[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 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_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 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 61103 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 375847 run 166745 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 8974 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8964 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8972 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8972 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 8972 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90939 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107726 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 14150 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 14157 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 22363 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 53526 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11322 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 9262 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 10044 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465956 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486065 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825753 exit 39352 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 2113747 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 227 run 139236 exit 21560 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 30854 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5286 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23465 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 23808 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2380 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 24382 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 2023-06-21 18:28:42 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-06-21 18:28:42 UTC ELOG: Event(92) added with size 9 at 2023-06-21 18:28:42 UTC ELOG: Event(9A) added with size 9 at 2023-06-21 18:28:42 UTC ELOG: Event(AD) added with size 10 at 2023-06-21 18:28:42 UTC ELOG: Event(9F) added with size 14 at 2023-06-21 18:28:42 UTC BS: BS_DEV_INIT times (us): entry 0 run 416919 exit 59957 ELOG: Event(A1) added with size 10 at 2023-06-21 18:28:42 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-21 18:28:42 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 25557 run 3957 exit 5198 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 5b22 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537482 exit 145965 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 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() call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 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 602 run 258556 exit 135074 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 10848609/tftp-deploy-jr8zlqie/kernel/bzImage 10848609/tftp-deploy-jr8zlqie/kernel/cmdline 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10848609/tftp-deploy-jr8zlqie/kernel/bzImploy-jr8zlqie/kernel/cmdline 10848609/tftp-deploy-jr8zlqie/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.13 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10848609/tftp-deploy-jr8zlqie/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 ################## done. The bootfile was 16393568 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ##################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10848609/tftp-deploy-jr8zlqie/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k,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: 18026579 Starting kernel ... <5>[ 0.000000] Linux version 5.10.185-cip35 (KernelCI@build-j72441-x86-64-gcc-10-x86-64-defconfig-x86-chromebookrkgwn) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jun 21 18:22:30 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000042] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001110] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.005683] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.018885] check: Scanning 1 areas for low memory corruption <6>[ 0.018896] Using GB pages for direct mapping <6>[ 0.019397] RAMDISK: [mem 0x375d7000-0x37ffffff] <6>[ 0.019403] ACPI: Early table checksum verification disabled <6>[ 0.019409] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.019420] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019432] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019445] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.019454] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019463] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.019471] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.019481] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019490] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019499] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019508] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.019518] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019527] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019536] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.019545] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.019549] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.019552] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019556] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.019559] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.019563] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.019567] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.019570] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.019574] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.019577] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.019581] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.019584] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.019713] No NUMA configuration found <6>[ 0.019717] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.019725] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] <6>[ 0.019760] Zone ranges: <6>[ 0.019763] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.019769] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.019775] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.019780] Movable zone start for each node <6>[ 0.019783] Early memory node ranges <6>[ 0.019787] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.019791] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.019795] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.019809] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.019839] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.019875] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.029754] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.029816] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.029840] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.030182] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.030232] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.030243] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.030247] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.030258] Using ACPI (MADT) for SMP configuration information <6>[ 0.030263] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.030269] TSC deadline timer available <6>[ 0.030273] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.030297] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.030301] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.030306] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.030309] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.030313] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.030316] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.030319] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.030323] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.030326] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.030329] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.030332] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.030336] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.030339] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.030342] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.030346] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.030352] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.030358] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.043587] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.043824] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.043888] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.043892] Policy zone: Normal <5>[ 0.043903] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.044341] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.044532] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.044605] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.062788] Memory: 3878188K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210604K reserved, 0K cma-reserved) <6>[ 0.062903] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.062949] Kernel/User page tables isolation: enabled <6>[ 0.063017] ftrace: allocating 60755 entries in 238 pages <6>[ 0.113694] ftrace: allocated 238 pages with 6 groups <6>[ 0.113919] Running RCU self tests <6>[ 0.113931] rcu: Hierarchical RCU implementation. <6>[ 0.113935] rcu: RCU event tracing is enabled. <6>[ 0.113938] rcu: RCU lockdep checking is enabled. <6>[ 0.113942] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.113946] Rude variant of Tasks RCU enabled. <6>[ 0.113949] Tracing variant of Tasks RCU enabled. <6>[ 0.113953] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.113957] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.121600] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.122005] random: crng init done <6>[ 0.122089] Console: colour dummy device 80x25 <6>[ 0.200496] printk: console [ttyS0] enabled <4>[ 0.200885] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.201567] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.201948] ... MAX_LOCK_DEPTH: 48 <4>[ 0.202331] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.202733] ... CLASSHASH_SIZE: 4096 <4>[ 0.203130] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.203541] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.203945] ... CHAINHASH_SIZE: 32768 <4>[ 0.204349] memory used by lock dependency info: 6365 kB <4>[ 0.204838] memory used for stack traces: 4224 kB <4>[ 0.205278] per task-struct memory footprint: 1920 bytes <6>[ 0.205812] ACPI: Core revision 20200925 <6>[ 0.206368] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.206888] APIC: Switch to symmetric I/O mode setup <6>[ 0.211364] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.212307] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.213232] pid_max: default: 32768 minimum: 301 <6>[ 0.213292] LSM: Security Framework initializing <6>[ 0.213292] SELinux: Initializing. <6>[ 0.213292] LSM support for eBPF active <6>[ 0.213292] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.213292] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.213292] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.213292] process: using mwait in idle threads <6>[ 0.213292] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.213292] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.213292] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.213292] Spectre V2 : Mitigation: IBRS <6>[ 0.213292] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.213292] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.213292] RETBleed: Mitigation: IBRS <6>[ 0.213292] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.213292] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.213292] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.213292] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.213292] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.213292] SRBDS: Vulnerable: No microcode <4>[ 0.213292] ------------[ cut here ]------------ <4>[ 0.213292] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.213292] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.213292] Modules linked in: <4>[ 0.213292] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.185-cip35 #1 <4>[ 0.213292] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.213292] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.213292] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 88 61 8f 85 c6 05 78 ea 46 02 01 e8 52 c7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.213292] RSP: 0000:ffffffff85c03de0 EFLAGS: 00010282 <4>[ 0.213292] RAX: 0000000000000000 RBX: ffffffff8680b2cc RCX: 0000000000000000 <4>[ 0.213292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83b77c91 <4>[ 0.213292] RBP: ffffffff8557ed60 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.213292] R10: ffffffff85c8fee0 R11: 3fffffffffffffff R12: ffffffff86823380 <4>[ 0.213292] R13: cccccccccccccccc R14: ffffffff8557ed65 R15: 0000000000000004 <4>[ 0.213292] FS: 0000000000000000(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 <4>[ 0.213292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.213292] CR2: ffff97bd3efff000 CR3: 0000000041c26001 CR4: 00000000003706f0 <4>[ 0.213292] Call Trace: <4>[ 0.213292] ? __warn+0x80/0x110 <4>[ 0.213292] ? apply_returns+0x1f5/0x220 <4>[ 0.213292] ? report_bug+0x9e/0xc0 <4>[ 0.213292] ? __warn_printk+0x6c/0x8d <4>[ 0.213292] ? handle_bug+0x41/0x90 <4>[ 0.213292] ? exc_invalid_op+0x14/0x70 <4>[ 0.213292] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.213292] ? console_unlock+0x4d1/0x5f0 <4>[ 0.213292] ? apply_returns+0x1f5/0x220 <4>[ 0.213292] alternative_instructions+0x7d/0x143 <4>[ 0.213292] check_bugs+0xe9f/0xefb <4>[ 0.213292] start_kernel+0x517/0x54d <4>[ 0.213292] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.213292] irq event stamp: 198841 <4>[ 0.213292] hardirqs last enabled at (198849): [] console_unlock+0x4d1/0x5f0 <4>[ 0.213292] hardirqs last disabled at (198856): [] console_unlock+0x444/0x5f0 <4>[ 0.213292] softirqs last enabled at (1844): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 <4>[ 0.213292] softirqs last disabled at (1842): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 <4>[ 0.213292] ---[ end trace c8f77ca8824754af ]--- <6>[ 0.213292] Freeing SMP alternatives memory: 48K <6>[ 0.213292] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.236313] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.238305] ... version: 4 <6>[ 0.239297] ... bit width: 48 <6>[ 0.240297] ... generic registers: 4 <6>[ 0.241297] ... value mask: 0000ffffffffffff <6>[ 0.242296] ... max period: 00007fffffffffff <6>[ 0.243296] ... fixed-purpose events: 3 <6>[ 0.244296] ... event mask: 000000070000000f <6>[ 0.260302] rcu: Hierarchical SRCU implementation. <6>[ 0.319322] smp: Bringing up secondary CPUs ... <6>[ 0.342327] x86: Booting SMP configuration: <6>[ 0.344299] .... node #0, CPUs: #1 <4>[ 0.364320] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. <4>[ 0.366319] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. <4>[ 0.387318] #2 #3 <6>[ 0.455313] smp: Brought up 1 node, 4 CPUs <6>[ 0.457299] smpboot: Max logical packages: 1 <6>[ 0.458297] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.506296] devtmpfs: initialized <6>[ 0.516319] x86/mm: Memory block size: 128MB <6>[ 0.627300] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.628304] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.642309] pinctrl core: initialized pinctrl subsystem <6>[ 0.669297] PM: RTC time: 18:28:55, date: 2023-06-21 <6>[ 0.687297] NET: Registered protocol family 16 <6>[ 0.709302] audit: initializing netlink subsys (disabled) <5>[ 0.712348] audit: type=2000 audit(1687372135.500:1): state=initialized audit_enabled=0 res=1 <6>[ 0.733312] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.734298] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.736322] cpuidle: using governor menu <6>[ 0.745308] ACPI: bus type PCI registered <6>[ 0.756298] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.757301] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.758324] PCI: Using configuration type 1 for base access <6>[ 1.804328] Kprobes globally optimized <6>[ 1.817311] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 1.818315] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 1.826292] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 1.911317] ACPI: Added _OSI(Module Device) <6>[ 1.912298] ACPI: Added _OSI(Processor Device) <6>[ 1.913297] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 1.914298] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 1.915299] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 1.916298] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 1.917298] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 2.276312] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 2.501322] ACPI: EC: EC started <6>[ 2.502296] ACPI: EC: interrupt blocked <6>[ 2.524315] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 2.525300] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 2.526296] ACPI: Interpreter enabled <6>[ 2.528318] ACPI: (supports S0 S3 S4 S5) <6>[ 2.529298] ACPI: Using IOAPIC for interrupt routing <6>[ 2.532302] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 3.032311] ACPI: Power Resource [PRIC] (on) <6>[ 3.639309] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 3.640307] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 3.649318] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 3.651321] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 3.670316] PCI host bridge to bus 0000:00 <6>[ 3.671300] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 3.672298] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 3.673298] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 3.674298] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 3.675298] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 3.676298] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 3.677298] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 3.678298] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 3.679298] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 3.680298] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 3.681298] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 3.682298] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 3.683298] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 3.684298] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 3.685298] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 3.686298] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 3.687298] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 3.688298] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 3.689298] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 3.690298] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 3.691298] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 3.694320] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 3.722302] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 3.723317] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 3.724309] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 3.725305] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 3.744308] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 3.745318] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 3.770301] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 3.771320] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 3.791307] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 3.793312] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 3.799307] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 3.822324] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 3.825305] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 3.846317] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 3.848314] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 3.876317] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 3.878314] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 3.905312] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 3.907314] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 3.909296] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 3.935319] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 3.937314] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 3.966301] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 3.974296] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 3.998311] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 4.000315] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 4.026305] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 4.028314] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 4.053325] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 4.056310] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 4.084308] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 4.086307] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 4.110316] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 4.134309] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 4.135325] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 4.162310] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 4.164312] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 4.167297] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 4.171319] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 4.194306] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 4.197309] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 4.200322] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 4.224299] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 4.226297] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 4.266299] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 4.284298] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 4.377298] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 4.440318] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 4.441314] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 4.479317] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.489306] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 4.499299] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.508323] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.517322] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.527299] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.536317] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.545310] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 4.716297] ACPI: EC: interrupt unblocked <6>[ 4.717296] ACPI: EC: event unblocked <6>[ 4.718296] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 4.719297] ACPI: EC: GPE=0x6e <6>[ 4.720300] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 4.721299] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 4.735294] iommu: Default domain type: Translated <6>[ 4.757363] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 4.757925] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 4.797352] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 4.814306] vgaarb: loaded <5>[ 4.841315] SCSI subsystem initialized <6>[ 4.862304] ACPI: bus type USB registered <6>[ 4.866311] usbcore: registered new interface driver usbfs <6>[ 4.868318] usbcore: registered new interface driver hub <6>[ 4.870301] usbcore: registered new device driver usb <6>[ 4.874305] mc: Linux media interface: v0.10 <6>[ 4.875320] videodev: Linux video capture interface: v2.00 <6>[ 4.877298] pps_core: LinuxPPS API ver. 1 registered <6>[ 4.878297] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 4.879305] PTP clock support registered <6>[ 4.895324] Advanced Linux Sound Architecture Driver Initialized. <6>[ 4.925302] NetLabel: Initializing <6>[ 4.926297] NetLabel: domain hash size = 128 <6>[ 4.927296] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 4.930303] NetLabel: unlabeled traffic allowed by default <6>[ 4.938300] PCI: Using ACPI for IRQ routing <6>[ 5.222315] clocksource: Switched to clocksource tsc-early <5>[ 5.536060] VFS: Disk quotas dquot_6.6.0 <6>[ 5.536481] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 5.537434] pnp: PnP ACPI init <6>[ 5.538349] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 5.538947] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 5.539550] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 5.540145] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 5.540746] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 5.541349] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 5.541972] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 5.542600] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 5.543194] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 5.543795] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 5.545080] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 5.545906] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 5.546633] system 00:04: [io 0x0200] has been reserved <6>[ 5.547120] system 00:04: [io 0x0204] has been reserved <6>[ 5.547615] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 5.548152] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 5.550611] pnp: PnP ACPI: found 6 devices <6>[ 5.562498] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 5.563380] NET: Registered protocol family 2 <6>[ 5.563928] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 5.565867] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 5.566815] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 5.567693] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 5.569893] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 5.570737] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 5.571637] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 5.572471] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 5.573432] NET: Registered protocol family 1 <6>[ 5.574392] RPC: Registered named UNIX socket transport module. <6>[ 5.574947] RPC: Registered udp transport module. <6>[ 5.575391] RPC: Registered tcp transport module. <6>[ 5.575825] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 5.576862] NET: Registered protocol family 44 <6>[ 5.577292] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 5.577779] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 5.578411] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 5.578966] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 5.579579] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 5.580193] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 5.580816] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 5.581442] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 5.582057] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 5.582685] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 5.583307] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 5.583936] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 5.584567] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 5.585190] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 5.585818] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 5.586451] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 5.587073] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 5.587705] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 5.588338] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 5.588961] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 5.589604] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 5.590227] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 5.590856] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 5.591759] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 5.594036] PCI: CLS 64 bytes, default 64 <6>[ 5.594711] Unpacking initramfs... <6>[ 5.909287] Freeing initrd memory: 10404K <6>[ 5.909744] DMAR: Host address width 39 <6>[ 5.910132] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 5.910695] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 5.911449] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 5.912012] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 5.912517] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 5.913295] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 5.913885] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 5.914773] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 5.915492] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 5.916012] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 5.916557] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 5.917048] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 5.917566] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 5.919410] kvm: already loaded the other module <6>[ 5.934276] check: Scanning for low memory corruption every 60 seconds <5>[ 5.937188] Initialise system trusted keyrings <6>[ 5.937805] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 5.952711] NFS: Registering the id_resolver key type <5>[ 5.953205] Key type id_resolver registered <5>[ 5.953629] Key type id_legacy registered <5>[ 5.969375] Key type asymmetric registered <5>[ 5.969783] Asymmetric key parser 'x509' registered <6>[ 5.970268] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 5.970955] io scheduler mq-deadline registered <6>[ 5.971384] io scheduler kyber registered <4>[ 5.971924] test_firmware: interface ready <6>[ 5.973459] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 5.974986] ACPI: AC Adapter [AC] (on-line) <6>[ 5.975677] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 5.977259] ACPI: Lid Switch [LID0] <6>[ 5.977797] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 5.978649] ACPI: Power Button [PWRF] <6>[ 5.979255] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 5.980298] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 5.981182] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 5.982049] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 5.983310] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 5.986055] hpet_acpi_add: no address or irqs in _CRS <6>[ 5.986841] Non-volatile memory driver v1.3 <6>[ 5.986943] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 5.987367] Linux agpgart interface v0.103 <6>[ 5.988545] [drm] amdgpu kernel modesetting enabled. <6>[ 5.991058] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 6.043502] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 6.045184] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 6.075679] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 6.078667] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 6.092013] loop: module loaded <6>[ 6.092905] lkdtm: No crash points registered, enable through debugfs <6>[ 6.111419] printk: console [ttyS0] disabled <6>[ 6.112020] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 6.966195] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 6.966219] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 6.966362] clocksource: Switched to clocksource tsc <6>[ 9.711686] printk: console [ttyS0] enabled <6>[ 9.711737] fbcon: i915drmfb (fb0) is primary device <6>[ 9.720574] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <4>[ 9.721964] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 9.728177] e100: Intel(R) PRO/100 Network Driver <6>[ 9.728179] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 9.728222] e1000: Intel(R) PRO/1000 Network Driver <6>[ 9.728224] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 9.728277] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 9.728278] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 9.728358] sky2: driver version 1.30 <6>[ 9.728573] usbcore: registered new interface driver r8152 <6>[ 9.728917] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 9.728936] ehci-pci: EHCI PCI platform driver <6>[ 9.728986] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 9.728998] ohci-pci: OHCI PCI platform driver <6>[ 9.729039] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 9.729794] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 9.730441] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 9.731188] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 9.731789] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 9.731831] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 9.733413] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 9.733804] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 9.733815] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 9.734242] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 9.734259] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 9.734263] usb usb1: Product: xHCI Host Controller <6>[ 9.734267] usb usb1: Manufacturer: Linux 5.10.185-cip35 xhci-hcd <6>[ 9.734269] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 9.735518] hub 1-0:1.0: USB hub found <6>[ 9.735670] hub 1-0:1.0: 12 ports detected <6>[ 9.738476] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 9.738480] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 9.738482] usb usb2: Product: xHCI Host Controller <6>[ 9.738485] usb usb2: Manufacturer: Linux 5.10.185-cip35 xhci-hcd <6>[ 9.738487] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 9.739154] hub 2-0:1.0: USB hub found <6>[ 9.739189] hub 2-0:1.0: 6 ports detected <6>[ 9.740650] usbcore: registered new interface driver usblp <6>[ 9.740709] usbcore: registered new interface driver usb-storage <6>[ 9.741152] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 9.741255] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 9.741257] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 9.741964] i8042: Warning: Keylock active <6>[ 9.742219] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 9.743625] rtc_cmos 00:02: RTC can wake from S4 <6>[ 9.745374] rtc_cmos 00:02: registered as rtc0 <6>[ 9.745608] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 9.746595] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 9.746712] Console: switching to colour frame buffer device 240x67 <6>[ 9.747763] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 9.747798] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 9.748508] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 9.749822] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 9.749871] intel_pstate: Intel P-state driver initializing <6>[ 9.750227] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 9.750591] intel_pstate: HWP enabled <6>[ 9.750622] sdhci: Secure Digital Host Controller Interface driver <6>[ 9.750623] sdhci: Copyright(c) Pierre Ossman <6>[ 9.750654] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 9.751649] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 9.751803] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 9.753087] hid: raw HID events driver (C) Jiri Kosina <6>[ 9.753699] usbcore: registered new interface driver usbhid <6>[ 9.753700] usbhid: USB HID core driver <6>[ 9.754115] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 9.758875] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 9.759592] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 9.760431] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 9.761546] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 9.761839] IPv4 over IPsec tunneling driver <6>[ 9.762111] Initializing XFRM netlink socket <6>[ 9.762482] NET: Registered protocol family 10 <6>[ 9.763366] Segment Routing with IPv6 <6>[ 9.764070] NET: Registered protocol family 17 <5>[ 9.764173] Key type dns_resolver registered <6>[ 9.765130] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 9.961364] mmc0: new HS400 MMC card at address 0001 <6>[ 9.969337] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 9.970140] microcode: Microcode Update Driver: v2.2. <6>[ 9.975362] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 9.979491] IPI shorthand broadcast: enabled <6>[ 9.979509] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 9.979700] sched_clock: Marking stable (9889155960, 90321818)->(5354658641, 4624819137) <6>[ 9.989297] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 10.003552] registered taskstats version 1 <6>[ 10.010554] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <5>[ 10.015885] Loading compiled-in X.509 certificates <6>[ 10.017887] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.020644] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 10.027288] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <3>[ 10.037307] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 10.039709] PM: Magic number: 11:414:494 <6>[ 10.090297] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 <6>[ 10.107242] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 10.107465] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.132656] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 10.135920] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.144614] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 10.465435] printk: console [netcon0] enabled <6>[ 10.470653] netconsole: network logging started <6>[ 10.477836] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.517748] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 10.538893] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 10.548350] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 10.556627] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 10.562184] usb 2-3: Manufacturer: Realtek <6>[ 10.567058] usb 2-3: SerialNumber: 001000001 <6>[ 10.575110] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.652583] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 10.816624] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 10.826093] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 10.834375] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 10.840034] usb 1-9: Manufacturer: Azurewave <6>[ 10.845109] usb 1-9: SerialNumber: 0x0001 <6>[ 10.857290] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.902741] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 10.954271] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 10.990661] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 10.995741] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 14.073294] r8152 2-3:1.0 eth0: carrier on <6>[ 14.078297] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 14.087437] Sending DHCP requests . <3>[ 14.425808] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[88340c9] <3>[ 14.437601] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[88340c9] <4>[ 16.927463] ., OK <6>[ 16.943989] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 <6>[ 16.953238] IP-Config: Complete: <6>[ 16.957141] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 <6>[ 16.969103] host=asus-c433ta-aj0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) <6>[ 16.978636] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 16.978638] nameserver0=192.168.201.1 <5>[ 16.992077] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 17.003922] modprobe (101) used greatest stack depth: 14120 bytes left <5>[ 17.006801] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 17.019386] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 17.020472] ALSA device list: <6>[ 17.029394] cfg80211: failed to load regulatory.db <6>[ 17.032976] No soundcards found. <4>[ 17.043100] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 17.052695] Freeing unused kernel image (initmem) memory: 2148K <6>[ 17.066600] Write protecting the kernel read-only data: 34816k <6>[ 17.074338] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 17.082379] Freeing unused kernel image (rodata/data gap) memory: 860K <6>[ 17.090088] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 17.110187] systemd-udevd (123) used greatest stack depth: 13688 bytes left <6>[ 17.157749] udevadm (125) used greatest stack depth: 13592 bytes left <6>[ 17.287489] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.297131] chromeos ramoops using acpi device. <4>[ 17.302943] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 17.306602] udevadm (136) used greatest stack depth: 13192 bytes left <6>[ 17.313575] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.333245] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 17.341940] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 17.352475] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 17.365237] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.382552] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.392603] Registered efivars operations <6>[ 17.399032] gsmi version 1.0 loaded <6>[ 17.530915] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 <6>[ 17.548709] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 17.561626] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.575075] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.587006] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.599926] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.613658] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.615620] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 17.623945] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 17.640958] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 17.642247] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.657222] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 <6>[ 17.661105] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.672563] usbcore: registered new interface driver uvcvideo <6>[ 17.681778] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.686946] USB Video Class driver (1.1.1) <6>[ 17.704659] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 17.714834] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 17.828784] nfsmount (168) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 18.212490] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 18.250622] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 18.269739] systemd[1]: Set hostname to . <30>[ 18.559810] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 18.570398] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 18.586960] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 18.604054] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 18.620939] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 18.637876] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 18.659846] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 18.679550] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 18.702712] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 18.719704] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 18.733689] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 18.749676] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 18.763673] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 18.774900] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 18.792448] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 18.809446] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 18.826094] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 18.841482] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 18.860317] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 18.875978] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 18.893648] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 18.908517] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 18.926538] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 18.941164] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 18.957530] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 18.978118] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 18.995081] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 19.011102] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <6>[ 19.024851] fuse: init (API version 7.32) <30>[ 19.031645] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 19.045287] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 19.060851] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 19.076779] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 19.095849] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 19.117480] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 19.133680] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 19.149702] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 19.165681] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 19.182661] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 19.205172] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 19.212482] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 19.229920] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 19.337944] systemd-journald[203]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Started Network Service. [ OK ] Started Network Time Synchronization. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …eds:chromeos::kbd_backlight... Starting Network Name Resolution... [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Reached target System Initialization. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Started User Login Management. [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.185-cip35 #1 SMP Wed Jun 21 18:22:30 UTC 2023 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/10848609/extract-nfsrootfs-_wkzmi8k' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10848609/extract-nfsrootfs-_wkzmi8k' / # 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-10848609/environment . /lava-10848609/environment / # /lava-10848609/bin/lava-test-runner /lava-10848609/0 /lava-10848609/bin/lava-test-runner /lava-10848609/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10848609/0/tests/0_timesync-off ++ cat uuid + UUID=10848609_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd <6>[ 22.114685] systemd-timesyn (246) used greatest stack depth: 12608 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-10848609/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10848609_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-21 18:29:15-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.182-cip35-289-g3c0549540706/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3560564 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 193KB/s kselftest.tar.xz 6%[> ] 219.84K 423KB/s kselftest.tar.xz 20%[===> ] 716.17K 909KB/s kselftest.tar.xz 49%[========> ] 1.67M 1.59MB/s kselftest.tar.xz 73%[=============> ] 2.51M 1.92MB/s kselftest.tar.xz 89%[================> ] 3.05M 1.95MB/s kselftest.tar.xz 100%[===================>] 3.40M 2.00MB/s in 1.7s 2023-06-21 18:29:17 (2.00 MB/s) - 'kselftest.tar.xz' saved [3560564/3560564] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST<6>[ 26.876541] grep (470) used greatest stack depth: 12528 bytes left _FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFC<12>[ 27.006552] kselftest: Running tests in lkdtm OUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 27.164907] lkdtm: Performing direct entry BUG <4>[ 27.170260] ------------[ cut here ]------------ <2>[ 27.175750] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 27.181919] invalid opcode: 0000 [#1] SMP PTI <4>[ 27.187082] CPU: 1 PID: 634 Comm: cat Tainted: G W 5.10.185-cip35 #1 <4>[ 27.195924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 27.203022] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 27.207695] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 27.228957] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 27.235083] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 27.243357] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 27.251619] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 27.259878] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 27.268137] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 27.276398] FS: 00007f7b5b97e580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 <4>[ 27.285717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 27.292423] CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706e0 <4>[ 27.300684] Call Trace: <4>[ 27.303695] ? __die_body.cold+0x1a/0x1f <4>[ 27.308371] ? die+0x2b/0x50 <4>[ 27.311880] ? do_trap+0x91/0x110 <4>[ 27.315868] ? lkdtm_BUG+0x5/0x10 <4>[ 27.319858] ? do_error_trap+0x90/0x110 <4>[ 27.324428] ? lkdtm_BUG+0x5/0x10 <4>[ 27.328417] ? lkdtm_BUG+0x5/0x10 <4>[ 27.332405] ? exc_invalid_op+0x4e/0x70 <4>[ 27.336976] ? lkdtm_BUG+0x5/0x10 <4>[ 27.340957] ? asm_exc_invalid_op+0x12/0x20 <4>[ 27.345919] ? direct_entry+0xe0/0xe0 <4>[ 27.350298] ? lkdtm_BUG+0x5/0x10 <4>[ 27.354286] direct_entry.cold+0x2c/0x38 <4>[ 27.358955] full_proxy_write+0x53/0x80 <4>[ 27.363529] vfs_write+0xe7/0x3b0 <4>[ 27.367519] ksys_write+0x68/0xf0 <4>[ 27.371509] do_syscall_64+0x30/0x40 <4>[ 27.375788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 27.381719] RIP: 0033:0x7f7b5b894473 <4>[ 27.385990] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 27.407263] RSP: 002b:00007ffc0e9518e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 27.416009] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7b5b894473 <4>[ 27.424269] RDX: 0000000000000004 RSI: 00007f7b5b788000 RDI: 0000000000000001 <4>[ 27.432528] RBP: 00007f7b5b788000 R08: 00007f7b5b787010 R09: 0000000000000000 <4>[ 27.440788] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 27.449048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 27.457312] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <0>[ 27.511999] gsmi: Log Shutdown Reason 0x03 <4>[ 27.516877] ---[ end trace c8f77ca8824754b1 ]--- <4>[ 27.522362] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 27.527037] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 27.548360] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 27.554492] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 27.562786] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 27.571085] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 27.579392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 27.587655] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 27.595949] FS: 00007f7b5b97e580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 <4>[ 27.605311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 27.612050] CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706e0 # Segmentation fault # [ 27.164907] lkdtm: Performing direct entry BUG # [ 27.170260] ------------[ cut here ]------------ # [ 27.175750] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 27.181919] invalid opcode: 0000 [#1] SMP PTI # [ 27.187082] CPU: 1 PID: 634 Comm: cat Tainted: G W 5.10.185-cip35 #1 # [ 27.195924] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 27.203022] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 27.207695] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 <6>[ 27.689400] lkdtm: Performing direct entry WARNING 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 27.228957] RSP:<4>[ 27.698354] ------------[ cut here ]------------ 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 27.235083] RAX: f<4>[ 27.709987] WARNING: CPU: 0 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 fffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [<4>[ 27.725940] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 27.243357] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: f<4>[ 27.784904] CPU: 0 PID: 671 Comm: cat Tainted: G D W 5.10.185-cip35 #1 fffffff8557e8d0 # [ 27.251619] RBP: ffffffff85a5d470 R08: 000<4>[ 27.799980] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000001 R09: 0000000000000001 # [ 27.259878] R10: 00000<4>[ 27.813284] RIP: 0010:lkdtm_WARNING+0x13/0x20 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 2<4>[ 27.824676] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 7.268137] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff9<4>[ 27.852145] RSP: 0018:ffffac1c012a7e60 EFLAGS: 00010202 7bcc6f45000 # [ 27.276398] FS: 00007f7b5b97e580(0000) GS:fff<4>[ 27.864563] RAX: ffffffff84579a90 RBX: 0000000000000002 RCX: 0000000000000000 f97bd3ac80000(0000) knlGS:0000000000000000 # [ 27.285717] CS:<4>[ 27.878979] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffffffff8557e8e0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.292423]<4>[ 27.893522] RBP: ffffffff859f8d77 R08: 0000000000000000 R09: 0000000000000000 CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706<4>[ 27.907942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 e0 # [ 27.300684] Call Trace: # [ 27.303695] ? __die_body<4>[ 27.922419] R13: ffffac1c012a7f10 R14: ffffac1c012a7f10 R15: ffff97bcc35a8000 .cold+0x1a/0x1f # [ 27.308371] ? die+0x2b/0x50 # [ 27.311<4>[ 27.936909] FS: 00007f0d246c5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 880] ? do_trap+0x91/0x110 # [ 27.315868] ? lkdtm_BUG+0x5/0x<4>[ 27.952451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 10 # [ 27.319858] ? do_error_trap+0x90/0x110 # [ 27.32442<4>[ 27.965403] CR2: 00007f0d244cf000 CR3: 0000000103272002 CR4: 00000000003706f0 8] ? lkdtm_BUG+0x5/0x10 # [ 27.328417] ? lkdtm_BUG+0x5/0x10<4>[ 27.979880] Call Trace: # [ 27.332405] ? exc_invalid_op+0x4e/0x70 # [ 27.336976]<4>[ 27.989126] ? __warn+0x80/0x110 ? lkdtm_BUG+0x5/0x10 # [ 27.340957] ? asm_exc_invalid_op+0<4>[ 27.999253] ? lkdtm_WARNING+0x13/0x20 x12/0x20 # [ 27.345919] ? direct_entry+0xe0/0xe0 # [ 27.3<4>[ 28.009943] ? report_bug+0x9e/0xc0 50298] ? lkdtm_BUG+0x5/0x10 # [ 27.354286] direct_entry.col<4>[ 28.020346] ? handle_bug+0x41/0x90 d+0x2c/0x38 # [ 27.358955] full_proxy_write+0x53/0x80 # [ <4>[ 28.030724] ? exc_invalid_op+0x14/0x70 27.363529] vfs_write+0xe7/0x3b0 # [ 27.367519] ksys_write+<4>[ 28.041534] ? asm_exc_invalid_op+0x12/0x20 0x68/0xf0 # [ 27.371509] do_syscall_64+0x30/0x40 # [ 27.3<4>[ 28.052716] ? lkdtm_BUG+0x10/0x10 75788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 27.38171<4>[ 28.063044] ? lkdtm_WARNING+0x13/0x20 9] RIP: 0033:0x7f7b5b894473 # [ 27.385990] Code: 8b 15 21 2a <4>[ 28.073757] direct_entry.cold+0x2c/0x38 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0<4>[ 28.084643] full_proxy_write+0x53/0x80 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 <4>[ 28.095443] vfs_write+0xe7/0x3b0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 27.<4>[ 28.105645] ksys_write+0x68/0xf0 407263] RSP: 002b:00007ffc0e9518e8 EFLAGS: 00000246 ORIG_RAX: 00<4>[ 28.115850] do_syscall_64+0x30/0x40 00000000000001 # [ 27.416009] RAX: ffffffffffffffda RBX: 0000<4>[ 28.126354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000000004 RCX: 00007f7b5b894473 # [ 27.424269] RDX: 000000<4>[ 28.138520] RIP: 0033:0x7f0d245db473 0000000004 RSI: 00007f7b5b788000 RDI: 0000000000000001 # [ 27<4>[ 28.148982] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .432528] RBP: 00007f7b5b788000 R08: 00007f7b5b787010 R09: 000000<4>[ 28.176516] RSP: 002b:00007fff238f9198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000 # [ 27.440788] R10: fffffffffffffbc5 R11: 00000000<4>[ 28.191464] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0d245db473 00000246 R12: 0000000000000001 # [ 27.449048] R13: 0000000000<4>[ 28.205981] RDX: 0000000000000008 RSI: 00007f0d244cf000 RDI: 0000000000000001 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 27.457<4>[ 28.220446] RBP: 00007f0d244cf000 R08: 00007f0d244ce010 R09: 0000000000000000 312] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec<4>[ 28.234949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif<4>[ 28.249456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 o_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhu<4>[ 28.263917] irq event stamp: 0 b cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar v<4>[ 28.273854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ideobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev c<4>[ 28.287362] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_t<4>[ 28.302992] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 hermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c<4>[ 28.318637] softirqs last disabled at (0): [<0000000000000000>] 0x0 i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backligh<4>[ 28.332167] ---[ end trace c8f77ca8824754b2 ]--- t coreboot_table # [ 27.511999] gsmi: Log Shutdown Reason 0x03 # [ 27.516877] ---[ end trace c8f77ca8824754b1 ]--- # [ 27.522362] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 27.527037] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 27.548360] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 27.554492] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 27.562786] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 27.571085] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 27.579392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<6>[ 28.414729] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 28.424910] ------------[ cut here ]------------ 000000000000004 # [ 27.587655] R13: ffffac1c01327f10 R14: fff<4>[ 28.430382] Warning message trigger count: 2 fac1c01327f10 R15: ffff97bcc6f45000 # [ 27.595949] FS: 00007<4>[ 28.441684] WARNING: CPU: 2 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 f7b5b97e580(0000) GS:ffff97bd3ac80000(0000) knlGS:00000000000000<4>[ 28.458409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 28.517417] CPU: 2 PID: 706 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 28.526294] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.533409] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 28.539377] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 e9 02 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 28.560682] RSP: 0018:ffffac1c0141fe60 EFLAGS: 00010286 <4>[ 28.566812] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 28.575077] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 28.583366] RBP: ffffffff859f8d7f R08: 0000000000000000 R09: 0000000000000000 <4>[ 28.591632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 28.599895] R13: ffffac1c0141ff10 R14: ffffac1c0141ff10 R15: ffff97bcc2dbb000 <4>[ 28.608162] FS: 00007fd3f8317580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 28.617523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.624234] CR2: 00007fd3f8121000 CR3: 00000001030d8006 CR4: 00000000003706e0 <4>[ 28.632498] Call Trace: <4>[ 28.635523] ? __warn+0x80/0x110 <4>[ 28.639448] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 28.644704] ? report_bug+0x9e/0xc0 <4>[ 28.648922] ? handle_bug+0x41/0x90 <4>[ 28.653141] ? exc_invalid_op+0x14/0x70 <4>[ 28.657717] ? asm_exc_invalid_op+0x12/0x20 <4>[ 28.662685] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 28.667972] direct_entry.cold+0x2c/0x38 <4>[ 28.672679] full_proxy_write+0x53/0x80 <4>[ 28.677285] vfs_write+0xe7/0x3b0 <4>[ 28.681280] ksys_write+0x68/0xf0 <4>[ 28.685304] do_syscall_64+0x30/0x40 <4>[ 28.689589] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 28.695525] RIP: 0033:0x7fd3f822d473 <4>[ 28.699808] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 28.721085] RSP: 002b:00007fff43958eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 28.729838] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd3f822d473 <4>[ 28.738104] RDX: 0000000000000010 RSI: 00007fd3f8121000 RDI: 0000000000000001 <4>[ 28.746367] RBP: 00007fd3f8121000 R08: 00007fd3f8120010 R09: 0000000000000000 <4>[ 28.754631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 28.762895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 28.771165] irq event stamp: 0 <4>[ 28.774896] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 28.782190] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 28.791623] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 28.801074] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 # [ 27.605311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[ 28.808370] ---[ end trace c8f77ca8824754b3 ]--- 050033 # [ 27.612050] CR2: 00007f7b5b788000 CR3: 00000001035e4001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 27.689400] lkdtm: Performing direct entry WARNING # [ 27.698354] ------------[ cut here ]------------ # [ 27.709987] WARNING: CPU: 0 PID: 671 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 27.725940] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_ps<6>[ 28.901661] lkdtm: Performing direct entry EXCEPTION <1>[ 28.912924] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 28.920988] #PF: supervisor write access in kernel mode <1>[ 28.927110] #PF: error_code(0x0002) - not-present page <6>[ 28.933136] PGD 0 P4D 0 <4>[ 28.936251] Oops: 0002 [#2] SMP PTI <4>[ 28.940433] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 28.949276] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.956375] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 28.961626] Code: 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 28.982898] RSP: 0018:ffffac1c01497e60 EFLAGS: 00010282 <4>[ 28.989023] RAX: ffffffff84579ae0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 28.997284] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff8557e900 <4>[ 29.005544] RBP: ffffffff858ed267 R08: 0000000000000000 R09: 0000000000000000 <4>[ 29.013804] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 29.022065] R13: ffffac1c01497f10 R14: ffffac1c01497f10 R15: ffff97bcc2b2e000 <4>[ 29.030328] FS: 00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 29.039657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.046363] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0 <4>[ 29.054624] Call Trace: <4>[ 29.057643] ? __die_body.cold+0x1a/0x1f <4>[ 29.062312] ? no_context+0x177/0x380 <4>[ 29.066691] ? exc_page_fault+0x53/0x170 <4>[ 29.071361] ? asm_exc_page_fault+0x1e/0x30 <4>[ 29.076324] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 29.081577] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 29.086149] direct_entry.cold+0x2c/0x38 <4>[ 29.090819] full_proxy_write+0x53/0x80 <4>[ 29.095404] vfs_write+0xe7/0x3b0 <4>[ 29.099426] ksys_write+0x68/0xf0 <4>[ 29.103416] do_syscall_64+0x30/0x40 <4>[ 29.107694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 29.113625] RIP: 0033:0x7f890c091473 <4>[ 29.117904] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 29.139180] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 29.147928] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473 <4>[ 29.156189] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 0000000000000001 <4>[ 29.164448] RBP: 00007f890bf85000 R08: 00007f890bf84010 R09: 0000000000000000 <4>[ 29.172708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 29.180969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tore cros_kbd_led_backlight coreboot_table # [ 27.784904] CPU<4>[ 29.189231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 29.248224] CR2: 0000000000000000 <4>[ 29.252211] ---[ end trace c8f77ca8824754b4 ]--- <4>[ 29.257657] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.262314] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 29.283588] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 29.289712] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.297971] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 29.306232] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.314493] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.322754] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 29.331013] FS: 00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 29.340357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.347064] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0 <3>[ 29.355325] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 29.365528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat <4>[ 29.374175] INFO: lockdep is turned off. <4>[ 29.378843] irq event stamp: 0 <4>[ 29.382539] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 29.389830] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 29.399256] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 29.408680] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 29.415970] CPU: 3 PID: 738 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 29.424813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.431908] Call Trace: <4>[ 29.434927] dump_stack+0x77/0x9b <4>[ 29.438916] ___might_sleep.cold+0xa6/0xb6 <4>[ 29.443771] exit_signals+0x1c/0x300 <4>[ 29.448042] do_exit+0xc2/0xab0 <4>[ 29.451836] ? ksys_write+0x68/0xf0 <4>[ 29.456019] make_task_dead+0x2f/0x30 <4>[ 29.460404] rewind_stack_and_make_dead+0x17/0x20 <4>[ 29.465949] RIP: 0033:0x7f890c091473 <4>[ 29.470227] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 29.491501] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 29.500248] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473 <4>[ 29.508509] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 0000000000000001 <4>[ 29.516771] RBP: 00007f890bf85000 R08: 00007f890bf84010 R09: 0000000000000000 <4>[ 29.525053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 29.533317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0 PID: 671 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 27.799980] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 27.813284] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 27.824676] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 # [ 27.852145] RSP: 0018:ffffac1c012a7e60 EFLAGS: 00010202 # [ 27.864563] RAX: ffffffff84579a90 RBX: 0000000000000002 RCX: 0000000000000000 # [ 27.878979] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffffffff8557e8e0 # [ 27.893522] RBP: ffffffff859f8d77 R08: 0000000000000000 R09: 0000000000000000 # [ 27.907942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 27.922419] R13: ffffac1c012a7f10 R14: ffffac1c012a7f10 R15: ffff97bcc35a8000 # [ 27.936909] FS: 00007f0d246c5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 27.952451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.965403] CR2: 00007f0d244cf000 CR3: 0000000103272002 CR4: 00000000003706f0 # [ 27.979880] Call Trace: # [ 27.989126] ? __warn+0x80/0x110 # [ 27.999253] ? lkdtm_WARNING+0x13/0x20 # [ 28.009943] ? report_bug+0x9e/0xc0 # [ 28.020346] ? handle_bug+0x41/0x90 # [ 28.030724] ? exc_invalid_op+0x14/0x70 # [ 28.041534] ? asm_exc_invalid_op+0x12/0x20 # [ 28.052716] ? lkdtm_BUG+0x10/0x10 # [ 28.063044] ? lkdtm_WARNING+0x13/0x20 # [ 28.073757] direct_entry.cold+0x2c/0x38 # [ 28.084643] full_proxy_write+0x53/0x80 # [ 28.095443] vfs_write+0xe7/0x3b0 # [ 28.105645] ksys_write+0x68/0xf0 # [ 28.115850] do_syscall_64+0x30/0x40 # [ 28.126354] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 28.138520] RIP: 0033:0x7f0d245db473 # [ 28.148982] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 28.176516] RSP: 002b:00007fff238f9198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.191464] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f0d245db473 # [ 28.<6>[ 29.754480] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 29.765660] lkdtm: attempting good list addition <6>[ 29.771139] lkdtm: attempting corrupted list addition <3>[ 29.777069] lkdtm: list_add() corruption not detected! 205981] RDX: 0000000000000008 RSI: 00007f0d244cf000 RDI: 0000000000000001 # [ 28.220446] RBP: 00007f0d244cf000 R08: 00007f0d244ce010 R09: 0000000000000000 # [ 28.234949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 28.249456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 28.263917] irq event stamp: 0 # [ 28.273854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 28.287362] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 28.302992] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 28.318637] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 28.332167] ---[ end trace c8f77ca8824754b2 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selft<6>[ 29.858775] lkdtm: Performing direct entry CORRUPT_LIST_DEL <6>[ 29.870437] lkdtm: attempting good list removal <6>[ 29.875792] lkdtm: attempting corrupted list removal <3>[ 29.881663] lkdtm: list_del() corruption not detected! ests: lkdtm: WARNING_MESSAGE.sh # [ 28.414729] lkdtm: Performing direct entry WARNING_MESSAGE # [ 28.424910] ------------[ cut here ]------------ # [ 28.430382] Warning message trigger count: 2 # [ 28.441684] WARNING: CPU: 2 PID: 706 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.458409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_<6>[ 29.958916] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 29.969708] lkdtm: attempting bad read from page below current stack <0>[ 29.977156] BUG: stack guard page was hit at 000000004f816ed2 (stack is 000000004d88fb09..00000000170c7c93) i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backl<4>[ 29.988342] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 30.001649] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 30.010493] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.017590] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 30.024410] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9d de fb ff 48 c7 c7 b8 96 9f 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 83 de fb ff 0f 1f 44 <4>[ 30.045684] RSP: 0018:ffffac1c017ffe50 EFLAGS: 00010246 <4>[ 30.051810] RAX: 0000000000000038 RBX: ffffac1c017fc000 RCX: 0000000000000000 <4>[ 30.060071] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f96b8 <4>[ 30.068350] RBP: ffffffff859f8de2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.076612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 30.084874] R13: ffffac1c017fff10 R14: ffffac1c017fff10 R15: ffff97bcc30b3000 <4>[ 30.093135] FS: 00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 30.102464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.109172] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0 <4>[ 30.117433] Call Trace: <4>[ 30.120451] <#DF> <4>[ 30.122984] ? __die_body.cold+0x1a/0x1f <4>[ 30.127653] ? die+0x2b/0x50 <4>[ 30.131157] ? handle_stack_overflow+0x3e/0x4d <4>[ 30.136418] ? no_context+0x24d/0x380 <4>[ 30.140794] ig[ 30.143422] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 30.202422] ---[ end trace c8f77ca8824754b5 ]--- <4>[ 30.207870] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.212537] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 30.233812] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 30.239937] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.248197] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 30.256458] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.264717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.272976] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 30.281238] FS: 00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 30.290567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.297274] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0 Tainted: G D W 5.10.185-cip35 #1 # [ 28.526294] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.533409] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.539377] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 f1 50 e9 02 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 28.560682] RSP: 0018:ffffac1c0141fe60 EFLAGS: 00010286 # [ 28.566812] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 28.575077] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ 28.583366] RBP: ffffffff859f8d7f R08: 0000000000000000 R09: 0000000000000000 # [ 28.591632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 28.599895] R13: ffffac1c0141ff1<6>[ 30.381444] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 30.393764] lkdtm: attempting bad read from page above current stack <0>[ 30.401191] BUG: stack guard page was hit at 00000000f1f65dba (stack is 0000000071e6848a..0000000003e5a119) 0 R14: ffffac1c0141ff10 R15: ffff97bcc2dbb000 # [ 28.608162] <4>[ 30.412393] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 30.425700] CPU: 3 PID: 996 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 30.434536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.441634] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 30.448536] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 63 de fb ff 48 c7 c7 30 97 9f 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 46 de fb ff <4>[ 30.469812] RSP: 0018:ffffac1c0189fe50 EFLAGS: 00010246 <4>[ 30.475928] RAX: 0000000000000038 RBX: ffffac1c0189c000 RCX: 0000000000000000 <4>[ 30.484189] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9730 <4>[ 30.492449] RBP: ffffffff859f8dfb R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.500710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 30.508971] R13: ffffac1c0189ff10 R14: ffffac1c0189ff10 R15: ffff97bcc3272000 <4>[ 30.517232] FS: 00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 30.526561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.533267] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0 <4>[ 30.541528] Call Trace: <4>[ 30.544543] <#DF> <4>[ 30.547077] ? __die_body.cold+0x1a/0x1f <4>[ 30.551745] ? die+0x2b/0x50 <4>[ 30.555248] ? handle_stack_overflow+0x3e/0x4d <4>[ 30.560500] ? no_context+0x24d/0x380 <4>[ 30.564875] FS<: 00007fd3f8317580(0000) GS:ffff97bd3ad00000(0000) knlGS:00004>[ 30.567502] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 30.626502] ---[ end trace c8f77ca8824754b6 ]--- <4>[ 30.631949] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.636617] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 30.657891] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 30.664006] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.672268] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 30.680528] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.688788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.697049] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 30.705309] FS: 00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 30.714638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.721357] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0 <3>[ 30.729618] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 30.739821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 996, name: cat <4>[ 30.748469] INFO: lockdep is turned off. <4>[ 30.753136] irq event stamp: 0 <4>[ 30.756833] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.764113] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 30.773540] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 30.782965] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.790255] CPU: 3 PID: 996 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 30.799098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.806192] Call Trace: <4>[ 30.809210] dump_stack+0x77/0x9b <4>[ 30.813191] ___might_sleep.cold+0xa6/0xb6 <4>[ 30.818055] exit_signals+0x1c/0x300 <4>[ 30.822356] do_exit+0xc2/0xab0 <4>[ 30.826152] ? ksys_write+0x68/0xf0 <4>[ 30.830359] make_task_dead+0x2f/0x30 <4>[ 30.834736] rewind_stack_and_make_dead+0x17/0x20 <4>[ 30.840269] RIP: 0033:0x7f2f4fc06473 <4>[ 30.844547] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 30.865820] RSP: 002b:00007ffd6f7b0368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.874567] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2f4fc06473 <4>[ 30.882828] RDX: 000000000000001a RSI: 00007f2f4fafa000 RDI: 0000000000000001 <4>[ 30.891087] RBP: 00007f2f4fafa000 R08: 00007f2f4faf9010 R09: 0000000000000000 <4>[ 30.899357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.907618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000 # [ 28.617523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.624234] CR2: 00007fd3f8121000 CR3: 00000001030d8006 CR4: 00000000003706e0 # [ 28.632498] Call Trace: # [ 28.635523] ? __warn+0x80/0x110 # [ 28.639448] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.644704] ? report_bug+0x9e/0xc0 # [ 28.648922] ? handle_bug+0x41/0x90 # [ 28.653141] ? exc_invalid_op+0x14/0x70 # [ 28.657717] ? asm_exc_invalid_op+0x12/0x20 # [ 28.662685] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.667972] direct_entry.cold+0x2c/0x38 # [ 28.672679] full_proxy_write+0x53/0x80 # [ 28.677285] vfs_write+0xe7/0x3b0 # [ 28.681280] ksys_write+0x68/0xf0 # [ 28.685304] do_syscall_64+0x30/0x40 # [ 28.689589] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 28.695525] RIP: 0033:0x7fd3f822d473 # [ 28.699808] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c<6>[ 31.005674] lkdtm: Performing direct entry UNSET_SMEP <6>[ 31.015080] lkdtm: trying to clear SMEP normally <4>[ 31.020545] ------------[ cut here ]------------ <4>[ 31.026004] pinned CR4 bits changed: 0x100000!? <4>[ 31.031408] WARNING: CPU: 3 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f <4>[ 31.041933] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 31.100889] CPU: 3 PID: 1032 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 31.109834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.116936] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 31.122415] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f0 33 46 02 00 75 f2 48 c7 c7 28 73 8f 85 c6 05 e0 33 46 02 01 e8 a2 10 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 31.143694] RSP: 0018:ffffac1c0191fe48 EFLAGS: 00010286 <4>[ 31.149823] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 31.158086] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70 40 00 48 83 ec 28 48 89 54 24 18 # [ 28.721085] RSP: 002b:000<4>[ 31.166365] RBP: ffffffff859f8e15 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.180842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 07fff43958eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ <4>[ 31.189110] R13: ffffac1c0191ff10 R14: ffffac1c0191ff10 R15: ffff97bcc5f7c000 <4>[ 31.203586] FS: 00007f1265170580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 31.212918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.219629] CR2: 00007f1264f7a000 CR3: 00000001030b0006 CR4: 00000000003706e0 <4>[ 31.227892] Call Trace: <4>[ 31.230918] ? __warn+0x80/0x110 <4>[ 31.234842] ? native_write_cr4+0x45/0x60 <4>[ 31.239613] ? report_bug+0x9e/0xc0 <4>[ 31.243820] ? handle_bug+0x41/0x90 <4>[ 31.248006] ? exc_invalid_op+0x14/0x70 <4>[ 31.252580] ? asm_exc_invalid_op+0x12/0x20 <4>[ 31.257550] ? native_write_cr4+0x45/0x60 28.729838] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 000<4>[ 31.262363] ? native_write_cr4+0x45/0x60 07fd3f822d473 # [ 28.738104] RDX: 0000000000000010 RSI: 00007<4>[ 31.273369] lkdtm_UNSET_SMEP.cold+0x1d/0x103 fd3f8121000 RDI: 0000000000000001 # [ 28.746367] RBP: 00007fd<4>[ 31.284743] direct_entry.cold+0x2c/0x38 3f8121000 R08: 00007fd3f8120010 R09: 0000000000000000 # [ 28.<4>[ 31.295636] full_proxy_write+0x53/0x80 754631] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000<4>[ 31.306423] vfs_write+0xe7/0x3b0 000000001 # [ 28.762895] R13: 0000000000000001 R14: 000000000<4>[ 31.316633] ksys_write+0x68/0xf0 0020000 R15: 0000000000020000 # [ 28.771165] irq event stamp:<4>[ 31.326841] do_syscall_64+0x30/0x40 0 # [ 28.774896] hardirqs last enabled at (0): [<0000000000<4>[ 31.337338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000>] 0x0 # [ 28.782190] hardirqs last disabled at (0): [<<4>[ 31.349485] RIP: 0033:0x7f1265086473 ffffffff83afd844>] copy_process+0x664/0x1c60 # [ 28.791623] s<4>[ 31.359984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 oftirqs last enabled at (0): [] copy_process+<4>[ 31.387473] RSP: 002b:00007fffd30e2a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0x664/0x1c60 # [ 28.801074] softirqs last disabled at (0): [<<4>[ 31.402443] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1265086473 0000000000000000>] 0x0 # [ 28.808370] ---[ end trace c8f77ca8<4>[ 31.416922] RDX: 000000000000000b RSI: 00007f1264f7a000 RDI: 0000000000000001 824754b3 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok <4>[ 31.431404] RBP: 00007f1264f7a000 R08: 00007f1264f79010 R09: 0000000000000000 <4>[ 31.445881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCE<4>[ 31.454148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 PTION.sh # Killed # [ 28.901661] lkdtm: Performing direct en<4>[ 31.468629] irq event stamp: 0 try EXCEPTION # [ 28.912924] BUG: kernel NULL pointer derefer<4>[ 31.478542] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ence, address: 0000000000000000 # [ 28.920988] #PF: superviso<4>[ 31.492053] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 r write access in kernel mode # [ 28.927110] #PF: error_code(<4>[ 31.507702] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 31.523345] softirqs last disabled at (0): [<0000000000000000>] 0x0 0x0002) - not-present page # [ 28.933136] PGD 0 P4D 0 # [ <4>[ 31.530642] ---[ end trace c8f77ca8824754b7 ]--- 28.936251] Oops: 0002 [#2] SMP PTI # [ 28.940433] CPU: 3 PID<6>[ 31.542302] lkdtm: ok: SMEP did not get cleared : 738 Comm: cat Tainted: G D W 5.10.185-cip35 #1 #<6>[ 31.553869] lkdtm: trying to clear SMEP with call gadget <6>[ 31.566309] lkdtm: ok: SMEP removal was reverted [ 28.949276] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.956375] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 28.961626] Code: 48 c7 c7 d8 92 9f 85 8d 70 01 89 35 e1 50 e9 02 e8 07 9c 64 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 28.982898] RSP: 0018:ffffac1c01497e60 EFLAGS: 00010282 # [ 28.989023] RAX: ffffffff84579ae0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 28.997284] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff8557e900 # [ 29.005544] RBP: ffffffff858ed267 R08: 0000000000000000 R09: 0000000000000000 # [ 29.013804] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 29.022065] R13: ffffac<6>[ 31.645077] lkdtm: Performing direct entry DOUBLE_FAULT 1c01497f10 R14: ffffac1c01497f10 R15: ffff97bcc2b2e000 # [ 29<3>[ 31.652505] lkdtm: XFAIL: this test is ia32-only .030328] FS: 00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 29.039657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.046363] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0 # [ 29.054624] Call Trace: # [ 29.057643] ? __die_body.cold+0x1a/0x1f # [ 29.062312] ? no_context+0x177/0x380 # [ 29.066691] ? exc_page_fault+0x53/0x170 # [ 29.071361] ? asm_exc_page_fault+0x1e/0x30 # [ 29.076324] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 29.081577] ? lkdtm_EXCEPTION+0x5/0x20 # [ 29.086149] direct_entry.cold+0x2c/0x38 # [ 29.090819] full_proxy_write+0x53/0x80 # [ 29.095404] vfs_write+0xe7/0x3b0 # [ 29.099426<6>[ 31.731820] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 31.738562] lkdtm: XFAIL: this test is arm64-only ] ksys_write+0x68/0xf0 # [ 29.103416] do_syscall_64+0x30/0x40 # [ 29.107694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.113625] RIP: 0033:0x7f890c091473 # [ 29.117904] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.139180] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.147928] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473 # [ 29.156189] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 000000000000<6>[ 31.805094] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 0001 # [ 29.164448] RBP: 00007f890bf85000 R08: 00007f890bf840<3>[ 31.813794] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 10 R09: 0000000000000000 # [ 29.172708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.180969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.189231] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 29.248224] CR2: 0000000000000000 # [ 29.252211] ---[ end trace c8f77ca8824754b4 ]--- # [ 29.257657] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.262314] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 29.283588] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 29.289712] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.297971] RDX: 0000000000000000<6>[ 31.949311] lkdtm: Performing direct entry READ_AFTER_FREE RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 29.306232] R<6>[ 31.958603] lkdtm: Value in memory before free: 12345678 BP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001<6>[ 31.971044] lkdtm: Attempting bad read from freed memory # [ 29.314493] R10: 00000000ffffe000 R11: 3fffffffffffffff R<6>[ 31.983484] lkdtm: Memory was not poisoned 12: 0000000000000004 # [ 29.322754] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 29.331013] FS: 00007f890c17b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 29.340357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.347064] CR2: 0000000000000000 CR3: 000000010325c001 CR4: 00000000003706e0 # [ 29.355325] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 29.365528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 738, name: cat # [ 29.374175] INFO: lockdep is turned off. # [ 29.378843] irq event stamp: 0 # [ 29.382539] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.389830] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 29.399256] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 29.408680] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.415970] CPU: 3 PID: 738 Comm: cat Tainted: G <6>[ 32.091231] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE D W 5.10.185-cip35 #1 # [ 29.424813] Hardware nam<6>[ 32.101034] lkdtm: Value in memory before free: 12345678 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.431908] Call<6>[ 32.113482] lkdtm: Attempting to read from freed memory Trace: # [ 29.434927] dump_stack+0x77/0x9b # [ 29.438916<6>[ 32.125833] lkdtm: Buddy page was not poisoned ] ___might_sleep.cold+0xa6/0xb6 # [ 29.443771] exit_signals+0x1c/0x300 # [ 29.448042] do_exit+0xc2/0xab0 # [ 29.451836] ? ksys_write+0x68/0xf0 # [ 29.456019] make_task_dead+0x2f/0x30 # [ 29.460404] rewind_stack_and_make_dead+0x17/0x20 # [ 29.465949] RIP: 0033:0x7f890c091473 # [ 29.470227] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.491501] RSP: 002b:00007ffd4b9bf958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.500248] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f890c091473 # [ 29.5085<6>[ 32.204128] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 09] RDX: 000000000000000a RSI: 00007f890bf85000 RDI: 00000000000<6>[ 32.212151] lkdtm: Attempting double slab free ... 00001 # [ 29.516771] RBP: 00007f890bf85000 R08: 00007f890bf84010 R09: 0000000000000000 # [ 29.525053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.533317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_<6>[ 32.290953] lkdtm: Performing direct entry SLAB_FREE_CROSS STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # <6>[ 32.298822] lkdtm: Attempting cross-cache slab free ... Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 29.754480] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 29.765660] lkdtm: attempting good list addition # [ 29.771139] lkdtm: attempting corrupted list addition # [ 29.777069] 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 # [ 29.858775] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 29.870437] lkdtm: attempting good list removal # [ 29.875792] lkdtm:<6>[ 32.378454] lkdtm: Performing direct entry SLAB_FREE_PAGE attempting corrupted list removal # [ 29.881663] lkdtm: list<6>[ 32.385830] lkdtm: Attempting non-Slab slab free ... _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 # [ 29.958916] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 29.969708] lkdtm: attempting bad read from page below current stack # [ 29.977156] BUG: stack guard page was hit at 000000004f816ed2 (stack is 000000004d88fb09..00000000170c7c93) # [ 29.988342] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 30.001649] CPU: 3 PID: 963 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 30.010493] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.017590] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 30.024410] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 9d de fb ff 48 c7 c7 b8 96 9f 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 83 de fb ff 0f 1f 44 # [ 30.045684] RSP: 0018:ffffac1c017ffe50 EFLAGS: 00010246 # [ 30.051810] RAX: 0000000000000038 RBX: ffffac1c017fc000 RCX: 0000000000000000 # [ 30.060071] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f96b8 # [ 30.068350] RBP: ffffffff859f8de2 R08: 0000000000000000 R09: 0000000000000000 # [ 30.076612] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 30.084874] R13: ffffac1c017fff10 R14: ffffac1c017fff10 R15: ffff97bcc30b3000 # [ 30.093135] FS: 00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 30.102464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.109172] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0 # [ 30.117433] Call Trace: # [ 30.120451] <#DF> # [<6>[ 32.566139] lkdtm: Performing direct entry EXEC_DATA <6>[ 32.577720] lkdtm: attempting ok execution at ffffffff84579e50 <6>[ 32.584580] lkdtm: attempting bad execution at ffffffff8740ebe0 30.122984] ? __die_body.cold+0x1a/0x1f # [ 30.127653] ? <2>[ 32.591502] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 32.606358] BUG: unable to handle page fault for address: ffffffff8740ebe0 <1>[ 32.614328] #PF: supervisor instruction fetch in kernel mode <1>[ 32.620935] #PF: error_code(0x0011) - permissions violation <6>[ 32.627448] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 80000000434000e3 <4>[ 32.635226] Oops: 0011 [#5] SMP PTI <4>[ 32.639421] CPU: 3 PID: 1539 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 32.648361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.655458] RIP: 0010:data_area+0x0/0x40 <4>[ 32.660125] Code: ff ff 00 b2 e2 c4 bc 97 ff ff 00 b1 e2 c4 bc 97 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 32.681418] RSP: 0018:ffffac1c020a7e48 EFLAGS: 00010246 <4>[ 32.687542] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.695802] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70 <4>[ 32.704061] RBP: ffffffff8740ebe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.712321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 32.720581] R13: ffffac1c020a7f10 R14: ffffac1c020a7f10 R15: ffff97bcc6ca2000 <4>[ 32.728842] FS: 00007f416ae40580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 32.738170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.744876] CR2: ffffffff8740ebe0 CR3: 0000000102a66005 CR4: 00000000003706e0 <4>[ 32.753135] Call Trace: <4>[ 32.756155] ? __die_body.cold+0x1a/0x1f <4>[ 32.760825] ? no_context+0x177/0x380 <4>[ 32.765205] ? exc_page_fault+0xd7/0x170 <4>[ 32.769874] ? asm_exc_page_fault+0x1e/0x30 <4>[ 32.774829] ? execute_location+0x45/0x56 <4>[ 32.779595] ? direct_entry.cold+0x2c/0x38 <4>[ 32.784449] ? full_proxy_write+0x53/0x80 <4>[ 32.789216] ? vfs_write+0xe7/0x3b0 die+0x2b/0x50 # [ 30.131157] ? handle_stack_overflow+0x3e/0x<4>[ 32.793401] ? ksys_write+0x68/0xf0 <4>[ 32.803797] ? do_syscall_64+0x30/0x40 <4>[ 32.808271] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 4d # [ 30.136418] ? no_context+0x24d/0x380 # [ 30.140794]<4>[ 32.814403] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 32.873412] CR2: ffffffff8740ebe0 <4>[ 32.877414] ---[ end trace c8f77ca8824754b8 ]--- <4>[ 32.882859] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.887527] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 32.908792] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 32.914910] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.923170] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 32.931429] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.939688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.947948] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 32.956210] FS: 00007f416ae40580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 32.965539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.972247] CR2: ffffffff8740ebe0 CR3: 0000000102a66005 CR4: 00000000003706e0 <3>[ 32.980506] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 32.990708] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1539, name: cat <4>[ 32.999455] INFO: lockdep is turned off. <4>[ 33.004121] irq event stamp: 0 <4>[ 33.007819] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 33.015103] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 33.024531] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 33.033949] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.041232] CPU: 3 PID: 1539 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 33.050165] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.057261] Call Trace: <4>[ 33.060278] dump_stack+0x77/0x9b <4>[ 33.064268] ___might_sleep.cold+0xa6/0xb6 <4>[ 33.069132] exit_signals+0x1c/0x300 <4>[ 33.073412] do_exit+0xc2/0xab0 <4>[ 33.077206] ? ksys_write+0x68/0xf0 <4>[ 33.081401] make_task_dead+0x2f/0x30 <4>[ 33.085779] rewind_stack_and_make_dead+0x17/0x20 <4>[ 33.091321] RIP: 0033:0x7f416ad56473 <4>[ 33.095599] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 33.116872] RSP: 002b:00007ffe2029a278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.125620] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f416ad56473 <4>[ 33.133880] RDX: 000000000000000a RSI: 00007f416ac4a000 RDI: 0000000000000001 <4>[ 33.142140] RBP: 00007f416ac4a000 R08: 00007f416ac49010 R09: 0000000000000000 <4>[ 33.150404] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.158664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.143422] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 30.202422] ---[ end trace c8f77ca8824754b5 ]--- # [ 30.207870] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.212537] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 30.233812] RSP: 00<6>[ 33.251033] lkdtm: Performing direct entry EXEC_STACK 18:ffffac1c01327e60 EFLAGS: 00010282 # [ 30.239937] RAX: ffff<6>[ 33.259917] lkdtm: attempting ok execution at ffffffff84579e50 ffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ <6>[ 33.272968] lkdtm: attempting bad execution at ffffac1c02127e18 30.248197] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffff<2>[ 33.286085] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 33.300913] BUG: unable to handle page fault for address: ffffac1c02127e18 <1>[ 33.308882] #PF: supervisor instruction fetch in kernel mode <1>[ 33.315492] #PF: error_code(0x0011) - permissions violation <6>[ 33.322005] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1030d4067 PTE 80000001029cd063 <4>[ 33.331356] Oops: 0011 [#6] SMP PTI <4>[ 33.335540] CPU: 0 PID: 1575 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 33.344479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.351577] RIP: 0010:0xffffac1c02127e18 <4>[ 33.356245] Code: 00 00 18 7e 12 02 1c ac ff ff 69 b6 c0 84 ff ff ff ff 20 00 00 00 00 00 00 00 3e 8f 9f 85 ff ff ff ff 98 b7 c0 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 33.377519] RSP: 0018:ffffac1c02127df8 EFLAGS: 00010246 <4>[ 33.383645] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.391907] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 <4>[ 33.400167] RBP: ffffac1c02127e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.408428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 33.416689] R13: ffffac1c02127f10 R14: ffffac1c02127f10 R15: ffff97bcc2f09000 <4>[ 33.424952] FS: 00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 <4>[ 33.434280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.440987] CR2: ffffac1c02127e18 CR3: 0000000103452002 CR4: 00000000003706f0 <4>[ 33.449248] Call Trace: <4>[ 33.452267] ? __die_body.cold+0x1a/0x1f <4>[ 33.456943] ? no_context+0x177/0x380 <4>[ 33.461324] ? exc_page_fault+0xd7/0x170 <4>[ 33.466022] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.470986] ? execute_location+0x45/0x56 <4>[ 33.475757] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 33.480514] ? direct_entry.cold+0x2c/0x38 <4>[ 33.485394] ? full_proxy_write+0x53/0x80 <4>[ 33.490153] ? vfs_write+0xe7/0x3b0 <4>[ 33.494329] ? ksys_write+0x68/0xf0 <4>[ 33.498538] ? do_syscall_64+0x30/0x40 <4>[ 33.503013] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 33.509140] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 33.561914] CR2: ffffac1c02127e18 <4>[ 33.565893] ---[ end trace c8f77ca8824754b9 ]--- <4>[ 33.571359] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.576028] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 33.597303] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 33.603418] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.611679] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 33.619939] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.628199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.636459] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 33.644721] FS: 00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 <4>[ 33.654049] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.660755] CR2: ffffac1c02127e18 CR3: 0000000103452002 CR4: 00000000003706f0 ffff8557e8d0 # [ 30.256458] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 30.264717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.272976] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 30.281238] FS: 00007f590ecf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 30.290567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.297274] CR2: ffffac1c017fbfff CR3: 00000001030bc003 CR4: 00000000003706e0 # 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 # [ 30.381444] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 30.393764] lkdtm: attempting bad read from page above current stack # [ 30.401191] BUG: stack guard page was hit at 0000000<6>[ 33.749755] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 33.762179] lkdtm: attempting ok execution at ffffffff84579e50 0f1f65dba (stack is 0000000071e6848a..0000000003e5a119) # [ 3<6>[ 33.769020] lkdtm: attempting bad execution at ffff97bcc2b14240 <2>[ 33.782133] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0.412393] kernel stack overflow (page fault): 0000 [#4] SMP PTI <1>[ 33.790807] BUG: unable to handle page fault for address: ffff97bcc2b14240 <1>[ 33.804991] #PF: supervisor instruction fetch in kernel mode <1>[ 33.811601] #PF: error_code(0x0011) - permissions violation <6>[ 33.818113] PGD 43601067 P4D 43601067 PUD 100870063 PMD 102715063 PTE 8000000102b14063 <4>[ 33.827251] Oops: 0011 [#7] SMP PTI <4>[ 33.831434] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 33.840375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.847471] RIP: 0010:0xffff97bcc2b14240 <4>[ 33.852140] Code: 00 00 02 00 00 00 00 00 00 00 00 44 b1 c2 bc 97 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef af 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 33.873416] RSP: 0018:ffffac1c021afe38 EFLAGS: 00010246 <4>[ 33.879540] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.887799] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 33.896059] RBP: ffff97bcc2b14240 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.904318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 33.912579] R13: ffffac1c021aff10 R14: ffffac1c021aff10 R15: ffff97bcc2f4d000 <4>[ 33.920840] FS: 00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 33.930168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.936875] CR2: ffff97bcc2b14240 CR3: 000000010345a001 CR4: 00000000003706e0 <4>[ 33.945134] Call Trace: <4>[ 33.948155] ? __die_body.cold+0x1a/0x1f <4>[ 33.952824] ? no_context+0x177/0x380 <4>[ 33.957202] ? exc_page_fault+0xd7/0x170 # [ 30.425700] CPU: 3 PID: 996 Comm: cat Tainted: G D W <4>[ 33.961872] ? asm_exc_page_fault+0x1e/0x30 <4>[ 33.973048] ? execute_location+0x45/0x56 <4>[ 33.977814] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 33.982774] ? direct_entry.cold+0x2c/0x38 <4>[ 33.987629] ? full_proxy_write+0x53/0x80 <4>[ 33.992410] ? vfs_write+0xe7/0x3b0 <4>[ 33.996593] ? ksys_write+0x68/0xf0 <4>[ 34.000778] ? do_syscall_64+0x30/0x40 <4>[ 34.005251] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 34.011379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 5.10.185-cip35 #1 # [ 30.434536] Hardware name: Googl<4>[ 34.064179] CR2: ffff97bcc2b14240 <4>[ 34.074382] ---[ end trace c8f77ca8824754ba ]--- <4>[ 34.079848] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.084517] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 34.105780] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 34.111904] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.120164] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 34.128422] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.136681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.144942] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 34.153202] FS: 00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 34.162530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.169237] CR2: ffff97bcc2b14240 CR3: 000000010345a001 CR4: 00000000003706e0 <3>[ 34.177499] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.187701] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1612, name: cat <4>[ 34.196445] INFO: lockdep is turned off. <4>[ 34.201114] irq event stamp: 0 <4>[ 34.204811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.212101] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 34.221526] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 34.230952] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.238234] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 34.247174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.254266] Call Trace: <4>[ 34.257285] dump_stack+0x77/0x9b <4>[ 34.261275] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.266137] exit_signals+0x1c/0x300 <4>[ 34.270412] do_exit+0xc2/0xab0 e Rammus/Rammus, BIOS 09/04/2020 # [ 30.441634] RIP: 0010:lk<4>[ 34.274209] ? ksys_write+0x68/0xf0 <4>[ 34.284605] make_task_dead+0x2f/0x30 <4>[ 34.288984] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.294525] RIP: 0033:0x7f50ecb5d473 <4>[ 34.298804] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 34.320080] RSP: 002b:00007ffcdcba2f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.328827] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f50ecb5d473 <4>[ 34.337089] RDX: 000000000000000d RSI: 00007f50eca51000 RDI: 0000000000000001 <4>[ 34.345356] RBP: 00007f50eca51000 R08: 00007f50eca50010 R09: 0000000000000000 <4>[ 34.353617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.361877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 30.448536] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 f0 96 9f 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 63 de fb ff 48 c7 c7 30 97 9f 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 46 de fb ff # [ 30.469812] RSP: 0018:ffffac1c0189fe50 EFLAGS: 00010246 # [ 30.475928] RAX: 0000000000000038 RBX: ffffac1c0189c000 RCX: 0000000000000000 # [ 30.484189] RDX: 0000000000000000 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9730 # [ 30.492449] RBP: ffffffff859f8dfb R08: 0000000000000000 R09: 0000000000000000 # [ 30.500710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 30.508971] R13: ffffac1c0189ff10 R14: ffffac1c0189ff10 R15: ffff97bcc3272000 # [ 30.517232] FS: 00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 30.526561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.533267] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0 # [ 30.541528] Call Trace: # [ <6>[ 34.466858] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 34.475769] lkdtm: attempting ok execution at ffffffff84579e50 30.544543] <#DF> # [ 30.547077] ? __die_body.cold+0x1a/0x1f<6>[ 34.482588] lkdtm: attempting bad execution at ffffac1c002eb000 <2>[ 34.495706] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 34.504387] BUG: unable to handle page fault for address: ffffac1c002eb000 <1>[ 34.512365] #PF: supervisor instruction fetch in kernel mode <1>[ 34.518975] #PF: error_code(0x0011) - permissions violation <6>[ 34.525488] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009d3067 PTE 8000000103779063 <4>[ 34.534821] Oops: 0011 [#8] SMP PTI <4>[ 34.539005] CPU: 2 PID: 1648 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 34.547937] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.555034] RIP: 0010:0xffffac1c002eb000 <4>[ 34.559703] Code: Unable to access opcode bytes at RIP 0xffffac1c002eafd6. <4>[ 34.567662] RSP: 0018:ffffac1c02247e38 EFLAGS: 00010246 <4>[ 34.573786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.582046] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 34.590306] RBP: ffffac1c002eb000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.598565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 34.606825] R13: ffffac1c02247f10 R14: ffffac1c02247f10 R15: ffff97bcc3779000 <4>[ 34.615086] FS: 00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 34.624415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.631121] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0 <4>[ 34.639382] Call Trace: <4>[ 34.642423] ? __die_body.cold+0x1a/0x1f <4>[ 34.647091] ? no_context+0x177/0x380 <4>[ 34.651462] ? exc_page_fault+0xd7/0x170 <4>[ 34.656129] ? asm_exc_page_fault+0x1e/0x30 # [ 30.551745] ? die+0x2b/0x50 # [ 30.555248] ? handle_<4>[ 34.661094] ? execute_location+0x45/0x56 <4>[ 34.672072] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 34.677030] ? direct_entry.cold+0x2c/0x38 <4>[ 34.681894] ? full_proxy_write+0x53/0x80 <4>[ 34.686661] ? vfs_write+0xe7/0x3b0 <4>[ 34.690835] ? ksys_write+0x68/0xf0 <4>[ 34.695021] ? do_syscall_64+0x30/0x40 <4>[ 34.699495] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 stack_overflow+0x3e/0x4d # [ 30.560500] ? no_context+0x24d/0<4>[ 34.705616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 34.764607] CR2: ffffac1c002eb000 <4>[ 34.768595] ---[ end trace c8f77ca8824754bb ]--- <4>[ 34.774040] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.778700] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 34.799967] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 34.806091] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.814355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 34.822616] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.830876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.839138] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 34.847407] FS: 00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 34.856735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.863441] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0 x380 # [ 30.564875] # [ 30.567502] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 30.626502] ---[ end trace c8f77ca8824754b6 ]--- # [ 30.631949] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.636617] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # <6>[ 34.956263] lkdtm: Performing direct entry EXEC_RODATA <6>[ 34.964809] lkdtm: attempting ok execution at ffffffff84579e50 [ 30.657891] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ <6>[ 34.971631] lkdtm: attempting bad execution at ffffffff8557ed60 <2>[ 34.984767] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 30.664006] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 00<1>[ 34.993423] BUG: unable to handle page fault for address: ffffffff8557ed60 <1>[ 35.007609] #PF: supervisor instruction fetch in kernel mode <1>[ 35.014218] #PF: error_code(0x0011) - permissions violation <6>[ 35.020730] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 80000000414000e1 <4>[ 35.028509] Oops: 0011 [#9] SMP PTI <4>[ 35.032691] CPU: 2 PID: 1684 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 35.041633] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.048733] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 35.054760] Code: ff ff 08 cc c0 84 ff ff ff ff 8a 91 9f 85 ff ff ff ff 4e b3 c0 84 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 35.076034] RSP: 0018:ffffac1c022efe48 EFLAGS: 00010246 <4>[ 35.082157] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 35.090419] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 35.098677] RBP: ffffffff8557ed60 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.106937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 35.115199] R13: ffffac1c022eff10 R14: ffffac1c022eff10 R15: ffff97bcc29c8000 <4>[ 35.123460] FS: 00007fed63d83580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 35.132788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.139495] CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000000003706e0 <4>[ 35.147753] Call Trace: <4>[ 35.150772] ? __die_body.cold+0x1a/0x1f <4>[ 35.155441] ? no_context+0x177/0x380 <4>[ 35.159810] ? exc_page_fault+0xd7/0x170 <4>[ 35.164480] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.169436] ? execute_location+0x45/0x56 <4>[ 35.174202] ? direct_entry.cold+0x2c/0x38 <4>[ 35.179065] ? full_proxy_write+0x53/0x80 <4>[ 35.183832] ? vfs_write+0xe7/0x3b0 <4>[ 35.188015] ? ksys_write+0x68/0xf0 <4>[ 35.192191] ? do_syscall_64+0x30/0x40 <4>[ 35.196666] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 00000000000000 # [ 30.672268] RDX: 0000000000000000 RSI: ffff<4>[ 35.202785] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.261779] CR2: ffffffff8557ed60 <4>[ 35.265758] ---[ end trace c8f77ca8824754bc ]--- <4>[ 35.271205] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.275872] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 35.297147] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 35.303271] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.311531] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 35.319791] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.328051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.336311] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 35.344572] FS: 00007fed63d83580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 35.353901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.360608] CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000000003706e0 97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 30.680528] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 30.688788] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.697049] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 30.705309] FS: 00007f2f4fcf0580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 30.714638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.721357] CR2: ffffac1c018a0000 CR3: 000000010347e006 CR4: 00000000003706e0 # [ 30.729618] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.739821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 996, name: cat # [ 30.748469] INFO: lockdep is turned off. # [ 30.753136] irq event stamp: 0 # [ 30.756833] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.764113] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 30.773540] softirqs last enabled at <6>[ 35.463468] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 35.474675] lkdtm: attempting ok execution at ffffffff84579e50 <6>[ 35.481502] lkdtm: attempting bad execution at 00007f9b13881000 <2>[ 35.488420] unable to execute userspace code (SMEP?) (uid: 0) (0): [] copy_process+0x664/0x1c60 # [ 30.78<1>[ 35.495152] BUG: unable to handle page fault for address: 00007f9b13881000 <1>[ 35.509357] #PF: supervisor instruction fetch in kernel mode <1>[ 35.515967] #PF: error_code(0x0011) - permissions violation <6>[ 35.522480] PGD 800000010367c067 P4D 800000010367c067 PUD 102f5d067 PMD 102f5c067 PTE 10b153067 <4>[ 35.532493] Oops: 0011 [#10] SMP PTI <4>[ 35.536773] CPU: 2 PID: 1720 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 35.545713] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.552810] RIP: 0010:0x7f9b13881000 <4>[ 35.557089] Code: Unable to access opcode bytes at RIP 0x7f9b13880fd6. <4>[ 35.564669] RSP: 0018:ffffac1c02387e50 EFLAGS: 00010246 <4>[ 35.570794] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 35.579055] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 35.587315] RBP: 00007f9b13881000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.595575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 35.603835] R13: ffffac1c02387f10 R14: ffffac1c02387f10 R15: ffff97bcc3478000 <4>[ 35.612094] FS: 00007f9b13852580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 35.621423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.628130] CR2: 00007f9b13881000 CR3: 000000010347e001 CR4: 00000000003706e0 <4>[ 35.636406] Call Trace: <4>[ 35.639426] ? __die_body.cold+0x1a/0x1f <4>[ 35.644096] ? no_context+0x177/0x380 <4>[ 35.648475] ? exc_page_fault+0x53/0x170 <4>[ 35.653144] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.658110] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 35.663749] ? direct_entry.cold+0x2c/0x38 <4>[ 35.668613] ? full_proxy_write+0x53/0x80 <4>[ 35.673379] ? vfs_write+0xe7/0x3b0 <4>[ 35.677581] ? ksys_write+0x68/0xf0 <4>[ 35.681765] ? do_syscall_64+0x30/0x40 <4>[ 35.686239] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 2965] softirqs last disabled at (0): [<0000000000000000>] 0x0 #<4>[ 35.692362] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 35.751321] CR2: 00007f9b13881000 <4>[ 35.755300] ---[ end trace c8f77ca8824754bd ]--- <4>[ 35.760746] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.765413] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 35.786687] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 35.792812] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.801072] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 35.809357] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.817617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.825878] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 35.834140] FS: 00007f9b13852580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 35.843467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.850175] CR2: 00007f9b13881000 CR3: 000000010347e001 CR4: 00000000003706e0 <3>[ 35.858436] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.868640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat <4>[ 35.877385] INFO: lockdep is turned off. <4>[ 35.882054] irq event stamp: 0 <4>[ 35.885750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.893040] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 35.902485] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 35.911911] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.919200] CPU: 2 PID: 1720 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 35.928140] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.935236] Call Trace: <4>[ 35.938254] dump_stack+0x77/0x9b <4>[ 35.942243] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.947106] exit_signals+0x1c/0x300 <4>[ 35.951384] do_exit+0xc2/0xab0 <4>[ 35.955179] ? ksys_write+0x68/0xf0 <4>[ 35.959361] make_task_dead+0x2f/0x30 <4>[ 35.963739] rewind_stack_and_make_dead+0x17/0x20 <4>[ 35.969280] RIP: 0033:0x7f9b13768473 <4>[ 35.973558] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 35.994829] RSP: 002b:00007fffff074d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.003575] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f9b13768473 <4>[ 36.011835] RDX: 000000000000000f RSI: 00007f9b1365c000 RDI: 0000000000000001 <4>[ 36.020096] RBP: 00007f9b1365c000 R08: 00007f9b1365b010 R09: 0000000000000000 <4>[ 36.028356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.036617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.790255] CPU: 3 PID: 996 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 30.799098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.806192] Call Trace: # [ 30.809210] dump_stack+0x77/0x9b # [ 30.813191] ___might_sleep.cold+0xa6/0xb6 # [ 30.818055] exit_signals+0x1c/0x300 # [ 30.822356] do_exit+0xc2/0xab0 # [ 30.826152] ? ksys_write+0x68/0xf0 # [ 30.830359] make_task_dead+0x2f/0x30 # [ 30.834736] rewind_stack_and_make_dead+0x17/0x20 # [ 30.840269] RIP: 0033:0x7f2f4fc06473 # [ 30.844547] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.865820] RSP: 002b:00007ffd6f7b0368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.874567] RAX: ffffffffffffffda RBX:<6>[ 36.130466] lkdtm: Performing direct entry EXEC_NULL <6>[ 36.137761] lkdtm: attempting ok execution at ffffffff84579e50 <6>[ 36.144570] lkdtm: attempting bad execution at 0000000000000000 <1>[ 36.151498] BUG: kernel NULL pointer dereference, address: 0000000000000000 000000000000001a RCX: 00007f2f4fc06473 # [ 30.882828] RDX: 0<1>[ 36.159573] #PF: supervisor instruction fetch in kernel mode <1>[ 36.172415] #PF: error_code(0x0010) - not-present page <6>[ 36.178443] PGD 0 P4D 0 <4>[ 36.181557] Oops: 0010 [#11] SMP PTI <4>[ 36.185837] CPU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 36.194769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.201865] RIP: 0010:0x0 <4>[ 36.205077] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 36.213046] RSP: 0018:ffffac1c023d7e48 EFLAGS: 00010246 <4>[ 36.219170] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 36.227431] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 36.235691] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.243952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 36.252213] R13: ffffac1c023d7f10 R14: ffffac1c023d7f10 R15: ffff97bcc342e000 <4>[ 36.260474] FS: 00007fb966ea2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 36.269804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.276510] CR2: ffffffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0 <4>[ 36.284771] Call Trace: <4>[ 36.287791] ? __die_body.cold+0x1a/0x1f <4>[ 36.292461] ? no_context+0x177/0x380 <4>[ 36.296831] ? exc_page_fault+0x53/0x170 <4>[ 36.301500] ? asm_exc_page_fault+0x1e/0x30 <4>[ 36.306464] execute_location+0x45/0x56 <4>[ 36.311035] direct_entry.cold+0x2c/0x38 <4>[ 36.315705] full_proxy_write+0x53/0x80 <4>[ 36.320279] vfs_write+0xe7/0x3b0 <4>[ 36.324268] ksys_write+0x68/0xf0 <4>[ 36.328259] do_syscall_64+0x30/0x40 <4>[ 36.332539] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 36.338461] RIP: 0033:0x7fb966db8473 <4>[ 36.342731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.364005] RSP: 002b:00007ffe3cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.372751] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb966db8473 <4>[ 36.381013] RDX: 000000000000000a RSI: 00007fb966cac000 RDI: 0000000000000001 <4>[ 36.389274] RBP: 00007fb966cac000 R08: 00007fb966cab010 R09: 0000000000000000 <4>[ 36.397535] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.405797] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000001a RSI: 00007f2f4fafa000 RDI: 0000000000000001 # [<4>[ 36.414062] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 36.473053] CR2: 0000000000000000 <4>[ 36.477032] ---[ end trace c8f77ca8824754be ]--- <4>[ 36.482479] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.487148] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 36.508421] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 36.514544] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.522804] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 36.531065] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.539324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.547585] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 36.555846] FS: 00007fb966ea2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 36.565175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.571880] CR2: ffffffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0 <3>[ 36.580143] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.590358] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat <4>[ 36.599106] INFO: lockdep is turned off. <4>[ 36.603774] irq event stamp: 0 <4>[ 36.607470] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.614762] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 36.624180] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 36.633595] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.640885] CPU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 36.649826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.656920] Call Trace: <4>[ 36.659938] dump_stack+0x77/0x9b <4>[ 36.663920] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.668784] exit_signals+0x1c/0x300 <4>[ 36.673063] do_exit+0xc2/0xab0 <4>[ 36.676857] ? ksys_write+0x68/0xf0 <4>[ 36.681032] make_task_dead+0x2f/0x30 <4>[ 36.685410] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.690951] RIP: 0033:0x7fb966db8473 <4>[ 36.695229] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.716504] RSP: 002b:00007ffe3cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.725244] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb966db8473 <4>[ 36.733505] RDX: 000000000000000a RSI: 00007fb966cac000 RDI: 0000000000000001 <4>[ 36.741766] RBP: 00007fb966cac000 R08: 00007fb966cab010 R09: 0000000000000000 <4>[ 36.750027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.758288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 30.891087] RBP: 00007f2f4fafa000 R08: 00007f2f4faf9010 R09: 0000000000000000 # [ 30.899357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.907618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 31.005674] lkdtm: Performing direct entry UNSET_SMEP # [ 31.015080] lkdtm: trying to clear SMEP normally # [ 31.020545] ------------[ cut here ]------------ # [ 31.026004] pinned CR4 bits changed: 0x100000!? # [ 31.031408] WARNING: CPU: 3 PID: 1032 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 31.041933] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core video<6>[ 36.865108] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 36.872545] lkdtm: attempting bad read at 00007f8363ac1000 buf2_memops cros_ec_chardev cros_usbpd_logger snd_compress video<1>[ 36.878994] BUG: unable to handle page fault for address: 00007f8363ac1000 <1>[ 36.893170] #PF: supervisor read access in kernel mode <1>[ 36.899196] #PF: error_code(0x0001) - permissions violation <6>[ 36.905707] PGD 80000001037e5067 P4D 80000001037e5067 PUD 1035cd067 PMD 103503067 PTE 10b1ca067 <4>[ 36.915718] Oops: 0001 [#12] SMP PTI <4>[ 36.919989] CPU: 2 PID: 1791 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 36.928928] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.936026] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 36.942537] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 9e 9f 85 e8 d7 d7 fb ff 48 c7 c7 d0 9e 9f 85 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 be d7 fb ff 48 89 ee 48 c7 c7 f8 9e 9f <4>[ 36.963809] RSP: 0018:ffffac1c02477e48 EFLAGS: 00010246 <4>[ 36.969933] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 36.978185] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffffffff859f9ed0 <4>[ 36.986437] RBP: 00007f8363ac1000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.994696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 37.002957] R13: ffffac1c02477f10 R14: ffffac1c02477f10 R15: ffff97bcc3668000 <4>[ 37.011216] FS: 00007f8363a92580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 37.020544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.027250] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR4: 00000000003706e0 <4>[ 37.035508] Call Trace: <4>[ 37.038527] ? __die_body.cold+0x1a/0x1f <4>[ 37.043196] ? no_context+0x177/0x380 <4>[ 37.047574] ? exc_page_fault+0x53/0x170 <4>[ 37.052243] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.057206] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 37.063039] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 37.068873] direct_entry.cold+0x2c/0x38 <4>[ 37.073532] full_proxy_write+0x53/0x80 <4>[ 37.078103] vfs_write+0xe7/0x3b0 <4>[ 37.082092] ksys_write+0x68/0xf0 <4>[ 37.086083] do_syscall_64+0x30/0x40 <4>[ 37.090364] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 37.096294] RIP: 0033:0x7f83639a8473 <4>[ 37.100566] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 37.121839] RSP: 002b:00007ffc34378f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.130577] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f83639a8473 <4>[ 37.138838] RDX: 0000000000000011 RSI: 00007f836389c000 RDI: 0000000000000001 <4>[ 37.147097] RBP: 00007f836389c000 R08: 00007f836389b010 R09: 0000000000000000 <4>[ 37.155357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.163614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 buf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common<4>[ 37.171878] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 37.230866] CR2: 00007f8363ac1000 <4>[ 37.234855] ---[ end trace c8f77ca8824754bf ]--- <4>[ 37.240301] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.244969] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 37.266241] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 37.272364] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.280624] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 37.288884] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.297142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.305410] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 37.313671] FS: 00007f8363a92580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 37.323000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.329705] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR4: 00000000003706e0 snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 31.100889] CPU: 3 PID: 1032 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 31.109834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.116936] RIP: 0010:native_write_cr4+0x45/0x60 # [ 31.122415] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f0 33 46 02 00 75 f2 48 c7 c7 28 73 8f 85 c6 05 e0 33 46 02 01 e8 a2 10 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 31.143694] RSP: 0018:ffffac1c0191fe48 EFLAGS: 00010286 # [ 31.149823] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 31.158086] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70 # [ 31.166365] RBP: ffffffff859f8e15 R08: 0000000000000000 R09: 0000000000000000 # [ 31.180842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 31.189110] R13: ffffac1c0191ff10 R14: ffffac1c0191ff10 R15: ffff97bcc5f7c000 # [ 31.203586] FS: 00007f1265170580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 31.212918] CS: 0010 D<6>[ 37.443903] lkdtm: Performing direct entry ACCESS_NULL <6>[ 37.455926] lkdtm: attempting bad read at 0000000000000000 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.219629] CR2: 00<1>[ 37.462364] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 37.476633] #PF: supervisor read access in kernel mode <1>[ 37.482659] #PF: error_code(0x0000) - not-present page <6>[ 37.488687] PGD 0 P4D 0 <4>[ 37.491804] Oops: 0000 [#13] SMP PTI <4>[ 37.496074] CPU: 2 PID: 1826 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 37.505007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.512104] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 37.517644] Code: 7b d7 fb ff be 00 10 00 00 48 89 ef e8 4d 96 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 9e 9f 85 e8 55 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 9e 9f 85 48 01 <4>[ 37.538916] RSP: 0018:ffffac1c024dfe58 EFLAGS: 00010246 <4>[ 37.545039] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 37.553298] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 37.561557] RBP: ffffffff859f8f99 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.569818] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 37.578079] R13: ffffac1c024dff10 R14: ffffac1c024dff10 R15: ffff97bcc6f5d000 <4>[ 37.586357] FS: 00007f1a51d62580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 37.595676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.602383] CR2: 0000000000000000 CR3: 0000000103646004 CR4: 00000000003706e0 <4>[ 37.610660] Call Trace: <4>[ 37.613680] ? __die_body.cold+0x1a/0x1f <4>[ 37.618361] ? no_context+0x177/0x380 <4>[ 37.622740] ? exc_page_fault+0x53/0x170 <4>[ 37.627415] ? asm_exc_page_fault+0x1e/0x30 <4>[ 37.632378] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 37.637240] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 37.642102] direct_entry.cold+0x2c/0x38 <4>[ 37.646771] full_proxy_write+0x53/0x80 <4>[ 37.651359] vfs_write+0xe7/0x3b0 <4>[ 37.655360] ksys_write+0x68/0xf0 <4>[ 37.659358] do_syscall_64+0x30/0x40 <4>[ 37.663636] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 37.669565] RIP: 0033:0x7f1a51c78473 <4>[ 37.673843] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 37.695114] RSP: 002b:00007ffe849cd088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.703859] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1a51c78473 <4>[ 37.712118] RDX: 000000000000000c RSI: 00007f1a51b6c000 RDI: 0000000000000001 <4>[ 37.720377] RBP: 00007f1a51b6c000 R08: 00007f1a51b6b010 R09: 0000000000000000 <4>[ 37.728637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.736896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 007f1264f7a000 CR3: 00000001030b0006 CR4: 00000000003706e0 # [ <4>[ 37.745158] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 37.804144] CR2: 0000000000000000 <4>[ 37.808131] ---[ end trace c8f77ca8824754c0 ]--- <4>[ 37.813575] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.818244] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 37.839516] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 37.845639] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.853898] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 37.862157] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.870415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.878673] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 37.886933] FS: 00007f1a51d62580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 37.896259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.902966] CR2: 0000000000000000 CR3: 0000000103646004 CR4: 00000000003706e0 31.227892] Call Trace: # [ 31.230918] ? __warn+0x80/0x110 # [ 31.234842] ? native_write_cr4+0x45/0x60 # [ 31.239613] ? report_bug+0x9e/0xc0 # [ 31.243820] ? handle_bug+0x41/0x90 # [ 31.248006] ? exc_invalid_op+0x14/0x70 # [ 31.252580] ? asm_exc_invalid_op+0x12/0x20 # [ 31.257550] ? native_write_cr4+0x45/0x60 # [ 31.262363] ? native_write_cr4+0x45/0x60 # [ 31.273369] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 31.284743] direct_entry.cold+0x2c/0x38 # [ 31.295636] full_proxy_write+0x53/0x80 # [ 31.306423] vfs_write+0xe7/0x3b0 # [ 31.316633] ksys_write+0x68/0xf0 # [ 31.326841] do_syscall_64+0x30/0x40 # [ 31.337338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.349485] RIP: 0033:0x7f1265086473 # [ 31.359984] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2<6>[ 38.002350] lkdtm: Performing direct entry WRITE_RO <6>[ 38.010227] lkdtm: attempting bad rodata write at ffffffff8557ed50 <1>[ 38.017460] BUG: unable to handle page fault for address: ffffffff8557ed50 <1>[ 38.025435] #PF: supervisor write access in kernel mode <1>[ 38.031560] #PF: error_code(0x0003) - permissions violation <6>[ 38.038072] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 80000000414000e1 <4>[ 38.045848] Oops: 0003 [#14] SMP PTI <4>[ 38.050128] CPU: 2 PID: 1861 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 38.059059] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.066155] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 38.071412] Code: 00 48 c7 c7 88 9d 9f 85 48 c7 c6 50 ed 57 85 e8 ff d9 fb ff 48 8b 05 b7 36 97 00 ba 34 12 cd ab 48 c7 c7 b8 9d 9f 85 48 31 d0 <48> 89 05 a1 36 97 00 e9 dd d9 fb ff 0f 1f 44 00 00 48 8b 05 70 2c <4>[ 38.092686] RSP: 0018:ffffac1c0249fe60 EFLAGS: 00010202 <4>[ 38.098802] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 38.107062] RDX: 00000000abcd1234 RSI: ffff97bd3ad1bf70 RDI: ffffffff859f9db8 <4>[ 38.115323] RBP: ffffffff859f8fa5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.123585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 38.131846] R13: ffffac1c0249ff10 R14: ffffac1c0249ff10 R15: ffff97bcc31a4000 <4>[ 38.140106] FS: 00007f9ccc940580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 38.149433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.156137] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 00000000003706e0 <4>[ 38.164409] Call Trace: <4>[ 38.167429] ? __die_body.cold+0x1a/0x1f <4>[ 38.172098] ? no_context+0x177/0x380 <4>[ 38.176475] ? exc_page_fault+0xd7/0x170 <4>[ 38.181143] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.186105] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 38.190674] direct_entry.cold+0x2c/0x38 <4>[ 38.195360] full_proxy_write+0x53/0x80 <4>[ 38.199932] vfs_write+0xe7/0x3b0 <4>[ 38.203911] ksys_write+0x68/0xf0 <4>[ 38.207900] do_syscall_64+0x30/0x40 <4>[ 38.212179] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.218108] RIP: 0033:0x7f9ccc856473 <4>[ 38.222387] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.243658] RSP: 002b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.252409] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ccc856473 <4>[ 38.260667] RDX: 0000000000000009 RSI: 00007f9ccc74a000 RDI: 0000000000000001 <4>[ 38.268926] RBP: 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000 <4>[ 38.277186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.285446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 48 89 54 24 18 # [ 31.387473] RSP: 002b:00007fffd30e2a88 EF<4>[ 38.293709] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 38.352696] CR2: ffffffff8557ed50 <4>[ 38.356684] ---[ end trace c8f77ca8824754c1 ]--- <4>[ 38.362129] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.366795] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 38.388066] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 38.394189] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.402448] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 38.410707] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.418967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.427227] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 38.435486] FS: 00007f9ccc940580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 38.444813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.451520] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 00000000003706e0 <3>[ 38.459778] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 38.469979] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat <4>[ 38.478723] INFO: lockdep is turned off. <4>[ 38.483406] irq event stamp: 0 <4>[ 38.487102] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.494410] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.503837] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 38.513252] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.520539] CPU: 2 PID: 1861 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 38.529478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.536571] Call Trace: <4>[ 38.539590] dump_stack+0x77/0x9b <4>[ 38.543579] ___might_sleep.cold+0xa6/0xb6 <4>[ 38.548442] exit_signals+0x1c/0x300 <4>[ 38.552720] do_exit+0xc2/0xab0 <4>[ 38.556515] ? ksys_write+0x68/0xf0 <4>[ 38.560696] make_task_dead+0x2f/0x30 <4>[ 38.565072] rewind_stack_and_make_dead+0x17/0x20 <4>[ 38.570614] RIP: 0033:0x7f9ccc856473 <4>[ 38.574891] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.596163] RSP: 002b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.604900] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ccc856473 <4>[ 38.613159] RDX: 0000000000000009 RSI: 00007f9ccc74a000 RDI: 0000000000000001 <4>[ 38.621417] RBP: 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000 <4>[ 38.629675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.637935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.402443] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1265086473 # [ 31.416922] RDX: 000000000000000b RSI: 00007f1264f7a000 RDI: 0000000000000001 # [ 31.431404] RBP: 00007f1264f7a000 R08: 00007f1264f79010 R09: 0000000000000000 # [ 31.445881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.454148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.468629] irq event stamp: 0 # [ 31.478542] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.492053] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 31.507702] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 31.523345] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.530642] ---[ end trace c8f77ca8824754b7 ]--- # [ 31.542302] lkdtm: ok: SMEP did not get cleared # [ 31.553869] lkdtm: trying to clear SMEP with call gadget # [ 31.566309] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.<6>[ 38.755170] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 38.764933] lkdtm: attempting bad ro_after_init write at ffffffff85a7e330 sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 31.645077] lkdtm:<1>[ 38.772824] BUG: unable to handle page fault for address: ffffffff85a7e330 <1>[ 38.786995] #PF: supervisor write access in kernel mode <1>[ 38.793119] #PF: error_code(0x0003) - permissions violation <6>[ 38.799631] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 1028da063 PTE 8000000041a7e061 <4>[ 38.808671] Oops: 0003 [#15] SMP PTI <4>[ 38.812950] CPU: 3 PID: 1896 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 38.821887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.828985] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 38.835303] Code: 9d 9f 85 e9 b1 d9 fb ff 48 c7 c7 10 9e 9f 85 e8 a5 d9 fb ff 48 8b 05 3d 2c e7 00 ba 34 12 cd ab 48 c7 c7 b8 9d 9f 85 48 31 d0 <48> 89 05 27 2c e7 00 e9 83 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 38.856572] RSP: 0018:ffffac1c025e7e60 EFLAGS: 00010202 <4>[ 38.862694] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 38.870954] RDX: 00000000abcd1234 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9db8 <4>[ 38.879214] RBP: ffffffff859f8fae R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.887471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 38.895730] R13: ffffac1c025e7f10 R14: ffffac1c025e7f10 R15: ffff97bcc2996000 <4>[ 38.903989] FS: 00007f656773b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 38.913316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.920022] CR2: ffffffff85a7e330 CR3: 00000001029ca004 CR4: 00000000003706e0 <4>[ 38.928283] Call Trace: <4>[ 38.931302] ? __die_body.cold+0x1a/0x1f <4>[ 38.935972] ? no_context+0x177/0x380 <4>[ 38.940360] ? exc_page_fault+0xd7/0x170 <4>[ 38.945028] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.949990] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 38.955629] direct_entry.cold+0x2c/0x38 <4>[ 38.960298] full_proxy_write+0x53/0x80 <4>[ 38.964871] vfs_write+0xe7/0x3b0 <4>[ 38.968861] ksys_write+0x68/0xf0 <4>[ 38.972850] do_syscall_64+0x30/0x40 <4>[ 38.977127] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.983057] RIP: 0033:0x7f6567651473 <4>[ 38.987356] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.008626] RSP: 002b:00007ffd7e726228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.017372] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6567651473 <4>[ 39.025630] RDX: 0000000000000014 RSI: 00007f6567545000 RDI: 0000000000000001 <4>[ 39.033891] RBP: 00007f6567545000 R08: 00007f6567544010 R09: 0000000000000000 <4>[ 39.042151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.050410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Performing direct entry DOUBLE_FAULT # [ 31.652505] lkdtm: X<4>[ 39.058674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 39.117661] CR2: ffffffff85a7e330 <4>[ 39.121648] ---[ end trace c8f77ca8824754c2 ]--- <4>[ 39.127093] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.131751] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 39.153021] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 39.159145] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.167406] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 39.175657] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.183915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.192176] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 39.200435] FS: 00007f656773b580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 39.209764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.216468] CR2: ffffffff85a7e330 CR3: 00000001029ca004 CR4: 00000000003706e0 FAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 31.731820] lkdtm: Performing direct entry CORRUPT_PAC # [ 31.738562] 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 # [ 31.805094] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 31.813794] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 31.949311] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 39.330218] lkdtm: Performing direct entry WRITE_KERN # [ 31.958603] lkdtm: Value in memory before free: 12345678 #<6>[ 39.336373] lkdtm: attempting bad 6887363 byte write at ffffffff84c0b613 [ 31.971044] lkdtm: Attempting bad read from freed memory # <1>[ 39.350373] BUG: unable to handle page fault for address: ffffffff84c0b613 <1>[ 39.364540] #PF: supervisor write access in kernel mode <1>[ 39.370664] #PF: error_code(0x0003) - permissions violation <6>[ 39.377175] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 40c000e1 <4>[ 39.384176] Oops: 0003 [#16] SMP PTI <4>[ 39.388457] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 39.397396] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.983484] lkdtm: Memory was not poisoned # READ_AFTER_FREE<4>[ 39.404514] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 39.416167] Code: 53 48 c7 c3 13 b6 c0 84 49 89 dc 48 89 da 49 81 ec 50 9e 57 84 4c 89 e6 e8 58 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 9e 57 84 a4 48 c7 c7 b8 9d 9f 85 e8 3d d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 39.437427] RSP: 0018:ffffac1c02687e50 EFLAGS: 00010246 <4>[ 39.443550] RAX: 000000000000003c RBX: ffffffff84c0b613 RCX: 00000000006917c3 <4>[ 39.451811] RDX: 0000000000000000 RSI: ffffffff84579e50 RDI: ffffffff84c0b613 <4>[ 39.460069] RBP: ffffffff859f8fc2 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.468329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006917c3 <4>[ 39.476613] R13: ffffac1c02687f10 R14: ffffac1c02687f10 R15: ffff97bcc371b000 <4>[ 39.484873] FS: 00007f041f2ac580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 <4>[ 39.494200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.500905] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0 <4>[ 39.509165] Call Trace: <4>[ 39.512184] ? __die_body.cold+0x1a/0x1f : missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: REA<4>[ 39.516855] ? no_context+0x177/0x380 <4>[ 39.527443] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 D_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_<4>[ 39.533181] ? exc_page_fault+0xd7/0x170 <4>[ 39.544061] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.549019] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 39.554757] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 39.559910] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 39.565646] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 39.570411] direct_entry.cold+0x2c/0x38 <4>[ 39.575070] full_proxy_write+0x53/0x80 FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on f<4>[ 39.579643] vfs_write+0xe7/0x3b0 <4>[ 39.589841] ksys_write+0x68/0xf0 <4>[ 39.593831] do_syscall_64+0x30/0x40 <4>[ 39.598109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 39.604040] RIP: 0033:0x7f041f1c2473 <4>[ 39.608311] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.629583] RSP: 002b:00007ffdad18b998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.638328] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c2473 <4>[ 39.646613] RDX: 000000000000000b RSI: 00007f041f0b6000 RDI: 0000000000000001 <4>[ 39.654873] RBP: 00007f041f0b6000 R08: 00007f041f0b5010 R09: 0000000000000000 <4>[ 39.663133] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.671410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ailure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP<4>[ 39.679674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 39.738625] CR2: ffffffff84c0b613 <4>[ 39.742604] ---[ end trace c8f77ca8824754c3 ]--- <4>[ 39.748039] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.752708] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 <4>[ 39.773969] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 <4>[ 39.780093] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.788355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 39.796613] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.804871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.813131] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 <4>[ 39.821410] FS: 00007f041f2ac580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 <4>[ 39.830736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.837441] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0 <3>[ 39.845700] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.855900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat <4>[ 39.864644] INFO: lockdep is turned off. <4>[ 39.869310] irq event stamp: 0 <4>[ 39.873006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.880294] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.889719] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 39.899144] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.906434] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 39.915374] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.922470] Call Trace: <4>[ 39.925487] dump_stack+0x77/0x9b <4>[ 39.929476] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.934361] exit_signals+0x1c/0x300 # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 32.091231]<4>[ 39.938643] do_exit+0xc2/0xab0 <4>[ 39.948648] ? ksys_write+0x68/0xf0 <4>[ 39.952821] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 39.958546] make_task_dead+0x2f/0x30 <4>[ 39.962923] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.968463] RIP: 0033:0x7f041f1c2473 <4>[ 39.972741] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.994011] RSP: 002b:00007ffdad18b998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.002755] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c2473 <4>[ 40.011013] RDX: 000000000000000b RSI: 00007f041f0b6000 RDI: 0000000000000001 <4>[ 40.019272] RBP: 00007f041f0b6000 R08: 00007f041f0b5010 R09: 0000000000000000 <4>[ 40.027531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.035788] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 32.101034] lkdtm: Value in memory before free: 12345678 # [ 32.113482] lkdtm: Attempting to read from freed memory # [ 32.125833] 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 # [ 32.204128] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 32.212151] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 32.290953] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 32.298822] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 32.378454] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 32.385830] 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 <6>[ 40.162436] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP<6>[ 40.175365] lkdtm: attempting good refcount_inc() without overflow : Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP<6>[ 40.188775] lkdtm: attempting bad refcount_inc() overflow <4>[ 40.201310] ------------[ cut here ]------------ # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hang<4>[ 40.206759] refcount_t: saturated; leaking memory. s the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # se<4>[ 40.218642] WARNING: CPU: 1 PID: 1966 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 lftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the sy<4>[ 40.234549] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table stem ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: <4>[ 40.293505] CPU: 1 PID: 1966 Comm: cat Tainted: G D W 5.10.185-cip35 #1 lkdtm: EXEC_DATA.sh # Killed # [ 32.566139] lkdtm: Performin<4>[ 40.308661] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 g direct entry EXEC_DATA # [ 32.577720] lkdtm: attempting ok <4>[ 40.321995] RIP: 0010:refcount_warn_saturate+0x51/0x110 execution at ffffffff84579e50 # [ 32.584580] lkdtm: attemptin<4>[ 40.334317] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 g bad execution at ffffffff8740ebe0 # [ 32.591502] kernel tri<4>[ 40.361805] RSP: 0018:ffffac1c02707e48 EFLAGS: 00010286 ed to execute NX-protected page - exploit attempt? (uid: 0) # [<4>[ 40.374151] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 40.388626] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 32.606358] BUG: unable to handle page fault for address: ffff<4>[ 40.396892] RBP: ffffffff859f8fcd R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.411365] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffff8740ebe0 # [ 32.614328] #PF: supervisor instruction fetch<4>[ 40.419630] R13: ffffac1c02707f10 R14: ffffac1c02707f10 R15: ffff97bcc3449000 in kernel mode # [ 32.620935] #PF: error_code(0x0011) - perm<4>[ 40.434103] FS: 00007fdd5fcb0580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 <4>[ 40.449651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 issions violation # [ 32.627448] PGD 41c29067 P4D 41c29067 PU<4>[ 40.456361] CR2: 00007fdd5faba000 CR3: 00000001031ac006 CR4: 00000000003706e0 <4>[ 40.470832] Call Trace: D 41c2a063 PMD 80000000434000e3 # [ 32.635226] Oops: 0011 [#<4>[ 40.473876] ? __warn+0x80/0x110 5] SMP PTI # [ 32.639421] CPU: 3 PID: 1539 Comm: cat Tainted:<4>[ 40.483959] ? refcount_warn_saturate+0x51/0x110 G D W 5.10.185-cip35 #1 # [ 32.648361] Hardware<4>[ 40.495622] ? report_bug+0x9e/0xc0 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.655458] <4>[ 40.506023] ? handle_bug+0x41/0x90 RIP: 0010:data_area+0x0/0x40 # [ 32.660125] Code: ff ff 00 b2<4>[ 40.516420] ? exc_invalid_op+0x14/0x70 e2 c4 bc 97 ff ff 00 b1 e2 c4 bc 97 ff ff 00 00 00 00 00 00 00 <4>[ 40.527210] ? asm_exc_invalid_op+0x12/0x20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00<4>[ 40.538405] ? refcount_warn_saturate+0x51/0x110 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 32<4>[ 40.550066] ? refcount_warn_saturate+0x51/0x110 .681418] RSP: 0018:ffffac1c020a7e48 EFLAGS: 00010246 # [ 32.6<4>[ 40.561730] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 87542] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000<4>[ 40.573586] direct_entry.cold+0x2c/0x38 00000000 # [ 32.695802] RDX: 0000000000000000 RSI: ffff97bd3a<4>[ 40.584480] full_proxy_write+0x53/0x80 d9bf70 RDI: ffff97bd3ad9bf70 # [ 32.704061] RBP: ffffffff8740<4>[ 40.595265] vfs_write+0xe7/0x3b0 ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 32.71232<4>[ 40.605469] ksys_write+0x68/0xf0 1] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000<4>[ 40.615676] do_syscall_64+0x30/0x40 000a # [ 32.720581] R13: ffffac1c020a7f10 R14: ffffac1c020a7f<4>[ 40.626171] entry_SYSCALL_64_after_hwframe+0x61/0xc6 10 R15: ffff97bcc6ca2000 # [ 32.728842] FS: 00007f416ae40580<4>[ 40.638319] RIP: 0033:0x7fdd5fbc6473 (0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 3<4>[ 40.648817] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 2.738170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [<4>[ 40.676306] RSP: 002b:00007ffe3a564978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 32.744876] CR2: ffffffff8740ebe0 CR3: 0000000102a66005 CR4: 0<4>[ 40.691271] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd5fbc6473 0000000003706e0 # [ 32.753135] Call Trace: # [ 32.756155] <4>[ 40.705749] RDX: 0000000000000016 RSI: 00007fdd5faba000 RDI: 0000000000000001 ? __die_body.cold+0x1a/0x1f # [ 32.760825] ? no_context+0x1<4>[ 40.720230] RBP: 00007fdd5faba000 R08: 00007fdd5fab9010 R09: 0000000000000000 77/0x380 # [ 32.765205] ? exc_page_fault+0xd7/0x170 # [ 3<4>[ 40.734709] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 2.769874] ? asm_exc_page_fault+0x1e/0x30 # [ 32.774829] ? e<4>[ 40.749190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 xecute_location+0x45/0x56 # [ 32.779595] ? direct_entry.cold<4>[ 40.763670] irq event stamp: 0 +0x2c/0x38 # [ 32.784449] ? full_proxy_write+0x53/0x80 # [ <4>[ 40.773582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 32.789216] ? vfs_write+0xe7/0x3b0 # [ 32.793401] ? ksys_w<4>[ 40.787090] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 rite+0x68/0xf0 # [ 32.803797] ? do_syscall_64+0x30/0x40 # [<4>[ 40.802733] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 32.808271] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ <4>[ 40.818401] softirqs last disabled at (0): [<0000000000000000>] 0x0 32.814403] Modules linked in: fuse ip_tables cros_ec_lid_angle <4>[ 40.831907] ---[ end trace c8f77ca8824754c4 ]--- cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff<6>[ 40.843570] lkdtm: Overflow detected: saturated er kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.873412] CR2: ffffffff8740ebe0 # [ 32.877414] ---[ end trace c8f77ca8824754b8 ]--- # [ 32.882859] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.887527] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 32.908792] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 32.914910] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.923170] RDX: 0000000000000000 RSI: f<6>[ 40.943398] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW fff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 32.931429] RBP: fff<6>[ 40.955379] lkdtm: attempting good refcount_add() without overflow fffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ <6>[ 40.968820] lkdtm: attempting bad refcount_add() overflow 32.939688] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000<4>[ 40.981355] ------------[ cut here ]------------ 0000000000004 # [ 32.947948] R13: ffffac1c01327f10 R14: ffffa<4>[ 40.992979] refcount_t: saturated; leaking memory. c1c01327f10 R15: ffff97bcc6f45000 # [ 32.956210] FS: 00007f4<4>[ 41.004877] WARNING: CPU: 0 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 16ae40580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000<4>[ 41.020819] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.965539] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005<4>[ 41.079797] CPU: 0 PID: 1998 Comm: cat Tainted: G D W 5.10.185-cip35 #1 0033 # [ 32.972247] CR2: ffffffff8740ebe0 CR3: 0000000102a660<4>[ 41.094943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 05 CR4: 00000000003706e0 # [ 32.980506] BUG: sleeping functio<4>[ 41.108257] RIP: 0010:refcount_warn_saturate+0x51/0x110 n called from invalid context at include/linux/percpu-rwsem.h:49<4>[ 41.120607] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 # [ 32.990708] in_atomic(): 0, irqs_disabled(): 1, non_block<4>[ 41.148095] RSP: 0018:ffffac1c0277fe48 EFLAGS: 00010286 : 0, pid: 1539, name: cat # [ 32.999455] INFO: lockdep is tur<4>[ 41.160434] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ned off. # [ 33.004121] irq event stamp: 0 # [ 33.007819] <4>[ 41.174918] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 3<4>[ 41.189431] RBP: ffffffff859f8fe3 R08: 0000000000000000 R09: 0000000000000000 3.015103] hardirqs last disabled at (0): [] co<4>[ 41.203860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 py_process+0x664/0x1c60 # [ 33.024531] softirqs last enabled<4>[ 41.218379] R13: ffffac1c0277ff10 R14: ffffac1c0277ff10 R15: ffff97bcc30a1000 at (0): [] copy_process+0x664/0x1c60 # [ 3<4>[ 41.232867] FS: 00007fde607d5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 3.033949] softirqs last disabled at (0): [<0000000000000000>] 0x<4>[ 41.248448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 33.041232] CPU: 3 PID: 1539 Comm: cat Tainted: G D<4>[ 41.261453] CR2: 00007fde605df000 CR3: 00000001030a8006 CR4: 00000000003706f0 W 5.10.185-cip35 #1 # [ 33.050165] Hardware name: Go<4>[ 41.275883] Call Trace: ogle Rammus/Rammus, BIOS 09/04/2020 # [ 33.057261] Call Trac<4>[ 41.285192] ? __warn+0x80/0x110 e: # [ 33.060278] dump_stack+0x77/0x9b # [ 33.064268] __<4>[ 41.295257] ? refcount_warn_saturate+0x51/0x110 _might_sleep.cold+0xa6/0xb6 # [ 33.069132] exit_signals+0x1c<4>[ 41.307020] ? report_bug+0x9e/0xc0 /0x300 # [ 33.073412] do_exit+0xc2/0xab0 # [ 33.077206] <4>[ 41.317351] ? handle_bug+0x41/0x90 ? ksys_write+0x68/0xf0 # [ 33.081401] make_task_dead+0x2f/0x<4>[ 41.327757] ? exc_invalid_op+0x14/0x70 30 # [ 33.085779] rewind_stack_and_make_dead+0x17/0x20 # [ <4>[ 41.338540] ? asm_exc_invalid_op+0x12/0x20 33.091321] RIP: 0033:0x7f416ad56473 # [ 33.095599] Code: 8b<4>[ 41.349737] ? refcount_warn_saturate+0x51/0x110 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f <4>[ 41.361396] ? refcount_warn_saturate+0x51/0x110 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48><4>[ 41.373054] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 41.384889] direct_entry.cold+0x2c/0x38 # [ 33.116872] RSP: 002b:00007ffe2029a278 EFLAGS: 00000246 OR<4>[ 41.395770] full_proxy_write+0x53/0x80 IG_RAX: 0000000000000001 # [ 33.125620] RAX: ffffffffffffffda<4>[ 41.406568] vfs_write+0xe7/0x3b0 RBX: 000000000000000a RCX: 00007f416ad56473 # [ 33.133880] R<4>[ 41.416804] ksys_write+0x68/0xf0 DX: 000000000000000a RSI: 00007f416ac4a000 RDI: 0000000000000001<4>[ 41.427004] do_syscall_64+0x30/0x40 # [ 33.142140] RBP: 00007f416ac4a000 R08: 00007f416ac49010 R<4>[ 41.437497] entry_SYSCALL_64_after_hwframe+0x61/0xc6 09: 0000000000000000 # [ 33.150404] R10: fffffffffffffbc5 R11<4>[ 41.449651] RIP: 0033:0x7fde606eb473 : 0000000000000246 R12: 0000000000000001 # [ 33.158664] R13: <4>[ 41.460107] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # <4>[ 41.487646] RSP: 002b:00007ffea77fd118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_D<4>[ 41.502628] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fde606eb473 ATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 33.25<4>[ 41.517111] RDX: 0000000000000016 RSI: 00007fde605df000 RDI: 0000000000000001 1033] lkdtm: Performing direct entry EXEC_STACK # [ 33.259917<4>[ 41.531544] RBP: 00007fde605df000 R08: 00007fde605de010 R09: 0000000000000000 ] lkdtm: attempting ok execution at ffffffff84579e50 # [ 33.2<4>[ 41.546063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 72968] lkdtm: attempting bad execution at ffffac1c02127e18 # [ <4>[ 41.560527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 33.286085] kernel tried to execute NX-protected page - exploit<4>[ 41.575050] irq event stamp: 0 attempt? (uid: 0) # [ 33.300913] BUG: unable to handle page <4>[ 41.584923] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fault for address: ffffac1c02127e18 # [ 33.308882] #PF: super<4>[ 41.598464] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 visor instruction fetch in kernel mode # [ 33.315492] #PF: er<4>[ 41.614111] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ror_code(0x0011) - permissions violation # [ 33.322005] PGD 1<4>[ 41.629775] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000067 P4D 100000067 PUD 100231067 PMD 1030d4067 PTE 800000010<4>[ 41.643290] ---[ end trace c8f77ca8824754c5 ]--- 29cd063 # [ 33.331356] Oops: 0011 [#6] SMP PTI # [ 33.3355<6>[ 41.654969] lkdtm: Overflow detected: saturated 40] CPU: 0 PID: 1575 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 33.344479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.351577] RIP: 0010:0xffffac1c02127e18 # [ 33.356245] Code: 00 00 18 7e 12 02 1c ac ff ff 69 b6 c0 84 ff ff ff ff 20 00 00 00 00 00 00 00 3e 8f 9f 85 ff ff ff ff 98 b7 c0 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 33.377519] RSP: 0018:ffffac1c02127df8 EFLAGS: 00010246 # [ 33.383645] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.391907] RDX: 0000000000000000 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 33.400167] RBP: ffffac1c02127e18 R08: 0000000000000000 R09: 0000000000000000 # [ 33.408428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 33.416689] R13: ffffac1c02127f10 R14: ffffac1c02127f10 R15: ffff97bcc2f09000 # [ 33.424952] FS: 00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 33.434280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.440987] CR2: ffffac<6>[ 41.768047] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 1c02127e18 CR3: 0000000103452002 CR4: 00000000003706f0 # [ 33<6>[ 41.780028] lkdtm: attempting bad refcount_inc_not_zero() overflow .449248] Call Trace: # [ 33.452267] ? __die_body.cold+0x1a/0<4>[ 41.793442] ------------[ cut here ]------------ x1f # [ 33.456943] ? no_context+0x177/0x380 # [ 33.461324<4>[ 41.805106] refcount_t: saturated; leaking memory. ] ? exc_page_fault+0xd7/0x170 # [ 33.466022] ? asm_exc_page<4>[ 41.816997] WARNING: CPU: 1 PID: 2030 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 _fault+0x1e/0x30 # [ 33.470986] ? execute_location+0x45/0x56<4>[ 41.832901] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 33.475757] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 33.48051<4>[ 41.891874] CPU: 1 PID: 2030 Comm: cat Tainted: G D W 5.10.185-cip35 #1 4] ? direct_entry.cold+0x2c/0x38 # [ 33.485394] ? full_prox<4>[ 41.907030] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 y_write+0x53/0x80 # [ 33.490153] ? vfs_write+0xe7/0x3b0 # [<4>[ 41.920325] RIP: 0010:refcount_warn_saturate+0x97/0x110 33.494329] ? ksys_write+0x68/0xf0 # [ 33.498538] ? do_sy<4>[ 41.932661] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 scall_64+0x30/0x40 # [ 33.503013] ? entry_SYSCALL_64_after_h<4>[ 41.960154] RSP: 0018:ffffac1c02837e38 EFLAGS: 00010282 wframe+0x61/0xc6 # [ 33.509140] Modules linked in: fuse ip_ta<4>[ 41.972497] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indu<4>[ 41.986977] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 strialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 <4>[ 42.001456] RBP: ffffffff859f8c20 R08: 0000000000000000 R09: 0000000000000000 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_us<4>[ 42.015935] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f bpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core vide<4>[ 42.030413] R13: ffffac1c02837f10 R14: ffffac1c02837f10 R15: ffff97bcc3543000 obuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress vide<4>[ 42.044893] FS: 00007fb637d3a580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 obuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_commo<4>[ 42.060440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 n snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeo<4>[ 42.073367] CR2: 00007fb637b44000 CR3: 00000001029cc003 CR4: 00000000003706e0 <4>[ 42.087843] Call Trace: s_pstore cros_kbd_led_backlight coreboot_table # [ 33.561914]<4>[ 42.090885] ? __warn+0x80/0x110 <4>[ 42.100969] ? refcount_warn_saturate+0x97/0x110 CR2: ffffac1c02127e18 # [ 33.565893] ---[ end trace c8f77ca8<4>[ 42.106419] ? report_bug+0x9e/0xc0 824754b9 ]--- # [ 33.571359] RIP: 0010:lkdtm_BUG+0x5/0x10 # <4>[ 42.116815] ? handle_bug+0x41/0x90 <4>[ 42.127215] ? exc_invalid_op+0x14/0x70 [ 33.576028] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff e<4>[ 42.131794] ? asm_exc_invalid_op+0x12/0x20 b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb<4>[ 42.142966] ? refcount_warn_saturate+0x97/0x110 <4>[ 42.154651] ? refcount_warn_saturate+0x97/0x110 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0<4>[ 42.160100] __refcount_add_not_zero.constprop.0+0x2a/0x35 0 00 83 05 10 51 e9 02 # [ 33.597303] RSP: 0018:ffffac1c01327<4>[ 42.172727] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 e60 EFLAGS: 00010282 # [ 33.603418] RAX: ffffffff84579a80 RBX<4>[ 42.185458] direct_entry.cold+0x2c/0x38 : 0000000000000001 RCX: 0000000000000000 # [ 33.611679] RDX: <4>[ 42.196363] full_proxy_write+0x53/0x80 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # <4>[ 42.207153] vfs_write+0xe7/0x3b0 [ 33.619939] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: <4>[ 42.217363] ksys_write+0x68/0xf0 0000000000000001 # [ 33.628199] R10: 00000000ffffe000 R11: 3f<4>[ 42.227570] do_syscall_64+0x30/0x40 <4>[ 42.238067] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffffffffffffff R12: 0000000000000004 # [ 33.636459] R13: ffff<4>[ 42.244004] RIP: 0033:0x7fb637c50473 <4>[ 42.254496] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ <4>[ 42.275773] RSP: 002b:00007ffeb8c06c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.290734] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb637c50473 33.644721] FS: 00007fa5694f1580(0000) GS:ffff97bd3ac00000(0000)<4>[ 42.298999] RDX: 000000000000001f RSI: 00007fb637b44000 RDI: 0000000000000001 <4>[ 42.313471] RBP: 00007fb637b44000 R08: 00007fb637b43010 R09: 0000000000000000 knlGS:0000000000000000 # [ 33.654049] CS: 0010 DS: 0000 ES:<4>[ 42.321738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.336210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 CR0: 0000000080050033 # [ 33.660755] CR2: ffffac1c02127<4>[ 42.344481] irq event stamp: 0 e18 CR3: 0000000103452002 CR4: 00000000003706f0 # EXEC_STACK: s<4>[ 42.354403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 aw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # s<4>[ 42.367916] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 elftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 33.749755] lkd<4>[ 42.383559] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 tm: Performing direct entry EXEC_KMALLOC # [ 33.762179] lkdtm<4>[ 42.399201] softirqs last disabled at (0): [<0000000000000000>] 0x0 : attempting ok execution at ffffffff84579e50 # [ 33.769020] <4>[ 42.412708] ---[ end trace c8f77ca8824754c6 ]--- lkdtm: attempting bad execution at ffff97bcc2b14240 # [ 33.78<6>[ 42.424372] lkdtm: Overflow detected: saturated 2133] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 33.790807] BUG: unable to handle page fault for address: ffff97bcc2b14240 # [ 33.804991] #PF: supervisor instruction fetch in kernel mode # [ 33.811601] #PF: error_code(0x0011) - permissions violation # [ 33.818113] PGD 43601067 P4D 43601067 PUD 100870063 PMD 102715063 PTE 8000000102b14063 # [ 33.827251] Oops: 0011 [#7] SMP PTI # [ 33.831434] CPU: 2 PID: 1612 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 33.840375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.847471] RIP: 0010:0xffff97bcc2b14240 # [ 33.852140] Code: 00 00 02 00 00 00 00 00 00 00 00 44 b1 c2 bc 97 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef af 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 33.873416] RSP: 0018:ffffac1c021afe38 EFLAGS: 00010246 # [ 33.879540] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.887799] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ <6>[ 42.540600] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 42.549468] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 42.556666] ------------[ cut here ]------------ 33.896059] RBP: ffff97bcc2b14240 R08: 0000000000000000 R09: 00<4>[ 42.562143] refcount_t: saturated; leaking memory. <4>[ 42.574029] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000000000000 # [ 33.904318] R10: 00000000ffffe000 R11: 3fff<4>[ 42.583753] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 42.642704] CPU: 3 PID: 2062 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 42.651673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.658799] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 42.664952] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 <4>[ 42.686228] RSP: 0018:ffffac1c028bfe38 EFLAGS: 00010282 ffffffffffff R12: 000000000000000d # [ 33.912579] R13: ffffac<4>[ 42.692359] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 42.706836] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70 <4>[ 42.715097] RBP: ffffffff859f8c40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.723361] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 42.731624] R13: ffffac1c028bff10 R14: ffffac1c028bff10 R15: ffff97bcc36d3000 <4>[ 42.739887] FS: 00007f10c25c8580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 42.749217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.755926] CR2: 00007f10c23d2000 CR3: 0000000102f74005 CR4: 00000000003706e0 <4>[ 42.764186] Call Trace: <4>[ 42.767227] ? __warn+0x80/0x110 1c021aff10 R14: ffffac1c021aff10 R15: ffff97bcc2f4d000 # [ 33<4>[ 42.771130] ? refcount_warn_saturate+0x97/0x110 <4>[ 42.782788] ? report_bug+0x9e/0xc0 <4>[ 42.786975] ? handle_bug+0x41/0x90 <4>[ 42.791162] ? exc_invalid_op+0x14/0x70 <4>[ 42.795760] ? asm_exc_invalid_op+0x12/0x20 <4>[ 42.800724] ? refcount_warn_saturate+0x97/0x110 <4>[ 42.806193] ? refcount_warn_saturate+0x97/0x110 <4>[ 42.811640] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 42.818059] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 42.824575] direct_entry.cold+0x2c/0x38 <4>[ 42.829247] full_proxy_write+0x53/0x80 <4>[ 42.833820] vfs_write+0xe7/0x3b0 <4>[ 42.837811] ksys_write+0x68/0xf0 <4>[ 42.841803] do_syscall_64+0x30/0x40 <4>[ 42.846087] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.852020] RIP: 0033:0x7f10c24de473 <4>[ 42.856301] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 42.877575] RSP: 002b:00007ffd2011bdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.886325] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f10c24de473 <4>[ 42.894587] RDX: 000000000000001f RSI: 00007f10c23d2000 RDI: 0000000000000001 <4>[ 42.902848] RBP: 00007f10c23d2000 R08: 00007f10c23d1010 R09: 0000000000000000 <4>[ 42.911113] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.919406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.927673] irq event stamp: 0 .920840] FS: 00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) k<4>[ 42.931398] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.944905] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 42.954349] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 nlGS:0000000000000000 # [ 33.930168] CS: 0010 DS: 0000 ES: 0<4>[ 42.963785] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.977289] ---[ end trace c8f77ca8824754c7 ]--- <6>[ 42.982735] lkdtm: Overflow detected: saturated 000 CR0: 0000000080050033 # [ 33.936875] CR2: ffff97bcc2b14240 CR3: 000000010345a001 CR4: 00000000003706e0 # [ 33.945134] Call Trace: # [ 33.948155] ? __die_body.cold+0x1a/0x1f # [ 33.952824] ? no_context+0x177/0x380 # [ 33.957202] ? exc_page_fault+0xd7/0x170 # [ 33.961872] ? asm_exc_page_fault+0x1e/0x30 # [ 33.973048] ? execute_location+0x45/0x56 # [ 33.977814] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 33.982774] ? direct_entry.cold+0x2c/0x38 # [ 33.987629] ? full_proxy_write+0x53/0x80 # [ 33.992410] ? vfs_write+0xe7/0x3b0 # [ 33.996593] ? ksys_write+0x68/0xf0 # [ 34.000778] ? do_syscall_64+0x30/0x40 # [ 34.005251] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.011379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_m<6>[ 43.081753] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO emops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v<6>[ 43.094172] lkdtm: attempting good refcount_dec() 4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_p<6>[ 43.105933] lkdtm: attempting bad refcount_dec() to zero cm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstor<4>[ 43.118369] ------------[ cut here ]------------ e cros_kbd_led_backlight coreboot_table # [ 34.064179] CR2: f<4>[ 43.130030] refcount_t: decrement hit 0; leaking memory. fff97bcc2b14240 # [ 34.074382] ---[ end trace c8f77ca8824754b<4>[ 43.142499] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 a ]--- # [ 34.079848] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.<4>[ 43.158429] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.217399] CPU: 1 PID: 2094 Comm: cat Tainted: G D W 5.10.185-cip35 #1 084517] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48<4>[ 43.226375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f <4>[ 43.239689] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 43.252031] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83<4>[ 43.273349] RSP: 0018:ffffac1c02947e48 EFLAGS: 00010286 05 10 51 e9 02 # [ 34.105780] RSP: 0018:ffffac1c01327e60 EFL<4>[ 43.285692] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 AGS: 00010282 # [ 34.111904] RAX: ffffffff84579a80 RBX: 00000<4>[ 43.300170] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 00000000001 RCX: 0000000000000000 # [ 34.120164] RDX: 0000000<4>[ 43.314625] RBP: ffffffff859f8ff9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.329103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 34.<4>[ 43.337368] R13: ffffac1c02947f10 R14: ffffac1c02947f10 R15: ffff97bcc36a2000 <4>[ 43.351841] FS: 00007f17258de580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 128422] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000<4>[ 43.361198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.374116] CR2: 00007f17256e8000 CR3: 0000000103740006 CR4: 00000000003706e0 000000001 # [ 34.136681] R10: 00000000ffffe000 R11: 3ffffffff<4>[ 43.382417] Call Trace: fffffff R12: 0000000000000004 # [ 34.144942] R13: ffffac1c013<4>[ 43.391633] ? __warn+0x80/0x110 27f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 34.1532<4>[ 43.401741] ? refcount_warn_saturate+0xfb/0x110 <4>[ 43.413405] ? report_bug+0x9e/0xc0 02] FS: 00007f50ecc47580(0000) GS:ffff97bd3ad00000(0000) knlGS:<4>[ 43.417616] ? handle_bug+0x41/0x90 <4>[ 43.428007] ? exc_invalid_op+0x14/0x70 0000000000000000 # [ 34.162530] CS: 0010 DS: 0000 ES: 0000 C<4>[ 43.432606] ? asm_exc_invalid_op+0x12/0x20 R0: 0000000080050033 # [ 34.169237] CR2: ffff97bcc2b14240 CR3<4>[ 43.443781] ? refcount_warn_saturate+0xfb/0x110 <4>[ 43.455440] ? refcount_warn_saturate+0xfb/0x110 : 000000010345a001 CR4: 00000000003706e0 # [ 34.177499] BUG: <4>[ 43.460890] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd sleeping function called from invalid context at include/linux/p<4>[ 43.472363] direct_entry.cold+0x2c/0x38 ercpu-rwsem.h:49 # [ 34.187701] in_atomic(): 0, irqs_disabled<4>[ 43.483252] full_proxy_write+0x53/0x80 (): 1, non_block: 0, pid: 1612, name: cat # [ 34.196445] INFO<4>[ 43.494067] vfs_write+0xe7/0x3b0 : lockdep is turned off. # [ 34.201114] irq event stamp: 0 #<4>[ 43.504273] ksys_write+0x68/0xf0 [ 34.204811] hardirqs last enabled at (0): [<000000000000000<4>[ 43.514477] do_syscall_64+0x30/0x40 0>] 0x0 # [ 34.212101] hardirqs last disabled at (0): [[ 43.524972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fff83afd844>] copy_process+0x664/0x1c60 # [ 34.221526] softir<4>[ 43.537121] RIP: 0033:0x7f17257f4473 qs last enabled at (0): [] copy_process+0x664<4>[ 43.547616] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 /0x1c60 # [ 34.230952] softirqs last disabled at (0): [<00000<4>[ 43.575106] RSP: 002b:00007ffe014bf388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000>] 0x0 # [ 34.238234] CPU: 2 PID: 1612 Comm: cat T<4>[ 43.590070] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f17257f4473 ainted: G D W 5.10.185-cip35 #1 # [ 34.247174] H<4>[ 43.604548] RDX: 0000000000000012 RSI: 00007f17256e8000 RDI: 0000000000000001 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.2<4>[ 43.619027] RBP: 00007f17256e8000 R08: 00007f17256e7010 R09: 0000000000000000 54266] Call Trace: # [ 34.257285] dump_stack+0x77/0x9b # [ <4>[ 43.633504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 34.261275] ___might_sleep.cold+0xa6/0xb6 # [ 34.266137] e<4>[ 43.647981] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 xit_signals+0x1c/0x300 # [ 34.270412] do_exit+0xc2/0xab0 # <4>[ 43.662464] irq event stamp: 0 [ 34.274209] ? ksys_write+0x68/0xf0 # [ 34.284605] make_t<4>[ 43.672374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ask_dead+0x2f/0x30 # [ 34.288984] rewind_stack_and_make_dead<4>[ 43.685881] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 +0x17/0x20 # [ 34.294525] RIP: 0033:0x7f50ecb5d473 # [ 34.<4>[ 43.701524] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 298804] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff<4>[ 43.717167] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 <4>[ 43.730674] ---[ end trace c8f77ca8824754c8 ]--- 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28<6>[ 43.742335] lkdtm: Zero detected: saturated 48 89 54 24 18 # [ 34.320080] RSP: 002b:00007ffcdcba2f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.328827] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f50ecb5d473 # [ 34.337089] RDX: 000000000000000d RSI: 00007f50eca51000 RDI: 0000000000000001 # [ 34.345356] RBP: 00007f50eca51000 R08: 00007f50eca50010 R09: 0000000000000000 # [ 34.353617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.361877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 34.466858] lkdtm: Performing direct entry EXEC_VMALLOC # [ 34.475769] lkdtm: attempting ok execution at ffffffff84579e50 # [ 34.482588] lkdtm: attempting bad execution at ffffac1c002eb000 # [ 34.495706] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 34.504387] BUG: unable to handle page fault for address: ffffac1c002eb000 #<6>[ 43.848956] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 43.859952] lkdtm: attempting bad refcount_dec() below zero <4>[ 43.866473] ------------[ cut here ]------------ <4>[ 43.871956] refcount_t: decrement hit 0; leaking memory. <4>[ 43.878217] WARNING: CPU: 2 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 34.512365] #PF: supervisor instruction fetch in kernel mode<4>[ 43.887939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 43.946890] CPU: 2 PID: 2129 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 43.955833] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.962934] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 43.969086] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 43.990363] RSP: 0018:ffffac1c0299fe48 EFLAGS: 00010286 <4>[ 43.996493] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 44.004754] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 44.013019] RBP: ffffffff859f900b R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.021282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 44.029546] R13: ffffac1c0299ff10 R14: ffffac1c0299ff10 R15: ffff97bcc2763000 <4>[ 44.037810] FS: 00007f4a198b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 44.047141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.053850] CR2: 00007f4a196bc000 CR3: 0000000105dea004 CR4: 00000000003706e0 <4>[ 44.062114] Call Trace: <4>[ 44.065138] ? __warn+0x80/0x110 # [ 34.518975] #PF: error_code(0x0011) - permissions violati<4>[ 44.069068] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.080730] ? report_bug+0x9e/0xc0 <4>[ 44.084916] ? handle_bug+0x41/0x90 <4>[ 44.089124] ? exc_invalid_op+0x14/0x70 <4>[ 44.093697] ? asm_exc_invalid_op+0x12/0x20 <4>[ 44.098661] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.104139] ? refcount_warn_saturate+0xfb/0x110 <4>[ 44.109587] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 44.115230] direct_entry.cold+0x2c/0x38 <4>[ 44.119905] full_proxy_write+0x53/0x80 <4>[ 44.124512] vfs_write+0xe7/0x3b0 on # [ 34.525488] PGD 100000067 P4D 100000067 PUD 100231067 P<4>[ 44.128506] ksys_write+0x68/0xf0 <4>[ 44.138712] do_syscall_64+0x30/0x40 <4>[ 44.143019] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.148953] RIP: 0033:0x7f4a197c8473 <4>[ 44.153260] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.174543] RSP: 002b:00007ffd242bb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.183329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4a197c8473 <4>[ 44.191611] RDX: 0000000000000016 RSI: 00007f4a196bc000 RDI: 0000000000000001 <4>[ 44.199874] RBP: 00007f4a196bc000 R08: 00007f4a196bb010 R09: 0000000000000000 <4>[ 44.208139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.216406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.224673] irq event stamp: 0 <4>[ 44.228404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.235696] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.245125] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 44.254554] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.261845] ---[ end trace c8f77ca8824754c9 ]--- <6>[ 44.267291] lkdtm: Negative detected: saturated MD 1009d3067 PTE 8000000103779063 # [ 34.534821] Oops: 0011 [#8] SMP PTI # [ 34.539005] CPU: 2 PID: 1648 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 34.547937] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.555034] RIP: 0010:0xffffac1c002eb000 # [ 34.559703] Code: Unable to access opcode bytes at RIP 0xffffac1c002eafd6. # [ 34.567662] RSP: 0018:ffffac1c02247e38 EFLAGS: 00010246 # [ 34.573786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.582046] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ 34.590306] RBP: ffffac1c002eb000 R08: 0000000000000000 R09: 0000000000000000 # [ 34.598565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 34.606825] R13: ffffac1c02247f10 R14: ffffac1c02247f10 R15: ffff97bcc3779000 # [ 34.615086] FS: 00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 34.624415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.631121] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0 # [ 34.639382] Call Trace: # [ 34.642423] ? __die_body.cold+0x1a/0x1f # [ 34.647091] ? no_context+0x177/0x380 # [ 34.651462] ? exc_page_fault+0xd7/0x170 # [ 34.656129] ? asm_exc_page_fault+0x1e/0x30 # [ 34.661094] ? execute_location+0x45/0x56 # [ 34.672072] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 34.677030] ? direct_entry.cold+0x2c/0x38 # [ 34.681894] ? full_proxy_write+0x53/0x80 # [ 34.686661] ? vfs_write+0xe7/0x3b0 # [ 34.690835] ? ksys_write+0x68/0xf0 # [ 34.695021] ? do_syscall_64+0x30/0x40 # [ 34.699495] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.705616] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 34.764607] CR2: ffffac1c002eb000 # [ 34.768595] ---[ end trace c8f77ca8824754bb ]--- # [ 34.774040] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.778700] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 34.799967] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 34.806091] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.814355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 34.822616] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 34.830876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.839138] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 34.847407] FS: 00007efda53b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 34.856735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.863441] CR2: ffffac1c002eafd6 CR3: 00000001035e6004 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 34.956263] lkdtm: Performing direct entry EXEC_RODATA #<6>[ 44.619412] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 34.964809] lkdtm: attempting ok execution at ffffffff84579e<6>[ 44.629612] lkdtm: attempting bad refcount_dec_and_test() below zero 50 # [ 34.971631] lkdtm: attempting bad execution at ffffffff<4>[ 44.643219] ------------[ cut here ]------------ 8557ed60 # [ 34.984767] kernel tried to execute NX-protected <4>[ 44.654878] refcount_t: underflow; use-after-free. page - exploit attempt? (uid: 0) # [ 34.993423] BUG: unable t<4>[ 44.666767] WARNING: CPU: 1 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 o handle page fault for address: ffffffff8557ed60 # [ 35.0076<4>[ 44.682695] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 09] #PF: supervisor instruction fetch in kernel mode # [ 35.0<4>[ 44.741621] CPU: 1 PID: 2164 Comm: cat Tainted: G D W 5.10.185-cip35 #1 14218] #PF: error_code(0x0011) - permissions violation # [ 35<4>[ 44.756774] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .020730] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 800000004140<4>[ 44.770089] RIP: 0010:refcount_warn_saturate+0xba/0x110 00e1 # [ 35.028509] Oops: 0011 [#9] SMP PTI # [ 35.032691<4>[ 44.782430] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 ] CPU: 2 PID: 1684 Comm: cat Tainted: G D W 5.10.18<4>[ 44.809920] RSP: 0018:ffffac1c02a17e40 EFLAGS: 00010286 5-cip35 #1 # [ 35.041633] Hardware name: Google Rammus/Rammus<4>[ 44.822263] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 , BIOS 09/04/2020 # [ 35.048733] RIP: 0010:lkdtm_rodata_do_n<4>[ 44.836741] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 othing+0x0/0x10 # [ 35.054760] Code: ff ff 08 cc c0 84 ff ff <4>[ 44.851222] RBP: ffffffff859f8c60 R08: 0000000000000000 R09: 0000000000000000 ff ff 8a 91 9f 85 ff ff ff ff 4e b3 c0 84 ff ff ff ff 55 aa 55 a<4>[ 44.865699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 44.880178] R13: ffffac1c02a17f10 R14: ffffac1c02a17f10 R15: ffff97bcc3649000 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 35.076034] RSP:<4>[ 44.894658] FS: 00007fa971178580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 0018:ffffac1c022efe48 EFLAGS: 00010246 # [ 35.082157] RAX: 0<4>[ 44.910207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [<4>[ 44.923130] CR2: 00007fa970f82000 CR3: 0000000103798004 CR4: 00000000003706e0 35.090419] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: f<4>[ 44.937606] Call Trace: fff97bd3ad1bf70 # [ 35.098677] RBP: ffffffff8557ed60 R08: 000<4>[ 44.946845] ? __warn+0x80/0x110 0000000000000 R09: 0000000000000000 # [ 35.106937] R10: 00000<4>[ 44.956950] ? refcount_warn_saturate+0xba/0x110 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 3<4>[ 44.968612] ? report_bug+0x9e/0xc0 5.115199] R13: ffffac1c022eff10 R14: ffffac1c022eff10 R15: ffff9<4>[ 44.979012] ? handle_bug+0x41/0x90 7bcc29c8000 # [ 35.123460] FS: 00007fed63d83580(0000) GS:fff<4>[ 44.989415] ? exc_invalid_op+0x14/0x70 f97bd3ad00000(0000) knlGS:0000000000000000 # [ 35.132788] CS:<4>[ 45.000205] ? asm_exc_invalid_op+0x12/0x20 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.139495]<4>[ 45.011384] ? refcount_warn_saturate+0xba/0x110 CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000000003706<4>[ 45.023042] __refcount_sub_and_test.constprop.0+0x3c/0x50 e0 # [ 35.147753] Call Trace: # [ 35.150772] ? __die_body<4>[ 45.035673] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 .cold+0x1a/0x1f # [ 35.155441] ? no_context+0x177/0x380 # [<4>[ 45.048417] direct_entry.cold+0x2c/0x38 35.159810] ? exc_page_fault+0xd7/0x170 # [ 35.164480] ? <4>[ 45.059303] full_proxy_write+0x53/0x80 asm_exc_page_fault+0x1e/0x30 # [ 35.169436] ? execute_locati<4>[ 45.070091] vfs_write+0xe7/0x3b0 on+0x45/0x56 # [ 35.174202] ? direct_entry.cold+0x2c/0x38 #<4>[ 45.080296] ksys_write+0x68/0xf0 [ 35.179065] ? full_proxy_write+0x53/0x80 # [ 35.183832] <4>[ 45.090500] do_syscall_64+0x30/0x40 ? vfs_write+0xe7/0x3b0 # [ 35.188015] ? ksys_write+0x68/0xf<4>[ 45.100995] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 # [ 35.192191] ? do_syscall_64+0x30/0x40 # [ 35.196666]<4>[ 45.113140] RIP: 0033:0x7fa97108e473 ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.202785] M<4>[ 45.123637] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 odules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso<4>[ 45.151126] RSP: 002b:00007ffeaa3de988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[ 45.166088] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa97108e473 industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros<4>[ 45.180568] RDX: 000000000000001f RSI: 00007fa970f82000 RDI: 0000000000000001 <4>[ 45.195045] RBP: 00007fa970f82000 R08: 00007fa970f81010 R09: 0000000000000000 _ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobu<4>[ 45.203308] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.217781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_us<4>[ 45.226067] irq event stamp: 0 <4>[ 45.235954] hardirqs last enabled at (0): [<0000000000000000>] 0x0 bpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal<4>[ 45.243249] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 45.258883] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_h<4>[ 45.268314] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.281814] ---[ end trace c8f77ca8824754ca ]--- id cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight core<6>[ 45.287262] lkdtm: Negative detected: saturated boot_table # [ 35.261779] CR2: ffffffff8557ed60 # [ 35.265758] ---[ end trace c8f77ca8824754bc ]--- # [ 35.271205] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.275872] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 35.297147] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 35.303271] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.311531] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 35.319791] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 35.328051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.336311] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 35.344572] FS: 00007fed63d83580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 35.353901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.360608] CR2: ffffffff8557ed60 CR3: 00000001035ec001 CR4: 00000<6>[ 45.398523] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftes<6>[ 45.412374] lkdtm: attempting bad refcount_sub_and_test() below zero ts: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh<4>[ 45.426006] ------------[ cut here ]------------ # Killed # [ 35.463468] lkdtm: Performing direct entry EXEC<4>[ 45.437662] refcount_t: underflow; use-after-free. _USERSPACE # [ 35.474675] lkdtm: attempting ok execution at f<4>[ 45.449532] WARNING: CPU: 0 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 fffffff84579e50 # [ 35.481502] lkdtm: attempting bad executio<4>[ 45.465448] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table n at 00007f9b13881000 # [ 35.488420] unable to execute usersp<4>[ 45.524439] CPU: 0 PID: 2199 Comm: cat Tainted: G D W 5.10.185-cip35 #1 ace code (SMEP?) (uid: 0) # [ 35.495152] BUG: unable to handl<4>[ 45.539576] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e page fault for address: 00007f9b13881000 # [ 35.509357] #PF<4>[ 45.552926] RIP: 0010:refcount_warn_saturate+0xba/0x110 : supervisor instruction fetch in kernel mode # [ 35.515967] <4>[ 45.565235] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 #PF: error_code(0x0011) - permissions violation # [ 35.522480<4>[ 45.592761] RSP: 0018:ffffac1c02a8fe40 EFLAGS: 00010286 ] PGD 800000010367c067 P4D 800000010367c067 PUD 102f5d067 PMD 10<4>[ 45.605071] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 2f5c067 PTE 10b153067 # [ 35.532493] Oops: 0011 [#10] SMP PTI<4>[ 45.619562] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 35.536773] CPU: 2 PID: 1720 Comm: cat Tainted: G D <4>[ 45.634020] RBP: ffffffff859f8c80 R08: 0000000000000000 R09: 0000000000000000 W 5.10.185-cip35 #1 # [ 35.545713] Hardware name: Goo<4>[ 45.648501] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f gle Rammus/Rammus, BIOS 09/04/2020 # [ 35.552810] RIP: 0010:<4>[ 45.662997] R13: ffffac1c02a8ff10 R14: ffffac1c02a8ff10 R15: ffff97bcc2f61000 0x7f9b13881000 # [ 35.557089] Code: Unable to access opcode b<4>[ 45.677507] FS: 00007f571845a580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 ytes at RIP 0x7f9b13880fd6. # [ 35.564669] RSP: 0018:ffffac1c<4>[ 45.693047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 02387e50 EFLAGS: 00010246 # [ 35.570794] RAX: 000000000000003<4>[ 45.705936] CR2: 00007f5718264000 CR3: 0000000106f5e003 CR4: 00000000003706f0 3 RBX: 0000000000000024 RCX: 0000000000000000 # [ 35.579055] <4>[ 45.720452] Call Trace: RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf7<4>[ 45.729713] ? __warn+0x80/0x110 0 # [ 35.587315] RBP: 00007f9b13881000 R08: 0000000000000000 <4>[ 45.739818] ? refcount_warn_saturate+0xba/0x110 R09: 0000000000000000 # [ 35.595575] R10: 00000000ffffe000 R1<4>[ 45.751488] ? report_bug+0x9e/0xc0 1: 3fffffffffffffff R12: 000000000000000f # [ 35.603835] R13:<4>[ 45.761898] ? find_bug+0x1b0/0x1b0 ffffac1c02387f10 R14: ffffac1c02387f10 R15: ffff97bcc3478000 #<4>[ 45.772304] ? handle_bug+0x41/0x90 [ 35.612094] FS: 00007f9b13852580(0000) GS:ffff97bd3ad00000(<4>[ 45.782705] ? exc_invalid_op+0x14/0x70 0000) knlGS:0000000000000000 # [ 35.621423] CS: 0010 DS: 000<4>[ 45.793515] ? asm_exc_invalid_op+0x12/0x20 0 ES: 0000 CR0: 0000000080050033 # [ 35.628130] CR2: 00007f9b<4>[ 45.804695] ? refcount_warn_saturate+0xba/0x110 13881000 CR3: 000000010347e001 CR4: 00000000003706e0 # [ 35.6<4>[ 45.816367] __refcount_sub_and_test.constprop.0+0x3c/0x50 36406] Call Trace: # [ 35.639426] ? __die_body.cold+0x1a/0x1<4>[ 45.829021] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b f # [ 35.644096] ? no_context+0x177/0x380 # [ 35.648475] <4>[ 45.841751] direct_entry.cold+0x2c/0x38 ? exc_page_fault+0x53/0x170 # [ 35.653144] ? asm_exc_page_f<4>[ 45.852645] full_proxy_write+0x53/0x80 ault+0x1e/0x30 # [ 35.658110] ? lkdtm_EXEC_USERSPACE.cold+0x<4>[ 45.863441] vfs_write+0xe7/0x3b0 66/0xae # [ 35.663749] ? direct_entry.cold+0x2c/0x38 # [ <4>[ 45.873645] ksys_write+0x68/0xf0 35.668613] ? full_proxy_write+0x53/0x80 # [ 35.673379] ? vf<4>[ 45.883858] do_syscall_64+0x30/0x40 s_write+0xe7/0x3b0 # [ 35.677581] ? ksys_write+0x68/0xf0 # <4>[ 45.894353] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.681765] ? do_syscall_64+0x30/0x40 # [ 35.686239] ? e<4>[ 45.906465] RIP: 0033:0x7f5718370473 ntry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.692362] Module<4>[ 45.917004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 s linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cr<4>[ 45.944521] RSP: 002b:00007ffe4f703f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus<4>[ 45.959472] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5718370473 trialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_d<4>[ 45.973975] RDX: 000000000000001f RSI: 00007f5718264000 RDI: 0000000000000001 ebugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vm<4>[ 45.988464] RBP: 00007f5718264000 R08: 00007f5718263010 R09: 0000000000000000 alloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_l<4>[ 46.002938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ogger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros<4>[ 46.017426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cr<4>[ 46.031911] irq event stamp: 0 os_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_<4>[ 46.041832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 table # [ 35.751321] CR2: 00007f9b13881000 # [ 35.755300] <4>[ 46.055337] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ---[ end trace c8f77ca8824754bd ]--- # [ 35.760746] RIP: 0010<4>[ 46.070991] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 :lkdtm_BUG+0x5/0x10 # [ 35.765413] Code: 89 ff e8 2e e2 79 ff<4>[ 46.086620] softirqs last disabled at (0): [<0000000000000000>] 0x0 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc <4>[ 46.100135] ---[ end trace c8f77ca8824754cb ]--- 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00<6>[ 46.111795] lkdtm: Negative detected: saturated 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 35.786687] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 35.792812] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.801072] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 35.809357] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 35.817617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.825878] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 35.834140] FS: 00007f9b13852580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 35.843467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.850175] CR2: 00007f9b13881000 CR3: 000000010347e001 CR4: 00000000003706e0 # [ 35.858436] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.868640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1720, name: cat # [ 35.877385] INFO: lockdep is turned off. # [ 35.882054] irq event stamp: 0 # [ 35.885750] hardirqs last ena<6>[ 46.226156] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 46.235604] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 46.242998] lkdtm: Good: zero detected <6>[ 46.247510] lkdtm: Correctly stayed at zero <6>[ 46.252502] lkdtm: attempting bad refcount_inc() from zero <4>[ 46.258921] ------------[ cut here ]------------ <4>[ 46.264372] refcount_t: addition on 0; use-after-free. <4>[ 46.270445] WARNING: CPU: 3 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 bled at (0): [<0000000000000000>] 0x0 # [ 35.893040] hardirqs<4>[ 46.280169] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 46.339116] CPU: 3 PID: 2231 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 46.348090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.355191] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 46.361366] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 last disabled at (0): [] copy_process+0x664/0<4>[ 46.382648] RSP: 0018:ffffac1c02b0fe48 EFLAGS: 00010286 <4>[ 46.394982] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 46.403248] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70 <4>[ 46.411533] RBP: ffffffff859f9021 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.419796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 46.428058] R13: ffffac1c02b0ff10 R14: ffffac1c02b0ff10 R15: ffff97bcc349c000 <4>[ 46.436321] FS: 00007f8a756d9580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 <4>[ 46.445659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.452407] CR2: 00007f8a754e3000 CR3: 0000000100fd4003 CR4: 00000000003706e0 <4>[ 46.460669] Call Trace: <4>[ 46.463693] ? __warn+0x80/0x110 <4>[ 46.467618] ? refcount_warn_saturate+0x74/0x110 <4>[ 46.473067] ? report_bug+0x9e/0xc0 <4>[ 46.477252] ? handle_bug+0x41/0x90 <4>[ 46.481452] ? exc_invalid_op+0x14/0x70 <4>[ 46.486028] ? asm_exc_invalid_op+0x12/0x20 <4>[ 46.490992] ? refcount_warn_saturate+0x74/0x110 <4>[ 46.496469] ? refcount_warn_saturate+0x74/0x110 <4>[ 46.501915] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 46.507169] direct_entry.cold+0x2c/0x38 <4>[ 46.511842] full_proxy_write+0x53/0x80 <4>[ 46.516441] vfs_write+0xe7/0x3b0 <4>[ 46.520433] ksys_write+0x68/0xf0 <4>[ 46.524425] do_syscall_64+0x30/0x40 <4>[ 46.528709] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.534642] RIP: 0033:0x7f8a755ef473 <4>[ 46.538924] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.560201] RSP: 002b:00007ffccedcfc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.568950] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8a755ef473 <4>[ 46.577212] RDX: 0000000000000012 RSI: 00007f8a754e3000 RDI: 0000000000000001 <4>[ 46.585476] RBP: 00007f8a754e3000 R08: 00007f8a754e2010 R09: 0000000000000000 <4>[ 46.593738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.602001] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.610266] irq event stamp: 0 <4>[ 46.613997] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.621288] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.630716] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 46.640143] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.647434] ---[ end trace c8f77ca8824754cc ]--- <6>[ 46.652881] lkdtm: Zero detected: saturated x1c60 # [ 35.902485] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 35.911911] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.919200] CPU: 2 PID: 1720 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 35.928140] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.935236] Call Trace: # [ 35.938254] dump_stack+0x77/0x9b # [ 35.942243] ___might_sleep.cold+0xa6/0xb6 # [ 35.947106] exit_signals+0x1c/0x300 # [ 35.951384] do_exit+0xc2/0xab0 # [ 35.955179] ? ksys_write+0x68/0xf0 # [ 35.959361] make_task_dead+0x2f/0x30 # [ 35.963739] rewind_stack_and_make_dead+0x17/0x20 # [ 35.969280] RIP: 0033:0x7f9b13768473 # [ 35.973558] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.994829] RSP: 002b:00007fffff074d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.003575] RAX: ffffffffffffffda RBX: 000000000000<6>[ 46.757866] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 000f RCX: 00007f9b13768473 # [ 36.011835] RDX: 00000000000000<6>[ 46.770182] lkdtm: attempting safe refcount_add_not_zero() from zero 0f RSI: 00007f9b1365c000 RDI: 0000000000000001 # [ 36.020096]<6>[ 46.783786] lkdtm: Good: zero detected RBP: 00007f9b1365c000 R08: 00007f9b1365b010 R09: 00000000000000<6>[ 46.794469] lkdtm: Correctly stayed at zero 00 # [ 36.028356] R10: fffffffffffffbc5 R11: 0000000000000246<6>[ 46.805635] lkdtm: attempting bad refcount_add() from zero R12: 0000000000000001 # [ 36.036617] R13: 0000000000000001 R<4>[ 46.818318] ------------[ cut here ]------------ 14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: sa<4>[ 46.829950] refcount_t: addition on 0; use-after-free. w 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh <4>[ 46.842251] WARNING: CPU: 0 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 36.130466] lkd<4>[ 46.858134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table tm: Performing direct entry EXEC_NULL # [ 36.137761] lkdtm: a<4>[ 46.917143] CPU: 0 PID: 2263 Comm: cat Tainted: G D W 5.10.185-cip35 #1 ttempting ok execution at ffffffff84579e50 # [ 36.144570] lkd<4>[ 46.932251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 tm: attempting bad execution at 0000000000000000 # [ 36.15149<4>[ 46.945587] RIP: 0010:refcount_warn_saturate+0x74/0x110 8] BUG: kernel NULL pointer dereference, address: 00000000000000<4>[ 46.957914] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 00 # [ 36.159573] #PF: supervisor instruction fetch in kernel<4>[ 46.985470] RSP: 0018:ffffac1c02bc7e48 EFLAGS: 00010286 mode # [ 36.172415] #PF: error_code(0x0010) - not-present pa<4>[ 46.997750] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ge # [ 36.178443] PGD 0 P4D 0 # [ 36.181557] Oops: 0010 [<4>[ 47.012237] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 #11] SMP PTI # [ 36.185837] CPU: 2 PID: 1756 Comm: cat Tainte<4>[ 47.026713] RBP: ffffffff859f9033 R08: 0000000000000000 R09: 0000000000000000 d: G D W 5.10.185-cip35 #1 # [ 36.194769] Hardwa<4>[ 47.041198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.201865<4>[ 47.055672] R13: ffffac1c02bc7f10 R14: ffffac1c02bc7f10 R15: ffff97bcc3661000 ] RIP: 0010:0x0 # [ 36.205077] Code: Unable to access opcode <4>[ 47.070162] FS: 00007ff424a3f580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 bytes at RIP 0xffffffffffffffd6. # [ 36.213046] RSP: 0018:fff<4>[ 47.085707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fac1c023d7e48 EFLAGS: 00010246 # [ 36.219170] RAX: 0000000000<4>[ 47.098629] CR2: 00007ff424849000 CR3: 000000010299c002 CR4: 00000000003706f0 000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 36.227<4>[ 47.113108] Call Trace: 431] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3a<4>[ 47.122361] ? __warn+0x80/0x110 d1bf70 # [ 36.235691] RBP: 0000000000000000 R08: 000000000000<4>[ 47.132458] ? refcount_warn_saturate+0x74/0x110 0000 R09: 0000000000000000 # [ 36.243952] R10: 00000000ffffe0<4>[ 47.144143] ? report_bug+0x9e/0xc0 00 R11: 3fffffffffffffff R12: 000000000000000a # [ 36.252213]<4>[ 47.154535] ? handle_bug+0x41/0x90 R13: ffffac1c023d7f10 R14: ffffac1c023d7f10 R15: ffff97bcc342e0<4>[ 47.164940] ? exc_invalid_op+0x14/0x70 00 # [ 36.260474] FS: 00007fb966ea2580(0000) GS:ffff97bd3ad0<4>[ 47.175729] ? asm_exc_invalid_op+0x12/0x20 0000(0000) knlGS:0000000000000000 # [ 36.269804] CS: 0010 DS<4>[ 47.186921] ? refcount_warn_saturate+0x74/0x110 : 0000 ES: 0000 CR0: 0000000080050033 # [ 36.276510] CR2: fff<4>[ 47.198573] ? refcount_warn_saturate+0x74/0x110 fffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0 # [ <4>[ 47.210255] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 36.284771] Call Trace: # [ 36.287791] ? __die_body.cold+0x1<4>[ 47.221702] direct_entry.cold+0x2c/0x38 a/0x1f # [ 36.292461] ? no_context+0x177/0x380 # [ 36.296<4>[ 47.232623] full_proxy_write+0x53/0x80 831] ? exc_page_fault+0x53/0x170 # [ 36.301500] ? asm_exc_p<4>[ 47.243390] vfs_write+0xe7/0x3b0 age_fault+0x1e/0x30 # [ 36.306464] execute_location+0x45/0x5<4>[ 47.253611] ksys_write+0x68/0xf0 6 # [ 36.311035] direct_entry.cold+0x2c/0x38 # [ 36.31570<4>[ 47.263810] do_syscall_64+0x30/0x40 5] full_proxy_write+0x53/0x80 # [ 36.320279] vfs_write+0xe7<4>[ 47.274317] entry_SYSCALL_64_after_hwframe+0x61/0xc6 /0x3b0 # [ 36.324268] ksys_write+0x68/0xf0 # [ 36.328259]<4>[ 47.286455] RIP: 0033:0x7ff424955473 do_syscall_64+0x30/0x40 # [ 36.332539] entry_SYSCALL_64_af<4>[ 47.296968] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ter_hwframe+0x61/0xc6 # [ 36.338461] RIP: 0033:0x7fb966db8473<4>[ 47.324449] RSP: 002b:00007ffd361a7bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.342731] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 <4>[ 47.339418] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff424955473 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1<4>[ 47.353889] RDX: 0000000000000012 RSI: 00007ff424849000 RDI: 0000000000000001 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 <4>[ 47.368378] RBP: 00007ff424849000 R08: 00007ff424848010 R09: 0000000000000000 48 83 ec 28 48 89 54 24 18 # [ 36.364005] RSP: 002b:00007ffe3<4>[ 47.382849] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.37<4>[ 47.397352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2751] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb96<4>[ 47.411805] irq event stamp: 0 6db8473 # [ 36.381013] RDX: 000000000000000a RSI: 00007fb966c<4>[ 47.421704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ac000 RDI: 0000000000000001 # [ 36.389274] RBP: 00007fb966cac<4>[ 47.435229] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 000 R08: 00007fb966cab010 R09: 0000000000000000 # [ 36.397535<4>[ 47.450856] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000<4>[ 47.466519] softirqs last disabled at (0): [<0000000000000000>] 0x0 001 # [ 36.405797] R13: 0000000000000001 R14: 000000000002000<4>[ 47.480021] ---[ end trace c8f77ca8824754cd ]--- 0 R15: 0000000000020000 # [ 36.414062] Modules linked in: fus<6>[ 47.491686] lkdtm: Zero detected: saturated e ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 36.473053] CR2: 0000000000000000 # [ 36.477032] ---[ end trace c8f77ca8824754be ]--- # [ 36.482479] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.487148] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 36.508421] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 36.514544] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.522804] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 36.531065] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 36.539324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.547585] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 36.555846] FS: 00007fb966ea2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 36.565175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.571880] CR2: ffffffffffffffd6 CR3: 0000000103016006 CR4: 00000000003706e0 # [ 36.580143] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.590358] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1756, name: cat # [ 36.599106] INFO: lockdep is turned off. # [ 36.603774] irq event stamp: 0 # [ 36.607470] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.614762] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 36.624180] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 36.633595] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.640885] CPU: 2 PID: 1756 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 36.649826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.656920] Call Trace: # [ 36.659938] dump_stack+0x77/0x9b # [ 36.663920] ___might_sleep.cold+0xa6/0xb6 # [ 36.668784] exit_signals+0x1c/0x300 # [ 36.673063] do_exit+0xc2/0xab0 # [ 36.676857] ? ksys_write+0x68/0xf0 # [ 36.681032] make_task_dead+0x2f/0x30 # [ 36.685410] rewind_stack_and_make_dead+0x17/0x20 # [ 36.690951] RIP: 0033:0x7fb966db8473 # [ 36.695229] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7<6>[ 47.782413] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 <6>[ 47.794259] lkdtm: attempting bad refcount_inc() from saturated 00 48 83 ec 28 48 89 54 24 18 # [ 36.716504] RSP: 002b:00007f<4>[ 47.807428] ------------[ cut here ]------------ fe3cbbe3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36<4>[ 47.819088] refcount_t: saturated; leaking memory. .725244] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f<4>[ 47.830978] WARNING: CPU: 1 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 b966db8473 # [ 36.733505] RDX: 000000000000000a RSI: 00007fb9<4>[ 47.846883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 66cac000 RDI: 0000000000000001 # [ 36.741766] RBP: 00007fb966<4>[ 47.905868] CPU: 1 PID: 2298 Comm: cat Tainted: G D W 5.10.185-cip35 #1 cac000 R08: 00007fb966cab010 R09: 0000000000000000 # [ 36.750<4>[ 47.920997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 027] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000<4>[ 47.934307] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 47.946649] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 000001 # [ 36.758288] R13: 0000000000000001 R14: 000000000002<4>[ 47.967922] RSP: 0018:ffffac1c02c5fe48 EFLAGS: 00010286 <4>[ 47.980258] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 0000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok <4>[ 47.988521] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 <4>[ 48.002994] RBP: ffffffff859f9045 R08: 0000000000000000 R09: 0000000000000000 ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS<4>[ 48.011257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 48.025728] R13: ffffac1c02c5ff10 R14: ffffac1c02c5ff10 R15: ffff97bcc365d000 _USERSPACE.sh # Killed # [ 36.865108] lkdtm: Performing dire<4>[ 48.033993] FS: 00007f35dda2c580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 <4>[ 48.049533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ct entry ACCESS_USERSPACE # [ 36.872545] lkdtm: attempting ba<4>[ 48.056241] CR2: 00007f35dd836000 CR3: 0000000103606003 CR4: 00000000003706e0 <4>[ 48.070714] Call Trace: d read at 00007f8363ac1000 # [ 36.878994] BUG: unable to hand<4>[ 48.073740] ? __warn+0x80/0x110 le page fault for address: 00007f8363ac1000 # [ 36.893170] #P<4>[ 48.083841] ? refcount_warn_saturate+0x51/0x110 F: supervisor read access in kernel mode # [ 36.899196] #PF: <4>[ 48.095503] ? report_bug+0x9e/0xc0 error_code(0x0001) - permissions violation # [ 36.905707] PGD<4>[ 48.105903] ? handle_bug+0x41/0x90 80000001037e5067 P4D 80000001037e5067 PUD 1035cd067 PMD 1035030<4>[ 48.116300] ? exc_invalid_op+0x14/0x70 67 PTE 10b1ca067 # [ 36.915718] Oops: 0001 [#12] SMP PTI # [<4>[ 48.127088] ? asm_exc_invalid_op+0x12/0x20 36.919989] CPU: 2 PID: 1791 Comm: cat Tainted: G D W <4>[ 48.138269] ? refcount_warn_saturate+0x51/0x110 5.10.185-cip35 #1 # [ 36.928928] Hardware name: Google R<4>[ 48.149928] ? refcount_warn_saturate+0x51/0x110 ammus/Rammus, BIOS 09/04/2020 # [ 36.936026] RIP: 0010:lkdtm<4>[ 48.161590] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 _ACCESS_USERSPACE.cold+0x41/0xa3 # [ 36.942537] Code: 00 00 0<4>[ 48.173543] direct_entry.cold+0x2c/0x38 0 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 9e 9f<4>[ 48.184427] full_proxy_write+0x53/0x80 85 e8 d7 d7 fb ff 48 c7 c7 d0 9e 9f 85 b8 de c0 de c0 <48> 03 4<4>[ 48.195214] vfs_write+0xe7/0x3b0 5 00 48 89 04 24 e8 be d7 fb ff 48 89 ee 48 c7 c7 f8 9e 9f # [ <4>[ 48.205433] ksys_write+0x68/0xf0 36.963809] RSP: 0018:ffffac1c02477e48 EFLAGS: 00010246 # [ <4>[ 48.215640] do_syscall_64+0x30/0x40 36.969933] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000<4>[ 48.226134] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000000000 # [ 36.978185] RDX: 0000000000000000 RSI: ffff97<4>[ 48.238281] RIP: 0033:0x7f35dd942473 bd3ad1bf70 RDI: ffffffff859f9ed0 # [ 36.986437] RBP: 00007f83<4>[ 48.248776] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 63ac1000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.9<4>[ 48.276265] RSP: 002b:00007fffabc97118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 94696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000<4>[ 48.291229] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35dd942473 00000011 # [ 37.002957] R13: ffffac1c02477f10 R14: ffffac1c02<4>[ 48.305705] RDX: 0000000000000017 RSI: 00007f35dd836000 RDI: 0000000000000001 477f10 R15: ffff97bcc3668000 # [ 37.011216] FS: 00007f8363a9<4>[ 48.320182] RBP: 00007f35dd836000 R08: 00007f35dd835010 R09: 0000000000000000 2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [<4>[ 48.334660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 37.020544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.349139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.027250] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR<4>[ 48.363621] irq event stamp: 0 4: 00000000003706e0 # [ 37.035508] Call Trace: # [ 37.0385<4>[ 48.373532] hardirqs last enabled at (0): [<0000000000000000>] 0x0 27] ? __die_body.cold+0x1a/0x1f # [ 37.043196] ? no_context<4>[ 48.387040] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 +0x177/0x380 # [ 37.047574] ? exc_page_fault+0x53/0x170 # [<4>[ 48.402682] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 37.052243] ? asm_exc_page_fault+0x1e/0x30 # [ 37.057206] <4>[ 48.418325] softirqs last disabled at (0): [<0000000000000000>] 0x0 ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 37.063039] ? lk<4>[ 48.431830] ---[ end trace c8f77ca8824754ce ]--- dtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 37.068873] direct_en<6>[ 48.443492] lkdtm: Saturation detected: still saturated try.cold+0x2c/0x38 # [ 37.073532] full_proxy_write+0x53/0x80 # [ 37.078103] vfs_write+0xe7/0x3b0 # [ 37.082092] ksys_write+0x68/0xf0 # [ 37.086083] do_syscall_64+0x30/0x40 # [ 37.090364] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.096294] RIP: 0033:0x7f83639a8473 # [ 37.100566] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.121839] RSP: 002b:00007ffc34378f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.130577] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f83639a8473 # [ 37.138838] RDX: 0000000000000011 RSI: 00007f836389c000 RDI: 0000000000000001 # [ 37.147097] RBP: 00007f836389c000 R08: 00007f836389b010 R09: 0000000000000000 # [ 37.155357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.163614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.171878] Modules linked in: fuse ip_tables cros_ec_lid_angle <6>[ 48.560417] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 48.568587] lkdtm: attempting bad refcount_dec() from saturated <4>[ 48.575522] ------------[ cut here ]------------ <4>[ 48.580970] refcount_t: decrement hit 0; leaking memory. <4>[ 48.587224] WARNING: CPU: 2 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff<4>[ 48.596948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 48.655899] CPU: 2 PID: 2333 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 48.664865] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.671997] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 48.678126] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 48.699436] RSP: 0018:ffffac1c02ccfe48 EFLAGS: 00010286 er kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_s<4>[ 48.705580] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 48.720045] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 48.728308] RBP: ffffffff859f905c R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.736571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 48.744835] R13: ffffac1c02ccff10 R14: ffffac1c02ccff10 R15: ffff97bcc6fc3000 <4>[ 48.753098] FS: 00007faf645d8580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 48.762431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.769139] CR2: 00007faf643e2000 CR3: 000000010341c001 CR4: 00000000003706e0 <4>[ 48.777415] Call Trace: <4>[ 48.780438] ? __warn+0x80/0x110 ensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lig<4>[ 48.784368] ? refcount_warn_saturate+0xfb/0x110 <4>[ 48.796027] ? report_bug+0x9e/0xc0 <4>[ 48.800216] ? handle_bug+0x41/0x90 <4>[ 48.804431] ? exc_invalid_op+0x14/0x70 <4>[ 48.809008] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.814003] ? refcount_warn_saturate+0xfb/0x110 <4>[ 48.819485] ? refcount_warn_saturate+0xfb/0x110 <4>[ 48.824963] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 48.830705] direct_entry.cold+0x2c/0x38 <4>[ 48.835423] full_proxy_write+0x53/0x80 <4>[ 48.839999] vfs_write+0xe7/0x3b0 <4>[ 48.844020] ksys_write+0x68/0xf0 <4>[ 48.848015] do_syscall_64+0x30/0x40 <4>[ 48.852329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.858264] RIP: 0033:0x7faf644ee473 <4>[ 48.862546] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.883821] RSP: 002b:00007fff7221cc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.892570] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faf644ee473 <4>[ 48.900834] RDX: 0000000000000017 RSI: 00007faf643e2000 RDI: 0000000000000001 <4>[ 48.909098] RBP: 00007faf643e2000 R08: 00007faf643e1010 R09: 0000000000000000 <4>[ 48.917364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.925628] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.933915] irq event stamp: 0 htbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_ch<4>[ 48.937622] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.951123] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.960551] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 48.969977] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.977268] ---[ end trace c8f77ca8824754cf ]--- <6>[ 48.982714] lkdtm: Saturation detected: still saturated ardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.230866] CR2: 00007f8363ac1000 # [ 37.234855] ---[ end trace c8f77ca8824754bf ]--- # [ 37.240301] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.244969] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 37.266241] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 37.272364] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.280624] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 37.288884] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 37.297142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.305410] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 37.313671] FS: 00007f8363a92580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 37.323000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.329705] CR2: 00007f8363ac1000 CR3: 0000000102a8c001 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 37.443903] lkdtm: Performing direct entry ACCESS_NULL # [ 37.455926] lkdtm: attempting bad read at 0000000000000000 # [ 37.462364] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 37.476633] #PF: supervisor read access in kernel mode # [ 37.482659] #PF: error_code(0x0000) - not-present page # [ 37.488687] PGD 0 P4D 0 # [ 37.491804] Oops: 0000 [#13] SMP PTI # [ 37.496074] CPU: 2 PID: 1826 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 37.505007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.512104] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 37.517644] Code: 7b d7 fb ff be 00 10 00 00 48 89 ef e8 4d 96 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 9e 9f 85 e8 55 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 9e 9f 85 48 01 # [ 37.538916] RSP: 0018:ffffac1c024dfe58 EFLAGS: 00010246 # [ 37.545039] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 37.553298] RDX: 0000000000000000 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ 37.561557] RBP: ffffffff859f8f99 R08: 0000000000000000 R09: 0000000000000000 # [ 37.569818] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 37.578079] R13: ffffac1c024dff10 R14: ffffac1c024dff10 R15: ffff97bcc6f5d000 # [ 37.586357] FS: 00007f1a51d62580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 37.595676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.602383] CR2: 0000000000000000 CR3: 0000000103646004 CR4: 00000000003706e0 # [ 37.610660] Call Trace: # [ 37.613680] ? __die_body.cold+0x1a/0x1f # [ 37.618361] ? no_context+0x177/0x380 # [ 37.622740] ? exc_page_fault+0x53/0x170 # [ 37.627415] ? asm_exc_page_fault+0x1e/0x30 # [ 37.632378] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 37.637240] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 37.642102] direct_entry.cold+0x2c/0x38 # [ 37.646771] f<6>[ 49.322805] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 49.331743] lkdtm: attempting bad refcount_dec() from saturated <4>[ 49.338652] ------------[ cut here ]------------ <4>[ 49.344108] refcount_t: saturated; leaking memory. ull_proxy_write+0x53/0x80 # [ 37.651359] vfs_write+0xe7/0x3b<4>[ 49.349794] WARNING: CPU: 2 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0 # [ 37.655360] ksys_write+0x68/0xf0 # [ 37.659358] do_<4>[ 49.365706] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table <4>[ 49.424701] CPU: 2 PID: 2368 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 49.433675] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.440776] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 49.446909] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 <4>[ 49.468216] RSP: 0018:ffffac1c02d4fe48 EFLAGS: 00010286 <4>[ 49.474379] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 49.482669] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 <4>[ 49.490933] RBP: ffffffff859f9073 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.499228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 49.507492] R13: ffffac1c02d4ff10 R14: ffffac1c02d4ff10 R15: ffff97bcc30f5000 <4>[ 49.515756] FS: 00007f1894a26580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 <4>[ 49.525088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.531799] CR2: 00007f1894830000 CR3: 0000000105f06005 CR4: 00000000003706e0 <4>[ 49.540061] Call Trace: <4>[ 49.543086] ? __warn+0x80/0x110 syscall_64+0x30/0x40 # [ 37.663636] entry_SYSCALL_64_after_h<4>[ 49.547011] ? refcount_warn_saturate+0x51/0x110 <4>[ 49.558667] ? report_bug+0x9e/0xc0 <4>[ 49.562887] ? handle_bug+0x41/0x90 <4>[ 49.567103] ? exc_invalid_op+0x14/0x70 <4>[ 49.571679] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.576696] ? refcount_warn_saturate+0x51/0x110 wframe+0x61/0xc6 # [ 37.669565] RIP: 0033:0x7f1a51c78473 # [<4>[ 49.582159] ? refcount_warn_saturate+0x51/0x110 <4>[ 49.593809] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 49.599552] direct_entry.cold+0x2c/0x38 <4>[ 49.604255] full_proxy_write+0x53/0x80 37.673843] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<4>[ 49.608866] vfs_write+0xe7/0x3b0 <4>[ 49.619068] ksys_write+0x68/0xf0 <4>[ 49.623062] do_syscall_64+0x30/0x40 <4>[ 49.627390] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <4>[ 49.633363] RIP: 0033:0x7f189493c473 <4>[ 49.643860] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.665136] RSP: 002b:00007ffcfc69bf18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.673885] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f189493c473 <4>[ 49.682148] RDX: 0000000000000017 RSI: 00007f1894830000 RDI: 0000000000000001 <4>[ 49.690413] RBP: 00007f1894830000 R08: 00007f189482f010 R09: 0000000000000000 <4>[ 49.698675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.706940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.715207] irq event stamp: 0 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[ 49.718932] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.732435] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.741865] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 <4>[ 49.751293] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.758585] ---[ end trace c8f77ca8824754d0 ]--- <6>[ 49.764033] lkdtm: Saturation detected: still saturated ec 28 48 89 54 24 18 # [ 37.695114] RSP: 002b:00007ffe849cd088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.703859] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f1a51c78473 # [ 37.712118] RDX: 000000000000000c RSI: 00007f1a51b6c000 RDI: 0000000000000001 # [ 37.720377] RBP: 00007f1a51b6c000 R08: 00007f1a51b6b010 R09: 0000000000000000 # [ 37.728637] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.736896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.745158] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.80414<6>[ 49.875495] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 4] CR2: 0000000000000000 # [ 37.808131] ---[ end trace c8f77c<6>[ 49.883854] lkdtm: attempting bad refcount_inc_not_zero() from saturated a8824754c0 ]--- # [ 37.813575] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 49.897857] ------------[ cut here ]------------ # [ 37.818244] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff<4>[ 49.909515] refcount_t: saturated; leaking memory. eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff <4>[ 49.921389] WARNING: CPU: 0 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44<4>[ 49.937414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 00 00 83 05 10 51 e9 02 # [ 37.839516] RSP: 0018:ffffac1c013<4>[ 49.996277] CPU: 0 PID: 2400 Comm: cat Tainted: G D W 5.10.185-cip35 #1 27e60 EFLAGS: 00010282 # [ 37.845639] RAX: ffffffff84579a80 R<4>[ 50.011509] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 BX: 0000000000000001 RCX: 0000000000000000 # [ 37.853898] RDX<4>[ 50.024790] RIP: 0010:refcount_warn_saturate+0x97/0x110 : 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 <4>[ 50.037158] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 # [ 37.862157] RBP: ffffffff85a5d470 R08: 0000000000000001 R09<4>[ 50.064628] RSP: 0018:ffffac1c02dcfe38 EFLAGS: 00010282 : 0000000000000001 # [ 37.870415] R10: 00000000ffffe000 R11: <4>[ 50.077006] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 3fffffffffffffff R12: 0000000000000004 # [ 37.878673] R13: ff<4>[ 50.091507] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 ffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ <4>[ 50.105987] RBP: ffffffff859f8ca0 R08: 0000000000000000 R09: 0000000000000000 37.886933] FS: 00007f1a51d62580(0000) GS:ffff97bd3ad00000(000<4>[ 50.120467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0) knlGS:0000000000000000 # [ 37.896259] CS: 0010 DS: 0000 E<4>[ 50.134951] R13: ffffac1c02dcff10 R14: ffffac1c02dcff10 R15: ffff97bcc324a000 S: 0000 CR0: 0000000080050033 # [ 37.902966] CR2: 00000000000<4>[ 50.149471] FS: 00007f1c9b376580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 00000 CR3: 0000000103646004 CR4: 00000000003706e0 # ACCESS_NULL<4>[ 50.165013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh <4>[ 50.177923] CR2: 00007f1c9b180000 CR3: 00000001030d6002 CR4: 00000000003706f0 # selftests: lkdtm: WRITE_RO.sh # Killed # [ 38.002350] lkd<4>[ 50.192450] Call Trace: tm: Performing direct entry WRITE_RO # [ 38.010227] lkdtm: at<4>[ 50.201712] ? __warn+0x80/0x110 tempting bad rodata write at ffffffff8557ed50 # [ 38.017460] <4>[ 50.211802] ? refcount_warn_saturate+0x97/0x110 BUG: unable to handle page fault for address: ffffffff8557ed50 <4>[ 50.223512] ? report_bug+0x9e/0xc0 # [ 38.025435] #PF: supervisor write access in kernel mode # <4>[ 50.233933] ? handle_bug+0x41/0x90 [ 38.031560] #PF: error_code(0x0003) - permissions violation <4>[ 50.244316] ? exc_invalid_op+0x14/0x70 # [ 38.038072] PGD 41c29067 P4D 41c29067 PUD 41c2a063 PMD 8000<4>[ 50.255153] ? asm_exc_invalid_op+0x12/0x20 0000414000e1 # [ 38.045848] Oops: 0003 [#14] SMP PTI # [ <4>[ 50.266307] ? refcount_warn_saturate+0x97/0x110 38.050128] CPU: 2 PID: 1861 Comm: cat Tainted: G D W <4>[ 50.277975] ? refcount_warn_saturate+0x97/0x110 5.10.185-cip35 #1 # [ 38.059059] Hardware name: Google Ramm<4>[ 50.289628] __refcount_add_not_zero.constprop.0+0x2a/0x35 us/Rammus, BIOS 09/04/2020 # [ 38.066155] RIP: 0010:lkdtm_WR<4>[ 50.302256] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 ITE_RO+0x2e/0x3a # [ 38.071412] Code: 00 48 c7 c7 88 9d 9f 85<4>[ 50.315117] direct_entry.cold+0x2c/0x38 48 c7 c6 50 ed 57 85 e8 ff d9 fb ff 48 8b 05 b7 36 97 00 ba 34 <4>[ 50.326023] full_proxy_write+0x53/0x80 12 cd ab 48 c7 c7 b8 9d 9f 85 48 31 d0 <48> 89 05 a1 36 97 00 e9<4>[ 50.336831] vfs_write+0xe7/0x3b0 dd d9 fb ff 0f 1f 44 00 00 48 8b 05 70 2c # [ 38.092686] RSP<4>[ 50.347048] ksys_write+0x68/0xf0 : 0018:ffffac1c0249fe60 EFLAGS: 00010202 # [ 38.098802] RAX: <4>[ 50.357250] do_syscall_64+0x30/0x40 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # <4>[ 50.367765] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.107062] RDX: 00000000abcd1234 RSI: ffff97bd3ad1bf70 RDI: <4>[ 50.379924] RIP: 0033:0x7f1c9b28c473 ffffffff859f9db8 # [ 38.115323] RBP: ffffffff859f8fa5 R08: 00<4>[ 50.390446] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000000000 R09: 0000000000000000 # [ 38.123585] R10: 0000<4>[ 50.417965] RSP: 002b:00007ffff6b899a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ <4>[ 50.432936] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1c9b28c473 38.131846] R13: ffffac1c0249ff10 R14: ffffac1c0249ff10 R15: ffff<4>[ 50.447445] RDX: 0000000000000020 RSI: 00007f1c9b180000 RDI: 0000000000000001 97bcc31a4000 # [ 38.140106] FS: 00007f9ccc940580(0000) GS:ff<4>[ 50.461904] RBP: 00007f1c9b180000 R08: 00007f1c9b17f010 R09: 0000000000000000 ff97bd3ad00000(0000) knlGS:0000000000000000 # [ 38.149433] CS<4>[ 50.476397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.156137<4>[ 50.490863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 0000000000370<4>[ 50.505369] irq event stamp: 0 6e0 # [ 38.164409] Call Trace: # [ 38.167429] ? __die_bod<4>[ 50.515258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 y.cold+0x1a/0x1f # [ 38.172098] ? no_context+0x177/0x380 # <4>[ 50.528773] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 38.176475] ? exc_page_fault+0xd7/0x170 # [ 38.181143] ?<4>[ 50.544416] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 asm_exc_page_fault+0x1e/0x30 # [ 38.186105] ? lkdtm_WRITE_R<4>[ 50.560076] softirqs last disabled at (0): [<0000000000000000>] 0x0 O+0x2e/0x3a # [ 38.190674] direct_entry.cold+0x2c/0x38 # [ <4>[ 50.573565] ---[ end trace c8f77ca8824754d1 ]--- 38.195360] full_proxy_write+0x53/0x80 # [ 38.199932] vfs_<6>[ 50.585240] lkdtm: Saturation detected: still saturated write+0xe7/0x3b0 # [ 38.203911] ksys_write+0x68/0xf0 # [ 38.207900] do_syscall_64+0x30/0x40 # [ 38.212179] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.218108] RIP: 0033:0x7f9ccc856473 # [ 38.222387] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.243658] RSP: 002b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.252409] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9ccc856473 # [ 38.260667] RDX: 0000000000000009 RSI: 00007f9ccc74a000 RDI: 0000000000000001 # [ 38.268926] RBP: 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000 # [ 38.277186] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.285446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.293709] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.352696] CR2: ffffffff8557ed50 # [ 38.356684] ---[ end trace c8f77ca8824754c1 ]--- # [ 38.362129] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.366795] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 38.388066] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 38.394189] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.402448] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 38.410707] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 38.418967] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.427227] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 38.435486] FS: 00007f9ccc940580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 38.444813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.451520] CR2: ffffffff8557ed50 CR3: 000000010349e006 CR4: 00000000003706e0 # [ 38.459778] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.469979] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat # [ 38.478723] INFO: lockdep is turned off. # [ 38.483406] irq event stamp: 0 # [ 38.487102] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.494410] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 38.503837] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 38.513252] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.520539] CPU: 2 PID: 1861 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 38.529478] Hardware name: Google Rammus/Rammus, BIOS<6>[ 50.927052] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 09/04/2020 # [ 38.536571] Call Trace: # [ 38.539590] du<6>[ 50.935166] lkdtm: attempting bad refcount_add_not_zero() from saturated mp_stack+0x77/0x9b # [ 38.543579] ___might_sleep.cold+0xa6/0<4>[ 50.949169] ------------[ cut here ]------------ xb6 # [ 38.548442] exit_signals+0x1c/0x300 # [ 38.552720]<4>[ 50.960834] refcount_t: saturated; leaking memory. do_exit+0xc2/0xab0 # [ 38.556515] ? ksys_write+0x68/0xf0 <4>[ 50.972702] WARNING: CPU: 0 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 38.560696] make_task_dead+0x2f/0x30 # [ 38.565072] re<4>[ 50.988675] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table wind_stack_and_make_dead+0x17/0x20 # [ 38.570614] RIP: 0033:0<4>[ 51.047601] CPU: 0 PID: 2432 Comm: cat Tainted: G D W 5.10.185-cip35 #1 x7f9ccc856473 # [ 38.574891] Code: 8b 15 21 2a 0e 00 f7 d8 64<4>[ 51.062799] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 <4>[ 51.076111] RIP: 0010:refcount_warn_saturate+0x97/0x110 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3<4>[ 51.088471] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.596163] RSP: 0<4>[ 51.115964] RSP: 0018:ffffac1c02e6fe38 EFLAGS: 00010282 02b:00007ffd3954de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001<4>[ 51.128321] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 38.604900] RAX: ffffffffffffffda RBX: 0000000000000009 R<4>[ 51.142764] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 CX: 00007f9ccc856473 # [ 38.613159] RDX: 0000000000000009 RSI<4>[ 51.157247] RBP: ffffffff859f8cc0 R08: 0000000000000000 R09: 0000000000000000 : 00007f9ccc74a000 RDI: 0000000000000001 # [ 38.621417] RBP: <4>[ 51.171742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00007f9ccc74a000 R08: 00007f9ccc749010 R09: 0000000000000000 # <4>[ 51.186184] R13: ffffac1c02e6ff10 R14: ffffac1c02e6ff10 R15: ffff97bcc375a000 [ 38.629675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: <4>[ 51.200703] FS: 00007f4eec662580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 0000000000000001 # [ 38.637935] R13: 0000000000000001 R14: 00<4>[ 51.216234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trac<4>[ 51.229202] CR2: 00007f4eec46c000 CR3: 0000000103752006 CR4: 00000000003706f0 e:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm<4>[ 51.243699] Call Trace: : WRITE_RO_AFTER_INIT.sh # Killed # [ 38.755170] lkdtm: Perf<4>[ 51.252940] ? __warn+0x80/0x110 orming direct entry WRITE_RO_AFTER_INIT # [ 38.764933] lkdtm:<4>[ 51.263071] ? refcount_warn_saturate+0x97/0x110 attempting bad ro_after_init write at ffffffff85a7e330 # [ 3<4>[ 51.274753] ? report_bug+0x9e/0xc0 8.772824] BUG: unable to handle page fault for address: ffffffff<4>[ 51.285161] ? handle_bug+0x41/0x90 85a7e330 # [ 38.786995] #PF: supervisor write access in kerne<4>[ 51.295545] ? exc_invalid_op+0x14/0x70 l mode # [ 38.793119] #PF: error_code(0x0003) - permissions v<4>[ 51.306370] ? asm_exc_invalid_op+0x12/0x20 iolation # [ 38.799631] PGD 41c29067 P4D 41c29067 PUD 41c2a06<4>[ 51.317572] ? refcount_warn_saturate+0x97/0x110 3 PMD 1028da063 PTE 8000000041a7e061 # [ 38.808671] Oops: 000<4>[ 51.329252] ? refcount_warn_saturate+0x97/0x110 3 [#15] SMP PTI # [ 38.812950] CPU: 3 PID: 1896 Comm: cat Tai<4>[ 51.340882] __refcount_add_not_zero.constprop.0+0x2a/0x35 nted: G D W 5.10.185-cip35 #1 # [ 38.821887] Har<4>[ 51.353580] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.828<4>[ 51.366414] direct_entry.cold+0x2c/0x38 985] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 38.835<4>[ 51.377338] full_proxy_write+0x53/0x80 303] Code: 9d 9f 85 e9 b1 d9 fb ff 48 c7 c7 10 9e 9f 85 e8 a5 d9<4>[ 51.388103] vfs_write+0xe7/0x3b0 fb ff 48 8b 05 3d 2c e7 00 ba 34 12 cd ab 48 c7 c7 b8 9d 9f 85 <4>[ 51.398333] ksys_write+0x68/0xf0 48 31 d0 <48> 89 05 27 2c e7 00 e9 83 d9 fb ff 0f 1f 44 00 00 41<4>[ 51.408511] do_syscall_64+0x30/0x40 54 48 c7 c7 # [ 38.856572] RSP: 0018:ffffac1c025e7e60 EFLAGS<4>[ 51.419039] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 00010202 # [ 38.862694] RAX: 00000000fe67479e RBX: 00000000<4>[ 51.431194] RIP: 0033:0x7f4eec578473 00000029 RCX: 0000000000000000 # [ 38.870954] RDX: 00000000ab<4>[ 51.441710] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 cd1234 RSI: ffff97bd3ad9bf70 RDI: ffffffff859f9db8 # [ 38.879<4>[ 51.469194] RSP: 002b:00007fffbc0172b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 214] RBP: ffffffff859f8fae R08: 0000000000000000 R09: 0000000000<4>[ 51.484167] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4eec578473 000000 # [ 38.887471] R10: 00000000ffffe000 R11: 3fffffffffff<4>[ 51.498639] RDX: 0000000000000020 RSI: 00007f4eec46c000 RDI: 0000000000000001 ffff R12: 0000000000000014 # [ 38.895730] R13: ffffac1c025e7f<4>[ 51.513129] RBP: 00007f4eec46c000 R08: 00007f4eec46b010 R09: 0000000000000000 10 R14: ffffac1c025e7f10 R15: ffff97bcc2996000 # [ 38.903989]<4>[ 51.527600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 FS: 00007f656773b580(0000) GS:ffff97bd3ad80000(0000) knlGS:000<4>[ 51.542098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000 # [ 38.913316] CS: 0010 DS: 0000 ES: 0000 CR0:<4>[ 51.556570] irq event stamp: 0 0000000080050033 # [ 38.920022] CR2: ffffffff85a7e330 CR3: 0<4>[ 51.566492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000001029ca004 CR4: 00000000003706e0 # [ 38.928283] Call Tra<4>[ 51.580001] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ce: # [ 38.931302] ? __die_body.cold+0x1a/0x1f # [ 38.935<4>[ 51.595648] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 972] ? no_context+0x177/0x380 # [ 38.940360] ? exc_page_fau<4>[ 51.611288] softirqs last disabled at (0): [<0000000000000000>] 0x0 lt+0xd7/0x170 # [ 38.945028] ? asm_exc_page_fault+0x1e/0x30 <4>[ 51.624808] ---[ end trace c8f77ca8824754d2 ]--- # [ 38.949990] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ <6>[ 51.636458] lkdtm: Saturation detected: still saturated 38.955629] direct_entry.cold+0x2c/0x38 # [ 38.960298] full_proxy_write+0x53/0x80 # [ 38.964871] vfs_write+0xe7/0x3b0 # [ 38.968861] ksys_write+0x68/0xf0 # [ 38.972850] do_syscall_64+0x30/0x40 # [ 38.977127] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.983057] RIP: 0033:0x7f6567651473 # [ 38.987356] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.008626] RSP: 002b:00007ffd7e726228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.017372] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6567651473 # [ 39.025630] RDX: 0000000000000014 RSI: 00007f6567545000 RDI: 0000000000000001 # [ 39.033891] RBP: 00007f6567545000 R08: 00007f6567544010 R09: 0000000000000000 # [ 39.042151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.050410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.058674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust<6>[ 51.760353] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED rialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cr<6>[ 51.768634] lkdtm: attempting bad refcount_dec_and_test() from saturated os_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbp<4>[ 51.782659] ------------[ cut here ]------------ d_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videob<4>[ 51.794316] refcount_t: underflow; use-after-free. uf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videob<4>[ 51.806182] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 uf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common <4>[ 51.822115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_<4>[ 51.881092] CPU: 0 PID: 2467 Comm: cat Tainted: G D W 5.10.185-cip35 #1 pstore cros_kbd_led_backlight coreboot_table # [ 39.117661] C<4>[ 51.896211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R2: ffffffff85a7e330 # [ 39.121648] ---[ end trace c8f77ca882<4>[ 51.909567] RIP: 0010:refcount_warn_saturate+0xba/0x110 4754c2 ]--- # [ 39.127093] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 51.921893] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 39.131751] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb <4>[ 51.949436] RSP: 0018:ffffac1c02ef7e40 EFLAGS: 00010286 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c<4>[ 51.961822] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 <4>[ 51.976289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 00 83 05 10 51 e9 02 # [ 39.153021] RSP: 0018:ffffac1c01327e6<4>[ 51.990858] RBP: ffffffff859f8ce0 R08: 0000000000000000 R09: 0000000000000000 0 EFLAGS: 00010282 # [ 39.159145] RAX: ffffffff84579a80 RBX: <4>[ 52.005265] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000000000000001 RCX: 0000000000000000 # [ 39.167406] RDX: 00<4>[ 52.019847] R13: ffffac1c02ef7f10 R14: ffffac1c02ef7f10 R15: ffff97bcc5cf6000 00000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ <4>[ 52.034249] FS: 00007effda619580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 39.175657] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 00<4>[ 52.049896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000001 # [ 39.183915] R10: 00000000ffffe000 R11: 3fff<4>[ 52.062731] CR2: 00007effda423000 CR3: 000000010300c004 CR4: 00000000003706f0 ffffffffffff R12: 0000000000000004 # [ 39.192176] R13: ffffac<4>[ 52.077228] Call Trace: 1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 39<4>[ 52.086443] ? __warn+0x80/0x110 .200435] FS: 00007f656773b580(0000) GS:ffff97bd3ad80000(0000) k<4>[ 52.096566] ? refcount_warn_saturate+0xba/0x110 nlGS:0000000000000000 # [ 39.209764] CS: 0010 DS: 0000 ES: 0<4>[ 52.108214] ? report_bug+0x9e/0xc0 000 CR0: 0000000080050033 # [ 39.216468] CR2: ffffffff85a7e33<4>[ 52.118630] ? refcount_warn_saturate+0xba/0x110 0 CR3: 00000001029ca004 CR4: 00000000003706e0 # WRITE_RO_AFTER_<4>[ 52.130279] ? handle_bug+0x41/0x90 INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AF<4>[ 52.140699] ? exc_invalid_op+0x14/0x70 TER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ <4>[ 52.151473] ? asm_exc_invalid_op+0x12/0x20 39.330218] lkdtm: Performing direct entry WRITE_KERN # [ 39.3<4>[ 52.162663] ? refcount_warn_saturate+0xba/0x110 36373] lkdtm: attempting bad 6887363 byte write at ffffffff84c0b<4>[ 52.174336] __refcount_sub_and_test.constprop.0+0x3c/0x50 613 # [ 39.350373] BUG: unable to handle page fault for addre<4>[ 52.186989] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 ss: ffffffff84c0b613 # [ 39.364540] #PF: supervisor write acc<4>[ 52.199808] direct_entry.cold+0x2c/0x38 ess in kernel mode # [ 39.370664] #PF: error_code(0x0003) - p<4>[ 52.210693] full_proxy_write+0x53/0x80 ermissions violation # [ 39.377175] PGD 41c29067 P4D 41c29067<4>[ 52.221487] vfs_write+0xe7/0x3b0 PUD 41c2a063 PMD 40c000e1 # [ 39.384176] Oops: 0003 [#16] S<4>[ 52.231675] ksys_write+0x68/0xf0 MP PTI # [ 39.388457] CPU: 1 PID: 1931 Comm: cat Tainted: G <4>[ 52.241882] do_syscall_64+0x30/0x40 D W 5.10.185-cip35 #1 # [ 39.397396] Hardware nam<4>[ 52.252445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.404514] RIP:<4>[ 52.264529] RIP: 0033:0x7effda52f473 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 39.416167] Code: 53 48 c<4>[ 52.275028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7 c3 13 b6 c0 84 49 89 dc 48 89 da 49 81 ec 50 9e 57 84 4c 89 e6<4>[ 52.302560] RSP: 002b:00007ffe6c9bd5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e8 58 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 50 9e 57 84 a4 4<4>[ 52.317542] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007effda52f473 8 c7 c7 b8 9d 9f 85 e8 3d d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ <4>[ 52.332024] RDX: 0000000000000020 RSI: 00007effda423000 RDI: 0000000000000001 39.437427] RSP: 0018:ffffac1c02687e50 EFLAGS: 00010246 # [ <4>[ 52.346501] RBP: 00007effda423000 R08: 00007effda422010 R09: 0000000000000000 39.443550] RAX: 000000000000003c RBX: ffffffff84c0b613 RCX: 0000<4>[ 52.360982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000006917c3 # [ 39.451811] RDX: 0000000000000000 RSI: ffffff<4>[ 52.375459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff84579e50 RDI: ffffffff84c0b613 # [ 39.460069] RBP: ffffffff<4>[ 52.389947] irq event stamp: 0 859f8fc2 R08: 0000000000000000 R09: 0000000000000000 # [ 39.4<4>[ 52.399842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 68329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000<4>[ 52.413375] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 006917c3 # [ 39.476613] R13: ffffac1c02687f10 R14: ffffac1c02<4>[ 52.429050] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 687f10 R15: ffff97bcc371b000 # [ 39.484873] FS: 00007f041f2a<4>[ 52.444671] softirqs last disabled at (0): [<0000000000000000>] 0x0 c580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 # [<4>[ 52.458208] ---[ end trace c8f77ca8824754d3 ]--- 39.494200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <6>[ 52.469844] lkdtm: Saturation detected: still saturated # [ 39.500905] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0 # [ 39.509165] Call Trace: # [ 39.512184] ? __die_body.cold+0x1a/0x1f # [ 39.516855] ? no_context+0x177/0x380 # [ 39.527443] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 39.533181] ? exc_page_fault+0xd7/0x170 # [ 39.544061] ? asm_exc_page_fault+0x1e/0x30 # [ 39.549019] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 39.554757] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 39.559910] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 39.565646] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 39.570411] direct_entry.cold+0x2c/0x38 # [ 39.575070] full_proxy_write+0x53/0x80 # [ 39.579643] vfs_write+0xe7/0x3b0 # [ 39.589841] ksys_write+0x68/0xf0 # [ 39.593831] do_syscall_64+0x30/0x40 # [ 39.598109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.604040] RIP: 0033:0x7f041f1c2473 # [ 39.608311] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.629583] RSP: 002b:00007ffdad18b998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.638328] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c2473 # [ 39.646613] RDX: 000000000000000b RSI: 00007f041f0b6000 RDI: 0000000000000001 # [ 39.654873] RBP: 00007f041f0b6000 R08: 00007f041f0b5010 R09: 0000000000000000 # [ 39.663133] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.671410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.679674] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.738625] CR2: ffffffff84c0b613 # [ 39.742604] ---[ end trace c8f77ca8824754c3 ]--- # [ 39.748039] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.752708] Code: 89 ff e8 2e e2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 10 51 e9 02 # [ 39.773969] RSP: 0018:ffffac1c01327e60 EFLAGS: 00010282 # [ 39.780093] RAX: ffffffff84579a80 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.788355] RDX: 0000000000000000 RSI: ffff97bd3ac9bf70 RDI: ffffffff8557e8d0 # [ 39.796613] RBP: ffffffff85a5d470 R08: 0000000000000001 R09: 0000000000000001 # [ 39.804871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.813131] R13: ffffac1c01327f10 R14: ffffac1c01327f10 R15: ffff97bcc6f45000 # [ 39.821410] FS: 00007f041f2ac580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 # [ 39.830736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.837441] CR2: ffffffff84c0b613 CR3: 00000001035ce004 CR4: 00000000003706e0 # [ 39.845700] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.855900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat # [ 39.864644] INFO: lockdep is turned off. # [ 39.869310] irq event stamp: 0 # [ 39.873006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.880294] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 39.889719] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 39.899144] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.906434] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 39.915374] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.922470] Call Trace: # [ 39.925487] dump_stack+0x77/0x9b # [ 39.929476] ___might_sleep.cold+0xa6/0xb6 # [ 39.934361] exit_signals+0x1c/0x300 # [ 39.938643] do_exit+0xc2/0xab0 # [ 39.948648] ? ksys_write+0x68/0xf0 # [ 39.952821] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 39.958546] make_task_dead+0x2f/0x30 # [ 39.962923] rewind_stack_and_make_dead+0x17/0x20 # [ 39.968463] RIP: 0033:0x7f041f1c2473 # [ 39.972741] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff<6>[ 52.928760] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 <6>[ 52.940669] lkdtm: attempting bad refcount_sub_and_test() from saturated 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83<4>[ 52.954669] ------------[ cut here ]------------ ec 28 48 89 54 24 18 # [ 39.994011] RSP: 002b:00007ffdad18b9<4>[ 52.966330] refcount_t: underflow; use-after-free. 98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.002755]<4>[ 52.978194] WARNING: CPU: 0 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f041f1c24<4>[ 52.994081] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 73 # [ 40.011013] RDX: 000000000000000b RSI: 00007f041f0b6000<4>[ 53.053077] CPU: 0 PID: 2502 Comm: cat Tainted: G D W 5.10.185-cip35 #1 RDI: 0000000000000001 # [ 40.019272] RBP: 00007f041f0b6000 R<4>[ 53.068251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 08: 00007f041f0b5010 R09: 0000000000000000 # [ 40.027531] R10<4>[ 53.081569] RIP: 0010:refcount_warn_saturate+0xba/0x110 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.093896] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 40.035788] R13: 0000000000000001 R14: 0000000000020000 R15<4>[ 53.121444] RSP: 0018:ffffac1c02f7fe40 EFLAGS: 00010286 : 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 s<4>[ 53.133774] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 elftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC<4>[ 53.148289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 _OVERFLOW.sh # [ 40.162436] lkdtm: Performing direct entry RE<4>[ 53.162755] RBP: ffffffff859f8d00 R08: 0000000000000000 R09: 0000000000000000 FCOUNT_INC_OVERFLOW # [ 40.175365] lkdtm: attempting good ref<4>[ 53.177270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 53.191736] R13: ffffac1c02f7ff10 R14: ffffac1c02f7ff10 R15: ffff97bcc6f5a000 count_inc() without overflow # [ 40.188775] lkdtm: attempting<4>[ 53.200034] FS: 00007fbbe538c580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 bad refcount_inc() overflow # [ 40.201310] ------------[ cut<4>[ 53.215584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 here ]------------ # [ 40.206759] refcount_t: saturated; lea<4>[ 53.228494] CR2: 00007fbbe5196000 CR3: 0000000106fc6002 CR4: 00000000003706f0 king memory. # [ 40.218642] WARNING: CPU: 1 PID: 1966 at lib/<4>[ 53.243021] Call Trace: refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 40.234549<4>[ 53.252227] ? __warn+0x80/0x110 ] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_se<4>[ 53.262377] ? refcount_warn_saturate+0xba/0x110 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[ 53.274001] ? report_bug+0x9e/0xc0 uf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub c<4>[ 53.284423] ? find_bug+0x1b0/0x1b0 ros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar vide<4>[ 53.294803] ? handle_bug+0x41/0x90 obuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros<4>[ 53.305230] ? exc_invalid_op+0x14/0x70 _usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[ 53.316006] ? asm_exc_invalid_op+0x12/0x20 mal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2<4>[ 53.327211] ? refcount_warn_saturate+0xba/0x110 c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight c<4>[ 53.338843] __refcount_sub_and_test.constprop.0+0x3c/0x50 oreboot_table # [ 40.293505] CPU: 1 PID: 1966 Comm: cat Taint<4>[ 53.351507] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 ed: G D W 5.10.185-cip35 #1 # [ 40.308661] Hardw<4>[ 53.364312] direct_entry.cold+0x2c/0x38 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.32199<4>[ 53.375213] full_proxy_write+0x53/0x80 5] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 40.334317]<4>[ 53.385988] vfs_write+0xe7/0x3b0 Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 <4>[ 53.396215] ksys_write+0x68/0xf0 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c<4>[ 53.406404] do_syscall_64+0x30/0x40 0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 <4>[ 53.416915] entry_SYSCALL_64_after_hwframe+0x61/0xc6 38 3f 95 # [ 40.361805] RSP: 0018:ffffac1c02707e48 EFLAGS: 00<4>[ 53.429037] RIP: 0033:0x7fbbe52a2473 010286 # [ 40.374151] RAX: 0000000000000000 RBX: 000000000000<4>[ 53.439536] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 002b RCX: 0000000000000000 # [ 40.388626] RDX: ffff97bd3acac6<4>[ 53.467021] RSP: 002b:00007ffe2a9751f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.481969] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbbe52a2473 60 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 # [ 40.396892]<4>[ 53.490251] RDX: 0000000000000020 RSI: 00007fbbe5196000 RDI: 0000000000000001 RBP: ffffffff859f8fcd R08: 0000000000000000 R09: 00000000000000<4>[ 53.504781] RBP: 00007fbbe5196000 R08: 00007fbbe5195010 R09: 0000000000000000 00 # [ 40.411365] R10: 00000000ffffe000 R11: 3fffffffffffffff<4>[ 53.519213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R12: 0000000000000016 # [ 40.419630] R13: ffffac1c02707f10 R<4>[ 53.533723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 14: ffffac1c02707f10 R15: ffff97bcc3449000 # [ 40.434103] FS:<4>[ 53.548230] irq event stamp: 0 00007fdd5fcb0580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000<4>[ 53.558137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000 # [ 40.449651] CS: 0010 DS: 0000 ES: 0000 CR0: 000<4>[ 53.571633] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0000080050033 # [ 40.456361] CR2: 00007fdd5faba000 CR3: 00000<4>[ 53.587274] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 001031ac006 CR4: 00000000003706e0 # [ 40.470832] Call Trace: <4>[ 53.602961] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.473876] ? __warn+0x80/0x110 # [ 40.483959] ? refc<4>[ 53.616458] ---[ end trace c8f77ca8824754d4 ]--- ount_warn_saturate+0x51/0x110 # [ 40.495622] ? report_bug+0x<6>[ 53.628143] lkdtm: Saturation detected: still saturated 9e/0xc0 # [ 40.506023] ? handle_bug+0x41/0x90 # [ 40.516420] ? exc_invalid_op+0x14/0x70 # [ 40.527210] ? asm_exc_invalid_op+0x12/0x20 # [ 40.538405] ? refcount_warn_saturate+0x51/0x110 # [ 40.550066] ? refcount_warn_saturate+0x51/0x110 # [ 40.561730] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 40.573586] direct_entry.cold+0x2c/0x38 # [ 40.584480] full_proxy_write+0x53/0x80 # [ 40.595265] vfs_write+0xe7/0x3b0 # [ 40.605469] ksys_write+0x68/0xf0 # [ 40.615676] do_syscall_64+0x30/0x40 # [ 40.626171] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.638319] RIP: 0033:0x7fdd5fbc6473 # [ 40.648817] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.676306] RSP: 002b:00007ffe3a564978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.691271] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd5fbc6473 # [ 40.705749] RDX: 0000000000000016 RSI: 00007fdd5faba000 RDI: 0000000000000001 # [ 40.720230] RBP: 00007fdd5faba000 R08: 00007fdd5fab9010 R09: 0000000000000000 # [ 40.734709] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.749190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.763670] irq event stamp: 0 # [ 40.773582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.787090] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 40.802733] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 40.818401] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.831907] ---[ end trace c8f77ca8824754c4 ]--- # [ 40.843570] 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 # [ 40.943398] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 40.955379] lkdtm: attempting good refcount_add() without overflow # [ 40.968820] lkdtm: attempting bad refcount_add() overflow # [ 40.981355] ------------[ cut here ]------------ # [ 40.992979] refcount_t: saturated; leaking memory. # [ 41.004877] WARNING: CPU: 0 PID: 1998 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 41.020819] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.079797] CPU: 0 PID: 1998 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 41.094943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.108257] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 41.120607] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 # [ 41.148095] RSP: 0018:ffffac1c0277fe48 EFLAGS: 00010286 # [ 41.160434] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 41.174918] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 41.189431] RBP: ffffffff859f8fe3 R08: 0000000000000000 R09: 0000000000000000 # [ 41.203860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 41.218379] R13: ffffac1c0277ff10 R14: ffffac1c0277ff10 R15: ffff97bcc30a1000 # [ 41.232867] FS: 00007fde607d5580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 41.248448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.261453] CR2: 00007fde605df000 CR3: 00000001030a8006 CR4: 00000000003706f0 # [ 41.275883] Call Trace: # [ 41.285192] ? __warn+0x80/0x110 # [ 41.295257] ? refcount_warn_saturate+0x51/0x110 # [ 41.307020] ? report_bug+0x9e/0xc0 # [ 41.317351] ? handle_bug+0x41/0x90 # [ 41.327757] ? exc_invalid_op+0x14/0x70 # [ 41.338540] ? asm_exc_invalid_op+0x12/0x20 # [ 41.349737] ? refcount_warn_saturate+0x51/0x110 # [ 41.361396] ? refcount_warn_saturate+0x51/0x110 # [ 41.373054] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 41.384889] direct_entry.cold+0x2c/0x38 # [ 41.395770] full_proxy_write+0x53/0x80 # [ 41.406568] vfs_write+0xe7/0x3b0 # [ 41.416804] ksys_write+0x68/0xf0 # [ 41.427004] do_syscall_64+0x30/0x40 # [ 41.437497] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.449651] RIP: 0033:0x7fde606eb473 # [ 41.460107] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<6>[ 54.143992] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 54 24 18 # [ 41.487646] RSP: 002b:00007ffea77fd118 EFLAGS: 0<6>[ 54.152721] lkdtm: attempting good copy_to_user of correct size 0000246 ORIG_RAX: 0000000000000001 # [ 41.502628] RAX: ffffff<6>[ 54.165878] lkdtm: attempting bad copy_to_user of too large size ffffffffda RBX: 0000000000000016 RCX: 00007fde606eb473 # [ 41.517111] RDX: 0000000000000016 RSI: 00007fde605df000 RDI: 0000000000000001 # [ 41.531544] RBP: 00007fde605df000 R08: 00007fde605de010 R09: 0000000000000000 # [ 41.546063] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.560527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.575050] irq event stamp: 0 # [ 41.584923] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.598464] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 41.614111] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 41.629775] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.643290] ---[ end trace c8f77ca8824754c5 ]--- # [ 41.654969] 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 # [ 41.768047] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 41.780028] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 41.793442] ------------[ c<6>[ 54.295386] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM ut here ]------------ # [ 41.805106] refcount_t: saturated; l<6>[ 54.304320] lkdtm: attempting good copy_from_user of correct size eaking memory. # [ 41.816997] WARNING: CPU: 1 PID: 2030 at li<6>[ 54.317637] lkdtm: attempting bad copy_from_user of too large size b/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 41.832901] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 41.891874] CPU: 1 PID: 2030 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 41.907030] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.920325] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 41.932661] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 # [ 41.960154] RSP: 0018:ffffac1c02837e38 EFLAGS: 00010282 # [ 41.972497] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 41.986977] RDX: ffff97bd3aca<6>[ 54.446967] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 54.456638] lkdtm: attempting good copy_to_user inside whitelist c660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 # [ 42.00145<6>[ 54.463652] lkdtm: attempting bad copy_to_user outside whitelist 6] RBP: ffffffff859f8c20 R08: 0000000000000000 R09: 0000000000000000 # [ 42.015935] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.030413] R13: ffffac1c02837f10 R14: ffffac1c02837f10 R15: ffff97bcc3543000 # [ 42.044893] FS: 00007fb637d3a580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 # [ 42.060440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.073367] CR2: 00007fb637b44000 CR3: 00000001029cc003 CR4: 00000000003706e0 # [ 42.087843] Call Trace: # [ 42.090885] ? __warn+0x80/0x110 # [ 42.100969] ? refcount_warn_saturate+0x97/0x110 # [ 42.106419] ? report_bug+0x9e/0xc0 # [ 42.116815] ? handle_bug+0x41/0x90 # [ 42.127215] ? exc_invalid_op+0x14/0x70 # [ 42.131794] ? asm_exc_invalid_op+0x12/0x20 # [ 42.142966] ? refcount_warn_saturate+0x97/0x110 # [ 42.154651] ? refcount_warn_saturate+0x97/0x110 # [ 42.160100] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 42.172727] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 42.185458] direct_entry.cold+0x2c/0x38 # [ 42.196363] full_proxy_write+0x53/0x80 # [ 42.207153] vfs_write+0xe7/0x3b0 # [ 42.217363] ksys_write+0x68/0xf0 # [ 42.2275<6>[ 54.594842] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 70] do_syscall_64+0x30/0x40 # [ 42.238067] entry_SYSCALL_64<6>[ 54.602683] lkdtm: attempting good copy_from_user inside whitelist _after_hwframe+0x61/0xc6 # [ 42.244004] RIP: 0033:0x7fb637c50<6>[ 54.616111] lkdtm: attempting bad copy_from_user outside whitelist 473 # [ 42.254496] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.275773] RSP: 002b:00007ffeb8c06c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.290734] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb637c50473 # [ 42.298999] RDX: 000000000000001f RSI: 00007fb637b44000 RDI: 0000000000000001 # [ 42.313471] RBP: 00007fb637b44000 R08: 00007fb637b43010 R09: 0000000000000000 # [ 42.321738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.336210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.344481] irq event stamp: 0 # [ 42.354403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.367916] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 42.383559] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 42.399201] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.412708] ---[ end trace c8f77ca8824754c6 ]--- # [ 42.424372] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44<6>[ 54.750243] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftest<6>[ 54.760992] lkdtm: good_stack: ffffac1c03317e20-ffffac1c03317e40 s: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 42.540600] lk<6>[ 54.774212] lkdtm: bad_stack : ffffac1c03317da8-ffffac1c03317dc8 dtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [<6>[ 54.787465] lkdtm: attempting good copy_to_user of local stack 42.549468] lkdtm: attempting bad refcount_add_not_zero() over<6>[ 54.800524] lkdtm: attempting bad copy_to_user of distant stack flow # [ 42.556666] ------------[ cut here ]------------ # [ 42.562143] refcount_t: saturated; leaking memory. # [ 42.574029] WARNING: CPU: 3 PID: 2062 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 42.583753] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 42.642704] CPU: 3 PID: 2062 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 42.651673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.658799] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 42.664952] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 # [ 42.686228] RSP: 0018:ffffac1c028bfe38 EFLAGS: 00010282 # [ 42.692359]<6>[ 54.936737] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM RAX: 0000000000000000 RBX: 000000007fffffff RCX: 00000000000000<6>[ 54.945250] lkdtm: good_stack: ffffac1c033bfe20-ffffac1c033bfe40 00 # [ 42.706836] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70<6>[ 54.958465] lkdtm: bad_stack : ffffac1c033bfda8-ffffac1c033bfdc8 RDI: ffff97bd3ad9bf70 # [ 42.715097] RBP: ffffffff859f8c40 R<6>[ 54.971715] lkdtm: attempting good copy_from_user of local stack <6>[ 54.984898] lkdtm: attempting bad copy_from_user of distant stack 08: 0000000000000000 R09: 0000000000000000 # [ 42.723361] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.731624] R13: ffffac1c028bff10 R14: ffffac1c028bff10 R15: ffff97bcc36d3000 # [ 42.739887] FS: 00007f10c25c8580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 42.749217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.755926] CR2: 00007f10c23d2000 CR3: 0000000102f74005 CR4: 00000000003706e0 # [ 42.764186] Call Trace: # [ 42.767227] ? __warn+0x80/0x110 # [ 42.771130] ? refcount_warn_saturate+0x97/0x110 # [ 42.782788] ? report_bug+0x9e/0xc0 # [ 42.786975] ? handle_bug+0x41/0x90 # [ 42.791162] ? exc_invalid_op+0x14/0x70 # [ 42.795760] ? asm_exc_invalid_op+0x12/0x20 # [ 42.800724] ? refcount_warn_saturate+0x97/0x110 # [ 42.806193] ? refcount_warn_saturate+0x97/0x110 # [ 42.811640] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 42.818059] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 42.824575] direct_entry.cold+0x2c/0x38 # [ 42.829247] full_proxy_write+0x53/0x80 # [ 42.833820] vfs_write+0xe7/0x3b0 # [ 42.837811] ksys_write+0x68/0xf0 # [ 42.841803] do_syscall_64+0x30/0x40 # [ 42.846087] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.852020] RIP: 0033:0x7f10c24de473 # [ 42.856301] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <6>[ 55.133766] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24<6>[ 55.142015] lkdtm: good_stack: ffffac1c03467e20-ffffac1c03467e40 18 # [ 42.877575] RSP: 002b:00007ffd2011bdf8 EFLAGS: 0000024<6>[ 55.155236] lkdtm: bad_stack : ffffac1c03467ff8-ffffac1c03468018 6 ORIG_RAX: 0000000000000001 # [ 42.886325] RAX: ffffffffffff<6>[ 55.168474] lkdtm: attempting good copy_to_user of local stack ffda RBX: 000000000000001f RCX: 00007f10c24de473 # [ 42.89458<6>[ 55.181490] lkdtm: attempting bad copy_to_user of distant stack 7] RDX: 000000000000001f RSI: 00007f10c23d2000 RDI: 000000000000<4>[ 55.194592] lkdtm: copy_to_user failed, but lacked Oops 0001 # [ 42.902848] RBP: 00007f10c23d2000 R08: 00007f10c23d1010 R09: 0000000000000000 # [ 42.911113] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.919406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.927673] irq event stamp: 0 # [ 42.931398] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.944905] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 42.954349] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 42.963785] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.977289] ---[ end trace c8f77ca8824754c7 ]--- # [ 42.982735] 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 # [ 43.081753] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 43.094172] lkdtm: attempting good refcount_dec() # [ 43.105933] lkdtm: attempting bad refcount_dec() to zero # [ 43.118369] ------------[ cut here ]------------ # [ 43.130030] refcount_t: decrement hit 0; leaking memory. # [ 43.142499] WARNING: CPU: 1 PID: 2094 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.158429] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_co<6>[ 55.356217] lkdtm: Performing direct entry USERCOPY_KERNEL re videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compre<6>[ 55.368736] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8557ed70 ss videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf<6>[ 55.383918] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ce1430 2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify <3>[ 55.398756] lkdtm: FAIL: survived bad copy_to_user() chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.217399] CPU: 1 PID: 2094 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 43.226375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.239689] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.252031] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 43.273349] RSP: 0018:ffffac1c02947e48 EFLAGS: 00010286 # [ 43.285692] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 43.300170] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 # [ 43.314625] RBP: ffffffff859f8ff9 R08: 0000000000000000 R09: 0000000000000000 # [ 43.329103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 43.337368] R13: ffffac1c02947f10 R14: ffffac1c02947f10 R15: ffff97bcc36a2000 # [ 43.351841] FS: 00007f17258de580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 # [ 43.361198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.374116] CR2: 00007f17256e8000 CR3: 0000000103740006 CR4: 00000000003706e0 # [ 43.382417] Call Trace: # [ 43.391633] ? __warn+0x80/0x110 # [ 43.401741] ? refcount_warn_saturate+0xfb/0x110 # [ 43.413405] ? report_bug+0x9e/0xc0 # [ 43.417616<6>[ 55.547141] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 55.554160] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 55.562350] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 55.570434] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 55.577445] CPU: 3 PID: 2867 Comm: cat Tainted: G D W 5.10.185-cip35 #1 <4>[ 55.586408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.593503] Call Trace: <4>[ 55.596524] dump_stack+0x77/0x9b <4>[ 55.600513] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 55.605960] direct_entry.cold+0x2c/0x38 <4>[ 55.610631] full_proxy_write+0x53/0x80 <4>[ 55.615202] vfs_write+0xe7/0x3b0 <4>[ 55.619191] ksys_write+0x68/0xf0 <4>[ 55.623180] do_syscall_64+0x30/0x40 <4>[ 55.627461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 55.633403] RIP: 0033:0x7fedfe8bb473 <4>[ 55.637682] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 55.658954] RSP: 002b:00007ffefc169b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.667692] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fedfe8bb473 <4>[ 55.675951] RDX: 0000000000000012 RSI: 00007fedfe7af000 RDI: 0000000000000001 <4>[ 55.684211] RBP: 00007fedfe7af000 R08: 00007fedfe7ae010 R09: 0000000000000000 <4>[ 55.692471] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.700731] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] ? handle_bug+0x41/0x90 # [ 43.428007] ? exc_invalid_op+0x14/0x70 # [ 43.432606] ? asm_exc_invalid_op+0x12/0x20 # [ 43.443781] ? refcount_warn_saturate+0xfb/0x110 # [ 43.455440] ? refcount_warn_saturate+0xfb/0x110 # [ 43.460890] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 43.472363] direct_entry.cold+0x2c/0x38 # [ 43.483252] full_proxy_write+0x53/0x80 # [ 43.494067] vfs_write+0xe7/0x3b0 # [ 43.504273] ksys_write+0x68/0xf0 # [ 43.514477] do_syscall_64+0x30/0x40 # [ 43.524972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.537121] RIP: 0033:0x7f17257f4473 # [ 43.547616] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.575106] RSP: 002b:00007ffe014bf388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.590070] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f17257f4473 # [ 43.604548] RDX: 0000000000000012 RSI: 00007f17256e8000 RDI: 0000000000000001 # [ 43.619027] RBP: 00007f17256e8000 R08: 00007f17256e7010 R09: 0000000000000000 # [ 43.633504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.647981] R13: 0000000000<6>[ 55.828413] lkdtm: Performing direct entry CFI_FORWARD_PROTO 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.662<6>[ 55.839955] lkdtm: Calling matched prototype ... 464] irq event stamp: 0 # [ 43.672374] hardirqs last enabled<6>[ 55.851645] lkdtm: Calling mismatched prototype ... at (0): [<0000000000000000>] 0x0 # [ 43.685881] hardirqs las<6>[ 55.863602] lkdtm: Fail: survived mismatched prototype function call! t disabled at (0): [] copy_process+0x664/0x1c60 # [ 43.701524] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 43.717167] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.730674] ---[ end trace c8f77ca8824754c8 ]--- # [ 43.742335] 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 # [ 43.848956] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 43.859952] lkdtm: attempting bad refcount_dec() below zero # [ 43.866473] ------------[ cut here ]------------ # [ 43.871956] refcount_t: decrement hit 0; leaking memory. # [ 43.878217] WARNING: CPU: 2 PID: 2129 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.887939] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.946890] CPU: 2 PID: 2129 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 43.955833] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.962934] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.969086] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 43.990363] RSP: 0018:ffffac1c0299fe48 EFLAGS: 00010286 # [ 43.996493] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 44.004754] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ 44.013019] RBP: ffffffff859f900b R08: 0000000000000000 R09: 0000000000000000 # [ 44.021282] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.029546] R13: ffffac1c0299ff10 R14: ffffac1c0299ff10 R15: ffff97bcc2763000 # [ 44.037810] FS: 00007f4a198b2580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 44.047141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.053850] CR2: 00007f4a196bc000 CR3: 0000000105dea004 CR4: 00000000003706e0 # [ 44.062114] Call Trace: # [ 44.065138] ? __warn+0x80/0x110 # [ 44.069068] ? refcount_warn_saturate+0xfb/0x110 # [ 44.080730] ? report_bug+0x9e/0xc0 # [ 44.084916] ? handle_bug+0x41/0x90 # [ 44.089124] ? exc_invalid_op+0x14/0x70 # [ 44.093697] ? asm_exc_invalid_op+0x12/0x20 # [ 44.098661] ? refcount_warn_saturate+0xfb/0x110 # [ 44.104139] ? refcount_warn_saturate+0xfb/0x110 # [ 44.109587] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 44.115230] direct_entry.cold+0x2c/0x38 # [ 44.119905] full_proxy_write+0x53/0x80 # [ 44.124512] vfs_write+0xe7/0x3b0 # [ 44.128506] ksys_write+0x68/0xf0 # [ 44.138712] do_syscall_64+0x30/0x40 # [ 44.143019] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.148953] RIP: 0033:0x7f4a197c8473 # [ 44.153260] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.174543] RSP: 002b:00007ffd242bb088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.183329] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4a197c8473 # [ 44.191611] RDX: 0000000000000016 RSI: 00007f4a196bc000 RDI: 0000000000000001 # [ 44.199874] RBP: 00007f4a196bc000 R08: 00007f4a196bb010 R09: 0000000000000000 # [ 44.208139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.216406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.224673] irq event stamp: 0 # [ 44.228404] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.235696] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 44.245125] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.254554] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.261845] ---[ end trace c8f77ca8824754c9 ]--- # [ 44.267291] 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 # [ 44.619412] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 44.629612] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 44.643219] ------------[ cut here ]------------ # [ 44.654878] refcount_t: underflow; use-after-free. # [ 44.666767] WARNING: CPU: 1 PID: 2164 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 44.682695] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 44.741621] CPU: 1 PID: 2164 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 44.756774] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.770089] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 44.782430] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 44.809920] RSP: 0018:ffffac1c02a17e40 EFLAGS: 00010286 # [ 44.822263] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 44.836741] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 # [ 44.851222] RBP: ffffffff859f8c60 R08: 0000000000000000 R09: 0000000000000000 # [ 44.865699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.880178] R13: ffffac1c02a17f10 R14: ffffac1c02a17f10 R15: ffff97bcc3649000 # [ 44.894658] FS: 00007fa971178580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 # [ 44.910207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.923130] CR2: 00007fa970f82000 CR3: 0000000103798004 CR4: 00000000003706e0 # [ 44.937606] Call Trace: # [ 44.946845] ? __warn+0x80/0x110 # [ 44.956950] ? refcount_warn_saturate+0xba/0x110 # [ 44.968612] ? report_bug+0x9e/0xc0 # [ 44.979012] ? handle_bug+0x41/0x90 # [ 44.989415] ? exc_invalid_op+0x14/0x70 # [ 45.000205] ? asm_exc_invalid_op+0x12/0x20 # [ 45.011384] ? refcount_warn_saturate+0xba/0x110 # [ 45.023042] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 45.035673] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 45.048417] direct_entry.cold+0x2c/0x38 # [ 45.059303] full_proxy_write+0x53/0x80 # [ 45.070091] vfs_write+0xe7/0x3b0 # [ 45.080296] ksys_write+0x68/0xf0 # [ 45.090500] do_syscall_64+0x30/0x40 # [ 45.100995] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.113140] RIP: 0033:0x7fa97108e473 # [ 45.123637] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.151126] RSP: 002b:00007ffeaa3de988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.166088] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa97108e473 # [ 45.180568] RDX: 000000000000001f RSI: 00007fa970f82000 RDI: 0000000000000001 # [ 45.195045] RBP: 00007fa970f82000 R08: 00007fa970f81010 R09: 0000000000000000 # [ 45.203308] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.217781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.226067] irq event stamp: 0 # [ 45.235954] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.243249] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 45.258883] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.268314] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.281814] ---[ end trace c8f77ca8824754ca ]--- # [ 45.287262] 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 # [ 45.398523] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 45.412374] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 45.426006] ------------[ cut here ]------------ # [ 45.437662] refcount_t: underflow; use-after-free. # [ 45.449532] WARNING: CPU: 0 PID: 2199 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 45.465448] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.524439] CPU: 0 PID: 2199 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 45.539576] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.552926] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 45.565235] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 45.592761] RSP: 0018:ffffac1c02a8fe40 EFLAGS: 00010286 # [ 45.605071] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 45.619562] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 45.634020] RBP: ffffffff859f8c80 R08: 0000000000000000 R09: 0000000000000000 # [ 45.648501] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.662997] R13: ffffac1c02a8ff10 R14: ffffac1c02a8ff10 R15: ffff97bcc2f61000 # [ 45.677507] FS: 00007f571845a580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 45.693047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.705936] CR2: 00007f5718264000 CR3: 0000000106f5e003 CR4: 00000000003706f0 # [ 45.720452] Call Trace: # [ 45.729713] ? __warn+0x80/0x110 # [ 45.739818] ? refcount_warn_saturate+0xba/0x110 # [ 45.751488] ? report_bug+0x9e/0xc0 # [ 45.761898] ? find_bug+0x1b0/0x1b0 # [ 45.772304] ? handle_bug+0x41/0x90 # [ 45.782705] ? exc_invalid_op+0x14/0x70 # [ 45.793515] ? asm_exc_invalid_op+0x12/0x20 # [ 45.804695] ? refcount_warn_saturate+0xba/0x110 # [ 45.816367] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 45.829021] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 45.841751] direct_entry.cold+0x2c/0x38 # [ 45.852645] full_proxy_write+0x53/0x80 # [ 45.863441] vfs_write+0xe7/0x3b0 # [ 45.873645] ksys_write+0x68/0xf0 # [ 45.883858] do_syscall_64+0x30/0x40 # [ 45.894353] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.906465] RIP: 0033:0x7f5718370473 # [ 45.917004] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.944521] RSP: 002b:00007ffe4f703f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.959472] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5718370473 # [ 45.973975] RDX: 000000000000001f RSI: 00007f5718264000 RDI: 0000000000000001 # [ 45.988464] RBP: 00007f5718264000 R08: 00007f5718263010 R09: 0000000000000000 # [ 46.002938] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.017426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.031911] irq event stamp: 0 # [ 46.041832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.055337] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.070991] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.086620] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.100135] ---[ end trace c8f77ca8824754cb ]--- # [ 46.111795] 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 # [ 46.226156] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 46.235604] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 46.242998] lkdtm: Good: zero detected # [ 46.247510] lkdtm: Correctly stayed at zero # [ 46.252502] lkdtm: attempting bad refcount_inc() from zero # [ 46.258921] ------------[ cut here ]------------ # [ 46.264372] refcount_t: addition on 0; use-after-free. # [ 46.270445] WARNING: CPU: 3 PID: 2231 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 46.280169] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.339116] CPU: 3 PID: 2231 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 46.348090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.355191] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 46.361366] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 # [ 46.382648] RSP: 0018:ffffac1c02b0fe48 EFLAGS: 00010286 # [ 46.394982] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 46.403248] RDX: ffff97bd3adac660 RSI: ffff97bd3ad9bf70 RDI: ffff97bd3ad9bf70 # [ 46.411533] RBP: ffffffff859f9021 R08: 0000000000000000 R09: 0000000000000000 # [ 46.419796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.428058] R13: ffffac1c02b0ff10 R14: ffffac1c02b0ff10 R15: ffff97bcc349c000 # [ 46.436321] FS: 00007f8a756d9580(0000) GS:ffff97bd3ad80000(0000) knlGS:0000000000000000 # [ 46.445659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.452407] CR2: 00007f8a754e3000 CR3: 0000000100fd4003 CR4: 00000000003706e0 # [ 46.460669] Call Trace: # [ 46.463693] ? __warn+0x80/0x110 # [ 46.467618] ? refcount_warn_saturate+0x74/0x110 # [ 46.473067] ? report_bug+0x9e/0xc0 # [ 46.477252] ? handle_bug+0x41/0x90 # [ 46.481452] ? exc_invalid_op+0x14/0x70 # [ 46.486028] ? asm_exc_invalid_op+0x12/0x20 # [ 46.490992] ? refcount_warn_saturate+0x74/0x110 # [ 46.496469] ? refcount_warn_saturate+0x74/0x110 # [ 46.501915] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 46.507169] direct_entry.cold+0x2c/0x38 # [ 46.511842] full_proxy_write+0x53/0x80 # [ 46.516441] vfs_write+0xe7/0x3b0 # [ 46.520433] ksys_write+0x68/0xf0 # [ 46.524425] do_syscall_64+0x30/0x40 # [ 46.528709] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.534642] RIP: 0033:0x7f8a755ef473 # [ 46.538924] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.560201] RSP: 002b:00007ffccedcfc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.568950] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8a755ef473 # [ 46.577212] RDX: 0000000000000012 RSI: 00007f8a754e3000 RDI: 0000000000000001 # [ 46.585476] RBP: 00007f8a754e3000 R08: 00007f8a754e2010 R09: 0000000000000000 # [ 46.593738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.602001] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.610266] irq event stamp: 0 # [ 46.613997] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.621288] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.630716] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.640143] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.647434] ---[ end trace c8f77ca8824754cc ]--- # [ 46.652881] 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 # [ 46.757866] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 46.770182] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 46.783786] lkdtm: Good: zero detected # [ 46.794469] lkdtm: Correctly stayed at zero # [ 46.805635] lkdtm: attempting bad refcount_add() from zero # [ 46.818318] ------------[ cut here ]------------ # [ 46.829950] refcount_t: addition on 0; use-after-free. # [ 46.842251] WARNING: CPU: 0 PID: 2263 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 46.858134] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.917143] CPU: 0 PID: 2263 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 46.932251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.945587] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 46.957914] Code: 01 01 e8 c6 cb c0 00 0f 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 85 c6 05 ca ef f6 01 01 e8 a3 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 # [ 46.985470] RSP: 0018:ffffac1c02bc7e48 EFLAGS: 00010286 # [ 46.997750] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 47.012237] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 47.026713] RBP: ffffffff859f9033 R08: 0000000000000000 R09: 0000000000000000 # [ 47.041198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 47.055672] R13: ffffac1c02bc7f10 R14: ffffac1c02bc7f10 R15: ffff97bcc3661000 # [ 47.070162] FS: 00007ff424a3f580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 47.085707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.098629] CR2: 00007ff424849000 CR3: 000000010299c002 CR4: 00000000003706f0 # [ 47.113108] Call Trace: # [ 47.122361] ? __warn+0x80/0x110 # [ 47.132458] ? refcount_warn_saturate+0x74/0x110 # [ 47.144143] ? report_bug+0x9e/0xc0 # [ 47.154535] ? handle_bug+0x41/0x90 # [ 47.164940] ? exc_invalid_op+0x14/0x70 # [ 47.175729] ? asm_exc_invalid_op+0x12/0x20 # [ 47.186921] ? refcount_warn_saturate+0x74/0x110 # [ 47.198573] ? refcount_warn_saturate+0x74/0x110 # [ 47.210255] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 47.221702] direct_entry.cold+0x2c/0x38 # [ 47.232623] full_proxy_write+0x53/0x80 # [ 47.243390] vfs_write+0xe7/0x3b0 # [ 47.253611] ksys_write+0x68/0xf0 # [ 47.263810] do_syscall_64+0x30/0x40 # [ 47.274317] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.286455] RIP: 0033:0x7ff424955473 # [ 47.296968] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.324449] RSP: 002b:00007ffd361a7bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.339418] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff424955473 # [ 47.353889] RDX: 0000000000000012 RSI: 00007ff424849000 RDI: 0000000000000001 # [ 47.368378] RBP: 00007ff424849000 R08: 00007ff424848010 R09: 0000000000000000 # [ 47.382849] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.397352] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.411805] irq event stamp: 0 # [ 47.421704] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.435229] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.450856] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.466519] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.480021] ---[ end trace c8f77ca8824754cd ]--- # [ 47.491686] 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 # [ 47.782413] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 47.794259] lkdtm: attempting bad refcount_inc() from saturated # [ 47.807428] ------------[ cut here ]------------ # [ 47.819088] refcount_t: saturated; leaking memory. # [ 47.830978] WARNING: CPU: 1 PID: 2298 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.846883] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 47.905868] CPU: 1 PID: 2298 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 47.920997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.934307] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.946649] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 # [ 47.967922] RSP: 0018:ffffac1c02c5fe48 EFLAGS: 00010286 # [ 47.980258] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 47.988521] RDX: ffff97bd3acac660 RSI: ffff97bd3ac9bf70 RDI: ffff97bd3ac9bf70 # [ 48.002994] RBP: ffffffff859f9045 R08: 0000000000000000 R09: 0000000000000000 # [ 48.011257] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 48.025728] R13: ffffac1c02c5ff10 R14: ffffac1c02c5ff10 R15: ffff97bcc365d000 # [ 48.033993] FS: 00007f35dda2c580(0000) GS:ffff97bd3ac80000(0000) knlGS:0000000000000000 # [ 48.049533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.056241] CR2: 00007f35dd836000 CR3: 0000000103606003 CR4: 00000000003706e0 # [ 48.070714] Call Trace: # [ 48.073740] ? __warn+0x80/0x110 # [ 48.083841] ? refcount_warn_saturate+0x51/0x110 # [ 48.095503] ? report_bug+0x9e/0xc0 # [ 48.105903] ? handle_bug+0x41/0x90 # [ 48.116300] ? exc_invalid_op+0x14/0x70 # [ 48.127088] ? asm_exc_invalid_op+0x12/0x20 # [ 48.138269] ? refcount_warn_saturate+0x51/0x110 # [ 48.149928] ? refcount_warn_saturate+0x51/0x110 # [ 48.161590] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 48.173543] direct_entry.cold+0x2c/0x38 # [ 48.184427] full_proxy_write+0x53/0x80 # [ 48.195214] vfs_write+0xe7/0x3b0 # [ 48.205433] ksys_write+0x68/0xf0 # [ 48.215640] do_syscall_64+0x30/0x40 # [ 48.226134] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.238281] RIP: 0033:0x7f35dd942473 # [ 48.248776] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.276265] RSP: 002b:00007fffabc97118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.291229] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35dd942473 # [ 48.305705] RDX: 0000000000000017 RSI: 00007f35dd836000 RDI: 0000000000000001 # [ 48.320182] RBP: 00007f35dd836000 R08: 00007f35dd835010 R09: 0000000000000000 # [ 48.334660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.349139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.363621] irq event stamp: 0 # [ 48.373532] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.387040] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.402682] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.418325] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.431830] ---[ end trace c8f77ca8824754ce ]--- # [ 48.443492] 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 # [ 48.560417] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 48.568587] lkdtm: attempting bad refcount_dec() from saturated # [ 48.575522] ------------[ cut here ]------------ # [ 48.580970] refcount_t: decrement hit 0; leaking memory. # [ 48.587224] WARNING: CPU: 2 PID: 2333 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.596948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.655899] CPU: 2 PID: 2333 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 48.664865] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.671997] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.678126] Code: c0 3f 95 85 c6 05 5a ef f6 01 01 e8 36 cb c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 90 3f 95 85 c6 05 41 ef f6 01 01 e8 1c cb c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.699436] RSP: 0018:ffffac1c02ccfe48 EFLAGS: 00010286 # [ 48.705580] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 48.720045] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ 48.728308] RBP: ffffffff859f905c R08: 0000000000000000 R09: 0000000000000000 # [ 48.736571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 48.744835] R13: ffffac1c02ccff10 R14: ffffac1c02ccff10 R15: ffff97bcc6fc3000 # [ 48.753098] FS: 00007faf645d8580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 48.762431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.769139] CR2: 00007faf643e2000 CR3: 000000010341c001 CR4: 00000000003706e0 # [ 48.777415] Call Trace: # [ 48.780438] ? __warn+0x80/0x110 # [ 48.784368] ? refcount_warn_saturate+0xfb/0x110 # [ 48.796027] ? report_bug+0x9e/0xc0 # [ 48.800216] ? handle_bug+0x41/0x90 # [ 48.804431] ? exc_invalid_op+0x14/0x70 # [ 48.809008] ? asm_exc_invalid_op+0x12/0x20 # [ 48.814003] ? refcount_warn_saturate+0xfb/0x110 # [ 48.819485] ? refcount_warn_saturate+0xfb/0x110 # [ 48.824963] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 48.830705] direct_entry.cold+0x2c/0x38 # [ 48.835423] full_proxy_write+0x53/0x80 # [ 48.839999] vfs_write+0xe7/0x3b0 # [ 48.844020] ksys_write+0x68/0xf0 # [ 48.848015] do_syscall_64+0x30/0x40 # [ 48.852329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.858264] RIP: 0033:0x7faf644ee473 # [ 48.862546] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.883821] RSP: 002b:00007fff7221cc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.892570] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faf644ee473 # [ 48.900834] RDX: 0000000000000017 RSI: 00007faf643e2000 RDI: 0000000000000001 # [ 48.909098] RBP: 00007faf643e2000 R08: 00007faf643e1010 R09: 0000000000000000 # [ 48.917364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.925628] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.933915] irq event stamp: 0 # [ 48.937622] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.951123] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.960551] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.969977] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.977268] ---[ end trace c8f77ca8824754cf ]--- # [ 48.982714] 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 # [ 49.322805] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 49.331743] lkdtm: attempting bad refcount_dec() from saturated # [ 49.338652] ------------[ cut here ]------------ # [ 49.344108] refcount_t: saturated; leaking memory. # [ 49.349794] WARNING: CPU: 2 PID: 2368 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.365706] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.424701] CPU: 2 PID: 2368 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 49.433675] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.440776] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.446909] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d fe ef f6 01 00 75 ee 48 c7 c7 10 3f 95 85 c6 05 ee ef f6 01 01 e8 c6 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d da ef f6 01 00 75 cb 48 c7 c7 38 3f 95 # [ 49.468216] RSP: 0018:ffffac1c02d4fe48 EFLAGS: 00010286 # [ 49.474379] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 49.482669] RDX: ffff97bd3ad2c660 RSI: ffff97bd3ad1bf70 RDI: ffff97bd3ad1bf70 # [ 49.490933] RBP: ffffffff859f9073 R08: 0000000000000000 R09: 0000000000000000 # [ 49.499228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 49.507492] R13: ffffac1c02d4ff10 R14: ffffac1c02d4ff10 R15: ffff97bcc30f5000 # [ 49.515756] FS: 00007f1894a26580(0000) GS:ffff97bd3ad00000(0000) knlGS:0000000000000000 # [ 49.525088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.531799] CR2: 00007f1894830000 CR3: 0000000105f06005 CR4: 00000000003706e0 # [ 49.540061] Call Trace: # [ 49.543086] ? __warn+0x80/0x110 # [ 49.547011] ? refcount_warn_saturate+0x51/0x110 # [ 49.558667] ? report_bug+0x9e/0xc0 # [ 49.562887] ? handle_bug+0x41/0x90 # [ 49.567103] ? exc_invalid_op+0x14/0x70 # [ 49.571679] ? asm_exc_invalid_op+0x12/0x20 # [ 49.576696] ? refcount_warn_saturate+0x51/0x110 # [ 49.582159] ? refcount_warn_saturate+0x51/0x110 # [ 49.593809] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 49.599552] direct_entry.cold+0x2c/0x38 # [ 49.604255] full_proxy_write+0x53/0x80 # [ 49.608866] vfs_write+0xe7/0x3b0 # [ 49.619068] ksys_write+0x68/0xf0 # [ 49.623062] do_syscall_64+0x30/0x40 # [ 49.627390] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.633363] RIP: 0033:0x7f189493c473 # [ 49.643860] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.665136] RSP: 002b:00007ffcfc69bf18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.673885] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f189493c473 # [ 49.682148] RDX: 0000000000000017 RSI: 00007f1894830000 RDI: 0000000000000001 # [ 49.690413] RBP: 00007f1894830000 R08: 00007f189482f010 R09: 0000000000000000 # [ 49.698675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.706940] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.715207] irq event stamp: 0 # [ 49.718932] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.732435] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.741865] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.751293] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.758585] ---[ end trace c8f77ca8824754d0 ]--- # [ 49.764033] 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 # [ 49.875495] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 49.883854] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 49.897857] ------------[ cut here ]------------ # [ 49.909515] refcount_t: saturated; leaking memory. # [ 49.921389] WARNING: CPU: 0 PID: 2400 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.937414] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.996277] CPU: 0 PID: 2400 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 50.011509] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.024790] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 50.037158] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 # [ 50.064628] RSP: 0018:ffffac1c02dcfe38 EFLAGS: 00010282 # [ 50.077006] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 50.091507] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 50.105987] RBP: ffffffff859f8ca0 R08: 0000000000000000 R09: 0000000000000000 # [ 50.120467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 50.134951] R13: ffffac1c02dcff10 R14: ffffac1c02dcff10 R15: ffff97bcc324a000 # [ 50.149471] FS: 00007f1c9b376580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 50.165013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.177923] CR2: 00007f1c9b180000 CR3: 00000001030d6002 CR4: 00000000003706f0 # [ 50.192450] Call Trace: # [ 50.201712] ? __warn+0x80/0x110 # [ 50.211802] ? refcount_warn_saturate+0x97/0x110 # [ 50.223512] ? report_bug+0x9e/0xc0 # [ 50.233933] ? handle_bug+0x41/0x90 # [ 50.244316] ? exc_invalid_op+0x14/0x70 # [ 50.255153] ? asm_exc_invalid_op+0x12/0x20 # [ 50.266307] ? refcount_warn_saturate+0x97/0x110 # [ 50.277975] ? refcount_warn_saturate+0x97/0x110 # [ 50.289628] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 50.302256] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 50.315117] direct_entry.cold+0x2c/0x38 # [ 50.326023] full_proxy_write+0x53/0x80 # [ 50.336831] vfs_write+0xe7/0x3b0 # [ 50.347048] ksys_write+0x68/0xf0 # [ 50.357250] do_syscall_64+0x30/0x40 # [ 50.367765] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.379924] RIP: 0033:0x7f1c9b28c473 # [ 50.390446] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.417965] RSP: 002b:00007ffff6b899a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.432936] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1c9b28c473 # [ 50.447445] RDX: 0000000000000020 RSI: 00007f1c9b180000 RDI: 0000000000000001 # [ 50.461904] RBP: 00007f1c9b180000 R08: 00007f1c9b17f010 R09: 0000000000000000 # [ 50.476397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.490863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.505369] irq event stamp: 0 # [ 50.515258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.528773] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.544416] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.560076] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.573565] ---[ end trace c8f77ca8824754d1 ]--- # [ 50.585240] 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 # [ 50.927052] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 50.935166] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 50.949169] ------------[ cut here ]------------ # [ 50.960834] refcount_t: saturated; leaking memory. # [ 50.972702] WARNING: CPU: 0 PID: 2432 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.988675] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.047601] CPU: 0 PID: 2432 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 51.062799] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.076111] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 51.088471] Code: 01 01 e8 a3 cb c0 00 0f 0b c3 cc cc cc cc 80 3d b9 ef f6 01 00 75 a8 48 c7 c7 10 3f 95 85 c6 05 a9 ef f6 01 01 e8 80 cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 # [ 51.115964] RSP: 0018:ffffac1c02e6fe38 EFLAGS: 00010282 # [ 51.128321] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 51.142764] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 51.157247] RBP: ffffffff859f8cc0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.171742] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.186184] R13: ffffac1c02e6ff10 R14: ffffac1c02e6ff10 R15: ffff97bcc375a000 # [ 51.200703] FS: 00007f4eec662580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 51.216234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.229202] CR2: 00007f4eec46c000 CR3: 0000000103752006 CR4: 00000000003706f0 # [ 51.243699] Call Trace: # [ 51.252940] ? __warn+0x80/0x110 # [ 51.263071] ? refcount_warn_saturate+0x97/0x110 # [ 51.274753] ? report_bug+0x9e/0xc0 # [ 51.285161] ? handle_bug+0x41/0x90 # [ 51.295545] ? exc_invalid_op+0x14/0x70 # [ 51.306370] ? asm_exc_invalid_op+0x12/0x20 # [ 51.317572] ? refcount_warn_saturate+0x97/0x110 # [ 51.329252] ? refcount_warn_saturate+0x97/0x110 # [ 51.340882] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 51.353580] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 51.366414] direct_entry.cold+0x2c/0x38 # [ 51.377338] full_proxy_write+0x53/0x80 # [ 51.388103] vfs_write+0xe7/0x3b0 # [ 51.398333] ksys_write+0x68/0xf0 # [ 51.408511] do_syscall_64+0x30/0x40 # [ 51.419039] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.431194] RIP: 0033:0x7f4eec578473 # [ 51.441710] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.469194] RSP: 002b:00007fffbc0172b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.484167] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4eec578473 # [ 51.498639] RDX: 0000000000000020 RSI: 00007f4eec46c000 RDI: 0000000000000001 # [ 51.513129] RBP: 00007f4eec46c000 R08: 00007f4eec46b010 R09: 0000000000000000 # [ 51.527600] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.542098] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.556570] irq event stamp: 0 # [ 51.566492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.580001] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.595648] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.611288] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.624808] ---[ end trace c8f77ca8824754d2 ]--- # [ 51.636458] 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 # [ 51.760353] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 51.768634] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 51.782659] ------------[ cut here ]------------ # [ 51.794316] refcount_t: underflow; use-after-free. # [ 51.806182] WARNING: CPU: 0 PID: 2467 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.822115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.881092] CPU: 0 PID: 2467 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 51.896211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.909567] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.921893] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 51.949436] RSP: 0018:ffffac1c02ef7e40 EFLAGS: 00010286 # [ 51.961822] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 51.976289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 51.990858] RBP: ffffffff859f8ce0 R08: 0000000000000000 R09: 0000000000000000 # [ 52.005265] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.019847] R13: ffffac1c02ef7f10 R14: ffffac1c02ef7f10 R15: ffff97bcc5cf6000 # [ 52.034249] FS: 00007effda619580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 52.049896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.062731] CR2: 00007effda423000 CR3: 000000010300c004 CR4: 00000000003706f0 # [ 52.077228] Call Trace: # [ 52.086443] ? __warn+0x80/0x110 # [ 52.096566] ? refcount_warn_saturate+0xba/0x110 # [ 52.108214] ? report_bug+0x9e/0xc0 # [ 52.118630] ? refcount_warn_saturate+0xba/0x110 # [ 52.130279] ? handle_bug+0x41/0x90 # [ 52.140699] ? exc_invalid_op+0x14/0x70 # [ 52.151473] ? asm_exc_invalid_op+0x12/0x20 # [ 52.162663] ? refcount_warn_saturate+0xba/0x110 # [ 52.174336] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.186989] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 52.199808] direct_entry.cold+0x2c/0x38 # [ 52.210693] full_proxy_write+0x53/0x80 # [ 52.221487] vfs_write+0xe7/0x3b0 # [ 52.231675] ksys_write+0x68/0xf0 # [ 52.241882] do_syscall_64+0x30/0x40 # [ 52.252445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.264529] RIP: 0033:0x7effda52f473 # [ 52.275028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.302560] RSP: 002b:00007ffe6c9bd5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.317542] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007effda52f473 # [ 52.332024] RDX: 0000000000000020 RSI: 00007effda423000 RDI: 0000000000000001 # [ 52.346501] RBP: 00007effda423000 R08: 00007effda422010 R09: 0000000000000000 # [ 52.360982] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.375459] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.389947] irq event stamp: 0 # [ 52.399842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.413375] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.429050] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.444671] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.458208] ---[ end trace c8f77ca8824754d3 ]--- # [ 52.469844] 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 # [ 52.928760] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 52.940669] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 52.954669] ------------[ cut here ]------------ # [ 52.966330] refcount_t: underflow; use-after-free. # [ 52.978194] WARNING: CPU: 0 PID: 2502 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.994081] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs uvcvideo cros_usbpd_charger cros_ec_lightbar videobuf2_vmalloc snd_soc_core videobuf2_memops cros_ec_chardev cros_usbpd_logger snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev videobuf2_common snd_pcm_dmaengine regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 53.053077] CPU: 0 PID: 2502 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 53.068251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.081569] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.093896] Code: 01 01 e8 80 cb c0 00 0f 0b c3 cc cc cc cc 80 3d 93 ef f6 01 00 75 85 48 c7 c7 68 3f 95 85 c6 05 83 ef f6 01 01 e8 5d cb c0 00 <0f> 0b c3 cc cc cc cc 80 3d 6e ef f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.121444] RSP: 0018:ffffac1c02f7fe40 EFLAGS: 00010286 # [ 53.133774] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 53.148289] RDX: ffff97bd3ac2c660 RSI: ffff97bd3ac1bf70 RDI: ffff97bd3ac1bf70 # [ 53.162755] RBP: ffffffff859f8d00 R08: 0000000000000000 R09: 0000000000000000 # [ 53.177270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.191736] R13: ffffac1c02f7ff10 R14: ffffac1c02f7ff10 R15: ffff97bcc6f5a000 # [ 53.200034] FS: 00007fbbe538c580(0000) GS:ffff97bd3ac00000(0000) knlGS:0000000000000000 # [ 53.215584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.228494] CR2: 00007fbbe5196000 CR3: 0000000106fc6002 CR4: 00000000003706f0 # [ 53.243021] Call Trace: # [ 53.252227] ? __warn+0x80/0x110 # [ 53.262377] ? refcount_warn_saturate+0xba/0x110 # [ 53.274001] ? report_bug+0x9e/0xc0 # [ 53.284423] ? find_bug+0x1b0/0x1b0 # [ 53.294803] ? handle_bug+0x41/0x90 # [ 53.305230] ? exc_invalid_op+0x14/0x70 # [ 53.316006] ? asm_exc_invalid_op+0x12/0x20 # [ 53.327211] ? refcount_warn_saturate+0xba/0x110 # [ 53.338843] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.351507] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 53.364312] direct_entry.cold+0x2c/0x38 # [ 53.375213] full_proxy_write+0x53/0x80 # [ 53.385988] vfs_write+0xe7/0x3b0 # [ 53.396215] ksys_write+0x68/0xf0 # [ 53.406404] do_syscall_64+0x30/0x40 # [ 53.416915] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.429037] RIP: 0033:0x7fbbe52a2473 # [ 53.439536] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.467021] RSP: 002b:00007ffe2a9751f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.481969] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbbe52a2473 # [ 53.490251] RDX: 0000000000000020 RSI: 00007fbbe5196000 RDI: 0000000000000001 # [ 53.504781] RBP: 00007fbbe5196000 R08: 00007fbbe5195010 R09: 0000000000000000 # [ 53.519213] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.533723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.548230] irq event stamp: 0 # [ 53.558137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.571633] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.587274] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.602961] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.616458] ---[ end trace c8f77ca8824754d4 ]--- # [ 53.628143] 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 # [ 54.143992] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 54.152721] lkdtm: attempting good copy_to_user of correct size # [ 54.165878] 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 # [ 54.295386] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 54.304320] lkdtm: attempting good copy_from_user of correct size # [ 54.317637] 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 # [ 54.446967] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 54.456638] lkdtm: attempting good copy_to_user inside whitelist # [ 54.463652] 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 # [ 54.594842] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 54.602683] lkdtm: attempting good copy_from_user inside whitelist # [ 54.616111] 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 # [ 54.750243] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 54.760992] lkdtm: good_stack: ffffac1c03317e20-ffffac1c03317e40 # [ 54.774212] lkdtm: bad_stack : ffffac1c03317da8-ffffac1c03317dc8 # [ 54.787465] lkdtm: attempting good copy_to_user of local stack # [ 54.800524] 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 # [ 54.936737] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 54.945250] lkdtm: good_stack: ffffac1c033bfe20-ffffac1c033bfe40 # [ 54.958465] lkdtm: bad_stack : ffffac1c033bfda8-ffffac1c033bfdc8 # [ 54.971715] lkdtm: attempting good copy_from_user of local stack # [ 54.984898] 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 # [ 55.133766] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 55.142015] lkdtm: good_stack: ffffac1c03467e20-ffffac1c03467e40 # [ 55.155236] lkdtm: bad_stack : ffffac1c03467ff8-ffffac1c03468018 # [ 55.168474] lkdtm: attempting good copy_to_user of local stack # [ 55.181490] lkdtm: attempting bad copy_to_user of distant stack # [ 55.194592] 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 # [ 55.356217] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 55.368736] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8557ed70 # [ 55.383918] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ce1430 # [ 55.398756] 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 # [ 55.547141] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 55.554160] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 55.562350] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 55.570434] lkdtm: FAIL: the thread stack is NOT properly erased # [ 55.577445] CPU: 3 PID: 2867 Comm: cat Tainted: G D W 5.10.185-cip35 #1 # [ 55.586408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.593503] Call Trace: # [ 55.596524] dump_stack+0x77/0x9b # [ 55.600513] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 55.605960] direct_entry.cold+0x2c/0x38 # [ 55.610631] full_proxy_write+0x53/0x80 # [ 55.615202] vfs_write+0xe7/0x3b0 # [ 55.619191] ksys_write+0x68/0xf0 # [ 55.623180] do_syscall_64+0x30/0x40 # [ 55.627461] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.633403] RIP: 0033:0x7fedfe8bb473 # [ 55.637682] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.658954] RSP: 002b:00007ffefc169b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.667692] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fedfe8bb473 # [ 55.675951] RDX: 0000000000000012 RSI: 00007fedfe7af000 RDI: 0000000000000001 # [ 55.684211] RBP: 00007fedfe7af000 R08: 00007fedfe7ae010 R09: 0000000000000000 # [ 55.692471] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.700731] 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 # [ 55.828413] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 55.839955] lkdtm: Calling matched prototype ... # [ 55.851645] lkdtm: Calling mismatched prototype ... # [ 55.863602] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #