[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 24203 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 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: 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: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376151 run 170163 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 8969 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 8960 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 8971 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 8963 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 8967 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90915 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107692 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 14139 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 14143 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 22365 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 53520 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 13863 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11322 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9257 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 10037 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 465901 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486002 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 825673 exit 39267 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 2114104 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 298 run 139332 exit 19033 Initializing devices... Root Device init ... Chrome EC: Set SMI mask to 0x0000000000000001 Chrome EC: Set S5 LAZY WAKE mask to 0x0000000000000006 Chrome EC: Set S3 LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set S0iX LAZY WAKE mask to 0x0000000010001006 Chrome EC: Set WAKE mask to 0x0000000000000000 Root Device init finished in 30852 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2446 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 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 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5966 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2250 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 23483 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 23831 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2261 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2392 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 24454 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 2022-10-15 12:30:39 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-15 12:30:39 UTC ELOG: Event(92) added with size 9 at 2022-10-15 12:30:39 UTC ELOG: Event(9A) added with size 9 at 2022-10-15 12:30:39 UTC ELOG: Event(AD) added with size 10 at 2022-10-15 12:30:39 UTC ELOG: Event(9F) added with size 14 at 2022-10-15 12:30:39 UTC BS: BS_DEV_INIT times (us): entry 0 run 417128 exit 60084 ELOG: Event(A1) added with size 10 at 2022-10-15 12:30:39 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-15 12:30:39 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 25728 run 3969 exit 5204 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 8afd 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 533909 exit 146376 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 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 603 run 260140 exit 135343 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 7593445/tftp-deploy-jztr999o/kernel/bzImage 7593445/tftp-deploy-jztr999o/kernel/cmdline 7593445/tftp-deploy-jztr999o/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7593445/tftp-deploy-jztr999o/kernel/bzImoy-jztr999o/kernel/cmdline 7593445/tftp-deploy-jztr999o/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:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7593445/tftp-deploy-jztr999o/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################## done. The bootfile was 13869888 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: 7593445/tftp-deploy-jztr999o/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/7593445/extract-nfsrootfs-8g8g7g0_,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: 18838304 Starting kernel ... [ 0.000000] Linux version 5.10.148-cip18 (KernelCI@build-j316011-x86-64-gcc-10-x86-64-defconfig-x86-chromeboov6wcq) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Oct 15 12:23:27 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/7593445/extract-nfsrootfs-8g8g7g0_,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 [ 0.000047] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001165] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006014] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020422] check: Scanning 1 areas for low memory corruption [ 0.020432] Using GB pages for direct mapping [ 0.020987] RAMDISK: [mem 0x377c3000-0x37ffefff] [ 0.020993] ACPI: Early table checksum verification disabled [ 0.021000] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.021015] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021029] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021042] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.021053] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021062] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021072] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.021082] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021092] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021102] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.021112] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.021122] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021132] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.021142] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021152] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.021156] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.021160] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021164] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021168] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.021172] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.021176] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.021180] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.021184] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.021188] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.021191] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.021195] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021326] No NUMA configuration found [ 0.021331] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021339] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.021376] Zone ranges: [ 0.021380] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021386] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021392] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021398] Movable zone start for each node [ 0.021402] Early memory node ranges [ 0.021406] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021411] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021415] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021420] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021449] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021487] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031530] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031594] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031618] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031962] ACPI: PM-Timer IO Port: 0x1808 [ 0.032012] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.032023] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.032028] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.032039] Using ACPI (MADT) for SMP configuration information [ 0.032044] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.032050] TSC deadline timer available [ 0.032054] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.032077] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.032082] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.032087] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.032090] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.032094] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.032097] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.032100] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.032104] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.032107] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.032111] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.032114] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.032117] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.032121] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.032124] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.032128] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.032135] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.032150] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.043111] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.043332] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.043395] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.043399] Policy zone: Normal [ 0.043411] 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/7593445/extract-nfsrootfs-8g8g7g0_,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.043832] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.044025] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.044098] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062719] Memory: 3888360K/4089052K available (18450K kernel code, 3458K rwdata, 6764K rodata, 2032K init, 13308K bss, 200432K reserved, 0K cma-reserved) [ 0.062858] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062912] Kernel/User page tables isolation: enabled [ 0.062984] ftrace: allocating 52740 entries in 207 pages [ 0.109914] ftrace: allocated 207 pages with 6 groups [ 0.110160] Running RCU self tests [ 0.110173] rcu: Hierarchical RCU implementation. [ 0.110177] rcu: RCU event tracing is enabled. [ 0.110180] rcu: RCU lockdep checking is enabled. [ 0.110185] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.110189] Rude variant of Tasks RCU enabled. [ 0.110192] Tracing variant of Tasks RCU enabled. [ 0.110196] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.110200] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.118998] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.119428] random: crng init done [ 0.119521] Console: colour dummy device 80x25 [ 0.194679] printk: console [ttyS0] enabled [ 0.195046] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.195707] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.196067] ... MAX_LOCK_DEPTH: 48 [ 0.196428] ... MAX_LOCKDEP_KEYS: 8192 [ 0.196810] ... CLASSHASH_SIZE: 4096 [ 0.197186] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.197568] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.197951] ... CHAINHASH_SIZE: 32768 [ 0.198334] memory used by lock dependency info: 6365 kB [ 0.198801] memory used for stack traces: 4224 kB [ 0.199219] per task-struct memory footprint: 1920 bytes [ 0.199733] ACPI: Core revision 20200925 [ 0.200279] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.200778] APIC: Switch to symmetric I/O mode setup [ 0.205218] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.206133] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.207038] pid_max: default: 32768 minimum: 301 [ 0.207118] LSM: Security Framework initializing [ 0.207118] SELinux: Initializing. [ 0.207118] LSM support for eBPF active [ 0.207118] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207118] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207118] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.207118] process: using mwait in idle threads [ 0.207118] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.207118] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.207118] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.207118] Spectre V2 : Mitigation: IBRS [ 0.207118] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.207118] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.207118] RETBleed: Mitigation: IBRS [ 0.207118] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.207118] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.207118] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207118] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207118] SRBDS: Vulnerable: No microcode [ 0.207118] ------------[ cut here ]------------ [ 0.207118] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.207118] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.207118] Modules linked in: [ 0.207118] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.148-cip18 #1 [ 0.207118] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.207118] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.207118] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 e8 01 cc a5 c6 05 9d 49 e4 01 01 e8 76 8a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.207118] RSP: 0000:ffffffffa6003de0 EFLAGS: 00010282 [ 0.207118] RAX: 0000000000000000 RBX: ffffffffa6ad2adc RCX: 0000000000000000 [ 0.207118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa457a891 [ 0.207118] RBP: ffffffffa599b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.207118] R10: ffffffffa608fbc0 R11: 3fffffffffffffff R12: ffffffffa6ae9c50 [ 0.207118] R13: cccccccccccccccc R14: ffffffffa599b325 R15: 0000000000000004 [ 0.207118] FS: 0000000000000000(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 0.207118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.207118] CR2: ffff90c330001000 CR3: 000000012e826001 CR4: 00000000003706f0 [ 0.207118] Call Trace: [ 0.207118] alternative_instructions+0x7d/0x143 [ 0.207118] check_bugs+0xedd/0xf39 [ 0.207118] start_kernel+0x517/0x54d [ 0.207118] secondary_startup_64_no_verify+0xc2/0xcb [ 0.207118] irq event stamp: 162089 [ 0.207118] hardirqs last enabled at (162097): [] console_unlock+0x4d1/0x5f0 [ 0.207118] hardirqs last disabled at (162104): [] console_unlock+0x444/0x5f0 [ 0.207118] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.207118] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.207118] ---[ end trace 588c6fe2f2edbaec ]--- [ 0.# 207118] Freeing SMP alternatives memory: 44K [ 0.207118] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.207783] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.208134] ... version: 4 [ 0.208491] ... bit width: 48 [ 0.208852] ... generic registers: 4 [ 0.209124] ... value mask: 0000ffffffffffff [ 0.209589] ... max period: 00007fffffffffff [ 0.210051] ... fixed-purpose events: 3 [ 0.210124] ... event mask: 000000070000000f [ 0.211105] rcu: Hierarchical SRCU implementation. [ 0.213023] smp: Bringing up secondary CPUs ... [ 0.213878] x86: Booting SMP configuration: [ 0.214140] .... node #0, CPUs: #1 [ 0.215180] 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. [ 0.216154] 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. [ 0.217804] #2 #3 [ 0.219933] smp: Brought up 1 node, 4 CPUs [ 0.220486] smpboot: Max logical packages: 1 [ 0.220864] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.223476] devtmpfs: initialized [ 0.224238] x86/mm: Memory block size: 128MB [ 0.228346] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.229141] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.230143] pinctrl core: initialized pinctrl subsystem [ 0.230964] PM: RTC time: 12:30:53, date: 2022-10-15 [ 0.231651] NET: Registered protocol family 16 [ 0.232760] audit: initializing netlink subsys (disabled) [ 0.233168] audit: type=2000 audit(1665837053.027:1): state=initialized audit_enabled=0 res=1 [ 0.233835] thermal_sys: Registered thermal governor 'step_wise' [ 0.233911] thermal_sys: Registered thermal governor 'user_space' [ 0.234202] cpuidle: using governor menu [ 0.235248] ACPI: bus type PCI registered [ 0.235956] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.236133] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.236751] PCI: Using configuration type 1 for base access [ 0.260326] Kprobes globally optimized [ 0.260697] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.261139] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.261907] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.264416] ACPI: Added _OSI(Module Device) [ 0.265131] ACPI: Added _OSI(Processor Device) [ 0.265525] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.265938] ACPI: Added _OSI(Processor Aggregator Device) [ 0.266142] ACPI: Added _OSI(Linux-Dell-Video) [ 0.266538] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.267002] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.279922] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.288362] ACPI: EC: EC started [ 0.288672] ACPI: EC: interrupt blocked [ 0.289807] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.290130] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.290766] ACPI: Interpreter enabled [ 0.291155] ACPI: (supports S0 S3 S4 S5) [ 0.291506] ACPI: Using IOAPIC for interrupt routing [ 0.292018] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.309930] ACPI: Power Resource [PRIC] (on) [ 0.439161] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.439708] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.440436] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.441102] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.441758] PCI host bridge to bus 0000:00 [ 0.442126] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.442715] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.443127] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.443773] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.444126] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.444770] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.445126] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.445771] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.446126] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.446771] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.447126] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.447771] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.448126] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.448771] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.449126] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.449770] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.450126] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.450771] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.451126] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.451771] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.452127] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.452691] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.454159] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.454704] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.455140] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.455774] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.456800] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.457150] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.458538] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.459085] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.459815] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.460163] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.460887] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.461938] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.462164] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.463465] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.464024] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.464990] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.465171] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.466651] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.467174] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.467783] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.468961] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.469171] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.470654] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.471322] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.472661] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.473171] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.474625] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.475171] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.476614] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.477164] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.478711] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.479165] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.480575] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.481916] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.482163] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.483504] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.484061] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.484184] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.484871] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.485930] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.486191] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.486847] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.487903] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.488158] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.489778] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.490465] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.492279] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.494752] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.495142] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.497094] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.498047] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.498422] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.499349] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.500276] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.501203] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.502126] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503049] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.509159] ACPI: EC: interrupt unblocked [ 0.509526] ACPI: EC: event unblocked [ 0.509862] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.510126] ACPI: EC: GPE=0x6e [ 0.510408] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.511019] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.511552] iommu: Default domain type: Translated [ 0.512301] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.512731] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.513157] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.513658] vgaarb: loaded [ 0.514442] SCSI subsystem initialized [ 0.514807] ACPI: bus type USB registered [ 0.515284] usbcore: registered new interface driver usbfs [ 0.515820] usbcore: registered new interface driver hub [ 0.516164] usbcore: registered new device driver usb [ 0.516726] pps_core: LinuxPPS API ver. 1 registered [ 0.517125] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.517916] PTP clock support registered [ 0.518353] Advanced Linux Sound Architecture Driver Initialized. [ 0.520089] NetLabel: Initializing [ 0.520126] NetLabel: domain hash size = 128 [ 0.520511] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.521071] NetLabel: unlabeled traffic allowed by default [ 0.521248] PCI: Using ACPI for IRQ routing [ 0.529466] clocksource: Switched to clocksource tsc-early [ 0.923914] VFS: Disk quotas dquot_6.6.0 [ 0.924332] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.925327] pnp: PnP ACPI init [ 0.926434] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.927013] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.927610] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.928204] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.928781] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.929374] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.929980] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.930601] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.931194] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.931771] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.933304] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.934227] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.934992] system 00:04: [io 0x0200] has been reserved [ 0.935480] system 00:04: [io 0x0204] has been reserved [ 0.935949] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.936485] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.939771] pnp: PnP ACPI: found 6 devices [ 0.954010] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.954902] NET: Registered protocol family 2 [ 0.955442] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.957583] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.958552] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.959452] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.961751] TCP: Hash tables configured (established 32768 bind 32768) [ 0.962621] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.963535] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.964376] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.965369] NET: Registered protocol family 1 [ 0.966418] RPC: Registered named UNIX socket transport module. [ 0.966956] RPC: Registered udp transport module. [ 0.967394] RPC: Registered tcp transport module. [ 0.967810] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.968915] NET: Registered protocol family 44 [ 0.969345] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.969796] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.970415] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.970951] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.971497] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.972091] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.972751] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.973360] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.973956] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.974570] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.975186] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.975789] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.976401] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.977003] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.977616] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.978273] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.978875] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.979489] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.980092] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.980706] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.981336] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.981940] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.982553] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.983590] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.986304] PCI: CLS 64 bytes, default 64 [ 0.987037] Unpacking initramfs... [ 1.258443] Freeing initrd memory: 8432K [ 1.258870] DMAR: Host address width 39 [ 1.259259] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.259783] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.260521] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.261065] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.261557] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.262343] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.262903] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.263798] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.264507] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.265008] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.265580] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.266051] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.266554] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.268720] kvm: already loaded the other module [ 1.272824] check: Scanning for low memory corruption every 60 seconds [ 1.276489] Initialise system trusted keyrings [ 1.277116] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.297037] NFS: Registering the id_resolver key type [ 1.297541] Key type id_resolver registered [ 1.297935] Key type id_legacy registered [ 1.315175] Key type asymmetric registered [ 1.315564] Asymmetric key parser 'x509' registered [ 1.316038] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.316710] io scheduler mq-deadline registered [ 1.317111] io scheduler kyber registered [ 1.317680] test_firmware: interface ready [ 1.319569] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.321344] ACPI: AC Adapter [AC] (on-line) [ 1.322087] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.323760] ACPI: Lid Switch [LID0] [ 1.324343] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.325239] ACPI: Power Button [PWRF] [ 1.326003] ACPI: \_PR_.CP00: Found 3 idle states [ 1.327108] ACPI: \_PR_.CP01: Found 3 idle states [ 1.328108] ACPI: \_PR_.CP02: Found 3 idle states [ 1.329105] ACPI: \_PR_.CP03: Found 3 idle states [ 1.330517] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.333356] hpet_acpi_add: no address or irqs in _CRS [ 1.334026] Non-volatile memory driver v1.3 [ 1.334598] Linux agpgart interface v0.103 [ 1.335018] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.337715] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.390664] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.392044] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.392979] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.394198] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.428609] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.433064] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.453100] loop: module loaded [ 1.454334] lkdtm: No crash points registered, enable through debugfs [ 1.480776] printk: console [ttyS0] disabled [ 1.481442] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.285229] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.294154] printk: console [ttyS0] enabled [ 2.302605] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.322861] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.922764] clocksource: Switched to clocksource tsc [ 4.922879] fbcon: i915drmfb (fb0) is primary device [ 4.925387] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.934283] e100: Intel(R) PRO/100 Network Driver [ 4.934287] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.934351] e1000: Intel(R) PRO/1000 Network Driver [ 4.934354] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.934439] e1000e: Intel(R) PRO/1000 Network Driver [ 4.934442] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.934529] sky2: driver version 1.30 [ 4.934941] usbcore: registered new interface driver r8152 [ 4.935368] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.935389] ehci-pci: EHCI PCI platform driver [ 4.935460] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.935476] ohci-pci: OHCI PCI platform driver [ 4.935539] uhci_hcd: USB Universal Host Controller Interface driver [ 4.936967] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.937389] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.939740] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.941260] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.941324] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.944166] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.944184] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.944189] usb usb1: Product: xHCI Host Controller [ 4.944193] usb usb1: Manufacturer: Linux 5.10.148-cip18 xhci-hcd [ 4.944210] usb usb1: SerialNumber: 0000:00:14.0 [ 4.946699] hub 1-0:1.0: USB hub found [ 4.946988] hub 1-0:1.0: 12 ports detected [ 4.953040] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.953712] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.953782] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.954409] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.954419] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.954423] usb usb2: Product: xHCI Host Controller [ 4.954427] usb usb2: Manufacturer: Linux 5.10.148-cip18 xhci-hcd [ 4.954444] usb usb2: SerialNumber: 0000:00:14.0 [ 4.956528] hub 2-0:1.0: USB hub found [ 4.956694] hub 2-0:1.0: 6 ports detected [ 4.960358] usbcore: registered new interface driver usblp [ 4.960504] usbcore: registered new interface driver usb-storage [ 4.961238] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.961279] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.961441] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.961462] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.962406] Console: switching [ 4.962410] i8042: Warning: Keylock active [ 4.962413] to colour frame buffer device 240x67 [ 4.962726] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.965802] rtc_cmos 00:02: RTC can wake from S4 [ 4.969215] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.970621] rtc_cmos 00:02: registered as rtc0 [ 4.970885] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.972302] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.972352] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.973610] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.975494] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.975538] intel_pstate: Intel P-state driver initializing [ 4.976449] intel_pstate: HWP enabled [ 4.976487] sdhci: Secure Digital Host Controller Interface driver [ 4.976488] sdhci: Copyright(c) Pierre Ossman [ 4.976524] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.977702] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.982700] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.988451] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.057107] 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 [ 5.062470] hid: raw HID events driver (C) Jiri Kosina [ 5.200180] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.201158] usbcore: registered new interface driver usbhid [ 5.334520] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.335595] usbhid: USB HID core driver [ 5.344911] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.345076] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.356093] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.403171] mmc0: new HS400 MMC card at address 0001 [ 5.412465] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.418808] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.425580] netem: version 1.3 [ 5.431251] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.440401] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.444723] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.457771] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.458141] gre: GRE over IPv4 demultiplexor driver [ 5.458143] ip_gre: GRE over IPv4 tunneling driver [ 5.459035] IPv4 over IPsec tunneling driver [ 5.459358] Initializing XFRM netlink socket [ 5.460028] NET: Registered protocol family 10 [ 5.461050] Segment Routing with IPv6 [ 5.461860] ip6_gre: GRE over IPv6 tunneling driver [ 5.462222] NET: Registered protocol family 17 [ 5.462326] Key type dns_resolver registered [ 5.466289] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.472962] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.506091] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.510535] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.524008] microcode: Microcode Update Driver: v2.2. [ 5.529455] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.534828] IPI shorthand broadcast: enabled [ 5.539595] usb 2-3: Product: USB 10/100/1000 LAN [ 5.539597] usb 2-3: Manufacturer: Realtek [ 5.539600] usb 2-3: SerialNumber: 001000001 [ 5.628183] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.632096] sched_clock: Marking stable (5545336042, 86726134)->(5722014953, -89952777) [ 5.648656] registered taskstats version 1 [ 5.653270] Loading compiled-in X.509 certificates [ 5.659492] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.662030] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.679333] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.683904] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.689003] PM: Magic number: 10:900:531 [ 5.699584] printk: console [netcon0] enabled [ 5.704461] netconsole: network logging started [ 5.799004] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.808192] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.816195] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.821571] usb 1-9: Manufacturer: Azurewave [ 5.826365] usb 1-9: SerialNumber: 0x0001 [ 5.838857] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.884613] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.935105] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.975017] r8152 2-3:1.0 eth0: v1.11.11 [ 5.980000] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.980572] IP-Config: Failed to open gretap0 [ 5.993148] IP-Config: Failed to open erspan0 [ 6.014342] Sending DHCP requests . [ 7.569110] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.580594] r8152 2-3:1.0 eth0: carrier on [ 8.584279] ., OK [ 8.594549] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17 [ 8.603539] IP-Config: Complete: [ 8.607179] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1 [ 8.618869] host=asus-C433TA-AJ0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) [ 8.628129] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.628131] nameserver0=192.168.201.1 [ 8.640998] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.652658] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.655848] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.660005] modprobe (101) used greatest stack depth: 14120 bytes left [ 8.667410] ALSA device list: [ 8.678151] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.679159] No soundcards found. [ 8.687843] cfg80211: failed to load regulatory.db [ 8.697494] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.707435] Freeing unused kernel image (initmem) memory: 2032K [ 8.722392] Write protecting the kernel read-only data: 28672k [ 8.730183] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.738178] Freeing unused kernel image (rodata/data gap) memory: 1428K [ 8.745691] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.767958] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 8.820170] udevadm (124) used greatest stack depth: 13576 bytes left [ 8.970298] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.979357] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.013477] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.072188] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.082544] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.095205] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.111028] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.121508] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.131435] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da 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: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.17 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-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.302845] nfsmount (163) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.551096] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.590436] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.623901] systemd[1]: Set hostname to . [ 11.364305] systemd[1]: Queued start job for default target Graphical Interface. [ 11.376104] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.391807] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.407798] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.424787] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.440682] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.459571] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.481347] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.504431] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.520419] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.531380] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.547464] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.558382] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.569688] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.587531] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.604622] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.620888] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.636447] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.656114] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.671809] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.689239] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.705979] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.723913] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.738974] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.762174] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.781871] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.799244] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.813148] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.854505] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.864994] fuse: init (API version 7.32) [ 11.871518] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.889284] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.902910] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.920871] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.938645] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.954586] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.970482] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.985474] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 12.001517] 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. [ 12.024201] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.031446] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.048230] systemd[1]: modprobe@drm.service: Succeeded. [ 12.055000] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.072241] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.079109] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 12.095113] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 12.109607] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[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... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0[ 12.202891] systemd-journald[197]: Received client request to flush runtime journal. m. [[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. [ 13.734208] systemd-tmpfile (209) 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] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[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] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[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] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.148-cip18 #1 SMP Sat Oct 15 12:23:27 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/7593445/extract-nfsrootfs-8g8g7g0_' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7593445/extract-nfsrootfs-8g8g7g0_' / # 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-7593445/environment . /lava-7593445/environment / # /lava-7593445/bin/lava-test-runner /lava-7593445/0 /lava-7593445/bin/lava-test-runner /lava-7593445/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7593445/0/tests/0_timesync-off ++ cat uuid + UUID=7593445_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-7593445/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7593445_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/v5.10.147-cip18-56-g87bd4289362be/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-7593445/0/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 (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-15 12:31:29-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.147-cip18-56-g87bd4289362be/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: 3541132 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 175KB/s kselftest.tar.xz 6%[> ] 219.84K 380KB/s kselftest.tar.xz 25%[====> ] 898.59K 1.01MB/s kselftest.tar.xz 40%[=======> ] 1.35M 1.11MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.53MB/s in 1.3s 2022-10-15 12:31:31 (2.53 MB/s) - 'kselftest.tar.xz' saved [3541132/3541132] 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 ======================================== [ 50.039567] 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 [ 50.320372] lkdtm: Performing direct entry BUG [ 50.325433] ------------[ cut here ]------------ [ 50.330615] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 50.336478] invalid opcode: 0000 [#1] SMP PTI [ 50.341351] CPU: 2 PID: 722 Comm: cat Tainted: G W 5.10.148-cip18 #1 [ 50.349904] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.356713] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.361096] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 50.382077] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 50.387912] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.395873] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 50.403843] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 50.411805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.419774] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 50.427744] FS: 00007fd491ead580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 [ 50.436773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.443179] CR2: 00007fd491cb6000 CR3: 0000000103df0004 CR4: 00000000003706e0 [ 50.451158] Call Trace: [ 50.453885] direct_entry.cold+0x2c/0x38 [ 50.458269] full_proxy_write+0x53/0x80 [ 50.462557] vfs_write+0xe7/0x3a0 [ 50.466253] ksys_write+0x68/0xf0 [ 50.469951] do_syscall_64+0x30/0x40 [ 50.473941] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.479582] RIP: 0033:0x7fd491dc38f3 [ 50.483570] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.504544] RSP: 002b:00007ffddb67c0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.513000] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd491dc38f3 [ 50.520970] RDX: 0000000000000004 RSI: 00007fd491cb6000 RDI: 0000000000000001 [ 50.528931] RBP: 00007fd491cb6000 R08: 00007fd491cb5010 R09: 0000000000000000 [ 50.536901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.544871] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.552836] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.579306] ---[ end trace 588c6fe2f2edbaee ]--- [ 50.584471] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.588857] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 50.609874] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 50.615718] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.623696] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 50.631670] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 50.639671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.647645] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 50.655648] FS: 00007fd491ead580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 [ 50.664719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.671165] CR2: 00007fd491cb6000 CR3: 0000000103df0004 CR4: 00000000003706e0 # Segmentation fault # [ 50.320372] lkdtm: Performing direct entry BUG # [ 50.325433] ------------[ cut here ]------------ # [ 50.330615] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 50.336478] invalid opcode: 0000 [#1] SMP PTI # [ 50.341351] CPU: 2 PID: 722 Comm: cat Tainted: G W 5.10.148-cip18 #1 # [ 50.349904] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.356713] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.361096] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 50.382077] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 50.387912] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.395873] RDX: 00000000000[ 50.770005] lkdtm: Performing direct entry WARNING [ 50.779796] ------------[ cut here ]------------ [ 50.784995] WARNING: CPU: 2 PID: 758 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 50.794428] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 50.4038[ 50.820884] CPU: 2 PID: 758 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 50.835647] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.842454] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 50.847320] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 db [ 50.868309] RSP: 0018:ffff9cef814f7e60 EFLAGS: 00010202 [ 50.874160] RAX: ffffffffa4cde9c0 RBX: 0000000000000002 RCX: 0000000000000000 43] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 00000000000[ 50.882133] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599aea0 [ 50.896320] RBP: ffffffffa5d81eb7 R08: 0000000000000000 R09: 0000000000000000 [ 50.904325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 50.912299] R13: ffff9cef814f7f10 R14: ffff9cef814f7f10 R15: ffff90c3013d1000 [ 50.920273] FS: 00007f9e4b205580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 [ 50.929317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.935736] CR2: 00007f9e4b00e000 CR3: 0000000104c82001 CR4: 00000000003706e0 [ 50.943731] Call Trace: 00001 # [ 50.411805] R10: 00000000ffffe000 R11: 3ffffffffffff[ 50.946475] direct_entry.cold+0x2c/0x38 [ 50.957062] full_proxy_write+0x53/0x80 [ 50.961377] vfs_write+0xe7/0x3a0 [ 50.965077] ksys_write+0x68/0xf0 [ 50.968780] do_syscall_64+0x30/0x40 [ 50.972772] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.978415] RIP: 0033:0x7f9e4b11b8f3 [ 50.982407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.003395] RSP: 002b:00007ffd12564428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.011855] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f9e4b11b8f3 [ 51.019828] RDX: 0000000000000008 RSI: 00007f9e4b00e000 RDI: 0000000000000001 [ 51.027801] RBP: 00007f9e4b00e000 R08: 00007f9e4b00d010 R09: 0000000000000000 [ 51.035775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.043747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.051724] irq event stamp: 0 [ 51.055163] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.062168] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fff R12: 0000000000000004 # [ 50.419774] R13: ffff9cef8142ff1[ 51.071308] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.086657] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.093651] ---[ end trace 588c6fe2f2edbaef ]--- 0 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 50.427744] FS: 00007fd491ead580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 # [ 50.436773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.443179] CR2: 00007fd491cb6000 CR3: 0000000103df0004 CR4: 00000000003706e0 # [ 50.451158] Call Trace: # [ 50.453885] direct_entry.cold+0x2c/0x38 # [ 50.458269] full_proxy_write+0x53/0x80 # [ 50.462557] vfs_write+0xe7/0x3a0 # [ 50.466253] ksys_write+0x68/0xf0 # [ 50.469951] do_syscall_64+0x30/0x40 # [ 50.473941] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.479582] RIP: 0033:0x7fd491dc38f3 # [ 50.483570] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.504544] RSP: 002b:00007ffddb67c0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.513000] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd491dc38f3 # [ 50.520970] RDX: 0000000000000004 RSI: 00007fd491[ 51.200723] lkdtm: Performing direct entry WARNING_MESSAGE cb6000 RDI: 0000000000000001 # [ 50.528931] RBP: 00007fd491cb[ 51.210686] ------------[ cut here ]------------ 6000 R08: 00007fd491cb5010 R09: 0000000000000000 # [ 50.53690[ 51.222067] Warning message trigger count: 2 1] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000[ 51.233089] WARNING: CPU: 0 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 0001 # [ 50.544871] R13: 0000000000000001 R14: 00000000000200[ 51.249517] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 R15: 0000000000020000 # [ 50.552836] Modules linked in: fu[ 51.282112] CPU: 0 PID: 793 Comm: cat Tainted: G D W 5.10.148-cip18 #1 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 51.296939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 riggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lig[ 51.309990] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 htbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_[ 51.321825] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 db 92 02 48 c7 c7 18 24 d8 a5 8d 70 01 89 35 31 db 92 02 e8 0b 2e 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.579306] ---[ 51.348991] RSP: 0018:ffff9cef81577e60 EFLAGS: 00010286 [ end trace 588c6fe2f2edbaee ]--- # [ 50.584471] RIP: 0010:lk[ 51.361046] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 dtm_BUG+0x5/0x10 # [ 50.588857] Code: 89 ff e8 6e b5 a3 ff 48[ 51.375214] RDX: ffff90c37ac2c660 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 51.389407] RBP: ffffffffa5d81ebf R08: 0000000000000000 R09: 0000000000000000 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 51.403591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 50.609874] RSP[ 51.417802] R13: ffff9cef81577f10 R14: ffff9cef81577f10 R15: ffff90c303ccd000 : 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 50.615718] RAX: [ 51.431972] FS: 00007f92ea5d1580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.447249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.623696] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: [ 51.459880] CR2: 00007f92ea3da000 CR3: 00000001013f8003 CR4: 00000000003706f0 ffffffffa599ae90 # [ 50.631670] RBP: ffffffffa5ddd390 R08: 00[ 51.474087] Call Trace: 00000000000001 R09: 0000000000000001 # [ 50.639671] R10: 0000[ 51.483020] direct_entry.cold+0x2c/0x38 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 51.493633] full_proxy_write+0x53/0x80 50.647645] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff[ 51.504113] vfs_write+0xe7/0x3a0 90c304f7a000 # [ 50.655648] FS: 00007fd491ead580(0000) GS:ff[ 51.514059] ksys_write+0x68/0xf0 ff90c37ad00000(0000) knlGS:0000000000000000 # [ 50.664719] CS[ 51.523948] do_syscall_64+0x30/0x40 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.671165[ 51.534235] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ] CR2: 00007fd491cb6000 CR3: 0000000103df0004 CR4: 0000000000370[ 51.546042] RIP: 0033:0x7f92ea4e78f3 6e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.[ 51.556265] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 sh # selftests: lkdtm: WARNING.sh # [ 50.770005] lkdtm: Perf[ 51.583459] RSP: 002b:00007ffea1adbc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 orming direct entry WARNING # [ 50.779796] ------------[ cut [ 51.598183] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f92ea4e78f3 here ]------------ # [ 50.784995] WARNING: CPU: 2 PID: 758 at[ 51.612330] RDX: 0000000000000010 RSI: 00007f92ea3da000 RDI: 0000000000000001 drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 50.[ 51.626537] RBP: 00007f92ea3da000 R08: 00007f92ea3d9010 R09: 0000000000000000 794428] Modules linked in: fuse ip_tables cros_ec_sensors cros_e[ 51.640711] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 51.654926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_deb[ 51.669099] irq event stamp: 0 ugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 51.678731] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _notify # [ 50.820884] CPU: 2 PID: 758 Comm: cat Tainted: G [ 51.691965] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 D W 5.10.148-cip18 #1 # [ 50.835647] Hardware nam[ 51.707288] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.842454] RIP:[ 51.722688] softirqs last disabled at (0): [<0000000000000000>] 0x0 0010:lkdtm_WARNING+0x13/0x20 # [ 50.847320] Code: c0 f4 ff f[ 51.735928] ---[ end trace 588c6fe2f2edbaf0 ]--- f ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 db # [ 50.868309] RSP: 0018:ffff9cef814f7e60 EFLAGS: 00010202 # [ 50.874160] RAX: ffffffffa4cde9c0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 50.882133] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599aea0 # [ 50.896320] RBP: ffffffffa5d81eb7 R08: 0000000000000000 R09: 0000000000000000 # [ 50.904325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 50.912299] R13: ffff9cef814f7f10 R14: ffff9cef814f7f10 R15: ffff90c3013d1000 # [ 50.920273] FS: 00007f9e4b205580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 # [ 50.929317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.826081] lkdtm: Performing direct entry EXCEPTION [ 50.935736] CR2: 00007f9e4b00e000 CR3: 0000000104c82001 CR4: [ 51.833707] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 51.847645] #PF: supervisor write access in kernel mode [ 51.853478] #PF: error_code(0x0002) - not-present page [ 51.859203] PGD 0 P4D 0 [ 51.862027] Oops: 0002 [#2] SMP PTI [ 51.865911] CPU: 0 PID: 825 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 51.874465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.881272] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 51.886237] Code: 48 c7 c7 18 24 d8 a5 8d 70 01 89 35 31 db 92 02 e8 0b 2e 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 51.907222] RSP: 0018:ffff9cef815f7e60 EFLAGS: 00010282 [ 51.913055] RAX: ffffffffa4cdea10 RBX: 0000000000000004 RCX: 0000000000000000 [ 51.921027] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffffffffa599aec0 [ 51.928996] RBP: ffffffffa5cb7357 R08: 0000000000000000 R09: 0000000000000000 [ 51.936968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 51.944938] R13: ffff9cef815f7f10 R14: ffff9cef815f7f10 R15: ffff90c302abf000 [ 51.952909] FS: 00007ff09a92e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 51.961949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.968365] CR2: 0000000000000000 CR3: 0000000102b92003 CR4: 00000000003706f0 [ 51.976336] Call Trace: [ 51.979065] direct_entry.cold+0x2c/0x38 [ 51.983450] full_proxy_write+0x53/0x80 [ 51.987738] vfs_write+0xe7/0x3a0 [ 51.991437] ksys_write+0x68/0xf0 [ 51.995157] do_syscall_64+0x30/0x40 [ 51.999159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.004800] RIP: 0033:0x7ff09a8448f3 [ 52.008788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.029775] RSP: 002b:00007ffd01292a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.038222] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff09a8448f3 [ 52.046213] RDX: 000000000000000a RSI: 00007ff09a737000 RDI: 0000000000000001 [ 52.054184] RBP: 00007ff09a737000 R08: 00007ff09a736010 R09: 0000000000000000 [ 52.062176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.070155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.078128] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.104593] CR2: 0000000000000000 [ 52.108291] ---[ end trace 588c6fe2f2edbaf1 ]--- [ 52.113446] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.117823] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 52.138807] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 52.144640] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.152611] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 52.160582] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 52.168552] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.176521] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 52.184491] FS: 00007ff09a92e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 52.193529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.199943] CR2: 0000000000000000 CR3: 0000000102b92003 CR4: 00000000003706f0 [ 52.207913] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.217823] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat [ 52.226181] INFO: lockdep is turned off. [ 52.230558] irq event stamp: 0 [ 52.233964] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.240954] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.250089] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.259221] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.266220] CPU: 0 PID: 825 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 52.274771] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.281574] Call Trace: [ 52.284303] dump_stack+0x77/0x9b [ 52.288000] ___might_sleep.cold+0xa6/0xb6 [ 52.292577] exit_signals+0x1c/0x2e0 [ 52.296564] do_exit+0xd5/0xb00 [ 52.300067] ? ksys_write+0x68/0xf0 [ 52.303952] rewind_stack_do_exit+0x17/0x20 [ 52.308624] RIP: 0033:0x7ff09a8448f3 [ 52.312611] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.333594] RSP: 002b:00007ffd01292a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.342051] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff09a8448f3 [ 52.350021] RDX: 000000000000000a RSI: 00007ff09a737000 RDI: 0000000000000001 [ 52.357993] RBP: 00007ff09a737000 R08: 00007ff09a736010 R09: 0000000000000000 [ 52.365963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.373933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000003706e0 # [ 50.943731] Call Trace: # [ 50.946475] direct_entry.cold+0x2c/0x38 # [ 50.957062] full_proxy_write+0x53/0x80 # [ 50.961377] vfs_write+0xe7/0x3a0 # [ 50.965077] ksys_write+0x68/0xf0 # [ 50.968780] do_syscall_64+0x30/0x40 # [ 50.972772] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.978415] RIP: 0033:0x7f9e4b11b8f3 # [ 50.982407] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.003395] RSP: 002b:00007ffd12564428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.011855] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f9e4b11b8f3 # [ 51.019828] RDX: 0000000000000008 RSI: 00007f9e4b00e000 RDI: 0000000000000001 # [ 51.027801] RBP: 00007f9e4b00e000 R08: 00007f9e4b00d010 R09: 0000000000000000 # [ 51.035775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.043747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.051724] irq event stamp: 0 # [ 51.055163] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.062168] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.071308] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.086657] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.093651] ---[ end trace 588c6fe2f2edbaef ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 51.200723] lkdtm: Performing direct entry WARNING_MESSAGE # [ 51.210686] ------------[ cut here ]------------ # [ 51.222067] Warning message trigger count: 2 # [ 51.233089] WARNING: CPU: 0 PID: 793 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 51.249517] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.282112] CPU: 0 PID: 793 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 51.296939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.309990] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 51.321825] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 db 92 02 48 c7 c7 18 24 d8 a5 8d 70 01 89 35 31 db 92 02 e8 0b 2e 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 51.348991] RSP: 0018:ffff9cef81577e60 EFLAGS: 00010286 # [ 51.361046] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 51.375214] RDX: ffff90c37ac2c660 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 # [ 51.389407] RBP: ffffffffa5d81ebf R08: 0000000000000000 R09: 0000000000000000 # [ 51.403591] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 51.417802] R13: ffff9cef81577f10 R14: ffff9cef81577f10 R15: ffff90c303ccd000 # [ 51.431972] FS: 00007f92ea5d1580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 51.447249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.459880] CR2: 00007f92ea3da000 CR3: 00000001013f8003 CR4: 00000000003706f0 # [ 51.474087] Call Trace: # [ 51.483020] direct_entry.cold+0x2c/0x38 # [ 51.493633] full_pro[ 52.715415] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 52.723956] lkdtm: attempting good list addition [ 52.729122] lkdtm: attempting corrupted list addition xy_write+0x53/0x80 # [ 51.504113] vfs_write+0xe7/0x3a0 # [ [ 52.734778] lkdtm: list_add() corruption not detected! 51.514059] ksys_write+0x68/0xf0 # [ 51.523948] do_syscall_64+0x30/0x40 # [ 51.534235] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.546042] RIP: 0033:0x7f92ea4e78f3 # [ 51.556265] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.583459] RSP: 002b:00007ffea1adbc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.598183] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f92ea4e78f3 # [ 51.612330] RDX: 0000000000000010 RSI: 00007f92ea3da000 RDI: 0000000000000001 # [ 51.626537] RBP: 00007f92ea3da000 R08: 00007f92ea3d9010 R09: 0000000000000000 # [ 51.640711] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.654926] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.669099] irq event stamp: 0 # [ 51.678731] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.691965] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.707288] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.722688] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.735928] ---[ end trace 588c6fe2f2edbaf0 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 51.826081] lkdtm: Performing direct entry EXCEPTION # [ 51.833707] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 51.847645] #PF: supervisor write access in kernel mode # [ 51.853478] #PF: error_code(0x0002) - not-present page # [ 51.859203] PGD 0 P4D 0 # [ 51.862027] Oops: 0002 [#2] SMP PTI # [ 51.865911] CPU: 0 PID: 825 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 51.874465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.88[ 52.938092] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 52.945775] lkdtm: attempting good list removal [ 52.950843] lkdtm: attempting corrupted list removal [ 52.956419] lkdtm: list_del() corruption not detected! 1272] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 51.886237] Code: 48 c7 c7 18 24 d8 a5 8d 70 01 89 35 31 db 92 02 e8 0b 2e 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 51.907222] RSP: 0018:ffff9cef815f7e60 EFLAGS: 00010282 # [ 51.913055] RAX: ffffffffa4cdea10 RBX: 0000000000000004 RCX: 0000000000000000 # [ 51.921027] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffffffffa599aec0 # [ 51.928996] RBP: ffffffffa5cb7357 R08: 0000000000000000 R09: 0000000000000000 # [ 51.936968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.944938] R13: ffff9cef815f7f10 R14: ffff9cef815f7f10 R15: ffff90c302abf000 # [ 51.952909] FS: 00007ff09a92e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 51.961949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.968365] CR2: 0000000000000000 CR3: 0000000102b92003 CR4: 00000000003706f0 # [ 51.976336] Call Trace: # [ 51.979065] direct_entry.cold+0x2c/0x38 # [ 51.983450] full_proxy_write+0x53/0x80 # [ 51.987738] vfs_write+0xe7/0x3a0 # [ 51.991437] ksys_write+0x68/0xf0 # [ 51.995157] do_syscall_64+0x30/0x40 # [ 51.999159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.004800] RIP: 0033:0x7ff09a8448f3 # [ 52.008788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 53.108897] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 53.118330] lkdtm: attempting bad read from page below current stack [ 53.125445] BUG: stack guard page was hit at 000000007f4098ab (stack is 00000000fe635bfd..000000004b254cc7) [ 53.136339] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 53.143162] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 53.151813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.158621] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 53.165161] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b8 27 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 c2 a0 fd ff 48 c7 c7 f8 27 d8 a5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 a8 a0 fd ff 0f 1f 44 [ 53.186161] RSP: 0018:ffff9cef8192fe50 EFLAGS: 00010246 [ 53.191994] RAX: 0000000000000038 RBX: ffff9cef8192c000 RCX: 0000000000000000 [ 53.199965] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffffffffa5d827f8 [ 53.207936] RBP: ffffffffa5d81f22 R08: 0000000000000000 R09: 0000000000000000 [ 53.215905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 53.223874] R13: ffff9cef8192ff10 R14: ffff9cef8192ff10 R15: ffff90c30560c000 [ 53.231845] FS: 00007f1e2c8e2580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 53.240875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.247292] CR2: ffff9cef8192bfff CR3: 0000000104d86003 CR4: 00000000003706e0 [ 53.255261] Call Trace: [ 53.257987] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 53.263037] direct_entry.cold+0x2c/0x38 [ 53.267408] full_proxy_write+0x53/0x80 [ 53.271691] vfs_write+0xe7/0x3a0 [ 53.275390] ksys_write+0x68/0xf0 [ 53.279089] do_syscall_64+0x30/0x40 [ 53.283079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.288719] RIP: 0033:0x7f1e2c7f88f3 [ 53.292706] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.313693] RSP: 002b:00007ffc64c52cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.322159] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1e2c7f88f3 [ 53.330147] RDX: 0000000000000019 RSI: 00007f1e2c6eb000 RDI: 0000000000000001 28 48 89 54 24 18 # [ 52.029775] RSP: 002b:00007ffd01292a08 [ 53.338126] RBP: 00007f1e2c6eb000 R08: 00007f1e2c6ea010 R09: 0000000000000000 [ 53.352310] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.360281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.368256] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.394726] ---[ end trace 588c6fe2f2edbaf2 ]--- [ 53.399880] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.404248] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 53.425234] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 53.431058] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.439029] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 53.446998] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 53.454968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.462937] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 53.470910] FS: 00007f1e2c8e2580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 53.479949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.486356] CR2: ffff9cef8192bfff CR3: 0000000104d86003 CR4: 00000000003706e0 [ 53.494327] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.504240] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1050, name: cat [ 53.512695] INFO: lockdep is turned off. [ 53.517071] irq event stamp: 0 [ 53.520477] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.527477] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.536604] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.545741] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.552732] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 53.561373] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.568178] Call Trace: [ 53.570905] dump_stack+0x77/0x9b [ 53.574604] ___might_sleep.cold+0xa6/0xb6 [ 53.579176] exit_signals+0x1c/0x2e0 [ 53.583166] do_exit+0xd5/0xb00 [ 53.586671] ? ksys_write+0x68/0xf0 [ 53.590563] rewind_stack_do_exit+0x17/0x20 [ 53.595223] RIP: 0033:0x7f1e2c7f88f3 [ 53.599214] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.620211] RSP: 002b:00007ffc64c52cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.628667] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1e2c7f88f3 [ 53.636637] RDX: 0000000000000019 RSI: 00007f1e2c6eb000 RDI: 0000000000000001 [ 53.644607] RBP: 00007f1e2c6eb000 R08: 00007f1e2c6ea010 R09: 0000000000000000 [ 53.652576] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.660545] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.038222] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff09a8448f3 # [ 52.046213] RDX: 000000000000000a RSI: 00007ff09a737000 RDI: 0000000000000001 # [ 52.054184] RBP: 00007ff09a737000 R08: 00007ff09a736010 R09: 0000000000000000 # [ 52.062176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.070155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.078128] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.104593] CR2: 0000000000000000 # [ 52.108291] ---[ end trace 588c6fe2f2edbaf1 ]--- # [ 52.113446] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.117823] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60[ 53.768279] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 53.781309] lkdtm: attempting bad read from page above current stack [ 53.788425] BUG: stack guard page was hit at 000000000337e13c (stack is 00000000a56ee29f..00000000aaada348) [ 53.799319] kernel stack overflow (page fault): 0000 [#4] SMP PTI db 92 02 # [ 52.138807] RSP: 0018:ffff9cef8142fe60 EFLAGS: 0[ 53.806127] CPU: 3 PID: 1083 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 53.820991] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00[10282 # [ 52.144640] RAX: ffffffffa4cde9b0 RBX: 00000000000 53.827800] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 53.840629] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 30 28 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 88 a0 fd ff 48 c7 c7 70 28 d8 a5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 6b a0 fd ff [ 53.861617] RSP: 0018:ffff9cef819b7e50 EFLAGS: 00010246 [ 53.867451] RAX: 0000000000000038 RBX: ffff9cef819b4000 RCX: 0000000000000000 [ 53.875422] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffffffffa5d82870 [ 53.883391] RBP: ffffffffa5d81f3b R08: 0000000000000000 R09: 0000000000000000 [ 53.891360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 53.899329] R13: ffff9cef819b7f10 R14: ffff9cef819b7f10 R15: ffff90c302b2c000 [ 53.907301] FS: 00007f3d6069d580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 53.916332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.922748] CR2: ffff9cef819b8000 CR3: 000000010292c003 CR4: 00000000003706e0 [ 53.930719] Call Trace: [ 53.933446] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 53.939281] direct_entry.cold+0x2c/0x38 [ 53.943652] full_proxy_write+0x53/0x80 [ 53.947934] vfs_write+0xe7/0x3a0 [ 53.951633] ksys_write+0x68/0xf0 [ 53.955332] do_syscall_64+0x30/0x40 [ 53.959322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.964962] RIP: 0033:0x7f3d605b38f3 [ 53.968943] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.989930] RSP: 002b:00007fff5e01d258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.998387] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3d605b38f3 [ 54.006358] RDX: 000000000000001a RSI: 00007f3d604a6000 RDI: 0000000000000001 [ 54.014328] RBP: 00007f3d604a6000 R08: 00007f3d604a5010 R09: 0000000000000000 [ 54.022298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.030268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.038241] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.064712] ---[ end trace 588c6fe2f2edbaf3 ]--- [ 54.069867] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.074246] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 54.095232] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 54.101066] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.109029] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 54.117000] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 54.124971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.132940] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 54.140911] FS: 00007f3d6069d580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 54.149952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.156368] CR2: ffff9cef819b8000 CR3: 000000010292c003 CR4: 00000000003706e0 00001 RCX: 0000000000000000 # [ 52.152611] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 52.160582] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 52.168552] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.176521] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 52.184491] FS: 00007ff09a92e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 52.193529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.199943] CR2: 0000000000000000 CR3: 0000000102b92003 CR4: 00000000003706f0 # [ 52.207913] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.217823] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 825, name: cat # [ 52.226181] INFO: lockdep is turned off. # [ 52.230558] irq event stamp: 0 # [ 52.233964] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.240954] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.250089] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.259221] softirqs last disabled at (0): [<000000000000[ 54.278615] lkdtm: Performing direct entry UNSET_SMEP 0000>] 0x0 # [ 52.266220] CPU: 0 PID: 825 Comm: cat Tainted: [ 54.288106] lkdtm: trying to clear SMEP normally G D W 5.10.148-cip18 #1 # [ 52.274771] Hardware [ 54.299483] ------------[ cut here ]------------ name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.281574] C[ 54.310850] pinned CR4 bits changed: 0x100000!? all Trace: # [ 52.284303] dump_stack+0x77/0x9b # [ 52.288[ 54.322155] WARNING: CPU: 1 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 000] ___might_sleep.cold+0xa6/0xb6 # [ 52.292577] exit_sign[ 54.338574] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.371219] CPU: 1 PID: 1119 Comm: cat Tainted: G D W 5.10.148-cip18 #1 als+0x1c/0x2e0 # [ 52.296564] do_exit+0xd5/0xb00 # [ 52.3[ 54.379898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.392917] RIP: 0010:native_write_cr4+0x45/0x60 00067] ? ksys_write+0x68/0xf0 # [ 52.303952] rewind_stack_d[ 54.398078] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 98 13 cc a5 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 o_exit+0x17/0x20 # [ 52.308624] RIP: 0033:0x7ff09a8448f3 # [[ 54.425280] RSP: 0018:ffff9cef81a2fe48 EFLAGS: 00010286 52.312611] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 54.437361] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 54.451552] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 [ 54.465744] RBP: ffffffffa5d81f55 R08: 0000000000000000 R09: 0000000000000000 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 54.473719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b ec 28 48 89 54 24 18 # [ 52.333594] RSP: 002b:00007ffd01292a[ 54.487906] R13: ffff9cef81a2ff10 R14: ffff9cef81a2ff10 R15: ffff90c3042e5000 08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.342051][ 54.502098] FS: 00007fd9d64f9580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff09a8448[ 54.517363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f3 # [ 52.350021] RDX: 000000000000000a RSI: 00007ff09a737000[ 54.529998] CR2: 00007fd9d6302000 CR3: 0000000103f52005 CR4: 00000000003706e0 RDI: 0000000000000001 # [ 52.357993] RBP: 00007ff09a737000 R[ 54.544185] Call Trace: 08: 00007ff09a736010 R09: 0000000000000000 # [ 52.365963] R10[ 54.553158] lkdtm_UNSET_SMEP.cold+0x1d/0x103 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.564239] direct_entry.cold+0x2c/0x38 # [ 52.373933] R13: 0000000000000001 R14: 0000000000020000 R15[ 54.574834] full_proxy_write+0x53/0x80 : 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 sel[ 54.585333] vfs_write+0xe7/0x3a0 ftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skip[ 54.595249] ksys_write+0x68/0xf0 ping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SK[ 54.605168] do_syscall_64+0x30/0x40 IP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STA[ 54.615373] entry_SYSCALL_64_after_hwframe+0x61/0xc6 CK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_S[ 54.627231] RIP: 0033:0x7fd9d640f8f3 TACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping[ 54.637439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 CORRUPT_STACK: Crashes entire system on success ok 8 selftests[ 54.664645] RSP: 002b:00007ffe10204be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_ST[ 54.679322] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd9d640f8f3 ACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire s[ 54.693512] RDX: 000000000000000b RSI: 00007fd9d6302000 RDI: 0000000000000001 ystem on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh[ 54.707705] RBP: 00007fd9d6302000 R08: 00007fd9d6301010 R09: 0000000000000000 # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 52.71541[ 54.721898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 52.723[ 54.736087] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 956] lkdtm: attempting good list addition # [ 52.729122] lkdt[ 54.750286] irq event stamp: 0 m: attempting corrupted list addition # [ 52.734778] lkdtm: l[ 54.759909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ist_add() corruption not detected! # CORRUPT_LIST_ADD: missing [ 54.773131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRU[ 54.788487] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 PT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh[ 54.803844] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.938092] lkdtm: Performing direct entry CORRUPT_LIST_D[ 54.817065] ---[ end trace 588c6fe2f2edbaf4 ]--- EL # [ 52.945775] lkdtm: attempting good list removal # [ [ 54.828440] lkdtm: ok: SMEP did not get cleared 52.950843] lkdtm: attempting corrupted list removal # [ 52.95[ 54.839718] lkdtm: trying to clear SMEP with call gadget 6419] lkdtm: list_del() corruption not detected! # CORRUPT_LIST[ 54.851870] lkdtm: ok: SMEP removal was reverted _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 # [ 53.108897] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 53.118330] lkdtm: attempting bad read from page below current stack # [ 53.125445] BUG: stack guard page was hit at 000000007f4098ab (stack is 00000000fe635bfd..000000004b254cc7) # [ 53.136339] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 53.143162] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 53.151813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.158621] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 53.165161] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b8 27 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 c2 a0 fd ff 48 c7 c7 f8 27 d8 a5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 a8 a0 fd ff 0f 1f 44 # [ 53.186161] RSP: 0018:ffff9cef8192fe50 EFLAGS: 00010246 # [ 53.191994] RAX: 0000000000000038 RBX: ffff9cef8192c000 RCX: 0[ 54.965541] lkdtm: Performing direct entry DOUBLE_FAULT [ 54.974913] lkdtm: XFAIL: this test is ia32-only 000000000000000 # [ 53.199965] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffffffffa5d827f8 # [ 53.207936] RBP: ffffffffa5d81f22 R08: 0000000000000000 R09: 0000000000000000 # [ 53.215905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 53.223874] R13: ffff9cef8192ff10 R14: ffff9cef8192ff10 R15: ffff90c30560c000 # [ 53.231845] FS: 00007f1e2c8e2580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 53.240875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.247292] CR2: ffff9cef8192bfff CR3: 0000000104d86003 CR4: 00000000003706e0 # [ 53.255261] Call Trace: # [ 53.257987] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 53.263037] direct_entry.cold+0x2c/0x38 # [ 53.267408] full_proxy_write+0x53/0x80 # [ 53.271691] vfs_write+0xe7/0x3a0 # [ 53.275390] ksys_write+0x68/0xf0 # [ 53.279089] do_syscall_64+0x30/0x40 # [ 53.283079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.288719] RIP: 0033:0x7f1e2c7f88f3 # [ 53.292706] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 55.091627] lkdtm: Performing direct entry CORRUPT_PAC <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 55.097809] lkdtm: XFAIL: this test is arm64-only 18 # [ 53.313693] RSP: 002b:00007ffc64c52cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.322159] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1e2c7f88f3 # [ 53.330147] RDX: 0000000000000019 RSI: 00007f1e2c6eb000 RDI: 0000000000000001 # [ 53.338126] RBP: 00007f1e2c6eb000 R08: 00007f1e2c6ea010 R09: 0000000000000000 # [ 53.352310] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.360281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.368256] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.394726] ---[ end trace 588c6fe2f2edbaf2 ]--- # [ 53.399880] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.404248] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 53.425234] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 53.431058] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.439029] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 53.446998] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 53.454968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.462937] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 53.470910] FS: 00007f1e2c8e2580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 53.479949] CS: 0010 DS: 0000 ES: 000[ 55.271574] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 55.284358] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 0 CR0: 0000000080050033 # [ 53.486356] CR2: ffff9cef8192bfff CR3: 0000000104d86003 CR4: 00000000003706e0 # [ 53.494327] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.504240] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1050, name: cat # [ 53.512695] INFO: lockdep is turned off. # [ 53.517071] irq event stamp: 0 # [ 53.520477] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.527477] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.536604] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.545741] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.552732] CPU: 3 PID: 1050 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 53.561373] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.568178] Call Trace: # [ 53.570905] dump_stack+0x77/0x9b # [ 53.574604] ___might_sleep.cold+0xa6/0xb6 # [ 53.579176] exit_signals+0x1c/0x2e0 # [ 53.583166] do_exit+0xd5/0xb00 # [ 53.586671] ? ksys_write+0x68/0xf0 # [ 53.590563] rewind_stack_do_exit+0x17/0x20 # [ 53.595223] RIP: 0033:0x7f1e2c7f88f3 # [ 53.599214] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.620211] RSP: 002b:00007ffc64c52cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.628667] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f1e2c7f88f3 # [ 53.636637] RDX: 0000000000000019 RSI: 00007f1e2c6eb000 RDI: 0000000000000001 # [ 53.644607] RBP: 00007f1e2c6eb000 R08: 00007f1e2c6ea010 R09: 0000000000000000 # [ 53.652576] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.660545] 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 # [ 53.768279] lkdtm: Performing direct entry S[ 55.500448] lkdtm: Performing direct entry READ_AFTER_FREE TACK_GUARD_PAGE_TRAILING # [ 53.781309] lkdtm: attempting bad[ 55.509760] lkdtm: Value in memory before free: 12345678 read from page above current stack # [ 53.788425] BUG: stack[ 55.521919] lkdtm: Attempting bad read from freed memory guard page was hit at 000000000337e13c (stack is 00000000a56ee2[ 55.534050] lkdtm: Memory was not poisoned 9f..00000000aaada348) # [ 53.799319] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 53.806127] CPU: 3 PID: 1083 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 53.820991] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.827800] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 53.840629] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 30 28 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 88 a0 fd ff 48 c7 c7 70 28 d8 a5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 6b a0 fd ff # [ 53.861617] RSP: 0018:ffff9cef819b7e50 EFLAGS: 00010246 # [ 53.867451] RAX: 0000000000000038 RBX: ffff9cef819b4000 RCX: 0000000000000000 # [ 53.875422] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffffffffa5d82870 # [ 53.883391] RBP: ffffffffa5d81f3b R08: 0000000000000000 R09: 0000000000000000 # [ 53.891360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 53.899329] R13: ffff9cef819b7f10 R14: ffff9cef819b7f10 R15: ffff90c302b2c000 # [ 53.907301] FS: 00007f3d6069d580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 53.916332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.922748] CR2: ffff9cef819b8000 CR3: 000000010292c003 CR4: 00000000003706e0 # [ 53.930719] Call Trace: # [ 53.933446] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 53.939281] direct_entry.cold+0x2c/0x38 # [ 53.943652] full_proxy_write+0x53/0x80 # [ 53.947[ 55.683243] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 934] vfs_write+0xe7/0x3a0 # [ 53.951633] ksys_write+0x68/0x[ 55.694502] lkdtm: Value in memory before free: 12345678 f0 # [ 53.955332] do_syscall_64+0x30/0x40 # [ 53.959322] [ 55.706648] lkdtm: Attempting to read from freed memory entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.964962] RIP:[ 55.718723] lkdtm: Buddy page was not poisoned 0033:0x7f3d605b38f3 # [ 53.968943] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.989930] RSP: 002b:00007fff5e01d258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.998387] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f3d605b38f3 # [ 54.006358] RDX: 000000000000001a RSI: 00007f3d604a6000 RDI: 0000000000000001 # [ 54.014328] RBP: 00007f3d604a6000 R08: 00007f3d604a5010 R09: 0000000000000000 # [ 54.022298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.030268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.038241] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.064712] ---[ end trace 588c6fe2f2edbaf3 ]--- # [ 54.069867] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.074246] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 54.095232] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 54.101066] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.109029] RDX: 0000000000000000 RSI: fff[ 55.874490] lkdtm: Performing direct entry SLAB_FREE_DOUBLE f90c37ad1bf70 RDI: ffffffffa599ae90 # [ 54.117000] RBP: fffff[ 55.885285] lkdtm: Attempting double slab free ... fffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 54.124971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.132940] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 54.140911] FS: 00007f3d6069d580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 54.149952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.156368] CR2: ffff9cef819b8000 CR3: 000000010292c003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 54.278615] lkdtm: Performing direct entry UNSET_SMEP # [ 54.288106] lkdtm: trying to clear SMEP normally # [ 54.299483] ------------[ cut here ]------------ # [ 54.310850] pinned CR4 bits changed: 0x100000!? # [ 54.322155] WARNING: CPU: 1 PID: 1119 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 54.338574] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 56.010490] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 54.371219] CPU: 1 PID: 1119 Comm: cat Tainted: G D [ 56.021099] lkdtm: Attempting cross-cache slab free ... W 5.10.148-cip18 #1 # [ 54.379898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.392917] RIP: 0010:native_write_cr4+0x45/0x60 # [ 54.398078] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 98 13 cc a5 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 54.425280] RSP: 0018:ffff9cef81a2fe48 EFLAGS: 00010286 # [ 54.437361] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 54.451552] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 # [ 54.465744] RBP: ffffffffa5d81f55 R08: 0000000000000000 R09: 0000000000000000 # [ 54.473719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.487906] R13: ffff9cef81a2ff10 R14: ffff9cef81a2ff10 R15: ffff90c3042e5000 # [ 54.502098] FS: 00007fd9d64f9580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 54.517363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.529998] CR2: 00007fd9d6302000 CR3: 0000000103f52005 CR4: 00000000003706e0 # [ 54.544185] Call Trace: # [ 54.553158] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 54.564239] direct_entry.[ 56.148452] lkdtm: Performing direct entry SLAB_FREE_PAGE cold+0x2c/0x38 # [ 54.574834] full_proxy_write+0x53/0x80 # [ 56.157275] lkdtm: Attempting non-Slab slab free ... [ 54.585333] vfs_write+0xe7/0x3a0 # [ 54.595249] ksys_write+0x68/0xf0 # [ 54.605168] do_syscall_64+0x30/0x40 # [ 54.615373] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.627231] RIP: 0033:0x7fd9d640f8f3 # [ 54.637439] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.664645] RSP: 002b:00007ffe10204be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.679322] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd9d640f8f3 # [ 54.693512] RDX: 000000000000000b RSI: 00007fd9d6302000 RDI: 0000000000000001 # [ 54.707705] RBP: 00007fd9d6302000 R08: 00007fd9d6301010 R09: 0000000000000000 # [ 54.721898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.736087] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.750286] irq event stamp: 0 # [ 54.759909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.773131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.788487] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.803844] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.817065] ---[ end trace 588c6fe2f2edbaf4 ]--- # [ 54.828440] lkdtm: ok: SMEP did not get cleared # [ 54.839718] lkdtm: trying to clear SMEP with call gadget # [ 54.851870] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 54.965541] lkdtm: Performing direct entry DOUBLE_FAULT # [ 54.974913] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 55.091627] lkdtm: Performing direct entry CORRUPT_PAC # [ 55.097809] 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 # [ 55.271574] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 55.284358] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 55.500448] lkdtm: Performing direct entry READ_AFTER_FREE # [ 55.509760] lkdtm: Value in memory before free: 12345678 # [ 55.521919] lkdtm: Attempting bad read from freed memory # [ 55.534050] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1[ 56.469707] lkdtm: Performing direct entry EXEC_DATA # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRIT[ 56.479270] lkdtm: attempting ok execution at ffffffffa4cded80 E_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests:[ 56.492031] lkdtm: attempting bad execution at ffffffffa760c560 lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: RE[ 56.504844] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.519383] BUG: unable to handle page fault for address: ffffffffa760c560 [ 56.527065] #PF: supervisor instruction fetch in kernel mode [ 56.533376] #PF: error_code(0x0011) - permissions violation [ 56.539600] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012fe000e3 [ 56.547384] Oops: 0011 [#5] SMP PTI [ 56.551276] CPU: 0 PID: 1626 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 56.559928] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.566736] RIP: 0010:data_area+0x0/0x40 [ 56.571118] Code: ff ff 00 f1 7f 02 c3 90 ff ff 00 f0 7f 02 c3 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 56.592105] RSP: 0018:ffff9cef82217e48 EFLAGS: 00010246 [ 56.597930] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.605901] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 [ 56.613872] RBP: ffffffffa760c560 R08: 0000000000000000 R09: 0000000000000000 [ 56.621843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.629814] R13: ffff9cef82217f10 R14: ffff9cef82217f10 R15: ffff90c304d94000 [ 56.637787] FS: 00007f7126c1e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 56.646818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.653233] CR2: ffffffffa760c560 CR3: 00000001042ca003 CR4: 00000000003706f0 [ 56.661208] Call Trace: [ 56.663937] ? execute_location+0x45/0x56 [ 56.668416] ? direct_entry.cold+0x2c/0x38 [ 56.672990] ? full_proxy_write+0x53/0x80 [ 56.677466] ? vfs_write+0xe7/0x3a0 [ 56.681359] ? ksys_write+0x68/0xf0 [ 56.685243] ? do_syscall_64+0x30/0x40 [ 56.689428] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.695265] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.721711] CR2: ffffffffa760c560 [ 56.725409] ---[ end trace 588c6fe2f2edbaf5 ]--- [ 56.730565] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.734942] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 56.755929] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 56.761764] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.769736] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 56.777705] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 56.785676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.793647] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 56.801616] FS: 00007f7126c1e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 56.810655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.817071] CR2: ffffffffa760c560 CR3: 00000001042ca003 CR4: 00000000003706f0 [ 56.825044] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.834957] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat [ 56.843413] INFO: lockdep is turned off. [ 56.847790] irq event stamp: 0 [ 56.851205] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.858211] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.867349] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.876476] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.883476] CPU: 0 PID: 1626 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 56.892126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.898952] Call Trace: [ 56.901681] dump_stack+0x77/0x9b [ 56.905385] ___might_sleep.cold+0xa6/0xb6 [ 56.909950] exit_signals+0x1c/0x2e0 [ 56.913938] do_exit+0xd5/0xb00 [ 56.917442] ? ksys_write+0x68/0xf0 [ 56.921336] rewind_stack_do_exit+0x17/0x20 [ 56.925996] RIP: 0033:0x7f7126b348f3 [ 56.929974] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.950961] RSP: 002b:00007ffe09126ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.959408] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7126b348f3 [ 56.967378] RDX: 000000000000000a RSI: 00007f7126a27000 RDI: 0000000000000001 [ 56.975348] RBP: 00007f7126a27000 R08: 00007f7126a26010 R09: 0000000000000000 [ 56.983319] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.991290] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 AD_BUDDY_AFTER_FREE.sh # [ 55.683243] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 55.694502] lkdtm: Value in memory before free: 12345678 # [ 55.706648] lkdtm: Attempting to read from freed memory # [ 55.718723] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 55.874490] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 55.885285] 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 # [ 56.010490] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 56.021099] 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 # [ 56.148452] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 56.157275] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftest[ 57.112026] lkdtm: Performing direct entry EXEC_STACK [ 57.123014] lkdtm: attempting ok execution at ffffffffa4cded80 [ 57.129553] lkdtm: attempting bad execution at ffff9cef8229fe18 [ 57.136180] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) s: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system[ 57.144544] BUG: unable to handle page fault for address: ffff9cef8229fe18 [ 57.158437] #PF: supervisor instruction fetch in kernel mode [ 57.164757] #PF: error_code(0x0011) - permissions violation [ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkd 57.170979] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103dca067 PTE 8000000103d57063 [ 57.186241] Oops: 0011 [#6] SMP PTI [ 57.190135] CPU: 3 PID: 1662 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 57.198790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.205587] RIP: 0010:0xffff9cef8229fe18 [ 57.209963] Code: 00 00 18 fe 29 82 ef 9c ff ff 66 d5 33 a5 ff ff ff ff 20 00 00 00 00 00 00 00 7e 20 d8 a5 ff ff ff ff 95 d6 33 a5 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 57.230950] RSP: 0018:ffff9cef8229fdf8 EFLAGS: 00010246 [ 57.236786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.244748] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 57.252719] RBP: ffff9cef8229fe18 R08: 0000000000000000 R09: 0000000000000000 [ 57.260689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 57.268659] R13: ffff9cef8229ff10 R14: ffff9cef8229ff10 R15: ffff90c303d0c000 [ 57.276630] FS: 00007f6c2b884580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 57.285661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.292077] CR2: ffff9cef8229fe18 CR3: 00000001040d6005 CR4: 00000000003706e0 [ 57.300047] Call Trace: [ 57.302776] ? execute_location+0x45/0x56 [ 57.307250] ? lkdtm_EXEC_STACK+0x26/0x44 [ 57.311725] ? direct_entry.cold+0x2c/0x38 [ 57.316298] ? full_proxy_write+0x53/0x80 [ 57.320775] ? vfs_write+0xe7/0x3a0 [ 57.324668] ? ksys_write+0x68/0xf0 [ 57.328562] ? do_syscall_64+0x30/0x40 [ 57.332744] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.338582] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify tm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 2[ 57.365041] CR2: ffff9cef8229fe18 [ 57.374953] ---[ end trace 588c6fe2f2edbaf6 ]--- [ 57.380109] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.384484] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 57.405471] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 57.411306] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.419277] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 57.427248] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 57.435219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.443206] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 57.451176] FS: 00007f6c2b884580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 57.460215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.466630] CR2: ffff9cef8229fe18 CR3: 00000001040d6005 CR4: 00000000003706e0 7 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 # [ 56.469707] lkdtm: Performing direct entry EXEC_DATA # [ 56.479270] lkdtm: attempting ok execution at ffffffffa4cded80 # [ 56.492031] lkdtm: attempting bad execution at ffffffffa760c560 # [ 56.504844] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.519383] BUG: unable to handle page fault for address: ffffffffa760c560 # [ 56.527065] #PF: supervisor instruction fetch in kernel mode # [ 56.533376] #PF: error_code(0x0011) - permissions violation # [ 56.539600] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012fe000e3 # [ 56.547384] Oops: 0011 [#5] SMP PTI # [ 56.551276] CPU: 0 PID: 1626 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 56.559928] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.566736] RIP: 0010:data_area+0[ 57.580358] lkdtm: Performing direct entry EXEC_KMALLOC x0/0x40 # [ 56.571118] Code: ff ff 00 f1 7f 02 c3 90 ff ff 00[ 57.592364] lkdtm: attempting ok execution at ffffffffa4cded80 f0 7f 02 c3 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 57.605098] lkdtm: attempting bad execution at ffff90c304db5440 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66[ 57.617929] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 57.632504] BUG: unable to handle page fault for address: ffff90c304db5440 [ 57.640186] #PF: supervisor instruction fetch in kernel mode [ 57.646499] #PF: error_code(0x0011) - permissions violation 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 56.592105] RSP: 0018:ff[ 57.652724] PGD 130001067 P4D 130001067 PUD 100214063 PMD 105632063 PTE 8000000104db5063 [ 57.667980] Oops: 0011 [#7] SMP PTI [ 57.671873] CPU: 1 PID: 1698 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 57.680523] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.687329] RIP: 0010:0xffff90c304db5440 [ 57.691707] Code: ff ff 30 a7 6f 05 c3 90 ff ff 01 00 00 00 c3 90 ff ff 00 00 00 00 00 00 00 00 c0 57 1b 84 be d6 ff ff 00 10 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 57.712685] RSP: 0018:ffff9cef82347e38 EFLAGS: 00010246 [ 57.718519] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.726492] RDX: 0000000000000000 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 [ 57.734463] RBP: ffff90c304db5440 R08: 0000000000000000 R09: 0000000000000000 [ 57.742433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.750404] R13: ffff9cef82347f10 R14: ffff9cef82347f10 R15: ffff90c3032a3000 [ 57.758375] FS: 00007f97777c9580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 57.767415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.773832] CR2: ffff90c304db5440 CR3: 0000000102bc0003 CR4: 00000000003706e0 [ 57.781804] Call Trace: [ 57.784533] ? execute_location+0x45/0x56 ff9cef82217e48 EFLAGS: 00010246 # [ 56.597930] RAX: 000000000[ 57.789009] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 57.799890] ? direct_entry.cold+0x2c/0x38 [ 57.804463] ? full_proxy_write+0x53/0x80 [ 57.808940] ? vfs_write+0xe7/0x3a0 [ 57.812833] ? ksys_write+0x68/0xf0 [ 57.816726] ? do_syscall_64+0x30/0x40 [ 57.820911] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.60[ 57.826750] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.859394] CR2: ffff90c304db5440 [ 57.863093] ---[ end trace 588c6fe2f2edbaf7 ]--- [ 57.868247] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.872623] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 57.893612] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 57.899437] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.907409] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 57.915378] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 57.923348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.931319] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 57.939289] FS: 00007f97777c9580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 57.948327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.954744] CR2: ffff90c304db5440 CR3: 0000000102bc0003 CR4: 00000000003706e0 5901] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 # [ 56.613872] RBP: ffffffffa760c560 R08: 0000000000000000 R09: 0000000000000000 # [ 56.621843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.629814] R13: ffff9cef82217f10 R14: ffff9cef82217f10 R15: ffff90c304d94000 # [ 56.637787] FS: 00007f7126c1e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 56.646818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.653233] CR2: ffffffffa760c560 CR3: 00000001042ca003 CR4: 00000000003706f0 # [ 56.661208] Call Trace: # [ 56.663937] ? execute_location+0x45/0x56 # [ 56.668416] ? direct_entry.cold+0x2c/0x38 # [ 56.672990] ? full_proxy_write+0x53/0x80 # [ 56.677466] ? vfs_write+0xe7/0x3a0 # [ 56.681359] ? ksys_write+0x68/0xf0 # [ 56.685243] ? do_syscall_64+0x30/0x40 # [ 56.689428] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.695265] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 58.075545] lkdtm: Performing direct entry EXEC_VMALLOC 56.721711] CR2: ffffffffa760c560 # [ 56.725409] ---[ end tr[ 58.086681] lkdtm: attempting ok execution at ffffffffa4cded80 ace 588c6fe2f2edbaf5 ]--- # [ 56.730565] RIP: 0010:lkdtm_BUG+[ 58.099422] lkdtm: attempting bad execution at ffff9cef806b7000 0x5/0x10 # [ 56.734942] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 e[ 58.112265] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.126799] BUG: unable to handle page fault for address: ffff9cef806b7000 [ 58.134478] #PF: supervisor instruction fetch in kernel mode [ 58.140799] #PF: error_code(0x0011) - permissions violation [ 58.147012] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105c23067 PTE 80000001055c7063 [ 58.156086] Oops: 0011 [#8] SMP PTI [ 58.159979] CPU: 0 PID: 1734 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 58.168628] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.175436] RIP: 0010:0xffff9cef806b7000 [ 58.179816] Code: Unable to access opcode bytes at RIP 0xffff9cef806b6fd6. [ 58.187495] RSP: 0018:ffff9cef823c7e38 EFLAGS: 00010246 [ 58.193321] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.201291] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 [ 58.209261] RBP: ffff9cef806b7000 R08: 0000000000000000 R09: 0000000000000000 [ 58.217230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 58.225202] R13: ffff9cef823c7f10 R14: ffff9cef823c7f10 R15: ffff90c3055c7000 [ 58.233174] FS: 00007f3f77928580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 58.242215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.248630] CR2: ffff9cef806b6fd6 CR3: 0000000102b92002 CR4: 00000000003706f0 [ 58.256601] Call Trace: [ 58.259330] ? execute_location+0x45/0x56 [ 58.263810] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 58.268470] ? direct_entry.cold+0x2c/0x38 [ 58.273041] ? full_proxy_write+0x53/0x80 [ 58.277517] ? vfs_write+0xe7/0x3a0 [ 58.281407] ? ksys_write+0x68/0xf0 [ 58.285300] ? do_syscall_64+0x30/0x40 [ 58.289485] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.295321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.321767] CR2: ffff9cef806b7000 [ 58.325463] ---[ end trace 588c6fe2f2edbaf8 ]--- [ 58.330616] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.334994] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 58.355979] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 58.361814] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.369784] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 58.377754] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 58.385726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.393696] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 58.401666] FS: 00007f3f77928580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 58.410705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.417122] CR2: ffff9cef806b6fd6 CR3: 0000000102b92002 CR4: 00000000003706f0 [ 58.425092] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.435005] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1734, name: cat [ 58.443462] INFO: lockdep is turned off. [ 58.447838] irq event stamp: 0 [ 58.451245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.458237] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.467364] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.476501] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.483502] CPU: 0 PID: 1734 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 58.492144] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.498947] Call Trace: [ 58.501676] dump_stack+0x77/0x9b [ 58.505379] ___might_sleep.cold+0xa6/0xb6 [ 58.509958] exit_signals+0x1c/0x2e0 [ 58.513947] do_exit+0xd5/0xb00 [ 58.517452] ? ksys_write+0x68/0xf0 [ 58.521345] rewind_stack_do_exit+0x17/0x20 [ 58.526020] RIP: 0033:0x7f3f7783e8f3 [ 58.530000] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.550988] RSP: 002b:00007fffc1bbba08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.559447] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f3f7783e8f3 [ 58.567410] RDX: 000000000000000d RSI: 00007f3f77731000 RDI: 0000000000000001 [ 58.575371] RBP: 00007f3f77731000 R08: 00007f3f77730010 R09: 0000000000000000 [ 58.583340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.591309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 56.755929] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 56.761764] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.769736] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 56.777705] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 56.785676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.793647] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 56.801616] FS: 00007f7126c1e580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 56.810655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.817071] CR2: ffffffffa760c560 CR3: 00000001042ca003 CR4: 00000000003706f0 # [ 56.825044] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.834957] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1626, name: cat # [ 56.843413] INFO: lockdep is turned off. # [ 56.847790] irq event stamp: 0 # [ 56.851205] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.858211] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.867349] softirqs last enabled at (0): [][ 58.733465] lkdtm: Performing direct entry EXEC_RODATA copy_process+0x640/0x1c80 # [ 56.876476] softirqs last disab[ 58.741786] lkdtm: attempting ok execution at ffffffffa4cded80 led at (0): [<0000000000000000>] 0x0 # [ 56.883476] CPU: 0 PI[ 58.754551] lkdtm: attempting bad execution at ffffffffa599b320 D: 1626 Comm: cat Tainted: G D W 5.10.148-cip18 #1[ 58.767379] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.781912] BUG: unable to handle page fault for address: ffffffffa599b320 [ 58.789591] #PF: supervisor instruction fetch in kernel mode [ 58.795911] #PF: error_code(0x0011) - permissions violation [ 58.802156] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012e0000e1 [ 58.809940] Oops: 0011 [#9] SMP PTI [ 58.813833] CPU: 0 PID: 1770 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 58.822485] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.829292] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 58.835034] Code: ff ff 05 eb 33 a5 ff ff ff ff ca 22 d8 a5 ff ff ff ff 4b d2 33 a5 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 [ 58.856011] RSP: 0018:ffff9cef8244fe48 EFLAGS: 00010246 [ 58.861837] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.869806] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 [ 58.877777] RBP: ffffffffa599b320 R08: 0000000000000000 R09: 0000000000000000 [ 58.885748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.893720] R13: ffff9cef8244ff10 R14: ffff9cef8244ff10 R15: ffff90c3049c9000 [ 58.901692] FS: 00007f57738b4580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 58.910723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.917155] CR2: ffffffffa599b320 CR3: 0000000103ad0002 CR4: 00000000003706f0 [ 58.925126] Call Trace: [ 58.927879] ? execute_location+0x45/0x56 [ 58.932359] ? direct_entry.cold+0x2c/0x38 [ 58.936923] ? full_proxy_write+0x53/0x80 [ 58.941390] ? vfs_write+0xe7/0x3a0 [ 58.945282] ? ksys_write+0x68/0xf0 [ 58.949166] ? do_syscall_64+0x30/0x40 [ 58.953355] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.959206] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.985650] CR2: ffffffffa599b320 [ 58.989338] ---[ end trace 588c6fe2f2edbaf9 ]--- [ 58.994493] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.998860] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 59.019847] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 59.025681] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.033649] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 59.041618] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 59.049586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.057557] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 59.065527] FS: 00007f57738b4580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 59.074567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.080984] CR2: ffffffffa599b320 CR3: 0000000103ad0002 CR4: 00000000003706f0 # [ 56.892126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.898952] Call Trace: # [ 56.901681] dump_stack+0x77/0x9b # [ 56.905385] ___might_sleep.cold+0xa6/0xb6 # [ 56.909950] exit_signals+0x1c/0x2e0 # [ 56.913938] do_exit+0xd5/0xb00 # [ 56.917442] ? ksys_write+0x68/0xf0 # [ 56.921336] rewind_stack_do_exit+0x17/0x20 # [ 56.925996] RIP: 0033:0x7f7126b348f3 # [ 56.929974] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.950961] RSP: 002b:00007ffe09126ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.959408] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f7126b348f3 # [ 56.967378] RDX: 000000000000000a RSI: 00007f7126a27000 RDI: 0000000000000001 # [ 56.975348] RBP: 00007f7126a27000 R08: 00007f7126a26010 R09: 0000000000000000 # [ 56.983319] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.991290] 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 # [ 57.112026] lkdtm: Performing direct entry EXEC_STACK # [ 57.123014] lkdtm: attempting ok execution at ffffffffa4cded80 # [ 57.129553] lkdtm: attempting bad execution at ffff9cef8229fe18 # [ 57.136180] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.144544] BUG: unable to handle page fault for address: ffff9cef8229fe18 # [ 57.158437] #PF: supervisor instruction fetch in kernel mode # [ 57.164757] #PF: error_code(0x0011) - permissions violation # [ 57.170979] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103dca067 PTE 8000000103d57063 # [ 57.186241] Oops: 0011 [#6] SMP PTI # [ 57.190135] CPU: 3 PID: 1662 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 57.198790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.205587] RIP: 0010:0xffff9cef8229fe18 # [ 57.209963] Code: 00 00 18 fe 29 82 ef 9c ff ff 66 d5 33 a5 ff ff ff [ 59.294048] lkdtm: Performing direct entry EXEC_USERSPACE [ 59.306344] lkdtm: attempting ok execution at ffffffffa4cded80 ff 20 00 00 00 00 00 00 00 7e 20 d8 a5 ff ff ff ff 95 d6 33 a5 f[ 59.312871] lkdtm: attempting bad execution at 00007f103934e000 [ 59.325715] unable to execute userspace code (SMEP?) (uid: 0) f ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f [ 59.332142] BUG: unable to handle page fault for address: 00007f103934e000 [ 59.346036] #PF: supervisor instruction fetch in kernel mode [ 59.352357] #PF: error_code(0x0011) - permissions violation [ 59.358580] PGD 800000010302f067 P4D 800000010302f067 PUD 102a8e067 PMD 1040fb067 PTE 114b27067 [ 59.368302] Oops: 0011 [#10] SMP PTI [ 59.372292] CPU: 3 PID: 1806 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 59.380942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.387748] RIP: 0010:0x7f103934e000 [ 59.391736] Code: Unable to access opcode bytes at RIP 0x7f103934dfd6. [ 59.399026] RSP: 0018:ffff9cef824efe50 EFLAGS: 00010246 [ 59.404861] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 59.412831] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 59.420800] RBP: 00007f103934e000 R08: 0000000000000000 R09: 0000000000000000 [ 59.428771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 59.436741] R13: ffff9cef824eff10 R14: ffff9cef824eff10 R15: ffff90c304fbe000 [ 59.444712] FS: 00007f103931f580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 59.453743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.460158] CR2: 00007f103934e000 CR3: 000000010423a002 CR4: 00000000003706e0 [ 59.468130] Call Trace: [ 59.470859] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 59.476209] ? direct_entry.cold+0x2c/0x38 [ 59.480782] ? full_proxy_write+0x53/0x80 [ 59.485259] ? vfs_write+0xe7/0x3a0 [ 59.489155] ? ksys_write+0x68/0xf0 [ 59.493048] ? do_syscall_64+0x30/0x40 [ 59.497233] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.503071] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1f 44 00 00 55 # [ 57.230950] RSP: 0018:ffff9cef8229fdf8 EFLA[ 59.529532] CR2: 00007f103934e000 [ 59.539443] ---[ end trace 588c6fe2f2edbafa ]--- [ 59.544599] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.548977] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 59.569956] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 59.575790] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.583760] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 59.591731] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 59.599703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.607674] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 59.615646] FS: 00007f103931f580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 59.624684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.631100] CR2: 00007f103934e000 CR3: 000000010423a002 CR4: 00000000003706e0 GS: 00010246 # [ 57.236786] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.244748] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 # [ 57.252719] RBP: ffff9cef8229fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 57.260689] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 57.268659] R13: ffff9cef8229ff10 R14: ffff9cef8229ff10 R15: ffff90c303d0c000 # [ 57.276630] FS: 00007f6c2b884580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 57.285661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.292077] CR2: ffff9cef8229fe18 CR3: 00000001040d6005 CR4: 00000000003706e0 # [ 57.300047] Call Trace: # [ 57.302776] ? execute_location+0x45/0x56 # [ 57.307250] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 57.311725] ? direct_entry.cold+0x2c/0x38 # [ 57.316298] ? full_proxy_write+0x53/0x80 # [ 57.320775] ? vfs_write+0xe7/0x3a0 # [ 57.324668] ? ksys_write+0x68/0xf0 # [ 57.328562] ? do_syscall_64+0x30/0x40 # [ 57.332744] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.338582] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_senso[ 59.758821] lkdtm: Performing direct entry EXEC_NULL [ 59.768973] lkdtm: attempting ok execution at ffffffffa4cded80 [ 59.775518] lkdtm: attempting bad execution at 0000000000000000 [ 59.782165] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.789951] #PF: supervisor instruction fetch in kernel mode rhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_e[ 59.796272] #PF: error_code(0x0010) - not-present page [ 59.808221] PGD 0 P4D 0 c_dev cros_usbpd_notify # [ 57.365041] CR2: ffff9cef8229fe18[ 59.811048] Oops: 0010 [#11] SMP PTI [ 59.821250] CPU: 3 PID: 1842 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 59.829902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.836701] RIP: 0010:0x0 [ 59.839622] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 59.847301] RSP: 0018:ffff9cef8256fe48 EFLAGS: 00010246 [ 59.853159] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.861148] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 59.869122] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.877093] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 59.885063] R13: ffff9cef8256ff10 R14: ffff9cef8256ff10 R15: ffff90c305cca000 [ 59.893033] FS: 00007f9ad7c1e580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 59.902072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.908489] CR2: ffffffffffffffd6 CR3: 0000000104e70002 CR4: 00000000003706e0 [ 59.916459] Call Trace: [ 59.919207] execute_location+0x45/0x56 [ 59.923489] direct_entry.cold+0x2c/0x38 [ 59.927869] full_proxy_write+0x53/0x80 [ 59.932156] vfs_write+0xe7/0x3a0 [ 59.935854] ksys_write+0x68/0xf0 [ 59.939553] do_syscall_64+0x30/0x40 [ 59.943544] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.949185] RIP: 0033:0x7f9ad7b348f3 [ 59.953165] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.974159] RSP: 002b:00007ffeeca23688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.982618] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ad7b348f3 [ 59.990589] RDX: 000000000000000a RSI: 00007f9ad7a27000 RDI: 0000000000000001 [ 59.998560] RBP: 00007f9ad7a27000 R08: 00007f9ad7a26010 R09: 0000000000000000 [ 60.006531] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.014502] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.022478] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.374953] ---[ end trace 588c6fe2f2edbaf6 ]--- # [ 57[ 60.048937] CR2: 0000000000000000 [ 60.058850] ---[ end trace 588c6fe2f2edbafb ]--- [ 60.063996] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.068372] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 60.089356] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 60.095205] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.103177] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 60.111159] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 60.119147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.127120] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 60.135090] FS: 00007f9ad7c1e580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 60.144145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .380109] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.384484] Code: 89[ 60.150569] CR2: ffffffffffffffd6 CR3: 0000000104e70002 CR4: 00000000003706e0 [ 60.164756] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.174658] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1842, name: cat [ 60.183115] INFO: lockdep is turned off. [ 60.187490] irq event stamp: 0 [ 60.190895] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.197895] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.207030] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.216165] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.223167] CPU: 3 PID: 1842 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 60.231816] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.238623] Call Trace: [ 60.241351] dump_stack+0x77/0x9b [ 60.245051] ___might_sleep.cold+0xa6/0xb6 [ 60.249623] exit_signals+0x1c/0x2e0 [ 60.253605] do_exit+0xd5/0xb00 [ 60.257109] ? ksys_write+0x68/0xf0 [ 60.261003] rewind_stack_do_exit+0x17/0x20 [ 60.265672] RIP: 0033:0x7f9ad7b348f3 [ 60.269660] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.290646] RSP: 002b:00007ffeeca23688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.299103] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ad7b348f3 [ 60.307073] RDX: 000000000000000a RSI: 00007f9ad7a27000 RDI: 0000000000000001 [ 60.315043] RBP: 00007f9ad7a27000 R08: 00007f9ad7a26010 R09: 0000000000000000 [ 60.323013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.330985] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 57.405471] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 57.411306] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.419277] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 57.427248] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 57.435219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.443206] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 57.451176] FS: 00007f6c2b884580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 57.460215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.466630] CR2: ffff9cef8229fe18 CR3: 00000001040d6005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 57.580358] lkdtm: Performing direct entry EXEC_KMALLOC # [ 57.592364] lkdtm: attempting ok execution at ffffffffa4cded80 # [ 57.605098] lkdtm: attempting bad execution at ffff90c304db5440 # [ 57.617929] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.632504] BUG: unable to handle page fault for address: ffff90c304db5440 # [ 57.640186] #PF: supervisor instruction fetch in kernel mode # [ 57.646499] #PF: error_code(0x0011) - permissions violation # [ 57.652724] PGD 130001067 P4D 130001067 PUD 100214063 PMD 105632063 PTE 8000000104db5063 # [ 57.667980] Oops[ 60.496185] lkdtm: Performing direct entry ACCESS_USERSPACE : 0011 [#7] SMP PTI # [ 57.671873] CPU: 1 PID: 1698 Comm: cat[ 60.506918] lkdtm: attempting bad read at 00007f89b5b39000 Tainted: G D W 5.10.148-cip18 #1 # [ 57.680523][ 60.519244] BUG: unable to handle page fault for address: 00007f89b5b39000 [ 60.533107] #PF: supervisor read access in kernel mode [ 60.538835] #PF: error_code(0x0001) - permissions violation [ 60.545058] PGD 8000000103c51067 P4D 8000000103c51067 PUD 10417a067 PMD 102a66067 PTE 11502d067 [ 60.554788] Oops: 0001 [#12] SMP PTI [ 60.558777] CPU: 0 PID: 1877 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 60.567427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.574236] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 60.580465] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e8 2f d8 a5 e8 fc 99 fd ff 48 c7 c7 10 30 d8 a5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 e3 99 fd ff 48 89 ee 48 c7 c7 38 30 d8 [ 60.601453] RSP: 0018:ffff9cef825d7e48 EFLAGS: 00010246 [ 60.607277] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 60.615248] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffffffffa5d83010 [ 60.623218] RBP: 00007f89b5b39000 R08: 0000000000000000 R09: 0000000000000000 [ 60.631189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 60.639159] R13: ffff9cef825d7f10 R14: ffff9cef825d7f10 R15: ffff90c30405e000 [ 60.647129] FS: 00007f89b5b0a580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 60.656168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.662585] CR2: 00007f89b5b39000 CR3: 0000000103d20006 CR4: 00000000003706f0 [ 60.670556] Call Trace: [ 60.673284] direct_entry.cold+0x2c/0x38 [ 60.677668] full_proxy_write+0x53/0x80 [ 60.681956] vfs_write+0xe7/0x3a0 [ 60.685661] ksys_write+0x68/0xf0 [ 60.689360] do_syscall_64+0x30/0x40 [ 60.693351] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.698991] RIP: 0033:0x7f89b5a208f3 [ 60.702979] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.723967] RSP: 002b:00007ffecbb4c268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.732424] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f89b5a208f3 [ 60.740395] RDX: 0000000000000011 RSI: 00007f89b5913000 RDI: 0000000000000001 [ 60.748365] RBP: 00007f89b5913000 R08: 00007f89b5912010 R09: 0000000000000000 [ 60.756336] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.764306] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.772282] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.798728] CR2: 00007f89b5b39000 [ 60.802426] ---[ end trace 588c6fe2f2edbafc ]--- [ 60.807582] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.811960] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 60.832936] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 60.838770] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.846740] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 60.854710] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 60.862682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.870652] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 60.878623] FS: 00007f89b5b0a580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 [ 60.887662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.894078] CR2: 00007f89b5b39000 CR3: 0000000103d20006 CR4: 00000000003706f0 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.687329] RIP: 0010:0xffff90c304db5440 # [ 57.691707] Code: ff ff 30 a7 6f 05 c3 90 ff ff 01 00 00 00 c3 90 ff ff 00 00 00 00 00 00 00 00 c0 57 1b 84 be d6 ff ff 00 10 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 57.712685] RSP: 0018:ffff9cef82347e38 EFLAGS: 00010246 # [ 57.718519] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.726492] RDX: 0000000000000000 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 # [ 57.734463] RBP: ffff90c304db5440 R08: 0000000000000000 R09: 0000000000000000 # [ 57.742433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 57.750404] R13: ffff9cef82347f10 R14: ffff9cef82347f10 R15: ffff90c3032a3000 # [ 57.758375] FS: 00007f97777c9580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 57.767415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.773832] CR2: ffff90c304db5440 CR3: 0000000102bc0003 CR4: 00000000003706e0 # [ 57.781804] Call Trace: # [ 57.784533] ? execute_location+0x45/0x56 # [ 57.789009] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 57.799890] ? direct_entry.cold+0x2c/0x38 # [ 57.804463] ? full_proxy_write+0x53/0x80 # [ 57.808940] ? vfs_write+0xe7/0x3a0 # [ 57.812833] ? ksys_write+0x68/0xf0 # [ 57.816726] ? do_syscall_64+0x30/0x40 # [ 57.820911] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 61.043746] lkdtm: Performing direct entry ACCESS_NULL 57.826750] Modules linked in: fuse ip_tables cros_ec_sensors cro[ 61.050937] lkdtm: attempting bad read at 0000000000000000 s_ec_sensors_core industrialio_triggered_buffer kfifo_buf indust[ 61.063288] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 61.077269] #PF: supervisor read access in kernel mode [ 61.083006] #PF: error_code(0x0000) - not-present page [ 61.088736] PGD 0 P4D 0 rialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_[ 61.091562] Oops: 0000 [#13] SMP PTI [ 61.101767] CPU: 1 PID: 1912 Comm: cat Tainted: G D W 5.10.148-cip18 #1 debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_us[ 61.110418] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.123442] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 bpd_notify # [ 57.859394] CR2: ffff90c304db5440 # [ 57.863[ 61.128695] Code: a0 99 fd ff be 00 10 00 00 48 89 ef e8 c0 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 2f d8 a5 e8 7a 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 30 d8 a5 48 01 [ 61.155898] RSP: 0018:ffff9cef8267fe58 EFLAGS: 00010246 [ 61.161734] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 61.169705] RDX: 0000000000000000 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 [ 61.177675] RBP: ffffffffa5d820d9 R08: 0000000000000000 R09: 0000000000000000 [ 61.185647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 61.193619] R13: ffff9cef8267ff10 R14: ffff9cef8267ff10 R15: ffff90c3032ad000 [ 61.201589] FS: 00007f2019210580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 61.210628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.217044] CR2: 0000000000000000 CR3: 0000000104054004 CR4: 00000000003706e0 [ 61.225014] Call Trace: [ 61.227742] direct_entry.cold+0x2c/0x38 093] ---[ end trace 588c6fe2f2edbaf7 ]--- # [ 57.868247] RIP:[ 61.232123] full_proxy_write+0x53/0x80 [ 61.242617] vfs_write+0xe7/0x3a0 0010:lkdtm_BUG+0x5/0x10 # [ 57.872623] Code: 89 ff e8 6e b5 [ 61.246315] ksys_write+0x68/0xf0 [ 61.256228] do_syscall_64+0x30/0x40 [ 61.260219] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.265850] RIP: 0033:0x7f20191268f3 [ 61.269838] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.290825] RSP: 002b:00007ffc57b46638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.299271] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f20191268f3 [ 61.307241] RDX: 000000000000000c RSI: 00007f2019019000 RDI: 0000000000000001 [ 61.315211] RBP: 00007f2019019000 R08: 00007f2019018010 R09: 0000000000000000 [ 61.323193] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c[ 61.331171] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f [ 61.345361] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.378007] CR2: 0000000000000000 [ 61.381706] ---[ end trace 588c6fe2f2edbafd ]--- [ 61.386853] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.391230] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 61.412217] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 61.418051] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.426019] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 61.433989] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 61.441962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.449931] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 61.457902] FS: 00007f2019210580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 61.466931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.473347] CR2: 0000000000000000 CR3: 0000000104054004 CR4: 00000000003706e0 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 57.893612] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 57.899437] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.907409] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 57.915378] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 57.923348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.931319] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 57.939289] FS: 00007f97777c9580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 57.948327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.954744] CR2: ffff90c304db5440 CR3: 0000000102bc0003 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 58.075545] lkdtm: Performing direct entry EXEC_VMALLOC # [ 58.086681] lkdtm: attempting ok execution at ffffffffa4cded80 # [ 58.099422] lkdtm: attempting bad execution at ffff9cef806b7000 # [ 58.112265] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 58.126799] BU[ 61.597771] lkdtm: Performing direct entry WRITE_RO G: unable to handle page fault for address: ffff9cef806b7000 # [ 61.604878] lkdtm: attempting bad rodata write at ffffffffa599b310 [ 58.134478] #PF: supervisor instruction fetch in kernel mode[ 61.617999] BUG: unable to handle page fault for address: ffffffffa599b310 [ 61.631878] #PF: supervisor write access in kernel mode [ 61.637715] #PF: error_code(0x0003) - permissions violation #[ [ 58.140799] #PF: error_code(0x0011) - permissions violatio 61.643931] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012e0000e1 [ 61.657931] Oops: 0003 [#14] SMP PTI [ 61.661922] CPU: 1 PID: 1947 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 61.670573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.677378] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a n # [ 58.147012] PGD 100000067 P4D 100000067 PUD 10020b067 PM[ 61.682339] Code: 00 48 c7 c7 c8 2e d8 a5 48 c7 c6 10 b3 99 a5 e8 24 9c fd ff 48 8b 05 7a dd 65 00 ba 34 12 cd ab 48 c7 c7 f8 2e d8 a5 48 31 d0 <48> 89 05 64 dd 65 00 e9 02 9c fd ff 0f 1f 44 00 00 48 8b 05 73 0d [ 61.709537] RSP: 0018:ffff9cef82717e60 EFLAGS: 00010202 [ 61.715371] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 61.723341] RDX: 00000000abcd1234 RSI: ffff90c37ac9bf70 RDI: ffffffffa5d82ef8 [ 61.731310] RBP: ffffffffa5d820e5 R08: 0000000000000000 R09: 0000000000000000 [ 61.739280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 61.747251] R13: ffff9cef82717f10 R14: ffff9cef82717f10 R15: ffff90c304f16000 [ 61.755222] FS: 00007f36c1b8b580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 61.764253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.770671] CR2: ffffffffa599b310 CR3: 0000000104fb8006 CR4: 00000000003706e0 [ 61.778642] Call Trace: [ 61.781370] direct_entry.cold+0x2c/0x38 [ 61.785752] full_proxy_write+0x53/0x80 D 105c23067 PTE 80000001055c7063 # [ 58.156086] Oops: 0011 [#[ 61.790035] vfs_write+0xe7/0x3a0 [ 61.799944] ksys_write+0x68/0xf0 [ 61.803634] do_syscall_64+0x30/0x40 [ 61.807626] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.813266] RIP: 0033:0x7f36c1aa18f3 [ 61.817255] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.838240] RSP: 002b:00007ffee9515d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.846695] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f36c1aa18f3 [ 61.854666] RDX: 0000000000000009 RSI: 00007f36c1994000 RDI: 0000000000000001 [ 61.862637] RBP: 00007f36c1994000 R08: 00007f36c1993010 R09: 0000000000000000 [ 61.870610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.878579] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8] SMP PTI # [ 58.159979] CPU: 0 PID: 1734 Comm: cat Tainted:[ 61.886555] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.919208] CR2: ffffffffa599b310 [ 61.922905] ---[ end trace 588c6fe2f2edbafe ]--- [ 61.928052] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.932420] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 61.953407] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 61.959241] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.967211] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 61.975182] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 61.983154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.991125] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 61.999095] FS: 00007f36c1b8b580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 62.008154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.014571] CR2: ffffffffa599b310 CR3: 0000000104fb8006 CR4: 00000000003706e0 [ 62.022541] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 62.032453] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1947, name: cat [ 62.040909] INFO: lockdep is turned off. [ 62.045286] irq event stamp: 0 [ 62.048693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.055693] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.064829] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.073956] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.080946] CPU: 1 PID: 1947 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 62.089595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.096398] Call Trace: [ 62.099125] dump_stack+0x77/0x9b G D W 5.10.148-cip18 #1 # [ 58.168628] Hardware[ 62.102849] ___might_sleep.cold+0xa6/0xb6 [ 62.113632] exit_signals+0x1c/0x2e0 [ 62.117621] do_exit+0xd5/0xb00 [ 62.121115] ? ksys_write+0x68/0xf0 [ 62.125001] rewind_stack_do_exit+0x17/0x20 [ 62.129670] RIP: 0033:0x7f36c1aa18f3 [ 62.133659] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.154633] RSP: 002b:00007ffee9515d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.163082] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f36c1aa18f3 [ 62.171049] RDX: 0000000000000009 RSI: 00007f36c1994000 RDI: 0000000000000001 [ 62.179020] RBP: 00007f36c1994000 R08: 00007f36c1993010 R09: 0000000000000000 [ 62.186991] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.194961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.175436] RIP: 0010:0xffff9cef806b7000 # [ 58.179816] Code: Unable to access opcode bytes at RIP 0xffff9cef806b6fd6. # [ 58.187495] RSP: 0018:ffff9cef823c7e38 EFLAGS: 00010246 # [ 58.193321] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.201291] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 # [ 58.209261] RBP: ffff9cef806b7000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.217230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 58.225202] R13: ffff9cef823c7f10 R14: ffff9cef823c7f10 R15: ffff90c3055c7000 # [ 58.233174] FS: 00007f3f77928580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 58.242215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.248630] CR2: ffff9cef806b6fd6 CR3: 0000000102b92002 CR4: 00000000003706f0 # [ 58.256601] Call Trace: # [ 58.259330] ? execute_location+0x45/0x56 # [ 58.263810] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 58.268470] ? direct_entry.cold+0x2c/0x38 # [ 58.273041] ? full_proxy_write+0x53/0x80 # [ 58.277517] ? vfs_write+0xe7/0x3a0 # [ 58.281407] ? ksys_write+0x68/0xf0 # [ 58.285300] ? do_syscall_64+0x30/0x40 # [ 58.289485] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.295321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 62.336581] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sys[ 62.346212] lkdtm: attempting bad ro_after_init write at ffffffffa5dfe330 fs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_ch[ 62.360039] BUG: unable to handle page fault for address: ffffffffa5dfe330 [ 62.373899] #PF: supervisor write access in kernel mode [ 62.379736] #PF: error_code(0x0003) - permissions violation ar[dev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.385959] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012e4000e1 [ 62.399958] Oops: 0003 [#15] SMP PTI [ 62.403949] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.148-cip18 #1 58.321767] CR2: ffff9cef806b7000 # [ 58.325463] ---[ end trac[ 62.412602] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e [588c6fe2f2edbaf8 ]--- # [ 58.330616] RIP: 0010:lkdtm_BUG+0x 62.425627] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 62.437874] Code: 2f d8 a5 e9 d6 9b fd ff 48 c7 c7 50 2f d8 a5 e8 ca 9b fd ff 48 8b 05 40 0d ac 00 ba 34 12 cd ab 48 c7 c7 f8 2e d8 a5 48 31 d0 <48> 89 05 2a 0d ac 00 e9 a8 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 62.458856] RSP: 0018:ffff9cef82767e60 EFLAGS: 00010202 [ 62.464692] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 62.472663] RDX: 00000000abcd1234 RSI: ffff90c37ac9bf70 RDI: ffffffffa5d82ef8 [ 62.480632] RBP: ffffffffa5d820ee R08: 0000000000000000 R09: 0000000000000000 [ 62.488600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 62.496569] R13: ffff9cef82767f10 R14: ffff9cef82767f10 R15: ffff90c305c2e000 [ 62.504539] FS: 00007fd96c8bd580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 62.513576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.519990] CR2: ffffffffa5dfe330 CR3: 0000000104f5a006 CR4: 00000000003706e0 [ 62.527961] Call Trace: [ 62.530690] direct_entry.cold+0x2c/0x38 5/0x10 # [ 58.334994] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea [ 62.535071] full_proxy_write+0x53/0x80 [ 62.545561] vfs_write+0xe7/0x3a0 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 62.549261] ksys_write+0x68/0xf0 [ 62.559172] do_syscall_64+0x30/0x40 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 62.563164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.575016] RIP: 0033:0x7fd96c7d38f3 [ 62.579004] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.599991] RSP: 002b:00007ffc74b217c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.608439] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd96c7d38f3 [ 62.616406] RDX: 0000000000000014 RSI: 00007fd96c6c6000 RDI: 0000000000000001 [ 62.624377] RBP: 00007fd96c6c6000 R08: 00007fd96c6c5010 R09: 0000000000000000 [ 62.632347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.640316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0f 1f 44 00 00 83 05 60 db 92 02 # [ 58.355979] RSP: 0018:fff[ 62.648287] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.680931] CR2: ffffffffa5dfe330 [ 62.684629] ---[ end trace 588c6fe2f2edbaff ]--- [ 62.689786] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.694164] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 62.715157] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 [ 62.721010] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.728981] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 62.736952] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 62.744923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.752893] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 62.760863] FS: 00007fd96c8bd580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 62.769900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.776314] CR2: ffffffffa5dfe330 CR3: 0000000104f5a006 CR4: 00000000003706e0 f9cef8142fe60 EFLAGS: 00010282 # [ 58.361814] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.369784] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 58.377754] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 58.385726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.393696] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 58.401666] FS: 00007f3f77928580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 58.410705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.417122] CR2: ffff9cef806b6fd6 CR3: 0000000102b92002 CR4: 00000000003706f0 # [ 58.425092] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.435005] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1734, name: cat # [ 58.443462] INFO: lockdep is turned off. # [ 58.447838] irq event stamp: 0 # [ 58.451245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.458237] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.467364] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.476501] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.483502] CPU: 0 PID: 1734 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 58.492144] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.498947] Call Trace: # [ 58.501676] dump_stack+0x77/0x9b # [ 58.505379] ___might_sleep.cold+0xa6/0xb6 # [ 62.933764] lkdtm: Performing direct entry WRITE_KERN [ 58.509958] exit_signals+0x1c/0x2e0 # [ 58.513947] do_ex[ 62.945308] lkdtm: attempting bad 6678416 byte write at ffffffffa533d510 it+0xd5/0xb00 # [ 58.517452] ? ksys_write+0x68/0xf0 # [ 5[ 62.959020] BUG: unable to handle page fault for address: ffffffffa533d510 [ 62.972904] #PF: supervisor write access in kernel mode [ 62.978738] #PF: error_code(0x0003) - permissions violation [ 62.984959] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 12da000e1 [ 62.992061] Oops: 0003 [#16] SMP PTI [ 62.996048] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 63.004696] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.011502] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 8.521345] rewind_stack_do_exit+0x17/0x20 # [ 58.526020] RIP:[ 63.016658] Code: 53 48 c7 c3 10 d5 33 a5 49 89 dc 48 89 da 49 81 ec 80 ed cd a4 4c 89 e6 e8 7d 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 80 ed cd a4 a4 48 c7 c7 f8 2e d8 a5 e8 62 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 63.043852] RSP: 0018:ffff9cef8284fe50 EFLAGS: 00010246 [ 63.049676] RAX: 000000000000003c RBX: ffffffffa533d510 RCX: 000000000065e790 [ 63.057636] RDX: 0000000000000000 RSI: ffffffffa4cded80 RDI: ffffffffa533d510 [ 63.065606] RBP: ffffffffa5d82102 R08: 0000000000000000 R09: 0000000000000000 [ 63.073575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e790 [ 63.081543] R13: ffff9cef8284ff10 R14: ffff9cef8284ff10 R15: ffff90c302a99000 [ 63.089512] FS: 00007f02468a4580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 63.098548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.104961] CR2: ffffffffa533d510 CR3: 0000000104014006 CR4: 00000000003706e0 [ 63.112929] Call Trace: [ 63.115658] direct_entry.cold+0x2c/0x38 0033:0x7f3f7783e8f3 # [ 58.530000] Code: 8b 15 a1 25 0e 00 f[ 63.120039] full_proxy_write+0x53/0x80 [ 63.130530] vfs_write+0xe7/0x3a0 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18[ 63.134228] ksys_write+0x68/0xf0 [ 63.144158] do_syscall_64+0x30/0x40 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 63.148155] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.160005] RIP: 0033:0x7f02467ba8f3 [ 63.163991] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.184971] RSP: 002b:00007ffe8bcbbb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.193426] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f02467ba8f3 [ 63.201393] RDX: 000000000000000b RSI: 00007f02466ad000 RDI: 0000000000000001 [ 63.209361] RBP: 00007f02466ad000 R08: 00007f02466ac010 R09: 0000000000000000 [ 63.217329] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.225297] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.550988][ 63.233269] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.265903] CR2: ffffffffa533d510 [ 63.269599] ---[ end trace 588c6fe2f2edbb00 ]--- [ 63.274751] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.279126] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 [ 63.300147] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 RSP: 002b:00007fffc1bbba08 EFLAGS: 00000246 ORIG_RAX: 000000000[ 63.305987] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.320165] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 [ 63.328154] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 [ 63.336121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.344089] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 [ 63.352059] FS: 00007f02468a4580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 63.361095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.367510] CR2: ffffffffa533d510 CR3: 0000000104014006 CR4: 00000000003706e0 [ 63.375479] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.385388] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2017, name: cat [ 63.393842] INFO: lockdep is turned off. [ 63.398218] irq event stamp: 0 [ 63.401623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.408613] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.417748] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.426880] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.433877] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 63.442524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.449327] Call Trace: [ 63.452056] dump_stack+0x77/0x9b 0000001 # [ 58.559447] RAX: ffffffffffffffda RBX: 00000000000[ 63.455755] ___might_sleep.cold+0xa6/0xb6 [ 63.466537] exit_signals+0x1c/0x2e0 [ 63.470517] do_exit+0xd5/0xb00 [ 63.474013] ? ksys_write+0x68/0xf0 [ 63.477906] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 63.483350] rewind_stack_do_exit+0x17/0x20 [ 63.488018] RIP: 0033:0x7f02467ba8f3 [ 63.492005] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.512986] RSP: 002b:00007ffe8bcbbb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.521442] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f02467ba8f3 [ 63.529409] RDX: 000000000000000b RSI: 00007f02466ad000 RDI: 0000000000000001 [ 63.537377] RBP: 00007f02466ad000 R08: 00007f02466ac010 R09: 0000000000000000 [ 63.545345] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.553312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000d RCX: 00007f3f7783e8f3 # [ 58.567410] RDX: 000000000000000d RSI: 00007f3f77731000 RDI: 0000000000000001 # [ 58.575371] RBP: 00007f3f77731000 R08: 00007f3f77730010 R09: 0000000000000000 # [ 58.583340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.591309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 58.733465] lkdtm: Performing direct entry EXEC_RODATA # [ 58.741786] lkdtm: attempting ok execution at ffffffffa4cded80 # [ 58.754551] lkdtm: attempting bad execution at ffffffffa599b320 # [ 58.767379] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 58.781912] BUG: unable to handle page fault for address: ffffffffa599b320 # [ 58.789591] #PF: supervisor instruction fetch in kernel mode # [ 58.795911] #PF: error_code(0x0011) - permissions violation # [ 58.802156] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012e0000e1 # [ 58.809940] Oops: 0011 [#9] SMP PTI # [ 58.813833] CPU: 0 PID: 1770 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 58.822485] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.829292] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 58.835034] Code: ff ff 05 eb 33 a5 ff ff ff ff ca 22 d8 a5 ff[ 63.694944] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 63.705004] lkdtm: attempting good refcount_inc() without overflow [ 63.711922] lkdtm: attempting bad refcount_inc() overflow [ 63.717969] ------------[ cut here ]------------ [ 63.723136] refcount_t: saturated; leaking memory. [ 63.728519] WARNING: CPU: 3 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ff ff ff 4b d2 33 a5 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 [ 63.737953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.770598] CPU: 3 PID: 2052 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 63.779284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.786095] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 63.791962] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 51 35 94 01 00 75 ee 48 c7 c7 58 db d1 a5 c6 05 41 35 94 01 01 e8 1a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 [ 63.812955] RSP: 0018:ffff9cef828ffe48 EFLAGS: 00010286 [ 63.818823] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 63.826800] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 00 54 68 69 73 20 69 # [ 58.856011] RSP: 0018:ffff9cef8244fe[ 63.840993] RBP: ffffffffa5d8210d R08: 0000000000000000 R09: 0000000000000000 [ 63.855182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 48 EFLAGS: 00010246 # [ 58.861837] RAX: 0000000000000033 RBX:[ 63.863157] R13: ffff9cef828fff10 R14: ffff9cef828fff10 R15: ffff90c303297000 0000000000000000 RCX: 0000000000000000 # [ 58.869806] RDX: 0[ 63.877344] FS: 00007f05ad3ff580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 63.892604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.899024] CR2: 00007f05ad208000 CR3: 0000000103f4e005 CR4: 00000000003706e0 [ 63.906998] Call Trace: [ 63.909731] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 000000000000000 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 # [[ 63.915111] direct_entry.cold+0x2c/0x38 [ 63.925725] full_proxy_write+0x53/0x80 58.877777] RBP: ffffffffa599b320 R08: 0000000000000000 R09: 0[ 63.930024] vfs_write+0xe7/0x3a0 [ 63.939928] ksys_write+0x68/0xf0 [ 63.943630] do_syscall_64+0x30/0x40 [ 63.947647] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.953291] RIP: 0033:0x7f05ad3158f3 [ 63.957280] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.978268] RSP: 002b:00007ffc093239e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.986727] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f05ad3158f3 [ 63.994700] RDX: 0000000000000016 RSI: 00007f05ad208000 RDI: 0000000000000001 [ 64.002673] RBP: 00007f05ad208000 R08: 00007f05ad207010 R09: 0000000000000000 [ 64.010645] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.018616] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.026591] irq event stamp: 0 [ 64.030021] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000000 # [ 58.885748] R10: 00000000ffffe000 R11: 3ff[ 64.037026] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.052374] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.061513] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.068513] ---[ end trace 588c6fe2f2edbb01 ]--- [ 64.073670] lkdtm: Overflow detected: saturated fffffffffffff R12: 000000000000000c # [ 58.893720] R13: ffff9cef8244ff10 R14: ffff9cef8244ff10 R15: ffff90c3049c9000 # [ 58.901692] FS: 00007f57738b4580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 58.910723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.917155] CR2: ffffffffa599b320 CR3: 0000000103ad0002 CR4: 00000000003706f0 # [ 58.925126] Call Trace: # [ 58.927879] ? execute_location+0x45/0x56 # [ 58.932359] ? direct_entry.cold+0x2c/0x38 # [ 58.936923] ? full_proxy_write+0x53/0x80 # [ 58.941390] ? vfs_write+0xe7/0x3a0 # [ 58.945282] ? ksys_write+0x68/0xf0 # [ 58.949166] ? do_syscall_64+0x30/0x40 # [ 58.953355] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.959206] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.985650] CR2: ffffffffa599b320 # [ 58.989338] ---[ end trace 588c6fe2f2edbaf9 ]--- # [ 58.994493] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.998860] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff e[ 64.195057] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW b de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb[ 64.203703] lkdtm: attempting good refcount_add() without overflow c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0[ 64.216826] lkdtm: attempting bad refcount_add() overflow 0 00 83 05 60 db 92 02 # [ 59.019847] RSP: 0018:ffff9cef8142f[ 64.229071] ------------[ cut here ]------------ [ 64.240442] refcount_t: saturated; leaking memory. e60 EFLAGS: 00010282 # [ 59.025681] RAX: ffffffffa4cde9b0 RBX[ 64.245808] WARNING: CPU: 1 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 : 0000000000000001 RCX: 0000000000000000 # [ 59.033649] RDX: [ 64.261440] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 64.294106] CPU: 1 PID: 2084 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 59.041618] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: [ 64.308954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000001 # [ 59.049586] R10: 00000000ffffe000 R11: 3f[ 64.321976] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 64.334036] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 51 35 94 01 00 75 ee 48 c7 c7 58 db d1 a5 c6 05 41 35 94 01 01 e8 1a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 ffffffffffffff R12: 0000000000000004 # [ 59.057557] R13: ffff[ 64.355020] RSP: 0018:ffff9cef8297fe48 EFLAGS: 00010286 [ 64.367067] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ [ 64.375042] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 [ 64.389224] RBP: ffffffffa5d82123 R08: 0000000000000000 R09: 0000000000000000 59.065527] FS: 00007f57738b4580(0000) GS:ffff90c37ac00000(0000)[ 64.397205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 64.411387] R13: ffff9cef8297ff10 R14: ffff9cef8297ff10 R15: ffff90c304dcb000 [ 64.419361] FS: 00007fed46111580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 knlGS:0000000000000000 # [ 59.074567] CS: 0010 DS: 0000 ES:[ 64.428406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.441037] CR2: 00007fed45f1a000 CR3: 0000000102ab8006 CR4: 00000000003706e0 [ 64.449009] Call Trace: 0000 CR0: 0000000080050033 # [ 59.080984] CR2: ffffffffa599b[ 64.451744] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 320 CR3: 0000000103ad0002 CR4: 00000000003706f0 # EXEC_RODATA: [ 64.463300] direct_entry.cold+0x2c/0x38 saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh #[ 64.473897] full_proxy_write+0x53/0x80 selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 59.294048][ 64.484401] vfs_write+0xe7/0x3a0 lkdtm: Performing direct entry EXEC_USERSPACE # [ 59.306344][ 64.494341] ksys_write+0x68/0xf0 lkdtm: attempting ok execution at ffffffffa4cded80 # [ 59.31[ 64.504256] do_syscall_64+0x30/0x40 [ 64.514463] entry_SYSCALL_64_after_hwframe+0x61/0xc6 2871] lkdtm: attempting bad execution at 00007f103934e000 # [ [ 64.520109] RIP: 0033:0x7fed460278f3 [ 64.530319] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.551312] RSP: 002b:00007ffcfc4b7628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.559776] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fed460278f3 [ 64.567750] RDX: 0000000000000016 RSI: 00007fed45f1a000 RDI: 0000000000000001 [ 64.575726] RBP: 00007fed45f1a000 R08: 00007fed45f19010 R09: 0000000000000000 [ 64.583702] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.591679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59.325715] unable to execute userspace code (SMEP?) (uid: 0) #[ 64.599674] irq event stamp: 0 [ 64.609276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.332142] BUG: unable to handle page fault for address: 00[ 64.616278] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 007f103934e000 # [ 59.346036] #PF: supervisor instruction fet[ 64.631622] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ch in kernel mode # [ 59.352357] #PF: error_code(0x0011) - pe[ 64.646977] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.660209] ---[ end trace 588c6fe2f2edbb02 ]--- rmissions violation # [ 59.358580] PGD 800000010302f067 P4D 8[ 64.665367] lkdtm: Overflow detected: saturated 00000010302f067 PUD 102a8e067 PMD 1040fb067 PTE 114b27067 # [ 59.368302] Oops: 0011 [#10] SMP PTI # [ 59.372292] CPU: 3 PID: 1806 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 59.380942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.387748] RIP: 0010:0x7f103934e000 # [ 59.391736] Code: Unable to access opcode bytes at RIP 0x7f103934dfd6. # [ 59.399026] RSP: 0018:ffff9cef824efe50 EFLAGS: 00010246 # [ 59.404861] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 59.412831] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 # [ 59.420800] RBP: 00007f103934e000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.428771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 59.436741] R13: ffff9cef824eff10 R14: ffff9cef824eff10 R15: ffff90c304fbe000 # [ 59.444712] FS: 00007f103931f580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 59.453743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.460158] CR2: 00007f103934e000 CR3: 000000010423a002 CR4: 00000000003706e0 # [ 59.468130] Call Trace: # [ 59.470859] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 59.476209] ? direct_entry.cold+0x2c/0x38 # [ 59.480782] ? full_proxy_write+0x53/0x80 # [ 59.485259] ? vfs_write+0xe7/0x3a0 # [ 59.489155] ? ksys_write+0x68/0xf0 # [ 59.493048] ? do_syscall_64+0x30/0x40 # [ 59.497233] ? entry_SYSCALL_64_after_hw[ 64.818402] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 64.827174] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 64.834090] ------------[ cut here ]------------ [ 64.839250] refcount_t: saturated; leaking memory. [ 64.844654] WARNING: CPU: 3 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 frame+0x61/0xc6 # [ 59.503071] Modules linked in: fuse ip_tab[ 64.854091] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.886735] CPU: 3 PID: 2116 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 64.895414] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.902221] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 64.908055] Code: 01 01 e8 f7 74 95 00 0f 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 a5 c6 05 fc 34 94 01 01 e8 d4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 [ 64.929059] RSP: 0018:ffff9cef82a27e38 EFLAGS: 00010282 les cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 64.934906] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 64.949086] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 64.957057] RBP: ffffffffa5d81d60 R08: 0000000000000000 R09: 0000000000000000 [ 64.965027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.972999] R13: ffff9cef82a27f10 R14: ffff9cef82a27f10 R15: ffff90c3049c1000 [ 64.980970] FS: 00007fabc01fb580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 64.990010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.996429] CR2: 00007fabc0004000 CR3: 0000000102720004 CR4: 00000000003706e0 [ 65.004400] Call Trace: [ 65.007147] __refcount_add_not_zero.constprop.0+0x2a/0x35 buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cro[ 65.013285] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 65.025717] direct_entry.cold+0x2c/0x38 [ 65.030099] full_proxy_write+0x53/0x80 [ 65.034382] vfs_write+0xe7/0x3a0 s_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_ther[ 65.038082] ksys_write+0x68/0xf0 [ 65.047998] do_syscall_64+0x30/0x40 [ 65.051988] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.057629] RIP: 0033:0x7fabc01118f3 [ 65.061618] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.082602] RSP: 002b:00007ffea34876d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.091059] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fabc01118f3 [ 65.099030] RDX: 000000000000001f RSI: 00007fabc0004000 RDI: 0000000000000001 [ 65.107000] RBP: 00007fabc0004000 R08: 00007fabc0003010 R09: 0000000000000000 [ 65.114970] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.122933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.130909] irq event stamp: 0 [ 65.134348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.141351] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 mal cros_ec_dev cros_usbpd_notify # [ 59.529532] CR2: 00007f1[ 65.150490] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 03934e000 # [ 59.539443] ---[ end trace 588c6fe2f2edbafa ]---[ 65.165844] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.179062] ---[ end trace 588c6fe2f2edbb03 ]--- [ 65.184217] lkdtm: Overflow detected: saturated # [ 59.544599] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.548977] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 59.569956] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 59.575790] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.583760] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 59.591731] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 59.599703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.607674] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 59.615646] FS: 00007f103931f580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 59.624684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.631100] CR2: 00007f103934e000 CR3: 000000010423a002 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 59.758821] lkdtm: Performing direct entry EXEC_NULL # [ 59.768973] lkdtm: attempting ok execution at ffffffffa4cded80 # [ 59.775518] lkdtm: attempting bad execution at 0000000000000000 # [ 59.782165] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.789951] #PF: supervisor instruction fetch in kernel mode # [ 59.796272] #PF: error_code(0x0010) - not-present page # [ [ 65.335482] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 65.346086] lkdtm: attempting bad refcount_add_not_zero() overflow [ 65.353001] ------------[ cut here ]------------ 59.808221] PGD 0 P4D 0 # [ 59.811048] Oops: 0010 [#11] SMP[ 65.358164] refcount_t: saturated; leaking memory. [ 65.369756] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 PTI # [ 59.821250] CPU: 3 PID: 1842 Comm: cat Tainted: G [ 65.379187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.411827] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 65.420508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.427315] RIP: 0010:refcount_warn_saturate+0x97/0x110 D W 5.10.148-cip18 #1 # [ 59.829902] Hardware name:[ 65.433155] Code: 01 01 e8 f7 74 95 00 0f 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 a5 c6 05 fc 34 94 01 01 e8 d4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 [ 65.460355] RSP: 0018:ffff9cef82a97e38 EFLAGS: 00010282 [ 65.466215] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 65.474200] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 [ 65.482208] RBP: ffffffffa5d81d80 R08: 0000000000000000 R09: 0000000000000000 [ 65.490182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.498206] R13: ffff9cef82a97f10 R14: ffff9cef82a97f10 R15: ffff90c304eb8000 [ 65.506178] FS: 00007f2772304580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 [ 65.515217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.521626] CR2: 00007f277210d000 CR3: 00000001013f8003 CR4: 00000000003706e0 [ 65.529590] Call Trace: [ 65.532320] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 65.538473] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 65.544720] direct_entry.cold+0x2c/0x38 [ 65.549102] full_proxy_write+0x53/0x80 [ 65.553411] vfs_write+0xe7/0x3a0 [ 65.557152] ksys_write+0x68/0xf0 Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.836701] RIP: 0[ 65.560862] do_syscall_64+0x30/0x40 [ 65.571061] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.576703] RIP: 0033:0x7f277221a8f3 [ 65.580694] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.601678] RSP: 002b:00007fff0573da58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.610158] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f277221a8f3 010:0x0 # [ 59.839622] Code: Unable to access opcode bytes at[ 65.618131] RDX: 000000000000001f RSI: 00007f277210d000 RDI: 0000000000000001 [ 65.632311] RBP: 00007f277210d000 R08: 00007f277210c010 R09: 0000000000000000 [ 65.640274] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.648246] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.656222] irq event stamp: 0 RIP 0xffffffffffffffd6. # [ 59.847301] RSP: 0018:ffff9cef825[ 65.659656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.672870] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.682005] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.691159] softirqs last disabled at (0): [<0000000000000000>] 0x0 6fe48 EFLAGS: 00010246 # [ 59.853159] RAX: 0000000000000033 R[ 65.698160] ---[ end trace 588c6fe2f2edbb04 ]--- [ 65.709527] lkdtm: Overflow detected: saturated BX: 0000000000000000 RCX: 0000000000000000 # [ 59.861148] RDX: 0000000000000000 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 # [ 59.869122] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 59.877093] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 59.885063] R13: ffff9cef8256ff10 R14: ffff9cef8256ff10 R15: ffff90c305cca000 # [ 59.893033] FS: 00007f9ad7c1e580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 59.902072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.908489] CR2: ffffffffffffffd6 CR3: 0000000104e70002 CR4: 00000000003706e0 # [ 59.916459] Call Trace: # [ 59.919207] execute_location+0x45/0x56 # [ 59.923489] direct_entry.cold+0x2c/0x38 # [ 59.927869] full_proxy_write+0x53/0x80 # [ 59.932156] vfs_write+0xe7/0x3a0 # [ 59.935854] ksys_write+0x68/0xf0 # [ 59.939553] do_syscall_64+0x30/0x40 # [ 59.943544] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.949185] RIP: 0033:0x7f9ad7b348f3 # [ 59.953165] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.974159] RSP: 002b:00007ffeeca23688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.982618[ 65.843439] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ad7b34[ 65.851438] lkdtm: attempting good refcount_dec() 8f3 # [ 59.990589] RDX: 000000000000000a RSI: 00007f9ad7a2700[ 65.862927] lkdtm: attempting bad refcount_dec() to zero 0 RDI: 0000000000000001 # [ 59.998560] RBP: 00007f9ad7a27000 [ 65.875085] ------------[ cut here ]------------ R08: 00007f9ad7a26010 R09: 0000000000000000 # [ 60.006531] R1[ 65.886460] refcount_t: decrement hit 0; leaking memory. 0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001[ 65.898617] WARNING: CPU: 0 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 60.014502] R13: 0000000000000001 R14: 0000000000020000 R1[ 65.914254] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 5: 0000000000020000 # [ 60.022478] Modules linked in: fuse ip[ 65.946916] CPU: 0 PID: 2180 Comm: cat Tainted: G D W 5.10.148-cip18 #1 _tables cros_ec_sensors cros_ec_sensors_core industrialio_trigge[ 65.961745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 red_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar[ 65.974809] RIP: 0010:refcount_warn_saturate+0xfb/0x110 cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_[ 65.986881] Code: 08 dc d1 a5 c6 05 ad 34 94 01 01 e8 8a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 db d1 a5 c6 05 94 34 94 01 01 e8 70 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b thermal cros_ec_dev cros_usbpd_notify # [ 60.048937] CR2: 000[ 66.014090] RSP: 0018:ffff9cef82b27e48 EFLAGS: 00010286 0000000000000 # [ 60.058850] ---[ end trace 588c6fe2f2edbafb [ 66.026187] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 ]--- # [ 60.063996] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.06[ 66.040339] RDX: ffff90c37ac2c660 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 8372] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c[ 66.054547] RBP: ffffffffa5d82139 R08: 0000000000000000 R09: 0000000000000000 7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f[ 66.068712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 0[ 66.082936] R13: ffff9cef82b27f10 R14: ffff9cef82b27f10 R15: ffff90c302ba9000 5 60 db 92 02 # [ 60.089356] RSP: 0018:ffff9cef8142fe60 EFLAG[ 66.097093] FS: 00007f610835f580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 S: 00010282 # [ 60.095205] RAX: ffffffffa4cde9b0 RBX: 0000000[ 66.112377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000001 RCX: 0000000000000000 # [ 60.103177] RDX: 000000000[ 66.124982] CR2: 00007f6108168000 CR3: 000000010271e003 CR4: 00000000003706f0 0000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 60.11[ 66.139229] Call Trace: 1159] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 000000000[ 66.148154] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 0000001 # [ 60.119147] R10: 00000000ffffe000 R11: 3ffffffffff[ 66.159314] direct_entry.cold+0x2c/0x38 fffff R12: 0000000000000004 # [ 60.127120] R13: ffff9cef8142f[ 66.169898] full_proxy_write+0x53/0x80 f10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 60.135090[ 66.180404] vfs_write+0xe7/0x3a0 ] FS: 00007f9ad7c1e580(0000) GS:ffff90c37ad80000(0000) knlGS:00[ 66.190315] ksys_write+0x68/0xf0 00000000000000 # [ 60.144145] CS: 0010 DS: 0000 ES: 0000 CR0[ 66.200242] do_syscall_64+0x30/0x40 : 0000000080050033 # [ 60.150569] CR2: ffffffffffffffd6 CR3: [ 66.210440] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000104e70002 CR4: 00000000003706e0 # [ 60.164756] BUG: sl[ 66.222309] RIP: 0033:0x7f61082758f3 eeping function called from invalid context at include/linux/per[ 66.232507] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 cpu-rwsem.h:49 # [ 60.174658] in_atomic(): 0, irqs_disabled()[ 66.259739] RSP: 002b:00007fff59966878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 1, non_block: 0, pid: 1842, name: cat # [ 60.183115] INFO: [ 66.274379] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f61082758f3 lockdep is turned off. # [ 60.187490] irq event stamp: 0 # [[ 66.288578] RDX: 0000000000000012 RSI: 00007f6108168000 RDI: 0000000000000001 60.190895] hardirqs last enabled at (0): [<0000000000000000>[ 66.302761] RBP: 00007f6108168000 R08: 00007f6108167010 R09: 0000000000000000 ] 0x0 # [ 60.197895] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.207030] softirqs[ 66.331160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 last enabled at (0): [] copy_process+0x640/0[ 66.345359] irq event stamp: 0 x1c80 # [ 60.216165] softirqs last disabled at (0): [<0000000[ 66.354958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000>] 0x0 # [ 60.223167] CPU: 3 PID: 1842 Comm: cat Tai[ 66.368230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 nted: G D W 5.10.148-cip18 #1 # [ 60.231816] Har[ 66.383536] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.238[ 66.398927] softirqs last disabled at (0): [<0000000000000000>] 0x0 623] Call Trace: # [ 60.241351] dump_stack+0x77/0x9b # [ [ 66.412111] ---[ end trace 588c6fe2f2edbb05 ]--- 60.245051] ___might_sleep.cold+0xa6/0xb6 # [ 60.249623] exi[ 66.423485] lkdtm: Zero detected: saturated t_signals+0x1c/0x2e0 # [ 60.253605] do_exit+0xd5/0xb00 # [ 60.257109] ? ksys_write+0x68/0xf0 # [ 60.261003] rewind_stack_do_exit+0x17/0x20 # [ 60.265672] RIP: 0033:0x7f9ad7b348f3 # [ 60.269660] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.290646] RSP: 002b:00007ffeeca23688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.299103] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9ad7b348f3 # [ 60.307073] RDX: 000000000000000a RSI: 00007f9ad7a27000 RDI: 0000000000000001 # [ 60.315043] RBP: 00007f9ad7a27000 R08: 00007f9ad7a26010 R09: 0000000000000000 # [ 60.323013] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.330985] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 60.496185] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 60.506918] lkdtm: attempting bad read at 00007f89b5b39000 # [ 60.519244] BUG: unable to handle page fault for address: 00007f89b5b39000 # [ 60.533107] #PF: supervisor read access in kernel mode # [ 60.538835] #PF: er[ 66.560818] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 66.571667] lkdtm: attempting bad refcount_dec() below zero [ 66.577916] ------------[ cut here ]------------ [ 66.583096] refcount_t: decrement hit 0; leaking memory. [ 66.589061] WARNING: CPU: 2 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 66.598499] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.624957] CPU: 2 PID: 2215 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 66.633610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.640418] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 66.646255] Code: 08 dc d1 a5 c6 05 ad 34 94 01 01 e8 8a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 db d1 a5 c6 05 94 34 94 01 01 e8 70 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 66.667242] RSP: 0018:ffff9cef82bb7e48 EFLAGS: 00010286 [ 66.673078] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 66.681049] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 [ 66.689023] RBP: ffffffffa5d8214b R08: 0000000000000000 R09: 0000000000000000 ror_code(0x0001) - permissions violation # [ 60.545058] PGD 8[ 66.696997] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 000000103c51067 P4D 8000000103c51067 PUD 10417a067 PMD 102a66067[ 66.711188] R13: ffff9cef82bb7f10 R14: ffff9cef82bb7f10 R15: ffff90c3013d0000 [ 66.725382] FS: 00007fb6f08a8580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 PTE 11502d067 # [ 60.554788] Oops: 0001 [#12] SMP PTI # [ [ 66.734423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.747056] CR2: 00007fb6f06b1000 CR3: 0000000102958003 CR4: 00000000003706e0 [ 66.755044] Call Trace: [ 66.757809] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 66.763207] direct_entry.cold+0x2c/0x38 [ 66.767621] full_proxy_write+0x53/0x80 [ 66.771906] vfs_write+0xe7/0x3a0 [ 66.775631] ksys_write+0x68/0xf0 [ 66.779332] do_syscall_64+0x30/0x40 [ 66.783323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.788965] RIP: 0033:0x7fb6f07be8f3 [ 66.792954] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 60.558777] CPU: 0 PID: 1877 Comm: cat Tainted: G D W [ 66.813945] RSP: 002b:00007ffcc93bf2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.828618] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb6f07be8f3 [ 66.836590] RDX: 0000000000000016 RSI: 00007fb6f06b1000 RDI: 0000000000000001 [ 66.844563] RBP: 00007fb6f06b1000 R08: 00007fb6f06b0010 R09: 0000000000000000 [ 66.852535] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.860509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.868485] irq event stamp: 0 [ 66.871915] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.878918] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.888056] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.897216] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.904219] ---[ end trace 588c6fe2f2edbb06 ]--- [ 66.909374] lkdtm: Negative detected: saturated 5.10.148-cip18 #1 # [ 60.567427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.574236] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 60.580465] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e8 2f d8 a5 e8 fc 99 fd ff 48 c7 c7 10 30 d8 a5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 e3 99 fd ff 48 89 ee 48 c7 c7 38 30 d8 # [ 60.601453] RSP: 0018:ffff9cef825d7e48 EFLAGS: 00010246 # [ 60.607277] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 60.615248] RDX: 0000000000000000 RSI: ffff90c37ac1bf70 RDI: ffffffffa5d83010 # [ 60.623218] RBP: 00007f89b5b39000 R08: 0000000000000000 R09: 0000000000000000 # [ 60.631189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 60.639159] R13: ffff9cef825d7f10 R14: ffff9cef825d7f10 R15: ffff90c30405e000 # [ 60.647129] FS: 00007f89b5b0a580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 # [ 60.656168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.662585] CR2: 00007f89b5b39000 CR3: 0000000103d20006 CR4: 00000000003706f0 # [ 60.670556] Call Trace: # [ 60.673284] direct_entry.cold+0x2c/0x38 # [ 60.677668] full_proxy_write+0x53/0x80 # [ 60.681956] vfs_write+0xe7/0x3a0 # [ 60.685661] ksys_write+0x68/0xf0 # [ 60.689360] do_syscall_64+0x30/0x40 # [ 60.693351] entry_SYSCALL_64_after_hwframe+0x61/0[ 67.048503] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 67.058814] lkdtm: attempting bad refcount_dec_and_test() below zero xc6 # [ 60.698991] RIP: 0033:0x7f89b5a208f3 # [ 60.702979][ 67.065928] ------------[ cut here ]------------ Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 67.077294] refcount_t: underflow; use-after-free. b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 67.088869] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 67.104507] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 67.130963] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 67.145845] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 54 24 18 # [ 60.723967] RSP: 002b:00007ffecbb4c268 EFLAGS: 00[ 67.152665] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 67.164708] Code: 01 01 e8 d4 74 95 00 0f 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 a5 c6 05 d6 34 94 01 01 e8 b1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d c1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 67.185691] RSP: 0018:ffff9cef82c2fe40 EFLAGS: 00010286 [ 67.191528] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 67.199499] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 67.207469] RBP: ffffffffa5d81da0 R08: 0000000000000000 R09: 0000000000000000 [ 67.215439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 67.223411] R13: ffff9cef82c2ff10 R14: ffff9cef82c2ff10 R15: ffff90c3049c9000 [ 67.231385] FS: 00007f8b4a50e580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 67.240425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.246843] CR2: 00007f8b4a317000 CR3: 00000001013d0003 CR4: 00000000003706e0 [ 67.254816] Call Trace: [ 67.257548] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 67.263700] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 67.269927] direct_entry.cold+0x2c/0x38 [ 67.274308] full_proxy_write+0x53/0x80 [ 67.278592] vfs_write+0xe7/0x3a0 [ 67.282316] ksys_write+0x68/0xf0 [ 67.286017] do_syscall_64+0x30/0x40 [ 67.290008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.295651] RIP: 0033:0x7f8b4a4248f3 [ 67.299642] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.320631] RSP: 002b:00007ffffdfd1b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.329090] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8b4a4248f3 [ 67.337062] RDX: 000000000000001f RSI: 00007f8b4a317000 RDI: 0000000000000001 [ 67.345025] RBP: 00007f8b4a317000 R08: 00007f8b4a316010 R09: 0000000000000000 000246 ORIG_RAX: 0000000000000001 # [ 60.732424] RAX: fffffff[ 67.353000] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.367194] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffda RBX: 0000000000000011 RCX: 00007f89b5a208f3 # [ 60.[ 67.375172] irq event stamp: 0 [ 67.384789] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.391790] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.400929] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.410070] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.417072] ---[ end trace 588c6fe2f2edbb07 ]--- [ 67.422229] lkdtm: Negative detected: saturated 740395] RDX: 0000000000000011 RSI: 00007f89b5913000 RDI: 0000000000000001 # [ 60.748365] RBP: 00007f89b5913000 R08: 00007f89b5912010 R09: 0000000000000000 # [ 60.756336] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.764306] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.772282] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.798728] CR2: 00007f89b5b39000 # [ 60.802426] ---[ end trace 588c6fe2f2edbafc ]--- # [ 60.807582] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.811960] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 60.832936] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 60.838770] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.846740] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 60.854710] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 60.862682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.870652] R13: ffff9cef8142ff10 R14: ffff9[ 67.563926] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 67.571721] lkdtm: attempting bad refcount_sub_and_test() below zero [ 67.578876] ------------[ cut here ]------------ cef8142ff10 R15: ffff90c304f7a000 # [ 60.878623] FS: 00007f8[ 67.584049] refcount_t: underflow; use-after-free. [ 67.595638] WARNING: CPU: 3 PID: 2285 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 9b5b0a580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000[ 67.605072] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.637716] CPU: 3 PID: 2285 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 60.887662] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 67.646402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.659430] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 67.665297] Code: 01 01 e8 d4 74 95 00 0f 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 a5 c6 05 d6 34 94 01 01 e8 b1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d c1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 67.686286] RSP: 0018:ffff9cef82cafe40 EFLAGS: 00010286 [ 67.692127] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 67.700100] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 67.708074] RBP: ffffffffa5d81dc0 R08: 0000000000000000 R09: 0000000000000000 [ 67.716048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 67.724021] R13: ffff9cef82caff10 R14: ffff9cef82caff10 R15: ffff90c30405e000 [ 67.731994] FS: 00007efee1440580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 67.741035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.747455] CR2: 00007efee1249000 CR3: 000000010329a004 CR4: 00000000003706e0 [ 67.755426] Call Trace: 0033 # [ 60.894078] CR2: 00007f89b5b39000 CR3: 0000000103d200[ 67.758170] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 67.770512] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 67.776769] direct_entry.cold+0x2c/0x38 [ 67.781195] full_proxy_write+0x53/0x80 [ 67.785510] vfs_write+0xe7/0x3a0 [ 67.789210] ksys_write+0x68/0xf0 [ 67.792912] do_syscall_64+0x30/0x40 [ 67.796903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.802547] RIP: 0033:0x7efee13568f3 [ 67.806538] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.827527] RSP: 002b:00007ffe6dc493e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.835987] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efee13568f3 [ 67.843959] RDX: 000000000000001f RSI: 00007efee1249000 RDI: 0000000000000001 [ 67.851933] RBP: 00007efee1249000 R08: 00007efee1248010 R09: 0000000000000000 [ 67.859906] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.867879] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.875856] irq event stamp: 0 [ 67.879294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.886295] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.895434] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.904572] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.911574] ---[ end trace 588c6fe2f2edbb08 ]--- 06 CR4: 00000000003706f0 # ACCESS_USERSPACE: saw 'call trace:':[ 67.916731] lkdtm: Negative detected: saturated ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 61.043746] lkdtm: Performing direct entry ACCESS_NULL # [ 61.050937] lkdtm: attempting bad read at 0000000000000000 # [ 61.063288] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 61.077269] #PF: supervisor read access in kernel mode # [ 61.083006] #PF: error_code(0x0000) - not-present page # [ 61.088736] PGD 0 P4D 0 # [ 61.091562] Oops: 0000 [#13] SMP PTI # [ 61.101767] CPU: 1 PID: 1912 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 61.110418] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.123442] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 61.128695] Code: a0 99 fd ff be 00 10 00 00 48 89 ef e8 c0 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e8 2f d8 a5 e8 7a 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 10 30 d8 a5 48 01 # [ 61.155898] RSP: 0018:ffff9cef8267fe58 EFLAGS: 00010246 # [ 61.161734] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 61.169705] RDX: 0000000000000000 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 # [ 61.177675] RBP: ffffffffa5d820d9 R08: 0000000000000000 R09: 0000000000000000 # [ 61.185647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 61.193619] R13: ffff9cef8267ff10 R14: ffff9cef8267ff10 R15: ffff90c3032ad000 # [ 61.201589] FS: 00007f2019210580(0000) GS:ffff9[ 68.065902] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 0c37ac80000(0000) knlGS:0000000000000000 # [ 61.210628] CS: [ 68.077406] lkdtm: attempting safe refcount_inc_not_zero() from zero 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.217044] C[ 68.090747] lkdtm: Good: zero detected [ 68.101115] lkdtm: Correctly stayed at zero R2: 0000000000000000 CR3: 0000000104054004 CR4: 00000000003706e0[ 68.105787] lkdtm: attempting bad refcount_inc() from zero # [ 61.225014] Call Trace: # [ 61.227742] direct_entry.c[ 68.118124] ------------[ cut here ]------------ old+0x2c/0x38 # [ 61.232123] full_proxy_write+0x53/0x80 # [[ 68.129520] refcount_t: addition on 0; use-after-free. 61.242617] vfs_write+0xe7/0x3a0 # [ 61.246315] ksys_writ[ 68.141503] WARNING: CPU: 1 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 e+0x68/0xf0 # [ 61.256228] do_syscall_64+0x30/0x40 # [ 61[ 68.157115] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .260219] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.265[ 68.189754] CPU: 1 PID: 2317 Comm: cat Tainted: G D W 5.10.148-cip18 #1 850] RIP: 0033:0x7f20191268f3 # [ 61.269838] Code: 8b 15 a1 2[ 68.204618] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b[ 68.217644] RIP: 0010:refcount_warn_saturate+0x74/0x110 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f[ 68.229696] Code: 01 01 e8 1a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 a5 c6 05 1d 35 94 01 01 e8 f7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 6[ 68.256890] RSP: 0018:ffff9cef82d0fe48 EFLAGS: 00010286 1.290825] RSP: 002b:00007ffc57b46638 EFLAGS: 00000246 ORIG_RAX: [ 68.268969] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 0000000000000001 # [ 61.299271] RAX: ffffffffffffffda RBX: 00[ 68.283127] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 [ 68.297310] RBP: ffffffffa5d82161 R08: 0000000000000000 R09: 0000000000000000 0000000000000c RCX: 00007f20191268f3 # [ 61.307241] RDX: 0000[ 68.305283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 68.319462] R13: ffff9cef82d0ff10 R14: ffff9cef82d0ff10 R15: ffff90c303f30000 00000000000c RSI: 00007f2019019000 RDI: 0000000000000001 # [ [ 68.327434] FS: 00007f5019eea580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 61.315211] RBP: 00007f2019019000 R08: 00007f2019018010 R09: 0000[ 68.342683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.355312] CR2: 00007f5019cf3000 CR3: 0000000102bae001 CR4: 00000000003706e0 000000000000 # [ 61.323193] R10: fffffffffffffbc5 R11: 000000[ 68.363286] Call Trace: 0000000246 R12: 0000000000000001 # [ 61.331171] R13: 00000000[ 68.372231] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 00000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.3[ 68.383406] direct_entry.cold+0x2c/0x38 45361] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec[ 68.394023] full_proxy_write+0x53/0x80 _sensors_core industrialio_triggered_buffer kfifo_buf industrial[ 68.404518] vfs_write+0xe7/0x3a0 [ 68.414430] ksys_write+0x68/0xf0 io cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debu[ 68.418148] do_syscall_64+0x30/0x40 gfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_[ 68.428330] entry_SYSCALL_64_after_hwframe+0x61/0xc6 notify # [ 61.378007] CR2: 0000000000000000 # [ 61.381706][ 68.440184] RIP: 0033:0x7f5019e008f3 [ 68.450388] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ---[ end trace 588c6fe2f2edbafd ]--- # [ 61.386853] RIP: 001[ 68.471394] RSP: 002b:00007fffc9ab2a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.486066] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5019e008f3 [ 68.494041] RDX: 0000000000000012 RSI: 00007f5019cf3000 RDI: 0000000000000001 [ 68.502016] RBP: 00007f5019cf3000 R08: 00007f5019cf2010 R09: 0000000000000000 [ 68.509989] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.517965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.525947] irq event stamp: 0 [ 68.529363] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.536365] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0:lkdtm_BUG+0x5/0x10 # [ 61.391230] Code: 89 ff e8 6e b5 a3 f[ 68.545504] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.560854] softirqs last disabled at (0): [<0000000000000000>] 0x0 f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc[ 68.567856] ---[ end trace 588c6fe2f2edbb09 ]--- 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 68.579223] lkdtm: Zero detected: saturated 0 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 61.412217] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 61.418051] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.426019] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 61.433989] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 61.441962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.449931] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 61.457902] FS: 00007f2019210580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 61.466931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.473347] CR2: 0000000000000000 CR3: 0000000104054004 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 61.597771] lkdtm: Performing direct entry WRITE_RO # [ 61.604878] lkdtm: attempting bad rodata write at ffffffffa599b310 # [ 61.617999] BUG: unable to handle page fault for address: ffffffffa599b310 # [ 61.631878] #PF: supervisor write access in kernel mode # [ 61.637715] #PF: error_code(0x0003) - p[ 68.706358] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ermissions violation # [ 61.643931] PGD 12e829067 P4D 12e8290[ 68.714568] lkdtm: attempting safe refcount_add_not_zero() from zero 67 PUD 12e82a063 PMD 800000012e0000e1 # [ 61.657931] Oops: 0[ 68.727907] lkdtm: Good: zero detected 003 [#14] SMP PTI # [ 61.661922] CPU: 1 PID: 1947 Comm: cat T[ 68.738315] lkdtm: Correctly stayed at zero ainted: G D W 5.10.148-cip18 #1 # [ 61.670573] H[ 68.749217] lkdtm: attempting bad refcount_add() from zero ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.6[ 68.761567] ------------[ cut here ]------------ 77378] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 61.682339] Code[ 68.772942] refcount_t: addition on 0; use-after-free. : 00 48 c7 c7 c8 2e d8 a5 48 c7 c6 10 b3 99 a5 e8 24 9c fd ff 48[ 68.784923] WARNING: CPU: 0 PID: 2349 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 8b 05 7a dd 65 00 ba 34 12 cd ab 48 c7 c7 f8 2e d8 a5 48 31 d0 [ 68.800561] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <48> 89 05 64 dd 65 00 e9 02 9c fd ff 0f 1f 44 00 00 48 8b 05 73[ 68.833232] CPU: 0 PID: 2349 Comm: cat Tainted: G D W 5.10.148-cip18 #1 0d # [ 61.709537] RSP: 0018:ffff9cef82717e60 EFLAGS: 0001020[ 68.848148] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 2 # [ 61.715371] RAX: 000000000198b861 RBX: 0000000000000028 [ 68.861135] RIP: 0010:refcount_warn_saturate+0x74/0x110 RCX: 0000000000000000 # [ 61.723341] RDX: 00000000abcd1234 RS[ 68.873217] Code: 01 01 e8 1a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 a5 c6 05 1d 35 94 01 01 e8 f7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 I: ffff90c37ac9bf70 RDI: ffffffffa5d82ef8 # [ 61.731310] RBP:[ 68.900412] RSP: 0018:ffff9cef82d97e48 EFLAGS: 00010286 ffffffffa5d820e5 R08: 0000000000000000 R09: 0000000000000000 #[ 68.912475] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 61.739280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 68.926654] RDX: ffff90c37ac2c660 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 0000000000000009 # [ 61.747251] R13: ffff9cef82717f10 R14: f[ 68.940843] RBP: ffffffffa5d82173 R08: 0000000000000000 R09: 0000000000000000 fff9cef82717f10 R15: ffff90c304f16000 # [ 61.755222] FS: 000[ 68.955032] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 07f36c1b8b580(0000) GS:ffff90c37ac80000(0000) knlGS:000000000000[ 68.969231] R13: ffff9cef82d97f10 R14: ffff9cef82d97f10 R15: ffff90c30567d000 0000 # [ 61.764253] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 68.983420] FS: 00007fa8ce615580(0000) GS:ffff90c37ac00000(0000) knlGS:0000000000000000 80050033 # [ 61.770671] CR2: ffffffffa599b310 CR3: 0000000104[ 68.998697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fb8006 CR4: 00000000003706e0 # [ 61.778642] Call Trace: # [ [ 69.011326] CR2: 00007fa8ce41e000 CR3: 0000000104e98004 CR4: 00000000003706f0 61.781370] direct_entry.cold+0x2c/0x38 # [ 61.785752] ful[ 69.025542] Call Trace: l_proxy_write+0x53/0x80 # [ 61.790035] vfs_write+0xe7/0x3a0[ 69.034482] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 61.799944] ksys_write+0x68/0xf0 # [ 61.803634] do_sy[ 69.045691] direct_entry.cold+0x2c/0x38 scall_64+0x30/0x40 # [ 61.807626] entry_SYSCALL_64_after_hwf[ 69.056272] full_proxy_write+0x53/0x80 rame+0x61/0xc6 # [ 61.813266] RIP: 0033:0x7f36c1aa18f3 # [ [ 69.066785] vfs_write+0xe7/0x3a0 61.817255] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff f[ 69.076695] ksys_write+0x68/0xf0 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 69.086643] do_syscall_64+0x30/0x40 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 69.096840] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c 28 48 89 54 24 18 # [ 61.838240] RSP: 002b:00007ffee9515d78[ 69.108728] RIP: 0033:0x7fa8ce52b8f3 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.846695] R[ 69.118919] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 AX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f36c1aa18f3[ 69.146134] RSP: 002b:00007ffe31c70d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.854666] RDX: 0000000000000009 RSI: 00007f36c1994000 R[ 69.160797] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa8ce52b8f3 DI: 0000000000000001 # [ 61.862637] RBP: 00007f36c1994000 R08[ 69.175005] RDX: 0000000000000012 RSI: 00007fa8ce41e000 RDI: 0000000000000001 : 00007f36c1993010 R09: 0000000000000000 # [ 61.870610] R10: [ 69.189178] RBP: 00007fa8ce41e000 R08: 00007fa8ce41d010 R09: 0000000000000000 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.203389] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.878579] R13: 0000000000000001 R14: 0000000000020000 R15: [ 69.217573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000020000 # [ 61.886555] Modules linked in: fuse ip_ta[ 69.231791] irq event stamp: 0 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 69.241397] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cr[ 69.254641] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 os_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_the[ 69.269979] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 rmal cros_ec_dev cros_usbpd_notify # [ 61.919208] CR2: ffffff[ 69.285364] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffa599b310 # [ 61.922905] ---[ end trace 588c6fe2f2edbafe ]--[ 69.298556] ---[ end trace 588c6fe2f2edbb0a ]--- - # [ 61.928052] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.93242[ 69.309928] lkdtm: Zero detected: saturated 0] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 61.953407] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 61.959241] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.967211] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 61.975182] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 61.983154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.991125] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 61.999095] FS: 00007f36c1b8b580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 62.008154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.014571] CR2: ffffffffa599b310 CR3: 0000000104fb8006 CR4: 00000000003706e0 # [ 62.022541] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.032453] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1947, name: cat # [ 62.040909] INFO: lockdep is turned off. # [ 62.045286] irq event stamp: 0 # [ 62.048693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.055693] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.064829] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.073956] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.080946] CPU: 1 PID: 1947 Comm: cat Tainte[ 69.472248] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 69.482989] lkdtm: attempting bad refcount_inc() from saturated [ 69.489615] ------------[ cut here ]------------ [ 69.494778] refcount_t: saturated; leaking memory. d: G D W 5.10.148-cip18 #1 # [ 62.089595] Hardwa[ 69.500161] WARNING: CPU: 2 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 69.515808] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.096398[ 69.542264] CPU: 2 PID: 2384 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 69.557123] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.563930] RIP: 0010:refcount_warn_saturate+0x51/0x110 ] Call Trace: # [ 62.099125] dump_stack+0x77/0x9b # [ 62.[ 69.569770] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 51 35 94 01 00 75 ee 48 c7 c7 58 db d1 a5 c6 05 41 35 94 01 01 e8 1a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 102849] ___might_sleep.cold+0xa6/0xb6 # [ 62.113632] exit_s[ 69.596974] RSP: 0018:ffff9cef82e47e48 EFLAGS: 00010286 [ 69.609030] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 69.617033] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 [ 69.625005] RBP: ffffffffa5d82185 R08: 0000000000000000 R09: 0000000000000000 [ 69.632977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 69.640948] R13: ffff9cef82e47f10 R14: ffff9cef82e47f10 R15: ffff90c304d57000 [ 69.648928] FS: 00007fa20bf23580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 ignals+0x1c/0x2e0 # [ 62.117621] do_exit+0xd5/0xb00 # [ 6[ 69.657997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.670621] CR2: 00007fa20bd2c000 CR3: 0000000105d7e002 CR4: 00000000003706e0 [ 69.678592] Call Trace: [ 69.681323] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 2.121115] ? ksys_write+0x68/0xf0 # [ 62.125001] rewind_stac[ 69.686800] direct_entry.cold+0x2c/0x38 [ 69.697389] full_proxy_write+0x53/0x80 [ 69.701679] vfs_write+0xe7/0x3a0 [ 69.705410] ksys_write+0x68/0xf0 [ 69.709112] do_syscall_64+0x30/0x40 [ 69.713130] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.718798] RIP: 0033:0x7fa20be398f3 [ 69.722791] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.743774] RSP: 002b:00007ffeb7f10c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.752234] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fa20be398f3 [ 69.760209] RDX: 0000000000000017 RSI: 00007fa20bd2c000 RDI: 0000000000000001 [ 69.768195] RBP: 00007fa20bd2c000 R08: 00007fa20bd2b010 R09: 0000000000000000 [ 69.776209] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.784180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 k_do_exit+0x17/0x20 # [ 62.129670] RIP: 0033:0x7f36c1aa18f3 [ 69.792166] irq event stamp: 0 [ 69.801784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.808787] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.817928] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.827065] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.834066] ---[ end trace 588c6fe2f2edbb0b ]--- [ 69.839223] lkdtm: Saturation detected: still saturated # [ 62.133659] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.154633] RSP: 002b:00007ffee9515d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.163082] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f36c1aa18f3 # [ 62.171049] RDX: 0000000000000009 RSI: 00007f36c1994000 RDI: 0000000000000001 # [ 62.179020] RBP: 00007f36c1994000 R08: 00007f36c1993010 R09: 0000000000000000 # [ 62.186991] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.194961] 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 # [ 62.336581] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 62.346212] lkdtm: attempting bad ro_after_init write at ffffffffa5dfe330 # [ 62.360039] BUG: unable to handle page fault for address: ffffffffa5dfe330 # [ 62.373899] #PF: supervisor write access in kernel mode # [ 62.379736] #PF: error_code(0x0003) - permissions violation # [ 62.385959] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 800000012e4000e1 # [ 62.399958] Oops: 0003 [#15] SMP PTI # [ 62.403949] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 62.412602] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.425627] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 62.437874] Code: 2f d8 a5 e9 d6[ 69.999825] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 70.007372] lkdtm: attempting bad refcount_dec() from saturated 9b fd ff 48 c7 c7 50 2f d8 a5 e8 ca 9b fd ff 48 8b 05 40 0d ac [ 70.014001] ------------[ cut here ]------------ 00 ba 34 12 cd ab 48 c7 c7 f8 2e d8 a5 48 31 d0 <48> 89 05 2a 0d[ 70.025371] refcount_t: decrement hit 0; leaking memory. ac 00 e9 a8 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 62.45[ 70.037532] WARNING: CPU: 2 PID: 2419 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 8856] RSP: 0018:ffff9cef82767e60 EFLAGS: 00010202 # [ 62.4646[ 70.053164] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.085798] CPU: 2 PID: 2419 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 70.094457] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 92] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00000000000[ 70.101267] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 70.113311] Code: 08 dc d1 a5 c6 05 ad 34 94 01 01 e8 8a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 db d1 a5 c6 05 94 34 94 01 01 e8 70 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00000 # [ 62.472663] RDX: 00000000abcd1234 RSI: ffff90c37ac9b[ 70.134293] RSP: 0018:ffff9cef82edfe48 EFLAGS: 00010286 f70 RDI: ffffffffa5d82ef8 # [ 62.480632] RBP: ffffffffa5d820e[ 70.146338] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 70.160522] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 e R08: 0000000000000000 R09: 0000000000000000 # [ 62.488600] [ 70.168493] RBP: ffffffffa5d8219c R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001[ 70.182673] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 70.196861] R13: ffff9cef82edff10 R14: ffff9cef82edff10 R15: ffff90c30558f000 4 [ 70.204832] FS: 00007f3ec76a1580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 # [ 62.496569] R13: ffff9cef82767f10 R14: ffff9cef82767f10 R15[ 70.214161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.226795] CR2: 00007f3ec74aa000 CR3: 0000000103d2e001 CR4: 00000000003706e0 : ffff90c305c2e000 # [ 62.504539] FS: 00007fd96c8bd580(0000)[ 70.234767] Call Trace: GS:ffff90c37ac80000(0000) knlGS:0000000000000000 [ 70.243713] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 70.254111] direct_entry.cold+0x2c/0x38 # [ 62.513576] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 70.258494] full_proxy_write+0x53/0x80 33 # [ 62.519990] CR2: ffffffffa5dfe330 CR3: 0000000104f5a006[ 70.268992] vfs_write+0xe7/0x3a0 CR4: 00000000003706e0 # [ 62.527961] Call Trace:[ 70.278903] ksys_write+0x68/0xf0 [ 70.287653] do_syscall_64+0x30/0x40 # [ 62.530690] direct_entry.cold+0x2c/0x38 # [ 62.535071] [ 70.291842] entry_SYSCALL_64_after_hwframe+0x61/0xc6 full_proxy_write+0x53/0x80 # [ 62.545561] vfs_write+0xe7/0x[ 70.303697] RIP: 0033:0x7f3ec75b78f3 3a0 # [ 62.549261] ksys_write+0x68/0xf0 # [ 62.559172] d[ 70.313901] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.341096] RSP: 002b:00007fffa6da50f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 o_syscall_64+0x30/0x40[ 70.349556] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3ec75b78f3 [ 70.359659] RDX: 0000000000000017 RSI: 00007f3ec74aa000 RDI: 0000000000000001 [ 70.367824] RBP: 00007f3ec74aa000 R08: 00007f3ec74a9010 R09: 0000000000000000 [ 70.375802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.563164] entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 70.383773] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.397381] irq event stamp: 0 [ 70.400981] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.575016] RIP: 0033:0x7fd96c7d38f3[ 70.407983] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.421100] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.430239] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.437240] ---[ end trace 588c6fe2f2edbb0c ]--- [ 70.442396] lkdtm: Saturation detected: still saturated # [ 62.579004] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.599991] RSP: 002b:00007ffc74b217c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.608439] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fd96c7d38f3 # [ 62.616406] RDX: 0000000000000014 RSI: 00007fd96c6c6000 RDI: 0000000000000001 # [ 62.624377] RBP: 00007fd96c6c6000 R08: 00007fd96c6c5010 R09: 0000000000000000 # [ 62.632347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.640316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.648287] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.680931] CR2: ffffffffa5dfe330 # [ 62.684629] ---[ end trace 588c6fe2f2edbaff ]--- # [ 62.689786] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.694164] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 62.715157] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 62.721010] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.728981] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 62.736952] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 62.744923] R10: 00000000ffffe000 R11: 3ffffff[ 70.611326] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 70.622866] lkdtm: attempting bad refcount_dec() from saturated [ 70.629495] ------------[ cut here ]------------ [ 70.634659] refcount_t: saturated; leaking memory. [ 70.640023] WARNING: CPU: 3 PID: 2454 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 70.649463] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.675914] CPU: 3 PID: 2454 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 70.684588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.691393] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 70.697228] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 51 35 94 01 00 75 ee 48 c7 c7 58 db d1 a5 c6 05 41 35 94 01 01 e8 1a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 [ 70.718221] RSP: 0018:ffff9cef82f5fe48 EFLAGS: 00010286 [ 70.724056] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 70.732026] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 [ 70.739997] RBP: ffffffffa5d821b3 R08: 0000000000000000 R09: 0000000000000000 [ 70.747983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 70.755954] R13: ffff9cef82f5ff10 R14: ffff9cef82f5ff10 R15: ffff90c30408d000 [ 70.763925] FS: 00007fe0b9dfb580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 [ 70.772962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.779379] CR2: 00007fe0b9c04000 CR3: 0000000103fdc003 CR4: 00000000003706e0 [ 70.787341] Call Trace: [ 70.790073] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 70.795547] direct_entry.cold+0x2c/0x38 [ 70.799953] full_proxy_write+0x53/0x80 [ 70.804239] vfs_write+0xe7/0x3a0 [ 70.807939] ksys_write+0x68/0xf0 [ 70.811641] do_syscall_64+0x30/0x40 [ 70.815633] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.821276] RIP: 0033:0x7fe0b9d118f3 [ 70.825266] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.846245] RSP: 002b:00007ffc50894968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.854702] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe0b9d118f3 [ 70.862672] RDX: 0000000000000017 RSI: 00007fe0b9c04000 RDI: 0000000000000001 [ 70.870644] RBP: 00007fe0b9c04000 R08: 00007fe0b9c03010 R09: 0000000000000000 [ 70.878615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.886583] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffff R12: 0000000000000004 # [ 62.752893] R13: ffff9cef8[ 70.894565] irq event stamp: 0 142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 62.76[ 70.904186] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0863] FS: 00007fd96c8bd580(0000) GS:ffff90c37ac80000(0000) knlG[ 70.917405] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.932765] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.941928] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.948928] ---[ end trace 588c6fe2f2edbb0d ]--- [ 70.954084] lkdtm: Saturation detected: still saturated S:0000000000000000 # [ 62.769900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.776314] CR2: ffffffffa5dfe330 CR3: 0000000104f5a006 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 62.933764] lkdtm: Performing direct entry WRITE_KERN # [ 62.945308] lkdtm: attempting bad 6678416 byte write at ffffffffa533d510 # [ 62.959020] BUG: unable to handle page fault for address: ffffffffa533d510 # [ 62.972904] #PF: supervisor write access in kernel mode # [ 62.978738] #PF: error_code(0x0003) - permissions violation # [ 62.984959] PGD 12e829067 P4D 12e829067 PUD 12e82a063 PMD 12da000e1 # [ 62.992061] Oops: 0003 [#16] SMP PTI # [ 62.996048] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 63.004696] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.011502] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 63.016658] Code: 53 48 c7 c3 10 d5 33 a5 49 89 dc 48 89 da 49 81 ec 80 ed cd a4 4c 89 e6 e8 7d 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 80 ed cd a4 a4 48 c7 c7 f8 2e d8 a5 e8 62 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 63.043852] RSP: 0018:ffff9cef8284fe50 EFLAGS: 00010246 # [ 63.049676] RAX: 000000000000003c RBX: ffffffffa533d510 RCX: 000000000065e790 # [ 63.057636] RDX: 0000000000000000 RSI: ffffffffa4cded80 RDI: ffffffffa533d510 # [ 63.065606] RBP: fffffff[ 71.098161] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED fa5d82102 R08: 0000000000000000 R09: 0000000000000000 # [ 63.[ 71.110633] lkdtm: attempting bad refcount_inc_not_zero() from saturated 073575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 71.124335] ------------[ cut here ]------------ 00065e790 # [ 63.081543] R13: ffff9cef8284ff10 R14: ffff9cef8[ 71.135698] refcount_t: saturated; leaking memory. 284ff10 R15: ffff90c302a99000 # [ 63.089512] FS: 00007f02468[ 71.147278] WARNING: CPU: 1 PID: 2486 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 a4580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 71.162911] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.195547] CPU: 1 PID: 2486 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 63.098548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 71.204202] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.104961] CR2: ffffffffa533d510 CR3: 0000000104014006 C[ 71.217226] RIP: 0010:refcount_warn_saturate+0x97/0x110 R4: 00000000003706e0 # [ 63.112929] Call Trace: # [ 63.115[ 71.229275] Code: 01 01 e8 f7 74 95 00 0f 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 a5 c6 05 fc 34 94 01 01 e8 d4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 658] direct_entry.cold+0x2c/0x38 # [ 63.120039] full_proxy_[ 71.256476] RSP: 0018:ffff9cef82fdfe38 EFLAGS: 00010282 write+0x53/0x80 # [ 63.130530] vfs_write+0xe7/0x3a0 # [ 6[ 71.268550] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 3.134228] ksys_write+0x68/0xf0 # [ 63.144158] do_syscall_64[ 71.282712] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 +0x30/0x40 # [ 63.148155] entry_SYSCALL_64_after_hwframe+0x6[ 71.296899] RBP: ffffffffa5d81de0 R08: 0000000000000000 R09: 0000000000000000 [ 71.311082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 1/0xc6 # [ 63.160005] RIP: 0033:0x7f02467ba8f3 [ 71.319055] R13: ffff9cef82fdff10 R14: ffff9cef82fdff10 R15: ffff90c304196000 # [ 63.163991] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0[ 71.331972] FS: 00007f689aae0580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 71.347227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.359858] CR2: 00007f689a8e9000 CR3: 000000010293c002 CR4: 00000000003706e0 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 71.367831] Call Trace: 83 ec 28 48 89 54 24 18 # [ 63.184971] RSP: 002b:00007ffe8bc[ 71.376773] __refcount_add_not_zero.constprop.0+0x2a/0x35 bbb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.1934[ 71.389114] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 26] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f02467[ 71.401651] direct_entry.cold+0x2c/0x38 [ 71.412246] full_proxy_write+0x53/0x80 ba8f3 # [ 63.201393] RDX: 000000000000000b RSI: 00007f02466ad[ 71.416531] vfs_write+0xe7/0x3a0 000 RDI: 0000000000000001 # [ 63.209361] RBP: 00007f02466ad00[ 71.426439] ksys_write+0x68/0xf0 0 R08: 00007f02466ac010 R09: 0000000000000000 # [ 63.217329] [ 71.436354] do_syscall_64+0x30/0x40 [ 71.446559] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000[ 71.452214] RIP: 0033:0x7f689a9f68f3 1 # [ 63.225297] R13: 0000000000000001 R14: 0000000000020000 [ 71.462412] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.489609] RSP: 002b:00007ffdb387a0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R15: 0000000000020000 [ 71.498070] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f689a9f68f3 [ 71.508273] RDX: 0000000000000020 RSI: 00007f689a8e9000 RDI: 0000000000000001 # [ 63.233269] Modules linked in: fuse ip_tables cros_ec_senso[ 71.516247] RBP: 00007f689a8e9000 R08: 00007f689a8e8010 R09: 0000000000000000 [ 71.530432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.538409] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.546392] irq event stamp: 0 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf [ 71.549808] hardirqs last enabled at (0): [<0000000000000000>] 0x0 industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cr[ 71.563023] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.578377] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.587517] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.594521] ---[ end trace 588c6fe2f2edbb0e ]--- [ 71.599681] lkdtm: Saturation detected: still saturated os_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.265903] CR2: ffffffffa533d510 # [ 63.269599] ---[ end trace 588c6fe2f2edbb00 ]--- # [ 63.274751] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.279126] Code: 89 ff e8 6e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 db 92 02 # [ 63.300147] RSP: 0018:ffff9cef8142fe60 EFLAGS: 00010282 # [ 63.305987] RAX: ffffffffa4cde9b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.320165] RDX: 0000000000000000 RSI: ffff90c37ad1bf70 RDI: ffffffffa599ae90 # [ 63.328154] RBP: ffffffffa5ddd390 R08: 0000000000000001 R09: 0000000000000001 # [ 63.336121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.344089] R13: ffff9cef8142ff10 R14: ffff9cef8142ff10 R15: ffff90c304f7a000 # [ 63.352059] FS: 00007f02468a4580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 63.361095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.367510] CR2: ffffffffa533d510 CR3: 0000000104014006 CR4: 00000000003706e0 # [ 63.375479] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 63.385388] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pi[ 71.731796] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 71.743989] lkdtm: attempting bad refcount_add_not_zero() from saturated d: 2017, name: cat # [ 63.393842] INFO: lockdep is turned off[ 71.751510] ------------[ cut here ]------------ [ 71.762864] refcount_t: saturated; leaking memory. [ 71.768253] WARNING: CPU: 2 PID: 2518 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 . # [ 63.398218] irq event stamp: 0 # [ 63.401623] hardirq[ 71.777690] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.810333] CPU: 2 PID: 2518 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 71.819019] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.825829] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 71.831668] Code: 01 01 e8 f7 74 95 00 0f 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 a5 c6 05 fc 34 94 01 01 e8 d4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 [ 71.852683] RSP: 0018:ffff9cef8305fe38 EFLAGS: 00010282 [ 71.858524] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 71.866529] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 s last enabled at (0): [<0000000000000000>] 0x0 # [ 63.40861[ 71.874506] RBP: ffffffffa5d81e00 R08: 0000000000000000 R09: 0000000000000000 3] hardirqs last disabled at (0): [] copy_proc[ 71.888696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 71.902883] R13: ffff9cef8305ff10 R14: ffff9cef8305ff10 R15: ffff90c304cf5000 [ 71.910858] FS: 00007f00ce4e0580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 [ 71.919900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.926320] CR2: 00007f00ce2e9000 CR3: 000000010423a005 CR4: 00000000003706e0 [ 71.934298] Call Trace: [ 71.937055] __refcount_add_not_zero.constprop.0+0x2a/0x35 ess+0x640/0x1c80 # [ 63.417748] softirqs last enabled at (0)[ 71.943191] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 71.955720] direct_entry.cold+0x2c/0x38 [ 71.960101] full_proxy_write+0x53/0x80 [ 71.964385] vfs_write+0xe7/0x3a0 [ 71.968110] ksys_write+0x68/0xf0 [ 71.971810] do_syscall_64+0x30/0x40 [ 71.975803] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.981445] RIP: 0033:0x7f00ce3f68f3 [ 71.985434] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.006418] RSP: 002b:00007fff3d3e0378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.014878] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f00ce3f68f3 [ 72.022850] RDX: 0000000000000020 RSI: 00007f00ce2e9000 RDI: 0000000000000001 [ 72.030813] RBP: 00007f00ce2e9000 R08: 00007f00ce2e8010 R09: 0000000000000000 [ 72.038785] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.046757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.054732] irq event stamp: 0 [ 72.058171] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.065176] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 72.074313] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 72.083451] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.090452] ---[ end trace 588c6fe2f2edbb0f ]--- [ 72.095608] lkdtm: Saturation detected: still saturated : [] copy_process+0x640/0x1c80 # [ 63.426880] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.433877] CPU: 1 PID: 2017 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 63.442524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.449327] Call Trace: # [ 63.452056] dump_stack+0x77/0x9b # [ 63.455755] ___might_sleep.cold+0xa6/0xb6 # [ 63.466537] exit_signals+0x1c/0x2e0 # [ 63.470517] do_exit+0xd5/0xb00 # [ 63.474013] ? ksys_write+0x68/0xf0 # [ 63.477906] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 63.483350] rewind_stack_do_exit+0x17/0x20 # [ 63.488018] RIP: 0033:0x7f02467ba8f3 # [ 63.492005] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.512986] RSP: 002b:00007ffe8bcbbb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.521442] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f02467ba8f3 # [ 63.529409] RDX: 000000000000000b RSI: 00007f02466ad000 RDI: 0000000000000001 # [ 63.537377] RBP: 00007f02466ad000 R08: 00007f02466ac010 R09: 0000000000000000 # [ 63.545345] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.553312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 72.236732] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 72.245896] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 72.253392] ------------[ cut here ]------------ WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRIT[ 72.258555] refcount_t: underflow; use-after-free. E_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 6[ 72.270134] WARNING: CPU: 2 PID: 2553 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 3.694944] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 72.285766] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.318410] CPU: 2 PID: 2553 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 72.327083] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.705004] lkdtm: attempting good refcount_inc() without o[ 72.333901] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 72.345946] Code: 01 01 e8 d4 74 95 00 0f 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 a5 c6 05 d6 34 94 01 01 e8 b1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d c1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 72.366932] RSP: 0018:ffff9cef830cfe40 EFLAGS: 00010286 [ 72.372769] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 72.380740] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 [ 72.388711] RBP: ffffffffa5d81e20 R08: 0000000000000000 R09: 0000000000000000 [ 72.396674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 72.404644] R13: ffff9cef830cff10 R14: ffff9cef830cff10 R15: ffff90c30421e000 [ 72.412618] FS: 00007f2754910580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 [ 72.421657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.428075] CR2: 00007f2754719000 CR3: 0000000105d26006 CR4: 00000000003706e0 [ 72.436049] Call Trace: [ 72.438782] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 72.444936] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 72.451258] direct_entry.cold+0x2c/0x38 [ 72.455639] full_proxy_write+0x53/0x80 [ 72.459923] vfs_write+0xe7/0x3a0 [ 72.463647] ksys_write+0x68/0xf0 [ 72.467350] do_syscall_64+0x30/0x40 [ 72.471366] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.477009] RIP: 0033:0x7f27548268f3 [ 72.481000] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.501985] RSP: 002b:00007ffd528cc088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.510442] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f27548268f3 [ 72.518413] RDX: 0000000000000020 RSI: 00007f2754719000 RDI: 0000000000000001 [ 72.526385] RBP: 00007f2754719000 R08: 00007f2754718010 R09: 0000000000000000 [ 72.534357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.542329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 verflow # [ 63.711922] lkdtm: attempting bad refcount_inc() o[ 72.550308] irq event stamp: 0 verflow # [ 63.717969] ------------[ cut here ]------------ [ 72.559931] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.723136] refcount_t: saturated; leaking memory. # [ 6[ 72.573150] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 72.588509] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 72.597647] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.604648] ---[ end trace 588c6fe2f2edbb10 ]--- [ 72.609803] lkdtm: Saturation detected: still saturated 3.728519] WARNING: CPU: 3 PID: 2052 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.737953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.770598] CPU: 3 PID: 2052 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 63.779284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.786095] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.791962] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 51 35 94 01 00 75 ee 48 c7 c7 58 db d1 a5 c6 05 41 35 94 01 01 e8 1a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 # [ 63.812955] RSP: 0018:ffff9cef828ffe48 EFLAGS: 00010286 # [ 63.818823] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 63.826800] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 # [ 63.840993] RBP: ffffffffa5d8210d R08: 0000000000000000 R09: 0000000000000000 # [ 63.855182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.863157] R13: ffff9cef828fff10 R14: ffff9cef828fff10 R15: ffff90c303297000 # [ 63.877344] FS: 00007f05ad3ff580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 63.892604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.899024] C[ 72.753296] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED R2: 00007f05ad208000 CR3: 0000000103f4e005 CR4: 00000000003706e0[ 72.766377] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 63.906998] Call Trace: # [ 63.909731] lkdtm_REFCOUNT[ 72.780081] ------------[ cut here ]------------ _INC_OVERFLOW+0x70/0x98 # [ 63.915111] direct_entry.cold+0x2[ 72.791454] refcount_t: underflow; use-after-free. c/0x38 # [ 63.925725] full_proxy_write+0x53/0x80 # [ 63.9[ 72.803052] WARNING: CPU: 1 PID: 2588 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 30024] vfs_write+0xe7/0x3a0 # [ 63.939928] ksys_write+0x68/[ 72.818675] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0xf0 # [ 63.943630] do_syscall_64+0x30/0x40 # [ 63.947647[ 72.851314] CPU: 1 PID: 2588 Comm: cat Tainted: G D W 5.10.148-cip18 #1 ] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.953291] RI[ 72.866196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 P: 0033:0x7f05ad3158f3 # [ 63.957280] Code: 8b 15 a1 25 0e 00[ 72.879248] RIP: 0010:refcount_warn_saturate+0xba/0x110 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 [ 72.891297] Code: 01 01 e8 d4 74 95 00 0f 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 a5 c6 05 d6 34 94 01 01 e8 b1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d c1 34 94 01 00 0f 85 5e ff ff ff 48 c7 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff[ 72.918518] RSP: 0018:ffff9cef8315fe40 EFLAGS: 00010286 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.97826[ 72.930550] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 72.944734] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 8] RSP: 002b:00007ffc093239e8 EFLAGS: 00000246 ORIG_RAX: 0000000[ 72.952708] RBP: ffffffffa5d81e40 R08: 0000000000000000 R09: 0000000000000000 [ 72.966888] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000000001 # [ 63.986727] RAX: ffffffffffffffda RBX: 000000000[ 72.974860] R13: ffff9cef8315ff10 R14: ffff9cef8315ff10 R15: ffff90c303dad000 [ 72.989052] FS: 00007fc7dda14580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 0000016 RCX: 00007f05ad3158f3 # [ 63.994700] RDX: 00000000000[ 72.998091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.010720] CR2: 00007fc7dd81d000 CR3: 0000000104fee001 CR4: 00000000003706e0 00016 RSI: 00007f05ad208000 RDI: 0000000000000001 # [ 64.0026[ 73.018692] Call Trace: 73] RBP: 00007f05ad208000 R08: 00007f05ad207010 R09: 00000000000[ 73.027631] __refcount_sub_and_test.constprop.0+0x3c/0x50 00000 # [ 64.010645] R10: fffffffffffffbc5 R11: 0000000000000[ 73.039971] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 246 R12: 0000000000000001 # [ 64.018616] R13: 000000000000000[ 73.052506] direct_entry.cold+0x2c/0x38 1 R14: 0000000000020000 R15: 0000000000020000 # [ 64.026591] [ 73.063099] full_proxy_write+0x53/0x80 irq event stamp: 0 # [ 64.030021] hardirqs last enabled at ([ 73.073595] vfs_write+0xe7/0x3a0 [ 73.083506] ksys_write+0x68/0xf0 0): [<0000000000000000>] 0x0 # [ 64.037026] hardirqs last dis[ 73.087215] do_syscall_64+0x30/0x40 abled at (0): [] copy_process+0x640/0x1c80 # [ 73.097412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.109268] RIP: 0033:0x7fc7dd92a8f3 [ 64.052374] 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 [ 73.140452] RSP: 002b:00007fff273ad5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 >] copy_process+0x640/0x1c80 # [ 64.061513] softirqs last dis[ 73.148914] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc7dd92a8f3 abled at (0): [<0000000000000000>] 0x0 # [ 64.068513] ---[ en[ 73.163102] RDX: 0000000000000020 RSI: 00007fc7dd81d000 RDI: 0000000000000001 d trace 588c6fe2f2edbb01 ]--- # [ 64.073670] lkdtm: Overflow [ 73.177291] RBP: 00007fc7dd81d000 R08: 00007fc7dd81c010 R09: 0000000000000000 detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:':[ 73.191480] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftes[ 73.205670] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ts: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 64.195057] lkdtm: Per[ 73.219865] irq event stamp: 0 forming direct entry REFCOUNT_ADD_OVERFLOW # [ 64.203703] lkd[ 73.229486] hardirqs last enabled at (0): [<0000000000000000>] 0x0 tm: attempting good refcount_add() without overflow # [ 64.21[ 73.242704] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 6826] lkdtm: attempting bad refcount_add() overflow # [ 64.22[ 73.258059] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 9071] ------------[ cut here ]------------ # [ 64.240442] ref[ 73.273417] softirqs last disabled at (0): [<0000000000000000>] 0x0 count_t: saturated; leaking memory. # [ 64.245808] WARNING: C[ 73.286635] ---[ end trace 588c6fe2f2edbb11 ]--- PU: 1 PID: 2084 at lib/refcount.c:22 refcount_warn_saturate+0x51[ 73.298009] lkdtm: Saturation detected: still saturated /0x110 # [ 64.261440] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.294106] CPU: 1 PID: 2084 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 64.308954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.321976] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 64.334036] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 51 35 94 01 00 75 ee 48 c7 c7 58 db d1 a5 c6 05 41 35 94 01 01 e8 1a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2d 35 94 01 00 75 cb 48 c7 c7 80 db d1 # [ 64.355020] RSP: 0018:ffff9cef8297fe48 EFLAGS: 00010286 # [ 64.367067] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 64.375042] RDX: ffff90c37acac660 RSI: ffff90c37ac9bf70 RDI: ffff90c37ac9bf70 # [ 64.389224] RBP: ffffffffa5d82123 R08: 0000000000000000 R09: 0000000000000000 # [ 64.397205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.411387] R13: ffff9cef8297ff10 R14: ffff9cef8297ff10 R15: ffff90c304dcb000 # [ 64.419361] FS: 00007fed46111580(0000) GS:ffff90c37ac80000(0000) knlGS:0000000000000000 # [ 64.428406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.441037] CR2: 00007fed45f1a000 CR3: 0000000102ab8006 CR4: 00000000003706e0 # [ 64.449009] Call Trace: # [ 64.451744] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 64.463300] direct_entry.cold+0x2c/0x38 # [ 64.473897] full_proxy_write+0x53/0x80 # [ 64.484401] vfs_write+0xe7/0x3a0 # [ 64.494341] ksys_write+0x68/0xf0 # [ 64.504256] do_syscall_64+0x30/0x40 # [ 64.514463] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.520109] RIP: 0033:0x7fed460278f3 # [ 64.530319] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 73.503483] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 0 48 83 ec 28 48 89 54 24 18 # [ 64.551312] RSP: 002b:00007ff[ 73.515720] lkdtm: attempting good copy_to_user of correct size cfc4b7628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.[ 73.528597] lkdtm: attempting bad copy_to_user of too large size 559776] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fed460278f3 # [ 64.567750] RDX: 0000000000000016 RSI: 00007fed45f1a000 RDI: 0000000000000001 # [ 64.575726] RBP: 00007fed45f1a000 R08: 00007fed45f19010 R09: 0000000000000000 # [ 64.583702] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.591679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.599674] irq event stamp: 0 # [ 64.609276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.616278] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.631622] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.646977] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.660209] ---[ end trace 588c6fe2f2edbb02 ]--- # [ 64.665367] 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 # [ 64.818402] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 64.827174] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 64.834090] ------------[ cut here ]------------ # [ 64.839250] refcount_t: saturated; leaking memory. # [ 64.844654] WARNING: CPU: 3 PID: 2116 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.854091] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfif[ 73.690522] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 73.697549] lkdtm: attempting good copy_from_user of correct size [ 73.704384] lkdtm: attempting bad copy_from_user of too large size o_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.886735] CPU: 3 PID: 2116 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 64.895414] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.902221] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 64.908055] Code: 01 01 e8 f7 74 95 00 0f 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 a5 c6 05 fc 34 94 01 01 e8 d4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 # [ 64.929059] RSP: 0018:ffff9cef82a27e38 EFLAGS: 00010282 # [ 64.934906] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 64.949086] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 # [ 64.957057] RBP: ffffffffa5d81d60 R08: 0000000000000000 R09: 0000000000000000 # [ 64.965027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.972999] R13: ffff9cef82a27f10 R14: ffff9cef82a27f10 R15: ffff90c3049c1000 # [ 64.980970] FS: 00007fabc01fb580(0000) GS:ffff90c37ad80000(0000) knlGS:0000000000000000 # [ 64.990010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.996429] CR2: 00007fabc0004000 CR3: 0000000102720004 CR4: 00000000003706e0 # [ 65.004400] Call Trace: # [ 65.007147] __refcount_add_not_zero.constprop.0+[ 73.842282] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 0x2a/0x35 # [ 65.013285] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLO[ 73.855283] lkdtm: attempting good copy_to_user inside whitelist W+0x3e/0x76 # [ 65.025717] direct_entry.cold+0x2c/0x38 # [ [ 73.868218] lkdtm: attempting bad copy_to_user outside whitelist 65.030099] full_proxy_write+0x53/0x80 # [ 65.034382] vfs_write+0xe7/0x3a0 # [ 65.038082] ksys_write+0x68/0xf0 # [ 65.047998] do_syscall_64+0x30/0x40 # [ 65.051988] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.057629] RIP: 0033:0x7fabc01118f3 # [ 65.061618] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.082602] RSP: 002b:00007ffea34876d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.091059] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fabc01118f3 # [ 65.099030] RDX: 000000000000001f RSI: 00007fabc0004000 RDI: 0000000000000001 # [ 65.107000] RBP: 00007fabc0004000 R08: 00007fabc0003010 R09: 0000000000000000 # [ 65.114970] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.122933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.130909] irq event stamp: 0 # [ 65.134348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.141351] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.150490] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.165844] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.179062] ---[ end trace 588c6fe2f2edbb03 ]--- # [ 65.184217] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok[ 74.024320] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 74.037682] lkdtm: attempting good copy_from_user inside whitelist [ 74.044608] lkdtm: attempting bad copy_from_user outside whitelist ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 65.335482] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 65.346086] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 65.353001] ------------[ cut here ]------------ # [ 65.358164] refcount_t: saturated; leaking memory. # [ 65.369756] WARNING: CPU: 2 PID: 2148 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 65.379187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.411827] CPU: 2 PID: 2148 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 65.420508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.427315] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.433155] Code: 01 01 e8 f7 74 95 00 0f 0b c3 cc cc cc cc 80 3d 0c 35 94 01 00 75 a8 48 c7 c7 58 db d1 a5 c6 05 fc 34 94 01 01 e8 d4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 # [ 65.460355] RSP: 0018:ffff9cef82a97e38 EFLAGS: 00010282 # [ 65.466215] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.474200] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 # [ 65.482208] RBP: ffffffffa5d81d80 R08: 0000000000000000 R09: 0000000000000000 # [ 65.490182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.498206] R13: ffff9cef82a97f10 R14: ffff9cef82a97f10 R15: ffff90c304eb8000 # [ 65.506178] FS: 00007f2772304580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 # [ 65.515217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.521626] CR2: 00007f277210d000 CR3: 00000001013f8003 CR4: 00000000003706e0 # [ 65.529590] Call Trace: # [ 65.532320] __refcount[ 74.238376] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 74.251310] lkdtm: good_stack: ffff9cef834bfe20-ffff9cef834bfe40 _add_not_zero.constprop.0+0x2a/0x35 # [ 65.538473] lkdtm_REF[ 74.258036] lkdtm: bad_stack : ffff9cef834bfda8-ffff9cef834bfdc8 [ 74.270980] lkdtm: attempting good copy_to_user of local stack COUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 65.544720] direct_[ 74.277510] lkdtm: attempting bad copy_to_user of distant stack entry.cold+0x2c/0x38 # [ 65.549102] full_proxy_write+0x53/0x80 # [ 65.553411] vfs_write+0xe7/0x3a0 # [ 65.557152] ksys_write+0x68/0xf0 # [ 65.560862] do_syscall_64+0x30/0x40 # [ 65.571061] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.576703] RIP: 0033:0x7f277221a8f3 # [ 65.580694] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.601678] RSP: 002b:00007fff0573da58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.610158] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f277221a8f3 # [ 65.618131] RDX: 000000000000001f RSI: 00007f277210d000 RDI: 0000000000000001 # [ 65.632311] RBP: 00007f277210d000 R08: 00007f277210c010 R09: 0000000000000000 # [ 65.640274] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.648246] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.656222] irq event stamp: 0 # [ 65.659656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.672870] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.682005] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.691159] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.698160] ---[ end trace 588c6fe2f2edbb04 ]--- # [ 65.709527] 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 # [ 65.843439] lkdtm: Performing direct entry REFCOUNT_DEC_ZE[ 74.454494] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 74.465274] lkdtm: good_stack: ffff9cef83537e20-ffff9cef83537e40 [ 74.472021] lkdtm: bad_stack : ffff9cef83537da8-ffff9cef83537dc8 [ 74.478791] lkdtm: attempting good copy_from_user of local stack RO # [ 65.851438] lkdtm: attempting good refcount_dec() # [ [ 74.485514] lkdtm: attempting bad copy_from_user of distant stack 65.862927] lkdtm: attempting bad refcount_dec() to zero # [ 65.875085] ------------[ cut here ]------------ # [ 65.886460] refcount_t: decrement hit 0; leaking memory. # [ 65.898617] WARNING: CPU: 0 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.914254] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.946916] CPU: 0 PID: 2180 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 65.961745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.974809] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.986881] Code: 08 dc d1 a5 c6 05 ad 34 94 01 01 e8 8a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 db d1 a5 c6 05 94 34 94 01 01 e8 70 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.014090] RSP: 0018:ffff9cef82b27e48 EFLAGS: 00010286 # [ 66.026187] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 66.040339] RDX: ffff90c37ac2c660 RSI: ffff90c37ac1bf70 RDI: ffff90c37ac1bf70 # [ 66.054547] RBP: ffffffffa5d82139 R08: 0000000000000000 R09: 0000000000000000 # [ 66.068712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.082936] [ 74.630096] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND R13: ffff9cef82b27f10 R14: ffff9cef82b27f10 R15: ffff90c302ba900[ 74.642030] lkdtm: good_stack: ffff9cef835bfe20-ffff9cef835bfe40 0 # [ 66.097093] FS: 00007f610835f580(0000) GS:ffff90c37ac00[ 74.654949] lkdtm: bad_stack : ffff9cef835bfff8-ffff9cef835c0018 000(0000) knlGS:0000000000000000 # [ 66.112377] CS: 0010 DS:[ 74.667904] lkdtm: attempting good copy_to_user of local stack 0000 ES: 0000 CR0: 0000000080050033 # [ 66.124982] CR2: 0000[ 74.680616] lkdtm: attempting bad copy_to_user of distant stack 7f6108168000 CR3: 000000010271e003 CR4: 00000000003706f0 # [ [ 74.693426] lkdtm: copy_to_user failed, but lacked Oops 66.139229] Call Trace: # [ 66.148154] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 66.159314] direct_entry.cold+0x2c/0x38 # [ 66.169898] full_proxy_write+0x53/0x80 # [ 66.180404] vfs_write+0xe7/0x3a0 # [ 66.190315] ksys_write+0x68/0xf0 # [ 66.200242] do_syscall_64+0x30/0x40 # [ 66.210440] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.222309] RIP: 0033:0x7f61082758f3 # [ 66.232507] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.259739] RSP: 002b:00007fff59966878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.274379] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f61082758f3 # [ 66.288578] RDX: 0000000000000012 RSI: 00007f6108168000 RDI: 0000000000000001 # [ 66.302761] RBP: 00007f6108168000 R08: 00007f6108167010 R09: 0000000000000000 # [ 66.316958] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.331160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.345359] irq event stamp: 0 # [ 66.354958] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.368230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.38353[ 74.835224] lkdtm: Performing direct entry USERCOPY_KERNEL [ 74.842129] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa599b330 [ 74.850798] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa46e2e40 6] softirqs last enabled at (0): [] copy_proc[ 74.859169] lkdtm: FAIL: survived bad copy_to_user() ess+0x640/0x1c80 # [ 66.398927] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.412111] ---[ end trace 588c6fe2f2edbb05 ]--- # [ 66.423485] 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 # [ 66.560818] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 66.571667] lkdtm: attempting bad refcount_dec() below zero # [ 66.577916] ------------[ cut here ]------------ # [ 66.583096] refcount_t: decrement hit 0; leaking memory. # [ 66.589061] WARNING: CPU: 2 PID: 2215 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.598499] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.624957] CPU: 2 PID: 2215 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 66.633610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.640418] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.646255] Code: 08 dc d1 a5 c6 05 ad 34 94 01 01 e8 8a 74 95 00 0f 0b c3 cc cc cc cc 48[ 74.991891] lkdtm: Performing direct entry STACKLEAK_ERASING [ 75.001599] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 75.009530] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) c7 c7 d8 db d1 a5 c6 05 94 34 94 01 01 e8 70 74 95 00 <0f> 0b c[ 75.017327] lkdtm: FAIL: the thread stack is NOT properly erased 3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ [ 75.030245] CPU: 2 PID: 2953 Comm: cat Tainted: G D W 5.10.148-cip18 #1 [ 75.045110] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 75.051916] Call Trace: [ 75.054649] dump_stack+0x77/0x9b [ 75.058379] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 75.063535] direct_entry.cold+0x2c/0x38 [ 75.067913] full_proxy_write+0x53/0x80 [ 75.072208] vfs_write+0xe7/0x3a0 [ 75.075906] ksys_write+0x68/0xf0 [ 75.079605] do_syscall_64+0x30/0x40 [ 75.083595] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.089228] RIP: 0033:0x7f064579c8f3 [ 75.093218] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.114207] RSP: 002b:00007ffd0f328e48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.122656] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f064579c8f3 [ 75.130627] RDX: 0000000000000012 RSI: 00007f064568f000 RDI: 0000000000000001 [ 75.138597] RBP: 00007f064568f000 R08: 00007f064568e010 R09: 0000000000000000 [ 75.146568] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.154540] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 66.667242] RSP: 0018:ffff9cef82bb7e48 EFLAGS: 00010286 # [ 66.673078] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 66.681049] RDX: ffff90c37ad2c660 RSI: ffff90c37ad1bf70 RDI: ffff90c37ad1bf70 # [ 66.689023] RBP: ffffffffa5d8214b R08: 0000000000000000 R09: 0000000000000000 # [ 66.696997] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.711188] R13: ffff9cef82bb7f10 R14: ffff9cef82bb7f10 R15: ffff90c3013d0000 # [ 66.725382] FS: 00007fb6f08a8580(0000) GS:ffff90c37ad00000(0000) knlGS:0000000000000000 # [ 66.734423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.747056] CR2: 00007fb6f06b1000 CR3: 0000000102958003 CR4: 00000000003706e0 # [ 66.755044] Call Trace: # [ 66.757809] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 66.763207] direct_entry.cold+0x2c/0x38 # [ 66.767621] full_proxy_write+0x53/0x80 # [ 66.771906] vfs_write+0xe7/0x3a0 # [ 66.775631] ksys_write+0x68/0xf0 # [ 66.779332] do_syscall_64+0x30/0x40 # [ 66.783323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.788965] RIP: 0033:0x7fb6f07be8f3 # [ 66.792954] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.813945] RSP: 002b:00007ffcc93bf2d8 EFLAGS: 0000024[ 75.293228] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 75.305610] lkdtm: Calling matched prototype ... [ 75.310768] lkdtm: Calling mismatched prototype ... 6 ORIG_RAX: 0000000000000001 # [ 66.828618] RAX: ffffffffffff[ 75.316220] lkdtm: Fail: survived mismatched prototype function call! ffda RBX: 0000000000000016 RCX: 00007fb6f07be8f3 # [ 66.836590] RDX: 0000000000000016 RSI: 00007fb6f06b1000 RDI: 0000000000000001 # [ 66.844563] RBP: 00007fb6f06b1000 R08: 00007fb6f06b0010 R09: 0000000000000000 # [ 66.852535] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.860509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.868485] irq event stamp: 0 # [ 66.871915] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.878918] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.888056] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.897216] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.904219] ---[ end trace 588c6fe2f2edbb06 ]--- # [ 66.909374] 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 # [ 67.048503] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 67.058814] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 67.065928] ------------[ cut here ]------------ # [ 67.077294] refcount_t: underflow; use-after-free. # [ 67.088869] WARNING: CPU: 3 PID: 2250 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.104507] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_sensorhub cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.130963] CPU: 3 PID: 2250 Comm: cat Tainted: G D W 5.10.148-cip18 #1 # [ 67.145845] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.152665] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 67.164708] Code: 01 01 e8 d4 74 95 00 0f 0b c3 cc cc cc cc 80 3d e6 34 94 01 00 75 85 48 c7 c7 b0 db d1 a5 c6 05 d6 34 94 01 01 e8 b1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d c1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 67.185691] RSP: 0018:ffff9cef82c2fe40 EFLAGS: 00010286 # [ 67.191528] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 67.199499] RDX: ffff90c37adac660 RSI: ffff90c37ad9bf70 RDI: ffff90c37ad9bf70 # [ 67.207469] RBP: ffffffffa5d81da0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.215439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f