[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (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 31177 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) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 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 #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' SGX: pre-conditions not met CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 373476 run 171998 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8967 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 8974 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 8974 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8973 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8974 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90968 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107753 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 14161 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 22376 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 53521 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 13858 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11311 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10047 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466056 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486158 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 825945 exit 39307 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113982 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 288 run 139289 exit 20127 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 30845 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 6978 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2248 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 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 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 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23487 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 23777 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2388 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 24388 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-06-24 15:46:46 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-06-24 15:46:46 UTC ELOG: Event(92) added with size 9 at 2022-06-24 15:46:46 UTC ELOG: Event(9A) added with size 9 at 2022-06-24 15:46:46 UTC ELOG: Event(AD) added with size 10 at 2022-06-24 15:46:46 UTC ELOG: Event(9F) added with size 14 at 2022-06-24 15:46:46 UTC BS: BS_DEV_INIT times (us): entry 0 run 416949 exit 59974 ELOG: Event(A1) added with size 10 at 2022-06-24 15:46:46 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-06-24 15:46:46 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 25551 run 3967 exit 5206 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 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, 0x57c bytes, checksum bfbf coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533854 exit 145976 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 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 597 run 258699 exit 135102 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 6677557/tftp-deploy-j7c7qrm7/kernel/bzImage 6677557/tftp-deploy-j7c7qrm7/kernel/cmdline 6677557/tftp-deploy-j7c7qrm7/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6677557/tftp-deploy-j7c7qrm7/kernel/bzImy-j7c7qrm7/kernel/cmdline 6677557/tftp-deploy-j7c7qrm7/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 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6677557/tftp-deploy-j7c7qrm7/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ done. The bootfile was 13099552 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ############### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 6677557/tftp-deploy-j7c7qrm7/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6677557/extract-nfsrootfs-buz2rjsy,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: 18214310 Starting kernel ... [ 0.000000] Linux version 5.10.124-cip9 (KernelCI@build-j257788-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo2hdhf) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jun 24 15:37:56 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6677557/extract-nfsrootfs-buz2rjsy,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000040] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001066] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005623] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.017878] check: Scanning 1 areas for low memory corruption [ 0.017888] Using GB pages for direct mapping [ 0.018442] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.018447] ACPI: Early table checksum verification disabled [ 0.018453] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.018463] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018476] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.018488] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.018497] ACPI: FACS 0x000000007AA9A240 000040 [ 0.018505] ACPI: FACS 0x000000007AA9A240 000040 [ 0.018514] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.018523] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018532] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.018540] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.018549] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.018558] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018567] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.018576] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.018585] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.018589] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.018592] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.018596] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.018599] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.018603] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.018606] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.018610] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.018613] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.018617] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.018620] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.018624] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.018752] No NUMA configuration found [ 0.018756] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.018763] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.018795] Zone ranges: [ 0.018799] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.018805] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.018810] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.018816] Movable zone start for each node [ 0.018819] Early memory node ranges [ 0.018823] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.018827] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.018830] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.018835] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.018861] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.018897] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.028738] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.028792] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.028815] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.029153] ACPI: PM-Timer IO Port: 0x1808 [ 0.029203] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.029213] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.029217] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.029229] Using ACPI (MADT) for SMP configuration information [ 0.029233] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.029239] TSC deadline timer available [ 0.029243] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.029265] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.029270] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.029274] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.029277] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.029281] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.029284] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.029287] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.029290] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.029294] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.029297] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.029300] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.029303] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.029307] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.029310] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.029313] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.029320] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.029325] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.040220] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.040439] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.040495] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.040498] Policy zone: Normal [ 0.040509] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/6677557/extract-nfsrootfs-buz2rjsy,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.040926] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.041123] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.041191] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.059303] Memory: 3892576K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196216K reserved, 0K cma-reserved) [ 0.059417] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.059460] Kernel/User page tables isolation: enabled [ 0.059522] ftrace: allocating 52716 entries in 206 pages [ 0.088062] ftrace: allocated 206 pages with 5 groups [ 0.088282] Running RCU self tests [ 0.088294] rcu: Hierarchical RCU implementation. [ 0.088297] rcu: RCU event tracing is enabled. [ 0.088301] rcu: RCU lockdep checking is enabled. [ 0.088304] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.088308] Rude variant of Tasks RCU enabled. [ 0.088311] Tracing variant of Tasks RCU enabled. [ 0.088315] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.088319] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.095347] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.095741] random: crng init done [ 0.095825] Console: colour dummy device 80x25 [ 0.170909] printk: console [ttyS0] enabled [ 0.171276] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.171937] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.172291] ... MAX_LOCK_DEPTH: 48 [ 0.172652] ... MAX_LOCKDEP_KEYS: 8192 [ 0.173027] ... CLASSHASH_SIZE: 4096 [ 0.173402] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.173785] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.174167] ... CHAINHASH_SIZE: 32768 [ 0.174550] memory used by lock dependency info: 6365 kB [ 0.175018] memory used for stack traces: 4224 kB [ 0.175429] per task-struct memory footprint: 1920 bytes [ 0.175934] ACPI: Core revision 20200925 [ 0.176471] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.176970] APIC: Switch to symmetric I/O mode setup [ 0.181437] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.182349] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.183252] pid_max: default: 32768 minimum: 301 [ 0.183336] LSM: Security Framework initializing [ 0.183336] SELinux: Initializing. [ 0.183336] LSM support for eBPF active [ 0.183336] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.183336] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.183336] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.183336] process: using mwait in idle threads [ 0.183336] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.183336] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.183336] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.183336] Spectre V2 : Mitigation: Retpolines [ 0.183336] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.183336] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.183336] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.183336] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.183336] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.183336] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.183336] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.183336] SRBDS: Vulnerable: No microcode [ 0.183336] Freeing SMP alternatives memory: 44K [ 0.183336] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.183872] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.184349] ... version: 4 [ 0.184704] ... bit width: 48 [ 0.185064] ... generic registers: 4 [ 0.185341] ... value mask: 0000ffffffffffff [ 0.185804] ... max period: 00007fffffffffff [ 0.186265] ... fixed-purpose events: 3 [ 0.186341] ... event mask: 000000070000000f [ 0.187238] rcu: Hierarchical SRCU implementation. [ 0.189025] smp: Bringing up secondary CPUs ... [ 0.189958] x86: Booting SMP configuration: [ 0.190353] .... node #0, CPUs: #1 [ 0.191428] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.192360] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.193897] #2 #3 [ 0.195903] smp: Brought up 1 node, 4 CPUs [ 0.196343] smpboot: Max logical packages: 1 [ 0.196722] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.199610] devtmpfs: initialized [ 0.199912] x86/mm: Memory block size: 128MB [ 0.203425] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.204359] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.205308] pinctrl core: initialized pinctrl subsystem [ 0.205664] PM: RTC time: 15:47:00, date: 2022-06-24 [ 0.206548] NET: Registered protocol family 16 [ 0.207552] audit: initializing netlink subsys (disabled) [ 0.208052] audit: type=2000 audit(1656085620.025:1): state=initialized audit_enabled=0 res=1 [ 0.208722] thermal_sys: Registered thermal governor 'step_wise' [ 0.208869] thermal_sys: Registered thermal governor 'user_space' [ 0.209406] cpuidle: using governor menu [ 0.210483] ACPI: bus type PCI registered [ 0.211141] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.211349] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.211962] PCI: Using configuration type 1 for base access [ 0.232423] Kprobes globally optimized [ 0.232789] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.233358] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.234091] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.236479] ACPI: Added _OSI(Module Device) [ 0.236844] ACPI: Added _OSI(Processor Device) [ 0.237235] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.237346] ACPI: Added _OSI(Processor Aggregator Device) [ 0.237819] ACPI: Added _OSI(Linux-Dell-Video) [ 0.238210] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.239344] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.250520] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.257888] ACPI: EC: EC started [ 0.258195] ACPI: EC: interrupt blocked [ 0.258995] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.259345] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.259982] ACPI: Interpreter enabled [ 0.260365] ACPI: (supports S0 S3 S4 S5) [ 0.260715] ACPI: Using IOAPIC for interrupt routing [ 0.261216] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.276795] ACPI: Power Resource [PRIC] (on) [ 0.404433] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.404977] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.405585] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.406241] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.407871] PCI host bridge to bus 0000:00 [ 0.408240] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.408344] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.408931] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.409342] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.409986] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.411343] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.411987] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.412342] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.412987] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.413342] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.413986] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.415343] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.415987] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.416342] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.416986] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.417342] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.417986] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.418342] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.419000] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.420343] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.420987] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.421415] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.422802] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.423345] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.423943] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.424350] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.425404] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.425946] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.427022] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.428366] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.429541] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.430089] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.430472] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.431633] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.432181] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.432961] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.433386] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.434693] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.435248] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.437108] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.437385] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.437992] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.439040] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.440386] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.441723] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.442418] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.443625] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.444181] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.445080] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.445386] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.446692] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.447242] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.449157] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.449380] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.450663] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.451871] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.452372] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.453583] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.454137] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.455399] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.456079] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.457016] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.457408] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.458062] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.458994] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.459373] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.460871] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.461630] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.463191] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.465949] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.466358] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.468062] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.468585] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.469419] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.470276] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.471576] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.472436] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.473295] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.473574] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.479368] ACPI: EC: interrupt unblocked [ 0.479735] ACPI: EC: event unblocked [ 0.480071] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.481343] ACPI: EC: GPE=0x6e [ 0.481623] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.482231] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.483353] iommu: Default domain type: Translated [ 0.483905] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.483938] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.485371] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.485871] vgaarb: loaded [ 0.486602] SCSI subsystem initialized [ 0.486964] ACPI: bus type USB registered [ 0.487476] usbcore: registered new interface driver usbfs [ 0.488005] usbcore: registered new interface driver hub [ 0.488375] usbcore: registered new device driver usb [ 0.488927] pps_core: LinuxPPS API ver. 1 registered [ 0.489341] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.490129] PTP clock support registered [ 0.490545] Advanced Linux Sound Architecture Driver Initialized. [ 0.492143] NetLabel: Initializing [ 0.492342] NetLabel: domain hash size = 128 [ 0.492726] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.493276] NetLabel: unlabeled traffic allowed by default [ 0.494442] PCI: Using ACPI for IRQ routing [ 0.502523] clocksource: Switched to clocksource tsc-early [ 0.811554] VFS: Disk quotas dquot_6.6.0 [ 0.811941] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.812854] pnp: PnP ACPI init [ 0.813787] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.814377] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.814951] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.815532] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.816105] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.816688] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.817290] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.817899] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.818482] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.819054] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.820384] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.821211] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.821938] system 00:04: [io 0x0200] has been reserved [ 0.822416] system 00:04: [io 0x0204] has been reserved [ 0.822881] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.823405] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.825962] pnp: PnP ACPI: found 6 devices [ 0.839121] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.839982] NET: Registered protocol family 2 [ 0.840501] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.842438] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.843337] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.844207] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.846410] TCP: Hash tables configured (established 32768 bind 32768) [ 0.847217] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.848105] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.848916] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.849853] NET: Registered protocol family 1 [ 0.850781] RPC: Registered named UNIX socket transport module. [ 0.851313] RPC: Registered udp transport module. [ 0.851742] RPC: Registered tcp transport module. [ 0.852156] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.853146] NET: Registered protocol family 44 [ 0.853569] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.854019] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.854632] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.855166] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.855708] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.856300] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.856946] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.857549] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.858140] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.858746] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.859355] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.859954] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.860561] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.861161] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.861767] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.862404] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.863005] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.863612] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.864212] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.864818] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.865441] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.866040] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.866648] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.867566] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.869864] PCI: CLS 64 bytes, default 64 [ 0.870510] Unpacking initramfs... [ 1.109748] Freeing initrd memory: 8312K [ 1.110161] DMAR: Host address width 39 [ 1.110562] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.111076] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.111812] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.112364] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.112841] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.113609] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.114169] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.115029] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.115730] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.116230] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.116800] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.117270] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.117769] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.119685] kvm: already loaded the other module [ 1.121852] check: Scanning for low memory corruption every 60 seconds [ 1.124930] Initialise system trusted keyrings [ 1.125522] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.141469] NFS: Registering the id_resolver key type [ 1.141937] Key type id_resolver registered [ 1.142327] Key type id_legacy registered [ 1.157967] Key type asymmetric registered [ 1.158363] Asymmetric key parser 'x509' registered [ 1.158827] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.159488] io scheduler mq-deadline registered [ 1.159888] io scheduler kyber registered [ 1.160430] test_firmware: interface ready [ 1.162021] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.163587] ACPI: AC Adapter [AC] (on-line) [ 1.164262] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.165768] ACPI: Lid Switch [LID0] [ 1.166287] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.167124] ACPI: Power Button [PWRF] [ 1.167797] ACPI: \_PR_.CP00: Found 3 idle states [ 1.168774] ACPI: \_PR_.CP01: Found 3 idle states [ 1.169627] ACPI: \_PR_.CP02: Found 3 idle states [ 1.170509] ACPI: \_PR_.CP03: Found 3 idle states [ 1.171757] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.174650] hpet_acpi_add: no address or irqs in _CRS [ 1.175410] Non-volatile memory driver v1.3 [ 1.175488] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.175901] Linux agpgart interface v0.103 [ 1.178849] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.231068] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.232412] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.233291] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.234293] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.261555] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.265209] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.280893] loop: module loaded [ 1.281821] lkdtm: No crash points registered, enable through debugfs [ 1.302762] printk: console [ttyS0] disabled [ 1.303465] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.133504] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.138559] printk: console [ttyS0] enabled [ 2.142061] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.178386] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.534663] clocksource: Switched to clocksource tsc [ 4.534806] fbcon: i915drmfb (fb0) is primary device [ 4.536654] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.543946] e100: Intel(R) PRO/100 Network Driver [ 4.543949] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.543998] e1000: Intel(R) PRO/1000 Network Driver [ 4.544000] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.544066] e1000e: Intel(R) PRO/1000 Network Driver [ 4.544067] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.544137] sky2: driver version 1.30 [ 4.544406] usbcore: registered new interface driver r8152 [ 4.544710] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.544725] ehci-pci: EHCI PCI platform driver [ 4.544779] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.544791] ohci-pci: OHCI PCI platform driver [ 4.544838] uhci_hcd: USB Universal Host Controller Interface driver [ 4.545813] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.546123] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.546675] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.547984] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.548031] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.549928] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.549945] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.549949] usb usb1: Product: xHCI Host Controller [ 4.549952] usb usb1: Manufacturer: Linux 5.10.124-cip9 xhci-hcd [ 4.549955] usb usb1: SerialNumber: 0000:00:14.0 [ 4.551416] hub 1-0:1.0: USB hub found [ 4.551558] hub 1-0:1.0: 12 ports detected [ 4.555260] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.555686] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.555699] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.556057] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.556066] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.556070] usb usb2: Product: xHCI Host Controller [ 4.556074] usb usb2: Manufacturer: Linux 5.10.124-cip9 xhci-hcd [ 4.556077] usb usb2: SerialNumber: 0000:00:14.0 [ 4.557278] hub 2-0:1.0: USB hub found [ 4.557398] hub 2-0:1.0: 6 ports detected [ 4.559461] usbcore: registered new interface driver usblp [ 4.559533] usbcore: registered new interface driver usb-storage [ 4.559960] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.560086] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.560089] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.560778] i8042: Warning: Keylock active [ 4.561030] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.562961] rtc_cmos 00:02: RTC can wake from S4 [ 4.564896] rtc_cmos 00:02: registered as rtc0 [ 4.565089] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.565501] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.567023] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.567702] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.567757] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.568681] Console: switching to colour frame buffer device 240x67 [ 4.568699] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.570061] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.570093] intel_pstate: Intel P-state driver initializing [ 4.570865] intel_pstate: HWP enabled [ 4.570912] sdhci: Secure Digital Host Controller Interface driver [ 4.570913] sdhci: Copyright(c) Pierre Ossman [ 4.570953] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.572146] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.572317] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.574163] hid: raw HID events driver (C) Jiri Kosina [ 4.574921] usbcore: registered new interface driver usbhid [ 4.574923] usbhid: USB HID core driver [ 4.575362] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.580513] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.030932] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.038703] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.049637] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.056164] gre: GRE over IPv4 demultiplexor driver [ 5.061639] ip_gre: GRE over IPv4 tunneling driver [ 5.067940] IPv4 over IPsec tunneling driver [ 5.073055] Initializing XFRM netlink socket [ 5.078640] NET: Registered protocol family 10 [ 5.085371] Segment Routing with IPv6 [ 5.090234] ip6_gre: GRE over IPv6 tunneling driver [ 5.096011] NET: Registered protocol family 17 [ 5.101099] Key type dns_resolver registered [ 5.104843] 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 [ 5.119042] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.125274] microcode: Microcode Update Driver: v2.2. [ 5.125281] IPI shorthand broadcast: enabled [ 5.131001] mmc0: new HS400 MMC card at address 0001 [ 5.135810] sched_clock: Marking stable (5049081199, 86626095)->(5147785260, -12077966) [ 5.147048] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.155721] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.155834] registered taskstats version 1 [ 5.162500] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.166964] Loading compiled-in X.509 certificates [ 5.169188] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.174065] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.180786] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.204893] PM: Magic number: 10:630:791 [ 5.205610] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.215964] printk: console [netcon0] enabled [ 5.220729] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.220846] netconsole: network logging started [ 5.234745] IP-Config: Failed to open gretap0 [ 5.239641] IP-Config: Failed to open erspan0 [ 5.244540] IP-Config: No network devices available [ 5.250035] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.258819] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.260375] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.269572] modprobe (100) used greatest stack depth: 14120 bytes left [ 5.272478] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.272573] ALSA device list: [ 5.272577] No soundcards found. [ 5.272784] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.272795] cfg80211: failed to load regulatory.db [ 5.292209] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.296022] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.298166] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.298169] usb 2-3: Product: USB 10/100/1000 LAN [ 5.298171] usb 2-3: Manufacturer: Realtek [ 5.347475] usb 2-3: SerialNumber: 001000001 [ 5.351495] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.360701] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 5.370259] Freeing unused kernel image (initmem) memory: 1688K [ 5.389590] Write protecting the kernel read-only data: 26624k [ 5.397134] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.404739] Freeing unused kernel image (rodata/data gap) memory: 152K [ 5.412102] Run /init as init process [ 5.412365] usb 1-3: new full-speed USB device number 2 using xhci_hcd Loading, please wait... Starting version 247.3-7 [ 5.438954] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 5.493987] udevadm (125) used greatest stack depth: 13576 bytes left [ 5.551582] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.560750] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.571603] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.635059] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 5.646148] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.665969] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.675194] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.702107] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.714435] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.723444] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.733451] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.744643] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.758093] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.768677] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.780919] r8152 2-3:1.0 eth0: v1.11.11 [ 5.785772] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.792591] r8152 2-3:1.0 enx00e04c680bd9: renamed from eth0 [ 5.809362] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.971603] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.980788] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.988785] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.994163] usb 1-9: Manufacturer: Azurewave [ 5.998951] usb 1-9: SerialNumber: 0x0001 [ 6.008683] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.015752] udevadm (146) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: enx00e04c680bd9 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c680bd9 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.401188] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680bd9: link becomes ready [ 7.409712] r8152 2-3:1.0 enx00e04c680bd9: carrier on IP-Config: enx00e04c680bd9 complete (dhcp from 192.168.201.1): address: 192.168.201.10 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 : [ 8.436080] nfsmount (167) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.582402] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.620620] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.650469] systemd[1]: Set hostname to . [ 10.153705] systemd[1]: Queued start job for default target Graphical Interface. [ 10.166580] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.183154] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.199099] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.216039] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.231985] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.250836] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.272643] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.295756] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.311635] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.322604] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.338692] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.349602] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.360968] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.378934] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.396170] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.413699] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.430210] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.449603] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.466466] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.485074] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.503732] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.522132] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.539083] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.554820] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.575754] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.593865] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.609068] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.645097] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.655649] fuse: init (API version 7.32) [ 10.661884] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.679437] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.694762] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.714203] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.730208] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.745797] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.762778] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.779654] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.795563] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 10.815272] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.822247] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.838702] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 10.946483] systemd-journald[202]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 12.468538] systemd-tmpfile (214) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.124-cip9 #1 SMP Fri Jun 24 15:37:56 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6677557/extract-nfsrootfs-buz2rjsy' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6677557/extract-nfsrootfs-buz2rjsy' / # 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-6677557/environment . /lava-6677557/environment / # /lava-6677557/bin/lava-test-runner /lava-6677557/0 /lava-6677557/bin/lava-test-runner /lava-6677557/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6677557/0/tests/0_timesync-off ++ cat uuid + UUID=6677557_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6677557/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6677557_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.121-cip9-272-g3fb28d4c623b/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-6677557/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-06-24 15:47:34-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.121-cip9-272-g3fb28d4c623b/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 52.250.1.28 Connecting to storage.kernelci.org (storage.kernelci.org)|52.250.1.28|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3498592 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 44.98K 156KB/s kselftest.tar.xz 6%[> ] 216.08K 375KB/s kselftest.tar.xz 23%[===> ] 812.82K 891KB/s kselftest.tar.xz 57%[==========> ] 1.93M 1.59MB/s kselftest.tar.xz 87%[================> ] 2.90M 2.01MB/s kselftest.tar.xz 100%[===================>] 3.34M 2.09MB/s in 1.6s 2022-06-24 15:47:36 (2.09 MB/s) - 'kselftest.tar.xz' saved [3498592/3498592] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 46.016813] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 46.168921] lkdtm: Performing direct entry BUG [ 46.173970] ------------[ cut here ]------------ [ 46.179146] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 46.185008] invalid opcode: 0000 [#1] SMP PTI [ 46.189873] CPU: 1 PID: 730 Comm: cat Not tainted 5.10.124-cip9 #1 [ 46.196774] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.203581] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.207962] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 46.228945] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 46.234780] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.242749] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 46.250720] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 46.258689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.266659] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 46.274627] FS: 00007fa806010580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 [ 46.283664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.290080] CR2: 00007fa805e29000 CR3: 00000001034a2001 CR4: 00000000003706e0 [ 46.298049] Call Trace: [ 46.300776] direct_entry.cold+0x2c/0x38 [ 46.305153] full_proxy_write+0x56/0x80 [ 46.309434] vfs_write+0xea/0x390 [ 46.313132] ksys_write+0x68/0xe0 [ 46.316821] do_syscall_64+0x33/0x40 [ 46.320810] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.326449] RIP: 0033:0x7fa805f38f33 [ 46.330438] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.351426] RSP: 002b:00007ffe31909878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.359882] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa805f38f33 [ 46.367851] RDX: 0000000000000004 RSI: 00007fa805e29000 RDI: 0000000000000001 [ 46.375821] RBP: 00007fa805e29000 R08: 00007fa805e28010 R09: 0000000000000000 [ 46.383791] R10: 00007fa8060331c0 R11: 0000000000000246 R12: 0000000000000001 [ 46.391761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.399733] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.426197] ---[ end trace 0f2f4ca23f3d3d14 ]--- [ 46.431363] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.435751] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 46.456744] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 46.462587] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.470590] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 46.478564] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 46.486566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 46.494539] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 46.502540] FS: 00007fa806010580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 [ 46.511610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.518029] CR2: 00007fa805e29000 CR3: 00000001034a2001 CR4: 00000000003706e0 # Segmentation fault # [ 46.168921] lkdtm: Performing direct entry BUG # [ 46.173970] ------------[ cut here ]------------ # [ 46.179146] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 46.185008] invalid opcode: 0000 [#1] SMP PTI # [ 46.189873] CPU: 1 PID: 730 Comm: cat Not tainted 5.10.124-cip9 #1 # [ 46.196774] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.203581] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.207962] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f[ 46.591738] lkdtm: Performing direct entry WARNING 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 46.22[ 46.599499] ------------[ cut here ]------------ 8945] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 46.2347[ 46.610885] WARNING: CPU: 1 PID: 766 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 80] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 00000000000[ 46.626419] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000 # [ 46.242749] RDX: 0000000000000000 RSI: ffff9b1f3ac9b[ 46.659062] CPU: 1 PID: 766 Comm: cat Tainted: G D 5.10.124-cip9 #1 [ 46.673729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f70 RDI: ffffffff98ed9a70 # [ 46.250720] RBP: ffffffff9931b4b[ 46.680538] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 46.691515] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 0 R08: 0000000000000001 R09: 0000000000000001 # [ 46.258689] [ 46.712523] RSP: 0018:ffffb43f01517e60 EFLAGS: 00010202 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 46.724573] RAX: ffffffff982b2140 RBX: 0000000000000002 RCX: 0000000000000000 4 # [ 46.266659] R13: ffffb43f01467f10 R14: ffffb43f01467f10 [ 46.738761] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a80 R15: ffff9b1ec3e4a000 # [ 46.274627] FS: 00007fa806010580(00[ 46.752947] RBP: ffffffff992c009f R08: 0000000000000000 R09: 0000000000000000 00) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 46.2[ 46.767137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 83664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 46.781325] R13: ffffb43f01517f10 R14: ffffb43f01517f10 R15: ffff9b1ec328f000 46.290080] CR2: 00007fa805e29000 CR3: 00000001034a2001 CR4: 0000[ 46.795515] FS: 00007fcd4670e580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 0000003706e0 # [ 46.298049] Call Trace: # [ 46.300776] di[ 46.810770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rect_entry.cold+0x2c/0x38 # [ 46.305153] full_proxy_write+0x[ 46.823421] CR2: 00007fcd46527000 CR3: 0000000105c10001 CR4: 00000000003706e0 56/0x80 # [ 46.309434] vfs_write+0xea/0x390 # [ 46.313132[ 46.837610] Call Trace: ] ksys_write+0x68/0xe0 # [ 46.316821] do_syscall_64+0x33/0x[ 46.846558] direct_entry.cold+0x2c/0x38 40 # [ 46.320810] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 46.857174] full_proxy_write+0x56/0x80 # [ 46.326449] RIP: 0033:0x7fa805f38f33 # [ 46.330438] Code[ 46.867655] vfs_write+0xea/0x390 : 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 46.877568] ksys_write+0x68/0xe0 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 46.887486] do_syscall_64+0x33/0x40 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 46.897692] entry_SYSCALL_64_after_hwframe+0x44/0xa9 18 # [ 46.351426] RSP: 002b:00007ffe31909878 EFLAGS: 0000024[ 46.909551] RIP: 0033:0x7fcd46636f33 6 ORIG_RAX: 0000000000000001 # [ 46.359882] RAX: ffffffffffff[ 46.919759] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffda RBX: 0000000000000004 RCX: 00007fa805f38f33 # [ 46.36785[ 46.946964] RSP: 002b:00007ffd15d89698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 1] RDX: 0000000000000004 RSI: 00007fa805e29000 RDI: 000000000000[ 46.961636] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fcd46636f33 0001 # [ 46.375821] RBP: 00007fa805e29000 R08: 00007fa805e280[ 46.975825] RDX: 0000000000000008 RSI: 00007fcd46527000 RDI: 0000000000000001 10 R09: 0000000000000000 # [ 46.383791] R10: 00007fa8060331c0[ 46.990016] RBP: 00007fcd46527000 R08: 00007fcd46526010 R09: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 # [ 46.391761] R[ 47.004207] R10: 00007fcd467311c0 R11: 0000000000000246 R12: 0000000000000001 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 47.018418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.399733] Modules linked in: fuse ip_tables cros_ec_sen[ 47.032607] irq event stamp: 0 sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu[ 47.042229] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs [ 47.055450] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev[ 47.070802] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 cros_usbpd_notify # [ 46.426197] ---[ end trace 0f2f4ca23f3d[ 47.086154] softirqs last disabled at (0): [<0000000000000000>] 0x0 3d14 ]--- # [ 46.431363] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 47.099379] ---[ end trace 0f2f4ca23f3d3d15 ]--- 46.435751] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 46.456744] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 46.462587] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.470590] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 46.478564] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 46.486566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.494539] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 46.502540] FS: 00007fa806010580(0000) GS:ffff9b1f3ac80000(0000) knl[ 47.185242] lkdtm: Performing direct entry WARNING_MESSAGE [ 47.191467] ------------[ cut here ]------------ [ 47.196629] Warning message trigger count: 2 [ 47.201411] WARNING: CPU: 3 PID: 801 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 47.211625] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify GS:0000000000000000 # [ 46.511610] CS: 0010 DS: 0000 ES: 000[ 47.238085] CPU: 3 PID: 801 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 47.252753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.259560] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 0 CR0: 0000000080050033 # [ 46.518029] CR2: 00007fa805e29000 [ 47.265208] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 13 70 02 48 c7 c7 00 06 2c 99 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 [ 47.292422] RSP: 0018:ffffb43f0158fe60 EFLAGS: 00010286 [ 47.298282] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 47.306253] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 47.314225] RBP: ffffffff992c00a7 R08: 0000000000000000 R09: 0000000000000000 [ 47.322220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 CR3: 00000001034a2001 CR4: 00000000003706e0 # BUG: saw 'kernel [ 47.330203] R13: ffffb43f0158ff10 R14: ffffb43f0158ff10 R15: ffff9b1ec27e9000 [ 47.344384] FS: 00007f2febb96580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 47.353424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.359840] CR2: 00007f2feb9af000 CR3: 0000000104f9c006 CR4: 00000000003706e0 [ 47.367809] Call Trace: [ 47.370532] direct_entry.cold+0x2c/0x38 [ 47.374946] full_proxy_write+0x56/0x80 [ 47.379261] vfs_write+0xea/0x390 [ 47.382984] ksys_write+0x68/0xe0 [ 47.386684] do_syscall_64+0x33/0x40 [ 47.390675] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.396315] RIP: 0033:0x7f2febabef33 [ 47.400306] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.421289] RSP: 002b:00007ffed78ede58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.429748] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2febabef33 [ 47.437718] RDX: 0000000000000010 RSI: 00007f2feb9af000 RDI: 0000000000000001 [ 47.445681] RBP: 00007f2feb9af000 R08: 00007f2feb9ae010 R09: 0000000000000000 [ 47.453654] R10: 00007f2febbb91c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.461639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.469614] irq event stamp: 0 BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: [ 47.473048] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.486262] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 47.495425] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 47.504562] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.511563] ---[ end trace 0f2f4ca23f3d3d16 ]--- WARNING.sh # [ 46.591738] lkdtm: Performing direct entry WARNING # [ 46.599499] ------------[ cut here ]------------ # [ 46.610885] WARNING: CPU: 1 PID: 766 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 # [ 46.626419] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.659062] CPU: 1 PID: 766 Comm: cat Tainted: G D 5.10.124-cip9 #1 # [ 46.673729] Hardware name: Google Rammus/Rammus, B[ 47.576787] lkdtm: Performing direct entry EXCEPTION [ 47.584458] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 47.592238] #PF: supervisor write access in kernel mode [ 47.598069] #PF: error_code(0x0002) - not-present page [ 47.603803] PGD 0 P4D 0 [ 47.606626] Oops: 0002 [#2] SMP PTI [ 47.610515] CPU: 3 PID: 833 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 47.618967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.625773] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 47.630732] Code: 48 c7 c7 00 06 2c 99 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 47.651716] RSP: 0018:ffffb43f015f7e60 EFLAGS: 00010286 [ 47.657540] RAX: ffffffff982b2190 RBX: 0000000000000004 RCX: 0000000000000000 [ 47.665509] RDX: 0000000000000000 RSI: ffff9b1f3ad9bf70 RDI: ffffffff98ed9aa0 [ 47.673479] RBP: ffffffff991f5c9f R08: 0000000000000000 R09: 0000000000000000 [ 47.681446] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 47.689422] R13: ffffb43f015f7f10 R14: ffffb43f015f7f10 R15: ffff9b1ec2910000 [ 47.697391] FS: 00007f9a09fab580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 47.706428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.712844] CR2: 0000000000000000 CR3: 000000010379a006 CR4: 00000000003706e0 [ 47.720813] Call Trace: [ 47.723542] direct_entry.cold+0x2c/0x38 [ 47.727922] full_proxy_write+0x56/0x80 [ 47.732203] vfs_write+0xea/0x390 [ 47.735899] ksys_write+0x68/0xe0 [ 47.739596] do_syscall_64+0x33/0x40 [ 47.743577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.749216] RIP: 0033:0x7f9a09ed3f33 [ 47.753203] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.774184] RSP: 002b:00007ffe0123cbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.782641] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9a09ed3f33 [ 47.790603] RDX: 000000000000000a RSI: 00007f9a09dc4000 RDI: 0000000000000001 [ 47.798573] RBP: 00007f9a09dc4000 R08: 00007f9a09dc3010 R09: 0000000000000000 [ 47.806542] R10: 00007f9a09fce1c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.814512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.822482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify IOS 09/04/2020 # [ 46.680538] RIP: 0010:lkdtm_WARNING+0xf/0x[ 47.848931] CR2: 0000000000000000 [ 47.858842] ---[ end trace 0f2f4ca23f3d3d17 ]--- [ 47.863996] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.868372] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 47.889374] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 47.895199] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.903168] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 47.911138] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 47.919108] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.927077] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 47.935046] FS: 00007f9a09fab580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 47.944084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.950499] CR2: 0000000000000000 CR3: 000000010379a006 CR4: 00000000003706e0 [ 47.958468] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 47.968381] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 833, name: cat [ 47.976738] INFO: lockdep is turned off. [ 47.981114] irq event stamp: 0 [ 47.984519] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.991521] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 48.000656] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 48.009793] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.016791] CPU: 3 PID: 833 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 48.025246] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.032050] Call Trace: [ 48.034777] dump_stack+0x77/0x97 [ 48.038464] ___might_sleep.cold+0xa6/0xb6 [ 48.043035] exit_signals+0x1c/0x2d0 [ 48.047023] do_exit+0xd5/0xb00 [ 48.050524] ? ksys_write+0x68/0xe0 [ 48.054437] rewind_stack_do_exit+0x17/0x20 [ 48.059104] RIP: 0033:0x7f9a09ed3f33 [ 48.063093] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.084068] RSP: 002b:00007ffe0123cbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.092524] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9a09ed3f33 [ 48.100492] RDX: 000000000000000a RSI: 00007f9a09dc4000 RDI: 0000000000000001 [ 48.108461] RBP: 00007f9a09dc4000 R08: 00007f9a09dc3010 R09: 0000000000000000 [ 48.116434] R10: 00007f9a09fce1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.124422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 20 # [ 46.691515] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 # [ 46.712523] RSP: 0018:ffffb43f01517e60 EFLAGS: 00010202 # [ 46.724573] RAX: ffffffff982b2140 RBX: 0000000000000002 RCX: 0000000000000000 # [ 46.738761] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a80 # [ 46.752947] RBP: ffffffff992c009f R08: 0000000000000000 R09: 0000000000000000 # [ 46.767137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 46.781325] R13: ffffb43f01517f10 R14: ffffb43f01517f10 R15: ffff9b1ec328f000 # [ 46.795515] FS: 00007fcd4670e580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 46.810770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.823421] CR2: 00007fcd46527000 CR3: 0000000105c10001 CR4: 00000000003706e0 # [ 46.837610] Call Trace: # [ 46.846558] direct_entry.cold+0x2c/0x38 # [ 46.857174] full_proxy_write+0x56/0x80 # [ 46.867655] vfs_write+0xea/0x390 # [ 46.877568] ksys_write+0x68/0xe0 # [ 46.887486] do_syscall_64+0x33/0x40 # [ 46.897692] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 46.909551] RIP: 0033:0x7fcd46636f33 # [ 46.919759] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.946964] RSP: 002b:00007ffd15d89698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.961636] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fcd46636f33 # [ 46.975825] RDX: 0000000000000008 RSI: 00007fcd46527000 RDI: 0000000000000001 # [ 46.990016] [ 48.303653] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 48.312695] lkdtm: attempting good list addition [ 48.317856] lkdtm: attempting corrupted list addition [ 48.323498] lkdtm: list_add() corruption not detected! RBP: 00007fcd46527000 R08: 00007fcd46526010 R09: 0000000000000000 # [ 47.004207] R10: 00007fcd467311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.018418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.032607] irq event stamp: 0 # [ 47.042229] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.055450] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 47.070802] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 47.086154] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.099379] ---[ end trace 0f2f4ca23f3d3d15 ]--- # WARNING: saw 'WARNING:': ok ok 3 s[ 48.397410] lkdtm: Performing direct entry CORRUPT_LIST_DEL elftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE[ 48.403865] lkdtm: attempting good list removal .sh # [ 47.185242] lkdtm: Performing direct entry WARNING_MES[ 48.415138] lkdtm: attempting corrupted list removal SAGE # [ 47.191467] ------------[ cut here ]------------ # [[ 48.426903] lkdtm: list_del() corruption not detected! 47.196629] Warning message trigger count: 2 # [ 47.201411] WARNING: CPU: 3 PID: 801 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 47.211625] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.238085] CPU: 3 PID: 801 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 47.252753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.259560] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 47.265208] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 13 70 02 48 c7 c7 00 06 2c 99 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 47.292422] RSP: 0018:ffffb43f0158fe60 EFLAGS: 00010286 # [ 47.298282] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 47.306253] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 47.314225] RBP: ffffffff992c00a7 R08: 0000000000000000 R09: 0000000000000000 # [ 47.322220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 47.330203] R13: ffffb43f0158ff10 R14: ffffb43f0158ff10 R15: ffff9b1ec27e9000 # [ 47.344384] FS: 00007f2febb96580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 47.353424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.359840] CR2: 0[ 48.585015] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 0007f2feb9af000 CR3: 0000000104f9c006 CR4: 00000000003706e0 # [[ 48.595016] lkdtm: attempting bad read from page below current stack 47.367809] Call Trace: # [ 47.370532] direct_entry.cold+0[ 48.608351] BUG: stack guard page was hit at 000000007a73a9fa (stack is 0000000097a9a48c..00000000ef973aff) [ 48.625426] kernel stack overflow (page fault): 0000 [#3] SMP PTI x2c/0x38 # [ 47.374946] full_proxy_write+0x56/0x80 # [ 47[ 48.632231] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 48.646995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.653801] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a .379261] vfs_write+0xea/0x390 # [ 47.382984] ksys_write+0x6[ 48.660316] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 a0 09 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 4e a4 fd ff 48 c7 c7 e0 09 2c 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 34 a4 fd ff 0f 1f 44 [ 48.687510] RSP: 0018:ffffb43f0191fe50 EFLAGS: 00010246 [ 48.693344] RAX: 0000000000000038 RBX: ffffb43f0191c000 RCX: 0000000000000000 [ 48.701337] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff992c09e0 [ 48.709297] RBP: ffffffff992c010a R08: 0000000000000000 R09: 0000000000000000 [ 48.717265] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 48.725235] R13: ffffb43f0191ff10 R14: ffffb43f0191ff10 R15: ffff9b1ec4faf000 [ 48.733204] FS: 00007f6c56114580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 [ 48.742241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.748657] CR2: ffffb43f0191bfff CR3: 0000000102776001 CR4: 00000000003706e0 [ 48.756625] Call Trace: [ 48.759374] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 48.764432] direct_entry.cold+0x2c/0x38 [ 48.768810] full_proxy_write+0x56/0x80 8/0xe0 # [ 47.386684] do_syscall_64+0x33/0x40 # [ 47.3906[ 48.773093] vfs_write+0xea/0x390 [ 48.783001] ksys_write+0x68/0xe0 [ 48.786698] do_syscall_64+0x33/0x40 [ 48.790677] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.796316] RIP: 0033:0x7f6c5603cf33 [ 48.800304] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.821277] RSP: 002b:00007ffebcae4f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.829733] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6c5603cf33 [ 48.837693] RDX: 0000000000000019 RSI: 00007f6c55f2d000 RDI: 0000000000000001 [ 48.845662] RBP: 00007f6c55f2d000 R08: 00007f6c55f2c010 R09: 0000000000000000 [ 48.853630] R10: 00007f6c561371c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.861601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 75] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 47.396315] [ 48.869571] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.902214] ---[ end trace 0f2f4ca23f3d3d18 ]--- [ 48.907377] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.911757] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 48.932740] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 48.938572] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.946541] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 48.954509] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 48.962477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.970447] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 48.978419] FS: 00007f6c56114580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 [ 48.987456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.993872] CR2: ffffb43f0191bfff CR3: 0000000102776001 CR4: 00000000003706e0 [ 49.001842] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.011754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1058, name: cat [ 49.020209] INFO: lockdep is turned off. [ 49.024585] irq event stamp: 0 [ 49.027991] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.034992] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.044129] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.053264] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.060263] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 49.068815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.075618] Call Trace: [ 49.078346] dump_stack+0x77/0x97 RIP: 0033:0x7f2febabef33 # [ 47.400306] Code: 8b 15 61 ef 0c [ 49.082069] ___might_sleep.cold+0xa6/0xb6 [ 49.092852] exit_signals+0x1c/0x2d0 [ 49.096841] do_exit+0xd5/0xb00 [ 49.100344] ? ksys_write+0x68/0xe0 [ 49.104237] rewind_stack_do_exit+0x17/0x20 [ 49.108905] RIP: 0033:0x7f6c5603cf33 [ 49.112893] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.133879] RSP: 002b:00007ffebcae4f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.142335] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6c5603cf33 [ 49.150297] RDX: 0000000000000019 RSI: 00007f6c55f2d000 RDI: 0000000000000001 [ 49.158266] RBP: 00007f6c55f2d000 R08: 00007f6c55f2c010 R09: 0000000000000000 [ 49.166234] R10: 00007f6c561371c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.174203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 47.421289] RSP: 002b:00007ffed78ede58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.429748] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f2febabef33 # [ 47.437718] RDX: 0000000000000010 RSI: 00007f2feb9af000 RDI: 0000000000000001 # [ 47.445681] RBP: 00007f2feb9af000 R08: 00007f2feb9ae010 R09: 0000000000000000 # [ 47.453654] R10: 00007f2febbb91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.461639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.469614] irq event stamp: 0 # [ 47.473048] hardirqs last enabled at[ 49.253927] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING (0): [<0000000000000000>] 0x0 # [ 47.486262] hardirqs last d[ 49.263869] lkdtm: attempting bad read from page above current stack isabled at (0): [] copy_process+0x63c/0x1c80 [ 49.277210] BUG: stack guard page was hit at 0000000097665303 (stack is 000000004589c0cf..00000000534b004f) [ 49.294272] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 49.301077] CPU: 0 PID: 1091 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 49.309620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.316428] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 49.323043] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 0a 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 14 a4 fd ff 48 c7 c7 58 0a 2c 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 f7 a3 fd ff [ 49.344026] RSP: 0018:ffffb43f0199fe50 EFLAGS: 00010246 [ 49.349860] RAX: 0000000000000038 RBX: ffffb43f0199c000 RCX: 0000000000000000 [ 49.357828] RDX: 0000000000000000 RSI: ffff9b1f3ac1bf70 RDI: ffffffff992c0a58 [ 49.365798] RBP: ffffffff992c0123 R08: 0000000000000000 R09: 0000000000000000 [ 49.373766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 49.381735] R13: ffffb43f0199ff10 R14: ffffb43f0199ff10 R15: ffff9b1ec57c2000 [ 49.389705] FS: 00007f1cbcb2a580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 49.398743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.405159] CR2: ffffb43f019a0000 CR3: 0000000103470006 CR4: 00000000003706f0 [ 49.413128] Call Trace: [ 49.415856] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 49.421690] direct_entry.cold+0x2c/0x38 [ 49.426070] full_proxy_write+0x56/0x80 [ 49.430357] vfs_write+0xea/0x390 [ 49.434055] ksys_write+0x68/0xe0 [ 49.437743] do_syscall_64+0x33/0x40 [ 49.441723] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.447363] RIP: 0033:0x7f1cbca52f33 [ 49.451343] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.472327] RSP: 002b:00007ffd8e9c2628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.480783] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f1cbca52f33 [ 49.488754] RDX: 000000000000001a RSI: 00007f1cbc943000 RDI: 0000000000000001 [ 49.496723] RBP: 00007f1cbc943000 R08: 00007f1cbc942010 R09: 0000000000000000 [ 49.504691] R10: 00007f1cbcb4d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.512661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.520632] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.547075] ---[ end trace 0f2f4ca23f3d3d19 ]--- [ 49.552229] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.556597] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 49.577571] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 49.583404] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.591372] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 49.599341] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 49.607310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.615278] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 49.623248] FS: 00007f1cbcb2a580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 49.632276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.638690] CR2: ffffb43f019a0000 CR3: 0000000103470006 CR4: 00000000003706f0 # [ 47.495425] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 47.504562] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.511563] ---[ end trace 0f2f4ca23f3d3d16 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 47.576787] lkdtm: Performing direct entry EXCEPTION # [ 47.584458] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 47.592238] #PF: supervisor write access in kernel mode # [ 47.598069] #PF: error_code(0x0002) - not-present page # [ 47.603803] PGD 0 P4D 0 # [ 47.606626] Oops: 0002 [#2] SMP PTI # [ 47.610515] CPU: 3 PID: 833 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 47.618967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.625773] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 47.630732] Code: 48 c7 c7 00 06 2c 99 8d 70 01 89 35 b1 13 70 02 e8 dc b2 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 47.651716] RSP: 0018:ffffb43f015f7e60 EFLAGS: 00010286 # [ 47.657540] RAX: ffffffff982b2190 RBX: 0000000000000004 RCX: 0000000000000000 # [ 47.665509] RDX: 0000000000000000 RSI: ffff9b1f3ad9bf70 RDI: ffffffff98ed9aa0 # [ 47.673479] RBP: ffffffff991f5c9f R08: 0000000000000000 R09: 0000000000000000 # [ 47.681446] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 47.68[ 49.794391] lkdtm: Performing direct entry UNSET_SMEP 9422] R13: ffffb43f015f7f10 R14: ffffb43f015f7f10 R15: ffff9b1ec[ 49.801488] lkdtm: trying to clear SMEP normally 2910000 # [ 47.697391] FS: 00007f9a09fab580(0000) GS:ffff9b1[ 49.812860] ------------[ cut here ]------------ f3ad80000(0000) knlGS:0000000000000000 # [ 47.706428] CS: 00[ 49.824251] pinned CR4 bits changed: 0x100000!? 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.712844] CR2[ 49.835544] WARNING: CPU: 0 PID: 1127 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 : 0000000000000000 CR3: 000000010379a006 CR4: 00000000003706e0 [ 49.851979] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.720813] Call Trace: # [ 47.723542] direct_entry.col[ 49.884625] CPU: 0 PID: 1127 Comm: cat Tainted: G D W 5.10.124-cip9 #1 d+0x2c/0x38 # [ 47.727922] full_proxy_write+0x56/0x80 # [ [ 49.899393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 47.732203] vfs_write+0xea/0x390 # [ 47.735899] ksys_write+[ 49.912460] RIP: 0010:native_write_cr4+0x41/0x60 0x68/0xe0 # [ 47.739596] do_syscall_64+0x33/0x40 # [ 47.7[ 49.923822] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 00 fc 1f 99 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 43577] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 47.74921[ 49.951066] RSP: 0018:ffffb43f01a2fe48 EFLAGS: 00010286 6] RIP: 0033:0x7f9a09ed3f33 # [ 47.753203] Code: 8b 15 61 ef [ 49.963103] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 49.977332] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 49.991510] RBP: ffffffff992c013d R08: 0000000000000000 R09: 0000000000000000 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.[ 50.005738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 774184] RSP: 002b:00007ffe0123cbe8 EFLAGS: 00000246 ORIG_RAX: 00[ 50.019914] R13: ffffb43f01a2ff10 R14: ffffb43f01a2ff10 R15: ffff9b1ec26c0000 00000000000001 # [ 47.782641] RAX: ffffffffffffffda RBX: 0000[ 50.034105] FS: 00007f2206c93580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 00000000000a RCX: 00007f9a09ed3f33 # [ 47.790603] RDX: 000000[ 50.049395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000a RSI: 00007f9a09dc4000 RDI: 0000000000000001 # [ 47[ 50.062016] CR2: 00007f2206aac000 CR3: 0000000103ec8006 CR4: 00000000003706f0 .798573] RBP: 00007f9a09dc4000 R08: 00007f9a09dc3010 R09: 000000[ 50.076246] Call Trace: 0000000000 # [ 47.806542] R10: 00007f9a09fce1c0 R11: 00000000[ 50.085208] lkdtm_UNSET_SMEP.cold+0x1d/0x103 00000246 R12: 0000000000000001 # [ 47.814512] R13: 0000000000[ 50.096338] direct_entry.cold+0x2c/0x38 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.822[ 50.106897] full_proxy_write+0x56/0x80 482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_s[ 50.117448] vfs_write+0xea/0x390 ensors_core industrialio_triggered_buffer kfifo_buf industrialio[ 50.127361] ksys_write+0x68/0xe0 cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugf[ 50.137269] do_syscall_64+0x33/0x40 s cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_no[ 50.147479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 tify # [ 47.848931] CR2: 0000000000000000 # [ 47.858842] -[ 50.159367] RIP: 0033:0x7f2206bbbf33 --[ end trace 0f2f4ca23f3d3d17 ]--- # [ 47.863996] RIP: 0010:[ 50.169544] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 lkdtm_BUG+0x5/0x10 # [ 47.868372] Code: 55 a5 ff 48 c7 c0 ea [ 50.196750] RSP: 002b:00007ffce7d762b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d[ 50.211444] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2206bbbf33 1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 [ 50.225614] RDX: 000000000000000b RSI: 00007f2206aac000 RDI: 0000000000000001 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 47.889374] R[ 50.239815] RBP: 00007f2206aac000 R08: 00007f2206aab010 R09: 0000000000000000 SP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 47.895199] RAX[ 50.254000] R10: 00007f2206cb61c0 R11: 0000000000000246 R12: 0000000000000001 : ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.268192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.903168] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI[ 50.282398] irq event stamp: 0 : ffffffff98ed9a70 # [ 47.911138] RBP: ffffffff9931b4b0 R08: [ 50.292008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000001 R09: 0000000000000001 # [ 47.919108] R10: 00[ 50.305227] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 50.320589] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 47.927077] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ff[ 50.335960] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff9b1ec3e4a000 # [ 47.935046] FS: 00007f9a09fab580(0000) GS:[ 50.349184] ---[ end trace 0f2f4ca23f3d3d1a ]--- ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 47.944084] [ 50.360542] lkdtm: ok: SMEP did not get cleared [ 50.371818] lkdtm: trying to clear SMEP with call gadget CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.9504[ 50.377794] lkdtm: ok: SMEP removal was reverted 99] CR2: 0000000000000000 CR3: 000000010379a006 CR4: 00000000003706e0 # [ 47.958468] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 47.968381] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 833, name: cat # [ 47.976738] INFO: lockdep is turned off. # [ 47.981114] irq event stamp: 0 # [ 47.984519] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.991521] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.000656] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.009793] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.016791] [ 50.456067] lkdtm: Performing direct entry DOUBLE_FAULT [ 50.463326] lkdtm: XFAIL: this test is ia32-only CPU: 3 PID: 833 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 48.025246] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.032050] Call Trace: # [ 48.034777] dump_stack+0x77/0x97 # [ 48.038464] ___might_sleep.cold+0xa6/0xb6 # [ 48.043035] exit_signals+0x1c/0x2d0 # [ 48.047023] do_exit+0xd5/0xb00 # [ 48.050524] ? ksys_write+0x68/0xe0 # [ 48.054437] rewind_stack_do_exit+0x17/0x20 # [ 48.059104] RIP: 0033:0x7f9a09ed3f33 # [ 48.063093] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.084068] RSP: 002b:00007ffe0123cbe8 EFLAGS: 00000246 ORIG_RAX: [ 50.540565] lkdtm: Performing direct entry CORRUPT_PAC [ 50.548855] lkdtm: XFAIL: this test is arm64-only 0000000000000001 # [ 48.092524] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9a09ed3f33 # [ 48.100492] RDX: 000000000000000a RSI: 00007f9a09dc4000 RDI: 0000000000000001 # [ 48.108461] RBP: 00007f9a09dc4000 R08: 00007f9a09dc3010 R09: 0000000000000000 # [ 48.116434] R10: 00007f9a09fce1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.124422] 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_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 48.303653] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 48.312695] lkdtm: attempting good list addition # [ 48.317856] lkdtm: attempting corrupted list a[ 50.678325] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE ddition # [ 48.323498] lkdtm: list_add() corruption not detec[ 50.685824] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ted! # 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 # [ 48.397410] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 48.403865] lkdtm: attempting good list removal # [ 48.415138] lkdtm: attempting corrupted list removal # [ 48.426903] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 48.585015] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 48.595016] lkdtm: attempting bad read from page below current stack # [ 48.608351] BUG: stack guard page was hit at 000000007a73a9fa (stack is 0000000097a9a48c..00000000ef973aff) # [ 48.625426] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 48.632231] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 48.646995] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.653801] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 48.660316] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 a0 09 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 4e a4 fd ff 48 c7 c7 e0 09 2c 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 34 a4 fd ff 0f 1f 44 # [ 48.687510] RSP: 0018:ffffb43f0191fe50 EFLAGS: 00010246 # [ 48.693344] RAX: 0000000000000038 RBX: ffffb43f0191c000 RCX: 0000000000000000 # [ 48.701337] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff992c09e0 # [ 48.709297] RBP: ffffffff992c010a R08: 0000000000000000 R09: 0000000000000000 # [ 48.717265] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 48.725235] R[ 50.869617] lkdtm: Performing direct entry READ_AFTER_FREE [ 50.879760] lkdtm: Value in memory before free: 12345678 [ 50.885710] lkdtm: Attempting bad read from freed memory [ 50.891660] lkdtm: Memory was not poisoned 13: ffffb43f0191ff10 R14: ffffb43f0191ff10 R15: ffff9b1ec4faf000 # [ 48.733204] FS: 00007f6c56114580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 48.742241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.748657] CR2: ffffb43f0191bfff CR3: 0000000102776001 CR4: 00000000003706e0 # [ 48.756625] Call Trace: # [ 48.759374] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 48.764432] direct_entry.cold+0x2c/0x38 # [ 48.768810] full_proxy_write+0x56/0x80 # [ 48.773093] vfs_write+0xea/0x390 # [ 48.783001] ksys_write+0x68/0xe0 # [ 48.786698] do_syscall_64+0x33/0x40 # [ 48.790677] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.796316] RIP: 0033:0x7f6c5603cf33 # [ 48.800304] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.821277] RSP: 002b:00007ffebcae4f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.829733] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6c5603cf33 # [ 48.837693] RDX: 0000000000000019 RSI: 00007f6c55f2d000 RDI: 0000000000000001 # [ 48.845662] RBP: 00007f6c55f2d000 R08: 00007f6c55f2c010 R09: 0000000000000000 # [ 48.853630] R10: 00007f6c561371c0 R11: 0000000000000246 R12: 000[ 51.023285] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 51.033518] lkdtm: Value in memory before free: 12345678 [ 51.039468] lkdtm: Attempting to read from freed memory 0000000000001 # [ 48.861601] R13: 0000000000000001 R14: 00000[ 51.045318] lkdtm: Buddy page was not poisoned 00000020000 R15: 0000000000020000 # [ 48.869571] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.902214] ---[ end trace 0f2f4ca23f3d3d18 ]--- # [ 48.907377] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.911757] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 48.932740] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 48.938572] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 00000000000[ 51.130317] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 00000 # [ 48.946541] RDX: 0000000000000000 RSI: ffff9b1f3ac9b[ 51.137333] lkdtm: Attempting double slab free ... f70 RDI: ffffffff98ed9a70 # [ 48.954509] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 48.962477] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.970447] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 48.978419] FS: 00007f6c56114580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 48.987456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.993872] CR2: ffffb43f0191bfff CR3: 0000000102776001 CR4: 00000000003706e0 # [ 49.001842] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.011754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1058, name: cat # [ 49.020209] INFO: lockdep is turned off. # [ 49.024585] irq event stamp: 0 # [ 49.027991] hardirqs las[ 51.223987] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 51.235808] lkdtm: Attempting cross-cache slab free ... t enabled at (0): [<0000000000000000>] 0x0 # [ 49.034992] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.044129] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.053264] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.060263] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 49.068815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.075618] Call Trace: # [ 49.078346] dump_stack+0x77/0x97 # [ 49.082069] ___might_sleep.cold+0xa6/0xb6 # [ 49.092852] exit_signals+0x1c/0x2d0 # [ 49.096841] do_exit+0xd5/0xb00 # [ 49.100344] ? ksys_write+[ 51.304676] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 51.316111] lkdtm: Attempting non-Slab slab free ... 0x68/0xe0 # [ 49.104237] rewind_stack_do_exit+0x17/0x20 # [ 49.108905] RIP: 0033:0x7f6c5603cf33 # [ 49.112893] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.133879] RSP: 002b:00007ffebcae4f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.142335] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6c5603cf33 # [ 49.150297] RDX: 0000000000000019 RSI: 00007f6c55f2d000 RDI: 0000000000000001 # [ 49.158266] RBP: 00007f6c55f2d000 R08: 00007f6c55f2c010 R09: 0000000000000000 # [ 49.166234] R10: 00007f6c561371c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.174203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 49.253927] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 49.263869] lkdtm: attempting bad read from page above current stack # [ 49.277210] BUG: stack guard page was hit at 0000000097665303 (stack is 000000004589c0cf..00000000534b004f) # [ 49.294272] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 49.301077] CPU: 0 PID: 1091 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 49.309620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.316428] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 49.323043] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 0a 2c 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 14 a4 fd ff 48 c7 c7 58 0a 2c 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 f7 a3 fd ff # [ 49.344026] RSP: 0018:ffffb43f0199fe50 EFLAGS: 00010246 # [ 49.349860] RAX: 0000000000000038 RBX: ffffb43f0199c000 RCX: 0000000000000000 # [ 49.357828] RDX: 0000000000000000 RSI: f[ 51.513242] lkdtm: Performing direct entry EXEC_DATA [ 51.519934] lkdtm: attempting ok execution at ffffffff982b2500 [ 51.526474] lkdtm: attempting bad execution at ffffffff9a9b3560 fff9b1f3ac1bf70 RDI: ffffffff992c0a58 # [ 49.365798] RBP: fff[ 51.533123] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 51.547673] BUG: unable to handle page fault for address: ffffffff9a9b3560 [ 51.555372] #PF: supervisor instruction fetch in kernel mode [ 51.561690] #PF: error_code(0x0011) - permissions violation [ 51.567911] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 80000001152000e3 [ 51.575689] Oops: 0011 [#5] SMP PTI [ 51.579578] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 51.588130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.594937] RIP: 0010:data_area+0x0/0x40 [ 51.599313] Code: ff ff 00 72 3d c4 1e 9b ff ff 00 71 3d c4 1e 9b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 51.620297] RSP: 0018:ffffb43f0222fe48 EFLAGS: 00010246 [ 51.626130] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.634099] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 51.642068] RBP: ffffffff9a9b3560 R08: 0000000000000000 R09: 0000000000000000 [ 51.650038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 51.658009] R13: ffffb43f0222ff10 R14: ffffb43f0222ff10 R15: ffff9b1ec4c44000 [ 51.665979] FS: 00007f313c180580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 51.675018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.681435] CR2: ffffffff9a9b3560 CR3: 000000010541a004 CR4: 00000000003706e0 [ 51.689397] Call Trace: [ 51.692125] ? execute_location+0x48/0x56 [ 51.696600] ? direct_entry.cold+0x2c/0x38 [ 51.701172] ? full_proxy_write+0x56/0x80 [ 51.705647] ? vfs_write+0xea/0x390 [ 51.709530] ? ksys_write+0x68/0xe0 [ 51.713429] ? do_syscall_64+0x33/0x40 [ 51.717611] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.723444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffff992c0123 R08: 0000000000000000 R09: 0000000000000000 # [ [ 51.749895] CR2: ffffffff9a9b3560 [ 51.759805] ---[ end trace 0f2f4ca23f3d3d1b ]--- [ 51.764959] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.769335] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 51.790319] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 51.796152] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.804121] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 51.812090] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 51.820061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.828031] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 51.836001] FS: 00007f313c180580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 51.845038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.851455] CR2: ffffffff9a9b3560 CR3: 000000010541a004 CR4: 00000000003706e0 [ 51.859428] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.869340] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat [ 51.877796] INFO: lockdep is turned off. [ 51.882173] irq event stamp: 0 [ 51.885577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.892577] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.901711] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.910844] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.917842] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 51.926395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.933198] Call Trace: [ 51.935924] dump_stack+0x77/0x97 [ 51.939614] ___might_sleep.cold+0xa6/0xb6 [ 51.944185] exit_signals+0x1c/0x2d0 [ 51.948173] do_exit+0xd5/0xb00 [ 51.951676] ? ksys_write+0x68/0xe0 [ 51.955567] rewind_stack_do_exit+0x17/0x20 [ 51.960237] RIP: 0033:0x7f313c0a8f33 [ 51.964225] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.985210] RSP: 002b:00007ffc3b614d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.993666] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f313c0a8f33 [ 52.001635] RDX: 000000000000000a RSI: 00007f313bf99000 RDI: 0000000000000001 [ 52.009605] RBP: 00007f313bf99000 R08: 00007f313bf98010 R09: 0000000000000000 [ 52.017575] R10: 00007f313c1a31c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.025544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 49.373766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 49.381735] R13: ffffb43f0199ff10 R14: ffffb43f0199ff10 R15: ffff9b1ec57c2000 # [ 49.389705] FS: 00007f1cbcb2a580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 49.398743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.405159] CR2: ffffb43f019a0000 CR3: 0000000103470006 CR4: 00000000003706f0 # [ 49.413128] Call Trace: # [ 49.415856] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 49.421690] direct_entry.cold+0x2c/0x38 # [ 49.426070] full_proxy_write+0x56/0x80 # [ 49.430357] vfs_write+0xea/0x390 # [ 49.434055] ksys_write+0x68/0xe0 # [ 49.437743] do_syscall_64+0x33/0x40 # [ 49.441723] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.447363] RIP: 0033:0x7f1cbca52f33 # [ 49.451343] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f[ 52.114779] lkdtm: Performing direct entry EXEC_STACK [ 52.126227] lkdtm: attempting ok execution at ffffffff982b2500 [ 52.132766] lkdtm: attempting bad execution at ffffb43f021e7e18 [ 52.139406] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00[ 52.147772] BUG: unable to handle page fault for address: ffffb43f021e7e18 [ 52.161664] #PF: supervisor instruction fetch in kernel mode [ 52.167984] #PF: error_code(0x0011) - permissions violation [ 52.174206] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104bb8067 PTE 80000001037de063 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 52.183251] Oops: 0011 [#6] SMP PTI [ 52.193356] CPU: 3 PID: 1670 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 52.201910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.208718] RIP: 0010:0xffffb43f021e7e18 8 89 54 24 18 # [ 49.472327] RSP: 002b:00007ffd8e9c2628 EFLAG[ 52.213097] Code: 00 00 18 7e 1e 02 3f b4 ff ff 96 8d 8f 98 ff ff ff ff 20 00 00 00 00 00 00 00 66 02 2c 99 ff ff ff ff c2 8e 8f 98 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 52.240295] RSP: 0018:ffffb43f021e7df8 EFLAGS: 00010246 [ 52.246130] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.254100] RDX: 0000000000000000 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 52.262068] RBP: ffffb43f021e7e18 R08: 0000000000000000 R09: 0000000000000000 [ 52.270037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.278006] R13: ffffb43f021e7f10 R14: ffffb43f021e7f10 R15: ffff9b1ec4daf000 [ 52.285976] FS: 00007fca30061580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 52.295015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.301431] CR2: ffffb43f021e7e18 CR3: 000000010562c001 CR4: 00000000003706e0 [ 52.309400] Call Trace: [ 52.312129] ? execute_location+0x48/0x56 [ 52.316602] ? lkdtm_EXEC_STACK+0x26/0x40 [ 52.321077] ? direct_entry.cold+0x2c/0x38 [ 52.325650] ? full_proxy_write+0x56/0x80 [ 52.330125] ? vfs_write+0xea/0x390 [ 52.334016] ? ksys_write+0x68/0xe0 [ 52.337909] ? do_syscall_64+0x33/0x40 [ 52.342091] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.347926] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.374389] CR2: ffffb43f021e7e18 [ 52.378087] ---[ end trace 0f2f4ca23f3d3d1c ]--- [ 52.383241] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.387618] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 52.408601] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 52.414434] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.422422] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 52.430390] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 52.438371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.446341] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 52.454310] FS: 00007fca30061580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 52.463371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.469789] CR2: ffffb43f021e7e18 CR3: 000000010562c001 CR4: 00000000003706e0 S: 00000246 ORIG_RAX: 0000000000000001 # [ 49.480783] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f1cbca52f33 # [ 49.488754] RDX: 000000000000001a RSI: 00007f1cbc943000 RDI: 0000000000000001 # [ 49.496723] RBP: 00007f1cbc943000 R08: 00007f1cbc942010 R09: 0000000000000000 # [ 49.504691] R10: 00007f1cbcb4d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.512661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.520632] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.547075] ---[ end trace 0f2f4ca23f3d3d19 ]--- # [ 49.552229] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.556597] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 49.577571] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 49.583404] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.591372][ 52.595479] lkdtm: Performing direct entry EXEC_KMALLOC [ 52.601712] lkdtm: attempting ok execution at ffffffff982b2500 [ 52.608231] lkdtm: attempting bad execution at ffff9b1ec4e433c0 [ 52.614900] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a[ 52.623265] BUG: unable to handle page fault for address: ffff9b1ec4e433c0 [ 52.637159] #PF: supervisor instruction fetch in kernel mode [ 52.643477] #PF: error_code(0x0011) - permissions violation [ 52.649700] PGD 115401067 P4D 115401067 PUD 10004e063 PMD 105490063 PTE 8000000104e43163 [ 52.658741] Oops: 0011 [#7] SMP PTI [ 52.662632] CPU: 2 PID: 1706 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 52.671184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.677991] RIP: 0010:0xffff9b1ec4e433c0 [ 52.682372] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 af 97 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 52.703373] RSP: 0018:ffffb43f02327e38 EFLAGS: 00010246 [ 52.709206] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.717175] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 52.725144] RBP: ffff9b1ec4e433c0 R08: 0000000000000000 R09: 0000000000000000 [ 52.733112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 52.741081] R13: ffffb43f02327f10 R14: ffffb43f02327f10 R15: ffff9b1ec34ab000 [ 52.749053] FS: 00007fec6a504580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 52.758090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.764504] CR2: ffff9b1ec4e433c0 CR3: 0000000103e1e001 CR4: 00000000003706e0 [ 52.772473] Call Trace: [ 52.775203] ? execute_location+0x48/0x56 [ 52.779678] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 52.784363] ? direct_entry.cold+0x2c/0x38 70 # [ 49.599341] RBP: ffffffff9931b4b0 R08: 0000000000000001[ 52.788944] ? full_proxy_write+0x56/0x80 [ 52.799632] ? vfs_write+0xea/0x390 [ 52.803521] ? ksys_write+0x68/0xe0 [ 52.807427] ? do_syscall_64+0x33/0x40 [ 52.811608] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.817443] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R09: 0000000000000001 # [ 49.607310] R10: 00000000ffffe000 R[ 52.843903] CR2: ffff9b1ec4e433c0 [ 52.853814] ---[ end trace 0f2f4ca23f3d3d1d ]--- [ 52.858966] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.863343] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 52.884372] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 52.890206] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.898175] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 52.906143] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 52.914113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.922082] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 52.930051] FS: 00007fec6a504580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 52.939089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.945504] CR2: ffff9b1ec4e433c0 CR3: 0000000103e1e001 CR4: 00000000003706e0 [ 52.953474] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.963386] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1706, name: cat [ 52.971840] INFO: lockdep is turned off. [ 52.976216] irq event stamp: 0 [ 52.979621] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.986622] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.995758] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.004894] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.011893] CPU: 2 PID: 1706 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 53.020445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.027249] Call Trace: [ 53.029977] dump_stack+0x77/0x97 [ 53.033676] ___might_sleep.cold+0xa6/0xb6 [ 53.038248] exit_signals+0x1c/0x2d0 [ 53.042237] do_exit+0xd5/0xb00 [ 53.045730] ? ksys_write+0x68/0xe0 [ 53.049622] rewind_stack_do_exit+0x17/0x20 [ 53.054290] RIP: 0033:0x7fec6a42cf33 [ 53.058278] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.079264] RSP: 002b:00007ffc2f236968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.087722] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fec6a42cf33 [ 53.095692] RDX: 000000000000000d RSI: 00007fec6a31d000 RDI: 0000000000000001 [ 53.103662] RBP: 00007fec6a31d000 R08: 00007fec6a31c010 R09: 0000000000000000 [ 53.111631] R10: 00007fec6a5271c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.119600] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 11: 3fffffffffffffff R12: 0000000000000004 # [ 49.615278] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 49.623248] FS: 00007f1cbcb2a580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 49.632276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.638690] CR2: ffffb43f019a0000 CR3: 0000000103470006 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 49.794391] lkdtm: Performing direct entry UNSET_SMEP # [ 49.801488] lkdtm: trying to clear SMEP normally # [ 49.812860] ------------[ cut here ]------------ # [ 49.824251] pinned CR4 bits changed: 0x100000!? # [ 49.835544] WARNING: CPU: 0 PID: 1127 at arch/x86/kernel/cpu/common.c:392 native_write_[ 53.207388] lkdtm: Performing direct entry EXEC_VMALLOC cr4+0x41/0x60 # [ 49.851979] Modules linked in: fuse ip_table[ 53.214259] lkdtm: attempting ok execution at ffffffff982b2500 s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 53.226991] lkdtm: attempting bad execution at ffffb43f006e9000 ffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar c[ 53.239844] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.254379] BUG: unable to handle page fault for address: ffffb43f006e9000 [ 53.262059] #PF: supervisor instruction fetch in kernel mode [ 53.268377] #PF: error_code(0x0011) - permissions violation [ 53.274599] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1055db067 PTE 8000000105684063 [ 53.283646] Oops: 0011 [#8] SMP PTI [ 53.287537] CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 53.296089] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.302895] RIP: 0010:0xffffb43f006e9000 [ 53.307271] Code: Unable to access opcode bytes at RIP 0xffffb43f006e8fd6. [ 53.314948] RSP: 0018:ffffb43f0220fe38 EFLAGS: 00010246 [ 53.320780] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.328749] RDX: 0000000000000000 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 [ 53.336720] RBP: ffffb43f006e9000 R08: 0000000000000000 R09: 0000000000000000 [ 53.344690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.352658] R13: ffffb43f0220ff10 R14: ffffb43f0220ff10 R15: ffff9b1ec5684000 [ 53.360630] FS: 00007f166852c580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 53.369667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.376082] CR2: ffffb43f006e8fd6 CR3: 00000001029c8004 CR4: 00000000003706f0 [ 53.384052] Call Trace: [ 53.386781] ? execute_location+0x48/0x56 [ 53.391261] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 53.395920] ? direct_entry.cold+0x2c/0x38 [ 53.400493] ? full_proxy_write+0x56/0x80 [ 53.404966] ? vfs_write+0xea/0x390 [ 53.408857] ? ksys_write+0x68/0xe0 [ 53.412750] ? do_syscall_64+0x33/0x40 [ 53.416933] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.422769] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.449201] CR2: ffffb43f006e9000 [ 53.452899] ---[ end trace 0f2f4ca23f3d3d1e ]--- [ 53.458053] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.462429] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 53.483422] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 53.489255] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.497225] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 53.505193] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 53.513165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.521134] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 53.529103] FS: 00007f166852c580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 53.538141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.544557] CR2: ffffb43f006e8fd6 CR3: 00000001029c8004 CR4: 00000000003706f0 ros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.884625] CPU: 0 PID: 1127 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 49.899393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.912460] RIP: 0010:native_write_cr4+0x41/0x60 # [ 49.923822] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d dc d8 c3 01 00 75 f6 48 c7 c7 00 fc 1f 99 c6 05 cc d8 c3 01 01 e8 8b d7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 49.951066] RSP: 0018:ffffb43f01a2fe48 EFLAGS: 00010286 # [ 49.963103] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 49.977332] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 49.991510] RBP: ffffffff992c013d R08: 0000000000000000 R09: 0000000000000000 # [ 50.005738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.019914] R13: ffffb43f01a2ff10 R14: ffffb43f01a2ff10 R15: ffff9b1ec26c0000 # [ 50.034105] FS: 00007f2206c93580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 50.049395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.062016] CR2: 00007f2206aac000 CR3: 0000000103ec8006 CR4: 00000000003706f0 # [ 50.076246] Call Trace: # [ 50.085208] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.096338] direct_entry.cold+0x2c/0x38 # [ 50.106897] full_proxy_write+0x56/0x80 # [ 50.117448] vfs_write+0xea/0x390 # [ 50.127361] ksys_write+0x68/0xe0 # [ 50.137269] do_syscall_64+0x33/0x40 # [ 50.147479] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.159367] RIP: 0033:0x7f2206bbbf33 # [ 50.169544] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 53.728800] lkdtm: Performing direct entry EXEC_RODATA [ 53.738524] lkdtm: attempting ok execution at ffffffff982b2500 [ 53.745075] lkdtm: attempting bad execution at ffffffff98ed9f00 [ 53.751698] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.760063] BUG: unable to handle page fault for address: ffffffff98ed9f00 [ 53.767745] #PF: supervisor instruction fetch in kernel mode [ 53.774064] #PF: error_code(0x0011) - permissions violation [ 53.780286] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 80000001138000e1 [ 53.788064] Oops: 0011 [#9] SMP PTI [ 53.791954] CPU: 2 PID: 1778 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 53.800508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.807316] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 53.813052] Code: ff ff c2 a2 8f 98 ff ff ff ff b2 04 2c 99 ff ff ff ff 78 8a 8f 98 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 [ 53.834037] RSP: 0018:ffffb43f023d7e48 EFLAGS: 00010246 [ 53.839869] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 53.847840] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 53.855810] RBP: ffffffff98ed9f00 R08: 0000000000000000 R09: 0000000000000000 [ 53.863778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 53.871747] R13: ffffb43f023d7f10 R14: ffffb43f023d7f10 R15: ffff9b1ec325c000 [ 53.879717] FS: 00007fbcbbc63580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 53.888754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.895169] CR2: ffffffff98ed9f00 CR3: 0000000103598004 CR4: 00000000003706e0 [ 53.903138] Call Trace: [ 53.905865] ? execute_location+0x48/0x56 [ 53.910340] ? direct_entry.cold+0x2c/0x38 [ 53.914913] ? full_proxy_write+0x56/0x80 [ 53.919387] ? vfs_write+0xea/0x390 [ 53.923276] ? ksys_write+0x68/0xe0 [ 53.927169] ? do_syscall_64+0x33/0x40 [ 53.931343] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.937177] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3 ec 28 48 89 54 24 18 # [ 50.196750] RSP: 002b:00007ffce7d76[ 53.963634] CR2: ffffffff98ed9f00 [ 53.973546] ---[ end trace 0f2f4ca23f3d3d1f ]--- [ 53.978700] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.983068] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 54.004052] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 54.009884] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.017854] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 54.025823] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 54.033791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.041761] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 54.049731] FS: 00007fbcbbc63580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 54.058768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.065184] CR2: ffffffff98ed9f00 CR3: 0000000103598004 CR4: 00000000003706e0 2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.211444] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2206bbbf33 # [ 50.225614] RDX: 000000000000000b RSI: 00007f2206aac000 RDI: 0000000000000001 # [ 50.239815] RBP: 00007f2206aac000 R08: 00007f2206aab010 R09: 0000000000000000 # [ 50.254000] R10: 00007f2206cb61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.268192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.282398] irq event stamp: 0 # [ 50.292008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.305227] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.320589] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.335960] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.349184] ---[ end trace 0f2f4ca23f3d3d1a ]--- # [ 50.360542] lkdtm: ok: SMEP did not get cleared # [ 50.371818] lkdtm: trying to clear SMEP with call gadget # [ 50.377794] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET[ 54.182514] lkdtm: Performing direct entry EXEC_USERSPACE _SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 50.456067] [ 54.191111] lkdtm: attempting ok execution at ffffffff982b2500 lkdtm: Performing direct entry DOUBLE_FAULT # [ 50.463326] lk[ 54.203852] lkdtm: attempting bad execution at 00007fd2bf720000 dtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL':[ 54.216705] unable to execute userspace code (SMEP?) (uid: 0) [ 54.229291] BUG: unable to handle page fault for address: 00007fd2bf720000 [ 54.236970] #PF: supervisor instruction fetch in kernel mode [ 54.243288] #PF: error_code(0x0011) - permissions violation [ 54.249510] PGD 800000010335a067 P4D 800000010335a067 PUD 102704067 PMD 10126a067 PTE 11859b067 [ 54.259237] Oops: 0011 [#10] SMP PTI [ 54.263217] CPU: 0 PID: 1814 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 54.271770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.278576] RIP: 0010:0x7fd2bf720000 [ 54.282563] Code: Unable to access opcode bytes at RIP 0x7fd2bf71ffd6. [ 54.289851] RSP: 0018:ffffb43f02487e50 EFLAGS: 00010246 [ 54.295685] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 54.303656] RDX: 0000000000000000 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 [ 54.311626] RBP: 00007fd2bf720000 R08: 0000000000000000 R09: 0000000000000000 [ 54.319594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 54.327563] R13: ffffb43f02487f10 R14: ffffb43f02487f10 R15: ffff9b1ec5c2b000 [ 54.335533] FS: 00007fd2bf6f1580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 54.344570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.350985] CR2: 00007fd2bf720000 CR3: 0000000104f50002 CR4: 00000000003706f0 [ 54.358954] Call Trace: [ 54.361684] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 54.367030] ? direct_entry.cold+0x2c/0x38 [ 54.371603] ? full_proxy_write+0x56/0x80 [ 54.376078] ? vfs_write+0xea/0x390 [ 54.379961] ? ksys_write+0x68/0xe0 [ 54.383853] ? do_syscall_64+0x33/0x40 [ 54.388027] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.393863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.420304] CR2: 00007fd2bf720000 [ 54.423992] ---[ end trace 0f2f4ca23f3d3d20 ]--- [ 54.429147] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.433522] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 54.454507] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 54.460341] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.468312] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 54.476281] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 54.484251] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.492222] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 54.500192] FS: 00007fd2bf6f1580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 54.509230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.515646] CR2: 00007fd2bf720000 CR3: 0000000104f50002 CR4: 00000000003706f0 [ 54.523616] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.533528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1814, name: cat [ 54.541984] INFO: lockdep is turned off. [ 54.546375] irq event stamp: 0 [ 54.549780] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.556779] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.565908] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.575045] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.582046] CPU: 0 PID: 1814 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 54.590598] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.597401] Call Trace: [ 54.600129] dump_stack+0x77/0x97 [ 54.603832] ___might_sleep.cold+0xa6/0xb6 [ 54.608395] exit_signals+0x1c/0x2d0 [ 54.612385] do_exit+0xd5/0xb00 [ 54.615889] ? ksys_write+0x68/0xe0 [ 54.619772] rewind_stack_do_exit+0x17/0x20 [ 54.624430] RIP: 0033:0x7fd2bf619f33 [ 54.628419] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.649403] RSP: 002b:00007fffe1fa4a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.657858] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fd2bf619f33 [ 54.665829] RDX: 000000000000000f RSI: 00007fd2bf50a000 RDI: 0000000000000001 [ 54.673800] RBP: 00007fd2bf50a000 R08: 00007fd2bf509010 R09: 0000000000000000 [ 54.681769] R10: 00007fd2bf7141c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.689739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 50.540565] lkdtm: Performing direct entry CORRUPT_PAC # [ 50.548855] 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 # [ 50.678325] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 50.685824] 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[ 54.786056] lkdtm: Performing direct entry EXEC_NULL [ 54.796494] lkdtm: attempting ok execution at ffffffff982b2500 [ 54.803017] lkdtm: attempting bad execution at 0000000000000000 [ 54.809634] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 54.817416] #PF: supervisor instruction fetch in kernel mode [ 54.823737] #PF: error_code(0x0010) - not-present page [ 54.829474] PGD 0 P4D 0 [ 54.832300] Oops: 0010 [#11] SMP PTI [ 54.836281] CPU: 3 PID: 1850 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 54.844835] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.851640] RIP: 0010:0x0 [ 54.854563] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 54.862243] RSP: 0018:ffffb43f0251fe48 EFLAGS: 00010246 [ 54.868067] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.876038] RDX: 0000000000000000 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 54.884008] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 54.891977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.899947] R13: ffffb43f0251ff10 R14: ffffb43f0251ff10 R15: ffff9b1ec5685000 [ 54.907916] FS: 00007ff3a23fd580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 54.916954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.923371] CR2: ffffffffffffffd6 CR3: 0000000104fc2006 CR4: 00000000003706e0 [ 54.931341] Call Trace: [ 54.934070] execute_location+0x48/0x56 [ 54.938370] direct_entry.cold+0x2c/0x38 [ 54.942751] full_proxy_write+0x56/0x80 [ 54.947032] vfs_write+0xea/0x390 [ 54.950728] ksys_write+0x68/0xe0 [ 54.954427] do_syscall_64+0x33/0x40 [ 54.958423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.964061] RIP: 0033:0x7ff3a2325f33 [ 54.968049] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.989024] RSP: 002b:00007fffb41ebfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.997481] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff3a2325f33 [ 55.005449] RDX: 000000000000000a RSI: 00007ff3a2216000 RDI: 0000000000000001 [ 55.013419] RBP: 00007ff3a2216000 R08: 00007ff3a2215010 R09: 0000000000000000 [ 55.021387] R10: 00007ff3a24201c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.029372] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.037345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .sh # [ 50.869617] lkdtm: Performing direct entry READ_AFTER_[ 55.063805] CR2: 0000000000000000 [ 55.073716] ---[ end trace 0f2f4ca23f3d3d21 ]--- [ 55.078862] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.083238] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 55.104220] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 55.110053] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.118021] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 55.125991] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 55.133960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.141929] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 55.149898] FS: 00007ff3a23fd580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 55.158936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.165373] CR2: ffffffffffffffd6 CR3: 0000000104fc2006 CR4: 00000000003706e0 FREE # [ 50.879760] lkdtm: Value in memory before free: 12345678 # [ 50.885710] lkdtm: Attempting bad read from freed memory # [ 50.891660] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 51.023285] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 51.033518] lkdtm: Value in memory before free: 12345678 # [ 51.039468] lkdtm: Attempting to read from freed memory # [ 51.045318] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTE[ 55.244524] lkdtm: Performing direct entry ACCESS_USERSPACE [ 55.254186] lkdtm: attempting bad read at 00007fdd4ed06000 [ 55.260325] BUG: unable to handle page fault for address: 00007fdd4ed06000 [ 55.268034] #PF: supervisor read access in kernel mode [ 55.273773] #PF: error_code(0x0001) - permissions violation [ 55.279988] PGD 800000010542c067 P4D 800000010542c067 PUD 10542e067 PMD 102911067 PTE 1083e7067 R_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdt[ 55.289709] Oops: 0001 [#12] SMP PTI [ 55.299911] CPU: 2 PID: 1885 Comm: cat Tainted: G D W 5.10.124-cip9 #1 m: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_F[ 55.308463] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.321487] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 55.327709] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 d0 11 2c 99 e8 90 9d fd ff 48 c7 c7 f8 11 2c 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 77 9d fd ff 48 89 ee 48 c7 c7 20 12 2c [ 55.348693] RSP: 0018:ffffb43f025b7e48 EFLAGS: 00010246 [ 55.354527] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 55.362498] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffffffff992c11f8 [ 55.370466] RBP: 00007fdd4ed06000 R08: 0000000000000000 R09: 0000000000000000 [ 55.378435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 55.386426] R13: ffffb43f025b7f10 R14: ffffb43f025b7f10 R15: ffff9b1ec33df000 [ 55.394397] FS: 00007fdd4ecd7580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 55.403456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.409871] CR2: 00007fdd4ed06000 CR3: 00000001026b2006 CR4: 00000000003706e0 [ 55.417840] Call Trace: [ 55.420569] direct_entry.cold+0x2c/0x38 [ 55.424950] full_proxy_write+0x56/0x80 [ 55.429231] vfs_write+0xea/0x390 [ 55.432920] ksys_write+0x68/0xe0 [ 55.436618] do_syscall_64+0x33/0x40 [ 55.440606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.446245] RIP: 0033:0x7fdd4ebfff33 [ 55.450233] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.471216] RSP: 002b:00007ffd58b4d328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.479671] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdd4ebfff33 [ 55.487640] RDX: 0000000000000011 RSI: 00007fdd4eaf0000 RDI: 0000000000000001 [ 55.495609] RBP: 00007fdd4eaf0000 R08: 00007fdd4eaef010 R09: 0000000000000000 [ 55.503577] R10: 00007fdd4ecfa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.511545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.519516] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify REE_DOUBLE.sh # [ 51.130317] lkdtm: Performing direct entry S[ 55.545968] CR2: 00007fdd4ed06000 [ 55.555878] ---[ end trace 0f2f4ca23f3d3d22 ]--- [ 55.561024] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.565413] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 55.586428] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 55.592262] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.600232] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 55.608200] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 55.616170] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.624140] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 55.632110] FS: 00007fdd4ecd7580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 55.641147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.647564] CR2: 00007fdd4ed06000 CR3: 00000001026b2006 CR4: 00000000003706e0 [ 55.655535] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.665446] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1885, name: cat [ 55.673903] INFO: lockdep is turned off. [ 55.678279] irq event stamp: 0 [ 55.681684] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.688684] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.697810] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.706943] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.713942] CPU: 2 PID: 1885 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 55.722495] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.729299] Call Trace: [ 55.732026] dump_stack+0x77/0x97 [ 55.735733] ___might_sleep.cold+0xa6/0xb6 [ 55.740306] exit_signals+0x1c/0x2d0 [ 55.744295] do_exit+0xd5/0xb00 [ 55.747797] ? ksys_write+0x68/0xe0 [ 55.751688] rewind_stack_do_exit+0x17/0x20 [ 55.756373] RIP: 0033:0x7fdd4ebfff33 [ 55.760372] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.781372] RSP: 002b:00007ffd58b4d328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.789828] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdd4ebfff33 [ 55.797798] RDX: 0000000000000011 RSI: 00007fdd4eaf0000 RDI: 0000000000000001 [ 55.805765] RBP: 00007fdd4eaf0000 R08: 00007fdd4eaef010 R09: 0000000000000000 [ 55.813734] R10: 00007fdd4ecfa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.821703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 LAB_FREE_DOUBLE # [ 51.137333] 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 # [ 51.223987] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 51.235808] 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 # [ 51.304676] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 51.316111] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 51.513242] lkdtm: Performing direct entry EXEC_DATA # [ 51.519934] lkdtm: attempting ok execution at ffffffff982b2500 # [ 51.526474] lkdtm: attempting bad execution at ffffffff9a9b3560 # [ 51.533123] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 51.547673] BUG: unable to handle page fault for address[ 55.980928] lkdtm: Performing direct entry ACCESS_NULL : ffffffff9a9b3560 # [ 51.555372] #PF: supervisor instruction[ 55.990892] lkdtm: attempting bad read at 0000000000000000 fetch in kernel mode # [ 51.561690] #PF: error_code(0x0011) [ 56.003268] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.017214] #PF: supervisor read access in kernel mode [ 56.022951] #PF: error_code(0x0000) - not-present page [ 56.028686] PGD 0 P4D 0 [ 56.031510] Oops: 0000 [#13] SMP PTI [ 56.035499] CPU: 0 PID: 1920 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 56.044044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.050853] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 56.056110] Code: 34 9d fd ff be 00 10 00 00 48 89 ef e8 8b bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 11 2c 99 e8 0e 9d fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 11 2c 99 48 01 [ 56.077085] RSP: 0018:ffffb43f02657e58 EFLAGS: 00010246 [ 56.082920] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 56.090891] RDX: 0000000000000000 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 [ 56.098860] RBP: ffffffff992c02c1 R08: 0000000000000000 R09: 0000000000000000 [ 56.106830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.114800] R13: ffffb43f02657f10 R14: ffffb43f02657f10 R15: ffff9b1ec3119000 [ 56.122771] FS: 00007f9485660580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 56.131800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.138216] CR2: 0000000000000000 CR3: 0000000105c4c002 CR4: 00000000003706f0 [ 56.146185] Call Trace: [ 56.148913] direct_entry.cold+0x2c/0x38 [ 56.153298] full_proxy_write+0x56/0x80 [ 56.157584] vfs_write+0xea/0x390 [ 56.161273] ksys_write+0x68/0xe0 [ 56.164971] do_syscall_64+0x33/0x40 [ 56.168953] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.174594] RIP: 0033:0x7f9485588f33 [ 56.178583] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.199567] RSP: 002b:00007ffd49700d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.208024] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9485588f33 [ 56.215995] RDX: 000000000000000c RSI: 00007f9485479000 RDI: 0000000000000001 [ 56.223964] RBP: 00007f9485479000 R08: 00007f9485478010 R09: 0000000000000000 [ 56.231935] R10: 00007f94856831c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.239904] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.247878] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.274321] CR2: 0000000000000000 [ 56.278018] ---[ end trace 0f2f4ca23f3d3d23 ]--- [ 56.283174] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.287550] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 56.308535] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 56.314369] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.322340] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 56.330303] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 56.338264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.346233] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 56.354204] FS: 00007f9485660580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 56.363234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.369650] CR2: 0000000000000000 CR3: 0000000105c4c002 CR4: 00000000003706f0 - permissions violation # [ 51.567911] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 80000001152000e3 # [ 51.575689] Oops: 0011 [#5] SMP PTI # [ 51.579578] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 51.588130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.594937] RIP: 0010:data_area+0x0/0x40 # [ 51.599313] Code: ff ff 00 72 3d c4 1e 9b ff ff 00 71 3d c4 1e 9b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 51.620297] RSP: 0018:ffffb43f0222fe48 EFLAGS: 00010246 # [ 51.626130] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.634099] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 51.642068] RBP: ffffffff9a9b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 51.650038] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.658009] R13: ffffb43f0222ff10 R14: ffffb4[ 56.474000] lkdtm: Performing direct entry WRITE_RO 3f0222ff10 R15: ffff9b1ec4c44000 # [ 51.665979] FS: 00007f31[ 56.482641] lkdtm: attempting bad rodata write at ffffffff98ed9ef0 3c180580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000[ 56.495778] BUG: unable to handle page fault for address: ffffffff98ed9ef0 [ 56.509653] #PF: supervisor write access in kernel mode [ 56.515477] #PF: error_code(0x0003) - permissions violation [ 56.521700] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 80000001138000e1 [ 56.529477] Oops: 0003 [#14] SMP PTI [ 56.533466] CPU: 0 PID: 1955 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 56.542010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.548817] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 56.553782] Code: 00 48 c7 c7 b0 10 2c 99 48 c7 c6 f0 9e ed 98 e8 b0 9f fd ff 48 8b 05 2d 11 5e 00 ba 34 12 cd ab 48 c7 c7 e0 10 2c 99 48 31 d0 <48> 89 05 17 11 5e 00 e9 8e 9f fd ff 0f 1f 44 00 00 48 8b 05 3e 35 [ 56.574767] RSP: 0018:ffffb43f026f7e60 EFLAGS: 00010202 [ 56.580592] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 56.588561] RDX: 00000000abcd1234 RSI: ffff9b1f3ac1bf70 RDI: ffffffff992c10e0 [ 56.596529] RBP: ffffffff992c02cd R08: 0000000000000000 R09: 0000000000000000 [ 56.604499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 56.612469] R13: ffffb43f026f7f10 R14: ffffb43f026f7f10 R15: ffff9b1ec333f000 [ 56.620439] FS: 00007f26829c9580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 56.629479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.635896] CR2: ffffffff98ed9ef0 CR3: 000000010264a003 CR4: 00000000003706f0 [ 56.643867] Call Trace: [ 56.646593] direct_entry.cold+0x2c/0x38 [ 56.650965] full_proxy_write+0x56/0x80 [ 56.655251] vfs_write+0xea/0x390 [ 56.658947] ksys_write+0x68/0xe0 [ 56.662645] do_syscall_64+0x33/0x40 [ 56.666634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.672274] RIP: 0033:0x7f26828f1f33 [ 56.676253] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.697236] RSP: 002b:00007ffd635f1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.705683] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f26828f1f33 [ 56.713652] RDX: 0000000000000009 RSI: 00007f26827e2000 RDI: 0000000000000001 [ 56.721621] RBP: 00007f26827e2000 R08: 00007f26827e1010 R09: 0000000000000000 [ 56.729592] R10: 00007f26829ec1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.737562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.745532] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.771971] CR2: ffffffff98ed9ef0 [ 56.775668] ---[ end trace 0f2f4ca23f3d3d24 ]--- [ 56.780822] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.785197] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 56.806180] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 56.812011] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.819979] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 56.827947] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 56.835914] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.843884] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 56.851853] FS: 00007f26829c9580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 [ 56.860892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.867306] CR2: ffffffff98ed9ef0 CR3: 000000010264a003 CR4: 00000000003706f0 [ 56.875275] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.885186] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1955, name: cat [ 56.893640] INFO: lockdep is turned off. [ 56.898015] irq event stamp: 0 [ 56.901422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.908429] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.917554] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.926688] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.933686] CPU: 0 PID: 1955 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 56.942237] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.949040] Call Trace: [ 56.951767] dump_stack+0x77/0x97 [ 56.955464] ___might_sleep.cold+0xa6/0xb6 [ 56.960026] exit_signals+0x1c/0x2d0 [ 56.964013] do_exit+0xd5/0xb00 [ 56.967516] ? ksys_write+0x68/0xe0 [ 56.971408] rewind_stack_do_exit+0x17/0x20 [ 56.976095] RIP: 0033:0x7f26828f1f33 [ 56.980081] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.001062] RSP: 002b:00007ffd635f1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.009517] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f26828f1f33 [ 57.017485] RDX: 0000000000000009 RSI: 00007f26827e2000 RDI: 0000000000000001 [ 57.025453] RBP: 00007f26827e2000 R08: 00007f26827e1010 R09: 0000000000000000 [ 57.033423] R10: 00007f26829ec1c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.041392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.675018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.681435] CR2: ffffffff9a9b3560 CR3: 000000010541a004 CR4: 00000000003706e0 # [ 51.689397] Call Trace: # [ 51.692125] ? execute_location+0x48/0x56 # [ 51.696600] ? direct_entry.cold+0x2c/0x38 # [ 51.701172] ? full_proxy_write+0x56/0x80 # [ 51.705647] ? vfs_write+0xea/0x390 # [ 51.709530] ? ksys_write+0x68/0xe0 # [ 51.713429] ? do_syscall_64+0x33/0x40 # [ 51.717611] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.723444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.749895] CR2: ffffffff9a9b3560 # [ 51.759805] ---[ end trace 0f2f4ca23f3d3d1b ]--- # [ 51.764959] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.769335] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 51.790319] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 51.796152] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.804121] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 51.812090] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.820061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.828031] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 51.836001] FS: 00007f313c180580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 51.845038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.851455] CR2: ffffffff9a9b3560 CR3: 000000010541a0[ 57.223869] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 57.236138] lkdtm: attempting bad ro_after_init write at ffffffff9933c328 [ 57.243755] BUG: unable to handle page fault for address: ffffffff9933c328 [ 57.251436] #PF: supervisor write access in kernel mode [ 57.257271] #PF: error_code(0x0003) - permissions violation [ 57.263493] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 100054063 PTE 8000000113d3c061 [ 57.272537] Oops: 0003 [#15] SMP PTI [ 57.276526] CPU: 3 PID: 1990 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 57.285077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.291884] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 57.297912] Code: 11 2c 99 e9 62 9f fd ff 48 c7 c7 38 11 2c 99 e8 56 9f fd ff 48 8b 05 0b 35 a4 00 ba 34 12 cd ab 48 c7 c7 e0 10 2c 99 48 31 d0 <48> 89 05 f5 34 a4 00 e9 34 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 57.318888] RSP: 0018:ffffb43f0276fe60 EFLAGS: 00010202 [ 57.324720] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 57.332690] RDX: 00000000abcd1234 RSI: ffff9b1f3ad9bf70 RDI: ffffffff992c10e0 [ 57.340658] RBP: ffffffff992c02d6 R08: 0000000000000000 R09: 0000000000000000 [ 57.348628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 57.356596] R13: ffffb43f0276ff10 R14: ffffb43f0276ff10 R15: ffff9b1ec29b7000 [ 57.364569] FS: 00007f4416796580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 57.373607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.380022] CR2: ffffffff9933c328 CR3: 0000000104e70002 CR4: 00000000003706e0 [ 57.387991] Call Trace: [ 57.390718] direct_entry.cold+0x2c/0x38 [ 57.395099] full_proxy_write+0x56/0x80 [ 57.399381] vfs_write+0xea/0x390 [ 57.403077] ksys_write+0x68/0xe0 [ 57.406774] do_syscall_64+0x33/0x40 [ 57.410756] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.416396] RIP: 0033:0x7f44166bef33 [ 57.420420] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.441403] RSP: 002b:00007ffd7e526c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.449902] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f44166bef33 [ 57.457872] RDX: 0000000000000014 RSI: 00007f44165af000 RDI: 0000000000000001 [ 57.465842] RBP: 00007f44165af000 R08: 00007f44165ae010 R09: 0000000000000000 [ 57.473811] R10: 00007f44167b91c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.481780] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.489750] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 04 CR4: 00000000003706e0 # [ 51.859428] BUG: sleeping functio[ 57.516205] CR2: ffffffff9933c328 [ 57.526115] ---[ end trace 0f2f4ca23f3d3d25 ]--- [ 57.531271] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.535646] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 57.556631] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 57.562464] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.570434] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 57.578420] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 57.586389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.594374] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 57.602343] FS: 00007f4416796580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 57.611422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.617836] CR2: ffffffff9933c328 CR3: 0000000104e70002 CR4: 00000000003706e0 n called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.869340] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat # [ 51.877796] INFO: lockdep is turned off. # [ 51.882173] irq event stamp: 0 # [ 51.885577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.892577] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.901711] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.910844] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.917842] CPU: 2 PID: 1634 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 51.926395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.933198] Call Trace: # [ 51.935924] dump_stack+0x77/0x97 # [ 51.939614] ___might_sleep.cold+0xa6/0xb6 # [ 51.944185] exit_signals+0x1c/0x2d0 # [ 51.948173] do_exit+0xd5/0xb00 # [ 51.951676] ? ksys_write+0x68/0xe0 # [ 51.955567] rewind_stack_do_exit+0x[ 57.723112] lkdtm: Performing direct entry WRITE_KERN 17/0x20 # [ 51.960237] RIP: 0033:0x7f313c0a8f33 # [ 51.964[ 57.730948] lkdtm: attempting bad 6580285 byte write at ffffffff988f8d3d [ 57.744652] BUG: unable to handle page fault for address: ffffffff988f8d3d [ 57.752337] #PF: supervisor write access in kernel mode [ 57.758171] #PF: error_code(0x0003) - permissions violation [ 57.764392] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 1132000e1 225] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 57.771492] Oops: 0003 [#16] SMP PTI [ 57.781695] CPU: 2 PID: 2025 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 57.790248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.797055] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 57.802208] Code: 53 48 c7 c3 3d 8d 8f 98 49 89 dc 48 89 da 49 81 ec 00 25 2b 98 4c 89 e6 e8 09 9f fd ff 48 89 df 4c 89 e1 48 c7 c6 00 25 2b 98 a4 48 c7 c7 e0 10 2c 99 e8 ee 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 57.823193] RSP: 0018:ffffb43f027efe50 EFLAGS: 00010246 [ 57.829018] RAX: 000000000000003c RBX: ffffffff988f8d3d RCX: 000000000064683d [ 57.836987] RDX: 0000000000000000 RSI: ffffffff982b2500 RDI: ffffffff988f8d3d [ 57.844956] RBP: ffffffff992c02ea R08: 0000000000000000 R09: 0000000000000000 [ 57.852926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000064683d [ 57.860895] R13: ffffb43f027eff10 R14: ffffb43f027eff10 R15: ffff9b1ec4cc3000 [ 57.868863] FS: 00007f4c8a513580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 57.877900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.884315] CR2: ffffffff988f8d3d CR3: 0000000103770005 CR4: 00000000003706e0 [ 57.892283] Call Trace: [ 57.895010] direct_entry.cold+0x2c/0x38 [ 57.899388] full_proxy_write+0x56/0x80 [ 57.903669] vfs_write+0xea/0x390 [ 57.907372] ksys_write+0x68/0xe0 [ 57.911070] do_syscall_64+0x33/0x40 [ 57.915049] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.920688] RIP: 0033:0x7f4c8a43bf33 [ 57.924676] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.945661] RSP: 002b:00007ffedcf6b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.954116] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4c8a43bf33 [ 57.962085] RDX: 000000000000000b RSI: 00007f4c8a32c000 RDI: 0000000000000001 [ 57.970055] RBP: 00007f4c8a32c000 R08: 00007f4c8a32b010 R09: 0000000000000000 [ 57.978025] R10: 00007f4c8a5361c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.985994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.993965] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 58.020409] CR2: ffffffff988f8d3d [ 58.030321] ---[ end trace 0f2f4ca23f3d3d26 ]--- [ 58.035476] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.039853] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 [ 58.060828] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 [ 58.066661] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.074630] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 [ 58.082601] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 [ 58.090569] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.098537] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 [ 58.106505] FS: 00007f4c8a513580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 58.115542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.121957] CR2: ffffffff988f8d3d CR3: 0000000103770005 CR4: 00000000003706e0 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 # [ 51.985210] RSP: 002b:00007ffc3b614d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.993666] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f313c0a8f33 # [ 52.001635] RDX: 000000000000000a RSI: 00007f313bf99000 RDI: 0000000000000001 # [ 52.009605] RBP: 00007f313bf99000 R08: 00007f313bf98010 R09: 0000000000000000 # [ 52.017575] R10: 00007f313c1a31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.025544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 52.114779] lkdtm: Performing direct entry EXEC_STACK # [ 52.126227] lkdtm: attempting ok execution at ffffffff982b2500 # [ 52.132766] lkdtm: attempting bad execution at ffffb43f021e7e18 # [ 52.139406] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.147772] BUG: unable to[ 58.227973] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 58.236121] lkdtm: attempting good refcount_inc() without overflow [ 58.243044] lkdtm: attempting bad refcount_inc() overflow [ 58.249087] ------------[ cut here ]------------ [ 58.254251] refcount_t: saturated; leaking memory. [ 58.259632] WARNING: CPU: 3 PID: 2060 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 handle page fault for address: ffffb43f021e7e18 # [ 52.16166[ 58.268971] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.301613] CPU: 3 PID: 2060 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 58.310200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.317011] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 58.322781] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a [ 58.343771] RSP: 0018:ffffb43f0286fe48 EFLAGS: 00010286 [ 58.349638] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 58.357614] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 58.365588] RBP: ffffffff992c02f5 R08: 0000000000000000 R09: 0000000000000000 [ 58.373580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 4] #PF: supervisor instruction fetch in kernel mode # [ 52.16[ 58.381560] R13: ffffb43f0286ff10 R14: ffffb43f0286ff10 R15: ffff9b1ec3334000 7984] #PF: error_code(0x0011) - permissions violation # [ 52.[ 58.395747] FS: 00007f82c7f9c580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 58.411002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 174206] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104bb8067 [ 58.417420] CR2: 00007f82c7db5000 CR3: 00000001029b6002 CR4: 00000000003706e0 [ 58.431607] Call Trace: [ 58.434339] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 PTE 80000001037de063 # [ 52.183251] Oops: 0011 [#6] SMP PTI [ 58.439718] direct_entry.cold+0x2c/0x38 [ 58.450310] full_proxy_write+0x56/0x80 [ 58.454593] vfs_write+0xea/0x390 [ 58.458291] ksys_write+0x68/0xe0 [ 58.461992] do_syscall_64+0x33/0x40 [ 58.465984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.471626] RIP: 0033:0x7f82c7ec4f33 [ 58.475617] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.496603] RSP: 002b:00007ffc18b75e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.505063] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f82c7ec4f33 [ 58.513035] RDX: 0000000000000016 RSI: 00007f82c7db5000 RDI: 0000000000000001 [ 58.520998] RBP: 00007f82c7db5000 R08: 00007f82c7db4010 R09: 0000000000000000 [ 58.528970] R10: 00007f82c7fbf1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.536932] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.544905] irq event stamp: 0 [ 58.548313] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.555317] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.564480] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.573619] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.580618] ---[ end trace 0f2f4ca23f3d3d27 ]--- [ 58.585773] lkdtm: Overflow detected: saturated # [ 52.193356] CPU: 3 PID: 1670 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 52.201910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.208718] RIP: 0010:0xffffb43f021e7e18 # [ 52.213097] Code: 00 00 18 7e 1e 02 3f b4 ff ff 96 8d 8f 98 ff ff ff ff 20 00 00 00 00 00 00 00 66 02 2c 99 ff ff ff ff c2 8e 8f 98 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 52.240295] RSP: 0018:ffffb43f021e7df8 EFLAGS: 00010246 # [ 52.246130] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.254100] RDX: 0000000000000000 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 52.262068] RBP: ffffb43f021e7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 52.270037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.278006] R13: ffffb43f021e7f10 R14: ffffb43f021e7f10 R15: ffff9b1ec4daf000 # [ 52.285976] FS: 00007fca30061580(0000) GS:fff[ 58.682526] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 58.690793] lkdtm: attempting good refcount_add() without overflow f9b1f3ad80000(0000) knlGS:0000000000000000 # [ 52.295015] CS:[ 58.697703] lkdtm: attempting bad refcount_add() overflow 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.301431][ 58.709945] ------------[ cut here ]------------ [ 58.721314] refcount_t: saturated; leaking memory. CR2: ffffb43f021e7e18 CR3: 000000010562c001 CR4: 00000000003706[ 58.726677] WARNING: CPU: 1 PID: 2092 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 e0 # [ 52.309400] Call Trace: # [ 52.312129] ? execute_lo[ 58.742211] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.774850] CPU: 1 PID: 2092 Comm: cat Tainted: G D W 5.10.124-cip9 #1 cation+0x48/0x56 # [ 52.316602] ? lkdtm_EXEC_STACK+0x26/0x40[ 58.783416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.321077] ? direct_entry.cold+0x2c/0x38 # [ 52.3256[ 58.796429] RIP: 0010:refcount_warn_saturate+0x49/0xf0 50] ? full_proxy_write+0x56/0x80 # [ 52.330125] ? vfs_write[ 58.808386] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a [ 58.835585] RSP: 0018:ffffb43f028efe48 EFLAGS: 00010286 [ 58.841422] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 +0xea/0x390 # [ 52.334016] ? ksys_write+0x68/0xe0 # [ 52.[ 58.849407] RDX: ffff9b1f3acac660 RSI: ffff9b1f3ac9bf70 RDI: ffff9b1f3ac9bf70 [ 58.863575] RBP: ffffffff992c030b R08: 0000000000000000 R09: 0000000000000000 337909] ? do_syscall_64+0x33/0x40 # [ 52.342091] ? entry_SY[ 58.871549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 58.885738] R13: ffffb43f028eff10 R14: ffffb43f028eff10 R15: ffff9b1ec2852000 SCALL_64_after_hwframe+0x44/0xa9 # [ 52.347926] Modules linke[ 58.893711] FS: 00007ff558f46580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 [ 58.908967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 58.915389] CR2: 00007ff558d5f000 CR3: 00000001034b0001 CR4: 00000000003706e0 [ 58.929574] Call Trace: rialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub[ 58.932309] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev [ 58.943868] direct_entry.cold+0x2c/0x38 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.374[ 58.954462] full_proxy_write+0x56/0x80 389] CR2: ffffb43f021e7e18 # [ 52.378087] ---[ end trace 0f2f[ 58.964988] vfs_write+0xea/0x390 4ca23f3d3d1c ]--- # [ 52.383241] RIP: 0010:lkdtm_BUG+0x5/0x10[ 58.974901] ksys_write+0x68/0xe0 [ 58.984817] do_syscall_64+0x33/0x40 # [ 52.387618] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 [ 58.988811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc c[ 59.000666] RIP: 0033:0x7ff558e6ef33 c cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f [ 59.010876] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.038074] RSP: 002b:00007ffd2c21d548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.046536] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff558e6ef33 [ 59.054509] RDX: 0000000000000016 RSI: 00007ff558d5f000 RDI: 0000000000000001 [ 59.062484] RBP: 00007ff558d5f000 R08: 00007ff558d5e010 R09: 0000000000000000 [ 59.070457] R10: 00007ff558f691c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.078431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.086407] irq event stamp: 0 44 00 00 83 05 e0 13 70 02 # [ 52.408601] RSP: 0018:ffffb43f0[ 59.089818] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.103033] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 1467e60 EFLAGS: 00010286 # [ 52.414434] RAX: ffffffff982b2130[ 59.112173] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.127520] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.134523] ---[ end trace 0f2f4ca23f3d3d28 ]--- RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.422422] R[ 59.139677] lkdtm: Overflow detected: saturated DX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 52.430390] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 52.438371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.446341] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 52.454310] FS: 00007fca30061580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 52.463371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.469789] CR2: ffffb43f021e7e18 CR3: 000000010562c001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 52.595479] lkdtm: Performing direct entry EXEC_KMALLOC # [ 52.601712] lkdtm: attempting ok execution at ffffffff982b2500 # [ 52.608231] lkdtm: attempting bad execution at ffff9b1ec4e433c0 # [ 5[ 59.233527] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 59.245637] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 59.252543] ------------[ cut here ]------------ [ 59.257719] refcount_t: saturated; leaking memory. [ 59.263081] WARNING: CPU: 2 PID: 2124 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 59.272446] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2.614900] kernel tried to execute NX-protected page - exploit at[ 59.298901] CPU: 2 PID: 2124 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 59.313668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.320500] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 59.326239] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b [ 59.347223] RSP: 0018:ffffb43f0298fe38 EFLAGS: 00010282 [ 59.353059] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 59.361031] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 59.369003] RBP: ffffffff992bff48 R08: 0000000000000000 R09: 0000000000000000 [ 59.376977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 59.384948] R13: ffffb43f0298ff10 R14: ffffb43f0298ff10 R15: ffff9b1ec3575000 tempt? (uid: 0) # [ 52.623265] BUG: unable to handle page fau[ 59.392922] FS: 00007faecfc65580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 59.408176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lt for address: ffff9b1ec4e433c0 # [ 52.637159] #PF: supervis[ 59.414592] CR2: 00007faecfa7e000 CR3: 00000001032d0005 CR4: 00000000003706e0 [ 59.428778] Call Trace: [ 59.431510] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 59.437664] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 59.443889] direct_entry.cold+0x2c/0x38 [ 59.448269] full_proxy_write+0x56/0x80 [ 59.452553] vfs_write+0xea/0x390 [ 59.456251] ksys_write+0x68/0xe0 [ 59.459972] do_syscall_64+0x33/0x40 or instruction fetch in kernel mode # [ 52.643477] #PF: error[ 59.463976] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.475826] RIP: 0033:0x7faecfb8df33 [ 59.479818] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.500804] RSP: 002b:00007ffd9702f8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.509263] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007faecfb8df33 [ 59.517234] RDX: 000000000000001f RSI: 00007faecfa7e000 RDI: 0000000000000001 [ 59.525203] RBP: 00007faecfa7e000 R08: 00007faecfa7d010 R09: 0000000000000000 [ 59.533173] R10: 00007faecfc881c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.541136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.549110] irq event stamp: 0 [ 59.552516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.559510] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.568649] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.577787] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.584787] ---[ end trace 0f2f4ca23f3d3d29 ]--- [ 59.589933] lkdtm: Overflow detected: saturated _code(0x0011) - permissions violation # [ 52.649700] PGD 115401067 P4D 115401067 PUD 10004e063 PMD 105490063 PTE 8000000104e43163 # [ 52.658741] Oops: 0011 [#7] SMP PTI # [ 52.662632] CPU: 2 PID: 1706 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 52.671184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.677991] RIP: 0010:0xffff9b1ec4e433c0 # [ 52.682372] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 af 97 ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 52.703373] RSP: 0018:ffffb43f02327e38 EFLAGS: 00010246 # [ 52.709206] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.717175] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 52.725144] RBP: ffff9b1ec4e433c0 R08: 0000000000000000 R0[ 59.680413] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 59.689623] lkdtm: attempting bad refcount_add_not_zero() overflow [ 59.696528] ------------[ cut here ]------------ 9: 0000000000000000 # [ 52.733112] R10: 00000000ffffe000 R11:[ 59.701689] refcount_t: saturated; leaking memory. 3fffffffffffffff R12: 000000000000000d # [ 52.741081] R13: f[ 59.713265] WARNING: CPU: 2 PID: 2156 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 59.728802] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffb43f02327f10 R14: ffffb43f02327f10 R15: ffff9b1ec34ab000 # [[ 59.755259] CPU: 2 PID: 2156 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 59.770027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 52.749053] FS: 00007fec6a504580(0000) GS:ffff9b1f3ad00000(00[ 59.776863] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 59.788807] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b [ 59.809792] RSP: 0018:ffffb43f02a0fe38 EFLAGS: 00010282 [ 59.815627] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 59.823597] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 59.831569] RBP: ffffffff992bff68 R08: 0000000000000000 R09: 0000000000000000 [ 59.839541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 59.847512] R13: ffffb43f02a0ff10 R14: ffffb43f02a0ff10 R15: ffff9b1ec4f79000 [ 59.855483] FS: 00007fa1882d9580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 59.864523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.870942] CR2: 00007fa1880f2000 CR3: 00000001027ec005 CR4: 00000000003706e0 [ 59.878904] Call Trace: [ 59.881636] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 59.887796] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 59.894019] direct_entry.cold+0x2c/0x38 [ 59.898413] full_proxy_write+0x56/0x80 [ 59.902727] vfs_write+0xea/0x390 [ 59.906425] ksys_write+0x68/0xe0 [ 59.910125] do_syscall_64+0x33/0x40 [ 59.914116] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.919759] RIP: 0033:0x7fa188201f33 [ 59.923749] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.944735] RSP: 002b:00007ffd240c60b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.953193] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa188201f33 [ 59.961163] RDX: 000000000000001f RSI: 00007fa1880f2000 RDI: 0000000000000001 [ 59.969126] RBP: 00007fa1880f2000 R08: 00007fa1880f1010 R09: 0000000000000000 [ 59.977098] R10: 00007fa1882fc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.985072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00) knlGS:0000000000000000 # [ 52.758090] CS: 0010 DS: 0000 [ 59.993048] irq event stamp: 0 [ 60.002665] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ES: 0000 CR0: 0000000080050033 # [ 52.764504] CR2: ffff9b1ec4[ 60.009668] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.025018] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.034157] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.041157] ---[ end trace 0f2f4ca23f3d3d2a ]--- [ 60.046304] lkdtm: Overflow detected: saturated e433c0 CR3: 0000000103e1e001 CR4: 00000000003706e0 # [ 52.772473] Call Trace: # [ 52.775203] ? execute_location+0x48/0x56 # [ 52.779678] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 52.784363] ? direct_entry.cold+0x2c/0x38 # [ 52.788944] ? full_proxy_write+0x56/0x80 # [ 52.799632] ? vfs_write+0xea/0x390 # [ 52.803521] ? ksys_write+0x68/0xe0 # [ 52.807427] ? do_syscall_64+0x33/0x40 # [ 52.811608] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 52.817443] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.843903] CR2: ffff9b1ec4e433c0 # [ 52.853814] ---[ end trace 0f2f4ca23f3d3d1d ][ 60.130116] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO --- # [ 52.858966] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.863[ 60.138497] lkdtm: attempting good refcount_dec() 343] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff[ 60.149969] lkdtm: attempting bad refcount_dec() to zero ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f [ 60.162118] ------------[ cut here ]------------ 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 60.173488] refcount_t: decrement hit 0; leaking memory. e0 13 70 02 # [ 52.884372] RSP: 0018:ffffb43f01467e60 EFLAGS[ 60.185667] WARNING: CPU: 1 PID: 2188 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 : 00010286 # [ 52.890206] RAX: ffffffff982b2130 RBX: 00000000[ 60.201187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000001 RCX: 0000000000000000 # [ 52.898175] RDX: 0000000000[ 60.233824] CPU: 1 PID: 2188 Comm: cat Tainted: G D W 5.10.124-cip9 #1 000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 52.906[ 60.248591] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 143] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000[ 60.261616] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 000001 # [ 52.914113] R10: 00000000ffffe000 R11: 3fffffffffff[ 60.273570] Code: ff 48 c7 c7 10 be 25 99 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 25 99 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 ffff R12: 0000000000000004 # [ 52.922082] R13: ffffb43f01467f[ 60.300768] RSP: 0018:ffffb43f02a5fe48 EFLAGS: 00010286 10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 52.930051][ 60.312821] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 60.327011] RDX: ffff9b1f3acac660 RSI: ffff9b1f3ac9bf70 RDI: ffff9b1f3ac9bf70 [ 60.334985] RBP: ffffffff992c0321 R08: 0000000000000000 R09: 0000000000000000 FS: 00007fec6a504580(0000) GS:ffff9b1f3ad00000(0000) knlGS:000[ 60.342960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 60.357146] R13: ffffb43f02a5ff10 R14: ffffb43f02a5ff10 R15: ffff9b1ec2678000 0000000000000 # [ 52.939089] CS: 0010 DS: 0000 ES: 0000 CR0:[ 60.365118] FS: 00007f83a956e580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 0000000080050033 # [ 52.945504] CR2: ffff9b1ec4e433c0 CR3: 0[ 60.380383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000103e1e001 CR4: 00000000003706e0 [ 60.393015] CR2: 00007f83a9387000 CR3: 0000000104fae004 CR4: 00000000003706e0 [ 60.404772] Call Trace: # [ 52.953474] BUG: sleeping function called from invalid cont[ 60.407505] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 ext at include/linux/percpu-rwsem.h:49 # [ 52.963386] in_atom[ 60.418676] direct_entry.cold+0x2c/0x38 ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1706, name: cat[ 60.429271] full_proxy_write+0x56/0x80 # [ 52.971840] INFO: lockdep is turned off. # [ 52.976216][ 60.439767] vfs_write+0xea/0x390 irq event stamp: 0 # [ 52.979621] hardirqs last enabled at [ 60.449679] ksys_write+0x68/0xe0 (0): [<0000000000000000>] 0x0 # [ 52.986622] hardirqs last di[ 60.459595] do_syscall_64+0x33/0x40 sabled at (0): [] copy_process+0x63c/0x1c80 #[ 60.469800] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.995758] softirqs last enabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c>] copy_process+0x63c/0x1c80 # [ 53.004894] softirqs last di[ 60.512846] RSP: 002b:00007ffebb5359d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.527510] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f83a9496f33 sabled at (0): [<0000000000000000>] 0x0 # [ 53.011893] CPU: 2[ 60.535483] RDX: 0000000000000012 RSI: 00007f83a9387000 RDI: 0000000000000001 [ 60.549666] RBP: 00007f83a9387000 R08: 00007f83a9386010 R09: 0000000000000000 PID: 1706 Comm: cat Tainted: G D W 5.10.124-cip9 #[ 60.557640] R10: 00007f83a95911c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.571821] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1 # [ 53.020445] Hardware name: Google Rammus/Rammus, BIOS 0[ 60.579799] irq event stamp: 0 [ 60.589413] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9/04/2020 # [ 53.027249] Call Trace: # [ 53.029977] dump_[ 60.596418] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 stack+0x77/0x97 # [ 53.033676] ___might_sleep.cold+0xa6/0xb6[ 60.611764] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.038248] exit_signals+0x1c/0x2d0 # [ 53.042237] d[ 60.627120] softirqs last disabled at (0): [<0000000000000000>] 0x0 o_exit+0xd5/0xb00 # [ 53.045730] ? ksys_write+0x68/0xe0 # [[ 60.640332] ---[ end trace 0f2f4ca23f3d3d2b ]--- 53.049622] rewind_stack_do_exit+0x17/0x20 # [ 53.054290] [ 60.651702] lkdtm: Zero detected: saturated RIP: 0033:0x7fec6a42cf33 # [ 53.058278] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.079264] RSP: 002b:00007ffc2f236968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.087722] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fec6a42cf33 # [ 53.095692] RDX: 000000000000000d RSI: 00007fec6a31d000 RDI: 0000000000000001 # [ 53.103662] RBP: 00007fec6a31d000 R08: 00007fec6a31c010 R09: 0000000000000000 # [ 53.111631] R10: 00007fec6a5271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.119600] 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 # [ 53.207388] lkdtm: Performing direct entry EXEC_VMALLOC # [ 53.214259] lkdtm: attempting ok execution at ffffffff982b2500 # [ 53.226991] lkdtm: attempting bad execution at ffffb43f006e9000 # [ 53.239844] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.254379] BUG: unable to handle page fault for address: ffffb43f006e9000 # [ 53.262059] #PF: supervis[ 60.782442] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE or instruction fetch in kernel mode # [ 53.268377] #PF: error[ 60.793647] lkdtm: attempting bad refcount_dec() below zero _code(0x0011) - permissions violation # [ 53.274599] PGD 1000[ 60.806091] ------------[ cut here ]------------ 00067 P4D 100000067 PUD 10020b067 PMD 1055db067 PTE 800000010568[ 60.817469] refcount_t: decrement hit 0; leaking memory. 4063 # [ 53.283646] Oops: 0011 [#8] SMP PTI # [ 53.287537][ 60.829639] WARNING: CPU: 0 PID: 2223 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 CPU: 0 PID: 1742 Comm: cat Tainted: G D W 5.10.124[ 60.845166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify -cip9 #1 # [ 53.296089] Hardware name: Google Rammus/Rammus, [ 60.877831] CPU: 0 PID: 2223 Comm: cat Tainted: G D W 5.10.124-cip9 #1 BIOS 09/04/2020 # [ 53.302895] RIP: 0010:0xffffb43f006e9000[ 60.892620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.307271] Code: Unable to access opcode bytes at RIP 0xf[ 60.905688] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 fffb43f006e8fd6. # [ 53.314948] RSP: 0018:ffffb43f0220fe38 EF[ 60.917622] Code: ff 48 c7 c7 10 be 25 99 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 25 99 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 LAGS: 00010246 # [ 53.320780] RAX: 0000000000000033 RBX: 0000[ 60.944864] RSP: 0018:ffffb43f02affe48 EFLAGS: 00010286 000000000001 RCX: 0000000000000000 # [ 53.328749] RDX: 000000[ 60.956920] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 0000000000 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 53[ 60.971101] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 .336720] RBP: ffffb43f006e9000 R08: 0000000000000000 R09: 000000[ 60.985284] RBP: ffffffff992c0333 R08: 0000000000000000 R09: 0000000000000000 0000000000 # [ 53.344690] R10: 00000000ffffe000 R11: 3fffffff[ 60.999478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffffffff R12: 000000000000000d # [ 53.352658] R13: ffffb43f02[ 61.013673] R13: ffffb43f02afff10 R14: ffffb43f02afff10 R15: ffff9b1ec29ba000 20ff10 R14: ffffb43f0220ff10 R15: ffff9b1ec5684000 # [ 53.360[ 61.027848] FS: 00007f0182654580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 630] FS: 00007f166852c580(0000) GS:ffff9b1f3ac00000(0000) knlGS[ 61.043130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 :0000000000000000 # [ 53.369667] CS: 0010 DS: 0000 ES: 0000 [ 61.055761] CR2: 00007f018246d000 CR3: 0000000104c42005 CR4: 00000000003706f0 CR0: 0000000080050033 # [ 53.376082] CR2: ffffb43f006e8fd6 CR[ 61.069957] Call Trace: 3: 00000001029c8004 CR4: 00000000003706f0 # [ 53.384052] Call[ 61.078908] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d Trace: # [ 53.386781] ? execute_location+0x48/0x56 # [ 5[ 61.090457] direct_entry.cold+0x2c/0x38 3.391261] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 53.395920] ? d[ 61.101085] full_proxy_write+0x56/0x80 irect_entry.cold+0x2c/0x38 # [ 53.400493] ? full_proxy_write[ 61.111548] vfs_write+0xea/0x390 +0x56/0x80 # [ 53.404966] ? vfs_write+0xea/0x390 # [ 53.4[ 61.121464] ksys_write+0x68/0xe0 08857] ? ksys_write+0x68/0xe0 # [ 53.412750] ? do_syscall_6[ 61.131380] do_syscall_64+0x33/0x40 4+0x33/0x40 # [ 53.416933] ? entry_SYSCALL_64_after_hwframe+[ 61.141609] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0x44/0xa9 # [ 53.422769] Modules linked in: fuse ip_tables cr[ 61.153454] RIP: 0033:0x7f018257cf33 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 61.163646] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_[ 61.190871] RSP: 002b:00007ffc24fbc328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cr[ 61.205561] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f018257cf33 os_ec_dev cros_usbpd_notify # [ 53.449201] CR2: ffffb43f006e9[ 61.219714] RDX: 0000000000000016 RSI: 00007f018246d000 RDI: 0000000000000001 000 # [ 53.452899] ---[ end trace 0f2f4ca23f3d3d1e ]--- # [ [ 61.233942] RBP: 00007f018246d000 R08: 00007f018246c010 R09: 0000000000000000 53.458053] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.462429] Code[ 61.248128] R10: 00007f01826771c0 R11: 0000000000000246 R12: 0000000000000001 : 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48[ 61.262315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 [ 61.276505] irq event stamp: 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70[ 61.286133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 02 # [ 53.483422] RSP: 0018:ffffb43f01467e60 EFLAGS: 0001028[ 61.299314] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 6 # [ 53.489255] RAX: ffffffff982b2130 RBX: 0000000000000001 [ 61.314695] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 RCX: 0000000000000000 # [ 53.497225] RDX: 0000000000000000 RS[ 61.330091] softirqs last disabled at (0): [<0000000000000000>] 0x0 I: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 53.505193] RBP:[ 61.343327] ---[ end trace 0f2f4ca23f3d3d2c ]--- ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 #[ 61.354707] lkdtm: Negative detected: saturated [ 53.513165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.521134] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 53.529103] FS: 00007f166852c580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 53.538141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.544557] CR2: ffffb43f006e8fd6 CR3: 00000001029c8004 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 53.728800] lkdtm: Performing direct entry EXEC_RODATA # [ 53.738524] lkdtm: attempting ok execution at ffffffff982b2500 # [ 53.745075] lkdtm: attempting bad execution at ffffffff98ed9f00 # [ 53.751698] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.760063] BUG: unable to handle page fault for address: ffffffff98ed9f00 # [ 53.767745] #PF: supervisor instruction fetch in kernel mode # [ 53.774064] #PF: error_code(0x0011) - permissions violation # [ 53.780286] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 80000001138000e1 # [ 53.788064] Oops: 0011 [#9] SMP PTI # [ 53.791954] CPU: 2 PID: 1778 Comm: cat Tainte[ 61.480337] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 61.491747] lkdtm: attempting bad refcount_dec_and_test() below zero [ 61.498858] ------------[ cut here ]------------ d: G D W 5.10.124-cip9 #1 # [ 53.800508] Hardwar[ 61.504022] refcount_t: underflow; use-after-free. e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.807316][ 61.515603] WARNING: CPU: 2 PID: 2258 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 53.813052] Co[ 61.531142] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.563784] CPU: 2 PID: 2258 Comm: cat Tainted: G D W 5.10.124-cip9 #1 de: ff ff c2 a2 8f 98 ff ff ff ff b2 04 2c 99 ff ff ff ff 78 8a [ 61.572381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.585418] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 61.591175] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 [ 61.612162] RSP: 0018:ffffb43f02b67e40 EFLAGS: 00010286 [ 61.617997] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 61.625969] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 61.633931] RBP: ffffffff992bff88 R08: 0000000000000000 R09: 0000000000000000 [ 61.641903] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.649875] R13: ffffb43f02b67f10 R14: ffffb43f02b67f10 R15: ffff9b1ec4df9000 [ 61.657847] FS: 00007fd07f6e3580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 61.666888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.673307] CR2: 00007fd07f4fc000 CR3: 00000001035d2005 CR4: 00000000003706e0 [ 61.681278] Call Trace: [ 61.684001] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 61.690131] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 8f 98 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 0[ 61.696376] direct_entry.cold+0x2c/0x38 [ 61.706974] full_proxy_write+0x56/0x80 [ 61.711256] vfs_write+0xea/0x390 [ 61.714955] ksys_write+0x68/0xe0 [ 61.718655] do_syscall_64+0x33/0x40 [ 61.722646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.728289] RIP: 0033:0x7fd07f60bf33 [ 61.732281] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.753268] RSP: 002b:00007fffca247808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.761726] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd07f60bf33 [ 61.769696] RDX: 000000000000001f RSI: 00007fd07f4fc000 RDI: 0000000000000001 [ 61.777669] RBP: 00007fd07f4fc000 R08: 00007fd07f4fb010 R09: 0000000000000000 [ 61.785641] R10: 00007fd07f7061c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.793614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 [ 61.801590] irq event stamp: 0 [ 61.811214] hardirqs last enabled at (0): [<0000000000000000>] 0x0 20 69 # [ 53.834037] RSP: 0018:ffffb43f023d7e48 EFLAGS: 00010[ 61.818217] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.833567] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.842704] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.849706] ---[ end trace 0f2f4ca23f3d3d2d ]--- [ 61.854861] lkdtm: Negative detected: saturated 246 # [ 53.839869] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 53.847840] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 53.855810] RBP: ffffffff98ed9f00 R08: 0000000000000000 R09: 0000000000000000 # [ 53.863778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 53.871747] R13: ffffb43f023d7f10 R14: ffffb43f023d7f10 R15: ffff9b1ec325c000 # [ 53.879717] FS: 00007fbcbbc63580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 53.888754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.895169] CR2: ffffffff98ed9f00 CR3: 0000000103598004 CR4: 00000000003706e0 # [ 53.903138] Call Trace: # [ 53.905865] ? execute_location+0x48/0x56 # [ 53.910340] ? direct_entry.cold+0x2c/0x38 # [ 53.914913] ? full_proxy_write+0x56/0x80 # [ 53.919387] ? vfs_write+0xea/0x390 # [ 53.923276] ? ksys_write+0x68/0xe0 # [ 53.927169] ? do_syscall_64+0x33/0x40 # [ 53.931343] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.937177] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cr[ 61.975981] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 61.985638] lkdtm: attempting bad refcount_sub_and_test() below zero [ 61.992750] ------------[ cut here ]------------ [ 61.997917] refcount_t: underflow; use-after-free. [ 62.003289] WARNING: CPU: 2 PID: 2293 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 62.012629] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.039103] CPU: 2 PID: 2293 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 62.047683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.054491] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 62.060232] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 os_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal[ 62.081225] RSP: 0018:ffffb43f02bf7e40 EFLAGS: 00010286 cros_ec_dev cros_usbpd_notify # [ 53.963634] CR2: ffffffff98[ 62.093275] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 62.107467] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 62.115471] RBP: ffffffff992bffa8 R08: 0000000000000000 R09: 0000000000000000 [ 62.123443] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.131421] R13: ffffb43f02bf7f10 R14: ffffb43f02bf7f10 R15: ffff9b1ec5683000 [ 62.139412] FS: 00007fdf25e0a580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 62.148488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.154929] CR2: 00007fdf25c23000 CR3: 00000001031be001 CR4: 00000000003706e0 [ 62.162901] Call Trace: [ 62.165633] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 62.171795] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 62.178022] direct_entry.cold+0x2c/0x38 [ 62.182417] full_proxy_write+0x56/0x80 [ 62.186734] vfs_write+0xea/0x390 [ 62.190459] ksys_write+0x68/0xe0 [ 62.194162] do_syscall_64+0x33/0x40 [ 62.198179] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.203823] RIP: 0033:0x7fdf25d32f33 [ 62.207816] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.228801] RSP: 002b:00007ffc4a446ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.237261] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdf25d32f33 [ 62.245232] RDX: 000000000000001f RSI: 00007fdf25c23000 RDI: 0000000000000001 [ 62.253203] RBP: 00007fdf25c23000 R08: 00007fdf25c22010 R09: 0000000000000000 [ 62.261176] R10: 00007fdf25e2d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.269148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.277125] irq event stamp: 0 [ 62.280563] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.287567] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 62.296707] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.305844] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.312845] ---[ end trace 0f2f4ca23f3d3d2e ]--- [ 62.318001] lkdtm: Negative detected: saturated ed9f00 # [ 53.973546] ---[ end trace 0f2f4ca23f3d3d1f ]--- # [ 53.978700] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.983068] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 54.004052] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 54.009884] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.017854] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 54.025823] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.033791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.041761] R13: ffffb43f01467f10 R14[ 62.395432] lkdtm: Performing direct entry REFCOUNT_INC_ZERO : ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 54.049731] FS: [ 62.404013] lkdtm: attempting safe refcount_inc_not_zero() from zero 00007fbcbbc63580(0000) GS:ffff9b1f3ad00000(0000) knlGS:000000000[ 62.417343] lkdtm: Good: zero detected 0000000 # [ 54.058768] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 62.427740] lkdtm: Correctly stayed at zero 00080050033 # [ 54.065184] CR2: ffffffff98ed9f00 CR3: 0000000[ 62.438659] lkdtm: attempting bad refcount_inc() from zero 103598004 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:[ 62.450976] ------------[ cut here ]------------ ': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdt[ 62.462386] refcount_t: addition on 0; use-after-free. m: EXEC_USERSPACE.sh # Killed # [ 54.182514] lkdtm: Performi[ 62.474340] WARNING: CPU: 0 PID: 2325 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 ng direct entry EXEC_USERSPACE # [ 54.191111] lkdtm: attempti[ 62.489890] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ng ok execution at ffffffff982b2500 # [ 54.203852] lkdtm: att[ 62.522542] CPU: 0 PID: 2325 Comm: cat Tainted: G D W 5.10.124-cip9 #1 empting bad execution at 00007fd2bf720000 # [ 54.216705] unab[ 62.537319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 le to execute userspace code (SMEP?) (uid: 0) # [ 54.229291] [ 62.550358] RIP: 0010:refcount_warn_saturate+0x68/0xf0 BUG: unable to handle page fault for address: 00007fd2bf720000 [ 62.562303] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d # [ 54.236970] #PF: supervisor instruction fetch in kernel mod[ 62.589514] RSP: 0018:ffffb43f02c87e48 EFLAGS: 00010286 e # [ 54.243288] #PF: error_code(0x0011) - permissions violat[ 62.601573] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ion # [ 54.249510] PGD 800000010335a067 P4D 800000010335a067 [ 62.615837] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 PUD 102704067 PMD 10126a067 PTE 11859b067 # [ 54.259237] Oops[ 62.629947] RBP: ffffffff992c0349 R08: 0000000000000000 R09: 0000000000000000 : 0011 [#10] SMP PTI # [ 54.263217] CPU: 0 PID: 1814 Comm: ca[ 62.644150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 t Tainted: G D W 5.10.124-cip9 #1 # [ 54.271770][ 62.658344] R13: ffffb43f02c87f10 R14: ffffb43f02c87f10 R15: ffff9b1ec3163000 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54[ 62.672543] FS: 00007fb859dea580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 .278576] RIP: 0010:0x7fd2bf720000 # [ 54.282563] Code: Unable[ 62.687802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 to access opcode bytes at RIP 0x7fd2bf71ffd6. # [ 54.289851][ 62.700432] CR2: 00007fb859c03000 CR3: 0000000105c6e004 CR4: 00000000003706f0 RSP: 0018:ffffb43f02487e50 EFLAGS: 00010246 # [ 54.295685] R[ 62.714629] Call Trace: AX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000[ 62.723582] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 54.303656] RDX: 0000000000000000 RSI: ffff9b1f3ac1bf70 R[ 62.734772] direct_entry.cold+0x2c/0x38 DI: ffff9b1f3ac1bf70 # [ 54.311626] RBP: 00007fd2bf720000 R08[ 62.745370] full_proxy_write+0x56/0x80 : 0000000000000000 R09: 0000000000000000 # [ 54.319594] R10: [ 62.755867] vfs_write+0xea/0x390 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 62.765774] ksys_write+0x68/0xe0 [ 54.327563] R13: ffffb43f02487f10 R14: ffffb43f02487f10 R15: [ 62.775696] do_syscall_64+0x33/0x40 ffff9b1ec5c2b000 # [ 54.335533] FS: 00007fd2bf6f1580(0000) G[ 62.785893] entry_SYSCALL_64_after_hwframe+0x44/0xa9 S:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 54.344570[ 62.797749] RIP: 0033:0x7fb859d12f33 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.35[ 62.807964] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0985] CR2: 00007fd2bf720000 CR3: 0000000104f50002 CR4: 000000000[ 62.835163] RSP: 002b:00007ffec2229408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 03706f0 # [ 54.358954] Call Trace: # [ 54.361684] ? lkdtm[ 62.849847] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb859d12f33 _EXEC_USERSPACE.cold+0x69/0xae # [ 54.367030] ? direct_entry[ 62.864031] RDX: 0000000000000012 RSI: 00007fb859c03000 RDI: 0000000000000001 .cold+0x2c/0x38 # [ 54.371603] ? full_proxy_write+0x56/0x80[ 62.878225] RBP: 00007fb859c03000 R08: 00007fb859c02010 R09: 0000000000000000 # [ 54.376078] ? vfs_write+0xea/0x390 # [ 54.379961] ? k[ 62.892432] R10: 00007fb859e0d1c0 R11: 0000000000000246 R12: 0000000000000001 sys_write+0x68/0xe0 # [ 54.383853] ? do_syscall_64+0x33/0x40[ 62.906605] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.388027] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.920794] irq event stamp: 0 # [ 54.393863] Modules linked in: fuse ip_tables cros_ec_senso[ 62.930423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf [ 62.943658] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cr[ 62.958995] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 os_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev c[ 62.974388] softirqs last disabled at (0): [<0000000000000000>] 0x0 ros_usbpd_notify # [ 54.420304] CR2: 00007fd2bf720000 # [ [ 62.987586] ---[ end trace 0f2f4ca23f3d3d2f ]--- 54.423992] ---[ end trace 0f2f4ca23f3d3d20 ]--- # [ 54.429147[ 62.998971] lkdtm: Zero detected: saturated ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.433522] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 54.454507] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 54.460341] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.468312] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 54.476281] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.484251] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.492222] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 54.500192] FS: 00007fd2bf6f1580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 54.509230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.515646] CR2: 00007fd2bf720000 CR3: 0000000104f50002 CR4: 00000000003706f0 # [ 54.523616] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.533528] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1814, name: cat # [ 54.541984] INFO: lockdep is turned off. # [ 54.546375] irq event stamp: 0 # [ 54.549780] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.556779] hardirqs last disabled at (0): [] copy_proc[ 63.144843] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ess+0x63c/0x1c80 # [ 54.565908] softirqs last enabled at (0)[ 63.152933] lkdtm: attempting safe refcount_add_not_zero() from zero : [] copy_process+0x63c/0x1c80 # [ 54.57504[ 63.166251] lkdtm: Good: zero detected 5] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 63.176642] lkdtm: Correctly stayed at zero 54.582046] CPU: 0 PID: 1814 Comm: cat Tainted: G D W [ 63.187514] lkdtm: attempting bad refcount_add() from zero 5.10.124-cip9 #1 # [ 54.590598] Hardware name: Google Ram[ 63.199860] ------------[ cut here ]------------ mus/Rammus, BIOS 09/04/2020 # [ 54.597401] Call Trace: # [ [ 63.211276] refcount_t: addition on 0; use-after-free. 54.600129] dump_stack+0x77/0x97 # [ 54.603832] ___might_s[ 63.223244] WARNING: CPU: 0 PID: 2357 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 leep.cold+0xa6/0xb6 # [ 54.608395] exit_signals+0x1c/0x2d0 [ 63.238776] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.612385] do_exit+0xd5/0xb00 # [ 54.615889] ? ksys_w[ 63.271396] CPU: 0 PID: 2357 Comm: cat Tainted: G D W 5.10.124-cip9 #1 rite+0x68/0xe0 # [ 54.619772] rewind_stack_do_exit+0x17/0x20[ 63.286147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.624430] RIP: 0033:0x7fd2bf619f33 # [ 54.628419] Co[ 63.299173] RIP: 0010:refcount_warn_saturate+0x68/0xf0 de: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 63.311190] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 63.338398] RSP: 0018:ffffb43f02d07e48 EFLAGS: 00010286 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 63.350429] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 24 18 # [ 54.649403] RSP: 002b:00007fffe1fa4a38 EFLAGS: 00000[ 63.364619] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 246 ORIG_RAX: 0000000000000001 # [ 54.657858] RAX: ffffffffff[ 63.378848] RBP: ffffffff992c035b R08: 0000000000000000 R09: 0000000000000000 ffffda RBX: 000000000000000f RCX: 00007fd2bf619f33 # [ 54.665[ 63.393024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 829] RDX: 000000000000000f RSI: 00007fd2bf50a000 RDI: 0000000000[ 63.407254] R13: ffffb43f02d07f10 R14: ffffb43f02d07f10 R15: ffff9b1ec4b85000 000001 # [ 54.673800] RBP: 00007fd2bf50a000 R08: 00007fd2bf50[ 63.421430] FS: 00007f0fbb7e5580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 9010 R09: 0000000000000000 # [ 54.681769] R10: 00007fd2bf7141[ 63.436712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.689739][ 63.449388] CR2: 00007f0fbb5fe000 CR3: 0000000105412003 CR4: 00000000003706f0 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 63.463542] Call Trace: 00 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lk[ 63.472519] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd dtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Kill[ 63.483678] direct_entry.cold+0x2c/0x38 ed # [ 54.786056] lkdtm: Performing direct entry EXEC_NULL #[ 63.494309] full_proxy_write+0x56/0x80 [ 54.796494] lkdtm: attempting ok execution at ffffffff982b25[ 63.504778] vfs_write+0xea/0x390 00 # [ 54.803017] lkdtm: attempting bad execution at 00000000[ 63.514705] ksys_write+0x68/0xe0 00000000 # [ 54.809634] BUG: kernel NULL pointer dereference,[ 63.524606] do_syscall_64+0x33/0x40 address: 0000000000000000 # [ 54.817416] #PF: supervisor ins[ 63.534836] entry_SYSCALL_64_after_hwframe+0x44/0xa9 truction fetch in kernel mode # [ 54.823737] #PF: error_code([ 63.546680] RIP: 0033:0x7f0fbb70df33 0x0010) - not-present page # [ 54.829474] PGD 0 P4D 0 # [ [ 63.556910] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 54.832300] Oops: 0010 [#11] SMP PTI # [ 54.836281] CPU: 3 PI[ 63.584097] RSP: 002b:00007fffdfd0b1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 D: 1850 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 63.598789] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0fbb70df33 # [ 54.844835] Hardware name: Google Rammus/Rammus, BIOS 09/0[ 63.612968] RDX: 0000000000000012 RSI: 00007f0fbb5fe000 RDI: 0000000000000001 4/2020 # [ 54.851640] RIP: 0010:0x0 # [ 54.854563] Code: U[ 63.627179] RBP: 00007f0fbb5fe000 R08: 00007f0fbb5fd010 R09: 0000000000000000 nable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 5[ 63.641362] R10: 00007f0fbb8081c0 R11: 0000000000000246 R12: 0000000000000001 4.862243] RSP: 0018:ffffb43f0251fe48 EFLAGS: 00010246 # [ 54.[ 63.655572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 868067] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000[ 63.669748] irq event stamp: 0 000000000 # [ 54.876038] RDX: 0000000000000000 RSI: ffff9b1f3[ 63.679385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 54.884008] RBP: 00000000000[ 63.692591] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 00000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.8919[ 63.707969] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 77] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 63.723309] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000a # [ 54.899947] R13: ffffb43f0251ff10 R14: ffffb43f0251f[ 63.736547] ---[ end trace 0f2f4ca23f3d3d30 ]--- f10 R15: ffff9b1ec5685000 # [ 54.907916] FS: 00007ff3a23fd58[ 63.747906] lkdtm: Zero detected: saturated 0(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 54.916954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.923371] CR2: ffffffffffffffd6 CR3: 0000000104fc2006 CR4: 00000000003706e0 # [ 54.931341] Call Trace: # [ 54.934070] execute_location+0x48/0x56 # [ 54.938370] direct_entry.cold+0x2c/0x38 # [ 54.942751] full_proxy_write+0x56/0x80 # [ 54.947032] vfs_write+0xea/0x390 # [ 54.950728] ksys_write+0x68/0xe0 # [ 54.954427] do_syscall_64+0x33/0x40 # [ 54.958423] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.964061] RIP: 0033:0x7ff3a2325f33 # [ 54.968049] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.989024] RSP: 002b:00007fffb41ebfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.997481] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff3a2325f33 # [ 55.005449] RDX: 000000000000000a RSI: 00007ff3a2216000 RDI: 0000000000000001 # [ 55[ 63.862674] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED .013419] RBP: 00007ff3a2216000 R08: 00007ff3a2215010 R09: 000000[ 63.871270] lkdtm: attempting bad refcount_inc() from saturated 0000000000 # [ 55.021387] R10: 00007ff3a24201c0 R11: 00000000[ 63.884110] ------------[ cut here ]------------ 00000246 R12: 0000000000000001 # [ 55.029372] R13: 0000000000[ 63.895475] refcount_t: saturated; leaking memory. 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.037[ 63.907072] WARNING: CPU: 0 PID: 2392 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_s[ 63.922607] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ensors_core industrialio_triggered_buffer kfifo_buf industrialio[ 63.955273] CPU: 0 PID: 2392 Comm: cat Tainted: G D W 5.10.124-cip9 #1 cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugf[ 63.970053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_no[ 63.983081] RIP: 0010:refcount_warn_saturate+0x49/0xf0 tify # [ 55.063805] CR2: 0000000000000000 # [ 55.073716] -[ 63.995033] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a --[ end trace 0f2f4ca23f3d3d21 ]--- # [ 55.078862] RIP: 0010:[ 64.022245] RSP: 0018:ffffb43f02d77e48 EFLAGS: 00010286 lkdtm_BUG+0x5/0x10 # [ 55.083238] Code: 55 a5 ff 48 c7 c0 ea [ 64.034330] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d[ 64.048613] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 [ 64.062737] RBP: ffffffff992c036d R08: 0000000000000000 R09: 0000000000000000 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 55.104220] R[ 64.077007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 SP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 55.110053] RAX[ 64.091163] R13: ffffb43f02d77f10 R14: ffffb43f02d77f10 R15: ffff9b1ec4d8e000 : ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.105351] FS: 00007ffb06fd1580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 55.118021] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI[ 64.120606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : ffffffff98ed9a70 # [ 55.125991] RBP: ffffffff9931b4b0 R08: [ 64.133243] CR2: 00007ffb06dea000 CR3: 0000000104ea6001 CR4: 00000000003706f0 0000000000000001 R09: 0000000000000001 # [ 55.133960] R10: 00[ 64.147441] Call Trace: 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 64.156393] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 55.141929] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ff[ 64.168056] direct_entry.cold+0x2c/0x38 ff9b1ec3e4a000 # [ 55.149898] FS: 00007ff3a23fd580(0000) GS:[ 64.178661] full_proxy_write+0x56/0x80 ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 55.158936] [ 64.189165] vfs_write+0xea/0x390 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.1653[ 64.199063] ksys_write+0x68/0xe0 73] CR2: ffffffffffffffd6 CR3: 0000000104fc2006 CR4: 00000000003[ 64.208990] do_syscall_64+0x33/0x40 706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdt[ 64.219197] entry_SYSCALL_64_after_hwframe+0x44/0xa9 m: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Kill[ 64.231071] RIP: 0033:0x7ffb06ef9f33 ed # [ 55.244524] lkdtm: Performing direct entry ACCESS_USERS[ 64.241273] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 PACE # [ 55.254186] lkdtm: attempting bad read at 00007fdd4ed[ 64.268468] RSP: 002b:00007ffc149d0ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 06000 # [ 55.260325] BUG: unable to handle page fault for add[ 64.283137] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ffb06ef9f33 ress: 00007fdd4ed06000 # [ 55.268034] #PF: supervisor read ac[ 64.297331] RDX: 0000000000000017 RSI: 00007ffb06dea000 RDI: 0000000000000001 cess in kernel mode # [ 55.273773] #PF: error_code(0x0001) - [ 64.311517] RBP: 00007ffb06dea000 R08: 00007ffb06de9010 R09: 0000000000000000 permissions violation # [ 55.279988] PGD 800000010542c067 P4D[ 64.325694] R10: 00007ffb06ff41c0 R11: 0000000000000246 R12: 0000000000000001 800000010542c067 PUD 10542e067 PMD 102911067 PTE 1083e7067 # [[ 64.339887] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 55.289709] Oops: 0001 [#12] SMP PTI # [ 55.299911] CPU: 2 [ 64.354079] irq event stamp: 0 PID: 1885 Comm: cat Tainted: G D W 5.10.124-cip9 #1[ 64.363709] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.308463] Hardware name: Google Rammus/Rammus, BIOS 09[ 64.376925] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 /04/2020 # [ 55.321487] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold[ 64.392287] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 +0x3d/0x9f # [ 55.327709] Code: 2b 04 25 28 00 00 00 75 60 48[ 64.407631] softirqs last disabled at (0): [<0000000000000000>] 0x0 83 c4 10 5d c3 48 89 ee 48 c7 c7 d0 11 2c 99 e8 90 9d fd ff 48 [ 64.420870] ---[ end trace 0f2f4ca23f3d3d31 ]--- c7 c7 f8 11 2c 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 77[ 64.432227] lkdtm: Saturation detected: still saturated 9d fd ff 48 89 ee 48 c7 c7 20 12 2c # [ 55.348693] RSP: 0018:ffffb43f025b7e48 EFLAGS: 00010246 # [ 55.354527] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 55.362498] RDX: 0000000000000000 RSI: ffff9b1f3ad1bf70 RDI: ffffffff992c11f8 # [ 55.370466] RBP: 00007fdd4ed06000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.378435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 55.386426] R13: ffffb43f025b7f10 R14: ffffb43f025b7f10 R15: ffff9b1ec33df000 # [ 55.394397] FS: 00007fdd4ecd7580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 55.403456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.409871] CR2: 00007fdd4ed06000 CR3: 00000001026b2006 CR4: 00000000003706e0 # [ 55.417840] Call Trace: # [ 55.420569] direct_entry.cold+0x2c/0x38 # [ 55.424950] full_proxy_write+0x56/0x80 # [ 55.429231] vfs_write+0xea/0x390 # [ 55.432920] ksys_write+0[ 64.532867] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 64.544299] lkdtm: attempting bad refcount_dec() from saturated [ 64.550924] ------------[ cut here ]------------ [ 64.556092] refcount_t: decrement hit 0; leaking memory. [ 64.562061] WARNING: CPU: 3 PID: 2427 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 x68/0xe0 # [ 55.436618] do_syscall_64+0x33/0x40 # [ 55.44[ 64.571401] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.604037] CPU: 3 PID: 2427 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 64.612622] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.619431] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 64.625174] Code: ff 48 c7 c7 10 be 25 99 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 25 99 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 64.646192] RSP: 0018:ffffb43f02e07e48 EFLAGS: 00010286 [ 64.652030] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 64.660003] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 64.667977] RBP: ffffffff992c0384 R08: 0000000000000000 R09: 0000000000000000 [ 64.675952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 64.683924] R13: ffffb43f02e07f10 R14: ffffb43f02e07f10 R15: ffff9b1ec32ba000 [ 64.691899] FS: 00007f9567e1d580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 64.700939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.707381] CR2: 00007f9567c36000 CR3: 0000000103e76006 CR4: 00000000003706e0 0606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.446245[ 64.715353] Call Trace: ] RIP: 0033:0x7fdd4ebfff33 # [ 55.450233] Code: 8b 15 61 ef 0[ 64.724302] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 64.735964] direct_entry.cold+0x2c/0x38 [ 64.746559] full_proxy_write+0x56/0x80 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 64.750845] vfs_write+0xea/0x390 [ 64.760762] ksys_write+0x68/0xe0 [ 64.764463] do_syscall_64+0x33/0x40 [ 64.768456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.774098] RIP: 0033:0x7f9567d45f33 [ 64.778089] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.799073] RSP: 002b:00007ffe4f434b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.807536] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9567d45f33 [ 64.815539] RDX: 0000000000000017 RSI: 00007f9567c36000 RDI: 0000000000000001 [ 64.823509] RBP: 00007f9567c36000 R08: 00007f9567c35010 R09: 0000000000000000 [ 64.831481] R10: 00007f9567e401c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.839443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.847420] irq event stamp: 0 [ 64.850827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.857831] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.866970] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.876106] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.883098] ---[ end trace 0f2f4ca23f3d3d32 ]--- [ 64.888253] lkdtm: Saturation detected: still saturated f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.471216] RSP: 002b:00007ffd58b4d328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.479671] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdd4ebfff33 # [ 55.487640] RDX: 0000000000000011 RSI: 00007fdd4eaf0000 RDI: 0000000000000001 # [ 55.495609] RBP: 00007fdd4eaf0000 R08: 00007fdd4eaef010 R09: 0000000000000000 # [ 55.503577] R10: 00007fdd4ecfa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.511545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.519516] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.545968] CR2: 00007fdd4ed06000 # [ 55.555878] ---[ end trace 0f2f4ca23f3d3d22 ]--- # [ 55.561024] RIP: 0010:l[ 64.986467] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED kdtm_BUG+0x5/0x10 # [ 55.565413] Code: 55 a5 ff 48 c7 c0 ea f[ 64.994160] lkdtm: attempting bad refcount_dec() from saturated f ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1[ 65.006994] ------------[ cut here ]------------ [ 65.018379] refcount_t: saturated; leaking memory. cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 65.023743] WARNING: CPU: 1 PID: 2462 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 0 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 55.586428] RS[ 65.039275] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify P: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 55.592262] RAX:[ 65.071916] CPU: 1 PID: 2462 Comm: cat Tainted: G D W 5.10.124-cip9 #1 ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 #[ 65.086707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.600232] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI:[ 65.099751] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 65.111708] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a ffffffff98ed9a70 # [ 55.608200] RBP: ffffffff9931b4b0 R08: 0[ 65.132713] RSP: 0018:ffffb43f02e97e48 EFLAGS: 00010286 [ 65.144757] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 000000000000001 R09: 0000000000000001 # [ 55.616170] R10: 000[ 65.152731] RDX: ffff9b1f3acac660 RSI: ffff9b1f3ac9bf70 RDI: ffff9b1f3ac9bf70 [ 65.166912] RBP: ffffffff992c039b R08: 0000000000000000 R09: 0000000000000000 [ 65.174882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 65.182854] R13: ffffb43f02e97f10 R14: ffffb43f02e97f10 R15: ffff9b1ec3e12000 [ 65.197036] FS: 00007f8128c55580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 55.624140] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: fff[ 65.206077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.218704] CR2: 00007f8128a6e000 CR3: 0000000104d9a003 CR4: 00000000003706e0 f9b1ec3e4a000 # [ 55.632110] FS: 00007fdd4ecd7580(0000) GS:f[ 65.226676] Call Trace: fff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 55.641147] C[ 65.235616] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.64756[ 65.247279] direct_entry.cold+0x2c/0x38 4] CR2: 00007fdd4ed06000 CR3: 00000001026b2006 CR4: 000000000037[ 65.257900] full_proxy_write+0x56/0x80 06e0 # [ 55.655535] BUG: sleeping function called from invali[ 65.268423] vfs_write+0xea/0x390 d context at include/linux/percpu-rwsem.h:49 # [ 55.665446] i[ 65.278337] ksys_write+0x68/0xe0 n_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1885, name[ 65.288279] do_syscall_64+0x33/0x40 [ 65.298485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 : cat # [ 55.673903] INFO: lockdep is turned off. # [ 55.6[ 65.304154] RIP: 0033:0x7f8128b7df33 78279] irq event stamp: 0 # [ 55.681684] hardirqs last enabl[ 65.314356] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ed at (0): [<0000000000000000>] 0x0 # [ 55.688684] hardirqs l[ 65.341554] RSP: 002b:00007ffc57844cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.356225] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8128b7df33 ast disabled at (0): [] copy_process+0x63c/0x1[ 65.364200] RDX: 0000000000000017 RSI: 00007f8128a6e000 RDI: 0000000000000001 [ 65.378380] RBP: 00007f8128a6e000 R08: 00007f8128a6d010 R09: 0000000000000000 c80 # [ 55.697810] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.706943] softirqs l[ 65.408521] irq event stamp: 0 [ 65.418143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ast disabled at (0): [<0000000000000000>] 0x0 # [ 55.713942] [ 65.425145] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.440488] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 CPU: 2 PID: 1885 Comm: cat Tainted: G D W 5.10.124-[ 65.449625] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.462835] ---[ end trace 0f2f4ca23f3d3d33 ]--- [ 65.467991] lkdtm: Saturation detected: still saturated cip9 #1 # [ 55.722495] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.729299] Call Trace: # [ 55.732026] dump_stack+0x77/0x97 # [ 55.735733] ___might_sleep.cold+0xa6/0xb6 # [ 55.740306] exit_signals+0x1c/0x2d0 # [ 55.744295] do_exit+0xd5/0xb00 # [ 55.747797] ? ksys_write+0x68/0xe0 # [ 55.751688] rewind_stack_do_exit+0x17/0x20 # [ 55.756373] RIP: 0033:0x7fdd4ebfff33 # [ 55.760372] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.781372] RSP: 002b:00007ffd58b4d328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.789828] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdd4ebfff33 # [ 55.797798] RDX: 0000000000000011 RSI: 00007fdd4eaf0000 RDI: 0000000000000001 # [ 55.805765] RBP: 00007fdd4eaf0000 R08: 00007fdd4eaef010 R09: 0000000000000000 # [ 55.813734] R10: 00007fdd4ecfa1c0 R11: 00000[ 65.573243] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 65.581094] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 65.588591] ------------[ cut here ]------------ 00000000246 R12: 0000000000000001 # [ 55.821703] R13: 0000000[ 65.593756] refcount_t: saturated; leaking memory. 000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_[ 65.605331] WARNING: CPU: 3 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 [ 65.620866] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS[ 65.647319] CPU: 3 PID: 2494 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 65.662090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 _USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [[ 65.668924] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 65.680866] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b [ 65.701850] RSP: 0018:ffffb43f02f2fe38 EFLAGS: 00010282 [ 65.707685] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 65.715655] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 65.723625] RBP: ffffffff992bffc8 R08: 0000000000000000 R09: 0000000000000000 [ 65.731594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 65.739558] R13: ffffb43f02f2ff10 R14: ffffb43f02f2ff10 R15: ffff9b1ec4be3000 [ 65.747531] FS: 00007f3419e54580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 65.756568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.762985] CR2: 00007f3419c6d000 CR3: 00000001027ec002 CR4: 00000000003706e0 [ 65.770956] Call Trace: [ 65.773685] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 65.779812] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 [ 65.786132] direct_entry.cold+0x2c/0x38 [ 65.790512] full_proxy_write+0x56/0x80 [ 65.794795] vfs_write+0xea/0x390 [ 65.798493] ksys_write+0x68/0xe0 [ 65.802192] do_syscall_64+0x33/0x40 [ 65.806184] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.811825] RIP: 0033:0x7f3419d7cf33 [ 65.815813] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.836796] RSP: 002b:00007ffcc7a9ef18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.845254] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3419d7cf33 [ 65.853225] RDX: 0000000000000020 RSI: 00007f3419c6d000 RDI: 0000000000000001 [ 65.861196] RBP: 00007f3419c6d000 R08: 00007f3419c6c010 R09: 0000000000000000 55.980928] lkdtm: Performing direct entry ACCESS_NULL # [ [ 65.869168] R10: 00007f3419e771c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.883357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 55.990892] lkdtm: attempting bad read at 0000000000000000 # [ [ 65.891332] irq event stamp: 0 [ 65.900947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.907949] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.917085] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.926220] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.933211] ---[ end trace 0f2f4ca23f3d3d34 ]--- [ 65.938375] lkdtm: Saturation detected: still saturated 56.003268] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.017214] #PF: supervisor read access in kernel mode # [ 56.022951] #PF: error_code(0x0000) - not-present page # [ 56.028686] PGD 0 P4D 0 # [ 56.031510] Oops: 0000 [#13] SMP PTI # [ 56.035499] CPU: 0 PID: 1920 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 56.044044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.050853] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 56.056110] Code: 34 9d fd ff be 00 10 00 00 48 89 ef e8 8b bb 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 11 2c 99 e8 0e 9d fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 11 2c 99 48 01 # [ 56.077085] RSP: 0018:ffffb43f02657e58 EFLAGS: 00010246 # [ 56.082920] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 56.090891] RDX: 0000000000000000 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 56.098860] RBP:[ 66.034570] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 66.045161] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 66.052657] ------------[ cut here ]------------ [ 66.057820] refcount_t: saturated; leaking memory. [ 66.063196] WARNING: CPU: 3 PID: 2526 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 ffffffff992c02c1 R08: 0000000000000000 R09: 0000000000000000 #[ 66.072533] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.105163] CPU: 3 PID: 2526 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 66.113716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.120523] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 66.126261] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b [ 66.147246] RSP: 0018:ffffb43f02fb7e38 EFLAGS: 00010282 [ 56.106830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 66.153086] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 000000000000000c # [ 56.114800] R13: ffffb43f02657f10 R14: f[ 66.167273] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 [ 66.181461] RBP: ffffffff992bffe8 R08: 0000000000000000 R09: 0000000000000000 [ 66.189456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 66.197426] R13: ffffb43f02fb7f10 R14: ffffb43f02fb7f10 R15: ffff9b1ec2785000 [ 66.205419] FS: 00007f9afb7b4580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 [ 66.214483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffb43f02657f10 R15: ffff9b1ec3119000 # [ 56.122771] FS: 000[ 66.220912] CR2: 00007f9afb5cd000 CR3: 000000010127a003 CR4: 00000000003706e0 [ 66.235090] Call Trace: [ 66.237822] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 66.243981] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 66.250328] direct_entry.cold+0x2c/0x38 [ 66.254709] full_proxy_write+0x56/0x80 [ 66.258992] vfs_write+0xea/0x390 [ 66.262717] ksys_write+0x68/0xe0 [ 66.266420] do_syscall_64+0x33/0x40 [ 66.270425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.276057] RIP: 0033:0x7f9afb6dcf33 [ 66.280048] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.301032] RSP: 002b:00007ffca2ae3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.309490] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9afb6dcf33 [ 66.317461] RDX: 0000000000000020 RSI: 00007f9afb5cd000 RDI: 0000000000000001 [ 66.325432] RBP: 00007f9afb5cd000 R08: 00007f9afb5cc010 R09: 0000000000000000 [ 66.333420] R10: 00007f9afb7d71c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.341385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 07f9485660580(0000) GS:ffff9b1f3ac00000(0000) knlGS:000000000000[ 66.349380] irq event stamp: 0 [ 66.359002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.366005] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.375143] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.384279] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.391281] ---[ end trace 0f2f4ca23f3d3d35 ]--- [ 66.396436] lkdtm: Saturation detected: still saturated 0000 # [ 56.131800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.138216] CR2: 0000000000000000 CR3: 0000000105c4c002 CR4: 00000000003706f0 # [ 56.146185] Call Trace: # [ 56.148913] direct_entry.cold+0x2c/0x38 # [ 56.153298] full_proxy_write+0x56/0x80 # [ 56.157584] vfs_write+0xea/0x390 # [ 56.161273] ksys_write+0x68/0xe0 # [ 56.164971] do_syscall_64+0x33/0x40 # [ 56.168953] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.174594] RIP: 0033:0x7f9485588f33 # [ 56.178583] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.199567] RSP: 002b:00007ffd49700d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.208024] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9485588f33 # [ 56.215995] RDX: 000000000000000c RSI: 00007f9485479000 RDI: 0000000000000001 # [ 56.223964] RBP: 00007f9485479000 R08[ 66.496245] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 66.509453] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 66.516965] ------------[ cut here ]------------ : 00007f9485478010 R09: 0000000000000000 # [ 56.231935] R10: [ 66.522135] refcount_t: underflow; use-after-free. 00007f94856831c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.533713] WARNING: CPU: 2 PID: 2561 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 56.239904] R13: 0000000000000001 R14: 0000000000020000 R15: [ 66.549251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.581883] CPU: 2 PID: 2561 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 66.590466] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.597308] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 0000000000020000 # [ 56.247878] Modules linked in: fuse ip_ta[ 66.603074] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 [ 66.630264] RSP: 0018:ffffb43f03027e40 EFLAGS: 00010286 [ 66.636102] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 66.644074] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 66.652044] RBP: ffffffff992c0008 R08: 0000000000000000 R09: 0000000000000000 [ 66.660018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 66.667991] R13: ffffb43f03027f10 R14: ffffb43f03027f10 R15: ffff9b1ec378e000 [ 66.675965] FS: 00007f69b64f7580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 66.685006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.691432] CR2: 00007f69b6310000 CR3: 0000000105686001 CR4: 00000000003706e0 [ 66.699398] Call Trace: [ 66.702130] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 66.708291] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 66.714643] direct_entry.cold+0x2c/0x38 [ 66.719026] full_proxy_write+0x56/0x80 [ 66.723342] vfs_write+0xea/0x390 [ 66.727065] ksys_write+0x68/0xe0 [ 66.730797] do_syscall_64+0x33/0x40 [ 66.734792] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.740463] RIP: 0033:0x7f69b641ff33 [ 66.744457] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.765445] RSP: 002b:00007ffd6313c118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.773903] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f69b641ff33 [ 66.781877] RDX: 0000000000000020 RSI: 00007f69b6310000 RDI: 0000000000000001 [ 66.789848] RBP: 00007f69b6310000 R08: 00007f69b630f010 R09: 0000000000000000 [ 66.797821] R10: 00007f69b651a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.805794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 66.813772] irq event stamp: 0 [ 66.823392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightba[ 66.830395] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.845746] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.854913] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.861915] ---[ end trace 0f2f4ca23f3d3d36 ]--- [ 66.867071] lkdtm: Saturation detected: still saturated r cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.274321] CR2: 0000000000000000 # [ 56.278018] ---[ end trace 0f2f4ca23f3d3d23 ]--- # [ 56.283174] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.287550] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 56.308535] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 56.314369] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.322340] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 56.330303] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.338264] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.346233] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 56.354204] FS: 00007f9485660580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 56.363234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.369650] CR2: 0000000000000000 CR3: 0000000105c4c002 CR4: 00000000003706f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 56.474000] lkdtm: Performing direct entry WRITE_RO # [ 56.482641] lkdtm: attempting bad rodata write at ffffffff98ed9ef0 # [ 56.495778] BUG: unable to handle page fault for address: ffffffff98ed9ef0 # [ 56.509653] #PF: supervisor write access in kernel mode # [ 56.515477] #PF: error_code(0x0003) - permissions violation # [ 56.521700] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 80000001138000e1 # [ 56.529477] Oops: 0003 [#14] SMP PTI # [ 56.533466] CPU: 0 PID: 1955 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 56.542010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.548817] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 56.553782] Code: 00 48 c7 c7 b0 10 2c 99 48 c7 c6 f0 9e ed 98 e8 b0 9f fd ff 48 8b 05 2d 11 5e 00 ba 34 12 cd ab 48 c7 c7 e0 10 2c 99 48 31 d0 <48> 89 05 17 11 5e 00 e9 8e 9f fd ff 0f 1f 44 00 00 48 8b 05 3e 35 # [ 56.574767] RSP: 0018:ffffb43f026f7e60 EFLAGS: 00010202 # [ 56.580592] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 56.588561] RDX: 00000000abcd1234 RSI: ffff9b1f3ac1bf70 RDI: ffffffff992c10e0 # [ 56.596529] RBP: ffffffff992c02cd R08: 0000000000000000 R09: 0000000000000000 # [ 56.604499] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 56.612469] R13: ffffb43f026f7f10 R14: ffffb43f026f7f10 R15: ffff9b1ec333f000 # [ 56.620439] FS: 00007f26829c9580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 56.629479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.635896] CR2: ffffffff98ed9ef0 CR3: 000000010264a003 CR4: 00000000003706f0 # [ 56.643867] Call Trace: # [ 56.646593] direct_entry.cold+0x2c/0x38 # [ 56.650965] full_proxy_write+0x56/0x80 # [ 56.655251] vfs_write+0xea/0x390 # [ 56.658947] ksys_write+0x68/0xe0 # [ 56.662645] do_syscall_64+0x33/0x40 # [ 56.666634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.672274] RIP: 0033:0x7f26828f1f33 # [ 56.676253] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.697236] RSP: 002b:00007ffd635f1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.705683] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f26828f1f33 # [ 56.713652] RDX: 0000000000000009 RSI: 00007f26827e2000 RDI: 0000000000000001 # [ 56.721621] RBP: 00007f26827e2000 R08: 00007f26827e1010 R09: 0000000000000000 # [ 56.729592] R10: 00007f26829ec1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.737562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.745532] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.771971] CR2: ffffffff98ed9ef0 # [ 56.775668] ---[ end trace 0f2f4ca23f3d3d24 ]--- # [ 56.780822] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.785197] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 56.806180] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 56.812011] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.819979] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 56.827947] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.835914] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.843884] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 56.851853] FS: 00007f26829c9580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 56.860892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.867306] CR2: ffffffff98ed9ef0 CR3: 000000010264a003 CR4: 00000000003706f0 # [ 56.875275] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.885186] in_atom[ 67.419930] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 67.430106] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 67.437610] ------------[ cut here ]------------ [ 67.442767] refcount_t: underflow; use-after-free. [ 67.448150] WARNING: CPU: 2 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 ic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1955, name: cat[ 67.457488] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.490124] CPU: 2 PID: 2596 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 67.498680] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.505489] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 67.511227] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 [ 67.532210] RSP: 0018:ffffb43f030b7e40 EFLAGS: 00010286 [ 67.538049] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 67.546021] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 [ 67.553994] RBP: ffffffff992c0028 R08: 0000000000000000 R09: 0000000000000000 [ 67.561965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 67.569936] R13: ffffb43f030b7f10 R14: ffffb43f030b7f10 R15: ffff9b1ec4be3000 [ 67.577907] FS: 00007f408233f580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 [ 67.586945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.593379] CR2: 00007f4082158000 CR3: 00000001032d0002 CR4: 00000000003706e0 # [ 56.893640] INFO: lockdep is turned off. # [ 56.898015][ 67.601350] Call Trace: [ 67.610292] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 67.616445] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 67.622769] direct_entry.cold+0x2c/0x38 [ 67.627174] full_proxy_write+0x56/0x80 [ 67.631482] vfs_write+0xea/0x390 [ 67.635182] ksys_write+0x68/0xe0 [ 67.638883] do_syscall_64+0x33/0x40 [ 67.642899] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.648542] RIP: 0033:0x7f4082267f33 [ 67.652556] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.673540] RSP: 002b:00007ffca49bf818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.681999] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4082267f33 [ 67.689971] RDX: 0000000000000020 RSI: 00007f4082158000 RDI: 0000000000000001 [ 67.697944] RBP: 00007f4082158000 R08: 00007f4082157010 R09: 0000000000000000 irq event stamp: 0 # [ 56.901422] hardirqs last enabled at [ 67.705915] R10: 00007f40823621c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.720101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0): [<0000000000000000>] 0x0 # [ 56.908429] hardirqs last di[ 67.728079] irq event stamp: 0 [ 67.737698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.744732] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 67.753903] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 67.763070] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.770077] ---[ end trace 0f2f4ca23f3d3d37 ]--- sabled at (0): [] copy_process+0x63c/0x1c80 #[ 67.775254] lkdtm: Saturation detected: still saturated [ 56.917554] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 56.926688] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.933686] CPU: 0 PID: 1955 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 56.942237] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.949040] Call Trace: # [ 56.951767] dump_stack+0x77/0x97 # [ 56.955464] ___might_sleep.cold+0xa6/0xb6 # [ 56.960026] exit_signals+0x1c/0x2d0 # [ 56.964013] do_exit+0xd5/0xb00 # [ 56.967516] ? ksys_write+0x68/0xe0 # [ 56.971408] rewind_stack_do_exit+0x17/0x20 # [ 56.976095] RIP: 0033:0x7f26828f1f33 # [ 56.980081] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.001062] RSP: 002b:00007ffd635f1658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.009517] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f26828f1f33 # [ 57.017485] RDX: 0000000000000009 RSI: 00007f26827e2000 RDI: 0000000000000001 # [ 57.025453] RBP: 00007f26827e2000 R08: 00007f26827e1010 R09: 0000000000000000 # [ 57.033423] R10: 00007f26829ec1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.041392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 57.223869] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 57.236138] lkdtm: attempting bad ro_after_init write at ffffffff9933c328 # [ 57.243755] BUG: unable to handle page fault for address: ffffffff9933c328 # [ 57.251436] #PF: supervisor write access in kernel mode # [ 57.257271] #PF: error_code(0x0003) - permissions violation # [ 57.263493] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 100054063 PTE 8000000113d3c061 # [ 57.272537] Oops: 0003 [#15] SMP PTI # [ 57.276526] CPU: 3 PID: 1990 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 57.285077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.291884] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 57.297912] Code: 11 2c 99 e9 62 9f fd ff 48 c7 c7 38 11 2[ 68.010545] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO c 99 e8 56 9f fd ff 48 8b 05 0b 35 a4 00 ba 34 12 cd ab 48 c7 c7[ 68.017826] lkdtm: attempting good copy_to_user of correct size e0 10 2c 99 48 31 d0 <48> 89 05 f5 34 a4 00 e9 34 9f fd ff 0f 1[ 68.030662] lkdtm: attempting bad copy_to_user of too large size f 44 00 00 41 54 48 c7 c7 # [ 57.318888] RSP: 0018:ffffb43f0276fe60 EFLAGS: 00010202 # [ 57.324720] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 57.332690] RDX: 00000000abcd1234 RSI: ffff9b1f3ad9bf70 RDI: ffffffff992c10e0 # [ 57.340658] RBP: ffffffff992c02d6 R08: 0000000000000000 R09: 0000000000000000 # [ 57.348628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 57.356596] R13: ffffb43f0276ff10 R14: ffffb43f0276ff10 R15: ffff9b1ec29b7000 # [ 57.364569] FS: 00007f4416796580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 57.373607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.380022] CR2: ffffffff9933c328 CR3: 0000000104e70002 CR4: 00000000003706e0 # [ 57.387991] Call Trace: # [ 57.390718] direct_entry.cold+0x2c/0x38 # [ 57.395099] full_proxy_write+0x56/0x80 # [ 57.399381] vfs_write+0xea/0x390 # [ 57.403077] ksys_write+0x68/0xe0 # [ 57.406774] do_syscall_64+0x33/0x40 # [ 57.410756] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.416396] RIP: 0033:0x7f44166bef33 # [ 57.420420] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.441403] RSP: 002b:00007ffd7e526c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.449902] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f44166bef33 # [ 57.457872] RDX: 0000000000000014 RSI: 00007f44165af000 RDI: 0000000000000001 # [ 57.465842] RBP[ 68.196093] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM : 00007f44165af000 R08: 00007f44165ae010 R09: 0000000000000000 [ 68.205888] lkdtm: attempting good copy_from_user of correct size # [ 57.473811] R10: 00007f44167b91c0 R11: 0000000000000246 R12[ 68.218933] lkdtm: attempting bad copy_from_user of too large size : 0000000000000001 # [ 57.481780] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.489750] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.516205] CR2: ffffffff9933c328 # [ 57.526115] ---[ end trace 0f2f4ca23f3d3d25 ]--- # [ 57.531271] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.535646] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 57.556631] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 57.562464] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.570434] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 57.578420] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.586389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.594374] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 57.602343] FS: 00007f4416796580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 57.611422] CS: 0010 DS[ 68.356703] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO : 0000 ES: 0000 CR0: 0000000080050033 # [ 57.617836] CR2: fff[ 68.369798] lkdtm: attempting good copy_to_user inside whitelist fffff9933c328 CR3: 0000000104e70002 CR4: 00000000003706e0 # WRI[ 68.382717] lkdtm: attempting bad copy_to_user outside whitelist TE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 57.723112] lkdtm: Performing direct entry WRITE_KERN # [ 57.730948] lkdtm: attempting bad 6580285 byte write at ffffffff988f8d3d # [ 57.744652] BUG: unable to handle page fault for address: ffffffff988f8d3d # [ 57.752337] #PF: supervisor write access in kernel mode # [ 57.758171] #PF: error_code(0x0003) - permissions violation # [ 57.764392] PGD 113e29067 P4D 113e29067 PUD 113e2a063 PMD 1132000e1 # [ 57.771492] Oops: 0003 [#16] SMP PTI # [ 57.781695] CPU: 2 PID: 2025 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 57.790248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.797055] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 57.802208[ 68.473003] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 68.483905] lkdtm: attempting good copy_from_user inside whitelist ] Code: 53 48 c7 c3 3d 8d 8f 98 49 89 dc 48 89 da 49 81 ec 00 25[ 68.490827] lkdtm: attempting bad copy_from_user outside whitelist 2b 98 4c 89 e6 e8 09 9f fd ff 48 89 df 4c 89 e1 48 c7 c6 00 25 2b 98 a4 48 c7 c7 e0 10 2c 99 e8 ee 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 57.823193] RSP: 0018:ffffb43f027efe50 EFLAGS: 00010246 # [ 57.829018] RAX: 000000000000003c RBX: ffffffff988f8d3d RCX: 000000000064683d # [ 57.836987] RDX: 0000000000000000 RSI: ffffffff982b2500 RDI: ffffffff988f8d3d # [ 57.844956] RBP: ffffffff992c02ea R08: 0000000000000000 R09: 0000000000000000 # [ 57.852926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000064683d # [ 57.860895] R13: ffffb43f027eff10 R14: ffffb43f027eff10 R15: ffff9b1ec4cc3000 # [ 57.868863] FS: 00007f4c8a513580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 57.877900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.884315] CR2: ffffffff988f8d3d CR3: 0000000103770005 CR4: 00000000003706e0 # [ 57.892283] Call Trace: # [ 57.895010] direct_entry.cold+0x2c/0x38 # [ 57.899388] full_proxy_write+0x56/0x80 # [ 57.903669] vfs_write+0xea/0x390 # [ 57.907372] ksys_write+0x68/0xe0 # [ 57.911070] do_syscall_64+0x33/0x40 # [ 57.915049] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.920688] RIP: 0033:0x7f4c8a43bf33 # [ 57.924676] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 68.636732] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 8 83 ec 28 48 89 54 24 18 # [ 57.945661] RSP: 002b:00007ffedc[ 68.647802] lkdtm: good_stack: ffffb43f03467e20-ffffb43f03467e40 f6b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.954[ 68.660732] lkdtm: bad_stack : ffffb43f03467da8-ffffb43f03467dc8 116] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4c8a[ 68.673664] lkdtm: attempting good copy_to_user of local stack 43bf33 # [ 57.962085] RDX: 000000000000000b RSI: 00007f4c8a32[ 68.686424] lkdtm: attempting bad copy_to_user of distant stack c000 RDI: 0000000000000001 # [ 57.970055] RBP: 00007f4c8a32c000 R08: 00007f4c8a32b010 R09: 0000000000000000 # [ 57.978025] R10: 00007f4c8a5361c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.985994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.993965] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.020409] CR2: ffffffff988f8d3d # [ 58.030321] ---[ end trace 0f2f4ca23f3d3d26 ]--- # [ 58.035476] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.039853] Code: 55 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 13 70 02 # [ 58.060828] RSP: 0018:ffffb43f01467e60 EFLAGS: 00010286 # [ 58.066661] RAX: ffffffff982b2130 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.074630] RDX: 0000000000000000 RSI: ffff9b1f3ac9bf70 RDI: ffffffff98ed9a70 # [ 58.082601] RBP: ffffffff9931b4b0 R08: 0000000000000001 R09: 000000[ 68.816241] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 68.824539] lkdtm: good_stack: ffffb43f034d7e20-ffffb43f034d7e40 0000000001 # [ 58.090569] R10: 00000000ffffe000 R11: 3fffffff[ 68.831257] lkdtm: bad_stack : ffffb43f034d7da8-ffffb43f034d7dc8 [ 68.844194] lkdtm: attempting good copy_from_user of local stack [ 68.850916] lkdtm: attempting bad copy_from_user of distant stack ffffffff R12: 0000000000000004 # [ 58.098537] R13: ffffb43f01467f10 R14: ffffb43f01467f10 R15: ffff9b1ec3e4a000 # [ 58.106505] FS: 00007f4c8a513580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 58.115542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.121957] CR2: ffffffff988f8d3d CR3: 0000000103770005 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 58.227973] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 58.236121] lkdtm: attempting good refcount_inc() without overflow # [ 58.243044] lkdtm: attempting bad refcount_inc() overflow # [ 58.249087] ------------[ cut here ]------------ # [ 58.254251] refcount_t: saturated; leaking memory. # [ 58.259632] WARNING: CPU: 3 PID: 2060 at lib/refcount.c:22 refcount_warn_saturate+0x49[ 68.943887] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND /0xf0 # [ 58.268971] Modules linked in: fuse ip_tables cros_e[ 68.951503] lkdtm: good_stack: ffffb43f0354fe20-ffffb43f0354fe40 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 68.964434] lkdtm: bad_stack : ffffb43f0354fff8-ffffb43f03550018 fo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_s[ 68.977369] lkdtm: attempting good copy_to_user of local stack ysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_e[ 68.990130] lkdtm: attempting bad copy_to_user of distant stack c_dev cros_usbpd_notify # [ 58.301613] CPU: 3 PID: 2060 Comm:[ 69.002953] lkdtm: copy_to_user failed, but lacked Oops cat Tainted: G D W 5.10.124-cip9 #1 # [ 58.310200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.317011] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 58.322781] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a # [ 58.343771] RSP: 0018:ffffb43f0286fe48 EFLAGS: 00010286 # [ 58.349638] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 58.357614] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 58.365588] RBP: ffffffff992c02f5 R08: 0000000000000000 R09: 0000000000000000 # [ 58.373580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 58.381560] R13: ffffb43f0286ff10 R14: ffffb43f0286ff10 R15: ffff9b1ec3334000 # [ 58.395747] FS: 00007f82c7f9c580(0000) GS:ffff9b1f3ad80000(0000) knlGS[ 69.102648] lkdtm: Performing direct entry USERCOPY_KERNEL [ 69.114347] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98ed9f10 [ 69.123017] lkdtm: attempting bad copy_to_user from kernel text: ffffffff97cd1460 [ 69.131395] lkdtm: FAIL: survived bad copy_to_user() :0000000000000000 # [ 58.411002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.417420] CR2: 00007f82c7db5000 CR3: 00000001029b6002 CR4: 00000000003706e0 # [ 58.431607] Call Trace: # [ 58.434339] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 58.439718] direct_entry.cold+0x2c/0x38 # [ 58.450310] full_proxy_write+0x56/0x80 # [ 58.454593] vfs_write+0xea/0x390 # [ 58.458291] ksys_write+0x68/0xe0 # [ 58.461992] do_syscall_64+0x33/0x40 # [ 58.465984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.471626] RIP: 0033:0x7f82c7ec4f33 # [ 58.475617] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.496603] RSP: 002b:00007ffc18b75e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.505063] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f82c7ec4f33 # [ 58.513035] RDX: 0000000000000016 RSI: 00007f82c7db5000 RDI: 0000000000000001 # [ 58.520998] RBP: 00007f82c7db5000 R08: 00007f82c7db4010 R09: 0000000000000000 # [ 58.528970] R10: 00007f82c7fbf1c0 R11: 0000000000000246 R12: 00000000000000[ 69.251373] lkdtm: Performing direct entry STACKLEAK_ERASING [ 69.261473] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 69.269362] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 69.277148] lkdtm: FAIL: the thread stack is NOT properly erased [ 69.283857] CPU: 3 PID: 2961 Comm: cat Tainted: G D W 5.10.124-cip9 #1 [ 69.292409] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.299210] Call Trace: [ 69.301941] dump_stack+0x77/0x97 [ 69.305640] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 69.310792] direct_entry.cold+0x2c/0x38 [ 69.315171] full_proxy_write+0x56/0x80 [ 69.319450] vfs_write+0xea/0x390 [ 69.323139] ksys_write+0x68/0xe0 [ 69.326828] do_syscall_64+0x33/0x40 [ 69.330808] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.336447] RIP: 0033:0x7fd3292b8f33 [ 69.340425] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.361415] RSP: 002b:00007ffe614b98c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.369869] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd3292b8f33 [ 69.377837] RDX: 0000000000000012 RSI: 00007fd3291a9000 RDI: 0000000000000001 [ 69.385804] RBP: 00007fd3291a9000 R08: 00007fd3291a8010 R09: 0000000000000000 [ 69.393770] R10: 00007fd3293b31c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.401737] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 # [ 58.536932] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.544905] irq event stamp: 0 # [ 58.548313] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.555317] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.564480] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.573619] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.580618] ---[ end trace 0f2f4ca23f3d3d27 ]--- # [ 58.585773] 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 # [ 58.682526] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 58.690793] lkdtm: attempting good refcount_add() without overflow # [ 58.697703] lkdtm: attempting bad refcount_add() overflow # [ 58.709945] ------------[ cut here ]------------ # [ 58.721314] refcount_t: saturated; leaking memory. # [ 58.726677] WARNING: CPU: 1 PID: 2092 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 58.742211] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cr[ 69.534486] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 69.546863] lkdtm: Calling matched prototype ... [ 69.552033] lkdtm: Calling mismatched prototype ... [ 69.557479] lkdtm: Fail: survived mismatched prototype function call! os_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.774850] CPU: 1 PID: 2092 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 58.783416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.796429] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 58.808386] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a # [ 58.835585] RSP: 0018:ffffb43f028efe48 EFLAGS: 00010286 # [ 58.841422] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 58.849407] RDX: ffff9b1f3acac660 RSI: ffff9b1f3ac9bf70 RDI: ffff9b1f3ac9bf70 # [ 58.863575] RBP: ffffffff992c030b R08: 0000000000000000 R09: 0000000000000000 # [ 58.871549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 58.885738] R13: ffffb43f028eff10 R14: ffffb43f028eff10 R15: ffff9b1ec2852000 # [ 58.893711] FS: 00007ff558f46580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 58.908967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.915389] CR2: 00007ff558d5f000 CR3: 00000001034b0001 CR4: 00000000003706e0 # [ 58.929574] Call Trace: # [ 58.932309] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 58.943868] direct_entry.cold+0x2c/0x38 # [ 58.954462] full_proxy_write+0x56/0x80 # [ 58.964988] vfs_write+0xea/0x390 # [ 58.974901] ksys_write+0x68/0xe0 # [ 58.984817] do_syscall_64+0x33/0x40 # [ 58.988811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.000666] RIP: 0033:0x7ff558e6ef33 # [ 59.010876] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.038074] RSP: 002b:00007ffd2c21d548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.046536] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff558e6ef33 # [ 59.054509] RDX: 0000000000000016 RSI: 00007ff558d5f000 RDI: 0000000000000001 # [ 59.062484] RBP: 00007ff558d5f000 R08: 00007ff558d5e010 R09: 0000000000000000 # [ 59.070457] R10: 00007ff558f691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.078431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.086407] irq event stamp: 0 # [ 59.089818] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.103033] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.112173] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.127520] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.134523] ---[ end trace 0f2f4ca23f3d3d28 ]--- # [ 59.139677] 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 # [ 59.233527] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 59.245637] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 59.252543] ------------[ cut here ]------------ # [ 59.257719] refcount_t: saturated; leaking memory. # [ 59.263081] WARNING: CPU: 2 PID: 2124 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 59.272446] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.298901] CPU: 2 PID: 2124 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 59.313668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.320500] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 59.326239] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b # [ 59.347223] RSP: 0018:ffffb43f0298fe38 EFLAGS: 00010282 # [ 59.353059] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 59.361031] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 59.369003] RBP: ffffffff992bff48 R08: 0000000000000000 R09: 0000000000000000 # [ 59.376977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 59.384948] R13: ffffb43f0298ff10 R14: ffffb43f0298ff10 R15: ffff9b1ec3575000 # [ 59.392922] FS: 00007faecfc65580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 59.408176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.414592] CR2: 00007faecfa7e000 CR3: 00000001032d0005 CR4: 00000000003706e0 # [ 59.428778] Call Trace: # [ 59.431510] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 59.437664] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 59.443889] direct_entry.cold+0x2c/0x38 # [ 59.448269] full_proxy_write+0x56/0x80 # [ 59.452553] vfs_write+0xea/0x390 # [ 59.456251] ksys_write+0x68/0xe0 # [ 59.459972] do_syscall_64+0x33/0x40 # [ 59.463976] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.475826] RIP: 0033:0x7faecfb8df33 # [ 59.479818] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.500804] RSP: 002b:00007ffd9702f8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.509263] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007faecfb8df33 # [ 59.517234] RDX: 000000000000001f RSI: 00007faecfa7e000 RDI: 0000000000000001 # [ 59.525203] RBP: 00007faecfa7e000 R08: 00007faecfa7d010 R09: 0000000000000000 # [ 59.533173] R10: 00007faecfc881c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.541136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.549110] irq event stamp: 0 # [ 59.552516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.559510] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.568649] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.577787] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.584787] ---[ end trace 0f2f4ca23f3d3d29 ]--- # [ 59.589933] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 59.680413] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 59.689623] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 59.696528] ------------[ cut here ]------------ # [ 59.701689] refcount_t: saturated; leaking memory. # [ 59.713265] WARNING: CPU: 2 PID: 2156 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 59.728802] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.755259] CPU: 2 PID: 2156 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 59.770027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.776863] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 59.788807] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b # [ 59.809792] RSP: 0018:ffffb43f02a0fe38 EFLAGS: 00010282 # [ 59.815627] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 59.823597] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 59.831569] RBP: ffffffff992bff68 R08: 0000000000000000 R09: 0000000000000000 # [ 59.839541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 59.847512] R13: ffffb43f02a0ff10 R14: ffffb43f02a0ff10 R15: ffff9b1ec4f79000 # [ 59.855483] FS: 00007fa1882d9580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 59.864523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.870942] CR2: 00007fa1880f2000 CR3: 00000001027ec005 CR4: 00000000003706e0 # [ 59.878904] Call Trace: # [ 59.881636] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 59.887796] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 59.894019] direct_entry.cold+0x2c/0x38 # [ 59.898413] full_proxy_write+0x56/0x80 # [ 59.902727] vfs_write+0xea/0x390 # [ 59.906425] ksys_write+0x68/0xe0 # [ 59.910125] do_syscall_64+0x33/0x40 # [ 59.914116] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.919759] RIP: 0033:0x7fa188201f33 # [ 59.923749] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.944735] RSP: 002b:00007ffd240c60b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.953193] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa188201f33 # [ 59.961163] RDX: 000000000000001f RSI: 00007fa1880f2000 RDI: 0000000000000001 # [ 59.969126] RBP: 00007fa1880f2000 R08: 00007fa1880f1010 R09: 0000000000000000 # [ 59.977098] R10: 00007fa1882fc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.985072] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.993048] irq event stamp: 0 # [ 60.002665] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.009668] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.025018] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.034157] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.041157] ---[ end trace 0f2f4ca23f3d3d2a ]--- # [ 60.046304] 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 # [ 60.130116] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 60.138497] lkdtm: attempting good refcount_dec() # [ 60.149969] lkdtm: attempting bad refcount_dec() to zero # [ 60.162118] ------------[ cut here ]------------ # [ 60.173488] refcount_t: decrement hit 0; leaking memory. # [ 60.185667] WARNING: CPU: 1 PID: 2188 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 60.201187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.233824] CPU: 1 PID: 2188 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 60.248591] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.261616] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 60.273570] Code: ff 48 c7 c7 10 be 25 99 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 25 99 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 60.300768] RSP: 0018:ffffb43f02a5fe48 EFLAGS: 00010286 # [ 60.312821] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 60.327011] RDX: ffff9b1f3acac660 RSI: ffff9b1f3ac9bf70 RDI: ffff9b1f3ac9bf70 # [ 60.334985] RBP: ffffffff992c0321 R08: 0000000000000000 R09: 0000000000000000 # [ 60.342960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 60.357146] R13: ffffb43f02a5ff10 R14: ffffb43f02a5ff10 R15: ffff9b1ec2678000 # [ 60.365118] FS: 00007f83a956e580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 60.380383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.393015] CR2: 00007f83a9387000 CR3: 0000000104fae004 CR4: 00000000003706e0 # [ 60.404772] Call Trace: # [ 60.407505] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 60.418676] direct_entry.cold+0x2c/0x38 # [ 60.429271] full_proxy_write+0x56/0x80 # [ 60.439767] vfs_write+0xea/0x390 # [ 60.449679] ksys_write+0x68/0xe0 # [ 60.459595] do_syscall_64+0x33/0x40 # [ 60.469800] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.481657] RIP: 0033:0x7f83a9496f33 # [ 60.491863] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.512846] RSP: 002b:00007ffebb5359d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.527510] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f83a9496f33 # [ 60.535483] RDX: 0000000000000012 RSI: 00007f83a9387000 RDI: 0000000000000001 # [ 60.549666] RBP: 00007f83a9387000 R08: 00007f83a9386010 R09: 0000000000000000 # [ 60.557640] R10: 00007f83a95911c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.571821] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.579799] irq event stamp: 0 # [ 60.589413] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.596418] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.611764] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.627120] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.640332] ---[ end trace 0f2f4ca23f3d3d2b ]--- # [ 60.651702] 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 # [ 60.782442] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 60.793647] lkdtm: attempting bad refcount_dec() below zero # [ 60.806091] ------------[ cut here ]------------ # [ 60.817469] refcount_t: decrement hit 0; leaking memory. # [ 60.829639] WARNING: CPU: 0 PID: 2223 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 60.845166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.877831] CPU: 0 PID: 2223 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 60.892620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.905688] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 60.917622] Code: ff 48 c7 c7 10 be 25 99 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 25 99 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 60.944864] RSP: 0018:ffffb43f02affe48 EFLAGS: 00010286 # [ 60.956920] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 60.971101] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 60.985284] RBP: ffffffff992c0333 R08: 0000000000000000 R09: 0000000000000000 # [ 60.999478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.013673] R13: ffffb43f02afff10 R14: ffffb43f02afff10 R15: ffff9b1ec29ba000 # [ 61.027848] FS: 00007f0182654580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 61.043130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.055761] CR2: 00007f018246d000 CR3: 0000000104c42005 CR4: 00000000003706f0 # [ 61.069957] Call Trace: # [ 61.078908] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 61.090457] direct_entry.cold+0x2c/0x38 # [ 61.101085] full_proxy_write+0x56/0x80 # [ 61.111548] vfs_write+0xea/0x390 # [ 61.121464] ksys_write+0x68/0xe0 # [ 61.131380] do_syscall_64+0x33/0x40 # [ 61.141609] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.153454] RIP: 0033:0x7f018257cf33 # [ 61.163646] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.190871] RSP: 002b:00007ffc24fbc328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.205561] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f018257cf33 # [ 61.219714] RDX: 0000000000000016 RSI: 00007f018246d000 RDI: 0000000000000001 # [ 61.233942] RBP: 00007f018246d000 R08: 00007f018246c010 R09: 0000000000000000 # [ 61.248128] R10: 00007f01826771c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.262315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.276505] irq event stamp: 0 # [ 61.286133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.299314] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.314695] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.330091] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.343327] ---[ end trace 0f2f4ca23f3d3d2c ]--- # [ 61.354707] 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 # [ 61.480337] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 61.491747] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 61.498858] ------------[ cut here ]------------ # [ 61.504022] refcount_t: underflow; use-after-free. # [ 61.515603] WARNING: CPU: 2 PID: 2258 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 61.531142] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.563784] CPU: 2 PID: 2258 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 61.572381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.585418] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 61.591175] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 # [ 61.612162] RSP: 0018:ffffb43f02b67e40 EFLAGS: 00010286 # [ 61.617997] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 61.625969] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 61.633931] RBP: ffffffff992bff88 R08: 0000000000000000 R09: 0000000000000000 # [ 61.641903] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.649875] R13: ffffb43f02b67f10 R14: ffffb43f02b67f10 R15: ffff9b1ec4df9000 # [ 61.657847] FS: 00007fd07f6e3580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 61.666888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.673307] CR2: 00007fd07f4fc000 CR3: 00000001035d2005 CR4: 00000000003706e0 # [ 61.681278] Call Trace: # [ 61.684001] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 61.690131] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 61.696376] direct_entry.cold+0x2c/0x38 # [ 61.706974] full_proxy_write+0x56/0x80 # [ 61.711256] vfs_write+0xea/0x390 # [ 61.714955] ksys_write+0x68/0xe0 # [ 61.718655] do_syscall_64+0x33/0x40 # [ 61.722646] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.728289] RIP: 0033:0x7fd07f60bf33 # [ 61.732281] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.753268] RSP: 002b:00007fffca247808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.761726] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd07f60bf33 # [ 61.769696] RDX: 000000000000001f RSI: 00007fd07f4fc000 RDI: 0000000000000001 # [ 61.777669] RBP: 00007fd07f4fc000 R08: 00007fd07f4fb010 R09: 0000000000000000 # [ 61.785641] R10: 00007fd07f7061c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.793614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.801590] irq event stamp: 0 # [ 61.811214] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.818217] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.833567] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.842704] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.849706] ---[ end trace 0f2f4ca23f3d3d2d ]--- # [ 61.854861] 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 # [ 61.975981] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 61.985638] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 61.992750] ------------[ cut here ]------------ # [ 61.997917] refcount_t: underflow; use-after-free. # [ 62.003289] WARNING: CPU: 2 PID: 2293 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 62.012629] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.039103] CPU: 2 PID: 2293 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 62.047683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.054491] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 62.060232] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 # [ 62.081225] RSP: 0018:ffffb43f02bf7e40 EFLAGS: 00010286 # [ 62.093275] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 62.107467] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 62.115471] RBP: ffffffff992bffa8 R08: 0000000000000000 R09: 0000000000000000 # [ 62.123443] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.131421] R13: ffffb43f02bf7f10 R14: ffffb43f02bf7f10 R15: ffff9b1ec5683000 # [ 62.139412] FS: 00007fdf25e0a580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 62.148488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.154929] CR2: 00007fdf25c23000 CR3: 00000001031be001 CR4: 00000000003706e0 # [ 62.162901] Call Trace: # [ 62.165633] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 62.171795] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 62.178022] direct_entry.cold+0x2c/0x38 # [ 62.182417] full_proxy_write+0x56/0x80 # [ 62.186734] vfs_write+0xea/0x390 # [ 62.190459] ksys_write+0x68/0xe0 # [ 62.194162] do_syscall_64+0x33/0x40 # [ 62.198179] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.203823] RIP: 0033:0x7fdf25d32f33 # [ 62.207816] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.228801] RSP: 002b:00007ffc4a446ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.237261] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdf25d32f33 # [ 62.245232] RDX: 000000000000001f RSI: 00007fdf25c23000 RDI: 0000000000000001 # [ 62.253203] RBP: 00007fdf25c23000 R08: 00007fdf25c22010 R09: 0000000000000000 # [ 62.261176] R10: 00007fdf25e2d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.269148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.277125] irq event stamp: 0 # [ 62.280563] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.287567] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.296707] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.305844] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.312845] ---[ end trace 0f2f4ca23f3d3d2e ]--- # [ 62.318001] 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 # [ 62.395432] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 62.404013] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 62.417343] lkdtm: Good: zero detected # [ 62.427740] lkdtm: Correctly stayed at zero # [ 62.438659] lkdtm: attempting bad refcount_inc() from zero # [ 62.450976] ------------[ cut here ]------------ # [ 62.462386] refcount_t: addition on 0; use-after-free. # [ 62.474340] WARNING: CPU: 0 PID: 2325 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 62.489890] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.522542] CPU: 0 PID: 2325 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 62.537319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.550358] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 62.562303] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d # [ 62.589514] RSP: 0018:ffffb43f02c87e48 EFLAGS: 00010286 # [ 62.601573] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 62.615837] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 62.629947] RBP: ffffffff992c0349 R08: 0000000000000000 R09: 0000000000000000 # [ 62.644150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.658344] R13: ffffb43f02c87f10 R14: ffffb43f02c87f10 R15: ffff9b1ec3163000 # [ 62.672543] FS: 00007fb859dea580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 62.687802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.700432] CR2: 00007fb859c03000 CR3: 0000000105c6e004 CR4: 00000000003706f0 # [ 62.714629] Call Trace: # [ 62.723582] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 62.734772] direct_entry.cold+0x2c/0x38 # [ 62.745370] full_proxy_write+0x56/0x80 # [ 62.755867] vfs_write+0xea/0x390 # [ 62.765774] ksys_write+0x68/0xe0 # [ 62.775696] do_syscall_64+0x33/0x40 # [ 62.785893] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.797749] RIP: 0033:0x7fb859d12f33 # [ 62.807964] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.835163] RSP: 002b:00007ffec2229408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.849847] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb859d12f33 # [ 62.864031] RDX: 0000000000000012 RSI: 00007fb859c03000 RDI: 0000000000000001 # [ 62.878225] RBP: 00007fb859c03000 R08: 00007fb859c02010 R09: 0000000000000000 # [ 62.892432] R10: 00007fb859e0d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.906605] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.920794] irq event stamp: 0 # [ 62.930423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.943658] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.958995] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.974388] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.987586] ---[ end trace 0f2f4ca23f3d3d2f ]--- # [ 62.998971] 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 # [ 63.144843] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 63.152933] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 63.166251] lkdtm: Good: zero detected # [ 63.176642] lkdtm: Correctly stayed at zero # [ 63.187514] lkdtm: attempting bad refcount_add() from zero # [ 63.199860] ------------[ cut here ]------------ # [ 63.211276] refcount_t: addition on 0; use-after-free. # [ 63.223244] WARNING: CPU: 0 PID: 2357 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 63.238776] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.271396] CPU: 0 PID: 2357 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 63.286147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.299173] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 63.311190] Code: 05 7a 1e 76 01 01 e8 53 1c 93 00 0f 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a 1e 76 01 01 e8 34 1c 93 00 <0f> 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d # [ 63.338398] RSP: 0018:ffffb43f02d07e48 EFLAGS: 00010286 # [ 63.350429] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 63.364619] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 63.378848] RBP: ffffffff992c035b R08: 0000000000000000 R09: 0000000000000000 # [ 63.393024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.407254] R13: ffffb43f02d07f10 R14: ffffb43f02d07f10 R15: ffff9b1ec4b85000 # [ 63.421430] FS: 00007f0fbb7e5580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 63.436712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.449388] CR2: 00007f0fbb5fe000 CR3: 0000000105412003 CR4: 00000000003706f0 # [ 63.463542] Call Trace: # [ 63.472519] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 63.483678] direct_entry.cold+0x2c/0x38 # [ 63.494309] full_proxy_write+0x56/0x80 # [ 63.504778] vfs_write+0xea/0x390 # [ 63.514705] ksys_write+0x68/0xe0 # [ 63.524606] do_syscall_64+0x33/0x40 # [ 63.534836] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.546680] RIP: 0033:0x7f0fbb70df33 # [ 63.556910] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.584097] RSP: 002b:00007fffdfd0b1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.598789] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0fbb70df33 # [ 63.612968] RDX: 0000000000000012 RSI: 00007f0fbb5fe000 RDI: 0000000000000001 # [ 63.627179] RBP: 00007f0fbb5fe000 R08: 00007f0fbb5fd010 R09: 0000000000000000 # [ 63.641362] R10: 00007f0fbb8081c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.655572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.669748] irq event stamp: 0 # [ 63.679385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.692591] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.707969] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.723309] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.736547] ---[ end trace 0f2f4ca23f3d3d30 ]--- # [ 63.747906] 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 # [ 63.862674] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 63.871270] lkdtm: attempting bad refcount_inc() from saturated # [ 63.884110] ------------[ cut here ]------------ # [ 63.895475] refcount_t: saturated; leaking memory. # [ 63.907072] WARNING: CPU: 0 PID: 2392 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 63.922607] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.955273] CPU: 0 PID: 2392 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 63.970053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.983081] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 63.995033] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a # [ 64.022245] RSP: 0018:ffffb43f02d77e48 EFLAGS: 00010286 # [ 64.034330] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 64.048613] RDX: ffff9b1f3ac2c660 RSI: ffff9b1f3ac1bf70 RDI: ffff9b1f3ac1bf70 # [ 64.062737] RBP: ffffffff992c036d R08: 0000000000000000 R09: 0000000000000000 # [ 64.077007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 64.091163] R13: ffffb43f02d77f10 R14: ffffb43f02d77f10 R15: ffff9b1ec4d8e000 # [ 64.105351] FS: 00007ffb06fd1580(0000) GS:ffff9b1f3ac00000(0000) knlGS:0000000000000000 # [ 64.120606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.133243] CR2: 00007ffb06dea000 CR3: 0000000104ea6001 CR4: 00000000003706f0 # [ 64.147441] Call Trace: # [ 64.156393] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 64.168056] direct_entry.cold+0x2c/0x38 # [ 64.178661] full_proxy_write+0x56/0x80 # [ 64.189165] vfs_write+0xea/0x390 # [ 64.199063] ksys_write+0x68/0xe0 # [ 64.208990] do_syscall_64+0x33/0x40 # [ 64.219197] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.231071] RIP: 0033:0x7ffb06ef9f33 # [ 64.241273] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.268468] RSP: 002b:00007ffc149d0ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.283137] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ffb06ef9f33 # [ 64.297331] RDX: 0000000000000017 RSI: 00007ffb06dea000 RDI: 0000000000000001 # [ 64.311517] RBP: 00007ffb06dea000 R08: 00007ffb06de9010 R09: 0000000000000000 # [ 64.325694] R10: 00007ffb06ff41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.339887] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.354079] irq event stamp: 0 # [ 64.363709] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.376925] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.392287] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.407631] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.420870] ---[ end trace 0f2f4ca23f3d3d31 ]--- # [ 64.432227] 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 # [ 64.532867] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 64.544299] lkdtm: attempting bad refcount_dec() from saturated # [ 64.550924] ------------[ cut here ]------------ # [ 64.556092] refcount_t: decrement hit 0; leaking memory. # [ 64.562061] WARNING: CPU: 3 PID: 2427 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 64.571401] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.604037] CPU: 3 PID: 2427 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 64.612622] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.619431] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 64.625174] Code: ff 48 c7 c7 10 be 25 99 c6 05 f6 1d 76 01 01 e8 d3 1b 93 00 0f 0b c3 48 c7 c7 e0 bd 25 99 c6 05 e1 1d 76 01 01 e8 bd 1b 93 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 64.646192] RSP: 0018:ffffb43f02e07e48 EFLAGS: 00010286 # [ 64.652030] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 64.660003] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 64.667977] RBP: ffffffff992c0384 R08: 0000000000000000 R09: 0000000000000000 # [ 64.675952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 64.683924] R13: ffffb43f02e07f10 R14: ffffb43f02e07f10 R15: ffff9b1ec32ba000 # [ 64.691899] FS: 00007f9567e1d580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 64.700939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.707381] CR2: 00007f9567c36000 CR3: 0000000103e76006 CR4: 00000000003706e0 # [ 64.715353] Call Trace: # [ 64.724302] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 64.735964] direct_entry.cold+0x2c/0x38 # [ 64.746559] full_proxy_write+0x56/0x80 # [ 64.750845] vfs_write+0xea/0x390 # [ 64.760762] ksys_write+0x68/0xe0 # [ 64.764463] do_syscall_64+0x33/0x40 # [ 64.768456] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.774098] RIP: 0033:0x7f9567d45f33 # [ 64.778089] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.799073] RSP: 002b:00007ffe4f434b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.807536] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9567d45f33 # [ 64.815539] RDX: 0000000000000017 RSI: 00007f9567c36000 RDI: 0000000000000001 # [ 64.823509] RBP: 00007f9567c36000 R08: 00007f9567c35010 R09: 0000000000000000 # [ 64.831481] R10: 00007f9567e401c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.839443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.847420] irq event stamp: 0 # [ 64.850827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.857831] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.866970] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.876106] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.883098] ---[ end trace 0f2f4ca23f3d3d32 ]--- # [ 64.888253] 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 # [ 64.986467] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 64.994160] lkdtm: attempting bad refcount_dec() from saturated # [ 65.006994] ------------[ cut here ]------------ # [ 65.018379] refcount_t: saturated; leaking memory. # [ 65.023743] WARNING: CPU: 1 PID: 2462 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 65.039275] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.071916] CPU: 1 PID: 2462 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 65.086707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.099751] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 65.111708] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 8a 1e 76 01 00 75 f2 48 c7 c7 60 bd 25 99 c6 05 7a 1e 76 01 01 e8 53 1c 93 00 <0f> 0b c3 80 3d 6a 1e 76 01 00 75 d3 48 c7 c7 88 bd 25 99 c6 05 5a # [ 65.132713] RSP: 0018:ffffb43f02e97e48 EFLAGS: 00010286 # [ 65.144757] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 65.152731] RDX: ffff9b1f3acac660 RSI: ffff9b1f3ac9bf70 RDI: ffff9b1f3ac9bf70 # [ 65.166912] RBP: ffffffff992c039b R08: 0000000000000000 R09: 0000000000000000 # [ 65.174882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.182854] R13: ffffb43f02e97f10 R14: ffffb43f02e97f10 R15: ffff9b1ec3e12000 # [ 65.197036] FS: 00007f8128c55580(0000) GS:ffff9b1f3ac80000(0000) knlGS:0000000000000000 # [ 65.206077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.218704] CR2: 00007f8128a6e000 CR3: 0000000104d9a003 CR4: 00000000003706e0 # [ 65.226676] Call Trace: # [ 65.235616] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 65.247279] direct_entry.cold+0x2c/0x38 # [ 65.257900] full_proxy_write+0x56/0x80 # [ 65.268423] vfs_write+0xea/0x390 # [ 65.278337] ksys_write+0x68/0xe0 # [ 65.288279] do_syscall_64+0x33/0x40 # [ 65.298485] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.304154] RIP: 0033:0x7f8128b7df33 # [ 65.314356] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.341554] RSP: 002b:00007ffc57844cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.356225] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8128b7df33 # [ 65.364200] RDX: 0000000000000017 RSI: 00007f8128a6e000 RDI: 0000000000000001 # [ 65.378380] RBP: 00007f8128a6e000 R08: 00007f8128a6d010 R09: 0000000000000000 # [ 65.386374] R10: 00007f8128c781c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.400545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.408521] irq event stamp: 0 # [ 65.418143] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.425145] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.440488] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.449625] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.462835] ---[ end trace 0f2f4ca23f3d3d33 ]--- # [ 65.467991] 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 # [ 65.573243] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 65.581094] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 65.588591] ------------[ cut here ]------------ # [ 65.593756] refcount_t: saturated; leaking memory. # [ 65.605331] WARNING: CPU: 3 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 65.620866] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.647319] CPU: 3 PID: 2494 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 65.662090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.668924] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 65.680866] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b # [ 65.701850] RSP: 0018:ffffb43f02f2fe38 EFLAGS: 00010282 # [ 65.707685] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 65.715655] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 65.723625] RBP: ffffffff992bffc8 R08: 0000000000000000 R09: 0000000000000000 # [ 65.731594] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 65.739558] R13: ffffb43f02f2ff10 R14: ffffb43f02f2ff10 R15: ffff9b1ec4be3000 # [ 65.747531] FS: 00007f3419e54580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 65.756568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.762985] CR2: 00007f3419c6d000 CR3: 00000001027ec002 CR4: 00000000003706e0 # [ 65.770956] Call Trace: # [ 65.773685] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 65.779812] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 65.786132] direct_entry.cold+0x2c/0x38 # [ 65.790512] full_proxy_write+0x56/0x80 # [ 65.794795] vfs_write+0xea/0x390 # [ 65.798493] ksys_write+0x68/0xe0 # [ 65.802192] do_syscall_64+0x33/0x40 # [ 65.806184] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.811825] RIP: 0033:0x7f3419d7cf33 # [ 65.815813] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.836796] RSP: 002b:00007ffcc7a9ef18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.845254] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3419d7cf33 # [ 65.853225] RDX: 0000000000000020 RSI: 00007f3419c6d000 RDI: 0000000000000001 # [ 65.861196] RBP: 00007f3419c6d000 R08: 00007f3419c6c010 R09: 0000000000000000 # [ 65.869168] R10: 00007f3419e771c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.883357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.891332] irq event stamp: 0 # [ 65.900947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.907949] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.917085] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.926220] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.933211] ---[ end trace 0f2f4ca23f3d3d34 ]--- # [ 65.938375] 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 # [ 66.034570] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 66.045161] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 66.052657] ------------[ cut here ]------------ # [ 66.057820] refcount_t: saturated; leaking memory. # [ 66.063196] WARNING: CPU: 3 PID: 2526 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 66.072533] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.105163] CPU: 3 PID: 2526 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 66.113716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.120523] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 66.126261] Code: 05 5a 1e 76 01 01 e8 34 1c 93 00 0f 0b c3 80 3d 4d 1e 76 01 00 75 b4 48 c7 c7 60 bd 25 99 c6 05 3d 1e 76 01 01 e8 15 1c 93 00 <0f> 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b # [ 66.147246] RSP: 0018:ffffb43f02fb7e38 EFLAGS: 00010282 # [ 66.153086] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 66.167273] RDX: ffff9b1f3adac660 RSI: ffff9b1f3ad9bf70 RDI: ffff9b1f3ad9bf70 # [ 66.181461] RBP: ffffffff992bffe8 R08: 0000000000000000 R09: 0000000000000000 # [ 66.189456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 66.197426] R13: ffffb43f02fb7f10 R14: ffffb43f02fb7f10 R15: ffff9b1ec2785000 # [ 66.205419] FS: 00007f9afb7b4580(0000) GS:ffff9b1f3ad80000(0000) knlGS:0000000000000000 # [ 66.214483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.220912] CR2: 00007f9afb5cd000 CR3: 000000010127a003 CR4: 00000000003706e0 # [ 66.235090] Call Trace: # [ 66.237822] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 66.243981] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 66.250328] direct_entry.cold+0x2c/0x38 # [ 66.254709] full_proxy_write+0x56/0x80 # [ 66.258992] vfs_write+0xea/0x390 # [ 66.262717] ksys_write+0x68/0xe0 # [ 66.266420] do_syscall_64+0x33/0x40 # [ 66.270425] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.276057] RIP: 0033:0x7f9afb6dcf33 # [ 66.280048] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.301032] RSP: 002b:00007ffca2ae3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.309490] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9afb6dcf33 # [ 66.317461] RDX: 0000000000000020 RSI: 00007f9afb5cd000 RDI: 0000000000000001 # [ 66.325432] RBP: 00007f9afb5cd000 R08: 00007f9afb5cc010 R09: 0000000000000000 # [ 66.333420] R10: 00007f9afb7d71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.341385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.349380] irq event stamp: 0 # [ 66.359002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.366005] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.375143] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.384279] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.391281] ---[ end trace 0f2f4ca23f3d3d35 ]--- # [ 66.396436] 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 # [ 66.496245] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 66.509453] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 66.516965] ------------[ cut here ]------------ # [ 66.522135] refcount_t: underflow; use-after-free. # [ 66.533713] WARNING: CPU: 2 PID: 2561 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 66.549251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.581883] CPU: 2 PID: 2561 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 66.590466] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.597308] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 66.603074] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 # [ 66.630264] RSP: 0018:ffffb43f03027e40 EFLAGS: 00010286 # [ 66.636102] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 66.644074] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 66.652044] RBP: ffffffff992c0008 R08: 0000000000000000 R09: 0000000000000000 # [ 66.660018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 66.667991] R13: ffffb43f03027f10 R14: ffffb43f03027f10 R15: ffff9b1ec378e000 # [ 66.675965] FS: 00007f69b64f7580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 66.685006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.691432] CR2: 00007f69b6310000 CR3: 0000000105686001 CR4: 00000000003706e0 # [ 66.699398] Call Trace: # [ 66.702130] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 66.708291] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 66.714643] direct_entry.cold+0x2c/0x38 # [ 66.719026] full_proxy_write+0x56/0x80 # [ 66.723342] vfs_write+0xea/0x390 # [ 66.727065] ksys_write+0x68/0xe0 # [ 66.730797] do_syscall_64+0x33/0x40 # [ 66.734792] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.740463] RIP: 0033:0x7f69b641ff33 # [ 66.744457] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.765445] RSP: 002b:00007ffd6313c118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.773903] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f69b641ff33 # [ 66.781877] RDX: 0000000000000020 RSI: 00007f69b6310000 RDI: 0000000000000001 # [ 66.789848] RBP: 00007f69b6310000 R08: 00007f69b630f010 R09: 0000000000000000 # [ 66.797821] R10: 00007f69b651a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.805794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.813772] irq event stamp: 0 # [ 66.823392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.830395] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.845746] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.854913] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.861915] ---[ end trace 0f2f4ca23f3d3d36 ]--- # [ 66.867071] 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 # [ 67.419930] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 67.430106] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 67.437610] ------------[ cut here ]------------ # [ 67.442767] refcount_t: underflow; use-after-free. # [ 67.448150] WARNING: CPU: 2 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 67.457488] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.490124] CPU: 2 PID: 2596 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 67.498680] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.505489] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 67.511227] Code: 05 3d 1e 76 01 01 e8 15 1c 93 00 0f 0b c3 80 3d 2b 1e 76 01 00 75 95 48 c7 c7 b8 bd 25 99 c6 05 1b 1e 76 01 01 e8 f6 1b 93 00 <0f> 0b c3 80 3d 0a 1e 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 be 25 # [ 67.532210] RSP: 0018:ffffb43f030b7e40 EFLAGS: 00010286 # [ 67.538049] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 67.546021] RDX: ffff9b1f3ad2c660 RSI: ffff9b1f3ad1bf70 RDI: ffff9b1f3ad1bf70 # [ 67.553994] RBP: ffffffff992c0028 R08: 0000000000000000 R09: 0000000000000000 # [ 67.561965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.569936] R13: ffffb43f030b7f10 R14: ffffb43f030b7f10 R15: ffff9b1ec4be3000 # [ 67.577907] FS: 00007f408233f580(0000) GS:ffff9b1f3ad00000(0000) knlGS:0000000000000000 # [ 67.586945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.593379] CR2: 00007f4082158000 CR3: 00000001032d0002 CR4: 00000000003706e0 # [ 67.601350] Call Trace: # [ 67.610292] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 67.616445] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 67.622769] direct_entry.cold+0x2c/0x38 # [ 67.627174] full_proxy_write+0x56/0x80 # [ 67.631482] vfs_write+0xea/0x390 # [ 67.635182] ksys_write+0x68/0xe0 # [ 67.638883] do_syscall_64+0x33/0x40 # [ 67.642899] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.648542] RIP: 0033:0x7f4082267f33 # [ 67.652556] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.673540] RSP: 002b:00007ffca49bf818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.681999] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4082267f33 # [ 67.689971] RDX: 0000000000000020 RSI: 00007f4082158000 RDI: 0000000000000001 # [ 67.697944] RBP: 00007f4082158000 R08: 00007f4082157010 R09: 0000000000000000 # [ 67.705915] R10: 00007f40823621c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.720101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.728079] irq event stamp: 0 # [ 67.737698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.744732] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.753903] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.763070] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.770077] ---[ end trace 0f2f4ca23f3d3d37 ]--- # [ 67.775254] 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 # [ 68.010545] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 68.017826] lkdtm: attempting good copy_to_user of correct size # [ 68.030662] 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 # [ 68.196093] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 68.205888] lkdtm: attempting good copy_from_user of correct size # [ 68.218933] 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 # [ 68.356703] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 68.369798] lkdtm: attempting good copy_to_user inside whitelist # [ 68.382717] 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 # [ 68.473003] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 68.483905] lkdtm: attempting good copy_from_user inside whitelist # [ 68.490827] 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 # [ 68.636732] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 68.647802] lkdtm: good_stack: ffffb43f03467e20-ffffb43f03467e40 # [ 68.660732] lkdtm: bad_stack : ffffb43f03467da8-ffffb43f03467dc8 # [ 68.673664] lkdtm: attempting good copy_to_user of local stack # [ 68.686424] 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 # [ 68.816241] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 68.824539] lkdtm: good_stack: ffffb43f034d7e20-ffffb43f034d7e40 # [ 68.831257] lkdtm: bad_stack : ffffb43f034d7da8-ffffb43f034d7dc8 # [ 68.844194] lkdtm: attempting good copy_from_user of local stack # [ 68.850916] 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 # [ 68.943887] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 68.951503] lkdtm: good_stack: ffffb43f0354fe20-ffffb43f0354fe40 # [ 68.964434] lkdtm: bad_stack : ffffb43f0354fff8-ffffb43f03550018 # [ 68.977369] lkdtm: attempting good copy_to_user of local stack # [ 68.990130] lkdtm: attempting bad copy_to_user of distant stack # [ 69.002953] 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 # [ 69.102648] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 69.114347] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff98ed9f10 # [ 69.123017] lkdtm: attempting bad copy_to_user from kernel text: ffffffff97cd1460 # [ 69.131395] 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 # [ 69.251373] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 69.261473] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 69.269362] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 69.277148] lkdtm: FAIL: the thread stack is NOT properly erased # [ 69.283857] CPU: 3 PID: 2961 Comm: cat Tainted: G D W 5.10.124-cip9 #1 # [ 69.292409] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.299210] Call Trace: # [ 69.301941] dump_stack+0x77/0x97 # [ 69.305640] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 69.310792] direct_entry.cold+0x2c/0x38 # [ 69.315171] full_proxy_write+0x56/0x80 # [ 69.319450] vfs_write+0xea/0x390 # [ 69.323139] ksys_write+0x68/0xe0 # [ 69.326828] do_syscall_64+0x33/0x40 # [ 69.330808] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.336447] RIP: 0033:0x7fd3292b8f33 # [ 69.340425] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.361415] RSP: 002b:00007ffe614b98c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.369869] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd3292b8f33 # [ 69.377837] RDX: 0000000000000012 RSI: 00007fd3291a9000 RDI: 0000000000000001 # [ 69.385804] RBP: 00007fd3291a9000 R08: 00007fd3291a8010 R09: 0000000000000000 # [ 69.393770] R10: 00007fd3293b31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.401737] 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 # [ 69.534486] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 69.546863] lkdtm: Calling matched prototype ... # [ 69.552033] lkdtm: Calling mismatched prototype ... # [ 69.557479] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #