDI: ffff94bcbad9bf70 # [ 57.714409] RBP: 00007f7362[ 67.128060] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 b77000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.722[ 67.142312] RBP: ffffffff8e4c034d R08: 0000000000000000 R09: 0000000000000000 377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 67.156471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 00000f # [ 57.730345] R13: ffffb490825e7f10 R14: ffffb490825e[ 67.170669] R13: ffffb49082ecff10 R14: ffffb49082ecff10 R15: ffff94bc4405d000 7f10 R15: ffff94bc4339c000 # [ 57.738314] FS: 00007f7362b485[ 67.184850] FS: 00007fea89257580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 80(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ [ 67.200123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 57.747349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 67.212748] CR2: 00007fea89070000 CR3: 0000000104fc4006 CR4: 00000000003706f0 [ 57.753762] CR2: 00007f7362b77000 CR3: 00000001033ee006 CR4:[ 67.226955] Call Trace: 00000000003706e0 # [ 57.761731] Call Trace: # [ 57.764460[ 67.235893] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 ] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 57.769808] ? di[ 67.247578] direct_entry.cold+0x2c/0x38 rect_entry.cold+0x2c/0x38 # [ 57.774379] ? full_proxy_write+[ 67.258157] full_proxy_write+0x56/0x80 0x56/0x80 # [ 57.778853] ? vfs_write+0xea/0x390 # [ 57.78[ 67.268698] vfs_write+0xea/0x390 2734] ? ksys_write+0x68/0xe0 # [ 57.786625] ? do_syscall_64[ 67.278580] ksys_write+0x68/0xe0 +0x33/0x40 # [ 57.790808] ? entry_SYSCALL_64_after_hwframe+0[ 67.288510] do_syscall_64+0x33/0x40 x44/0xa9 # [ 57.796633] Modules linked in: fuse ip_tables cro[ 67.298701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 s_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer [ 67.310612] RIP: 0033:0x7fea8917ff33 kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lig[ 67.320786] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 htbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cro[ 67.348035] RSP: 002b:00007ffd95017958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 s_ec_dev cros_usbpd_notify # [ 57.823092] CR2: 00007f7362b770[ 67.362657] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fea8917ff33 [ 67.376822] RDX: 0000000000000017 RSI: 00007fea89070000 RDI: 0000000000000001 00 # [ 57.826787] ---[ end trace 79aae51a6a3776c4 ]--- # [ [ 67.384800] RBP: 00007fea89070000 R08: 00007fea8906f010 R09: 0000000000000000 57.831941] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.836320] Code:[ 67.399038] R10: 00007fea8927a1c0 R11: 0000000000000246 R12: 0000000000000001 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 [ 67.413185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <[ 67.427383] irq event stamp: 0 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 [ 67.437001] hardirqs last enabled at (0): [<0000000000000000>] 0x0 02 # [ 57.857307] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282[ 67.450207] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 57.863140] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 R[ 67.465581] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 CX: 0000000000000000 # [ 57.871110] RDX: 0000000000000000 RSI[ 67.480918] softirqs last disabled at (0): [<0000000000000000>] 0x0 : ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 57.879079] RBP: [ 67.494179] ---[ end trace 79aae51a6a3776d5 ]--- [ 67.505537] lkdtm: Saturation detected: still saturated ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 57.887047] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.895016] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 57.902985] FS: 00007f7362b48580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 57.912023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.918438] CR2: 00007f7362b77000 CR3: 00000001033ee006 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 58.076003] lkdtm: Performing direct entry EXEC_NULL # [ 58.087397] lkdtm: attempting ok execution at ffffffff8d4b2340 # [ 58.100123] lkdtm: attempting bad execution at 0000000000000000 # [ 58.112953] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.126940] #PF: supervisor instruction fetch in kernel mode # [ 58.133258] #PF: error_code(0x0010) - not-present page # [ 58.138995] PGD 0 P4D 0 # [ 58.141819] Oops: 0010 [#11] SMP PTI # [ 58.145808] CPU: 1 PID: 1837 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 58.154352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.161157] RIP: 0010:0x0 # [ 58.164077] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 58.171755] RSP: 0018:ffffb49082697e48 EFLAGS: 00010246 # [ 58.177588] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 58.185559] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 # [ 58.193527] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.201497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 58.209466] R13: ffffb49082697f10 R14: ffffb49082697f10 R15: ffff94bc43305000 # [ 58.217436] FS: 00007fd58ff70580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 58.226473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.232888] CR2: ffffffffffffffd6 CR3: 0000000104d46001 CR4: 00000000003706e0 # [ 58.240857] Call Trace: # [ 58.243586] execute_location+0x48/0x56 # [ 58.247869] direct_entry.cold+0x2c/0x38 # [ 58.258460] full_proxy_write+0x56/0x80 # [ 58.262743] vfs_write+0xea/0x390 # [ 58.266439] ksys_write+0x68/0xe0 # [ 58.270136] do_syscall_64+0x33/0x40 # [ 58.274117] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.279756] RIP: 0033:0x7fd58fe98f33 # [ 58.2[ 67.755913] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 83744] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 67.764088] lkdtm: attempting bad refcount_dec() from saturated ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 67.776924] ------------[ cut here ]------------ 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 67.788300] refcount_t: decrement hit 0; leaking memory. 48 89 54 24 18 # [ 58.304728] RSP: 002b:00007ffe0ab6f088 EFLA[ 67.800460] WARNING: CPU: 0 PID: 2414 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.313184] RAX: f[ 67.816042] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffffffffffffda RBX: 000000000000000a RCX: 00007fd58fe98f33 # [[ 67.848668] CPU: 0 PID: 2414 Comm: cat Tainted: G D W 5.10.126-cip9 #1 58.321153] RDX: 000000000000000a RSI: 00007fd58fd89000 RDI: 0[ 67.863468] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000001 # [ 58.329123] RBP: 00007fd58fd89000 R08: 000[ 67.876478] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 07fd58fd88010 R09: 0000000000000000 # [ 58.337091] R10: 00007[ 67.888452] Code: ff 48 c7 c7 f0 bd 45 8e c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 45 8e c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 fd58ff931c0 R11: 0000000000000246 R12: 0000000000000001 # [ 5[ 67.915627] RSP: 0018:ffffb49082f2fe48 EFLAGS: 00010286 8.345062] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 67.927701] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 00000020000 # [ 58.353033] Modules linked in: fuse ip_tables [ 67.941872] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[ 67.956077] RBP: ffffffff8e4c0364 R08: 0000000000000000 R09: 0000000000000000 er kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_[ 67.970279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal [ 67.984480] R13: ffffb49082f2ff10 R14: ffffb49082f2ff10 R15: ffff94bc4331b000 cros_ec_dev cros_usbpd_notify # [ 58.385676] CR2: 00000000000[ 67.998657] FS: 00007fc358658580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 00000 # [ 58.389374] ---[ end trace 79aae51a6a3776c5 ]--- # [ 68.013940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.394530] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.398905] Co[ 68.026562] CR2: 00007fc358471000 CR3: 00000001028d0005 CR4: 00000000003706f0 de: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 [ 68.040762] Call Trace: 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 0[ 68.049701] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 [ 68.061412] direct_entry.cold+0x2c/0x38 70 02 # [ 58.419889] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010[ 68.072001] full_proxy_write+0x56/0x80 282 # [ 58.425722] RAX: ffffffff8d4b1f70 RBX: 000000000000000[ 68.082521] vfs_write+0xea/0x390 1 RCX: 0000000000000000 # [ 58.433690] RDX: 0000000000000000 [ 68.092416] ksys_write+0x68/0xe0 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 58.441660] RB[ 68.102345] do_syscall_64+0x33/0x40 P: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001[ 68.112562] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.449629] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 68.124413] RIP: 0033:0x7fc358580f33 2: 0000000000000004 # [ 58.457600] R13: ffffb4908147ff10 R14:[ 68.134668] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffb4908147ff10 R15: ffff94bc42872000 # [ 58.465571] FS: 0[ 68.161838] RSP: 002b:00007ffe8c30f4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0007fd58ff70580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000[ 68.176522] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc358580f33 000000 # [ 58.474601] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 68.190716] RDX: 0000000000000017 RSI: 00007fc358471000 RDI: 0000000000000001 0080050033 # [ 58.481016] CR2: ffffffffffffffd6 CR3: 00000001[ 68.204903] RBP: 00007fc358471000 R08: 00007fc358470010 R09: 0000000000000000 04d46001 CR4: 00000000003706e0 # [ 58.488986] BUG: sleeping f[ 68.219082] R10: 00007fc35867b1c0 R11: 0000000000000246 R12: 0000000000000001 unction called from invalid context at include/linux/percpu-rwse[ 68.233308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m.h:49 # [ 58.498897] in_atomic(): 0, irqs_disabled(): 1, non[ 68.247475] irq event stamp: 0 _block: 0, pid: 1837, name: cat # [ 58.507352] INFO: lockdep [ 68.257109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 is turned off. # [ 58.511727] irq event stamp: 0 # [ 58.51[ 68.270335] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 5132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #[ 68.285696] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.522135] hardirqs last disabled at (0): [] 0x0 c>] copy_process+0x63c/0x1c80 # [ 58.531272] softirqs last e[ 68.314309] ---[ end trace 79aae51a6a3776d6 ]--- nabled at (0): [] copy_process+0x63c/0x1c80 #[ 68.325653] lkdtm: Saturation detected: still saturated [ 58.540407] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.547406] CPU: 1 PID: 1837 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 58.555958] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.562762] Call Trace: # [ 58.565490] dump_stack+0x77/0x97 # [ 58.569190] ___might_sleep.cold+0xa6/0xb6 # [ 58.579975] exit_signals+0x1c/0x2d0 # [ 58.583963] do_exit+0xd5/0xb00 # [ 58.587467] ? ksys_write+0x68/0xe0 # [ 58.591360] rewind_stack_do_exit+0x17/0x20 # [ 58.596029] RIP: 0033:0x7fd58fe98f33 # [ 58.600008] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.620993] RSP: 002b:00007ffe0ab6f088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.629450] RA[ 68.421576] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED X: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd58fe98f33[ 68.431511] lkdtm: attempting bad refcount_dec() from saturated # [ 58.637419] RDX: 000000000000000a RSI: 00007fd58fd89000 RD[ 68.444342] ------------[ cut here ]------------ [ 68.455712] refcount_t: saturated; leaking memory. I: 0000000000000001 # [ 58.645389] RBP: 00007fd58fd89000 R08:[ 68.461094] WARNING: CPU: 1 PID: 2449 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 00007fd58fd88010 R09: 0000000000000000 # [ 58.653359] R10: 0[ 68.476608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0007fd58ff931c0 R11: 0000000000000246 R12: 0000000000000001 # [[ 68.509256] CPU: 1 PID: 2449 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 68.524027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.530838] RIP: 0010:refcount_warn_saturate+0x49/0xf0 58.661329] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 68.536603] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a [ 68.563803] RSP: 0018:ffffb49082fdfe48 EFLAGS: 00010286 000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selft[ 68.569641] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 68.583827] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 ests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.[ 68.591801] RBP: ffffffff8e4c037b R08: 0000000000000000 R09: 0000000000000000 [ 68.605987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 sh # Killed # [ 58.742889] lkdtm: Performing direct entry AC[ 68.613964] R13: ffffb49082fdff10 R14: ffffb49082fdff10 R15: ffff94bc45777000 CESS_USERSPACE # [ 58.750147] lkdtm: attempting bad read at 0[ 68.628155] FS: 00007f272bccb580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 [ 68.643412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0007f638e5db000 # [ 58.762493] BUG: unable to handle page fau[ 68.649834] CR2: 00007f272bae4000 CR3: 00000001054da004 CR4: 00000000003706e0 lt for address: 00007f638e5db000 # [ 58.776367] #PF: supervis[ 68.664021] Call Trace: or read access in kernel mode # [ 58.782101] #PF: error_code([ 68.672968] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 0x0001) - permissions violation # [ 58.788322] PGD 8000000103[ 68.684633] direct_entry.cold+0x2c/0x38 0c9067 P4D 80000001030c9067 PUD 103287067 PMD 1040a3067 PTE 1158[ 68.695259] full_proxy_write+0x56/0x80 75067 # [ 58.798050] Oops: 0001 [#12] SMP PTI # [ 58.80203[ 68.705732] vfs_write+0xea/0x390 1] CPU: 0 PID: 1872 Comm: cat Tainted: G D W 5.10.1[ 68.715644] ksys_write+0x68/0xe0 26-cip9 #1 # [ 58.810583] Hardware name: Google Rammus/Rammus[ 68.725560] do_syscall_64+0x33/0x40 , BIOS 09/04/2020 # [ 58.817388] RIP: 0010:lkdtm_ACCESS_USER[ 68.735769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 SPACE.cold+0x3d/0x9f # [ 58.823614] Code: 2b 04 25 28 00 00 0[ 68.747626] RIP: 0033:0x7f272bbf3f33 0 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 b0 11 4c 8e e8 73 9d[ 68.757832] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fd ff 48 c7 c7 d8 11 4c 8e b8 de c0 de c0 <48> 03 45 00 48 89 0[ 68.785036] RSP: 002b:00007ffe1496d838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 00 12 4c # [ 58.844596][ 68.799712] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f272bbf3f33 RSP: 0018:ffffb4908271fe48 EFLAGS: 00010246 # [ 58.850427] R[ 68.813902] RDX: 0000000000000017 RSI: 00007f272bae4000 RDI: 0000000000000001 AX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000[ 68.828092] RBP: 00007f272bae4000 R08: 00007f272bae3010 R09: 0000000000000000 # [ 58.858394] RDX: 0000000000000000 RSI: ffff94bcbac1bf70 R[ 68.842283] R10: 00007f272bcee1c0 R11: 0000000000000246 R12: 0000000000000001 DI: ffffffff8e4c11d8 # [ 58.866363] RBP: 00007f638e5db000 R08[ 68.856472] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000000000 R09: 0000000000000000 # [ 58.874332] R10: [ 68.870665] irq event stamp: 0 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 68.880302] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.882302] R13: ffffb4908271ff10 R14: ffffb4908271ff10 R15: [ 68.893530] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ffff94bc44d36000 # [ 58.890272] FS: 00007f638e5ac580(0000) G[ 68.908882] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 S:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 58.899304[ 68.924238] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.90[ 68.937454] ---[ end trace 79aae51a6a3776d7 ]--- [ 68.948828] lkdtm: Saturation detected: still saturated 5719] CR2: 00007f638e5db000 CR3: 00000001033fa004 CR4: 00000000003706f0 # [ 58.913686] Call Trace: # [ 58.916414] direct_entry.cold+0x2c/0x38 # [ 58.920798] full_proxy_write+0x56/0x80 # [ 58.925083] vfs_write+0xea/0x390 # [ 58.928780] ksys_write+0x68/0xe0 # [ 58.932477] do_syscall_64+0x33/0x40 # [ 58.936464] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.942103] RIP: 0033:0x7f638e4d4f33 # [ 58.946091] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.967071] RSP: 002b:00007ffee694d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.975526] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f638e4d4f33 # [ 58.983494] RDX: 0000000000000011 RSI: 00007f638e3c5000 RDI: 0000000000000001 # [ 58.991462] RBP: 00007f638e3c5000 R08: 00007f638e3c4010 R09: 0000000000000000 # [ 58.999428] R10: 00007f638e5cf1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.007396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.015365] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.041803] CR2: 00007f638e5db000 # [ 59.045498] ---[ end trace 79aae51a6a3776c6 ]--- # [ 59.050653] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.055030] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 59.076010] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 59.08[ 69.131185] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 1844] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 000000000[ 69.144813] lkdtm: attempting bad refcount_inc_not_zero() from saturated 0000000 # [ 59.089810] RDX: 0000000000000000 RSI: ffff94bcbac[ 69.158511] ------------[ cut here ]------------ 9bf70 RDI: ffffffff8e0d9a70 # [ 59.097778] RBP: ffffffff8e51b[ 69.169900] refcount_t: saturated; leaking memory. 490 R08: 0000000000000001 R09: 0000000000000001 # [ 59.105748[ 69.181476] WARNING: CPU: 0 PID: 2481 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 69.197005] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 004 # [ 59.113715] R13: ffffb4908147ff10 R14: ffffb4908147ff1[ 69.229684] CPU: 0 PID: 2481 Comm: cat Tainted: G D W 5.10.126-cip9 #1 0 R15: ffff94bc42872000 # [ 59.121682] FS: 00007f638e5ac580([ 69.244443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 59[ 69.257486] RIP: 0010:refcount_warn_saturate+0x87/0xf0 .130718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 69.269423] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 59.137131] CR2: 00007f638e5db000 CR3: 00000001033fa004 CR4: 00[ 69.296644] RSP: 0018:ffffb4908305fe38 EFLAGS: 00010282 000000003706f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37[ 69.308673] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCE[ 69.322877] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 SS_NULL.sh # Killed # [ 59.271134] lkdtm: Performing direct [ 69.337057] RBP: ffffffff8e4bffa8 R08: 0000000000000000 R09: 0000000000000000 entry ACCESS_NULL # [ 59.281366] lkdtm: attempting bad read a[ 69.351260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 t 0000000000000000 # [ 59.293707] BUG: kernel NULL pointer de[ 69.365435] R13: ffffb4908305ff10 R14: ffffb4908305ff10 R15: ffff94bc44e42000 reference, address: 0000000000000000 # [ 59.307693] #PF: supe[ 69.379644] FS: 00007f2686850580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 rvisor read access in kernel mode # [ 59.313431] #PF: error_c[ 69.394885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ode(0x0000) - not-present page # [ 59.325381] PGD 0 P4D 0 #[ 69.407531] CR2: 00007f2686669000 CR3: 0000000104c16001 CR4: 00000000003706f0 [ 59.328206] Oops: 0000 [#13] SMP PTI # [ 59.332188] CPU: [ 69.421712] Call Trace: 1 PID: 1907 Comm: cat Tainted: G D W 5.10.126-cip9 [ 69.430668] __refcount_add_not_zero.constprop.0+0x2a/0x31 #1 # [ 59.340743] Hardware name: Google Rammus/Rammus, BIOS [ 69.443000] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 09/04/2020 # [ 59.347550] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x[ 69.455555] direct_entry.cold+0x2c/0x38 53 # [ 59.352802] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e[ 69.466162] full_proxy_write+0x56/0x80 8 6e bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b0[ 69.476683] vfs_write+0xea/0x390 11 4c 8e e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c[ 69.486607] ksys_write+0x68/0xe0 0 48 c7 c7 d8 11 4c 8e 48 01 # [ 59.380000] RSP: 0018:ffffb49[ 69.496517] do_syscall_64+0x33/0x40 0827b7e58 EFLAGS: 00010246 # [ 59.385834] RAX: 00000000000000[ 69.506723] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.393804][ 69.518587] RIP: 0033:0x7f2686778f33 RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf[ 69.528782] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 70 # [ 59.401772] RBP: ffffffff8e4c02a1 R08: 0000000000000000[ 69.556031] RSP: 002b:00007ffd42a2bf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R09: 0000000000000000 # [ 59.409740] R10: 00000000ffffe000 R[ 69.570724] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2686778f33 11: 3fffffffffffffff R12: 000000000000000c # [ 59.417709] R13[ 69.584919] RDX: 0000000000000020 RSI: 00007f2686669000 RDI: 0000000000000001 : ffffb490827b7f10 R14: ffffb490827b7f10 R15: ffff94bc44f0f000 [ 69.599068] RBP: 00007f2686669000 R08: 00007f2686668010 R09: 0000000000000000 # [ 59.425677] FS: 00007fc722111580(0000) GS:ffff94bcbac80000[ 69.613279] R10: 00007f26868731c0 R11: 0000000000000246 R12: 0000000000000001 (0000) knlGS:0000000000000000 # [ 59.434715] CS: 0010 DS: 00[ 69.627451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 ES: 0000 CR0: 0000000080050033 # [ 59.441129] CR2: 0000000[ 69.641677] irq event stamp: 0 000000000 CR3: 0000000104fcc005 CR4: 00000000003706e0 # [ 59.[ 69.651285] hardirqs last enabled at (0): [<0000000000000000>] 0x0 449098] Call Trace: # [ 59.451825] direct_entry.cold+0x2c/0x[ 69.664523] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 38 # [ 59.456205] full_proxy_write+0x56/0x80 # [ 59.46669[ 69.679881] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 6] vfs_write+0xea/0x390 # [ 59.470393] ksys_write+0x68/0xe0[ 69.695237] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.708417] ---[ end trace 79aae51a6a3776d8 ]--- # [ 59.474091] do_syscall_64+0x33/0x40 # [ 59.478070] e[ 69.713614] lkdtm: Saturation detected: still saturated ntry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.483710] RIP: 0033:0x7fc722039f33 # [ 59.487698] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.508681] RSP: 002b:00007ffde5b8bb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.517138] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc722039f33 # [ 59.525108] RDX: 000000000000000c RSI: 00007fc721f2a000 RDI: 0000000000000001 # [ 59.533079] RBP: 00007fc721f2a000 R08: 00007fc721f29010 R09: 0000000000000000 # [ 59.541046] R10: 00007fc7221341c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.549014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.556985] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.589628] CR2: 0000000000000000 # [ 59.593316] ---[ end t[ 69.835895] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 69.845171] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 69.852667] ------------[ cut here ]------------ race 79aae51a6a3776c7 ]--- # [ 59.598472] RIP: 0010:lkdtm_BUG[ 69.857832] refcount_t: saturated; leaking memory. [ 69.869427] WARNING: CPU: 3 PID: 2513 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 +0x5/0x10 # [ 59.602848] Code: 56 a5 ff 48 c7 c0 ea ff ff ff [ 69.878766] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.911428] CPU: 3 PID: 2513 Comm: cat Tainted: G D W 5.10.126-cip9 #1 eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc c[ 69.919995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.933013] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 69.938754] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb [ 69.959742] RSP: 0018:ffffb490830f7e38 EFLAGS: 00010282 [ 69.965577] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.973549] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 [ 69.981522] RBP: ffffffff8e4bffc8 R08: 0000000000000000 R09: 0000000000000000 [ 69.989494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.997467] R13: ffffb490830f7f10 R14: ffffb490830f7f10 R15: ffff94bc413ed000 [ 70.005441] FS: 00007fc4f034c580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 [ 70.014483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.020903] CR2: 00007fc4f0165000 CR3: 0000000104e0e001 CR4: 00000000003706e0 [ 70.028874] Call Trace: [ 70.031607] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 70.037767] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 70.044112] direct_entry.cold+0x2c/0x38 [ 70.048495] full_proxy_write+0x56/0x80 [ 70.052802] vfs_write+0xea/0x390 [ 70.056503] ksys_write+0x68/0xe0 [ 70.060207] do_syscall_64+0x33/0x40 [ 70.064199] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.069841] RIP: 0033:0x7fc4f0274f33 [ 70.073832] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.094820] RSP: 002b:00007ffd6495eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.103279] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc4f0274f33 [ 70.111274] RDX: 0000000000000020 RSI: 00007fc4f0165000 RDI: 0000000000000001 [ 70.119259] RBP: 00007fc4f0165000 R08: 00007fc4f0164010 R09: 0000000000000000 c cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 [ 70.127234] R10: 00007fc4f036f1c0 R11: 0000000000000246 R12: 0000000000000001 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 59.623832] RSP: 0018:[ 70.141422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffb4908147fe60 EFLAGS: 00010282 # [ 59.629667] RAX: fffffff[ 70.155613] irq event stamp: 0 [ 70.165261] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.172266] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.181405] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.190544] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.197544] ---[ end trace 79aae51a6a3776d9 ]--- [ 70.202690] lkdtm: Saturation detected: still saturated f8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.637636] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 59.645604] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 59.653572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.661541] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 59.669509] FS: 00007fc722111580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 59.678547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.684961] CR2: 0000000000000000 CR3: 0000000104fcc005 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 59.799312] lkdtm: Performing direct entry WRITE_RO # [ 59.810275] lkdtm: attempting bad rodata write at ffffffff8e0d9ef0 # [ 59.817221] BUG: unable to handle page fault for address: ffffffff8e0d9ef0 # [ 59.824912] #PF: supervisor write access in kernel mode # [ 59.830747] #PF: error_code(0x0003) - permissions violation # [ 59.843179] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 8000000011a000e1 # [ 59.850665] Oops: 0003 [#14] SMP PTI # [ 59.854653] CPU: 3 PID: 1942 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 59.863206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.870013] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.874971] Code: 00 48 c7 c7 90 10 4c 8e 48 c7 c6 f0 9e 0d 8e e8 93 9f fd ff 48 8b 05 10 11 5e 00 ba 34 12 cd ab 48 c7 c7 c0 10 4c 8e 48 31 d0 <48> 89 05 fa 10 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 21 35 # [ 59.895956] RSP: 0018:ffffb49082827e60 EFLAGS: 00010202 # [ 59.901790] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.909758] RDX: 00000000abcd1234 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c10c0 # [ 59.917728] RBP: ffffffff8e4c02ad R08: 0000000000000000 R09: 0000000000000000 # [ 59.925697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.933666] R13: ffffb49082827f10 R14: ffffb49082827f10 R15: ffff94bc440e1000 # [ 59.941636] FS: 00007f9fd4134580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 59.950674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.957088] CR2: ffffffff8e0d9ef0 CR3: 0000000103edc005 CR4: 00000000003706e0 # [ 59.965057] Call Trace: # [ 59.967783] direct_entry.cold+0x2c/0x38 # [ 59.972155] full_proxy_write+0x56/0x80 # [ 59.976436] vfs_write+0xea/0x390 # [ 59.980133] ksys_write+0x68/0xe0 # [ 59.983829] do_syscall_64+0x33/0x40 # [ 59.987817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.993456] RIP: 0033:0x7f9fd405cf33 # [ 59.997444] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.018428] RSP: 002b:00007ffdecaecc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.026882] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9fd405cf33 # [ 60.034850] RDX: 0000000000000009 RSI: 00007f9fd3f4d000 RDI: 0000000000000001 # [ 60.042819] RBP: 00007f9fd3f4d000 R08: 00007f9fd3f4c010 R09: 0000000000000000 # [ 60.050788] R10: 00007f9fd41571c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.058758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.066729] Modules linked in: fuse ip_tables cros_ec_se[ 70.553863] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 70.565573] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 70.573113] ------------[ cut here ]------------ nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b[ 70.578282] refcount_t: underflow; use-after-free. [ 70.589868] WARNING: CPU: 2 PID: 2548 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 uf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar c[ 70.599214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.631849] CPU: 2 PID: 2548 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 70.640407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.647215] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 70.652958] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 [ 70.673947] RSP: 0018:ffffb49083157e40 EFLAGS: 00010286 [ 70.679784] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 70.687760] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 [ 70.695734] RBP: ffffffff8e4bffe8 R08: 0000000000000000 R09: 0000000000000000 [ 70.703709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.711682] R13: ffffb49083157f10 R14: ffffb49083157f10 R15: ffff94bc43f22000 [ 70.719656] FS: 00007febfe555580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 [ 70.728699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.735121] CR2: 00007febfe36e000 CR3: 0000000104fe6001 CR4: 00000000003706e0 [ 70.743095] Call Trace: [ 70.745829] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 70.751990] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 70.758318] direct_entry.cold+0x2c/0x38 [ 70.762730] full_proxy_write+0x56/0x80 [ 70.767019] vfs_write+0xea/0x390 [ 70.770749] ksys_write+0x68/0xe0 [ 70.774452] do_syscall_64+0x33/0x40 [ 70.778475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.784120] RIP: 0033:0x7febfe47df33 [ 70.788112] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.809101] RSP: 002b:00007ffee28ecc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.817584] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007febfe47df33 [ 70.825559] RDX: 0000000000000020 RSI: 00007febfe36e000 RDI: 0000000000000001 [ 70.833532] RBP: 00007febfe36e000 R08: 00007febfe36d010 R09: 0000000000000000 ros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_de[ 70.841507] R10: 00007febfe5781c0 R11: 0000000000000246 R12: 0000000000000001 v cros_usbpd_notify # [ 60.093187] CR2: ffffffff8e0d9ef0 # [[ 70.855691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 60.103099] ---[ end trace 79aae51a6a3776c8 ]--- # [ 60.108[ 70.869884] irq event stamp: 0 [ 70.879506] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.886510] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.895648] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.904786] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.911788] ---[ end trace 79aae51a6a3776da ]--- [ 70.916944] lkdtm: Saturation detected: still saturated 259] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.112635] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 60.133619] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 60.139452] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.147421] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 60.155390] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 60.163360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.171329] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 60.179305] FS: 00007f9fd4134580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 60.188342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 71.009639] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 71.017507] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 71.025002] ------------[ cut here ]------------ [ 71.030160] refcount_t: underflow; use-after-free. [ 71.035524] WARNING: CPU: 2 PID: 2583 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 71.044863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.194758] CR2: ffffffff8e0d9ef0 CR3: 0000000103edc005 C[ 71.071324] CPU: 2 PID: 2583 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 71.086090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.092897] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 71.098635] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 [ 71.119622] RSP: 0018:ffffb490831efe40 EFLAGS: 00010286 [ 71.125459] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 R4: 00000000003706e0 # [ 60.202727] BUG: sleeping function ca[ 71.133433] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 lled from invalid context at include/linux/percpu-rwsem.h:49 # [ 71.147622] RBP: ffffffff8e4c0008 R08: 0000000000000000 R09: 0000000000000000 [ 71.161813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 71.169785] R13: ffffb490831eff10 R14: ffffb490831eff10 R15: ffff94bc440ac000 [ 71.177757] FS: 00007fa72308b580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 [ 71.186797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.193245] CR2: 00007fa722ea4000 CR3: 0000000103246006 CR4: 00000000003706e0 [ 60.212639] in_atomic(): 0, irqs_disabled(): 1, non_block: 0,[ 71.201224] Call Trace: [ 71.210166] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 71.216316] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 71.222640] direct_entry.cold+0x2c/0x38 [ 71.227020] full_proxy_write+0x56/0x80 [ 71.231312] vfs_write+0xea/0x390 [ 71.235010] ksys_write+0x68/0xe0 [ 71.238710] do_syscall_64+0x33/0x40 [ 71.242701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.248344] RIP: 0033:0x7fa722fb3f33 [ 71.252335] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.273322] RSP: 002b:00007fff5a98c248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.281780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa722fb3f33 [ 71.289751] RDX: 0000000000000020 RSI: 00007fa722ea4000 RDI: 0000000000000001 [ 71.297714] RBP: 00007fa722ea4000 R08: 00007fa722ea3010 R09: 0000000000000000 [ 71.305686] R10: 00007fa7230ae1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.313658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.321633] irq event stamp: 0 [ 71.325040] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.332043] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 71.341182] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 71.350320] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.357321] ---[ end trace 79aae51a6a3776db ]--- [ 71.362476] lkdtm: Saturation detected: still saturated pid: 1942, name: cat # [ 60.221094] INFO: lockdep is turned off. # [ 60.225468] irq event stamp: 0 # [ 60.228873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.235873] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.245009] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.254135] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.261134] CPU: 3 PID: 1942 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 60.269684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.276487] Call Trace: # [ 60.279214] dump_stack+0x77/0x97 # [ 60.282911] ___might_sleep.cold+0xa6/0xb6 # [ 60.287482] exit_signals+0x1c/0x2d0 # [ 60.291471] do_exit+0xd5/0xb00 # [ 60.294974] ? ksys_write+0x68/0xe0 # [ 60.298866] rewind_stack_do_exit+0x17/0x20 # [ 60.303535] RIP: 0033:0x7f9fd405cf33 # [ 60.307523] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.328508] RSP: 002b:00007ffdecaecc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.336964] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9fd405cf33 # [ 60.344932] RDX: 0000000000000009 RSI: 00007f9fd3f4d000 RDI: 0000000000000001 # [ 60.352902] RBP: 00007f9fd3f4d000 R08: 00007f9fd3f4c010 R09: 0000000000000000 # [ 60.360870] R10: 00007f9fd41571c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.368839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 60.467505] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 60.476594] lkdtm: attempting bad ro_after_init write at ffffffff8e53c328 # [ 60.484192] BUG: unable to handle page fault for address: ffffffff8e53c328 # [ 60.491878] #PF: supervisor write access in kernel mode # [ 60.497714] #PF: error_code(0x0003) - permissions violation # [ 60.503928] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 104b31063 PTE 8000000011f3c061 # [ 60.518897] Oops: 0003 [#15] SMP PTI # [ 60.522887] CPU: 3 PID: 1977 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 60.531440] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.538260] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.544290] Code: 10 4c 8e e9 45 9f fd ff 48 c7 c7 18 11 4c 8e e8 39 9f fd ff 48 8b 05 ee 34 a4 00 ba 34 12 cd ab 48 c7 c7 c0 10 4c 8e 48 31 d0 <48> 89 05 d8 34 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 60.571490] RSP: 0018:ffffb49082897e60 EFLAGS: 00010202 # [ 60.577315] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 60.585286] RDX: 00000000abcd1234 RSI: ffff94bcbad9bf70 RDI: ffffffff8e4c10c0 # [ 60.593290] RBP: ffffffff8e4c02b6 R08: 0000000000000000 R09: 0000000000000000 # [ 60.601260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 60.609228] R13: ffffb49082897f10 R14: ffffb49082897f10 R15: ffff94bc455b3000 # [ 60.617222] FS: 00007efec9f9e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 60.626260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.632676] CR2: ffffffff8e53c328 CR3: 0000000104e58001 CR4: 00000000003706e0 # [ 60.640647] Call Trace: # [ 60.643374] direct_entry.cold+0x2c/0x38 # [ 60.647753] full_proxy_write+0x56/0x80 # [ 60.652035] vfs_write+0xea/0x390 # [ 60.655733] ksys_write+0x68/0xe0 # [ 60.659430] do_syscall_64+0x33/0x40 # [ 60.663410] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.669050] RIP: 0033:0x7efec9ec6f33 # [ 60.673037] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.694021] RSP: 002b:00007ffca85232a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.702478] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007efec9ec6f33 # [ 60.710448] RDX: 0000000000000014 RSI: 00007efec9db7000 RDI: 0000000000000001 # [ 60.718417] RBP: 00007efec9db7000 R08: 00007efec9db6010 R09: 0000000000000000 # [ 60.726388] R10: 00007efec9fc11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.734358] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.742330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.768794] CR2: ffffffff8e53c328 # [ 60.772491] ---[ end trace 79aae51a6a3776c9 ]--- # [ 60.777647] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.782024] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 60.803009] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 60.808841] RAX: ffffffff8d4b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.816809] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0d9a70 # [ 60.824777] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 60.832747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.840717] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 60.848687] FS: 00007efec9f9e580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 60.857725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.864139] CR2: ffffffff8e53c328 CR3: 0000000104e58001 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 60.960102] lkdtm: Performing direct entry WRITE_KERN # [ 60.971012] lkdtm: attempting bad 6580762 byte write at ffffffff8daf8d5a # [ 60.984738] BUG: unable to handle page fault for address: ffffffff8daf8d5a # [ 60.998610] #PF: supervisor write access in kernel mode # [ 61.004435] #PF: error_code(0x0003) - permissions violation # [ 61.010658] PGD 12029067 P4D 12029067 PUD 1202a063 PMD 114000e1 # [ 61.017370] Oops: 0003 [#16] SMP PTI # [ 61.027572] CPU: 1 PID: 2012 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 61.036124] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.042932] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 72.034888] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 61.048086] Code: 53 48 c7 c3 5a 8d af 8d 49 89 dc 48 89 da[ 72.043429] lkdtm: attempting good copy_to_user of correct size 49 81 ec 40 23 4b 8d 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 [ 72.056278] lkdtm: attempting bad copy_to_user of too large size 48 c7 c6 40 23 4b 8d a4 48 c7 c7 c0 10 4c 8e e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 61.075285] RSP: 0018:ffffb4908293fe50 EFLAGS: 00010246 # [ 61.081141] RAX: 000000000000003c RBX: ffffffff8daf8d5a RCX: 0000000000646a1a # [ 61.095326] RDX: 0000000000000000 RSI: ffffffff8d4b2340 RDI: ffffffff8daf8d5a # [ 61.103306] RBP: ffffffff8e4c02ca R08: 0000000000000000 R09: 0000000000000000 # [ 61.111266] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000646a1a # [ 61.119258] R13: ffffb4908293ff10 R14: ffffb4908293ff10 R15: ffff94bc440de000 # [ 61.127227] FS: 00007fb25b0ab580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 61.136265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.142680] CR2: ffffffff8daf8d5a CR3: 000000010553a002 CR4: 00000000003706e0 # [ 61.1506[ 72.148264] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 72.156940] lkdtm: attempting good copy_from_user of correct size [ 72.163790] lkdtm: attempting bad copy_from_user of too large size 50] Call Trace: # [ 61.153379] direct_entry.cold+0x2c/0x38 # [ 61.157760] full_proxy_write+0x56/0x80 # [ 61.168261] vfs_write+0xea/0x390 # [ 61.171958] ksys_write+0x68/0xe0 # [ 61.175656] do_syscall_64+0x33/0x40 # [ 61.179638] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.185277] RIP: 0033:0x7fb25afd3f33 # [ 61.189266] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.210265] RSP: 002b:00007ffd66014838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.218720] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb25afd3f33 # [ 61.226691] RDX: 000000000000000b RSI: 00007fb25aec4000 RDI: 0000000000000001 # [ 61.234660] RBP:[ 72.248588] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 00007fb25aec4000 R08: 00007fb25aec3010 R09: 0000000000000000 #[ 72.258760] lkdtm: attempting good copy_to_user inside whitelist [ 61.242629] R10: 00007fb25b0ce1c0 R11: 0000000000000246 R12:[ 72.271680] lkdtm: attempting bad copy_to_user outside whitelist 0000000000000001 # [ 61.250599] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.258572] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.291216] CR2: ffffffff8daf8d5a # [ 61.294905] ---[ end trace 79aae51a6a3776ca ]--- # [ 61.300060] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.304437] Code: 56 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 15 70 02 # [ 61.325421] RSP: 0018:ffffb4908147fe60 EFLAGS: 00010282 # [ 61.331257] RAX: ffffffff8d4[ 72.360680] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM b1f70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.3392[ 72.372796] lkdtm: attempting good copy_from_user inside whitelist 26] RDX: 0000000000000000 RSI: ffff94bcbac9bf70 RDI: ffffffff8e0[ 72.385948] lkdtm: attempting bad copy_from_user outside whitelist d9a70 # [ 61.347195] RBP: ffffffff8e51b490 R08: 0000000000000001 R09: 0000000000000001 # [ 61.355166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.363136] R13: ffffb4908147ff10 R14: ffffb4908147ff10 R15: ffff94bc42872000 # [ 61.371105] FS: 00007fb25b0ab580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 61.380145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.386561] CR2: ffffffff8daf8d5a CR3: 000000010553a002 CR4: 00000000003706e0 # [ 61.394531] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 61.404445] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2012, name: cat # [ 61.412899] INFO: lockdep is turned off. # [ 61.417275] irq event stamp: 0 # [ 61.420680] hardirqs last enabled at (0): [[ 72.477145] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <0000000000000000>] 0x0 # [ 61.427681] hardirqs last disabled[ 72.486716] lkdtm: good_stack: ffffb49083597e20-ffffb49083597e40 at (0): [] copy_process+0x63c/0x1c80 # [ 6[ 72.499645] lkdtm: bad_stack : ffffb49083597da8-ffffb49083597dc8 1.436807] softirqs last enabled at (0): [] co[ 72.512609] lkdtm: attempting good copy_to_user of local stack [ 72.525320] lkdtm: attempting bad copy_to_user of distant stack py_process+0x63c/0x1c80 # [ 61.445942] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.452940] CPU: 1 PID: 2012 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 61.461491] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.468310] Call Trace: # [ 61.471037] dump_stack+0x77/0x97 # [ 61.474736] ___might_sleep.cold+0xa6/0xb6 # [ 61.479311] exit_signals+0x1c/0x2d0 # [ 61.483308] do_exit+0xd5/0xb00 # [ 61.486811] ? ksys_write+0x68/0xe0 # [ 61.490694] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 61.496132] rewind_stack_do_exit+0x17/0x20 # [ 61.500791] RIP: 0033:0x7fb25afd3f33 # [ 61.504779] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 72.610285] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.525764] RSP: 00[ 72.619903] lkdtm: good_stack: ffffb4908360fe20-ffffb4908360fe40 2b:00007ffd66014838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[ 72.632856] lkdtm: bad_stack : ffffb4908360fda8-ffffb4908360fdc8 # [ 61.534220] RAX: ffffffffffffffda RBX: 000000000000000b RC[ 72.645801] lkdtm: attempting good copy_from_user of local stack X: 00007fb25afd3f33 # [ 61.542191] RDX: 000000000000000b RSI:[ 72.658702] lkdtm: attempting bad copy_from_user of distant stack 00007fb25aec4000 RDI: 0000000000000001 # [ 61.550159] RBP: 00007fb25aec4000 R08: 00007fb25aec3010 R09: 0000000000000000 # [ 61.558127] R10: 00007fb25b0ce1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.566097] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.676395] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.686451] lkdtm: attempting good refcount_inc() without overflow # [ 61.699573] lkdtm: attempting bad refcount_inc() overflow # [ 61.711815] ------------[ cut here ]------------ # [ 61.723184] refcount_t: saturated; leaking memory. # [ 61.734783] WARNING: CPU: 1 PID: 2047 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 61.750313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cro[ 72.769217] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.777910] lkdtm: good_stack: ffffb4908365fe20-ffffb4908365fe40 s_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev [ 72.784631] lkdtm: bad_stack : ffffb4908365fff8-ffffb49083660018 cros_usbpd_notify # [ 61.782957] CPU: 1 PID: 2047 Comm: cat T[ 72.797567] lkdtm: attempting good copy_to_user of local stack [ 72.810303] lkdtm: attempting bad copy_to_user of distant stack [ 72.816951] lkdtm: copy_to_user failed, but lacked Oops ainted: G D W 5.10.126-cip9 #1 # [ 61.797731] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.810755] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 61.822713] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a # [ 61.849915] RSP: 0018:ffffb490829d7e48 EFLAGS: 00010286 # [ 61.861973] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.876159] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 # [ 61.890350] RBP: ffffffff8e4c02d5 R08: 0000000000000000 R09: 0000000000000000 # [ 61.904540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.918733] R13: ffffb490829d7f10[ 72.901607] lkdtm: Performing direct entry USERCOPY_KERNEL R14: ffffb490829d7f10 R15: ffff94bc44095000 # [ 61.932925] F[ 72.909798] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8e0d9f10 S: 00007fcb259f5580(0000) GS:ffff94bcbac80000(0000) knlGS:00000[ 72.924674] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8ced1460 00000000000 # [ 61.948189] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 72.939225] lkdtm: FAIL: survived bad copy_to_user() 000000080050033 # [ 61.960823] CR2: 00007fcb2580e000 CR3: 00000001013ec001 CR4: 00000000003706e0 # [ 61.975008] Call Trace: # [ 61.983959] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 61.995525] direct_entry.cold+0x2c/0x38 # [ 62.006124] full_proxy_write+0x56/0x80 # [ 62.016623] vfs_write+0xea/0x390 # [ 62.026538] ksys_write+0x68/0xe0 # [ 62.036453] do_syscall_64+0x33/0x40 # [ 62.046662] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.058521] RIP: 0033:0x7fcb2591df33 # [ 62.068729] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.095934] RSP: 002b:00007ffe406ed9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.110611] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcb2591df33[ 73.033091] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 62.124800] RDX: 0000000000000016 RSI: 00007fcb2580e000 R[ 73.044314] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 73.058416] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) DI: 0000000000000001 # [ 62.138989] RBP: 00007fcb2580e000 R08[ 73.066209] lkdtm: FAIL: the thread stack is NOT properly erased [ 73.079145] CPU: 3 PID: 2948 Comm: cat Tainted: G D W 5.10.126-cip9 #1 [ 73.087721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 73.094527] Call Trace: [ 73.097267] dump_stack+0x77/0x97 [ 73.100968] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 73.106123] direct_entry.cold+0x2c/0x38 [ 73.110494] full_proxy_write+0x56/0x80 [ 73.114775] vfs_write+0xea/0x390 [ 73.118472] ksys_write+0x68/0xe0 [ 73.122169] do_syscall_64+0x33/0x40 [ 73.126159] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.131791] RIP: 0033:0x7f0dc0ba2f33 [ 73.135779] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.156765] RSP: 002b:00007ffd1508eab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.165222] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0dc0ba2f33 [ 73.173182] RDX: 0000000000000012 RSI: 00007f0dc0a93000 RDI: 0000000000000001 [ 73.181151] RBP: 00007f0dc0a93000 R08: 00007f0dc0a92010 R09: 0000000000000000 [ 73.189120] R10: 00007f0dc0c9d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.197090] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007fcb2580d010 R09: 0000000000000000 # [ 62.153178] R10: 00007fcb25a181c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.167367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.181562] irq event stamp: 0 # [ 62.191181] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.204402] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.219757] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.228897] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.242110] ---[ end trace 79aae51a6a3776cb ]--- # [ 62.247268] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 62.322945] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.333642] lkdtm: attempting good refcount_[ 73.294198] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 73.304656] lkdtm: Calling matched prototype ... [ 73.309832] lkdtm: Calling mismatched prototype ... add() without overflow # [ 62.340589] lkdtm: attempting bad r[ 73.315301] lkdtm: Fail: survived mismatched prototype function call! efcount_add() overflow # [ 62.346651] ------------[ cut here ]------------ # [ 62.351827] refcount_t: saturated; leaking memory. # [ 62.357205] WARNING: CPU: 2 PID: 2079 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 62.366544] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.393000] CPU: 2 PID: 2079 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 62.401585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.408399] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 62.414168] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a # [ 62.435157] RSP: 0018:ffffb49082a27e48 EFLAGS: 00010286 # [ 62.440996] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.448971] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 # [ 62.463161] RBP: ffffffff8e4c02eb R08: 0000000000000000 R09: 0000000000000000 # [ 62.477346] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.485319] R13: ffffb49082a27f10 R14: ffffb49082a27f10 R15: ffff94bc43e32000 # [ 62.493305] FS: 00007fee88168580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 # [ 62.502342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.508787] CR2: 00007fee87f81000 CR3: 0000000103148006 CR4: 00000000003706e0 # [ 62.522966] Call Trace: # [ 62.525688] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 62.531063] direct_entry.cold+0x2c/0x38 # [ 62.535445] full_proxy_write+0x56/0x80 # [ 62.539728] vfs_write+0xea/0x390 # [ 62.543428] ksys_write+0x68/0xe0 # [ 62.547126] do_syscall_64+0x33/0x40 # [ 62.551116] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.556759] RIP: 0033:0x7fee88090f33 # [ 62.560749] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.581734] RSP: 002b:00007ffe45c347e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.590192] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fee88090f33 # [ 62.598162] RDX: 0000000000000016 RSI: 00007fee87f81000 RDI: 0000000000000001 # [ 62.606133] RBP: 00007fee87f81000 R08: 00007fee87f80010 R09: 0000000000000000 # [ 62.614103] R10: 00007fee8818b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.622074] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.630047] irq event stamp: 0 # [ 62.633452] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.640446] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.649584] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.658720] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.665710] ---[ end trace 79aae51a6a3776cc ]--- # [ 62.670856] 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 # [ 62.746427] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.758111] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.765015] ------------[ cut here ]------------ # [ 62.770177] refcount_t: saturated; leaking memory. # [ 62.781753] WARNING: CPU: 2 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 62.797310] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.823773] CPU: 2 PID: 2111 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 62.838560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.845383] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 62.857329] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb # [ 62.878315] RSP: 0018:ffffb49082ac7e38 EFLAGS: 00010282 # [ 62.884151] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.892123] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 # [ 62.900095] RBP: ffffffff8e4bff28 R08: 0000000000000000 R09: 0000000000000000 # [ 62.908069] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.916042] R13: ffffb49082ac7f10 R14: ffffb49082ac7f10 R15: ffff94bc428d7000 # [ 62.924016] FS: 00007fbe9fccc580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 # [ 62.933058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.939477] CR2: 00007fbe9fae5000 CR3: 0000000105584003 CR4: 00000000003706e0 # [ 62.947448] Call Trace: # [ 62.950180] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 62.956341] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 62.962590] direct_entry.cold+0x2c/0x38 # [ 62.966974] full_proxy_write+0x56/0x80 # [ 62.971264] vfs_write+0xea/0x390 # [ 62.981177] ksys_write+0x68/0xe0 # [ 62.984879] do_syscall_64+0x33/0x40 # [ 62.988872] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.994516] RIP: 0033:0x7fbe9fbf4f33 # [ 62.998507] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.019493] RSP: 002b:00007ffd47c82718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.027952] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe9fbf4f33 # [ 63.035924] RDX: 000000000000001f RSI: 00007fbe9fae5000 RDI: 0000000000000001 # [ 63.043894] RBP: 00007fbe9fae5000 R08: 00007fbe9fae4010 R09: 0000000000000000 # [ 63.051865] R10: 00007fbe9fcef1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.059839] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.074030] irq event stamp: 0 # [ 63.083652] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.090655] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.099818] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.108956] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.115955] ---[ end trace 79aae51a6a3776cd ]--- # [ 63.121112] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 63.198275] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.208388] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.221506] ------------[ cut here ]------------ # [ 63.232873] refcount_t: saturated; leaking memory. # [ 63.244471] WARNING: CPU: 1 PID: 2143 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 63.259992] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.292637] CPU: 1 PID: 2143 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 63.307407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.320435] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 63.332394] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb # [ 63.359601] RSP: 0018:ffffb49082b5fe38 EFLAGS: 00010282 # [ 63.371653] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.385842] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 # [ 63.400047] RBP: ffffffff8e4bff48 R08: 0000000000000000 R09: 0000000000000000 # [ 63.414230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.428419] R13: ffffb49082b5ff10 R14: ffffb49082b5ff10 R15: ffff94bc43293000 # [ 63.442607] FS: 00007feefe275580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 63.457867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.470505] CR2: 00007feefe08e000 CR3: 0000000103296004 CR4: 00000000003706e0 # [ 63.484697] Call Trace: # [ 63.493648] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 63.505993] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 63.518433] direct_entry.cold+0x2c/0x38 # [ 63.529033] full_proxy_write+0x56/0x80 # [ 63.539533] vfs_write+0xea/0x390 # [ 63.549449] ksys_write+0x68/0xe0 # [ 63.559366] do_syscall_64+0x33/0x40 # [ 63.569575] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.581438] RIP: 0033:0x7feefe19df33 # [ 63.591645] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.618850] RSP: 002b:00007ffcdf7425e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.633527] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feefe19df33 # [ 63.647719] RDX: 000000000000001f RSI: 00007feefe08e000 RDI: 0000000000000001 # [ 63.661908] RBP: 00007feefe08e000 R08: 00007feefe08d010 R09: 0000000000000000 # [ 63.676098] R10: 00007feefe2981c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.690289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.704482] irq event stamp: 0 # [ 63.714105] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.727327] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.742681] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.758036] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.771261] ---[ end trace 79aae51a6a3776ce ]--- # [ 63.782636] 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 # [ 63.864357] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.874810] lkdtm: attempting good refcount_dec() # [ 63.880066] lkdtm: attempting bad refcount_dec() to zero # [ 63.886034] ------------[ cut here ]------------ # [ 63.891219] refcount_t: decrement hit 0; leaking memory. # [ 63.897170] WARNING: CPU: 2 PID: 2175 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 63.912704] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.939170] CPU: 2 PID: 2175 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 63.947749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.954579] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 63.960329] Code: ff 48 c7 c7 f0 bd 45 8e c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 45 8e c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 63.987523] RSP: 0018:ffffb49082bcfe48 EFLAGS: 00010286 # [ 63.993358] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 64.001330] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 # [ 64.009316] RBP: ffffffff8e4c0301 R08: 0000000000000000 R09: 0000000000000000 # [ 64.017288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.025280] R13: ffffb49082bcff10 R14: ffffb49082bcff10 R15: ffff94bc43313000 # [ 64.033260] FS: 00007f5e6dc62580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 # [ 64.048516] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.054935] CR2: 00007f5e6da7b000 CR3: 0000000104fe6002 CR4: 00000000003706e0 # [ 64.062906] Call Trace: # [ 64.065637] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 64.070624] direct_entry.cold+0x2c/0x38 # [ 64.075004] full_proxy_write+0x56/0x80 # [ 64.079286] vfs_write+0xea/0x390 # [ 64.082985] ksys_write+0x68/0xe0 # [ 64.086685] do_syscall_64+0x33/0x40 # [ 64.090676] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.096318] RIP: 0033:0x7f5e6db8af33 # [ 64.100309] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.121293] RSP: 002b:00007fff5ee4ef88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.129751] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5e6db8af33 # [ 64.137722] RDX: 0000000000000012 RSI: 00007f5e6da7b000 RDI: 0000000000000001 # [ 64.145692] RBP: 00007f5e6da7b000 R08: 00007f5e6da7a010 R09: 0000000000000000 # [ 64.153654] R10: 00007f5e6dc851c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.161625] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.169593] irq event stamp: 0 # [ 64.179216] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.186220] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.201568] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.210704] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.217695] ---[ end trace 79aae51a6a3776cf ]--- # [ 64.222849] 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 # [ 64.314302] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.321315] lkdtm: attempting bad refcount_dec() below zero # [ 64.333759] ------------[ cut here ]------------ # [ 64.345127] refcount_t: decrement hit 0; leaking memory. # [ 64.351090] WARNING: CPU: 1 PID: 2210 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 64.366606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.399264] CPU: 1 PID: 2210 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 64.414033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.420843] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 64.432793] Code: ff 48 c7 c7 f0 bd 45 8e c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 45 8e c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 64.459999] RSP: 0018:ffffb49082c4fe48 EFLAGS: 00010286 # [ 64.472052] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.486263] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 # [ 64.500452] RBP: ffffffff8e4c0313 R08: 0000000000000000 R09: 0000000000000000 # [ 64.508450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.522614] R13: ffffb49082c4ff10 R14: ffffb49082c4ff10 R15: ffff94bc4339d000 # [ 64.536804] FS: 00007fb2c0e5e580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 64.545847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.558478] CR2: 00007fb2c0c77000 CR3: 0000000103724005 CR4: 00000000003706e0 # [ 64.566450] Call Trace: # [ 64.575394] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 64.586962] direct_entry.cold+0x2c/0x38 # [ 64.597561] full_proxy_write+0x56/0x80 # [ 64.608061] vfs_write+0xea/0x390 # [ 64.618003] ksys_write+0x68/0xe0 # [ 64.627920] do_syscall_64+0x33/0x40 # [ 64.638129] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.649990] RIP: 0033:0x7fb2c0d86f33 # [ 64.660199] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.687406] RSP: 002b:00007ffd457c2e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.702080] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb2c0d86f33 # [ 64.716270] RDX: 0000000000000016 RSI: 00007fb2c0c77000 RDI: 0000000000000001 # [ 64.724245] RBP: 00007fb2c0c77000 R08: 00007fb2c0c76010 R09: 0000000000000000 # [ 64.738432] R10: 00007fb2c0e811c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.752620] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.766814] irq event stamp: 0 # [ 64.776437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.789657] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.805010] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.820365] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.833584] ---[ end trace 79aae51a6a3776d0 ]--- # [ 64.844955] 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 # [ 64.928891] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.938448] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.951784] ------------[ cut here ]------------ # [ 64.963175] refcount_t: underflow; use-after-free. # [ 64.974790] WARNING: CPU: 0 PID: 2245 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 64.990291] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.022928] CPU: 0 PID: 2245 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 65.037733] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.050736] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 65.062720] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 # [ 65.089904] RSP: 0018:ffffb49082cdfe40 EFLAGS: 00010286 # [ 65.101991] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 65.116138] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 65.130375] RBP: ffffffff8e4bff68 R08: 0000000000000000 R09: 0000000000000000 # [ 65.144527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.158720] R13: ffffb49082cdff10 R14: ffffb49082cdff10 R15: ffff94bc44b37000 # [ 65.172909] FS: 00007f0c60467580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 65.188178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.200811] CR2: 00007f0c60280000 CR3: 00000001030e6004 CR4: 00000000003706f0 # [ 65.215003] Call Trace: # [ 65.223952] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 65.236303] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 65.248742] direct_entry.cold+0x2c/0x38 # [ 65.259337] full_proxy_write+0x56/0x80 # [ 65.269828] vfs_write+0xea/0x390 # [ 65.279756] ksys_write+0x68/0xe0 # [ 65.289668] do_syscall_64+0x33/0x40 # [ 65.299897] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.311745] RIP: 0033:0x7f0c6038ff33 # [ 65.321986] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.349171] RSP: 002b:00007fff096976f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.363871] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0c6038ff33 # [ 65.378035] RDX: 000000000000001f RSI: 00007f0c60280000 RDI: 0000000000000001 # [ 65.392226] RBP: 00007f0c60280000 R08: 00007f0c6027f010 R09: 0000000000000000 # [ 65.406409] R10: 00007f0c6048a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.420601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.434796] irq event stamp: 0 # [ 65.444424] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.457638] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.472999] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.488351] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.501581] ---[ end trace 79aae51a6a3776d1 ]--- # [ 65.512949] 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 # [ 65.599673] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.612600] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.619719] ------------[ cut here ]------------ # [ 65.624890] refcount_t: underflow; use-after-free. # [ 65.630264] WARNING: CPU: 3 PID: 2280 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 65.639602] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.672264] CPU: 3 PID: 2280 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 65.687029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.700054] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 65.712013] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 # [ 65.733033] RSP: 0018:ffffb49082d5fe40 EFLAGS: 00010286 # [ 65.738874] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.746847] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 # [ 65.754820] RBP: ffffffff8e4bff88 R08: 0000000000000000 R09: 0000000000000000 # [ 65.762795] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.770769] R13: ffffb49082d5ff10 R14: ffffb49082d5ff10 R15: ffff94bc437c9000 # [ 65.778743] FS: 00007feb964ff580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 65.787785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.794204] CR2: 00007feb96318000 CR3: 0000000104056002 CR4: 00000000003706e0 # [ 65.802180] Call Trace: # [ 65.804915] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 65.811072] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 65.823505] direct_entry.cold+0x2c/0x38 # [ 65.827890] full_proxy_write+0x56/0x80 # [ 65.832179] vfs_write+0xea/0x390 # [ 65.835881] ksys_write+0x68/0xe0 # [ 65.839583] do_syscall_64+0x33/0x40 # [ 65.843577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.849220] RIP: 0033:0x7feb96427f33 # [ 65.853213] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.874203] RSP: 002b:00007ffc4b1732c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.882663] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007feb96427f33 # [ 65.890636] RDX: 000000000000001f RSI: 00007feb96318000 RDI: 0000000000000001 # [ 65.898612] RBP: 00007feb96318000 R08: 00007feb96317010 R09: 0000000000000000 # [ 65.906585] R10: 00007feb965221c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.914558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.922535] irq event stamp: 0 # [ 65.925965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.932970] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.942143] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.951282] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.958300] ---[ end trace 79aae51a6a3776d2 ]--- # [ 65.963488] 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 # [ 66.071382] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 66.080553] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 66.087654] lkdtm: Good: zero detected # [ 66.091840] lkdtm: Correctly stayed at zero # [ 66.096510] lkdtm: attempting bad refcount_inc() from zero # [ 66.102636] ------------[ cut here ]------------ # [ 66.107793] refcount_t: addition on 0; use-after-free. # [ 66.113562] WARNING: CPU: 3 PID: 2312 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 66.122898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.155538] CPU: 3 PID: 2312 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 66.164095] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.170903] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 66.176643] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d # [ 66.197631] RSP: 0018:ffffb49082dd7e48 EFLAGS: 00010286 # [ 66.203467] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.211439] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 # [ 66.219402] RBP: ffffffff8e4c0329 R08: 0000000000000000 R09: 0000000000000000 # [ 66.227375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.235348] R13: ffffb49082dd7f10 R14: ffffb49082dd7f10 R15: ffff94bc45792000 # [ 66.243321] FS: 00007ff2d7f88580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 66.252362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.258781] CR2: 00007ff2d7da1000 CR3: 00000001031d8001 CR4: 00000000003706e0 # [ 66.266755] Call Trace: # [ 66.269484] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 66.274472] direct_entry.cold+0x2c/0x38 # [ 66.278853] full_proxy_write+0x56/0x80 # [ 66.283137] vfs_write+0xea/0x390 # [ 66.286837] ksys_write+0x68/0xe0 # [ 66.290538] do_syscall_64+0x33/0x40 # [ 66.294530] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.300172] RIP: 0033:0x7ff2d7eb0f33 # [ 66.304162] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.325150] RSP: 002b:00007ffe731cedc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.333608] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff2d7eb0f33 # [ 66.341579] RDX: 0000000000000012 RSI: 00007ff2d7da1000 RDI: 0000000000000001 # [ 66.349556] RBP: 00007ff2d7da1000 R08: 00007ff2d7da0010 R09: 0000000000000000 # [ 66.363742] R10: 00007ff2d7fab1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.371718] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.385904] irq event stamp: 0 # [ 66.389344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.396347] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.405509] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.414662] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.421662] ---[ end trace 79aae51a6a3776d3 ]--- # [ 66.426817] 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 # [ 66.502985] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.512417] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.519526] lkdtm: Good: zero detected # [ 66.523713] lkdtm: Correctly stayed at zero # [ 66.528384] lkdtm: attempting bad refcount_add() from zero # [ 66.534510] ------------[ cut here ]------------ # [ 66.539656] refcount_t: addition on 0; use-after-free. # [ 66.545422] WARNING: CPU: 3 PID: 2344 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 66.554763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.587402] CPU: 3 PID: 2344 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 66.595956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.602763] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 66.608503] Code: 05 5a 1e 76 01 01 e8 33 1c 93 00 0f 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a 1e 76 01 01 e8 14 1c 93 00 <0f> 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d # [ 66.629491] RSP: 0018:ffffb49082e57e48 EFLAGS: 00010286 # [ 66.635329] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.649517] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 # [ 66.657492] RBP: ffffffff8e4c033b R08: 0000000000000000 R09: 0000000000000000 # [ 66.671677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.679647] R13: ffffb49082e57f10 R14: ffffb49082e57f10 R15: ffff94bc44b22000 # [ 66.687619] FS: 00007f1d017f1580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 66.696650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.703058] CR2: 00007f1d0160a000 CR3: 0000000103148002 CR4: 00000000003706e0 # [ 66.711029] Call Trace: # [ 66.713761] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 66.718747] direct_entry.cold+0x2c/0x38 # [ 66.723129] full_proxy_write+0x56/0x80 # [ 66.727410] vfs_write+0xea/0x390 # [ 66.731110] ksys_write+0x68/0xe0 # [ 66.734810] do_syscall_64+0x33/0x40 # [ 66.738802] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.744444] RIP: 0033:0x7f1d01719f33 # [ 66.748435] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.769421] RSP: 002b:00007ffe7d2dedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.777877] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1d01719f33 # [ 66.785848] RDX: 0000000000000012 RSI: 00007f1d0160a000 RDI: 0000000000000001 # [ 66.793818] RBP: 00007f1d0160a000 R08: 00007f1d01609010 R09: 0000000000000000 # [ 66.801789] R10: 00007f1d018141c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.809760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.817737] irq event stamp: 0 # [ 66.821142] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.828145] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.837283] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.846420] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.853421] ---[ end trace 79aae51a6a3776d4 ]--- # [ 66.858577] 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 # [ 66.937950] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.950959] lkdtm: attempting bad refcount_inc() from saturated # [ 66.963711] ------------[ cut here ]------------ # [ 66.975080] refcount_t: saturated; leaking memory. # [ 66.986715] WARNING: CPU: 0 PID: 2379 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 67.002231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.034887] CPU: 0 PID: 2379 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 67.049663] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.062667] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 67.074631] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a # [ 67.101815] RSP: 0018:ffffb49082ecfe48 EFLAGS: 00010286 # [ 67.113905] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.128060] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 67.142312] RBP: ffffffff8e4c034d R08: 0000000000000000 R09: 0000000000000000 # [ 67.156471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.170669] R13: ffffb49082ecff10 R14: ffffb49082ecff10 R15: ffff94bc4405d000 # [ 67.184850] FS: 00007fea89257580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 67.200123] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.212748] CR2: 00007fea89070000 CR3: 0000000104fc4006 CR4: 00000000003706f0 # [ 67.226955] Call Trace: # [ 67.235893] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 67.247578] direct_entry.cold+0x2c/0x38 # [ 67.258157] full_proxy_write+0x56/0x80 # [ 67.268698] vfs_write+0xea/0x390 # [ 67.278580] ksys_write+0x68/0xe0 # [ 67.288510] do_syscall_64+0x33/0x40 # [ 67.298701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.310612] RIP: 0033:0x7fea8917ff33 # [ 67.320786] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.348035] RSP: 002b:00007ffd95017958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.362657] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fea8917ff33 # [ 67.376822] RDX: 0000000000000017 RSI: 00007fea89070000 RDI: 0000000000000001 # [ 67.384800] RBP: 00007fea89070000 R08: 00007fea8906f010 R09: 0000000000000000 # [ 67.399038] R10: 00007fea8927a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.413185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.427383] irq event stamp: 0 # [ 67.437001] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.450207] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.465581] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.480918] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.494179] ---[ end trace 79aae51a6a3776d5 ]--- # [ 67.505537] 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 # [ 67.755913] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.764088] lkdtm: attempting bad refcount_dec() from saturated # [ 67.776924] ------------[ cut here ]------------ # [ 67.788300] refcount_t: decrement hit 0; leaking memory. # [ 67.800460] WARNING: CPU: 0 PID: 2414 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 67.816042] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.848668] CPU: 0 PID: 2414 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 67.863468] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.876478] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 67.888452] Code: ff 48 c7 c7 f0 bd 45 8e c6 05 d6 1d 76 01 01 e8 b3 1b 93 00 0f 0b c3 48 c7 c7 c0 bd 45 8e c6 05 c1 1d 76 01 01 e8 9d 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 67.915627] RSP: 0018:ffffb49082f2fe48 EFLAGS: 00010286 # [ 67.927701] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.941872] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 67.956077] RBP: ffffffff8e4c0364 R08: 0000000000000000 R09: 0000000000000000 # [ 67.970279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.984480] R13: ffffb49082f2ff10 R14: ffffb49082f2ff10 R15: ffff94bc4331b000 # [ 67.998657] FS: 00007fc358658580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 68.013940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.026562] CR2: 00007fc358471000 CR3: 00000001028d0005 CR4: 00000000003706f0 # [ 68.040762] Call Trace: # [ 68.049701] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 68.061412] direct_entry.cold+0x2c/0x38 # [ 68.072001] full_proxy_write+0x56/0x80 # [ 68.082521] vfs_write+0xea/0x390 # [ 68.092416] ksys_write+0x68/0xe0 # [ 68.102345] do_syscall_64+0x33/0x40 # [ 68.112562] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.124413] RIP: 0033:0x7fc358580f33 # [ 68.134668] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.161838] RSP: 002b:00007ffe8c30f4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.176522] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc358580f33 # [ 68.190716] RDX: 0000000000000017 RSI: 00007fc358471000 RDI: 0000000000000001 # [ 68.204903] RBP: 00007fc358471000 R08: 00007fc358470010 R09: 0000000000000000 # [ 68.219082] R10: 00007fc35867b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.233308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.247475] irq event stamp: 0 # [ 68.257109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.270335] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.285696] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.301046] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.314309] ---[ end trace 79aae51a6a3776d6 ]--- # [ 68.325653] 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 # [ 68.421576] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.431511] lkdtm: attempting bad refcount_dec() from saturated # [ 68.444342] ------------[ cut here ]------------ # [ 68.455712] refcount_t: saturated; leaking memory. # [ 68.461094] WARNING: CPU: 1 PID: 2449 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 68.476608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.509256] CPU: 1 PID: 2449 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 68.524027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.530838] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 68.536603] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 6a 1e 76 01 00 75 f2 48 c7 c7 40 bd 45 8e c6 05 5a 1e 76 01 01 e8 33 1c 93 00 <0f> 0b c3 80 3d 4a 1e 76 01 00 75 d3 48 c7 c7 68 bd 45 8e c6 05 3a # [ 68.563803] RSP: 0018:ffffb49082fdfe48 EFLAGS: 00010286 # [ 68.569641] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.583827] RDX: ffff94bcbacac660 RSI: ffff94bcbac9bf70 RDI: ffff94bcbac9bf70 # [ 68.591801] RBP: ffffffff8e4c037b R08: 0000000000000000 R09: 0000000000000000 # [ 68.605987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.613964] R13: ffffb49082fdff10 R14: ffffb49082fdff10 R15: ffff94bc45777000 # [ 68.628155] FS: 00007f272bccb580(0000) GS:ffff94bcbac80000(0000) knlGS:0000000000000000 # [ 68.643412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.649834] CR2: 00007f272bae4000 CR3: 00000001054da004 CR4: 00000000003706e0 # [ 68.664021] Call Trace: # [ 68.672968] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 68.684633] direct_entry.cold+0x2c/0x38 # [ 68.695259] full_proxy_write+0x56/0x80 # [ 68.705732] vfs_write+0xea/0x390 # [ 68.715644] ksys_write+0x68/0xe0 # [ 68.725560] do_syscall_64+0x33/0x40 # [ 68.735769] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.747626] RIP: 0033:0x7f272bbf3f33 # [ 68.757832] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.785036] RSP: 002b:00007ffe1496d838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.799712] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f272bbf3f33 # [ 68.813902] RDX: 0000000000000017 RSI: 00007f272bae4000 RDI: 0000000000000001 # [ 68.828092] RBP: 00007f272bae4000 R08: 00007f272bae3010 R09: 0000000000000000 # [ 68.842283] R10: 00007f272bcee1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.856472] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.870665] irq event stamp: 0 # [ 68.880302] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.893530] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.908882] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.924238] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.937454] ---[ end trace 79aae51a6a3776d7 ]--- # [ 68.948828] 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 # [ 69.131185] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 69.144813] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 69.158511] ------------[ cut here ]------------ # [ 69.169900] refcount_t: saturated; leaking memory. # [ 69.181476] WARNING: CPU: 0 PID: 2481 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 69.197005] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.229684] CPU: 0 PID: 2481 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 69.244443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.257486] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 69.269423] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb # [ 69.296644] RSP: 0018:ffffb4908305fe38 EFLAGS: 00010282 # [ 69.308673] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.322877] RDX: ffff94bcbac2c660 RSI: ffff94bcbac1bf70 RDI: ffff94bcbac1bf70 # [ 69.337057] RBP: ffffffff8e4bffa8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.351260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.365435] R13: ffffb4908305ff10 R14: ffffb4908305ff10 R15: ffff94bc44e42000 # [ 69.379644] FS: 00007f2686850580(0000) GS:ffff94bcbac00000(0000) knlGS:0000000000000000 # [ 69.394885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.407531] CR2: 00007f2686669000 CR3: 0000000104c16001 CR4: 00000000003706f0 # [ 69.421712] Call Trace: # [ 69.430668] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 69.443000] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 69.455555] direct_entry.cold+0x2c/0x38 # [ 69.466162] full_proxy_write+0x56/0x80 # [ 69.476683] vfs_write+0xea/0x390 # [ 69.486607] ksys_write+0x68/0xe0 # [ 69.496517] do_syscall_64+0x33/0x40 # [ 69.506723] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.518587] RIP: 0033:0x7f2686778f33 # [ 69.528782] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.556031] RSP: 002b:00007ffd42a2bf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.570724] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2686778f33 # [ 69.584919] RDX: 0000000000000020 RSI: 00007f2686669000 RDI: 0000000000000001 # [ 69.599068] RBP: 00007f2686669000 R08: 00007f2686668010 R09: 0000000000000000 # [ 69.613279] R10: 00007f26868731c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.627451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.641677] irq event stamp: 0 # [ 69.651285] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.664523] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.679881] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.695237] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.708417] ---[ end trace 79aae51a6a3776d8 ]--- # [ 69.713614] 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 # [ 69.835895] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.845171] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.852667] ------------[ cut here ]------------ # [ 69.857832] refcount_t: saturated; leaking memory. # [ 69.869427] WARNING: CPU: 3 PID: 2513 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 69.878766] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.911428] CPU: 3 PID: 2513 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 69.919995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.933013] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 69.938754] Code: 05 3a 1e 76 01 01 e8 14 1c 93 00 0f 0b c3 80 3d 2d 1e 76 01 00 75 b4 48 c7 c7 40 bd 45 8e c6 05 1d 1e 76 01 01 e8 f5 1b 93 00 <0f> 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb # [ 69.959742] RSP: 0018:ffffb490830f7e38 EFLAGS: 00010282 # [ 69.965577] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.973549] RDX: ffff94bcbadac660 RSI: ffff94bcbad9bf70 RDI: ffff94bcbad9bf70 # [ 69.981522] RBP: ffffffff8e4bffc8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.989494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.997467] R13: ffffb490830f7f10 R14: ffffb490830f7f10 R15: ffff94bc413ed000 # [ 70.005441] FS: 00007fc4f034c580(0000) GS:ffff94bcbad80000(0000) knlGS:0000000000000000 # [ 70.014483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.020903] CR2: 00007fc4f0165000 CR3: 0000000104e0e001 CR4: 00000000003706e0 # [ 70.028874] Call Trace: # [ 70.031607] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 70.037767] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 70.044112] direct_entry.cold+0x2c/0x38 # [ 70.048495] full_proxy_write+0x56/0x80 # [ 70.052802] vfs_write+0xea/0x390 # [ 70.056503] ksys_write+0x68/0xe0 # [ 70.060207] do_syscall_64+0x33/0x40 # [ 70.064199] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.069841] RIP: 0033:0x7fc4f0274f33 # [ 70.073832] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.094820] RSP: 002b:00007ffd6495eb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.103279] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc4f0274f33 # [ 70.111274] RDX: 0000000000000020 RSI: 00007fc4f0165000 RDI: 0000000000000001 # [ 70.119259] RBP: 00007fc4f0165000 R08: 00007fc4f0164010 R09: 0000000000000000 # [ 70.127234] R10: 00007fc4f036f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.141422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.155613] irq event stamp: 0 # [ 70.165261] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.172266] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.181405] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.190544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.197544] ---[ end trace 79aae51a6a3776d9 ]--- # [ 70.202690] 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 # [ 70.553863] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.565573] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.573113] ------------[ cut here ]------------ # [ 70.578282] refcount_t: underflow; use-after-free. # [ 70.589868] WARNING: CPU: 2 PID: 2548 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 70.599214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.631849] CPU: 2 PID: 2548 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 70.640407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.647215] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 70.652958] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 # [ 70.673947] RSP: 0018:ffffb49083157e40 EFLAGS: 00010286 # [ 70.679784] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.687760] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 # [ 70.695734] RBP: ffffffff8e4bffe8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.703709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.711682] R13: ffffb49083157f10 R14: ffffb49083157f10 R15: ffff94bc43f22000 # [ 70.719656] FS: 00007febfe555580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 # [ 70.728699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.735121] CR2: 00007febfe36e000 CR3: 0000000104fe6001 CR4: 00000000003706e0 # [ 70.743095] Call Trace: # [ 70.745829] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 70.751990] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 70.758318] direct_entry.cold+0x2c/0x38 # [ 70.762730] full_proxy_write+0x56/0x80 # [ 70.767019] vfs_write+0xea/0x390 # [ 70.770749] ksys_write+0x68/0xe0 # [ 70.774452] do_syscall_64+0x33/0x40 # [ 70.778475] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.784120] RIP: 0033:0x7febfe47df33 # [ 70.788112] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.809101] RSP: 002b:00007ffee28ecc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.817584] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007febfe47df33 # [ 70.825559] RDX: 0000000000000020 RSI: 00007febfe36e000 RDI: 0000000000000001 # [ 70.833532] RBP: 00007febfe36e000 R08: 00007febfe36d010 R09: 0000000000000000 # [ 70.841507] R10: 00007febfe5781c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.855691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.869884] irq event stamp: 0 # [ 70.879506] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.886510] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.895648] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.904786] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.911788] ---[ end trace 79aae51a6a3776da ]--- # [ 70.916944] 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 # [ 71.009639] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 71.017507] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 71.025002] ------------[ cut here ]------------ # [ 71.030160] refcount_t: underflow; use-after-free. # [ 71.035524] WARNING: CPU: 2 PID: 2583 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 71.044863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.071324] CPU: 2 PID: 2583 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 71.086090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.092897] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 71.098635] Code: 05 1d 1e 76 01 01 e8 f5 1b 93 00 0f 0b c3 80 3d 0b 1e 76 01 00 75 95 48 c7 c7 98 bd 45 8e c6 05 fb 1d 76 01 01 e8 d6 1b 93 00 <0f> 0b c3 80 3d ea 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 f0 bd 45 # [ 71.119622] RSP: 0018:ffffb490831efe40 EFLAGS: 00010286 # [ 71.125459] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 71.133433] RDX: ffff94bcbad2c660 RSI: ffff94bcbad1bf70 RDI: ffff94bcbad1bf70 # [ 71.147622] RBP: ffffffff8e4c0008 R08: 0000000000000000 R09: 0000000000000000 # [ 71.161813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.169785] R13: ffffb490831eff10 R14: ffffb490831eff10 R15: ffff94bc440ac000 # [ 71.177757] FS: 00007fa72308b580(0000) GS:ffff94bcbad00000(0000) knlGS:0000000000000000 # [ 71.186797] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.193245] CR2: 00007fa722ea4000 CR3: 0000000103246006 CR4: 00000000003706e0 # [ 71.201224] Call Trace: # [ 71.210166] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 71.216316] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 71.222640] direct_entry.cold+0x2c/0x38 # [ 71.227020] full_proxy_write+0x56/0x80 # [ 71.231312] vfs_write+0xea/0x390 # [ 71.235010] ksys_write+0x68/0xe0 # [ 71.238710] do_syscall_64+0x33/0x40 # [ 71.242701] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.248344] RIP: 0033:0x7fa722fb3f33 # [ 71.252335] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.273322] RSP: 002b:00007fff5a98c248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.281780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa722fb3f33 # [ 71.289751] RDX: 0000000000000020 RSI: 00007fa722ea4000 RDI: 0000000000000001 # [ 71.297714] RBP: 00007fa722ea4000 R08: 00007fa722ea3010 R09: 0000000000000000 # [ 71.305686] R10: 00007fa7230ae1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.313658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.321633] irq event stamp: 0 # [ 71.325040] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.332043] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.341182] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.350320] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.357321] ---[ end trace 79aae51a6a3776db ]--- # [ 71.362476] 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 # [ 72.034888] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 72.043429] lkdtm: attempting good copy_to_user of correct size # [ 72.056278] 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 # [ 72.148264] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 72.156940] lkdtm: attempting good copy_from_user of correct size # [ 72.163790] 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 # [ 72.248588] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 72.258760] lkdtm: attempting good copy_to_user inside whitelist # [ 72.271680] 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 # [ 72.360680] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 72.372796] lkdtm: attempting good copy_from_user inside whitelist # [ 72.385948] 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 # [ 72.477145] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 72.486716] lkdtm: good_stack: ffffb49083597e20-ffffb49083597e40 # [ 72.499645] lkdtm: bad_stack : ffffb49083597da8-ffffb49083597dc8 # [ 72.512609] lkdtm: attempting good copy_to_user of local stack # [ 72.525320] 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 # [ 72.610285] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.619903] lkdtm: good_stack: ffffb4908360fe20-ffffb4908360fe40 # [ 72.632856] lkdtm: bad_stack : ffffb4908360fda8-ffffb4908360fdc8 # [ 72.645801] lkdtm: attempting good copy_from_user of local stack # [ 72.658702] 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 # [ 72.769217] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.777910] lkdtm: good_stack: ffffb4908365fe20-ffffb4908365fe40 # [ 72.784631] lkdtm: bad_stack : ffffb4908365fff8-ffffb49083660018 # [ 72.797567] lkdtm: attempting good copy_to_user of local stack # [ 72.810303] lkdtm: attempting bad copy_to_user of distant stack # [ 72.816951] 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 # [ 72.901607] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.909798] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8e0d9f10 # [ 72.924674] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8ced1460 # [ 72.939225] 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 # [ 73.033091] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 73.044314] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 73.058416] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 73.066209] lkdtm: FAIL: the thread stack is NOT properly erased # [ 73.079145] CPU: 3 PID: 2948 Comm: cat Tainted: G D W 5.10.126-cip9 #1 # [ 73.087721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 73.094527] Call Trace: # [ 73.097267] dump_stack+0x77/0x97 # [ 73.100968] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 73.106123] direct_entry.cold+0x2c/0x38 # [ 73.110494] full_proxy_write+0x56/0x80 # [ 73.114775] vfs_write+0xea/0x390 # [ 73.118472] ksys_write+0x68/0xe0 # [ 73.122169] do_syscall_64+0x33/0x40 # [ 73.126159] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 73.131791] RIP: 0033:0x7f0dc0ba2f33 # [ 73.135779] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.156765] RSP: 002b:00007ffd1508eab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.165222] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0dc0ba2f33 # [ 73.173182] RDX: 0000000000000012 RSI: 00007f0dc0a93000 RDI: 0000000000000001 # [ 73.181151] RBP: 00007f0dc0a93000 R08: 00007f0dc0a92010 R09: 0000000000000000 # [ 73.189120] R10: 00007f0dc0c9d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.197090] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 73.294198] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 73.304656] lkdtm: Calling matched prototype ... # [ 73.309832] lkdtm: Calling mismatched prototype ... # [ 73.315301] 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 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #