[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_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 26588 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...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC... apic_id: 0x01 done. Skip microcode update apic_id: 0x03 done. CPU #2 initialized Skip microcode update Skip microcode update CPU #3 initialized CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met 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 373229 run 173160 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8962 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 8972 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8974 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8970 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 8969 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90935 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107717 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 14152 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 14151 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 22366 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 53577 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 13857 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 9260 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 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 10040 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466003 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486106 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 825784 exit 39253 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114154 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 227 run 139423 exit 19695 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 30895 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5964 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23485 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 24367 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 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 24434 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-11-09 21:07:27 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-11-09 21:07:27 UTC ELOG: Event(92) added with size 9 at 2022-11-09 21:07:27 UTC ELOG: Event(9A) added with size 9 at 2022-11-09 21:07:27 UTC ELOG: Event(AD) added with size 10 at 2022-11-09 21:07:27 UTC ELOG: Event(9F) added with size 14 at 2022-11-09 21:07:27 UTC BS: BS_DEV_INIT times (us): entry 0 run 417689 exit 60059 ELOG: Event(A1) added with size 10 at 2022-11-09 21:07:27 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-09 21:07:27 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 25558 run 3969 exit 5194 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 7adf 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 533843 exit 146378 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() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 602 run 260099 exit 135351 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 7922194/tftp-deploy-tmg153tf/kernel/bzImage 7922194/tftp-deploy-tmg153tf/kernel/cmdline 7922194/tftp-deploy-tmg153tf/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7922194/tftp-deploy-tmg153tf/kernel/bzImoy-tmg153tf/kernel/cmdline 7922194/tftp-deploy-tmg153tf/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: 7922194/tftp-deploy-tmg153tf/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 14016896 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: 7922194/tftp-deploy-tmg153tf/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/7922194/extract-nfsrootfs-anz_4o0z,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: 19565301 Starting kernel ... [ 0.000000] Linux version 5.10.153-cip19 (KernelCI@build-j483440-x86-64-gcc-10-x86-64-defconfig-x86-chromeboofrwxc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Nov 9 20:59:17 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/7922194/extract-nfsrootfs-anz_4o0z,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 [ 0.001167] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006005] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020458] check: Scanning 1 areas for low memory corruption [ 0.020468] Using GB pages for direct mapping [ 0.020936] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.020943] ACPI: Early table checksum verification disabled [ 0.020949] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.020961] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020975] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020989] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.020999] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021009] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021018] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.021029] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021039] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021049] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.021059] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.021069] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021079] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.021089] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021099] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.021103] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.021107] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021111] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021115] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.021119] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.021123] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.021127] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.021131] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.021135] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.021139] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.021143] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021273] No NUMA configuration found [ 0.021277] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021285] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.021322] Zone ranges: [ 0.021326] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021333] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021339] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021345] Movable zone start for each node [ 0.021348] Early memory node ranges [ 0.021353] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021357] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021361] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021366] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021396] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021434] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031401] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031461] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031484] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031829] ACPI: PM-Timer IO Port: 0x1808 [ 0.031880] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.031890] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.031895] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.031907] Using ACPI (MADT) for SMP configuration information [ 0.031911] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.031917] TSC deadline timer available [ 0.031921] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.031944] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.031949] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.031953] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.031957] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.031960] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.031964] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.031967] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.031971] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.031974] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.031978] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.031981] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.031984] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.031988] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.031991] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.031995] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.032001] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.032008] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.043061] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.043280] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.043344] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.043348] Policy zone: Normal [ 0.043359] 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/7922194/extract-nfsrootfs-anz_4o0z,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.043767] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.043960] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.044032] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062585] Memory: 3888556K/4089052K available (18450K kernel code, 3465K rwdata, 6812K rodata, 2036K init, 13236K bss, 200236K reserved, 0K cma-reserved) [ 0.062723] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062777] Kernel/User page tables isolation: enabled [ 0.062849] ftrace: allocating 53394 entries in 209 pages [ 0.110937] ftrace: allocated 209 pages with 4 groups [ 0.111179] Running RCU self tests [ 0.111193] rcu: Hierarchical RCU implementation. [ 0.111197] rcu: RCU event tracing is enabled. [ 0.111201] rcu: RCU lockdep checking is enabled. [ 0.111205] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.111209] Rude variant of Tasks RCU enabled. [ 0.111212] Tracing variant of Tasks RCU enabled. [ 0.111216] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.111220] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.120133] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.120555] random: crng init done [ 0.120648] Console: colour dummy device 80x25 [ 0.195806] printk: console [ttyS0] enabled [ 0.196174] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.196835] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.197195] ... MAX_LOCK_DEPTH: 48 [ 0.197557] ... MAX_LOCKDEP_KEYS: 8192 [ 0.197938] ... CLASSHASH_SIZE: 4096 [ 0.198314] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.198703] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.199086] ... CHAINHASH_SIZE: 32768 [ 0.199469] memory used by lock dependency info: 6365 kB [ 0.199936] memory used for stack traces: 4224 kB [ 0.200354] per task-struct memory footprint: 1920 bytes [ 0.200870] ACPI: Core revision 20200925 [ 0.201420] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.201920] APIC: Switch to symmetric I/O mode setup [ 0.206383] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.207299] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.208203] pid_max: default: 32768 minimum: 301 [ 0.208284] LSM: Security Framework initializing [ 0.208284] SELinux: Initializing. [ 0.208284] LSM support for eBPF active [ 0.208284] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.208284] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.208284] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.208284] process: using mwait in idle threads [ 0.208284] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.208284] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.208284] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.208284] Spectre V2 : Mitigation: IBRS [ 0.208284] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.208284] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.208284] RETBleed: Mitigation: IBRS [ 0.208284] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.208284] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.208284] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.208284] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.208284] SRBDS: Vulnerable: No microcode [ 0.208284] ------------[ cut here ]------------ [ 0.208284] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.208284] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.208284] Modules linked in: [ 0.208284] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.153-cip19 #1 [ 0.208284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.208284] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.208284] 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 b8 9e ac ab c6 05 20 5e e4 01 01 e8 c6 89 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.208284] RSP: 0000:ffffffffabe03de0 EFLAGS: 00010282 [ 0.208284] RAX: 0000000000000000 RBX: ffffffffac8e4064 RCX: 0000000000000000 [ 0.208284] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaa37a891 [ 0.208284] RBP: ffffffffab79c200 R08: 0000000000000001 R09: 0000000000000001 [ 0.208284] R10: ffffffffabe8fbc0 R11: 3fffffffffffffff R12: ffffffffac8fbc44 [ 0.208284] R13: cccccccccccccccc R14: ffffffffab79c205 R15: 0000000000000004 [ 0.208284] FS: 0000000000000000(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 0.208284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.208284] CR2: ffff9f678a801000 CR3: 0000000109026001 CR4: 00000000003706f0 [ 0.208284] Call Trace: [ 0.208284] alternative_instructions+0x7d/0x143 [ 0.208284] check_bugs+0xedd/0xf39 [ 0.208284] start_kernel+0x517/0x54d [ 0.208284] secondary_startup_64_no_verify+0xc2/0xcb [ 0.208284] irq event stamp: 162253 [ 0.208284] hardirqs last enabled at (162261): [] console_unlock+0x4d1/0x5f0 [ 0.208284] hardirqs last disabled at (162268): [] console_unlock+0x444/0x5f0 [ 0.208284] softirqs last enabled at (1836): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.208284] softirqs last disabled at (1834): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.208284] ---[ end trace a1885553bf58b788 ]--- [ 0.20828# 4] Freeing SMP alternatives memory: 44K [ 0.208284] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.208943] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.209299] ... version: 4 [ 0.209657] ... bit width: 48 [ 0.210018] ... generic registers: 4 [ 0.210290] ... value mask: 0000ffffffffffff [ 0.210755] ... max period: 00007fffffffffff [ 0.211217] ... fixed-purpose events: 3 [ 0.211290] ... event mask: 000000070000000f [ 0.212267] rcu: Hierarchical SRCU implementation. [ 0.214191] smp: Bringing up secondary CPUs ... [ 0.215037] x86: Booting SMP configuration: [ 0.215306] .... node #0, CPUs: #1 [ 0.216342] 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. [ 0.217312] 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. [ 0.218964] #2 #3 [ 0.221076] smp: Brought up 1 node, 4 CPUs [ 0.221653] smpboot: Max logical packages: 1 [ 0.222033] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.224634] devtmpfs: initialized [ 0.225410] x86/mm: Memory block size: 128MB [ 0.229426] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.230307] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.231309] pinctrl core: initialized pinctrl subsystem [ 0.232127] PM: RTC time: 21:07:42, date: 2022-11-09 [ 0.232808] NET: Registered protocol family 16 [ 0.233916] audit: initializing netlink subsys (disabled) [ 0.234334] audit: type=2000 audit(1668028062.027:1): state=initialized audit_enabled=0 res=1 [ 0.235004] thermal_sys: Registered thermal governor 'step_wise' [ 0.235076] thermal_sys: Registered thermal governor 'user_space' [ 0.235370] cpuidle: using governor menu [ 0.236414] ACPI: bus type PCI registered [ 0.237119] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.237299] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.237918] PCI: Using configuration type 1 for base access [ 0.261468] Kprobes globally optimized [ 0.261840] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.262305] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.263068] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.265589] ACPI: Added _OSI(Module Device) [ 0.266294] ACPI: Added _OSI(Processor Device) [ 0.266690] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.267106] ACPI: Added _OSI(Processor Aggregator Device) [ 0.267308] ACPI: Added _OSI(Linux-Dell-Video) [ 0.267702] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.268167] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.281001] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.289517] ACPI: EC: EC started [ 0.289827] ACPI: EC: interrupt blocked [ 0.290960] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.291295] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.291932] ACPI: Interpreter enabled [ 0.292320] ACPI: (supports S0 S3 S4 S5) [ 0.292671] ACPI: Using IOAPIC for interrupt routing [ 0.293182] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.310987] ACPI: Power Resource [PRIC] (on) [ 0.441382] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.441931] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.442621] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.443284] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.444881] PCI host bridge to bus 0000:00 [ 0.445251] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.445294] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.445882] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.446293] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.446939] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.447292] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.447938] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.448292] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.448938] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.449292] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.449938] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.450292] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.450938] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.451292] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.451939] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.452292] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.452938] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.453293] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.453953] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.454292] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.454938] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.455381] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.457020] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.457316] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.457918] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.458300] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.459507] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.460054] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.461135] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.461318] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.462634] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.463187] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.463443] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.464802] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.465332] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.466677] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.467238] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.468208] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.468339] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.469861] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.470339] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.470950] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.472183] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.472339] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.473864] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.474498] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.475880] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.476339] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.477831] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.478339] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.479834] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.480332] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.481939] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.482333] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.483789] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.485160] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.485324] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.486719] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.487277] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.487352] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.488043] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.489149] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.489359] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.490015] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.491110] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.491325] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.493081] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.493540] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.495583] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.498112] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.498308] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.500340] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.501312] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.502236] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.502604] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503546] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.504489] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.505432] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506374] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.513342] ACPI: EC: interrupt unblocked [ 0.513712] ACPI: EC: event unblocked [ 0.514057] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.514292] ACPI: EC: GPE=0x6e [ 0.514575] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.515186] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.515740] iommu: Default domain type: Translated [ 0.516478] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.516905] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.517327] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.517828] vgaarb: loaded [ 0.518641] SCSI subsystem initialized [ 0.519354] ACPI: bus type USB registered [ 0.519842] usbcore: registered new interface driver usbfs [ 0.520356] usbcore: registered new interface driver hub [ 0.520859] usbcore: registered new device driver usb [ 0.521421] pps_core: LinuxPPS API ver. 1 registered [ 0.521857] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.522303] PTP clock support registered [ 0.522716] Advanced Linux Sound Architecture Driver Initialized. [ 0.524298] NetLabel: Initializing [ 0.524607] NetLabel: domain hash size = 128 [ 0.524990] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.525366] NetLabel: unlabeled traffic allowed by default [ 0.525943] PCI: Using ACPI for IRQ routing [ 0.534055] clocksource: Switched to clocksource tsc-early [ 0.922192] VFS: Disk quotas dquot_6.6.0 [ 0.922615] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.923638] pnp: PnP ACPI init [ 0.924786] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.925390] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.925990] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.926586] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.927185] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.927780] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.928404] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.929010] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.929604] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.930179] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.931778] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.932725] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.933533] system 00:04: [io 0x0200] has been reserved [ 0.934003] system 00:04: [io 0x0204] has been reserved [ 0.934493] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.935014] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.938576] pnp: PnP ACPI: found 6 devices [ 0.954084] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.955005] NET: Registered protocol family 2 [ 0.955584] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.957943] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.958940] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.959859] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.962436] TCP: Hash tables configured (established 32768 bind 32768) [ 0.963349] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.964306] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.965160] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.966203] NET: Registered protocol family 1 [ 0.967389] RPC: Registered named UNIX socket transport module. [ 0.967962] RPC: Registered udp transport module. [ 0.968395] RPC: Registered tcp transport module. [ 0.968811] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.969974] NET: Registered protocol family 44 [ 0.970410] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.970863] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.971485] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.972022] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.972635] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.973231] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.973841] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.974454] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.975052] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.975668] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.976273] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.976889] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.977528] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.978152] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.978769] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.979397] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.980001] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.980620] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.981225] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.981842] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.982478] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.983082] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.983699] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.984786] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.987804] PCI: CLS 64 bytes, default 64 [ 0.988627] Unpacking initramfs... [ 1.275238] Freeing initrd memory: 8236K [ 1.275682] DMAR: Host address width 39 [ 1.276055] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.276658] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.277403] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.277950] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.278449] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.279229] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.279807] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.280731] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.281443] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.281945] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.282525] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.282997] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.283502] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.285939] kvm: already loaded the other module [ 1.299725] check: Scanning for low memory corruption every 60 seconds [ 1.303804] Initialise system trusted keyrings [ 1.304494] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.327521] NFS: Registering the id_resolver key type [ 1.328006] Key type id_resolver registered [ 1.328424] Key type id_legacy registered [ 1.346701] Key type asymmetric registered [ 1.347091] Asymmetric key parser 'x509' registered [ 1.347595] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.348251] io scheduler mq-deadline registered [ 1.348666] io scheduler kyber registered [ 1.349241] test_firmware: interface ready [ 1.351261] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.353126] ACPI: AC Adapter [AC] (on-line) [ 1.353919] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.355632] ACPI: Lid Switch [LID0] [ 1.356217] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.357118] ACPI: Power Button [PWRF] [ 1.357818] ACPI: \_PR_.CP00: Found 3 idle states [ 1.359066] ACPI: \_PR_.CP01: Found 3 idle states [ 1.360127] ACPI: \_PR_.CP02: Found 3 idle states [ 1.361169] ACPI: \_PR_.CP03: Found 3 idle states [ 1.362708] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.366365] hpet_acpi_add: no address or irqs in _CRS [ 1.367090] Non-volatile memory driver v1.3 [ 1.367751] Linux agpgart interface v0.103 [ 1.368137] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.371025] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.425594] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.426977] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.427931] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.429157] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.462567] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.466871] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.488152] loop: module loaded [ 1.489375] lkdtm: No crash points registered, enable through debugfs [ 1.517165] printk: console [ttyS0] disabled [ 1.518374] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.354784] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.354813] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.354985] clocksource: Switched to clocksource tsc [ 4.938779] printk: console [ttyS0] enabled [ 4.938812] fbcon: i915drmfb (fb0) is primary device [ 4.950224] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.952271] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.959503] e100: Intel(R) PRO/100 Network Driver [ 4.959506] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.959583] e1000: Intel(R) PRO/1000 Network Driver [ 4.959585] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.959684] e1000e: Intel(R) PRO/1000 Network Driver [ 4.959686] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.959796] sky2: driver version 1.30 [ 4.960183] usbcore: registered new interface driver r8152 [ 4.960647] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.960668] ehci-pci: EHCI PCI platform driver [ 4.960743] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.960765] ohci-pci: OHCI PCI platform driver [ 4.960839] uhci_hcd: USB Universal Host Controller Interface driver [ 4.962115] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.963103] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.963323] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.964651] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.964711] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.966906] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.966928] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.966933] usb usb1: Product: xHCI Host Controller [ 4.966938] usb usb1: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.966943] usb usb1: SerialNumber: 0000:00:14.0 [ 4.968679] hub 1-0:1.0: USB hub found [ 4.968857] hub 1-0:1.0: 12 ports detected [ 4.972011] Console: switching to colour frame buffer device 240x67 [ 4.973436] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.973857] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.973868] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.974236] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.974245] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.974250] usb usb2: Product: xHCI Host Controller [ 4.974255] usb usb2: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.974259] usb usb2: SerialNumber: 0000:00:14.0 [ 4.975626] hub 2-0:1.0: USB hub found [ 4.975748] hub 2-0:1.0: 6 ports detected [ 4.977716] usbcore: registered new interface driver usblp [ 4.977798] usbcore: registered new interface driver usb-storage [ 4.978212] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.978360] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.978363] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.979115] i8042: Warning: Keylock active [ 4.979372] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.981724] rtc_cmos 00:02: RTC can wake from S4 [ 4.985403] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.986050] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.993648] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.008739] rtc_cmos 00:02: registered as rtc0 [ 5.221325] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.228438] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.344859] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.351423] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.358999] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.365158] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.374774] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.383907] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.393436] intel_pstate: Intel P-state driver initializing [ 5.400834] intel_pstate: HWP enabled [ 5.405029] sdhci: Secure Digital Host Controller Interface driver [ 5.412036] sdhci: Copyright(c) Pierre Ossman [ 5.417084] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.426831] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.434707] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.444302] hid: raw HID events driver (C) Jiri Kosina [ 5.450669] usbcore: registered new interface driver usbhid [ 5.456903] usbhid: USB HID core driver [ 5.461742] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.479354] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.480926] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.495246] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.499217] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.506363] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.514512] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.521310] gre: GRE over IPv4 demultiplexor driver [ 5.528695] usb 2-3: Product: USB 10/100/1000 LAN [ 5.534247] ip_gre: GRE over IPv4 tunneling driver [ 5.539461] usb 2-3: Manufacturer: Realtek [ 5.539463] usb 2-3: SerialNumber: 001000001 [ 5.555711] IPv4 over IPsec tunneling driver [ 5.561060] Initializing XFRM netlink socket [ 5.566754] NET: Registered protocol family 10 [ 5.572862] Segment Routing with IPv6 [ 5.577871] ip6_gre: GRE over IPv6 tunneling driver [ 5.583813] NET: Registered protocol family 17 [ 5.589131] 8021q: 802.1Q VLAN Support v1.8 [ 5.593957] Key type dns_resolver registered [ 5.602887] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.609106] microcode: Microcode Update Driver: v2.2. [ 5.609142] IPI shorthand broadcast: enabled [ 5.612321] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.614885] sched_clock: Marking stable (5528025398, 86765165)->(5724858217, -110067654) [ 5.636641] registered taskstats version 1 [ 5.641327] Loading compiled-in X.509 certificates [ 5.651505] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.652619] mmc0: new HS400 MMC card at address 0001 [ 5.666648] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.666928] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.676097] 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 [ 5.676504] PM: Magic number: 14:1:146 [ 5.676530] hub 1-0:1.0: hash matches [ 5.676593] acpi device:17: hash matches [ 5.680039] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.692993] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.697302] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.722133] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.727597] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.745190] printk: console [netcon0] enabled [ 5.750081] netconsole: network logging started [ 5.761472] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.761590] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.777073] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.780427] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.786243] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.802385] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.807770] usb 1-9: Manufacturer: Azurewave [ 5.812596] usb 1-9: SerialNumber: 0x0001 [ 5.820908] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.870635] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.921189] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.961054] r8152 2-3:1.0 eth0: v1.11.11 [ 5.966192] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.966583] IP-Config: Failed to open gretap0 [ 5.979451] IP-Config: Failed to open erspan0 [ 6.001490] Sending DHCP requests . [ 7.625286] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.636598] r8152 2-3:1.0 eth0: carrier on [ 8.241450] ., OK [ 8.255709] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17 [ 8.264694] IP-Config: Complete: [ 8.268318] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1 [ 8.280009] host=asus-C433TA-AJ0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) [ 8.289265] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.289269] nameserver0=192.168.201.1 [ 8.302132] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.314077] modprobe (102) used greatest stack depth: 14016 bytes left [ 8.317303] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.328866] ALSA device list: [ 8.332312] No soundcards found. [ 8.332446] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.345892] cfg80211: failed to load regulatory.db [ 8.351551] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.361608] Freeing unused kernel image (initmem) memory: 2036K [ 8.379567] Write protecting the kernel read-only data: 28672k [ 8.387306] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.395313] Freeing unused kernel image (rodata/data gap) memory: 1380K [ 8.402825] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.424681] systemd-udevd (124) used greatest stack depth: 13672 bytes left [ 8.629275] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.638343] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.650229] udevadm (136) used greatest stack depth: 13624 bytes left [ 8.672623] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.727883] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.738700] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.768417] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.786456] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.796492] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.806343] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.828118] udevadm (148) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: 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 : [ 9.015682] nfsmount (164) 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 [ 10.492092] 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) [ 10.530606] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.562589] systemd[1]: Set hostname to . [ 11.093858] systemd[1]: Queued start job for default target Graphical Interface. [ 11.105322] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.120981] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.137021] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.153935] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.169872] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.188765] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.210461] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.233681] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.249587] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.260556] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.276636] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.287555] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.298873] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.316619] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.333609] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.350066] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.363754] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.383881] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.400282] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.419172] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.435148] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.454003] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.471172] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.490892] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.512723] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.528163] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.543216] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.584720] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.595163] fuse: init (API version 7.32) [ 11.601343] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.618894] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.632173] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.651114] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.670245] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.685765] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.701862] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.717652] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.733686] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 11.753342] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.760433] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 11.777417] systemd[1]: modprobe@drm.service: Succeeded. [ 11.784152] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 11.800694] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ 11.914875] systemd-journald[200]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 13.423435] systemd-tmpfile (211) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... Starting Network Name Resolution... [ OK ] Started User Login Management. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.153-cip19 #1 SMP Wed Nov 9 20:59:17 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/7922194/extract-nfsrootfs-anz_4o0z' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7922194/extract-nfsrootfs-anz_4o0z' / # 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-7922194/environment . /lava-7922194/environment / # /lava-7922194/bin/lava-test-runner /lava-7922194/0 /lava-7922194/bin/lava-test-runner /lava-7922194/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7922194/0/tests/0_timesync-off ++ cat uuid + UUID=7922194_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7922194/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7922194_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/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/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 -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7922194/0/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. --2022-11-09 21:08:18-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19-3-gc76f4e7e5c71/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: 3541260 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 173KB/s kselftest.tar.xz 6%[> ] 219.84K 378KB/s kselftest.tar.xz 25%[====> ] 894.83K 1.00MB/s kselftest.tar.xz 36%[======> ] 1.23M 1.01MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.52MB/s in 1.3s 2022-11-09 21:08:20 (2.52 MB/s) - 'kselftest.tar.xz' saved [3541260/3541260] 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 ======================================== [ 47.858732] 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 [ 48.124396] lkdtm: Performing direct entry BUG [ 48.129463] ------------[ cut here ]------------ [ 48.134681] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.140569] invalid opcode: 0000 [#1] SMP PTI [ 48.145440] CPU: 0 PID: 730 Comm: cat Tainted: G W 5.10.153-cip19 #1 [ 48.153990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.160798] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.165171] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 48.186144] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 48.191978] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.199938] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 48.207908] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.215868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.223837] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 48.231806] FS: 00007fc5b2ecf580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 48.240844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.247258] CR2: 00007fc5b2cd8000 CR3: 0000000103ac0003 CR4: 00000000003706f0 [ 48.255229] Call Trace: [ 48.257957] direct_entry.cold+0x2c/0x38 [ 48.262336] full_proxy_write+0x53/0x80 [ 48.266622] vfs_write+0xe7/0x3a0 [ 48.270321] ksys_write+0x68/0xf0 [ 48.274019] do_syscall_64+0x30/0x40 [ 48.278000] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.283639] RIP: 0033:0x7fc5b2de58f3 [ 48.287628] 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 [ 48.308610] RSP: 002b:00007ffdb4a66258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.317067] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc5b2de58f3 [ 48.325029] RDX: 0000000000000004 RSI: 00007fc5b2cd8000 RDI: 0000000000000001 [ 48.332990] RBP: 00007fc5b2cd8000 R08: 00007fc5b2cd7010 R09: 0000000000000000 [ 48.340960] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.348929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.356903] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.383473] ---[ end trace a1885553bf58b78a ]--- [ 48.388685] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.393158] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 48.414176] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 48.420032] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.428058] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 48.436061] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 48.444058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.452063] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 48.460074] FS: 00007fc5b2ecf580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 48.469158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.475614] CR2: 00007fc5b2cd8000 CR3: 0000000103ac0003 CR4: 00000000003706f0 # Segmentation fault # [ 48.124396] lkdtm: Performing direct entry BUG # [ 48.129463] ------------[ cut here ]------------ # [ 48.134681] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.140569] invalid opcode: 0000 [#1] SMP PTI # [ 48.145440] CPU: 0 PID: 730 Comm: cat Tainted: G W 5.10.153-cip19 #1 # [ 48.153990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.160798] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.165171] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 48.186144] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 48.191978] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.199938] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 48.2079[ 48.586821] lkdtm: Performing direct entry WARNING 08] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 00000000000[ 48.596725] ------------[ cut here ]------------ 00001 # [ 48.215868] R10: 00000000ffffe000 R11: 3ffffffffffff[ 48.608085] WARNING: CPU: 1 PID: 766 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 fff R12: 0000000000000004 # [ 48.223837] R13: ffffbf3241507f1[ 48.623709] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 48.231806] [ 48.656350] CPU: 1 PID: 766 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 48.671121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 FS: 00007fc5b2ecf580(0000) GS:ffff9f67fac00000(0000) knlGS:0000[ 48.677930] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 48.689003] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 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 c1 f0 000000000000 # [ 48.240844] CS: 0010 DS: 0000 ES: 0000 CR0: [ 48.709987] RSP: 0018:ffffbf32415bfe60 EFLAGS: 00010202 0000000080050033 # [ 48.247258] CR2: 00007fc5b2cd8000 CR3: 00[ 48.722037] RAX: ffffffffaaadf440 RBX: 0000000000000002 RCX: 0000000000000000 00000103ac0003 CR4: 00000000003706f0 # [ 48.255229] Call Trac[ 48.736220] RDX: 0000000000000000 RSI: ffff9f67fac9bf70 RDI: ffffffffab79bd80 e: # [ 48.257957] direct_entry.cold+0x2c/0x38 # [ 48.2623[ 48.750411] RBP: ffffffffabb8bd07 R08: 0000000000000000 R09: 0000000000000000 [ 48.764599] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 36] full_proxy_write+0x53/0x80 # [ 48.266622] vfs_write+0xe[ 48.772575] R13: ffffbf32415bff10 R14: ffffbf32415bff10 R15: ffff9f6784e17000 7/0x3a0 # [ 48.270321] ksys_write+0x68/0xf0 # [ 48.274019[ 48.786759] FS: 00007ff70bb20580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 ] do_syscall_64+0x30/0x40 # [ 48.278000] entry_SYSCALL_64_a[ 48.802040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fter_hwframe+0x61/0xc6 # [ 48.283639] RIP: 0033:0x7fc5b2de58f[ 48.814658] CR2: 00007ff70b929000 CR3: 000000010327c003 CR4: 00000000003706e0 [ 48.828843] Call Trace: 3 # [ 48.287628] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7[ 48.831578] direct_entry.cold+0x2c/0x38 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 [ 48.842167] full_proxy_write+0x53/0x80 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 48.852665] vfs_write+0xe7/0x3a0 [ 48.862580] ksys_write+0x68/0xf0 48 83 ec 28 48 89 54 24 18 # [ 48.308610] RSP: 002b:00007ffd[ 48.866283] do_syscall_64+0x30/0x40 [ 48.876484] entry_SYSCALL_64_after_hwframe+0x61/0xc6 b4a66258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.3[ 48.882128] RIP: 0033:0x7ff70ba368f3 17067] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc5[ 48.892329] 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 [ 48.919530] RSP: 002b:00007ffc8f7c7f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b2de58f3 # [ 48.325029] RDX: 0000000000000004 RSI: 00007fc5b2[ 48.927990] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff70ba368f3 [ 48.942174] RDX: 0000000000000008 RSI: 00007ff70b929000 RDI: 0000000000000001 cd8000 RDI: 0000000000000001 # [ 48.332990] RBP: 00007fc5b2cd[ 48.950149] RBP: 00007ff70b929000 R08: 00007ff70b928010 R09: 0000000000000000 [ 48.964333] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8000 R08: 00007fc5b2cd7010 R09: 0000000000000000 # [ 48.34096[ 48.972324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000[ 48.986512] irq event stamp: 0 [ 48.996133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0001 # [ 48.348929] R13: 0000000000000001 R14: 00000000000200[ 49.003139] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00 R15: 0000000000020000 # [ 48.356903] Modules linked in: fu[ 49.018502] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 49.033864] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.047082] ---[ end trace a1885553bf58b78b ]--- riggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.383473] ---[ end trace a1885553bf58b78a ]--- # [ 48.388685] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.393158] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 48.414176] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 48.420032] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.428058] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 48.436061] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 48.444058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.452063] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 48.460074] FS: 00007fc5b2ecf580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 48.469158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.475614[ 49.161856] lkdtm: Performing direct entry WARNING_MESSAGE ] CR2: 00007fc5b2cd8000 CR3: 0000000103ac0003 CR4: 0000000000370[ 49.170293] ------------[ cut here ]------------ 6f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.[ 49.181670] Warning message trigger count: 2 sh # selftests: lkdtm: WARNING.sh # [ 48.586821] lkdtm: Perf[ 49.192651] WARNING: CPU: 1 PID: 801 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 orming direct entry WARNING # [ 48.596725] ------------[ cut [ 49.209047] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify here ]------------ # [ 48.608085] WARNING: CPU: 1 PID: 766 at[ 49.241688] CPU: 1 PID: 801 Comm: cat Tainted: G D W 5.10.153-cip19 #1 drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.[ 49.256455] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 623709] Modules linked in: fuse ip_tables cros_ec_sensors cros_e[ 49.269482] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 c_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 49.281339] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 93 02 48 c7 c7 68 c2 b8 ab 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 lio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_s[ 49.308544] RSP: 0018:ffffbf324160fe60 EFLAGS: 00010286 ysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 49.320591] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 _notify # [ 48.656350] CPU: 1 PID: 766 Comm: cat Tainted: G [ 49.334779] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 D W 5.10.153-cip19 #1 # [ 48.671121] Hardware nam[ 49.348966] RBP: ffffffffabb8bd0f R08: 0000000000000000 R09: 0000000000000000 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.677930] RIP:[ 49.363153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0010:lkdtm_WARNING+0x13/0x20 # [ 48.689003] Code: c0 f4 ff f[ 49.377358] R13: ffffbf324160ff10 R14: ffffbf324160ff10 R15: ffff9f6785447000 f ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f[ 49.391532] FS: 00007f26f94a3580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 49.406788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 44 00 00 83 05 e0 f0 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 c[ 49.413208] CR2: 00007f26f92ac000 CR3: 0000000105638002 CR4: 00000000003706e0 [ 49.427390] Call Trace: c cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 # [ 4[ 49.430122] direct_entry.cold+0x2c/0x38 8.709987] RSP: 0018:ffffbf32415bfe60 EFLAGS: 00010202 # [ 48.[ 49.440713] full_proxy_write+0x53/0x80 722037] RAX: ffffffffaaadf440 RBX: 0000000000000002 RCX: 0000000[ 49.451210] vfs_write+0xe7/0x3a0 000000000 # [ 48.736220] RDX: 0000000000000000 RSI: ffff9f67f[ 49.461123] ksys_write+0x68/0xf0 ac9bf70 RDI: ffffffffab79bd80 # [ 48.750411] RBP: ffffffffabb[ 49.471038] do_syscall_64+0x30/0x40 8bd07 R08: 0000000000000000 R09: 0000000000000000 # [ 48.7645[ 49.481245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 99] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 49.493100] RIP: 0033:0x7f26f93b98f3 00008 # [ 48.772575] R13: ffffbf32415bff10 R14: ffffbf32415bf[ 49.503325] 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 f10 R15: ffff9f6784e17000 # [ 48.786759] FS: 00007ff70bb2058[ 49.530525] RSP: 002b:00007fff763f2568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ [ 49.545199] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f26f93b98f3 [ 49.559389] RDX: 0000000000000010 RSI: 00007f26f92ac000 RDI: 0000000000000001 48.802040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.567362] RBP: 00007f26f92ac000 R08: 00007f26f92ab010 R09: 0000000000000000 [ 48.814658] CR2: 00007ff70b929000 CR3: 000000010327c003 CR4: [ 49.581544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000003706e0 # [ 48.828843] Call Trace: # [ 48.831578][ 49.595735] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 direct_entry.cold+0x2c/0x38 # [ 48.842167] full_proxy_writ[ 49.609925] irq event stamp: 0 e+0x53/0x80 # [ 48.852665] vfs_write+0xe7/0x3a0 # [ 48.86[ 49.619544] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2580] ksys_write+0x68/0xf0 # [ 48.866283] do_syscall_64+0x3[ 49.632772] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0/0x40 # [ 48.876484] entry_SYSCALL_64_after_hwframe+0x61/0x[ 49.648120] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 c6 # [ 48.882128] RIP: 0033:0x7ff70ba368f3 # [ 48.892329] [ 49.663468] softirqs last disabled at (0): [<0000000000000000>] 0x0 Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 49.676685] ---[ end trace a1885553bf58b78c ]--- 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.919530] RSP: 002b:00007ffc8f7c7f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.927990] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff70ba368f3 # [ 48.942174] RDX: 0000000000000008 RSI: 00007ff70b929000 RDI: 0000000000000001 # [ 48.950149] RBP: 00007ff70b929000 R08: 00007ff70b928010 R09: 0000000000000000 # [ 48.964333] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.972324] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.986512] irq event stamp: 0 # [ 48.996133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.00[ 49.760370] lkdtm: Performing direct entry EXCEPTION [ 49.768187] BUG: kernel NULL pointer dereference, address: 0000000000000000 3139] hardirqs last disabled at (0): [] copy_p[ 49.775987] #PF: supervisor write access in kernel mode [ 49.788031] #PF: error_code(0x0002) - not-present page [ 49.793766] PGD 0 P4D 0 [ 49.796590] Oops: 0002 [#2] SMP PTI [ 49.800472] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 49.809022] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.815831] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.820789] Code: 48 c7 c7 68 c2 b8 ab 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 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 [ 49.841770] RSP: 0018:ffffbf32416afe60 EFLAGS: 00010286 [ 49.847602] RAX: ffffffffaaadf490 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.855569] RDX: 0000000000000000 RSI: ffff9f67fad1bf70 RDI: ffffffffab79bda0 [ 49.863536] RBP: ffffffffabac1027 R08: 0000000000000000 R09: 0000000000000000 [ 49.871503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.879471] R13: ffffbf32416aff10 R14: ffffbf32416aff10 R15: ffff9f67833eb000 [ 49.887438] FS: 00007f0218677580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 49.896474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.902887] CR2: 0000000000000000 CR3: 0000000102792003 CR4: 00000000003706e0 [ 49.910855] Call Trace: [ 49.913582] direct_entry.cold+0x2c/0x38 [ 49.917961] full_proxy_write+0x53/0x80 [ 49.922242] vfs_write+0xe7/0x3a0 [ 49.925939] ksys_write+0x68/0xf0 [ 49.929636] do_syscall_64+0x30/0x40 [ 49.933615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.939254] RIP: 0033:0x7f021858d8f3 [ 49.943241] 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 [ 49.964218] RSP: 002b:00007ffd6c25db38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.972673] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f021858d8f3 [ 49.980641] RDX: 000000000000000a RSI: 00007f0218480000 RDI: 0000000000000001 [ 49.988607] RBP: 00007f0218480000 R08: 00007f021847f010 R09: 0000000000000000 [ 49.996574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.004542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.012515] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rocess+0x640/0x1c80 # [ 49.018502] softirqs last enabled at [ 50.038975] CR2: 0000000000000000 [ 50.048882] ---[ end trace a1885553bf58b78d ]--- [ 50.054035] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.058411] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 50.079389] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 50.085221] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.093187] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 50.101153] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 50.109121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.117087] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 50.125053] FS: 00007f0218677580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 50.134089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.140503] CR2: 0000000000000000 CR3: 0000000102792003 CR4: 00000000003706e0 [ 50.148471] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.158380] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 833, name: cat [ 50.166736] INFO: lockdep is turned off. [ 50.171111] irq event stamp: 0 [ 50.174517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.181505] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.190637] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.199769] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.206766] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 50.215318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.222121] Call Trace: [ 50.224846] dump_stack+0x77/0x9b [ 50.228544] ___might_sleep.cold+0xa6/0xb6 [ 50.233116] exit_signals+0x1c/0x2e0 [ 50.237104] do_exit+0xd5/0xb00 [ 50.240607] ? ksys_write+0x68/0xf0 [ 50.244490] rewind_stack_do_exit+0x17/0x20 [ 50.249155] RIP: 0033:0x7f021858d8f3 [ 50.253142] 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 [ 50.274118] RSP: 002b:00007ffd6c25db38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.282573] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f021858d8f3 [ 50.290540] RDX: 000000000000000a RSI: 00007f0218480000 RDI: 0000000000000001 [ 50.298508] RBP: 00007f0218480000 R08: 00007f021847f010 R09: 0000000000000000 [ 50.306475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.314443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0): [] copy_process+0x640/0x1c80 # [ 49.033864] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.047082] ---[ end trace a1885553bf58b78b ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.161856] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.170293] ------------[ cut here ]------------ # [ 49.181670] Warning message trigger count: 2 # [ 49.192651] WARNING: CPU: 1 PID: 801 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.209047] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.241688] CPU: 1 PID: 801 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 49.256455] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.269482] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.281339] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 f0 93 02 48 c7 c7 68 c2 b8 ab 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.308544] RSP: 0018:ffffbf324160fe60 EFLAGS: 00010286 # [ 49.320591] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.334779] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 # [ 49.348966] RBP: ffffffffabb8bd0f R08: 0000000000000000 R09: 0000000000000000 # [ 49.363153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.377358] R13: ffffbf324160ff10 R14: ffffbf324160ff10 R15: ffff9f6785447000 # [ 49.391532] FS: 00007f26f94a3580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 49.406788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.413208] CR2: 00007f26f92ac000 CR3: 0000000105638002 CR4: 00000000003706e0 # [ 49.427390] Call Trace: # [ 49.430122] direct_entry.cold+0x2c/0x38 # [ 49.440713] full_proxy_write+0x53/0x80 # [ 49.451210] vfs_write+0xe7/0x3a0 # [ 49.461123] ksys_write+0x68/0xf0 # [ 49.471038] do_syscall_64+0x30/0x40 # [ 49.481245] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.493100] RIP: 0033:0x7f26f93b98f3 # [ 49.503325] 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 0[ 50.558741] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.571105] lkdtm: attempting good list addition [ 50.576270] lkdtm: attempting corrupted list addition 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 50.581923] lkdtm: list_add() corruption not detected! 48 89 54 24 18 # [ 49.530525] RSP: 002b:00007fff763f2568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.545199] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f26f93b98f3 # [ 49.559389] RDX: 0000000000000010 RSI: 00007f26f92ac000 RDI: 0000000000000001 # [ 49.567362] RBP: 00007f26f92ac000 R08: 00007f26f92ab010 R09: 0000000000000000 # [ 49.581544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.595735] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.609925] irq event stamp: 0 # [ 49.619544] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.632772] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.648120] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.663468] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.676685] ---[ end trace a1885553bf58b78c ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.760370] lkdtm: Performing direct entry EXCEPTION # [ 49.768187] BUG: kernel NULL pointer dereference, address: 000[ 50.708302] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.718325] lkdtm: attempting good list removal 0000000000000 # [ 49.775987] #PF: supervisor write access in [ 50.723397] lkdtm: attempting corrupted list removal [ 50.735149] lkdtm: list_del() corruption not detected! kernel mode # [ 49.788031] #PF: error_code(0x0002) - not-present page # [ 49.793766] PGD 0 P4D 0 # [ 49.796590] Oops: 0002 [#2] SMP PTI # [ 49.800472] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 49.809022] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.815831] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.820789] Code: 48 c7 c7 68 c2 b8 ab 8d 70 01 89 35 b1 f0 93 02 e8 8b 23 66 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 # [ 49.841770] RSP: 0018:ffffbf32416afe60 EFLAGS: 00010286 # [ 49.847602] RAX: ffffffffaaadf490 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.855569] RDX: 0000000000000000 RSI: ffff9f67fad1bf70 RDI: ffffffffab79bda0 # [ 49.863536] RBP: ffffffffabac1027 R08: 0000000000000000 R09: 0000000000000000 # [ 49.871503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 50.832068] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 000000000000000a # [ 49.879471] R13: ffffbf32416aff10 R14: ff[ 50.841222] lkdtm: attempting bad read from page below current stack ffbf32416aff10 R15: ffff9f67833eb000 # [ 49.887438] FS: 0000[ 50.854556] BUG: stack guard page was hit at 0000000035346c03 (stack is 000000006133bfa7..000000002b6adcab) [ 50.871631] kernel stack overflow (page fault): 0000 [#3] SMP PTI 7f0218677580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000[ 50.878436] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 50.893321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.900130] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a 000 # [ 49.896474] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 50.906645] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 c6 b8 ab 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 48 c6 b8 ab <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 50.933843] RSP: 0018:ffffbf32419ffe50 EFLAGS: 00010246 [ 50.939675] RAX: 0000000000000038 RBX: ffffbf32419fc000 RCX: 0000000000000000 [ 50.947644] RDX: 0000000000000000 RSI: ffff9f67fac9bf70 RDI: ffffffffabb8c648 [ 50.955605] RBP: ffffffffabb8bd72 R08: 0000000000000000 R09: 0000000000000000 [ 50.963573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.971542] R13: ffffbf32419fff10 R14: ffffbf32419fff10 R15: ffff9f6783000000 [ 50.979510] FS: 00007f866f80b580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 50.988547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.994954] CR2: ffffbf32419fbfff CR3: 0000000103cf8004 CR4: 00000000003706e0 [ 51.002922] Call Trace: [ 51.005650] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 51.010709] direct_entry.cold+0x2c/0x38 [ 51.015088] full_proxy_write+0x53/0x80 0050033 # [ 49.902887] CR2: 0000000000000000 CR3: 00000001027[ 51.019371] vfs_write+0xe7/0x3a0 [ 51.029279] ksys_write+0x68/0xf0 [ 51.032977] do_syscall_64+0x30/0x40 [ 51.036966] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.042605] RIP: 0033:0x7f866f7218f3 [ 51.046593] 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 [ 51.067575] RSP: 002b:00007fff6086cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.076022] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f866f7218f3 [ 51.083991] RDX: 0000000000000019 RSI: 00007f866f614000 RDI: 0000000000000001 [ 51.091961] RBP: 00007f866f614000 R08: 00007f866f613010 R09: 0000000000000000 [ 51.099931] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.107900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 92003 CR4: 00000000003706e0 # [ 49.910855] Call Trace: # [ [ 51.115874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.148515] ---[ end trace a1885553bf58b78e ]--- [ 51.153671] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.158050] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 51.179027] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 51.184861] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.192831] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 51.200801] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 51.208771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.216742] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 51.224714] FS: 00007f866f80b580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 51.233752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.240169] CR2: ffffbf32419fbfff CR3: 0000000103cf8004 CR4: 00000000003706e0 [ 51.248140] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.258042] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1058, name: cat [ 51.266496] INFO: lockdep is turned off. [ 51.270871] irq event stamp: 0 [ 51.274275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.281275] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.290401] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.299537] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.306535] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.315184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.321989] Call Trace: [ 51.324716] dump_stack+0x77/0x9b 49.913582] direct_entry.cold+0x2c/0x38 # [ 49.917961] full[ 51.328414] ___might_sleep.cold+0xa6/0xb6 [ 51.339199] exit_signals+0x1c/0x2e0 [ 51.343188] do_exit+0xd5/0xb00 [ 51.346692] ? ksys_write+0x68/0xf0 [ 51.350577] rewind_stack_do_exit+0x17/0x20 _proxy_write+0x53/0x80 # [ 49.922242] vfs_write+0xe7/0x3a0 [ 51.355245] RIP: 0033:0x7f866f7218f3 [ 51.365447] 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 [ 51.386431] RSP: 002b:00007fff6086cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.394887] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f866f7218f3 [ 51.402856] RDX: 0000000000000019 RSI: 00007f866f614000 RDI: 0000000000000001 [ 51.410827] RBP: 00007f866f614000 R08: 00007f866f613010 R09: 0000000000000000 [ 51.418797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.426767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.925939] ksys_write+0x68/0xf0 # [ 49.929636] do_syscall_64+0x30/0x40 # [ 49.933615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.939254] RIP: 0033:0x7f021858d8f3 # [ 49.943241] 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 # [ 49.964218] RSP: 002b:00007ffd6c25db38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.972673] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f021858d8f3 # [ 49.980641] RDX: 000000000000000a RSI: 00007f0218480000 RDI: 0000000000000001 # [ 49.988607] RBP: 00007f0218480000 R08: 00007f021847f010 R09: 0000000000000000 # [ 49.996574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.004542] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.012515] Modules linked in: fuse ip_tab[ 51.524673] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.535072] lkdtm: attempting bad read from page above current stack [ 51.542179] BUG: stack guard page was hit at 0000000000cb5909 (stack is 000000009ff62c0b..00000000b07cc6be) [ 51.553072] kernel stack overflow (page fault): 0000 [#4] SMP PTI les cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 51.559881] CPU: 3 PID: 1091 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.574742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev c[ 51.581540] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.594372] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 c6 b8 ab 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 c0 c6 b8 ab <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 51.615353] RSP: 0018:ffffbf3241aa7e50 EFLAGS: 00010246 [ 51.621207] RAX: 0000000000000038 RBX: ffffbf3241aa4000 RCX: 0000000000000000 [ 51.629166] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffffffffabb8c6c0 [ 51.637134] RBP: ffffffffabb8bd8b R08: 0000000000000000 R09: 0000000000000000 [ 51.645101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.653070] R13: ffffbf3241aa7f10 R14: ffffbf3241aa7f10 R15: ffff9f6785781000 [ 51.661039] FS: 00007f4f4cb4a580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 51.670077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.676482] CR2: ffffbf3241aa8000 CR3: 0000000105710006 CR4: 00000000003706e0 [ 51.684451] Call Trace: [ 51.687177] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.693011] direct_entry.cold+0x2c/0x38 [ 51.697388] full_proxy_write+0x53/0x80 [ 51.701662] vfs_write+0xe7/0x3a0 [ 51.705370] ksys_write+0x68/0xf0 [ 51.709068] do_syscall_64+0x30/0x40 [ 51.713048] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.718678] RIP: 0033:0x7f4f4ca608f3 [ 51.722677] 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 [ 51.743657] RSP: 002b:00007fff45dc31b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.752111] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f4f4ca608f3 [ 51.760080] RDX: 000000000000001a RSI: 00007f4f4c953000 RDI: 0000000000000001 [ 51.768049] RBP: 00007f4f4c953000 R08: 00007f4f4c952010 R09: 0000000000000000 [ 51.776018] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.783986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.791960] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_ther[ 51.818422] ---[ end trace a1885553bf58b78f ]--- [ 51.829786] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.834161] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 51.855140] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 51.860971] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.868940] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 51.876908] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 51.884876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.892844] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 51.900814] FS: 00007f4f4cb4a580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 51.909851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.916266] CR2: ffffbf3241aa8000 CR3: 0000000105710006 CR4: 00000000003706e0 mal cros_ec_dev cros_usbpd_notify # [ 50.038975] CR2: 0000000000000000 # [ 50.048882] ---[ end trace a1885553bf58b78d ]--- # [ 50.054035] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.058411] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 50.079389] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 50.085221] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.093187] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 50.101153] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 50.109121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.117087] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 50.125053] FS: 00007f0218677580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 50.134089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.140503] CR2: 0000000000000000 CR3: 0000000102792003 CR4: 00000000003706e0 # [ 50.148471] BUG: sleeping function called from invalid context at include/linux/percpu-[ 52.038449] lkdtm: Performing direct entry UNSET_SMEP [ 52.048012] lkdtm: trying to clear SMEP normally [ 52.053182] ------------[ cut here ]------------ [ 52.058350] pinned CR4 bits changed: 0x100000!? [ 52.063420] WARNING: CPU: 3 PID: 1127 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 52.073630] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rwsem.h:49 # [ 50.158380] in_atomic(): 0, irqs_disabled(): 1,[ 52.100095] CPU: 3 PID: 1127 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 52.114954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.121761] RIP: 0010:native_write_cr4+0x45/0x60 [ 52.126920] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 78 a4 e3 01 00 75 f2 48 c7 c7 68 b0 ac ab c6 05 68 a4 e3 01 01 e8 f6 cf e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 52.147929] RSP: 0018:ffffbf3241b27e48 EFLAGS: 00010286 [ 52.153766] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.161739] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 52.169713] RBP: ffffffffabb8bda5 R08: 0000000000000000 R09: 0000000000000000 [ 52.177685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b non_block: 0, pid: 833, name: cat # [ 50.166736] INFO: lockd[ 52.185661] R13: ffffbf3241b27f10 R14: ffffbf3241b27f10 R15: ffff9f6783e3f000 ep is turned off. # [ 50.171111] irq event stamp: 0 # [ 50[ 52.199848] FS: 00007f917e87c580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 .174517] hardirqs last enabled at (0): [<0000000000000000>] 0x0[ 52.215103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.227738] CR2: 00007f917e685000 CR3: 0000000105650005 CR4: 00000000003706e0 [ 52.235713] Call Trace: [ 52.238444] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 52.243343] direct_entry.cold+0x2c/0x38 [ 52.247751] full_proxy_write+0x53/0x80 [ 52.252061] vfs_write+0xe7/0x3a0 [ 52.255809] ksys_write+0x68/0xf0 # [ 50.181505] hardirqs last disabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.300370] RSP: 002b:00007fff8e8af518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.308830] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f917e7928f3 [ 52.316803] RDX: 000000000000000b RSI: 00007f917e685000 RDI: 0000000000000001 [ 52.324776] RBP: 00007f917e685000 R08: 00007f917e684010 R09: 0000000000000000 [ 52.332748] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.340720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.348696] irq event stamp: 0 [ 52.352135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.359137] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.368275] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.377412] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.384413] ---[ end trace a1885553bf58b790 ]--- [ 52.389567] lkdtm: ok: SMEP did not get cleared [ 52.394626] lkdtm: trying to clear SMEP with call gadget [ 52.400559] lkdtm: ok: SMEP removal was reverted 0cf0>] copy_process+0x640/0x1c80 # [ 50.190637] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.199769] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.206766] CPU: 2 PID: 833 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 50.215318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.222121] Call Trace: # [ 50.224846] dump_stack+0x77/0x9b # [ 50.228544] ___might_sleep.cold+0xa6/0xb6 # [ 50.233116] exit_signals+0x1c/0x2e0 # [ 50.237104] do_exit+0xd5/0xb00 # [ 50.240607] ? ksys_write+0x68/0xf0 # [ 50.244490] rewind_stack_do_exit+0x17/0x20 # [ 50.249155] RIP: 0033:0x7f021858d8f3 # [ 50.253142] 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 # [ 50.274118] RSP: 002b:00007ffd6c25db38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.282573][ 52.501914] lkdtm: Performing direct entry DOUBLE_FAULT [ 52.511037] lkdtm: XFAIL: this test is ia32-only RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f021858d8f3 # [ 50.290540] RDX: 000000000000000a RSI: 00007f0218480000 RDI: 0000000000000001 # [ 50.298508] RBP: 00007f0218480000 R08: 00007f021847f010 R09: 0000000000000000 # [ 50.306475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.314443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.558741] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.571105] lkdtm: attempting good list addition # [ 50.576270] lkdtm: attempting corrupted list addition # [ 50.581923] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.708302] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.718325] lkdtm: attempting good list removal # [ 50.723397] lkdtm: attempting corrupted list removal # [ 50.735149] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests[ 52.687716] lkdtm: Performing direct entry CORRUPT_PAC [ 52.696029] lkdtm: XFAIL: this test is arm64-only : lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.832068] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.841222] lkdtm: attempting bad read from page below current stack # [ 50.854556] BUG: stack guard page was hit at 0000000035346c03 (stack is 000000006133bfa7..000000002b6adcab) # [ 50.871631] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.878436] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 50.893321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.900130] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.906645] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 c6 b8 ab 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 48 c6 b8 ab <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 50.933843] RSP: 0018:ffffbf32419ffe50 EFLAGS: 00010246 # [ 50.939675] RAX: 0000000000000038 RBX: ffffbf32419fc000 RCX: 0[ 52.798235] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 52.808014] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 000000000000000 # [ 50.947644] RDX: 0000000000000000 RSI: ffff9f67fac9bf70 RDI: ffffffffabb8c648 # [ 50.955605] RBP: ffffffffabb8bd72 R08: 0000000000000000 R09: 0000000000000000 # [ 50.963573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.971542] R13: ffffbf32419fff10 R14: ffffbf32419fff10 R15: ffff9f6783000000 # [ 50.979510] FS: 00007f866f80b580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 50.988547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.994954] CR2: ffffbf32419fbfff CR3: 0000000103cf8004 CR4: 00000000003706e0 # [ 51.002922] Call Trace: # [ 51.005650] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 51.010709] direct_entry.cold+0x2c/0x38 # [ 51.015088] full_proxy_write+0x53/0x80 # [ 51.019371] vfs_write+0xe7/0x3a0 # [ 51.029279] ksys_write+0x68/0xf0 # [ 51.032977] do_syscall_64+0x30/0x40 # [ 51.036966] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.042605] RIP: 0033:0x7f866f7218f3 # [ 51.046593] 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 # [ 51.067575] RSP: 002b:00007fff6086cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.076022] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f866f7218f3 # [ 51.083991] RDX: 0000000000000019 RSI: 00007f866f614000 RDI: 0000000000000001 # [ 51.091961] RBP: 00007f866f614000 R08: 00007f866f613010 R09: 0000000000000000 # [ 51.099931] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.107900] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.115874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.148515] ---[ end trace a1885553bf58b78e ]--- # [ 51.153671] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 53.017105] lkdtm: Performing direct entry READ_AFTER_FREE 51.158050] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de[ 53.026962] lkdtm: Value in memory before free: 12345678 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 [ 53.039109] lkdtm: Attempting bad read from freed memory 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 53.051255] lkdtm: Memory was not poisoned 83 05 e0 f0 93 02 # [ 51.179027] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 51.184861] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.192831] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 51.200801] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 51.208771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.216742] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 51.224714] FS: 00007f866f80b580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 51.233752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.240169] CR2: ffffbf32419fbfff CR3: 0000000103cf8004 CR4: 00000000003706e0 # [ 51.248140] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.258042] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1058, name: cat # [ 51.266496] INFO: lockdep is turned off. # [ 51.270871] irq event stamp: 0 # [ 51.274275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.281275] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.290401] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.299537] softirqs last disabled at (0): [<00[ 53.190141] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.199273] lkdtm: Value in memory before free: 12345678 [ 53.205235] lkdtm: Attempting to read from freed memory [ 53.211072] lkdtm: Buddy page was not poisoned 00000000000000>] 0x0 # [ 51.306535] CPU: 1 PID: 1058 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.315184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.321989] Call Trace: # [ 51.324716] dump_stack+0x77/0x9b # [ 51.328414] ___might_sleep.cold+0xa6/0xb6 # [ 51.339199] exit_signals+0x1c/0x2e0 # [ 51.343188] do_exit+0xd5/0xb00 # [ 51.346692] ? ksys_write+0x68/0xf0 # [ 51.350577] rewind_stack_do_exit+0x17/0x20 # [ 51.355245] RIP: 0033:0x7f866f7218f3 # [ 51.365447] 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 # [ 51.386431] RSP: 002b:00007fff6086cf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.394887] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 000[ 53.300926] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 07f866f7218f3 # [ 51.402856] RDX: 0000000000000019 RSI: 00007[ 53.309335] lkdtm: Attempting double slab free ... f866f614000 RDI: 0000000000000001 # [ 51.410827] RBP: 00007f866f614000 R08: 00007f866f613010 R09: 0000000000000000 # [ 51.418797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.426767] 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 # [ 51.524673] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.535072] lkdtm: attempting bad read from page above current stack # [ 51.542179] BUG: stack guard page was hit at 0000000000cb5909 (stack is 000000009ff62c0b..00000000b07cc6be) # [ 51.553072] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.559881] CPU: 3 PID: 1091 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.574742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.581540] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x2[ 53.419410] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.426496] lkdtm: Attempting cross-cache slab free ... 7/0x3d # [ 51.594372] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 c6 b8 ab 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 c0 c6 b8 ab <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 51.615353] RSP: 0018:ffffbf3241aa7e50 EFLAGS: 00010246 # [ 51.621207] RAX: 0000000000000038 RBX: ffffbf3241aa4000 RCX: 0000000000000000 # [ 51.629166] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffffffffabb8c6c0 # [ 51.637134] RBP: ffffffffabb8bd8b R08: 0000000000000000 R09: 0000000000000000 # [ 51.645101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.653070] R13: ffffbf3241aa7f10 R14: ffffbf3241aa7f10 R15: ffff9f6785781000 # [ 51.661039] FS: 00007f4f4cb4a580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 51.670077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.676482] CR2: ffffbf3241aa8000 CR3: 0000000105710006 CR4: 00000000003706e0 # [ 51.684451] Call Trace: # [ 51.687177] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.693011] direct_entry.cold+0x2c/0x38 # [ 51.697388] full_proxy_write+0x53/0x80 # [ 51.701662] vfs_write+0xe7/0x3a0 # [ 51.705370] ksys_write+0x68/0xf0 # [ 51.709068] do_syscall_64+0x30/0x40 # [ 51.713048] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.718678] RIP:[ 53.557502] lkdtm: Performing direct entry SLAB_FREE_PAGE 0033:0x7f4f4ca608f3 # [ 51.722677] Code: 8b 15 a1 25 0e 00 f[ 53.568962] lkdtm: Attempting non-Slab slab free ... 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 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 # [ 51.743657] RSP: 002b:00007fff45dc31b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.752111] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f4f4ca608f3 # [ 51.760080] RDX: 000000000000001a RSI: 00007f4f4c953000 RDI: 0000000000000001 # [ 51.768049] RBP: 00007f4f4c953000 R08: 00007f4f4c952010 R09: 0000000000000000 # [ 51.776018] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.783986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.791960] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.818422] ---[ end trace a1885553bf58b78f ]--- # [ 51.829786] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.834161] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 51.855140] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 51.860971] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.868940] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 51.876908] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 51.884876] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.892844] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 51.900814] FS: 00007f4f4cb4a580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 51.909851] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.916266] CR2: ffffbf3241aa8000 CR3: 0000000105710006 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh[ 53.784208] lkdtm: Performing direct entry EXEC_DATA # selftests: lkdtm: UNSET_SMEP.sh # [ 52.038449] lkdtm: Per[ 53.791409] lkdtm: attempting ok execution at ffffffffaaadf800 forming direct entry UNSET_SMEP # [ 52.048012] lkdtm: trying [ 53.804145] lkdtm: attempting bad execution at ffffffffad41e560 to clear SMEP normally # [ 52.053182] ------------[ cut here [ 53.816960] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.831498] BUG: unable to handle page fault for address: ffffffffad41e560 [ 53.839175] #PF: supervisor instruction fetch in kernel mode [ 53.845493] #PF: error_code(0x0011) - permissions violation [ 53.851712] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 800000010a6000e3 [ 53.859494] Oops: 0011 [#5] SMP PTI [ 53.863384] CPU: 0 PID: 1634 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 53.872032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.878828] RIP: 0010:data_area+0x0/0x40 [ 53.883209] Code: ff ff 00 86 1c 81 67 9f ff ff 00 85 1c 81 67 9f 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 [ 53.904177] RSP: 0018:ffffbf32422ffe48 EFLAGS: 00010246 [ 53.910010] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.917976] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 [ 53.925942] RBP: ffffffffad41e560 R08: 0000000000000000 R09: 0000000000000000 [ 53.933909] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.941877] R13: ffffbf32422fff10 R14: ffffbf32422fff10 R15: ffff9f67827e0000 [ 53.949837] FS: 00007f8fbe573580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 53.958873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.965287] CR2: ffffffffad41e560 CR3: 0000000105564002 CR4: 00000000003706f0 [ 53.973255] Call Trace: [ 53.975983] ? execute_location+0x45/0x56 [ 53.980461] ? direct_entry.cold+0x2c/0x38 [ 53.985026] ? full_proxy_write+0x53/0x80 [ 53.989507] ? vfs_write+0xe7/0x3a0 [ 53.993403] ? ksys_write+0x68/0xf0 [ 53.997294] ? do_syscall_64+0x30/0x40 [ 54.001467] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.007304] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.033742] CR2: ffffffffad41e560 [ 54.037440] ---[ end trace a1885553bf58b791 ]--- [ 54.042596] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.046972] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 54.067942] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 54.073774] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.081740] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 54.089708] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.097676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.105642] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 54.113610] FS: 00007f8fbe573580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 54.122646] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.129061] CR2: ffffffffad41e560 CR3: 0000000105564002 CR4: 00000000003706f0 [ 54.137030] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.146939] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat [ 54.155391] INFO: lockdep is turned off. [ 54.159767] irq event stamp: 0 [ 54.163171] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.170170] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.179303] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.188436] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.195435] CPU: 0 PID: 1634 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 54.204073] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.210875] Call Trace: [ 54.213602] dump_stack+0x77/0x9b [ 54.217306] ___might_sleep.cold+0xa6/0xb6 [ 54.221882] exit_signals+0x1c/0x2e0 [ 54.225876] do_exit+0xd5/0xb00 [ 54.229370] ? ksys_write+0x68/0xf0 [ 54.233264] rewind_stack_do_exit+0x17/0x20 [ 54.237935] RIP: 0033:0x7f8fbe4898f3 [ 54.241922] 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 [ 54.262899] RSP: 002b:00007ffd2afb47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.271352] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8fbe4898f3 [ 54.279320] RDX: 000000000000000a RSI: 00007f8fbe37c000 RDI: 0000000000000001 [ 54.287288] RBP: 00007f8fbe37c000 R08: 00007f8fbe37b010 R09: 0000000000000000 [ 54.295256] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.303223] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ]------------ # [ 52.058350] pinned CR4 bits changed: 0x100000!? # [ 52.063420] WARNING: CPU: 3 PID: 1127 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 52.073630] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.100095] CPU: 3 PID: 1127 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 52.114954] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.121761] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.126920] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 78 a4 e3 01 00 75 f2 48 c7 c7 68 b0 ac ab c6 05 68 a4 e3 01 01 e8 f6 cf e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 52.147929] RSP: 0018:ffffbf3241b27e48 EFLAGS: 00010286 # [ 52.153766] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.161739] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 52.169713] RBP: ffffffffabb8bd[ 54.422144] lkdtm: Performing direct entry EXEC_STACK a5 R08: 0000000000000000 R09: 0000000000000000 # [ 52.177685][ 54.428756] lkdtm: attempting ok execution at ffffffffaaadf800 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 54.441493] lkdtm: attempting bad execution at ffffbf324239fe18 0b # [ 52.185661] R13: ffffbf3241b27f10 R14: ffffbf3241b27f10[ 54.454320] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.468851] BUG: unable to handle page fault for address: ffffbf324239fe18 [ 54.476530] #PF: supervisor instruction fetch in kernel mode [ 54.482840] #PF: error_code(0x0011) - permissions violation [ 54.489060] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1054b0067 PTE 800000010309e063 [ 54.498106] Oops: 0011 [#6] SMP PTI [ 54.501996] CPU: 0 PID: 1670 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 54.510644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.517446] RIP: 0010:0xffffbf324239fe18 [ 54.521822] Code: 00 00 18 fe 39 42 32 bf ff ff ff d5 16 ab ff ff ff ff 20 00 00 00 00 00 00 00 ce be b8 ab ff ff ff ff 2e d7 16 ab 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 [ 54.542802] RSP: 0018:ffffbf324239fdf8 EFLAGS: 00010246 [ 54.548635] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.556605] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 [ 54.564572] RBP: ffffbf324239fe18 R08: 0000000000000000 R09: 0000000000000000 [ 54.572541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.580509] R13: ffffbf324239ff10 R14: ffffbf324239ff10 R15: ffff9f6783216000 [ 54.588478] FS: 00007f686cb7b580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 54.597515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.603931] CR2: ffffbf324239fe18 CR3: 0000000105564003 CR4: 00000000003706f0 [ 54.611901] Call Trace: [ 54.614628] ? execute_location+0x45/0x56 [ 54.619109] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.623584] ? direct_entry.cold+0x2c/0x38 [ 54.628157] ? full_proxy_write+0x53/0x80 [ 54.632635] ? vfs_write+0xe7/0x3a0 [ 54.636526] ? ksys_write+0x68/0xf0 [ 54.640418] ? do_syscall_64+0x30/0x40 [ 54.644591] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.650428] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.676865] CR2: ffffbf324239fe18 [ 54.680552] ---[ end trace a1885553bf58b792 ]--- [ 54.685708] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.690083] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 54.711066] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 54.716901] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.724870] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 54.732838] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 54.740806] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.748775] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 54.756744] FS: 00007f686cb7b580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 54.765780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.772196] CR2: ffffbf324239fe18 CR3: 0000000105564003 CR4: 00000000003706f0 R15: ffff9f6783e3f000 # [ 52.199848] FS: 00007f917e87c580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 52.215103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.227738] CR2: 00007f917e685000 CR3: 0000000105650005 CR4: 00000000003706e0 # [ 52.235713] Call Trace: # [ 52.238444] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.243343] direct_entry.cold+0x2c/0x38 # [ 52.247751] full_proxy_write+0x53/0x80 # [ 52.252061] vfs_write+0xe7/0x3a0 # [ 52.255809] ksys_write+0x68/0xf0 # [ 52.259524] do_syscall_64+0x30/0x40 # [ 52.269720] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.275373] RIP: 0033:0x7f917e7928f3 # [ 52.279378] 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 # [ 52.300370] RSP: 002b:00007fff8e8af518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.308830] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f917e7928f3 # [ 52.316803] RDX: 000000000000000b RSI: 00007f917e685000 RDI: 0000000000000001 # [ 52.324776] RBP: 00007f917e685000 R08: 00007f917e684010 R09: 0000000000000000 # [ 52.332748] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.340720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.348696] irq event stamp: 0 # [ 52.352135] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.359137] hardirqs [ 54.925339] lkdtm: Performing direct entry EXEC_KMALLOC [ 54.935259] lkdtm: attempting ok execution at ffffffffaaadf800 [ 54.941814] lkdtm: attempting bad execution at ffff9f6783374a80 [ 54.948463] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.956834] BUG: unable to handle page fault for address: ffff9f6783374a80 last disabled at (0): [] copy_process+0x640/0x[ 54.964513] #PF: supervisor instruction fetch in kernel mode [ 54.977043] #PF: error_code(0x0011) - permissions violation 1c[80 # [ 52.368275] softirqs last enabled at (0): [ 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.043223] RSP: 0018:ffffbf324235fe38 EFLAGS: 00010246 [ 55.049056] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.057025] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 55.064994] RBP: ffff9f6783374a80 R08: 0000000000000000 R09: 0000000000000000 [ 55.072962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.080929] R13: ffffbf324235ff10 R14: ffffbf324235ff10 R15: ffff9f678338f000 [ 55.088897] FS: 00007f25bcce1580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 55.097926] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.104331] CR2: ffff9f6783374a80 CR3: 0000000103170006 CR4: 00000000003706e0 [ 55.112322] Call Trace: [ 55.115051] ? execute_location+0x45/0x56 [ 55.119525] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.124192] ? direct_entry.cold+0x2c/0x38 [ 55.128763] ? full_proxy_write+0x53/0x80 [ 55.133238] ? vfs_write+0xe7/0x3a0 [ 55.137130] ? ksys_write+0x68/0xf0 [ 55.141022] ? do_syscall_64+0x30/0x40 [ 55.145205] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.151041] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify aa300cf0>] copy_process+0x640/0x1c80 # [ 52.377412] softirqs [ 55.177499] CR2: ffff9f6783374a80 [ 55.187408] ---[ end trace a1885553bf58b793 ]--- [ 55.192561] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.196937] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 55.217915] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 55.223746] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.231715] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 55.239683] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 55.247652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.255612] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 55.263582] FS: 00007f25bcce1580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 55.272618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.279033] CR2: ffff9f6783374a80 CR3: 0000000103170006 CR4: 00000000003706e0 [ 55.287002] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.296912] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1706, name: cat [ 55.305369] INFO: lockdep is turned off. [ 55.309744] irq event stamp: 0 [ 55.313150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.320141] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.329274] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.338407] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.345403] CPU: 3 PID: 1706 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 55.354052] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.360855] Call Trace: [ 55.363582] dump_stack+0x77/0x9b [ 55.367279] ___might_sleep.cold+0xa6/0xb6 [ 55.371842] exit_signals+0x1c/0x2e0 [ 55.375831] do_exit+0xd5/0xb00 [ 55.379333] ? ksys_write+0x68/0xf0 [ 55.383218] rewind_stack_do_exit+0x17/0x20 [ 55.387884] RIP: 0033:0x7f25bcbf78f3 [ 55.391871] 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 [ 55.412848] RSP: 002b:00007ffc5f356e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.421318] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f25bcbf78f3 [ 55.429284] RDX: 000000000000000d RSI: 00007f25bcaea000 RDI: 0000000000000001 [ 55.437249] RBP: 00007f25bcaea000 R08: 00007f25bcae9010 R09: 0000000000000000 [ 55.445217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.453183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 last disabled at (0): [<0000000000000000>] 0x0 # [ 52.384413] ---[ end trace a1885553bf58b790 ]--- # [ 52.389567] lkdtm: ok: SMEP did not get cleared # [ 52.394626] lkdtm: trying to clear SMEP with call gadget # [ 52.400559] 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 # [ 52.501914] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.511037] 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 # [ 52.687716] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.696029] 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 # [ 52.798235] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.808014] 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 #[ 55.569737] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.578927] lkdtm: attempting ok execution at ffffffffaaadf800 [ 55.585467] lkdtm: attempting bad execution at ffffbf3240379000 [ 55.592110] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.600479] BUG: unable to handle page fault for address: ffffbf3240379000 SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping O[ 55.608158] #PF: supervisor instruction fetch in kernel mode [ 55.620686] #PF: error_code(0x0011) - permissions violation VE[RWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests 55.626906] PGD 100000067 P4D 100000067 PUD 100211067 PMD 100991067 PTE 8000000104ca4063 [ 55.642162] Oops: 0011 [#8] SMP PTI [ 55.646054] CPU: 3 PID: 1742 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 55.654702] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.661507] RIP: 0010:0xffffbf3240379000 [ 55.665884] Code: Unable to access opcode bytes at RIP 0xffffbf3240378fd6. [ 55.673560] RSP: 0018:ffffbf3242497e38 EFLAGS: 00010246 [ 55.679391] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.687372] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 55.695378] RBP: ffffbf3240379000 R08: 0000000000000000 R09: 0000000000000000 [ 55.703345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.711320] R13: ffffbf3242497f10 R14: ffffbf3242497f10 R15: ffff9f6784ca4000 [ 55.719287] FS: 00007fb1397e4580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 55.728324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.734737] CR2: ffffbf3240378fd6 CR3: 0000000103cf8006 CR4: 00000000003706e0 [ 55.742706] Call Trace: [ 55.745435] ? execute_location+0x45/0x56 [ 55.749909] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.754575] ? direct_entry.cold+0x2c/0x38 [ 55.759146] ? full_proxy_write+0x53/0x80 [ 55.763620] ? vfs_write+0xe7/0x3a0 [ 55.767510] ? ksys_write+0x68/0xf0 [ 55.771401] ? do_syscall_64+0x30/0x40 [ 55.775574] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.781410] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRI[ 55.807869] CR2: ffffbf3240379000 [ 55.817776] ---[ end trace a1885553bf58b794 ]--- [ 55.822929] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.827320] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 55.848320] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 55.854152] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.862120] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 55.870089] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 55.878057] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.886025] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 55.893993] FS: 00007fb1397e4580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 55.903029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.909443] CR2: ffffbf3240378fd6 CR3: 0000000103cf8006 CR4: 00000000003706e0 TE_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 # [ 53.017105] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.026962] lkdtm: Value in memory before free: 12345678 # [ 53.039109] lkdtm: Attempting bad read from freed memory # [ 53.051255] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 53.190141] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.199273] lkdtm: Value in memory before free: 12345678 # [ 53.205235] lkdtm: Attempting to read from freed memory # [ 53.211072] lkdtm: Buddy page w[ 56.009724] lkdtm: Performing direct entry EXEC_RODATA [ 56.016428] lkdtm: attempting ok execution at ffffffffaaadf800 [ 56.022957] lkdtm: attempting bad execution at ffffffffab79c200 [ 56.029581] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.037944] BUG: unable to handle page fault for address: ffffffffab79c200 [ 56.045613] #PF: supervisor instruction fetch in kernel mode [ 56.051923] #PF: error_code(0x0011) - permissions violation [ 56.058135] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 80000001088000e1 as not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:':[ 56.065917] Oops: 0011 [#9] SMP PTI [ 56.076020] CPU: 3 PID: 1778 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.084668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.091474] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.097209] Code: ff ff 9e eb 16 ab ff ff ff ff 1a c1 b8 ab ff ff ff ff e4 d2 16 ab 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 [ 56.118187] RSP: 0018:ffffbf324253fe48 EFLAGS: 00010246 [ 56.124020] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.131988] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 56.139956] RBP: ffffffffab79c200 R08: 0000000000000000 R09: 0000000000000000 [ 56.147923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.155890] R13: ffffbf324253ff10 R14: ffffbf324253ff10 R15: ffff9f678338a000 [ 56.163860] FS: 00007f9f4fa98580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 56.172886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.179316] CR2: ffffffffab79c200 CR3: 0000000103a30001 CR4: 00000000003706e0 [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 56.187295] Call Trace: [ 56.196236] ? execute_location+0x45/0x56 [ 56.200709] ? direct_entry.cold+0x2c/0x38 [ 56.205282] ? full_proxy_write+0x53/0x80 [ 56.209757] ? vfs_write+0xe7/0x3a0 [ 56.213647] ? ksys_write+0x68/0xf0 [ 56.217538] ? do_syscall_64+0x30/0x40 [ 56.221712] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.227547] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.300926[ 56.254004] CR2: ffffffffab79c200 [ 56.263913] ---[ end trace a1885553bf58b795 ]--- [ 56.269067] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.273443] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 56.294422] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 56.300254] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.308221] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 56.316188] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 56.324155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.332121] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 56.340089] FS: 00007f9f4fa98580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 56.349125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.355540] CR2: ffffffffab79c200 CR3: 0000000103a30001 CR4: 00000000003706e0 [ 56.363509] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.373411] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1778, name: cat [ 56.381864] INFO: lockdep is turned off. [ 56.386240] irq event stamp: 0 [ 56.389636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.396635] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.405771] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.414904] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.421902] CPU: 3 PID: 1778 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.430549] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.437371] Call Trace: [ 56.440099] dump_stack+0x77/0x9b [ 56.443797] ___might_sleep.cold+0xa6/0xb6 [ 56.448369] exit_signals+0x1c/0x2e0 [ 56.452366] do_exit+0xd5/0xb00 [ 56.455868] ? ksys_write+0x68/0xf0 [ 56.459753] rewind_stack_do_exit+0x17/0x20 [ 56.464420] RIP: 0033:0x7f9f4f9ae8f3 [ 56.468408] 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 [ 56.489389] RSP: 002b:00007ffd68780718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.497834] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9f4f9ae8f3 [ 56.505801] RDX: 000000000000000c RSI: 00007f9f4f8a1000 RDI: 0000000000000001 [ 56.513770] RBP: 00007f9f4f8a1000 R08: 00007f9f4f8a0010 R09: 0000000000000000 [ 56.521738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.529707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.309335] 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 # [ 53.419410] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.426496] 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 # [ 53.557502] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.568962] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: l[ 56.650659] lkdtm: Performing direct entry EXEC_USERSPACE kdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # K[ 56.661865] lkdtm: attempting ok execution at ffffffffaaadf800 illed # [ 53.784208] lkdtm: Performing direct entry EXEC_DATA[ 56.674591] lkdtm: attempting bad execution at 00007f25eafc8000 # [ 53.791409] lkdtm: attempting ok execution at ffffffffaaa[ 56.687437] unable to execute userspace code (SMEP?) (uid: 0) [ 56.700025] BUG: unable to handle page fault for address: 00007f25eafc8000 [ 56.707703] #PF: supervisor instruction fetch in kernel mode [ 56.714020] #PF: error_code(0x0011) - permissions violation [ 56.720240] PGD 80000001056b5067 P4D 80000001056b5067 PUD 104ee7067 PMD 104e78067 PTE 1187d7067 [ 56.729967] Oops: 0011 [#10] SMP PTI [ 56.733946] CPU: 0 PID: 1814 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.742594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.749400] RIP: 0010:0x7f25eafc8000 [ 56.753379] Code: Unable to access opcode bytes at RIP 0x7f25eafc7fd6. [ 56.760669] RSP: 0018:ffffbf32425efe50 EFLAGS: 00010246 [ 56.766502] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.774472] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 [ 56.782441] RBP: 00007f25eafc8000 R08: 0000000000000000 R09: 0000000000000000 [ 56.790412] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.798382] R13: ffffbf32425eff10 R14: ffffbf32425eff10 R15: ffff9f67834ca000 [ 56.806369] FS: 00007f25eaf99580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 56.815407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.821823] CR2: 00007f25eafc8000 CR3: 0000000105618003 CR4: 00000000003706f0 [ 56.829792] Call Trace: [ 56.832521] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.837874] ? direct_entry.cold+0x2c/0x38 [ 56.842439] ? full_proxy_write+0x53/0x80 [ 56.846914] ? vfs_write+0xe7/0x3a0 [ 56.850806] ? ksys_write+0x68/0xf0 [ 56.854688] ? do_syscall_64+0x30/0x40 [ 56.858863] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.864700] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.891139] CR2: 00007f25eafc8000 [ 56.894835] ---[ end trace a1885553bf58b796 ]--- [ 56.899989] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.904371] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 56.925349] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 56.931173] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.939142] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 56.947109] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 56.955076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.963042] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 56.971010] FS: 00007f25eaf99580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 [ 56.980045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.986460] CR2: 00007f25eafc8000 CR3: 0000000105618003 CR4: 00000000003706f0 df800 # [ 53.804145] lkdtm: attempting bad execution at ffffffffad41e560 # [ 53.816960] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.831498] BUG: unable to handle page fault for address: ffffffffad41e560 # [ 53.839175] #PF: supervisor instruction fetch in kernel mode # [ 53.845493] #PF: error_code(0x0011) - permissions violation # [ 53.851712] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 800000010a6000e3 # [ 53.859494] Oops: 0011 [#5] SMP PTI # [ 53.863384] CPU: 0 PID: 1634 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 53.872032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.878828] RIP: 0010:data_area+0x0/0x40 # [ 53.883209] Code: ff ff 00 86 1c 81 67 9f ff ff 00 85 1c 81 67 9f 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 # [ 53.904177] RSP: 0018:ffffbf32422ffe48 EFLAGS: 00010246 # [ 53.910010] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.917976] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 # [ 53.925942] RBP: ffffffffad41e560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.933909] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.941877] R13: ffffbf32422fff10 R14: ffffbf32422fff10 R15: ffff9f67827e0000 # [ 53.949837] FS: 00007f8fbe573580(0000) GS:ffff9f67fac[ 57.135177] lkdtm: Performing direct entry EXEC_NULL 00000(0000) knlGS:0000000000000000 # [ 53.958873] CS: 0010 D[ 57.142936] lkdtm: attempting ok execution at ffffffffaaadf800 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.965287] CR2: ff[ 57.155689] lkdtm: attempting bad execution at 0000000000000000 ffffffad41e560 CR3: 0000000105564002 CR4: 00000000003706f0 # [ [ 57.168496] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.182485] #PF: supervisor instruction fetch in kernel mode [ 57.188805] #PF: error_code(0x0010) - not-present page [53.973255] Call Trace: # [ 53.975983] ? execute_location+0 57.194534] PGD 0 P4D 0 [ 57.203574] Oops: 0010 [#11] SMP PTI [ 57.207556] CPU: 1 PID: 1850 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 57.216206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.223010] RIP: 0010:0x0 [ 57.225924] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.233601] RSP: 0018:ffffbf3242667e48 EFLAGS: 00010246 [ 57.239435] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.247405] RDX: 0000000000000000 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 [ 57.255373] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.263343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a x45/0x56 # [ 53.980461] ? direct_entry.cold+0x2c/0x38 # [ [ 57.271334] R13: ffffbf3242667f10 R14: ffffbf3242667f10 R15: ffff9f6784608000 [ 57.285518] FS: 00007fe5bbba3580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 57.294554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.300968] CR2: ffffffffffffffd6 CR3: 0000000104e54003 CR4: 00000000003706e0 [ 57.308936] Call Trace: [ 57.311664] execute_location+0x45/0x56 53.985026] ? full_proxy_write+0x53/0x80 # [ 53.989507] ? v[ 57.315946] direct_entry.cold+0x2c/0x38 [ 57.326534] full_proxy_write+0x53/0x80 fs_write+0xe7/0x3a0 # [ 53.993403] ? ksys_write+0x68/0xf0 #[ 57.330816] vfs_write+0xe7/0x3a0 [ 57.340725] ksys_write+0x68/0xf0 [ 57.344423] do_syscall_64+0x30/0x40 [ 57.348411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.354049] RIP: 0033:0x7fe5bbab98f3 [ 57.358038] 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 [ 57.379019] RSP: 002b:00007ffdff3bfd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.387473] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe5bbab98f3 [ 57.395441] RDX: 000000000000000a RSI: 00007fe5bb9ac000 RDI: 0000000000000001 [ 57.403410] RBP: 00007fe5bb9ac000 R08: 00007fe5bb9ab010 R09: 0000000000000000 [ 57.411378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.419367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.997294] ? do_syscall_64+0x30/0x40 # [ 54.001467] ? [ 57.427342] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.459971] CR2: 0000000000000000 [ 57.463667] ---[ end trace a1885553bf58b797 ]--- [ 57.468812] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.473187] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 57.494167] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 57.499991] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.507958] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 57.515926] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 57.523893] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.531861] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 57.539831] FS: 00007fe5bbba3580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 57.548867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.555282] CR2: ffffffffffffffd6 CR3: 0000000104e54003 CR4: 00000000003706e0 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.007304] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.033742] CR2: ffffffffad41e560 # [ 54.037440] ---[ end trace a1885553bf58b791 ]--- # [ 54.042596] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.046972] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 54.067942] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 54.073774] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.081740] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 54.089708] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.097676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.10564[ 57.666838] lkdtm: Performing direct entry ACCESS_USERSPACE 2] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c1[ 57.675203] lkdtm: attempting bad read at 00007f5ccda76000 3000 # [ 54.113610] FS: 00007f8fbe573580(0000) GS:ffff9f67fa[ 57.687545] BUG: unable to handle page fault for address: 00007f5ccda76000 [ 57.701420] #PF: supervisor read access in kernel mode [ 57.707158] #PF: error_code(0x0001) - permissions violation c0[0000(0000) knlGS:0000000000000000 # [ 54.122646] CS: 0010 57.713394] PGD 80000001040ef067 P4D 80000001040ef067 PUD 10316d067 PMD 105c99067 PTE 111adc067 [ 57.729331] Oops: 0001 [#12] SMP PTI [ 57.733321] CPU: 1 PID: 1885 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 57.741968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.748773] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.129061] CR2: f[ 57.754996] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 ce b8 ab e8 64 99 fd ff 48 c7 c7 60 ce b8 ab b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 88 ce b8 [ 57.782185] RSP: 0018:ffffbf324262fe48 EFLAGS: 00010246 [ 57.788016] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.795985] RDX: 0000000000000000 RSI: ffff9f67fac9bf70 RDI: ffffffffabb8ce60 [ 57.803951] RBP: 00007f5ccda76000 R08: 0000000000000000 R09: 0000000000000000 [ 57.811919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.819885] R13: ffffbf324262ff10 R14: ffffbf324262ff10 R15: ffff9f6784d69000 [ 57.827853] FS: 00007f5ccda47580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 57.836889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.843318] CR2: 00007f5ccda76000 CR3: 0000000103cf8004 CR4: 00000000003706e0 [ 57.851287] Call Trace: [ 57.854007] direct_entry.cold+0x2c/0x38 fffffffad41e560 CR3: 0000000105564002 CR4: 00000000003706f0 # [[ 57.858385] full_proxy_write+0x53/0x80 [ 57.868878] vfs_write+0xe7/0x3a0 54.137030] BUG: sleeping function called from invalid context[ 57.872578] ksys_write+0x68/0xf0 [ 57.882487] do_syscall_64+0x30/0x40 at include/linux/percpu-rwsem.h:49 # [ 54.146939] in_atomic([ 57.886478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.898329] RIP: 0033:0x7f5ccd95d8f3 [ 57.902318] 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 [ 57.923317] RSP: 002b:00007fffca6ac828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.931772] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5ccd95d8f3 [ 57.939738] RDX: 0000000000000011 RSI: 00007f5ccd850000 RDI: 0000000000000001 [ 57.947705] RBP: 00007f5ccd850000 R08: 00007f5ccd84f010 R09: 0000000000000000 [ 57.955672] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.963638] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ): 0, irqs_disabled(): 1, non_block: 0, pid: 1634, name: cat # [ 57.971609] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.004241] CR2: 00007f5ccda76000 [ 58.007938] ---[ end trace a1885553bf58b798 ]--- [ 58.013092] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.155391] INFO: lockdep is turned off. # [ 54.159767] ir[ 58.017469] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 58.044658] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 58.050482] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.058450] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 58.066417] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.074386] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.082344] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 58.090332] FS: 00007f5ccda47580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 58.099372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.105787] CR2: 00007f5ccda76000 CR3: 0000000103cf8004 CR4: 00000000003706e0 [ 58.113756] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.123667] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1885, name: cat [ 58.132121] INFO: lockdep is turned off. [ 58.136496] irq event stamp: 0 [ 58.139900] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.146899] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.156033] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.165168] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.172157] CPU: 1 PID: 1885 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 58.180805] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.187607] Call Trace: [ 58.190335] dump_stack+0x77/0x9b q event stamp: 0 # [ 54.163171] hardirqs last enabled at (0)[ 58.194034] ___might_sleep.cold+0xa6/0xb6 [ 58.204818] exit_signals+0x1c/0x2e0 : [<0000000000000000>] 0x0 # [ 54.170170] hardirqs last disab[ 58.208807] do_exit+0xd5/0xb00 [ 58.218523] ? ksys_write+0x68/0xf0 [ 58.222406] rewind_stack_do_exit+0x17/0x20 led at (0): [] copy_process+0x640/0x1c80 # [ [ 58.227075] RIP: 0033:0x7f5ccd95d8f3 [ 58.237274] 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 [ 58.258255] RSP: 002b:00007fffca6ac828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.266709] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5ccd95d8f3 [ 58.274677] RDX: 0000000000000011 RSI: 00007f5ccd850000 RDI: 0000000000000001 [ 58.282637] RBP: 00007f5ccd850000 R08: 00007f5ccd84f010 R09: 0000000000000000 [ 58.290605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.298573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54.179303] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.188436] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.195435] CPU: 0 PID: 1634 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 54.204073] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.210875] Call Trace: # [ 54.213602] dump_stack+0x77/0x9b # [ 54.217306] ___might_sleep.cold+0xa6/0xb6 # [ 54.221882] exit_signals+0x1c/0x2e0 # [ 54.225876] do_exit+0xd5/0xb00 # [ 54.229370] ? ksys_write+0x68/0xf0 # [ 54.233264] rewind_stack_do_exit+0x17/0x20 # [ 54.237935] RIP: 0033:0x7f8fbe4898f3 # [ 54.241922] 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 # [ 54.262899] RSP: 002b:00007ffd2afb47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.271352] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8fbe4898f3 # [ 54.279320] RDX: 000000000000000a RSI: 00007f8fbe37c000 RDI: 0000000000000001 # [ 54.287288] RBP: 00007f8fbe37c000 R08: 00007f8fbe37b010 R09: 0000000000000000 # [ 54.295256] R10: fffffffffffffbc5 R11: 0000000000000[ 58.425002] lkdtm: Performing direct entry ACCESS_NULL [ 58.436594] lkdtm: attempting bad read at 0000000000000000 [ 58.442755] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.450560] #PF: supervisor read access in kernel mode [ 58.456296] #PF: error_code(0x0000) - not-present page [ 58.462033] PGD 0 P4D 0 [ 58.464860] Oops: 0000 [#13] SMP PTI [ 58.468839] CPU: 3 PID: 1920 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 58.477486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 246[ R12: 0000000000000001 # [ 54.303223] R13: 000000000000000 58.484294] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.495759] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 9c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 ce b8 ab e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 ce b8 ab 48 01 [ 58.516739] RSP: 0018:ffffbf32427d7e58 EFLAGS: 00010246 [ 58.522571] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.530536] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 58.538503] RBP: ffffffffabb8bf29 R08: 0000000000000000 R09: 0000000000000000 [ 58.546470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.554437] R13: ffffbf32427d7f10 R14: ffffbf32427d7f10 R15: ffff9f6785798000 [ 58.562405] FS: 00007fc142da3580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 58.571441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.577856] CR2: 0000000000000000 CR3: 00000001013e0006 CR4: 00000000003706e0 [ 58.585825] Call Trace: [ 58.588553] direct_entry.cold+0x2c/0x38 [ 58.592931] full_proxy_write+0x53/0x80 [ 58.597212] vfs_write+0xe7/0x3a0 [ 58.600910] ksys_write+0x68/0xf0 [ 58.604608] do_syscall_64+0x30/0x40 [ 58.608597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.614235] RIP: 0033:0x7fc142cb98f3 [ 58.618223] 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 [ 58.639203] RSP: 002b:00007ffe62e5e408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.647659] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc142cb98f3 [ 58.655626] RDX: 000000000000000c RSI: 00007fc142bac000 RDI: 0000000000000001 [ 58.663593] RBP: 00007fc142bac000 R08: 00007fc142bab010 R09: 0000000000000000 [ 58.671560] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.679529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.687504] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw [ 58.713962] CR2: 0000000000000000 [ 58.723870] ---[ end trace a1885553bf58b799 ]--- [ 58.729025] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.733400] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 58.754377] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 58.760209] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.768176] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 58.776144] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 58.784110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.792078] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 58.800045] FS: 00007fc142da3580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 58.809081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.815494] CR2: 0000000000000000 CR3: 00000001013e0006 CR4: 00000000003706e0 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.422144] lkdtm: Performing direct entry EXEC_STACK # [ 54.428756] lkdtm: attempting ok execution at ffffffffaaadf800 # [ 54.441493] lkdtm: attempting bad execution at ffffbf324239fe18 # [ 54.454320] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.468851] BUG: unable to handle page fault for address: ffffbf324239fe18 # [ 54.476530] #PF: supervisor instruction fetch in kernel mode # [ 54.482840] #PF: error_code(0x0011) - permissions violation # [ 54.489060] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1054b0067 PTE 800000010309e063 # [ 54.498106] Oops: 0011 [#6] SMP PTI # [ 54.501996] CPU: 0 PID: 1670 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 54.510644] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.517446] RIP: 0010:0xffffbf324239fe18 # [ 54.521822] Code: 00 00 18 fe 39 42 32 bf ff ff ff d5 16 ab ff ff ff ff 20 00 00 00 00 00 00 00 ce be b8 ab ff ff ff ff 2e d7 16 ab ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f [ 58.930833] lkdtm: Performing direct entry WRITE_RO [ 58.940834] lkdtm: attempting bad rodata write at ffffffffab79c1f0 [ 58.947755] BUG: unable to handle page fault for address: ffffffffab79c1f0 [ 58.955441] #PF: supervisor write access in kernel mode [ 58.961276] #PF: error_code(0x0003) - permissions violation 1f 44 00 00 55 # [ 54.542802] RSP: 0018:ffffbf324239fdf8 EFLA[ 58.967488] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 80000001088000e1 [ 58.981481] Oops: 0003 [#14] SMP PTI [ 58.985472] CPU: 2 PID: 1955 Comm: cat Tainted: G D W 5.10.153-cip19 #1 GS: 00010246 # [ 54.548635] RAX: 0000000000000033 RBX: 000000[ 58.994125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.007143] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 59.012102] Code: 00 48 c7 c7 18 cd b8 ab 48 c7 c6 f0 c1 79 ab e8 8c 9b fd ff 48 8b 05 c1 eb 62 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ab 48 31 d0 <48> 89 05 ab eb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da bc [ 59.033072] RSP: 0018:ffffbf324283fe60 EFLAGS: 00010202 [ 59.038905] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.046871] RDX: 00000000abcd1234 RSI: ffff9f67fad1bf70 RDI: ffffffffabb8cd48 [ 59.054841] RBP: ffffffffabb8bf35 R08: 0000000000000000 R09: 0000000000000000 [ 59.062810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.070778] R13: ffffbf324283ff10 R14: ffffbf324283ff10 R15: ffff9f6783c35000 [ 59.078748] FS: 00007f3acb23f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 59.087786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.094192] CR2: ffffffffab79c1f0 CR3: 0000000104eb6006 CR4: 00000000003706e0 [ 59.102159] Call Trace: [ 59.104886] direct_entry.cold+0x2c/0x38 [ 59.109265] full_proxy_write+0x53/0x80 [ 59.113546] vfs_write+0xe7/0x3a0 [ 59.117245] ksys_write+0x68/0xf0 [ 59.120944] do_syscall_64+0x30/0x40 [ 59.124932] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.130561] RIP: 0033:0x7f3acb1558f3 [ 59.134550] 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 [ 59.155523] RSP: 002b:00007ffce8399a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.163969] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3acb1558f3 [ 59.171937] RDX: 0000000000000009 RSI: 00007f3acb048000 RDI: 0000000000000001 [ 59.179906] RBP: 00007f3acb048000 R08: 00007f3acb047010 R09: 0000000000000000 [ 59.187874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.195841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.203812] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000001 RCX: 0000000000000000 # [ 54.556605] RDX: 00000000[ 59.230272] CR2: ffffffffab79c1f0 [ 59.240181] ---[ end trace a1885553bf58b79a ]--- [ 59.245335] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.249703] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 59.270681] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 59.276512] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.284480] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 59.292448] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 59.300415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.308384] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 59.316372] FS: 00007f3acb23f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 59.325398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.331812] CR2: ffffffffab79c1f0 CR3: 0000000104eb6006 CR4: 00000000003706e0 [ 59.339781] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.349710] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1955, name: cat [ 59.358167] INFO: lockdep is turned off. [ 59.362542] irq event stamp: 0 [ 59.365948] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.372936] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.382067] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.391201] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.398199] CPU: 2 PID: 1955 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 59.406847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.413650] Call Trace: [ 59.416376] dump_stack+0x77/0x9b [ 59.420064] ___might_sleep.cold+0xa6/0xb6 [ 59.424636] exit_signals+0x1c/0x2e0 [ 59.428624] do_exit+0xd5/0xb00 [ 59.432118] ? ksys_write+0x68/0xf0 [ 59.436001] rewind_stack_do_exit+0x17/0x20 [ 59.440668] RIP: 0033:0x7f3acb1558f3 [ 59.444656] 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 [ 59.465627] RSP: 002b:00007ffce8399a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.474082] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f3acb1558f3 [ 59.482052] RDX: 0000000000000009 RSI: 00007f3acb048000 RDI: 0000000000000001 [ 59.490020] RBP: 00007f3acb048000 R08: 00007f3acb047010 R09: 0000000000000000 [ 59.497989] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.505958] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 # [ 54.564572] RBP: ffffbf324239fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.572541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.580509] R13: ffffbf324239ff10 R14: ffffbf324239ff10 R15: ffff9f6783216000 # [ 54.588478] FS: 00007f686cb7b580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 54.597515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.603931] CR2: ffffbf324239fe18 CR3: 0000000105564003 CR4: 00000000003706f0 # [ 54.611901] Call Trace: # [ 54.614628] ? execute_location+0x45/0x56 # [ 54.619109] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.623584] ? direct_entry.cold+0x2c/0x38 # [ 54.628157] ? full_proxy_write+0x53/0x80 # [ 54.632635] ? vfs_write+0xe7/0x3a0 # [ 54.636526] ? ksys_write+0x68/0xf0 # [ 54.640418] ? do_syscall_64+0x30/0x40 # [ 54.644591] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.650428] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.676865] CR2: ffffbf324239fe18 # [ 54.680552] ---[ end trace a1885553bf58b792 ]--- # [ 54.685708] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.690083] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 54.711066] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 54.716901] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.724870] RDX: 0000000000000000 RSI: f[ 59.682838] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 59.694510] lkdtm: attempting bad ro_after_init write at ffffffffabc09330 [ 59.702149] BUG: unable to handle page fault for address: ffffffffabc09330 fff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 54.732838] RBP: fff[ 59.709837] #PF: supervisor write access in kernel mode [ 59.721882] #PF: error_code(0x0003) - permissions violation [ 59.728104] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 104c59063 PTE 8000000108e09061 [ 59.737145] Oops: 0003 [#15] SMP PTI [ 59.741135] CPU: 2 PID: 1990 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 59.749786] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.756585] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.762613] Code: cd b8 ab e9 3e 9b fd ff 48 c7 c7 a0 cd b8 ab e8 32 9b fd ff 48 8b 05 a7 bc a9 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ab 48 31 d0 <48> 89 05 91 bc a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.783594] RSP: 0018:ffffbf32428afe60 EFLAGS: 00010202 [ 59.789427] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.797395] RDX: 00000000abcd1234 RSI: ffff9f67fad1bf70 RDI: ffffffffabb8cd48 [ 59.805370] RBP: ffffffffabb8bf3e R08: 0000000000000000 R09: 0000000000000000 [ 59.813337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.821317] R13: ffffbf32428aff10 R14: ffffbf32428aff10 R15: ffff9f67832d2000 [ 59.829278] FS: 00007f8f5242f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 59.838318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.844731] CR2: ffffffffabc09330 CR3: 00000001056c0003 CR4: 00000000003706e0 [ 59.852699] Call Trace: [ 59.855426] direct_entry.cold+0x2c/0x38 [ 59.859806] full_proxy_write+0x53/0x80 [ 59.864087] vfs_write+0xe7/0x3a0 [ 59.867786] ksys_write+0x68/0xf0 [ 59.871484] do_syscall_64+0x30/0x40 [ 59.875474] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.881113] RIP: 0033:0x7f8f523458f3 [ 59.885099] 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 [ 59.906082] RSP: 002b:00007ffd2fd7cf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.914538] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8f523458f3 [ 59.922507] RDX: 0000000000000014 RSI: 00007f8f52238000 RDI: 0000000000000001 [ 59.930476] RBP: 00007f8f52238000 R08: 00007f8f52237010 R09: 0000000000000000 [ 59.938445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.946415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.954388] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ [ 59.980850] CR2: ffffffffabc09330 [ 59.990759] ---[ end trace a1885553bf58b79b ]--- [ 59.995914] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.000290] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 60.021320] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 60.027154] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.035123] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 60.043094] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 60.051065] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.059034] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 60.067002] FS: 00007f8f5242f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 60.076040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.082455] CR2: ffffffffabc09330 CR3: 00000001056c0003 CR4: 00000000003706e0 54.740806] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.748775] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 54.756744] FS: 00007f686cb7b580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 54.765780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.772196] CR2: ffffbf324239fe18 CR3: 0000000105564003 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.925339] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.935259] lkdtm: attempting ok execution at ffffffffaaadf800 # [ 54.941814] lkdtm: attempting bad execution at ffff9f6783374a80 # [ 54.948463] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.956834] BUG: unable to handle page fault for address: ffff9f6783374a80 # [ 54.964513] #PF: supervisor instruction fetch in kernel mode # [ 54.977043] #PF: error_code(0x0011) - permissions violation # [ 54.983264] PGD 10a801067 P4D 10a801067 PUD 100216063 PMD 1055fe063 PTE 8000000103374063 # [ 54.998521] Oops: 0011 [#7] SMP PTI # [ 55.002412] CPU: 3 PID: 1706 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 55.011060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.017865] RIP: 0010:0xffff9f6783374a80 # [ 55.022241] Code: ad de 00 e0 3f 81 67 9f ff ff 80 4c 37 83 67 9f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f>[ 60.234185] lkdtm: Performing direct entry WRITE_KERN 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 60.245305] lkdtm: attempting bad 6872489 byte write at ffffffffab16d5a9 # [ 55.043223] RSP: 0018:ffffbf324235fe38 EFLAGS: 00010246 #[ 60.259000] BUG: unable to handle page fault for address: ffffffffab16d5a9 [ 60.272881] #PF: supervisor write access in kernel mode [ 60.278706] #PF: error_code(0x0003) - permissions violation [ 60.284929] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 1082000e1 [ 55.049056] RAX: 0000000000000033 RBX: 0000000000000001 RCX:[ 60.292031] Oops: 0003 [#16] SMP PTI [ 60.302233] CPU: 1 PID: 2025 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 60.310884] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.317691] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 0000000000000000 # [ 55.057025] RDX: 0000000000000000 RSI: f[ 60.322846] Code: 53 48 c7 c3 a9 d5 16 ab 49 89 dc 48 89 da 49 81 ec 00 f8 ad aa 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 ad aa a4 48 c7 c7 48 cd b8 ab e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 60.350043] RSP: 0018:ffffbf3242957e50 EFLAGS: 00010246 [ 60.355876] RAX: 000000000000003c RBX: ffffffffab16d5a9 RCX: 000000000068dda9 [ 60.363846] RDX: 0000000000000000 RSI: ffffffffaaadf800 RDI: ffffffffab16d5a9 [ 60.371815] RBP: ffffffffabb8bf52 R08: 0000000000000000 R09: 0000000000000000 [ 60.379784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068dda9 [ 60.387754] R13: ffffbf3242957f10 R14: ffffbf3242957f10 R15: ffff9f6784bfe000 [ 60.395725] FS: 00007f53a49a9580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 60.404754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.411171] CR2: ffffffffab16d5a9 CR3: 0000000103ac4002 CR4: 00000000003706e0 [ 60.419140] Call Trace: [ 60.421869] direct_entry.cold+0x2c/0x38 fff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 55.064994] RBP: fff[ 60.426248] full_proxy_write+0x53/0x80 [ 60.436743] vfs_write+0xe7/0x3a0 f9f6783374a80 R08: 0000000000000000 R09: 0000000000000000 # [ [ 60.440442] ksys_write+0x68/0xf0 [ 60.450366] do_syscall_64+0x30/0x40 55.072962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 60.454369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.466221] RIP: 0033:0x7f53a48bf8f3 [ 60.470209] 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 [ 60.491182] RSP: 002b:00007ffcefd26d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.499628] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f53a48bf8f3 [ 60.507597] RDX: 000000000000000b RSI: 00007f53a47b2000 RDI: 0000000000000001 [ 60.515567] RBP: 00007f53a47b2000 R08: 00007f53a47b1010 R09: 0000000000000000 [ 60.523536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.531505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000d # [ 55.080929] R13: ffffbf324235ff10 R14: ffffb[ 60.539479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.572119] CR2: ffffffffab16d5a9 [ 60.575816] ---[ end trace a1885553bf58b79c ]--- [ 60.580970] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.585363] Code: 89 ff e8 be ae 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 e0 f0 93 02 [ 60.606365] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 [ 60.612197] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.620165] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 [ 60.628135] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 [ 60.636103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.644072] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 [ 60.652042] FS: 00007f53a49a9580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 60.661070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.667484] CR2: ffffffffab16d5a9 CR3: 0000000103ac4002 CR4: 00000000003706e0 [ 60.675454] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.685369] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2025, name: cat [ 60.693823] INFO: lockdep is turned off. [ 60.698197] irq event stamp: 0 [ 60.701603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.708602] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.717738] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.726872] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.733872] CPU: 1 PID: 2025 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 60.742520] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.749324] Call Trace: [ 60.752050] dump_stack+0x77/0x9b f324235ff10 R15: ffff9f678338f000 # [ 55.088897] FS: 00007f2[ 60.755750] ___might_sleep.cold+0xa6/0xb6 [ 60.766536] exit_signals+0x1c/0x2e0 5bcce1580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000[ 60.770527] do_exit+0xd5/0xb00 [ 60.780243] ? ksys_write+0x68/0xf0 [ 60.784126] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 55.097926] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 60.789572] rewind_stack_do_exit+0x17/0x20 [ 60.800452] RIP: 0033:0x7f53a48bf8f3 [ 60.804442] 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 0033 # [ 55.104331] CR2: ffff9f6783374a80 CR3: 00000001031700[ 60.825426] RSP: 002b:00007ffcefd26d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.840095] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f53a48bf8f3 [ 60.848065] RDX: 000000000000000b RSI: 00007f53a47b2000 RDI: 0000000000000001 06 CR4: 00000000003706e0 # [ 55.112322] Call Trace: # [ 55[ 60.856035] RBP: 00007f53a47b2000 R08: 00007f53a47b1010 R09: 0000000000000000 [ 60.870218] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.878190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .115051] ? execute_location+0x45/0x56 # [ 55.119525] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.124192] ? direct_entry.cold+0x2c/0x38 # [ 55.128763] ? full_proxy_write+0x53/0x80 # [ 55.133238] ? vfs_write+0xe7/0x3a0 # [ 55.137130] ? ksys_write+0x68/0xf0 # [ 55.141022] ? do_syscall_64+0x30/0x40 # [ 55.145205] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.151041] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.177499] CR2: ffff9f6783374a80 # [ 55.187408] ---[ end trace a1885553bf58b793 ]--- # [ 55.192561] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.196937] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 55.217915] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 55.223746] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.231715] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 55.239683] RBP: ffffffffabbe73a8[ 61.005954] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 61.017194] lkdtm: attempting good refcount_inc() without overflow [ 61.024123] lkdtm: attempting bad refcount_inc() overflow [ 61.030156] ------------[ cut here ]------------ [ 61.035318] refcount_t: saturated; leaking memory. [ 61.040695] WARNING: CPU: 2 PID: 2060 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 R08: 0000000000000001 R09: 0000000000000001 # [ 55.247652] R[ 61.050133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.082772] CPU: 2 PID: 2060 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 61.091448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.098257] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.104094] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 [ 61.125083] RSP: 0018:ffffbf32429f7e48 EFLAGS: 00010286 [ 61.130920] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 61.138895] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004[ 61.146870] RBP: ffffffffabb8bf5d R08: 0000000000000000 R09: 0000000000000000 # [ 55.255612] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R[ 61.161058] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 15: ffff9f6785c13000 # [ 55.263582] FS: 00007f25bcce1580(000[ 61.175249] R13: ffffbf32429f7f10 R14: ffffbf32429f7f10 R15: ffff9f67854a0000 0) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 55.27[ 61.189440] FS: 00007f60af8ff580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 61.204695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.211115] CR2: 00007f60af708000 CR3: 0000000105414005 CR4: 00000000003706e0 [ 61.219088] Call Trace: [ 61.221819] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 61.227203] direct_entry.cold+0x2c/0x38 [ 61.231607] full_proxy_write+0x53/0x80 2618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 61.235898] vfs_write+0xe7/0x3a0 [ 61.245801] ksys_write+0x68/0xf0 [ 61.249503] do_syscall_64+0x30/0x40 [ 61.253496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.259138] RIP: 0033:0x7f60af8158f3 [ 61.263129] 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 [ 61.284117] RSP: 002b:00007ffe859dfa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.292578] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f60af8158f3 [ 61.300551] RDX: 0000000000000016 RSI: 00007f60af708000 RDI: 0000000000000001 [ 61.308524] RBP: 00007f60af708000 R08: 00007f60af707010 R09: 0000000000000000 [ 61.316497] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.324470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.332448] irq event stamp: 0 5.279033] CR2: ffff9f6783374a80 CR3: 0000000103170006 CR4: 00000[ 61.335882] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.349096] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.358236] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.367374] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.374375] ---[ end trace a1885553bf58b79d ]--- [ 61.379532] lkdtm: Overflow detected: saturated 000003706e0 # [ 55.287002] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.296912] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1706, name: cat # [ 55.305369] INFO: lockdep is turned off. # [ 55.309744] irq event stamp: 0 # [ 55.313150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.320141] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 55.329274] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 55.338407] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.345403] CPU: 3 PID: 1706 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 55.354052] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.360855] Call Trace: # [ 55.363582] dump_stack+0x77/0x9b # [ 55.367279] ___might_sleep.cold+0xa6/0xb6 # [ 55.371842] exit_signals+0x1c/0x2e0 # [ 55.375831] do_exit+0xd5/0xb00 # [ 55.379333] ? ksys_write+[ 61.481216] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.490778] lkdtm: attempting good refcount_add() without overflow [ 61.497690] lkdtm: attempting bad refcount_add() overflow 0x68/0xf0 # [ 55.383218] rewind_stack_do_exit+0x17/0x20 # [[ 61.503723] ------------[ cut here ]------------ 55.387884] RIP: 0033:0x7f25bcbf78f3 # [ 55.391871] Code: 8[ 61.515096] refcount_t: saturated; leaking memory. [ 61.526695] WARNING: CPU: 3 PID: 2092 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 61.536130] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.568767] CPU: 3 PID: 2092 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 61.577444] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.584254] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.590092] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 [ 61.611082] RSP: 0018:ffffbf3242a87e48 EFLAGS: 00010286 [ 61.616918] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.624890] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 61.632865] RBP: ffffffffabb8bf73 R08: 0000000000000000 R09: 0000000000000000 [ 61.640840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.648814] R13: ffffbf3242a87f10 R14: ffffbf3242a87f10 R15: ffff9f6785789000 [ 61.656787] FS: 00007f91a1fe1580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 61.665827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.672245] CR2: 00007f91a1dea000 CR3: 0000000102762006 CR4: 00000000003706e0 [ 61.680217] Call Trace: [ 61.682948] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 61.688325] direct_entry.cold+0x2c/0x38 [ 61.698921] full_proxy_write+0x53/0x80 [ 61.703237] vfs_write+0xe7/0x3a0 [ 61.706962] ksys_write+0x68/0xf0 [ 61.710664] do_syscall_64+0x30/0x40 [ 61.714657] entry_SYSCALL_64_after_hwframe+0x61/0xc6 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 61.720323] RIP: 0033:0x7f91a1ef78f3 [ 61.730521] 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 [ 61.751510] RSP: 002b:00007ffde3a600e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.759968] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f91a1ef78f3 [ 61.767942] RDX: 0000000000000016 RSI: 00007f91a1dea000 RDI: 0000000000000001 [ 61.775915] RBP: 00007f91a1dea000 R08: 00007f91a1de9010 R09: 0000000000000000 [ 61.783888] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.412848] RSP: 002b:00007ffc5f356e28 EFLAGS: 00000246 O[ 61.791860] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RIG_RAX: 0000000000000001 # [ 55.421318] RAX: ffffffffffffffd[ 61.806053] irq event stamp: 0 [ 61.815671] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.822674] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.831814] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.840951] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.847953] ---[ end trace a1885553bf58b79e ]--- [ 61.853108] lkdtm: Overflow detected: saturated a RBX: 000000000000000d RCX: 00007f25bcbf78f3 # [ 55.429284] RDX: 000000000000000d RSI: 00007f25bcaea000 RDI: 0000000000000001 # [ 55.437249] RBP: 00007f25bcaea000 R08: 00007f25bcae9010 R09: 0000000000000000 # [ 55.445217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.453183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.569737] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.578927] lkdtm: attempting ok execution at ffffffffaaadf800 # [ 55.585467] lkdtm: attempting bad execution at ffffbf3240379000 # [ 55.592110] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.600479] BUG: unable to handle page fault for address: ffffbf3240379000 # [ 55.608158] #PF: supervisor instruction fetch in kernel mode # [ 55.620686] #PF: error_code(0x0011) - permissions violation # [ 55.626906] PGD 100000067 P4D 100000067 PUD 100211067 PMD 100991067 PT[ 61.959369] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 61.971459] lkdtm: attempting bad refcount_inc_not_zero() overflow E 8000000104ca4063 # [ 55.642162] Oops: 0011 [#8] SMP PTI # [ 61.978391] ------------[ cut here ]------------ [ 61.989759] refcount_t: saturated; leaking memory. [ 61.995128] WARNING: CPU: 2 PID: 2124 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 62.004564] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.031012] CPU: 2 PID: 2124 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 62.039664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.046473] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.052325] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 [ 55.646054] CPU: 3 PID: 1742 Comm: cat Tainted: G D W [ 62.073317] RSP: 0018:ffffbf3242abfe38 EFLAGS: 00010282 5.10.153-cip19 #1 # [ 55.654702] Hardware name: Google [ 62.085368] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.099555] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 [ 62.107558] RBP: ffffffffabb8bbb0 R08: 0000000000000000 R09: 0000000000000000 [ 62.115530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.123502] R13: ffffbf3242abff10 R14: ffffbf3242abff10 R15: ffff9f6783c0c000 [ 62.131475] FS: 00007f44ba2f6580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 62.140539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Rammus/Rammus, BIOS 09/04/2020 # [ 55.661507] RIP: 0010:0xff[ 62.146971] CR2: 00007f44ba0ff000 CR3: 0000000103aa4006 CR4: 00000000003706e0 [ 62.161150] Call Trace: [ 62.163882] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 62.170042] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.176291] direct_entry.cold+0x2c/0x38 [ 62.180688] full_proxy_write+0x53/0x80 [ 62.184973] vfs_write+0xe7/0x3a0 [ 62.188674] ksys_write+0x68/0xf0 [ 62.192376] do_syscall_64+0x30/0x40 [ 62.196369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.202012] RIP: 0033:0x7f44ba20c8f3 [ 62.206002] 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 [ 62.226990] RSP: 002b:00007ffef3e0bb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.235449] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f44ba20c8f3 [ 62.243421] RDX: 000000000000001f RSI: 00007f44ba0ff000 RDI: 0000000000000001 [ 62.251394] RBP: 00007f44ba0ff000 R08: 00007f44ba0fe010 R09: 0000000000000000 [ 62.259374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.267360] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.275386] irq event stamp: 0 [ 62.278800] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.285804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.294943] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.304081] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.311083] ---[ end trace a1885553bf58b79f ]--- [ 62.316239] lkdtm: Overflow detected: saturated ffbf3240379000 # [ 55.665884] Code: Unable to access opcode bytes at RIP 0xffffbf3240378fd6. # [ 55.673560] RSP: 0018:ffffbf3242497e38 EFLAGS: 00010246 # [ 55.679391] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.687372] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 55.695378] RBP: ffffbf3240379000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.703345] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.711320] R13: ffffbf3242497f10 R14: ffffbf3242497f10 R15: ffff9f6784ca4000 # [ 55.719287] FS: 00007fb1397e4580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 55.728324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.734737] CR2: ffffbf3240378fd6 CR3: 0000000103cf8006 CR4: 00000000003706e0 # [ 55.742706] Call Trace: # [ 55.745435] ? execute_location+0x45/0x56 # [ 55.749909] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.754575] ? direct_entry.cold+0x2c/0x38 # [ 55.759146] ? full_proxy_write+0x53/0x80 # [ 55.763620] ? vfs_write+0xe7/0x3a0 # [ 55.767510] ? ksys_write+0x68/0xf0 # [ 55.771401] ? do_syscall_64+0x30/0x40 # [ 55.775574] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.781410] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 62.451579] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW riggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_[ 62.459452] lkdtm: attempting bad refcount_add_not_zero() overflow chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_[ 62.472573] ------------[ cut here ]------------ [ 62.483939] refcount_t: saturated; leaking memory. temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.807869] CR2[ 62.489324] WARNING: CPU: 1 PID: 2156 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : ffffbf3240379000 # [ 55.817776] ---[ end trace a1885553bf58[ 62.504935] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b794 ]--- # [ 55.822929] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 62.537582] CPU: 1 PID: 2156 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 62.552451] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 55.827320] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de[ 62.559263] RIP: 0010:refcount_warn_saturate+0x97/0x110 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 [ 62.571322] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 62.598530] RSP: 0018:ffffbf3242b57e38 EFLAGS: 00010282 [ 62.610581] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 83 05 e0 f0 93 02 # [ 55.848320] RSP: 0018:ffffbf3241507e60 [ 62.618555] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 [ 62.632738] RBP: ffffffffabb8bbd0 R08: 0000000000000000 R09: 0000000000000000 EFLAGS: 00010286 # [ 55.854152] RAX: ffffffffaaadf430 RBX: 00[ 62.640713] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.654897] R13: ffffbf3242b57f10 R14: ffffbf3242b57f10 R15: ffff9f6783a5e000 00000000000001 RCX: 0000000000000000 # [ 55.862120] RDX: 0000[ 62.662873] FS: 00007f46fcb19580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 62.678127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ [ 62.684548] CR2: 00007f46fc922000 CR3: 00000001055b4002 CR4: 00000000003706e0 [ 62.698730] Call Trace: 55.870089] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000[ 62.701464] __refcount_add_not_zero.constprop.0+0x2a/0x35 000000000001 # [ 55.878057] R10: 00000000ffffe000 R11: 3fffff[ 62.713802] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ffffffffff R12: 0000000000000004 # [ 55.886025] R13: ffffbf32[ 62.726241] direct_entry.cold+0x2c/0x38 41507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 55.8[ 62.736844] full_proxy_write+0x53/0x80 93993] FS: 00007fb1397e4580(0000) GS:ffff9f67fad80000(0000) knl[ 62.747363] vfs_write+0xe7/0x3a0 GS:0000000000000000 # [ 55.903029] CS: 0010 DS: 0000 ES: 000[ 62.757261] ksys_write+0x68/0xf0 0 CR0: 0000000080050033 # [ 55.909443] CR2: ffffbf3240378fd6 [ 62.767176] do_syscall_64+0x30/0x40 CR3: 0000000103cf8006 CR4: 00000000003706e0 # EXEC_VMALLOC: saw[ 62.777385] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.789244] RIP: 0033:0x7f46fca2f8f3 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # s[ 62.793260] 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 elftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.009724] lkdt[ 62.820459] RSP: 002b:00007fffd5f2dcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.835114] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f46fca2f8f3 m: Performing direct entry EXEC_RODATA # [ 56.016428] lkdtm: [ 62.843088] RDX: 000000000000001f RSI: 00007f46fc922000 RDI: 0000000000000001 [ 62.857273] RBP: 00007f46fc922000 R08: 00007f46fc921010 R09: 0000000000000000 attempting ok execution at ffffffffaaadf800 # [ 56.022957] lk[ 62.865249] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.879431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dtm: attempting bad execution at ffffffffab79c200 # [ 56.0295[ 62.887411] irq event stamp: 0 [ 62.897026] hardirqs last enabled at (0): [<0000000000000000>] 0x0 81] kernel tried to execute NX-protected page - exploit attempt?[ 62.904031] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.919381] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 (uid: 0) # [ 56.037944] BUG: unable to handle page fault for[ 62.928521] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.941734] ---[ end trace a1885553bf58b7a0 ]--- address: ffffffffab79c200 # [ 56.045613] #PF: supervisor ins[ 62.946892] lkdtm: Overflow detected: saturated truction fetch in kernel mode # [ 56.051923] #PF: error_code(0x0011) - permissions violation # [ 56.058135] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 80000001088000e1 # [ 56.065917] Oops: 0011 [#9] SMP PTI # [ 56.076020] CPU: 3 PID: 1778 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.084668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.091474] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.097209] Code: ff ff 9e eb 16 ab ff ff ff ff 1a c1 b8 ab ff ff ff ff e4 d2 16 ab 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 # [ 56.118187] RSP: 0018:ffffbf324253fe48 EFLAGS: 00010246 # [ 56.124020] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.131988] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 56.139956] RBP: ffffffffab79c200 R08: 0000000000000000 R09: 0000000000000000 # [ 56.147923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.155890] R13: ffffb[ 63.061277] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.070152] lkdtm: attempting good refcount_dec() [ 63.075440] lkdtm: attempting bad refcount_dec() to zero f324253ff10 R14: ffffbf324253ff10 R15: ffff9f678338a000 # [ 5[ 63.081408] ------------[ cut here ]------------ 6.163860] FS: 00007f9f4fa98580(0000) GS:ffff9f67fad80000(0000) [ 63.092778] refcount_t: decrement hit 0; leaking memory. [ 63.104956] WARNING: CPU: 3 PID: 2188 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 knlGS:0000000000000000 # [ 56.172886] CS: 0010 DS: 0000 ES: [ 63.114392] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.147040] CPU: 3 PID: 2188 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 63.155719] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.162553] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.168390] Code: 50 79 b2 ab c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 b2 ab c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.189379] RSP: 0018:ffffbf3242b9fe48 EFLAGS: 00010286 [ 63.195217] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.203191] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 63.211167] RBP: ffffffffabb8bf89 R08: 0000000000000000 R09: 0000000000000000 [ 63.219140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.227115] R13: ffffbf3242b9ff10 R14: ffffbf3242b9ff10 R15: ffff9f678321f000 [ 63.235090] FS: 00007f460a2c0580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 63.244133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.250552] CR2: 00007f460a0c9000 CR3: 0000000103ce0001 CR4: 00000000003706e0 [ 63.258527] Call Trace: [ 63.261259] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.266253] direct_entry.cold+0x2c/0x38 [ 63.270660] full_proxy_write+0x53/0x80 [ 63.274946] vfs_write+0xe7/0x3a0 [ 63.278672] ksys_write+0x68/0xf0 [ 63.282379] do_syscall_64+0x30/0x40 [ 63.286375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.292019] RIP: 0033:0x7f460a1d68f3 [ 63.296010] 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 [ 63.317001] RSP: 002b:00007ffebe2c7788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000 CR0: 0000000080050033 # [ 56.179316] CR2: ffffffffab79c2[ 63.325461] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f460a1d68f3 [ 63.339650] RDX: 0000000000000012 RSI: 00007f460a0c9000 RDI: 0000000000000001 00 CR3: 0000000103a30001 CR4: 00000000003706e0 # [ 56.187295][ 63.347625] RBP: 00007f460a0c9000 R08: 00007f460a0c8010 R09: 0000000000000000 [ 63.361809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.369783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Call Trace: # [ 56.196236] ? execute_location+0x45/0x56 # [ 63.377764] irq event stamp: 0 [ 63.387380] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.394384] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.403524] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.412662] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.419663] ---[ end trace a1885553bf58b7a1 ]--- [ 63.424820] lkdtm: Zero detected: saturated [ 56.200709] ? direct_entry.cold+0x2c/0x38 # [ 56.205282] ? full_proxy_write+0x53/0x80 # [ 56.209757] ? vfs_write+0xe7/0x3a0 # [ 56.213647] ? ksys_write+0x68/0xf0 # [ 56.217538] ? do_syscall_64+0x30/0x40 # [ 56.221712] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.227547] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.254004] CR2: ffffffffab79c200 # [ 56.263913] ---[ end trace a1885553bf58b795 ]--- # [ 56.269067] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.273443] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 56.294422] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 56.300254] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.308221] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 63.535447] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 63.548138] lkdtm: attempting bad refcount_dec() below zero [ 63.554381] ------------[ cut here ]------------ [ 63.559575] refcount_t: decrement hit 0; leaking memory. [ 63.565569] WARNING: CPU: 3 PID: 2223 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 56.316188] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: [ 63.575007] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.607646] CPU: 3 PID: 2223 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 63.616325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000001 # [ 56.324155] R10: 00000000ffffe000 R11: 3f[ 63.623145] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ffffffffffffff R12: 0000000000000004 # [ 56.332121] R13: ffff[ 63.635193] Code: 50 79 b2 ab c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 b2 ab c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.662393] RSP: 0018:ffffbf3242c47e48 EFLAGS: 00010286 bf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ [ 63.668257] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 63.682444] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 63.690440] RBP: ffffffffabb8bf9b R08: 0000000000000000 R09: 0000000000000000 56.340089] FS: 00007f9f4fa98580(0000) GS:ffff9f67fad80000(0000)[ 63.698426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 63.712607] R13: ffffbf3242c47f10 R14: ffffbf3242c47f10 R15: ffff9f67855b5000 [ 63.720580] FS: 00007f68ec870580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 63.729622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.736041] CR2: 00007f68ec679000 CR3: 00000001027ea006 CR4: 00000000003706e0 [ 63.744013] Call Trace: [ 63.746745] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 63.752123] direct_entry.cold+0x2c/0x38 [ 63.756529] full_proxy_write+0x53/0x80 [ 63.760814] vfs_write+0xe7/0x3a0 [ 63.764540] ksys_write+0x68/0xf0 [ 63.768240] do_syscall_64+0x30/0x40 [ 63.772233] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.777877] RIP: 0033:0x7f68ec7868f3 [ 63.781868] 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 [ 63.802857] RSP: 002b:00007ffe2f65cb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 knlGS:0000000000000000 # [ 56.349125] CS: 0010 DS: 0000 ES:[ 63.811322] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f68ec7868f3 [ 63.825510] RDX: 0000000000000016 RSI: 00007f68ec679000 RDI: 0000000000000001 [ 63.833482] RBP: 00007f68ec679000 R08: 00007f68ec678010 R09: 0000000000000000 [ 63.841455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.849426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.857395] irq event stamp: 0 [ 63.860833] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.867836] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.876975] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.886112] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.893115] ---[ end trace a1885553bf58b7a2 ]--- [ 63.898271] lkdtm: Negative detected: saturated 0000 CR0: 0000000080050033 # [ 56.355540] CR2: ffffffffab79c200 CR3: 0000000103a30001 CR4: 00000000003706e0 # [ 56.363509] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.373411] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1778, name: cat # [ 56.381864] INFO: lockdep is turned off. # [ 56.386240] irq event stamp: 0 # [ 56.389636] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.396635] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.405771] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.414904] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.421902] CPU: 3 PID: 1778 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.430549] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.437371] Call Trace: # [ 56.440099] dump_stack+0x77/0x9b # [ 56.443797] ___might_sleep.cold+0xa6/0xb6 # [ 56.448369] exit_signals+0x1c/0x2e0 # [ 56.452366] do_exit+0xd5/0x[ 64.008930] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE b00 # [ 56.455868] ? ksys_write+0x68/0xf0 # [ 56.459753] [ 64.016686] lkdtm: attempting bad refcount_dec_and_test() below zero rewind_stack_do_exit+0x17/0x20 # [ 56.464420] RIP: 0033:0x7f[ 64.030010] ------------[ cut here ]------------ 9f4f9ae8f3 # [ 56.468408] Code: 8b 15 a1 25 0e 00 f7 d8 64 89[ 64.041385] refcount_t: underflow; use-after-free. 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 64.052946] WARNING: CPU: 0 PID: 2258 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 64.068633] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.489389] RSP: 002b[ 64.101245] CPU: 0 PID: 2258 Comm: cat Tainted: G D W 5.10.153-cip19 #1 :00007ffd68780718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 64.116191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.497834] RAX: ffffffffffffffda RBX: 000000000000000c RCX:[ 64.129242] RIP: 0010:refcount_warn_saturate+0xba/0x110 00007f9f4f9ae8f3 # [ 56.505801] RDX: 000000000000000c RSI: 0[ 64.141241] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 0007f9f4f8a1000 RDI: 0000000000000001 # [ 56.513770] RBP: 000[ 64.168432] RSP: 0018:ffffbf3242c0fe40 EFLAGS: 00010286 07f9f4f8a1000 R08: 00007f9f4f8a0010 R09: 0000000000000000 # [ [ 64.180505] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 56.521738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 64.194709] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 0000000000001 # [ 56.529707] R13: 0000000000000001 R14: 00000[ 64.208879] RBP: ffffffffabb8bbf0 R08: 0000000000000000 R09: 0000000000000000 00000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trac[ 64.223066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f e:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lk[ 64.237268] R13: ffffbf3242c0ff10 R14: ffffbf3242c0ff10 R15: ffff9f6784ea7000 dtm: EXEC_USERSPACE.sh # Killed # [ 56.650659] lkdtm: Perfor[ 64.251456] FS: 00007f56157dc580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 ming direct entry EXEC_USERSPACE # [ 56.661865] lkdtm: attemp[ 64.266693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ting ok execution at ffffffffaaadf800 # [ 56.674591] lkdtm: a[ 64.279356] CR2: 00007f56155e5000 CR3: 0000000104fea003 CR4: 00000000003706f0 ttempting bad execution at 00007f25eafc8000 # [ 56.687437] un[ 64.293539] Call Trace: able to execute userspace code (SMEP?) (uid: 0) # [ 56.700025[ 64.302492] __refcount_sub_and_test.constprop.0+0x3c/0x50 ] BUG: unable to handle page fault for address: 00007f25eafc8000[ 64.314849] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 56.707703] #PF: supervisor instruction fetch in kernel m[ 64.327282] direct_entry.cold+0x2c/0x38 ode # [ 56.714020] #PF: error_code(0x0011) - permissions viol[ 64.337869] full_proxy_write+0x53/0x80 ation # [ 56.720240] PGD 80000001056b5067 P4D 80000001056b506[ 64.348376] vfs_write+0xe7/0x3a0 7 PUD 104ee7067 PMD 104e78067 PTE 1187d7067 # [ 56.729967] Oo[ 64.358291] ksys_write+0x68/0xf0 ps: 0011 [#10] SMP PTI # [ 56.733946] CPU: 0 PID: 1814 Comm: [ 64.368197] do_syscall_64+0x30/0x40 cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.7425[ 64.378390] entry_SYSCALL_64_after_hwframe+0x61/0xc6 94] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 64.390255] RIP: 0033:0x7f56156f28f3 56.749400] RIP: 0010:0x7f25eafc8000 # [ 56.753379] Code: Una[ 64.400476] 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 ble to access opcode bytes at RIP 0x7f25eafc7fd6. # [ 56.7606[ 64.427690] RSP: 002b:00007ffdb7af3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 69] RSP: 0018:ffffbf32425efe50 EFLAGS: 00010246 # [ 56.766502[ 64.442343] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f56156f28f3 ] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000[ 64.456563] RDX: 000000000000001f RSI: 00007f56155e5000 RDI: 0000000000000001 000 # [ 56.774472] RDX: 0000000000000000 RSI: ffff9f67fac1bf7[ 64.470773] RBP: 00007f56155e5000 R08: 00007f56155e4010 R09: 0000000000000000 0 RDI: ffff9f67fac1bf70 # [ 56.782441] RBP: 00007f25eafc8000 [ 64.484966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 # [ 56.790412] R1[ 64.499160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 64.513392] irq event stamp: 0 # [ 56.798382] R13: ffffbf32425eff10 R14: ffffbf32425eff10 R1[ 64.523003] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5: ffff9f67834ca000 # [ 56.806369] FS: 00007f25eaf99580(0000[ 64.536210] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 56.815[ 64.551631] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56[ 64.566951] softirqs last disabled at (0): [<0000000000000000>] 0x0 .821823] CR2: 00007f25eafc8000 CR3: 0000000105618003 CR4: 000000[ 64.580170] ---[ end trace a1885553bf58b7a3 ]--- 00003706f0 # [ 56.829792] Call Trace: # [ 56.832521] ? lk[ 64.591583] lkdtm: Negative detected: saturated dtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.837874] ? direct_entry.cold+0x2c/0x38 # [ 56.842439] ? full_proxy_write+0x53/0x80 # [ 56.846914] ? vfs_write+0xe7/0x3a0 # [ 56.850806] ? ksys_write+0x68/0xf0 # [ 56.854688] ? do_syscall_64+0x30/0x40 # [ 56.858863] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.864700] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.891139] CR2: 00007f25eafc8000 # [ 56.894835] ---[ end trace a1885553bf58b796 ]--- # [ 56.899989] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.904371] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 56.925349] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 56.931173] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.939142] RDX: 0000000000000000 RSI: ffff9[ 64.711211] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE f67fac1bf70 RDI: ffffffffab79bd70 # [ 56.947109] RBP: fffffff[ 64.722328] lkdtm: attempting bad refcount_sub_and_test() below zero fabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.[ 64.735647] ------------[ cut here ]------------ 955076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 64.747022] refcount_t: underflow; use-after-free. 000000004 # [ 56.963042] R13: ffffbf3241507f10 R14: ffffbf324[ 64.758600] WARNING: CPU: 1 PID: 2293 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 1507f10 R15: ffff9f6785c13000 # [ 56.971010] FS: 00007f25eaf[ 64.774234] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 99580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 64.806877] CPU: 1 PID: 2293 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.980045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 64.821754] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.986460] CR2: 00007f25eafc8000 CR3: 0000000105618003 C[ 64.834779] RIP: 0010:refcount_warn_saturate+0xba/0x110 R4: 00000000003706f0 # EXEC_USERSPACE: saw 'call trace:': ok o[ 64.846829] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 k 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EX[ 64.874036] RSP: 0018:ffffbf3242d37e40 EFLAGS: 00010286 EC_NULL.sh # Killed # [ 57.135177] lkdtm: Performing direct [ 64.886089] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 entry EXEC_NULL # [ 57.142936] lkdtm: attempting ok execution[ 64.900280] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 at ffffffffaaadf800 # [ 57.155689] lkdtm: attempting bad exe[ 64.914471] RBP: ffffffffabb8bc10 R08: 0000000000000000 R09: 0000000000000000 cution at 0000000000000000 # [ 57.168496] BUG: kernel NULL po[ 64.928662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f inter dereference, address: 0000000000000000 # [ 57.182485] #[ 64.942854] R13: ffffbf3242d37f10 R14: ffffbf3242d37f10 R15: ffff9f6783153000 PF: supervisor instruction fetch in kernel mode # [ 57.188805[ 64.957044] FS: 00007fa38d230580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 ] #PF: error_code(0x0010) - not-present page # [ 57.194534] P[ 64.972322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 GD 0 P4D 0 # [ 57.203574] Oops: 0010 [#11] SMP PTI # [ 57[ 64.984957] CR2: 00007fa38d039000 CR3: 0000000105c58005 CR4: 00000000003706e0 .207556] CPU: 1 PID: 1850 Comm: cat Tainted: G D W [ 64.999148] Call Trace: 5.10.153-cip19 #1 # [ 57.216206] Hardware name: Google Rammus[ 65.008097] __refcount_sub_and_test.constprop.0+0x3c/0x50 /Rammus, BIOS 09/04/2020 # [ 57.223010] RIP: 0010:0x0 # [ [ 65.020441] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 57.225924] Code: Unable to access opcode bytes at RIP 0xfffffff[ 65.032884] direct_entry.cold+0x2c/0x38 fffffffd6. # [ 57.233601] RSP: 0018:ffffbf3242667e48 EFLAGS: [ 65.043482] full_proxy_write+0x53/0x80 00010246 # [ 57.239435] RAX: 0000000000000033 RBX: 0000000000[ 65.053985] vfs_write+0xe7/0x3a0 000000 RCX: 0000000000000000 # [ 57.247405] RDX: 000000000000[ 65.063900] ksys_write+0x68/0xf0 0000 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 # [ 57.25537[ 65.073817] do_syscall_64+0x30/0x40 3] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000[ 65.084026] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000 # [ 57.263343] R10: 00000000ffffe000 R11: 3fffffffffffff[ 65.095887] RIP: 0033:0x7fa38d1468f3 ff R12: 000000000000000a # [ 57.271334] R13: ffffbf3242667f10[ 65.106095] 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 R14: ffffbf3242667f10 R15: ffff9f6784608000 # [ 57.285518] F[ 65.133322] RSP: 002b:00007fff2a3cc068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 S: 00007fe5bbba3580(0000) GS:ffff9f67fac80000(0000) knlGS:00000[ 65.147999] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa38d1468f3 00000000000 # [ 57.294554] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 65.162189] RDX: 000000000000001f RSI: 00007fa38d039000 RDI: 0000000000000001 000000080050033 # [ 57.300968] CR2: ffffffffffffffd6 CR3: 000[ 65.176380] RBP: 00007fa38d039000 R08: 00007fa38d038010 R09: 0000000000000000 0000104e54003 CR4: 00000000003706e0 # [ 57.308936] Call Trace[ 65.190571] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : # [ 57.311664] execute_location+0x45/0x56 # [ 57.315946[ 65.204764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] direct_entry.cold+0x2c/0x38 # [ 57.326534] full_proxy_wri[ 65.218960] irq event stamp: 0 te+0x53/0x80 # [ 57.330816] vfs_write+0xe7/0x3a0 # [ 57.3[ 65.228583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 40725] ksys_write+0x68/0xf0 # [ 57.344423] do_syscall_64+0x[ 65.241804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 30/0x40 # [ 57.348411] entry_SYSCALL_64_after_hwframe+0x61/0[ 65.257160] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 xc6 # [ 57.354049] RIP: 0033:0x7fe5bbab98f3 # [ 57.358038][ 65.272517] softirqs last disabled at (0): [<0000000000000000>] 0x0 Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 65.285739] ---[ end trace a1885553bf58b7a4 ]--- b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 65.297112] lkdtm: Negative detected: saturated f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.379019] RSP: 002b:00007ffdff3bfd18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.387473] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe5bbab98f3 # [ 57.395441] RDX: 000000000000000a RSI: 00007fe5bb9ac000 RDI: 0000000000000001 # [ 57.403410] RBP: 00007fe5bb9ac000 R08: 00007fe5bb9ab010 R09: 0000000000000000 # [ 57.411378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.419367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.427342] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.459971] CR2: 0000000000000000 # [ 57.463667] ---[ end trace a1885553bf58b797 ]--- # [ 57.468812] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.473187] Code: 89 ff e8 be ae 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>[ 65.418512] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.426676] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.433807] lkdtm: Good: zero detected [ 65.438010] lkdtm: Correctly stayed at zero [ 65.442696] lkdtm: attempting bad refcount_inc() from zero [ 65.448835] ------------[ cut here ]------------ [ 65.454000] refcount_t: addition on 0; use-after-free. [ 65.459757] WARNING: CPU: 2 PID: 2325 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 [ 65.469215] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.501853] CPU: 2 PID: 2325 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 65.510538] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.517351] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.523214] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ab c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 [ 65.544205] RSP: 0018:ffffbf3242dbfe48 EFLAGS: 00010286 [ 65.550047] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 65.558023] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 [ 65.565998] RBP: ffffffffabb8bfb1 R08: 0000000000000000 R09: 0000000000000000 [ 65.573972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.581946] R13: ffffbf3242dbff10 R14: ffffbf3242dbff10 R15: ffff9f6784d69000 [ 65.589922] FS: 00007fd24bd0a580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 65.598964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.605387] CR2: 00007fd24bb13000 CR3: 0000000105662004 CR4: 00000000003706e0 [ 65.613377] Call Trace: [ 65.616112] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 65.621108] direct_entry.cold+0x2c/0x38 [ 65.625523] full_proxy_write+0x53/0x80 [ 65.629841] vfs_write+0xe7/0x3a0 # [ 57.494167] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 #[ 65.633572] ksys_write+0x68/0xf0 [ 65.643481] do_syscall_64+0x30/0x40 [ 57.499991] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX:[ 65.647504] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.659353] RIP: 0033:0x7fd24bc208f3 [ 65.663383] 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 [ 65.684405] RSP: 002b:00007fff53a38168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000000 # [ 57.507958] RDX: 0000000000000000 RSI: f[ 65.692897] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd24bc208f3 fff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 57.515926] RBP: fff[ 65.707084] RDX: 0000000000000012 RSI: 00007fd24bb13000 RDI: 0000000000000001 [ 65.721273] RBP: 00007fd24bb13000 R08: 00007fd24bb12010 R09: 0000000000000000 [ 65.729245] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.737217] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.745195] irq event stamp: 0 fffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ [ 65.748628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.761863] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 57.523893] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 65.771015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.786378] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.793380] ---[ end trace a1885553bf58b7a5 ]--- [ 65.798535] lkdtm: Zero detected: saturated 0000000000004 # [ 57.531861] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 57.539831] FS: 00007fe5bbba3580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 57.548867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.555282] CR2: ffffffffffffffd6 CR3: 0000000104e54003 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.666838] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.675203] lkdtm: attempting bad read at 00007f5ccda76000 # [ 57.687545] BUG: unable to handle page fault for address: 00007f5ccda76000 # [ 57.701420] #PF: supervisor read access in kernel mode # [ 57.707158] #PF: error_code(0x0001) - permissions violation # [ 57.713394] PGD 80000001040ef067 P4D 80000001040ef067 PUD 10316d067 PMD 105c99067 PTE 111adc067 # [ 57.729331] Oops: 0001 [#12] SMP PTI # [ 57.733321] CPU: 1 PID: 1885 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 57.741968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.748773] RIP: 0010:lkdtm_A[ 65.909902] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO CCESS_USERSPACE.cold+0x41/0xa3 # [ 57.754996] Code: 00 00 00 [ 65.921443] lkdtm: attempting safe refcount_add_not_zero() from zero 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 ce b8 a[ 65.934759] lkdtm: Good: zero detected b e8 64 99 fd ff 48 c7 c7 60 ce b8 ab b8 de c0 de c0 <48> 03 45 [ 65.945158] lkdtm: Correctly stayed at zero 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 88 ce b8 # [ [ 65.956046] lkdtm: attempting bad refcount_add() from zero 57.782185] RSP: 0018:ffffbf324262fe48 EFLAGS: 00010246 # [ 57[ 65.968393] ------------[ cut here ]------------ .788016] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 000000[ 65.979768] refcount_t: addition on 0; use-after-free. 0000000000 # [ 57.795985] RDX: 0000000000000000 RSI: ffff9f67[ 65.991756] WARNING: CPU: 1 PID: 2357 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 fac9bf70 RDI: ffffffffabb8ce60 # [ 57.803951] RBP: 00007f5ccd[ 66.007384] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify a76000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.811[ 66.040049] CPU: 1 PID: 2357 Comm: cat Tainted: G D W 5.10.153-cip19 #1 919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 66.054898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.067922] RIP: 0010:refcount_warn_saturate+0x74/0x110 000011 # [ 57.819885] R13: ffffbf324262ff10 R14: ffffbf324262[ 66.073761] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ab c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 [ 66.100962] RSP: 0018:ffffbf3242e27e48 EFLAGS: 00010286 ff10 R15: ffff9f6784d69000 # [ 57.827853] FS: 00007f5ccda475[ 66.106802] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.120987] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 80(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ [ 66.128961] RBP: ffffffffabb8bfc3 R08: 0000000000000000 R09: 0000000000000000 [ 66.143146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 57.836889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 66.151121] R13: ffffbf3242e27f10 R14: ffffbf3242e27f10 R15: ffff9f6784cff000 [ 57.843318] CR2: 00007f5ccda76000 CR3: 0000000103cf8004 CR4:[ 66.165324] FS: 00007f1b31d85580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 66.180582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000003706e0 # [ 57.851287] Call Trace: # [ 57.854007[ 66.187002] CR2: 00007f1b31b8e000 CR3: 0000000104d34005 CR4: 00000000003706e0 [ 66.201189] Call Trace: ] direct_entry.cold+0x2c/0x38 # [ 57.858385] full_proxy_wri[ 66.203923] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 te+0x53/0x80 # [ 57.868878] vfs_write+0xe7/0x3a0 # [ 57.8[ 66.215095] direct_entry.cold+0x2c/0x38 72578] ksys_write+0x68/0xf0 # [ 57.882487] do_syscall_64+0x[ 66.225693] full_proxy_write+0x53/0x80 30/0x40 # [ 57.886478] entry_SYSCALL_64_after_hwframe+0x61/0[ 66.236194] vfs_write+0xe7/0x3a0 xc6 # [ 57.898329] RIP: 0033:0x7f5ccd95d8f3 # [ 57.902318][ 66.246112] ksys_write+0x68/0xf0 Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 66.256033] do_syscall_64+0x30/0x40 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 66.266238] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 66.278098] RIP: 0033:0x7f1b31c9b8f3 54 24 18 # [ 57.923317] RSP: 002b:00007fffca6ac828 EFLAGS: 00[ 66.288324] 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 000246 ORIG_RAX: 0000000000000001 # [ 57.931772] RAX: fffffff[ 66.315521] RSP: 002b:00007ffc3bc921c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffda RBX: 0000000000000011 RCX: 00007f5ccd95d8f3 # [ 57.[ 66.330193] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1b31c9b8f3 939738] RDX: 0000000000000011 RSI: 00007f5ccd850000 RDI: 0000000[ 66.344380] RDX: 0000000000000012 RSI: 00007f1b31b8e000 RDI: 0000000000000001 000000001 # [ 57.947705] RBP: 00007f5ccd850000 R08: 00007f5cc[ 66.358569] RBP: 00007f1b31b8e000 R08: 00007f1b31b8d010 R09: 0000000000000000 d84f010 R09: 0000000000000000 # [ 57.955672] R10: fffffffffff[ 66.372757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.9636[ 66.386946] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 38] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 66.401138] irq event stamp: 0 20000 # [ 57.971609] Modules linked in: fuse ip_tables cros_e[ 66.410760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 66.423980] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sen[ 66.439337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 sorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_e[ 66.454696] softirqs last disabled at (0): [<0000000000000000>] 0x0 c_dev cros_usbpd_notify # [ 58.004241] CR2: 00007f5ccda76000 [ 66.467915] ---[ end trace a1885553bf58b7a6 ]--- # [ 58.007938] ---[ end trace a1885553bf58b798 ]--- # [ 58[ 66.479291] lkdtm: Zero detected: saturated .013092] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.017469] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 58.044658] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 58.050482] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.058450] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 58.066417] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.074386] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.082344] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 58.090332] FS: 00007f5ccda47580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 58.099372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.105787] CR2: 00007f5ccda76000 CR3: 0000000103cf8004 CR4: 00000000003706e0 # [ 58.113756] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.123667] in_atomic(): 0, irqs_disabled(): 1, non_block[ 66.599220] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED : 0, pid: 1885, name: cat # [ 58.132121] INFO: lockdep is tur[ 66.608877] lkdtm: attempting bad refcount_inc() from saturated ned off. # [ 58.136496] irq event stamp: 0 # [ 58.139900] [ 66.621712] ------------[ cut here ]------------ hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 5[ 66.633102] refcount_t: saturated; leaking memory. 8.146899] hardirqs last disabled at (0): [] co[ 66.644728] WARNING: CPU: 0 PID: 2392 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 py_process+0x640/0x1c80 # [ 58.156033] softirqs last enabled[ 66.660363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify at (0): [] copy_process+0x640/0x1c80 # [ 5[ 66.693059] CPU: 0 PID: 2392 Comm: cat Tainted: G D W 5.10.153-cip19 #1 8.165168] softirqs last disabled at (0): [<0000000000000000>] 0x[ 66.707932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 58.172157] CPU: 1 PID: 1885 Comm: cat Tainted: G D[ 66.720959] RIP: 0010:refcount_warn_saturate+0x51/0x110 W 5.10.153-cip19 #1 # [ 58.180805] Hardware name: Go[ 66.733013] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 58.187607] Call Trac[ 66.760196] RSP: 0018:ffffbf3242ebfe48 EFLAGS: 00010286 e: # [ 58.190335] dump_stack+0x77/0x9b # [ 58.194034] __[ 66.772271] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 _might_sleep.cold+0xa6/0xb6 # [ 58.204818] exit_signals+0x1c[ 66.786475] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 /0x2e0 # [ 58.208807] do_exit+0xd5/0xb00 # [ 58.218523] [ 66.800705] RBP: ffffffffabb8bfd5 R08: 0000000000000000 R09: 0000000000000000 ? ksys_write+0x68/0xf0 # [ 58.222406] rewind_stack_do_exit+0[ 66.814846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 x17/0x20 # [ 58.227075] RIP: 0033:0x7f5ccd95d8f3 # [ 58.23[ 66.829027] R13: ffffbf3242ebff10 R14: ffffbf3242ebff10 R15: ffff9f6785423000 7274] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f[ 66.843242] FS: 00007ff516ed7580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00[ 66.858487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 66.871099] CR2: 00007ff516ce0000 CR3: 0000000105c14001 CR4: 00000000003706f0 8 89 54 24 18 # [ 58.258255] RSP: 002b:00007fffca6ac828 EFLAG[ 66.885288] Call Trace: S: 00000246 ORIG_RAX: 0000000000000001 # [ 58.266709] RAX: ff[ 66.894237] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 ffffffffffffda RBX: 0000000000000011 RCX: 00007f5ccd95d8f3 # [ [ 66.905930] direct_entry.cold+0x2c/0x38 58.274677] RDX: 0000000000000011 RSI: 00007f5ccd850000 RDI: 00[ 66.916515] full_proxy_write+0x53/0x80 00000000000001 # [ 58.282637] RBP: 00007f5ccd850000 R08: 0000[ 66.927022] vfs_write+0xe7/0x3a0 7f5ccd84f010 R09: 0000000000000000 # [ 58.290605] R10: ffffff[ 66.936949] ksys_write+0x68/0xf0 fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58[ 66.946860] do_syscall_64+0x30/0x40 .298573] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 66.957069] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 sel[ 66.968939] RIP: 0033:0x7ff516ded8f3 ftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_N[ 66.979141] 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 ULL.sh # Killed # [ 58.425002] lkdtm: Performing direct entr[ 67.006342] RSP: 002b:00007ffc83474378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 y ACCESS_NULL # [ 58.436594] lkdtm: attempting bad read at 00[ 67.021031] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff516ded8f3 00000000000000 # [ 58.442755] BUG: kernel NULL pointer derefe[ 67.035228] RDX: 0000000000000017 RSI: 00007ff516ce0000 RDI: 0000000000000001 rence, address: 0000000000000000 # [ 58.450560] #PF: supervis[ 67.049411] RBP: 00007ff516ce0000 R08: 00007ff516cdf010 R09: 0000000000000000 or read access in kernel mode # [ 58.456296] #PF: error_code([ 67.063608] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0x0000) - not-present page # [ 58.462033] PGD 0 P4D 0 # [ [ 67.077791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 58.464860] Oops: 0000 [#13] SMP PTI # [ 58.468839] CPU: 3 PI[ 67.091988] irq event stamp: 0 D: 1920 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 67.101615] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.477486] Hardware name: Google Rammus/Rammus, BIOS 09/[ 67.114831] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 04/2020 # [ 58.484294] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 67.130193] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.495759] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f[ 67.145546] softirqs last disabled at (0): [<0000000000000000>] 0x0 7 9c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 ce[ 67.158774] ---[ end trace a1885553bf58b7a7 ]--- b8 ab e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 4[ 67.170179] lkdtm: Saturation detected: still saturated 8 c7 c7 60 ce b8 ab 48 01 # [ 58.516739] RSP: 0018:ffffbf32427d7e58 EFLAGS: 00010246 # [ 58.522571] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.530536] RDX: 0000000000000000 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 58.538503] RBP: ffffffffabb8bf29 R08: 0000000000000000 R09: 0000000000000000 # [ 58.546470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.554437] R13: ffffbf32427d7f10 R14: ffffbf32427d7f10 R15: ffff9f6785798000 # [ 58.562405] FS: 00007fc142da3580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 58.571441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.577856] CR2: 0000000000000000 CR3: 00000001013e0006 CR4: 00000000003706e0 # [ 58.585825] Call Trace: # [ 58.588553] direct_entry.cold+0x2c/0x38 # [ 58.592931] full_proxy_write+0x53/0x80 # [ 58.597212] vfs_write+0xe7/0x3a0 # [ 58.600910] ksys_write+0x68/0xf0 # [ 58.604608] do_syscall_64+0x30/0x40 # [ 58.608597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.614235] RIP: 0033:0x7fc142cb98f3 # [ 58.618223] 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 # [ 58.639203] RSP: 002b:00007ffe62e5e408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.647659] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc142cb98f3 # [ 58.655626] RDX: 000000000000000c R[ 67.326164] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED SI: 00007fc142bac000 RDI: 0000000000000001 # [ 58.663593] RBP[ 67.338201] lkdtm: attempting bad refcount_dec() from saturated : 00007fc142bac000 R08: 00007fc142bab010 R09: 0000000000000000 [ 67.351053] ------------[ cut here ]------------ # [ 58.671560] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 67.362398] refcount_t: decrement hit 0; leaking memory. : 0000000000000001 # [ 58.679529] R13: 0000000000000001 R14: [ 67.374580] WARNING: CPU: 1 PID: 2427 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0000000000020000 R15: 0000000000020000 # [ 58.687504] Modules[ 67.390196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 67.422844] CPU: 1 PID: 2427 Comm: cat Tainted: G D W 5.10.153-cip19 #1 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lig[ 67.437714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 htbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_de[ 67.450745] RIP: 0010:refcount_warn_saturate+0xfb/0x110 bugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 67.462797] Code: 50 79 b2 ab c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 b2 ab c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 58.713962] CR2: 0000000000000000 # [ 58.723870] ---[ end trac[ 67.490005] RSP: 0018:ffffbf3242f1fe48 EFLAGS: 00010286 e a1885553bf58b799 ]--- # [ 58.729025] RIP: 0010:lkdtm_BUG+0x[ 67.502064] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 5/0x10 # [ 58.733400] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea [ 67.516251] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 [ 67.530439] RBP: ffffffffabb8bfec R08: 0000000000000000 R09: 0000000000000000 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 67.538414] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 67.552622] R13: ffffbf3242f1ff10 R14: ffffbf3242f1ff10 R15: ffff9f6784fe7000 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 58.754377] RSP: 0018:fff[ 67.566816] FS: 00007fb38319c580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 67.582053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fbf3241507e60 EFLAGS: 00010286 # [ 58.760209] RAX: ffffffffaa[ 67.588474] CR2: 00007fb382fa5000 CR3: 0000000102796005 CR4: 00000000003706e0 [ 67.602660] Call Trace: adf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.768[ 67.605396] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 176] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab[ 67.617054] direct_entry.cold+0x2c/0x38 79bd70 # [ 58.776144] RBP: ffffffffabbe73a8 R08: 000000000000[ 67.627652] full_proxy_write+0x53/0x80 0001 R09: 0000000000000001 # [ 58.784110] R10: 00000000ffffe0[ 67.638155] vfs_write+0xe7/0x3a0 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.792078][ 67.648070] ksys_write+0x68/0xf0 R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c130[ 67.657989] do_syscall_64+0x30/0x40 00 # [ 58.800045] FS: 00007fc142da3580(0000) GS:ffff9f67fad8[ 67.668198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000(0000) knlGS:0000000000000000 # [ 58.809081] CS: 0010 DS[ 67.680060] RIP: 0033:0x7fb3830b28f3 [ 67.690269] 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 : 0000 ES: 0000 CR0: 0000000080050033 # [ 58.815494] CR2: 000[ 67.711259] RSP: 002b:00007ffe80ddb6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.725930] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb3830b28f3 0000000000000 CR3: 00000001013e0006 CR4: 00000000003706e0 # ACC[ 67.733905] RDX: 0000000000000017 RSI: 00007fb382fa5000 RDI: 0000000000000001 [ 67.748090] RBP: 00007fb382fa5000 R08: 00007fb382fa4010 R09: 0000000000000000 ESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_[ 67.756065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.930[ 67.770250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 833] lkdtm: Performing direct entry WRITE_RO # [ 58.940834] l[ 67.784465] irq event stamp: 0 [ 67.794068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 kdtm: attempting bad rodata write at ffffffffab79c1f0 # [ 58.[ 67.801072] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.816424] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 947755] BUG: unable to handle page fault for address: ffffffffab[ 67.825565] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.838779] ---[ end trace a1885553bf58b7a8 ]--- 79c1f0 # [ 58.955441] #PF: supervisor write access in kernel [ 67.843940] lkdtm: Saturation detected: still saturated mode # [ 58.961276] #PF: error_code(0x0003) - permissions violation # [ 58.967488] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 80000001088000e1 # [ 58.981481] Oops: 0003 [#14] SMP PTI # [ 58.985472] CPU: 2 PID: 1955 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 58.994125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.007143] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.012102] Code: 00 48 c7 c7 18 cd b8 ab 48 c7 c6 f0 c1 79 ab e8 8c 9b fd ff 48 8b 05 c1 eb 62 00 ba 34 12 cd ab 48 c7 c7 48 cd b8 ab 48 31 d0 <48> 89 05 ab eb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da bc # [ 59.033072] RSP: 0018:ffffbf324283fe60 EFLAGS: 00010202 # [ 59.038905] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.046871] RDX: 00000000abcd1234 RSI: ffff9f67fad1bf70 RDI: ffffffffabb8cd48 # [ 59.054841] RBP: ffffffffabb8bf35 R08: 0000000000000000 R09: 0000000000000000 # [ 59.062810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.070778] R13: ffffbf324283ff10 R14: ffffbf324283ff10 R15: ffff9f6783c35000 # [ 59.078748] FS: 00007f3acb23f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 59[ 67.970145] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED .087786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 67.980903] lkdtm: attempting bad refcount_dec() from saturated 59.094192] CR2: ffffffffab79c1f0 CR3: 0000000104eb6006 CR4: 00[ 67.993737] ------------[ cut here ]------------ 000000003706e0 # [ 59.102159] Call Trace: # [ 59.104886] [ 68.005127] refcount_t: saturated; leaking memory. direct_entry.cold+0x2c/0x38 # [ 59.109265] full_proxy_write+[ 68.016702] WARNING: CPU: 0 PID: 2462 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0x53/0x80 # [ 59.113546] vfs_write+0xe7/0x3a0 # [ 59.1172[ 68.032345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 45] ksys_write+0x68/0xf0 # [ 59.120944] do_syscall_64+0x30/[ 68.065009] CPU: 0 PID: 2462 Comm: cat Tainted: G D W 5.10.153-cip19 #1 0x40 # [ 59.124932] entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 68.079887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.130561] RIP: 0033:0x7f3acb1558f3 # [ 59.134550] Co[ 68.092897] RIP: 0010:refcount_warn_saturate+0x51/0x110 de: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 68.104996] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 68.132172] RSP: 0018:ffffbf3242ef7e48 EFLAGS: 00010286 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 68.144247] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 24 18 # [ 59.155523] RSP: 002b:00007ffce8399a88 EFLAGS: 00000[ 68.158429] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 246 ORIG_RAX: 0000000000000001 # [ 59.163969] RAX: ffffffffff[ 68.172685] RBP: ffffffffabb8c003 R08: 0000000000000000 R09: 0000000000000000 ffffda RBX: 0000000000000009 RCX: 00007f3acb1558f3 # [ 59.171[ 68.186810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 937] RDX: 0000000000000009 RSI: 00007f3acb048000 RDI: 0000000000[ 68.200984] R13: ffffbf3242ef7f10 R14: ffffbf3242ef7f10 R15: ffff9f6784d8c000 000001 # [ 59.179906] RBP: 00007f3acb048000 R08: 00007f3acb04[ 68.215197] FS: 00007fcaae8e5580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 7010 R09: 0000000000000000 # [ 59.187874] R10: fffffffffffffb[ 68.230475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.195841][ 68.243088] CR2: 00007fcaae6ee000 CR3: 0000000105c14006 CR4: 00000000003706f0 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 68.257301] Call Trace: 00 # [ 59.203812] Modules linked in: fuse ip_tables cros_ec_s[ 68.266272] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 ensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_[ 68.277901] direct_entry.cold+0x2c/0x38 buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensor[ 68.288470] full_proxy_write+0x53/0x80 hub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_d[ 68.298965] vfs_write+0xe7/0x3a0 ev cros_usbpd_notify # [ 59.230272] CR2: ffffffffab79c1f0 # [ 68.308869] ksys_write+0x68/0xf0 [ 59.240181] ---[ end trace a1885553bf58b79a ]--- # [ 59.24[ 68.318787] do_syscall_64+0x30/0x40 5335] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.249703] Code: 89 ff[ 68.329016] entry_SYSCALL_64_after_hwframe+0x61/0xc6 e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff [ 68.340894] RIP: 0033:0x7fcaae7fb8f3 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b[ 68.351069] 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 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 f0 93 02 # [ 68.378305] RSP: 002b:00007ffc344352b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.270681] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ [ 68.393019] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fcaae7fb8f3 59.276512] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 00[ 68.407177] RDX: 0000000000000017 RSI: 00007fcaae6ee000 RDI: 0000000000000001 00000000000000 # [ 59.284480] RDX: 0000000000000000 RSI: ffff[ 68.421416] RBP: 00007fcaae6ee000 R08: 00007fcaae6ed010 R09: 0000000000000000 9f67fac1bf70 RDI: ffffffffab79bd70 # [ 59.292448] RBP: ffffff[ 68.435596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 59[ 68.449852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .300415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 68.464064] irq event stamp: 0 0000000004 # [ 59.308384] R13: ffffbf3241507f10 R14: ffffbf32[ 68.473627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 41507f10 R15: ffff9f6785c13000 # [ 59.316372] FS: 00007f3acb[ 68.486846] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 23f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 #[ 68.502209] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.325398] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 68.517551] softirqs last disabled at (0): [<0000000000000000>] 0x0 3 # [ 59.331812] CR2: ffffffffab79c1f0 CR3: 0000000104eb6006 [ 68.530803] ---[ end trace a1885553bf58b7a9 ]--- CR4: 00000000003706e0 # [ 59.339781] BUG: sleeping function c[ 68.542159] lkdtm: Saturation detected: still saturated alled from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.349710] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1955, name: cat # [ 59.358167] INFO: lockdep is turned off. # [ 59.362542] irq event stamp: 0 # [ 59.365948] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.372936] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.382067] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.391201] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.398199] CPU: 2 PID: 1955 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 59.406847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.413650] Call Trace: # [ 59.416376] dump_stack+0x77/0x9b # [ 59.420064] ___might_sleep.cold+0xa6/0xb6 # [ 59.424636] exit_signals+0x1c/0x2e0 # [ 59.428624] do_exit+0xd5/0xb00 # [ 59.432118] ? ksys_write+0x68/0xf0 # [ 59.436001] rewind_stack_do_exit+0x17/0x20 # [ 59.440668] RIP: 0033:0x7f3acb1558f3 # [ 59.444656] 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[ 68.671016] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 68.679922] lkdtm: attempting bad refcount_inc_not_zero() from saturated 9 54 24 18 # [ 59.465627] RSP: 002b:00007ffce8399a88 EFLAGS: [ 68.693629] ------------[ cut here ]------------ [ 68.704995] refcount_t: saturated; leaking memory. 00000246 ORIG_RAX: 0000000000000001 # [ 59.474082] RAX: fffff[ 68.710390] WARNING: CPU: 1 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 fffffffffda RBX: 0000000000000009 RCX: 00007f3acb1558f3 # [ 5[ 68.725986] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.758627] CPU: 1 PID: 2494 Comm: cat Tainted: G D W 5.10.153-cip19 #1 9.482052] RDX: 0000000000000009 RSI: 00007f3acb048000 RDI: 00000[ 68.767281] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000001 # [ 59.490020] RBP: 00007f3acb048000 R08: 00007f3[ 68.780322] RIP: 0010:refcount_warn_saturate+0x97/0x110 acb047010 R09: 0000000000000000 # [ 59.497989] R10: fffffffff[ 68.792397] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.50[ 68.819582] RSP: 0018:ffffbf3243097e38 EFLAGS: 00010282 [ 68.831634] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 5958] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 68.839608] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 [ 68.853792] RBP: ffffffffabb8bc30 R08: 0000000000000000 R09: 0000000000000000 0020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkd[ 68.861767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.875952] R13: ffffbf3243097f10 R14: ffffbf3243097f10 R15: ffff9f6785727000 tm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # K[ 68.883927] FS: 00007efcaa0c8580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 [ 68.899182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 illed # [ 59.682838] lkdtm: Performing direct entry WRITE_RO_[ 68.905604] CR2: 00007efca9ed1000 CR3: 0000000103c06006 CR4: 00000000003706e0 AFTER_INIT # [ 59.694510] lkdtm: attempting bad ro_after_init[ 68.919788] Call Trace: write at ffffffffabc09330 # [ 59.702149] BUG: unable to hand[ 68.928738] __refcount_add_not_zero.constprop.0+0x2a/0x35 le page fault for address: ffffffffabc09330 # [ 59.709837] #P[ 68.941082] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 68.953620] direct_entry.cold+0x2c/0x38 F: supervisor write access in kernel mode # [ 59.721882] #PF:[ 68.958002] full_proxy_write+0x53/0x80 error_code(0x0003) - permissions violation # [ 59.728104] PG[ 68.968497] vfs_write+0xe7/0x3a0 D 109029067 P4D 109029067 PUD 10902a063 PMD 104c59063 PTE 800000[ 68.978410] ksys_write+0x68/0xf0 0108e09061 # [ 59.737145] Oops: 0003 [#15] SMP PTI # [ 59.[ 68.988329] do_syscall_64+0x30/0x40 741135] CPU: 2 PID: 1990 Comm: cat Tainted: G D W 5[ 68.998536] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .10.153-cip19 #1 # [ 59.749786] Hardware name: Google Rammus/[ 69.010397] RIP: 0033:0x7efca9fde8f3 [ 69.020604] 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 Rammus, BIOS 09/04/2020 # [ 59.756585] RIP: 0010:lkdtm_WRITE[ 69.041597] RSP: 002b:00007ffc50f0bef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _RO_AFTER_INIT+0x4e/0x5a # [ 59.762613] Code: cd b8 ab e9 3e [ 69.056303] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efca9fde8f3 [ 69.070459] RDX: 0000000000000020 RSI: 00007efca9ed1000 RDI: 0000000000000001 9b fd ff 48 c7 c7 a0 cd b8 ab e8 32 9b fd ff 48 8b 05 a7 bc a9 0[ 69.078434] RBP: 00007efca9ed1000 R08: 00007efca9ed0010 R09: 0000000000000000 [ 69.092618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 ba 34 12 cd ab 48 c7 c7 48 cd b8 ab 48 31 d0 <48> 89 05 91 bc [ 69.100593] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.783[ 69.114780] irq event stamp: 0 [ 69.124402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 594] RSP: 0018:ffffbf32428afe60 EFLAGS: 00010202 # [ 59.78942[ 69.131407] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.146754] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 7] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 000000000000[ 69.155894] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.169106] ---[ end trace a1885553bf58b7aa ]--- 0000 # [ 59.797395] RDX: 00000000abcd1234 RSI: ffff9f67fad1bf[ 69.174264] lkdtm: Saturation detected: still saturated 70 RDI: ffffffffabb8cd48 # [ 59.805370] RBP: ffffffffabb8bf3e R08: 0000000000000000 R09: 0000000000000000 # [ 59.813337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.821317] R13: ffffbf32428aff10 R14: ffffbf32428aff10 R15: ffff9f67832d2000 # [ 59.829278] FS: 00007f8f5242f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 59.838318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.844731] CR2: ffffffffabc09330 CR3: 00000001056c0003 CR4: 00000000003706e0 # [ 59.852699] Call Trace: # [ 59.855426] direct_entry.cold+0x2c/0x38 # [ 59.859806] full_proxy_write+0x53/0x80 # [ 59.864087] vfs_write+0xe7/0x3a0 # [ 59.867786] ksys_write+0x68/0xf0 # [ 59.871484] do_syscall_64+0x30/0x40 # [ 59.875474] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.881113] RIP: 0033:0x7f8f523458f3 # [ 59.885099] 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 # [ 59.906082] RSP: 002b:00007ffd2fd7cf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.914538] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8f523458f3 # [ 59.922507[ 69.305337] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 69.318317] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 69.325813] ------------[ cut here ]------------ ] RDX: 0000000000000014 RSI: 00007f8f52238000 RDI: 0000000000000[ 69.330997] refcount_t: saturated; leaking memory. 001 # [ 59.930476] RBP: 00007f8f52238000 R08: 00007f8f5223701[ 69.342568] WARNING: CPU: 3 PID: 2526 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 69.358202] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 R09: 0000000000000000 # [ 59.938445] R10: fffffffffffffbc5 [ 69.384667] CPU: 3 PID: 2526 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 69.399553] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R11: 0000000000000246 R12: 0000000000000001 # [ 59.946415] R1[ 69.406379] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.418420] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 [ 69.439436] RSP: 0018:ffffbf3243137e38 EFLAGS: 00010282 [ 69.445276] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.453250] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 [ 69.461225] RBP: ffffffffabb8bc50 R08: 0000000000000000 R09: 0000000000000000 [ 69.469201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.477176] R13: ffffbf3243137f10 R14: ffffbf3243137f10 R15: ffff9f6783b6c000 [ 69.485149] FS: 00007f4203f2c580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 [ 69.494192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.500613] CR2: 00007f4203d35000 CR3: 0000000105414002 CR4: 00000000003706e0 [ 69.508586] Call Trace: 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.511326] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.523669] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.530023] direct_entry.cold+0x2c/0x38 [ 69.534407] full_proxy_write+0x53/0x80 [ 69.538722] vfs_write+0xe7/0x3a0 [ 69.542457] ksys_write+0x68/0xf0 [ 69.546190] do_syscall_64+0x30/0x40 [ 69.550216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.555888] RIP: 0033:0x7f4203e428f3 [ 69.559881] 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 [ 69.580898] RSP: 002b:00007ffd16cea438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.589371] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4203e428f3 [ 69.597344] RDX: 0000000000000020 RSI: 00007f4203d35000 RDI: 0000000000000001 [ 69.605339] RBP: 00007f4203d35000 R08: 00007f4203d34010 R09: 0000000000000000 [ 69.613337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.954388] Modules linked in: fuse ip_tables cros_ec_sens[ 69.621312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf[ 69.635506] irq event stamp: 0 [ 69.645125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.652129] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.661268] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.670406] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.677406] ---[ end trace a1885553bf58b7ab ]--- [ 69.682561] lkdtm: Saturation detected: still saturated industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.980850] CR2: ffffffffabc09330 # [ 59.990759] ---[ end trace a1885553bf58b79b ]--- # [ 59.995914] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.000290] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 60.021320] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 60.027154] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.035123] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 60.043094] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.051065] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.059034] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 60.067002] FS: 00007f8f5242f580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 60.076040] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.082455] CR2: ffffffffabc09330 CR3: 00000001056c0003 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok[ 69.807959] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: l[ 69.820444] lkdtm: attempting bad refcount_dec_and_test() from saturated kdtm: WRITE_KERN.sh # Killed # [ 60.234185] lkdtm: Performin[ 69.834156] ------------[ cut here ]------------ g direct entry WRITE_KERN # [ 60.245305] lkdtm: attempting ba[ 69.845542] refcount_t: underflow; use-after-free. d 6872489 byte write at ffffffffab16d5a9 # [ 60.259000] BUG: [ 69.857122] WARNING: CPU: 0 PID: 2561 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 unable to handle page fault for address: ffffffffab16d5a9 # [ [ 69.872768] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 60.272881] #PF: supervisor write access in kernel mode # [ 6[ 69.905424] CPU: 0 PID: 2561 Comm: cat Tainted: G D W 5.10.153-cip19 #1 0.278706] #PF: error_code(0x0003) - permissions violation # [ [ 69.920293] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 60.284929] PGD 109029067 P4D 109029067 PUD 10902a063 PMD 108200[ 69.933323] RIP: 0010:refcount_warn_saturate+0xba/0x110 0e1 # [ 60.292031] Oops: 0003 [#16] SMP PTI # [ 60.302233[ 69.945455] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 ] CPU: 1 PID: 2025 Comm: cat Tainted: G D W 5.10.15[ 69.972747] RSP: 0018:ffffbf324319fe40 EFLAGS: 00010286 3-cip19 #1 # [ 60.310884] Hardware name: Google Rammus/Rammus[ 69.984782] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 , BIOS 09/04/2020 # [ 60.317691] RIP: 0010:lkdtm_WRITE_KERN+[ 69.998959] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 0x38/0x4e # [ 60.322846] Code: 53 48 c7 c3 a9 d5 16 ab 49 89 [ 70.013177] RBP: ffffffffabb8bc70 R08: 0000000000000000 R09: 0000000000000000 dc 48 89 da 49 81 ec 00 f8 ad aa 4c 89 e6 e8 e5 9a fd ff 48 89 d[ 70.027407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 f 4c 89 e1 48 c7 c6 00 f8 ad aa a4 48 c7 c7 48 cd b8 ab e8 [ 70.041564] R13: ffffbf324319ff10 R14: ffffbf324319ff10 R15: ffff9f6785421000 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.350043] RSP: 0018:[ 70.055804] FS: 00007f6cf8ac2580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 ffffbf3242957e50 EFLAGS: 00010246 # [ 60.355876] RAX: 0000000[ 70.071011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000003c RBX: ffffffffab16d5a9 RCX: 000000000068dda9 # [ 60.[ 70.083671] CR2: 00007f6cf88cb000 CR3: 0000000105710004 CR4: 00000000003706f0 363846] RDX: 0000000000000000 RSI: ffffffffaaadf800 RDI: fffffff[ 70.097838] Call Trace: fab16d5a9 # [ 60.371815] RBP: ffffffffabb8bf52 R08: 000000000[ 70.106826] __refcount_sub_and_test.constprop.0+0x3c/0x50 0000000 R09: 0000000000000000 # [ 60.379784] R10: 00000000fff[ 70.119158] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 fe000 R11: 3fffffffffffffff R12: 000000000068dda9 # [ 60.3877[ 70.131709] direct_entry.cold+0x2c/0x38 54] R13: ffffbf3242957f10 R14: ffffbf3242957f10 R15: ffff9f6784b[ 70.142321] full_proxy_write+0x53/0x80 fe000 # [ 60.395725] FS: 00007f53a49a9580(0000) GS:ffff9f67f[ 70.152797] vfs_write+0xe7/0x3a0 ac80000(0000) knlGS:0000000000000000 # [ 60.404754] CS: 0010[ 70.162706] ksys_write+0x68/0xf0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.411171] CR2: [ 70.172633] do_syscall_64+0x30/0x40 ffffffffab16d5a9 CR3: 0000000103ac4002 CR4: 00000000003706e0 # [ 70.182831] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.419140] Call Trace: # [ 60.421869] direct_entry.cold+[ 70.194690] RIP: 0033:0x7f6cf89d88f3 0x2c/0x38 # [ 60.426248] full_proxy_write+0x53/0x80 # [ 6[ 70.204903] 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 0.436743] vfs_write+0xe7/0x3a0 # [ 60.440442] ksys_write+0x[ 70.232115] RSP: 002b:00007fff6016e5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 68/0xf0 # [ 60.450366] do_syscall_64+0x30/0x40 # [ 60.454[ 70.246813] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6cf89d88f3 369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.466221][ 70.260983] RDX: 0000000000000020 RSI: 00007f6cf88cb000 RDI: 0000000000000001 RIP: 0033:0x7f53a48bf8f3 # [ 60.470209] Code: 8b 15 a1 25 0e[ 70.275175] RBP: 00007f6cf88cb000 R08: 00007f6cf88ca010 R09: 0000000000000000 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 70.289362] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 70.303560] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.49[ 70.317757] irq event stamp: 0 1182] RSP: 002b:00007ffcefd26d88 EFLAGS: 00000246 ORIG_RAX: 0000[ 70.327411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000001 # [ 60.499628] RAX: ffffffffffffffda RBX: 000000[ 70.340615] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000000000b RCX: 00007f53a48bf8f3 # [ 60.507597] RDX: 00000000[ 70.355972] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000000b RSI: 00007f53a47b2000 RDI: 0000000000000001 # [ 60.5[ 70.371364] softirqs last disabled at (0): [<0000000000000000>] 0x0 15567] RBP: 00007f53a47b2000 R08: 00007f53a47b1010 R09: 00000000[ 70.384596] ---[ end trace a1885553bf58b7ac ]--- 00000000 # [ 60.523536] R10: fffffffffffffbc5 R11: 0000000000[ 70.395968] lkdtm: Saturation detected: still saturated 000246 R12: 0000000000000001 # [ 60.531505] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.539479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.572119] CR2: ffffffffab16d5a9 # [ 60.575816] ---[ end trace a1885553bf58b79c ]--- # [ 60.580970] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.585363] Code: 89 ff e8 be ae 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 e0 f0 93 02 # [ 60.606365] RSP: 0018:ffffbf3241507e60 EFLAGS: 00010286 # [ 60.612197] RAX: ffffffffaaadf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.620165] RDX: 0000000000000000 RSI: ffff9f67fac1bf70 RDI: ffffffffab79bd70 # [ 60.628135] RBP: ffffffffabbe73a8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.636103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.644072] R13: ffffbf3241507f10 R14: ffffbf3241507f10 R15: ffff9f6785c13000 # [ 60.652042] FS: 00007f53a49a9580(0000) GS:ff[ 70.527624] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 70.540004] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 70.547551] ------------[ cut here ]------------ ff9f67fac80000(0000) knlGS:0000000000000000 # [ 60.661070] CS[ 70.552720] refcount_t: underflow; use-after-free. : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.667484[ 70.564299] WARNING: CPU: 2 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ] CR2: ffffffffab16d5a9 CR3: 0000000103ac4002 CR4: 0000000000370[ 70.579925] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.612571] CPU: 2 PID: 2596 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 70.621255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.628065] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.633924] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 6e0 # [ 60.675454] BUG: sleeping function called from invalid[ 70.654930] RSP: 0018:ffffbf32431f7e40 EFLAGS: 00010286 [ 70.666971] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.674944] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 [ 70.682917] RBP: ffffffffabb8bc90 R08: 0000000000000000 R09: 0000000000000000 [ 70.690890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.698861] R13: ffffbf32431f7f10 R14: ffffbf32431f7f10 R15: ffff9f6785650000 [ 70.706834] FS: 00007fc0477fa580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 [ 70.715877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.722316] CR2: 00007fc047603000 CR3: 0000000104e7c004 CR4: 00000000003706e0 [ 70.730289] Call Trace: [ 70.733038] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.739197] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.745545] direct_entry.cold+0x2c/0x38 [ 70.749951] full_proxy_write+0x53/0x80 [ 70.754235] vfs_write+0xe7/0x3a0 [ 70.757960] ksys_write+0x68/0xf0 [ 70.761661] do_syscall_64+0x30/0x40 [ 70.765651] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.771312] RIP: 0033:0x7fc0477108f3 context at include/linux/percpu-rwsem.h:49 # [ 60.685369] in[ 70.775313] 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 [ 70.802507] RSP: 002b:00007ffca5333218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.810966] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc0477108f3 [ 70.818939] RDX: 0000000000000020 RSI: 00007fc047603000 RDI: 0000000000000001 [ 70.826912] RBP: 00007fc047603000 R08: 00007fc047602010 R09: 0000000000000000 [ 70.834884] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.842858] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2025, name:[ 70.850838] irq event stamp: 0 cat # [ 60.693823] INFO: lockdep is turned off. # [ 60.69[ 70.860458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.873677] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.882817] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.891957] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.898961] ---[ end trace a1885553bf58b7ad ]--- [ 70.904118] lkdtm: Saturation detected: still saturated 8197] irq event stamp: 0 # [ 60.701603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.708602] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.717738] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.726872] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.733872] CPU: 1 PID: 2025 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 60.742520] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.749324] Call Trace: # [ 60.752050] dump_stack+0x77/0x9b # [ 60.755750] ___might_sleep.cold+0xa6/0xb6 # [ 60.766536] exit_signals+0x1c/0x2e0 # [ 60.770527] do_exit+0xd5/0xb00 # [ 60.780243] ? ksys_write+0x68/0xf0 # [ 60.784126] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.789572] rewind_stack_do_exit+0x17/0x20 # [ 60.800452] RIP: 0033:0x7f53a48bf8f3 # [ 60.804442] 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 # [ 60.825426] RSP: 002b:00007ffcefd26d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.840095] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f53a48bf8f3 # [ 60.848065] RDX: 000000000000000b RSI: 00007f53a47b2000 RDI: 0000000000000001 # [ 60.856035] RBP: 00007f53a47b2000 R08: 00007f53a47b1010 R09: 0000000000000000 # [ 60.870218] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.878190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.005954] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.01719[ 71.086040] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 4] lkdtm: attempting good refcount_inc() without overflow # [ [ 71.096985] lkdtm: attempting good copy_to_user of correct size 61.024123] lkdtm: attempting bad refcount_inc() overflow # [ [ 71.109823] lkdtm: attempting bad copy_to_user of too large size 61.030156] ------------[ cut here ]------------ # [ 61.035318] refcount_t: saturated; leaking memory. # [ 61.040695] WARNING: CPU: 2 PID: 2060 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.050133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.082772] CPU: 2 PID: 2060 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 61.091448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.098257] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.104094] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 61.125083] RSP: 0018:ffffbf32429f7e48 EFLAGS: 00010286 # [ 61.130920] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.138895] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 # [ 61.146870] RBP: ffffffffabb8bf5d R08: 0000000000000000 R0[ 71.238590] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 71.247947] lkdtm: attempting good copy_from_user of correct size 9: 0000000000000000 # [ 61.161058] R10: 00000000ffffe000 R11:[ 71.254772] lkdtm: attempting bad copy_from_user of too large size 3fffffffffffffff R12: 0000000000000016 # [ 61.175249] R13: ffffbf32429f7f10 R14: ffffbf32429f7f10 R15: ffff9f67854a0000 # [ 61.189440] FS: 00007f60af8ff580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 61.204695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.211115] CR2: 00007f60af708000 CR3: 0000000105414005 CR4: 00000000003706e0 # [ 61.219088] Call Trace: # [ 61.221819] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.227203] direct_entry.cold+0x2c/0x38 # [ 61.231607] full_proxy_write+0x53/0x80 # [ 61.235898] vfs_write+0xe7/0x3a0 # [ 61.245801] ksys_write+0x68/0xf0 # [ 61.249503] do_syscall_64+0x30/0x40 # [ 61.253496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.259138] RIP: 0033:0x7f60af8158f3 # [ 61.263129] 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 # [ 61.284117] RSP: 002b:00007ffe859dfa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.292578] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0[ 71.379410] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 71.386986] lkdtm: attempting good copy_to_user inside whitelist [ 71.393752] lkdtm: attempting bad copy_to_user outside whitelist 0007f60af8158f3 # [ 61.300551] RDX: 0000000000000016 RSI: 00007f60af708000 RDI: 0000000000000001 # [ 61.308524] RBP: 00007f60af708000 R08: 00007f60af707010 R09: 0000000000000000 # [ 61.316497] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.324470] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.332448] irq event stamp: 0 # [ 61.335882] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.349096] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.358236] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.367374] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.374375] ---[ end trace a1885553bf58b79d ]--- # [ 61.379532] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 61.481216] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.490778] lkdtm: attempting good refcount_add() without overflow # [ 61.497690] lkdtm: attempting bad refcount_add() overflow # [ 61.503723] --------[ 71.515982] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 71.525980] lkdtm: attempting good copy_from_user inside whitelist ----[ cut here ]------------ # [ 61.515096] refcount_t: satur[ 71.532895] lkdtm: attempting bad copy_from_user outside whitelist ated; leaking memory. # [ 61.526695] WARNING: CPU: 3 PID: 2092 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.536130] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.568767] CPU: 3 PID: 2092 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 61.577444] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.584254] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.590092] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 61.611082] RSP: 0018:ffffbf3242a87e48 EFLAGS: 00010286 # [ 61.616918] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.624890] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 61.632865] RBP: ffffffffabb8bf73 R08: 0000000000000000 R09: 0000000000000000 # [ 61.640840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.648814] R13: ffffbf3242a87f10 R14:[ 71.667741] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO ffffbf3242a87f10 R15: ffff9f6785789000 # [ 61.656787] FS: 0[ 71.677320] lkdtm: good_stack: ffffbf3243567e20-ffffbf3243567e40 [ 71.690272] lkdtm: bad_stack : ffffbf3243567da8-ffffbf3243567dc8 0007f91a1fe1580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000[ 71.696999] lkdtm: attempting good copy_to_user of local stack [ 71.709720] lkdtm: attempting bad copy_to_user of distant stack 000000 # [ 61.665827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.672245] CR2: 00007f91a1dea000 CR3: 0000000102762006 CR4: 00000000003706e0 # [ 61.680217] Call Trace: # [ 61.682948] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.688325] direct_entry.cold+0x2c/0x38 # [ 61.698921] full_proxy_write+0x53/0x80 # [ 61.703237] vfs_write+0xe7/0x3a0 # [ 61.706962] ksys_write+0x68/0xf0 # [ 61.710664] do_syscall_64+0x30/0x40 # [ 61.714657] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.720323] RIP: 0033:0x7f91a1ef78f3 # [ 61.730521] 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 # [ 61.751510] RSP: 002b:00007ffde3a600e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.759968] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f91a1ef78f3 # [ 61.767942] RDX: 0000000000000016 RSI: 00007f91a1dea000 RDI: 0000000000000001 # [ 61.775915] RBP: 00007f91a1dea000 R08: 00007f91a1de9010 R09: 0000000000000000 # [ 61.783888] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.791860] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 71.836008] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 00000020000 # [ 61.806053] irq event stamp: 0 # [ 61.81567[ 71.847818] lkdtm: good_stack: ffffbf32435f7e20-ffffbf32435f7e40 1] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 71.860743] lkdtm: bad_stack : ffffbf32435f7da8-ffffbf32435f7dc8 61.822674] hardirqs last disabled at (0): [][ 71.873694] lkdtm: attempting good copy_from_user of local stack copy_process+0x640/0x1c80 # [ 61.831814] softirqs last enab[ 71.886594] lkdtm: attempting bad copy_from_user of distant stack led at (0): [] copy_process+0x640/0x1c80 # [ 61.840951] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.847953] ---[ end trace a1885553bf58b79e ]--- # [ 61.853108] 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 # [ 61.959369] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.971459] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.978391] ------------[ cut here ]------------ # [ 61.989759] refcount_t: saturated; leaking memory. # [ 61.995128] WARNING: CPU: 2 PID: 2124 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.004564] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.031012] CPU: 2 PID: 2124 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 62.039664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.046473] RI[ 72.015853] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND P: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.052325] Code[ 72.024579] lkdtm: good_stack: ffffbf3243697e20-ffffbf3243697e40 : 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00[ 72.037506] lkdtm: bad_stack : ffffbf3243697ff8-ffffbf3243698018 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 [ 72.050443] lkdtm: attempting good copy_to_user of local stack <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78[ 72.063244] lkdtm: attempting bad copy_to_user of distant stack b2 # [ 62.073317] RSP: 0018:ffffbf3242abfe38 EFLAGS: 0001028[ 72.076068] lkdtm: copy_to_user failed, but lacked Oops 2 # [ 62.085368] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.099555] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 # [ 62.107558] RBP: ffffffffabb8bbb0 R08: 0000000000000000 R09: 0000000000000000 # [ 62.115530] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.123502] R13: ffffbf3242abff10 R14: ffffbf3242abff10 R15: ffff9f6783c0c000 # [ 62.131475] FS: 00007f44ba2f6580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 62.140539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.146971] CR2: 00007f44ba0ff000 CR3: 0000000103aa4006 CR4: 00000000003706e0 # [ 62.161150] Call Trace: # [ 62.163882] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.170042] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.176291] direct_entry.cold+0x2c/0x38 # [ 62.180688] full_proxy_write+0x53/0x80 # [ 62.184973] vfs_write+0xe7/0x3a0 # [ 62.188674] ksys_write+0x68/0xf0 # [ 62.192376] do_syscall_64+0x30/0x40 # [ 62.196369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.202012] RIP: 0033:0x7f44ba20c8f3 # [ 62.206002] 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 # [ 62.226990] RSP: 002b:00007ffef3e0bb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.235449[ 72.228129] lkdtm: Performing direct entry USERCOPY_KERNEL [ 72.237292] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffab79c210 ] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f44ba20c[ 72.245972] lkdtm: attempting bad copy_to_user from kernel text: ffffffffaa4e31f0 [ 72.260529] lkdtm: FAIL: survived bad copy_to_user() 8f3 # [ 62.243421] RDX: 000000000000001f RSI: 00007f44ba0ff000 RDI: 0000000000000001 # [ 62.251394] RBP: 00007f44ba0ff000 R08: 00007f44ba0fe010 R09: 0000000000000000 # [ 62.259374] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.267360] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.275386] irq event stamp: 0 # [ 62.278800] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.285804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.294943] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.304081] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.311083] ---[ end trace a1885553bf58b79f ]--- # [ 62.316239] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.451579] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.459452] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.472573] ------------[ cut here ]------------ # [ 62.483939] refcount_t: saturated; leaking memory. # [ 62.489324] WARNING: CPU: 1 PID: 2156 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.504935] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.537582] CPU: 1 PID: 2156 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 62.552451] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.559263] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.571322] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 62.598530] RSP: 0018:ffffbf3242b57e38 EFLAGS: 00010282 # [ 62.610581] RAX: 0000000000000[ 72.476414] lkdtm: Performing direct entry STACKLEAK_ERASING 000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.618555[ 72.483890] lkdtm: checking unused part of the thread stack (15928 bytes)... ] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9b[ 72.498011] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) f70 # [ 62.632738] RBP: ffffffffabb8bbd0 R08: 000000000000000[ 72.512006] lkdtm: FAIL: the thread stack is NOT properly erased 0 R09: 0000000000000000 # [ 62.640713] R10: 00000000ffffe000 [ 72.524935] CPU: 0 PID: 2961 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 72.539760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.546564] Call Trace: [ 72.549313] dump_stack+0x77/0x9b [ 72.553018] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.558173] direct_entry.cold+0x2c/0x38 [ 72.562543] full_proxy_write+0x53/0x80 [ 72.566825] vfs_write+0xe7/0x3a0 [ 72.570523] ksys_write+0x68/0xf0 [ 72.574214] do_syscall_64+0x30/0x40 [ 72.578202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.583842] RIP: 0033:0x7f5f3633f8f3 [ 72.587822] 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 [ 72.608810] RSP: 002b:00007ffe488d5718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.617269] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5f3633f8f3 [ 72.625239] RDX: 0000000000000012 RSI: 00007f5f36232000 RDI: 0000000000000001 [ 72.633208] RBP: 00007f5f36232000 R08: 00007f5f36231010 R09: 0000000000000000 [ 72.641177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.649148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.654897] R13: ffffbf3242b57f10 R14: ffffbf3242b57f10 R15: ffff9f6783a5e000 # [ 62.662873] FS: 00007f46fcb19580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 62.678127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.684548] CR2: 00007f46fc922000 CR3: 00000001055b4002 CR4: 00000000003706e0 # [ 62.698730] Call Trace: # [ 62.701464] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.713802] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.726241] direct_entry.cold+0x2c/0x38 # [ 62.736844] full_proxy_write+0x53/0x80 # [ 62.747363] vfs_write+0xe7/0x3a0 # [ 62.757261] ksys_write+0x68/0xf0 # [ 62.767176] do_syscall_64+0x30/0x40 # [ 62.777385] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.789244] RIP: 0033:0x7f46fca2f8f3 # [ 62.793260] 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 # [ 62.820459] RSP: 002b:00007fffd5f2dcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.835114] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f46fca2f8f3 # [ 62.843088] RDX: 000000000000001f RSI: 00007f46fc922000 RDI: 0000000000000001 # [ 62.8572[ 72.782429] lkdtm: Performing direct entry CFI_FORWARD_PROTO 73] RBP: 00007f46fc922000 R08: 00007f46fc921010 R09: 00000000000[ 72.794014] lkdtm: Calling matched prototype ... 00000 # [ 62.865249] R10: fffffffffffffbc5 R11: 0000000000000[ 72.805409] lkdtm: Calling mismatched prototype ... 246 R12: 0000000000000001 # [ 62.879431] R13: 000000000000000[ 72.817071] lkdtm: Fail: survived mismatched prototype function call! 1 R14: 0000000000020000 R15: 0000000000020000 # [ 62.887411] irq event stamp: 0 # [ 62.897026] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.904031] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.919381] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.928521] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.941734] ---[ end trace a1885553bf58b7a0 ]--- # [ 62.946892] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.061277] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.070152] lkdtm: attempting good refcount_dec() # [ 63.075440] lkdtm: attempting bad refcount_dec() to zero # [ 63.081408] ------------[ cut here ]------------ # [ 63.092778] refcount_t: decrement hit 0; leaking memory. # [ 63.104956] WARNING: CPU: 3 PID: 2188 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.114392] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.147040] CPU: 3 PID: 2188 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 63.155719] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.162553] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.168390] Code: 50 79 b2 ab c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 b2 ab c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.189379] RSP: 0018:ffffbf3242b9fe48 EFLAGS: 00010286 # [ 63.195217] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.203191] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 63.211167] RBP: ffffffffabb8bf89 R08: 0000000000000000 R09: 0000000000000000 # [ 63.219140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.227115] R13: ffffbf3242b9ff10 R14: ffffbf3242b9ff10 R15: ffff9f678321f000 # [ 63.235090] FS: 00007f460a2c0580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 63.244133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.250552] CR2: 00007f460a0c9000 CR3: 0000000103ce0001 CR4: 00000000003706e0 # [ 63.258527] Call Trace: # [ 63.261259] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.266253] direct_entry.cold+0x2c/0x38 # [ 63.270660] full_proxy_write+0x53/0x80 # [ 63.274946] vfs_write+0xe7/0x3a0 # [ 63.278672] ksys_write+0x68/0xf0 # [ 63.282379] do_syscall_64+0x30/0x40 # [ 63.286375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.292019] RIP: 0033:0x7f460a1d68f3 # [ 63.296010] 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 # [ 63.317001] RSP: 002b:00007ffebe2c7788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.325461] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f460a1d68f3 # [ 63.339650] RDX: 0000000000000012 RSI: 00007f460a0c9000 RDI: 0000000000000001 # [ 63.347625] RBP: 00007f460a0c9000 R08: 00007f460a0c8010 R09: 0000000000000000 # [ 63.361809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.369783] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.377764] irq event stamp: 0 # [ 63.387380] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.394384] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.403524] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.412662] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.419663] ---[ end trace a1885553bf58b7a1 ]--- # [ 63.424820] 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 # [ 63.535447] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.548138] lkdtm: attempting bad refcount_dec() below zero # [ 63.554381] ------------[ cut here ]------------ # [ 63.559575] refcount_t: decrement hit 0; leaking memory. # [ 63.565569] WARNING: CPU: 3 PID: 2223 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.575007] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.607646] CPU: 3 PID: 2223 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 63.616325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.623145] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.635193] Code: 50 79 b2 ab c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 b2 ab c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.662393] RSP: 0018:ffffbf3242c47e48 EFLAGS: 00010286 # [ 63.668257] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.682444] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 63.690440] RBP: ffffffffabb8bf9b R08: 0000000000000000 R09: 0000000000000000 # [ 63.698426] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.712607] R13: ffffbf3242c47f10 R14: ffffbf3242c47f10 R15: ffff9f67855b5000 # [ 63.720580] FS: 00007f68ec870580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 63.729622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.736041] CR2: 00007f68ec679000 CR3: 00000001027ea006 CR4: 00000000003706e0 # [ 63.744013] Call Trace: # [ 63.746745] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.752123] direct_entry.cold+0x2c/0x38 # [ 63.756529] full_proxy_write+0x53/0x80 # [ 63.760814] vfs_write+0xe7/0x3a0 # [ 63.764540] ksys_write+0x68/0xf0 # [ 63.768240] do_syscall_64+0x30/0x40 # [ 63.772233] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.777877] RIP: 0033:0x7f68ec7868f3 # [ 63.781868] 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 # [ 63.802857] RSP: 002b:00007ffe2f65cb38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.811322] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f68ec7868f3 # [ 63.825510] RDX: 0000000000000016 RSI: 00007f68ec679000 RDI: 0000000000000001 # [ 63.833482] RBP: 00007f68ec679000 R08: 00007f68ec678010 R09: 0000000000000000 # [ 63.841455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.849426] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.857395] irq event stamp: 0 # [ 63.860833] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.867836] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.876975] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.886112] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.893115] ---[ end trace a1885553bf58b7a2 ]--- # [ 63.898271] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.008930] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.016686] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.030010] ------------[ cut here ]------------ # [ 64.041385] refcount_t: underflow; use-after-free. # [ 64.052946] WARNING: CPU: 0 PID: 2258 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.068633] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.101245] CPU: 0 PID: 2258 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 64.116191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.129242] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.141241] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.168432] RSP: 0018:ffffbf3242c0fe40 EFLAGS: 00010286 # [ 64.180505] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.194709] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 # [ 64.208879] RBP: ffffffffabb8bbf0 R08: 0000000000000000 R09: 0000000000000000 # [ 64.223066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.237268] R13: ffffbf3242c0ff10 R14: ffffbf3242c0ff10 R15: ffff9f6784ea7000 # [ 64.251456] FS: 00007f56157dc580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 64.266693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.279356] CR2: 00007f56155e5000 CR3: 0000000104fea003 CR4: 00000000003706f0 # [ 64.293539] Call Trace: # [ 64.302492] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.314849] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.327282] direct_entry.cold+0x2c/0x38 # [ 64.337869] full_proxy_write+0x53/0x80 # [ 64.348376] vfs_write+0xe7/0x3a0 # [ 64.358291] ksys_write+0x68/0xf0 # [ 64.368197] do_syscall_64+0x30/0x40 # [ 64.378390] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.390255] RIP: 0033:0x7f56156f28f3 # [ 64.400476] 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 # [ 64.427690] RSP: 002b:00007ffdb7af3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.442343] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f56156f28f3 # [ 64.456563] RDX: 000000000000001f RSI: 00007f56155e5000 RDI: 0000000000000001 # [ 64.470773] RBP: 00007f56155e5000 R08: 00007f56155e4010 R09: 0000000000000000 # [ 64.484966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.499160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.513392] irq event stamp: 0 # [ 64.523003] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.536210] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.551631] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.566951] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.580170] ---[ end trace a1885553bf58b7a3 ]--- # [ 64.591583] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 64.711211] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.722328] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.735647] ------------[ cut here ]------------ # [ 64.747022] refcount_t: underflow; use-after-free. # [ 64.758600] WARNING: CPU: 1 PID: 2293 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.774234] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.806877] CPU: 1 PID: 2293 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 64.821754] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.834779] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.846829] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.874036] RSP: 0018:ffffbf3242d37e40 EFLAGS: 00010286 # [ 64.886089] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.900280] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 # [ 64.914471] RBP: ffffffffabb8bc10 R08: 0000000000000000 R09: 0000000000000000 # [ 64.928662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.942854] R13: ffffbf3242d37f10 R14: ffffbf3242d37f10 R15: ffff9f6783153000 # [ 64.957044] FS: 00007fa38d230580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 64.972322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.984957] CR2: 00007fa38d039000 CR3: 0000000105c58005 CR4: 00000000003706e0 # [ 64.999148] Call Trace: # [ 65.008097] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.020441] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.032884] direct_entry.cold+0x2c/0x38 # [ 65.043482] full_proxy_write+0x53/0x80 # [ 65.053985] vfs_write+0xe7/0x3a0 # [ 65.063900] ksys_write+0x68/0xf0 # [ 65.073817] do_syscall_64+0x30/0x40 # [ 65.084026] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.095887] RIP: 0033:0x7fa38d1468f3 # [ 65.106095] 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 # [ 65.133322] RSP: 002b:00007fff2a3cc068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.147999] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa38d1468f3 # [ 65.162189] RDX: 000000000000001f RSI: 00007fa38d039000 RDI: 0000000000000001 # [ 65.176380] RBP: 00007fa38d039000 R08: 00007fa38d038010 R09: 0000000000000000 # [ 65.190571] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.204764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.218960] irq event stamp: 0 # [ 65.228583] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.241804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.257160] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.272517] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.285739] ---[ end trace a1885553bf58b7a4 ]--- # [ 65.297112] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 65.418512] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.426676] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.433807] lkdtm: Good: zero detected # [ 65.438010] lkdtm: Correctly stayed at zero # [ 65.442696] lkdtm: attempting bad refcount_inc() from zero # [ 65.448835] ------------[ cut here ]------------ # [ 65.454000] refcount_t: addition on 0; use-after-free. # [ 65.459757] WARNING: CPU: 2 PID: 2325 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.469215] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.501853] CPU: 2 PID: 2325 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 65.510538] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.517351] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.523214] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ab c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 # [ 65.544205] RSP: 0018:ffffbf3242dbfe48 EFLAGS: 00010286 # [ 65.550047] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.558023] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 # [ 65.565998] RBP: ffffffffabb8bfb1 R08: 0000000000000000 R09: 0000000000000000 # [ 65.573972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.581946] R13: ffffbf3242dbff10 R14: ffffbf3242dbff10 R15: ffff9f6784d69000 # [ 65.589922] FS: 00007fd24bd0a580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 65.598964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.605387] CR2: 00007fd24bb13000 CR3: 0000000105662004 CR4: 00000000003706e0 # [ 65.613377] Call Trace: # [ 65.616112] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 65.621108] direct_entry.cold+0x2c/0x38 # [ 65.625523] full_proxy_write+0x53/0x80 # [ 65.629841] vfs_write+0xe7/0x3a0 # [ 65.633572] ksys_write+0x68/0xf0 # [ 65.643481] do_syscall_64+0x30/0x40 # [ 65.647504] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.659353] RIP: 0033:0x7fd24bc208f3 # [ 65.663383] 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 # [ 65.684405] RSP: 002b:00007fff53a38168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.692897] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd24bc208f3 # [ 65.707084] RDX: 0000000000000012 RSI: 00007fd24bb13000 RDI: 0000000000000001 # [ 65.721273] RBP: 00007fd24bb13000 R08: 00007fd24bb12010 R09: 0000000000000000 # [ 65.729245] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.737217] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.745195] irq event stamp: 0 # [ 65.748628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.761863] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.771015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.786378] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.793380] ---[ end trace a1885553bf58b7a5 ]--- # [ 65.798535] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 65.909902] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.921443] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.934759] lkdtm: Good: zero detected # [ 65.945158] lkdtm: Correctly stayed at zero # [ 65.956046] lkdtm: attempting bad refcount_add() from zero # [ 65.968393] ------------[ cut here ]------------ # [ 65.979768] refcount_t: addition on 0; use-after-free. # [ 65.991756] WARNING: CPU: 1 PID: 2357 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.007384] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.040049] CPU: 1 PID: 2357 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.054898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.067922] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.073761] Code: 01 01 e8 ba 6b 98 00 0f 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 ab c6 05 f1 40 94 01 01 e8 97 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 # [ 66.100962] RSP: 0018:ffffbf3242e27e48 EFLAGS: 00010286 # [ 66.106802] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.120987] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 # [ 66.128961] RBP: ffffffffabb8bfc3 R08: 0000000000000000 R09: 0000000000000000 # [ 66.143146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.151121] R13: ffffbf3242e27f10 R14: ffffbf3242e27f10 R15: ffff9f6784cff000 # [ 66.165324] FS: 00007f1b31d85580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 66.180582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.187002] CR2: 00007f1b31b8e000 CR3: 0000000104d34005 CR4: 00000000003706e0 # [ 66.201189] Call Trace: # [ 66.203923] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.215095] direct_entry.cold+0x2c/0x38 # [ 66.225693] full_proxy_write+0x53/0x80 # [ 66.236194] vfs_write+0xe7/0x3a0 # [ 66.246112] ksys_write+0x68/0xf0 # [ 66.256033] do_syscall_64+0x30/0x40 # [ 66.266238] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.278098] RIP: 0033:0x7f1b31c9b8f3 # [ 66.288324] 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 # [ 66.315521] RSP: 002b:00007ffc3bc921c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.330193] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1b31c9b8f3 # [ 66.344380] RDX: 0000000000000012 RSI: 00007f1b31b8e000 RDI: 0000000000000001 # [ 66.358569] RBP: 00007f1b31b8e000 R08: 00007f1b31b8d010 R09: 0000000000000000 # [ 66.372757] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.386946] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.401138] irq event stamp: 0 # [ 66.410760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.423980] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.439337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.454696] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.467915] ---[ end trace a1885553bf58b7a6 ]--- # [ 66.479291] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 66.599220] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.608877] lkdtm: attempting bad refcount_inc() from saturated # [ 66.621712] ------------[ cut here ]------------ # [ 66.633102] refcount_t: saturated; leaking memory. # [ 66.644728] WARNING: CPU: 0 PID: 2392 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.660363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.693059] CPU: 0 PID: 2392 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.707932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.720959] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.733013] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 66.760196] RSP: 0018:ffffbf3242ebfe48 EFLAGS: 00010286 # [ 66.772271] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.786475] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 # [ 66.800705] RBP: ffffffffabb8bfd5 R08: 0000000000000000 R09: 0000000000000000 # [ 66.814846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.829027] R13: ffffbf3242ebff10 R14: ffffbf3242ebff10 R15: ffff9f6785423000 # [ 66.843242] FS: 00007ff516ed7580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 66.858487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.871099] CR2: 00007ff516ce0000 CR3: 0000000105c14001 CR4: 00000000003706f0 # [ 66.885288] Call Trace: # [ 66.894237] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 66.905930] direct_entry.cold+0x2c/0x38 # [ 66.916515] full_proxy_write+0x53/0x80 # [ 66.927022] vfs_write+0xe7/0x3a0 # [ 66.936949] ksys_write+0x68/0xf0 # [ 66.946860] do_syscall_64+0x30/0x40 # [ 66.957069] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.968939] RIP: 0033:0x7ff516ded8f3 # [ 66.979141] 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 # [ 67.006342] RSP: 002b:00007ffc83474378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.021031] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff516ded8f3 # [ 67.035228] RDX: 0000000000000017 RSI: 00007ff516ce0000 RDI: 0000000000000001 # [ 67.049411] RBP: 00007ff516ce0000 R08: 00007ff516cdf010 R09: 0000000000000000 # [ 67.063608] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.077791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.091988] irq event stamp: 0 # [ 67.101615] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.114831] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.130193] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.145546] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.158774] ---[ end trace a1885553bf58b7a7 ]--- # [ 67.170179] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.326164] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.338201] lkdtm: attempting bad refcount_dec() from saturated # [ 67.351053] ------------[ cut here ]------------ # [ 67.362398] refcount_t: decrement hit 0; leaking memory. # [ 67.374580] WARNING: CPU: 1 PID: 2427 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.390196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.422844] CPU: 1 PID: 2427 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 67.437714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.450745] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.462797] Code: 50 79 b2 ab c6 05 81 40 94 01 01 e8 2a 6b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 20 79 b2 ab c6 05 68 40 94 01 01 e8 10 6b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.490005] RSP: 0018:ffffbf3242f1fe48 EFLAGS: 00010286 # [ 67.502064] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.516251] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 # [ 67.530439] RBP: ffffffffabb8bfec R08: 0000000000000000 R09: 0000000000000000 # [ 67.538414] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.552622] R13: ffffbf3242f1ff10 R14: ffffbf3242f1ff10 R15: ffff9f6784fe7000 # [ 67.566816] FS: 00007fb38319c580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 67.582053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.588474] CR2: 00007fb382fa5000 CR3: 0000000102796005 CR4: 00000000003706e0 # [ 67.602660] Call Trace: # [ 67.605396] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.617054] direct_entry.cold+0x2c/0x38 # [ 67.627652] full_proxy_write+0x53/0x80 # [ 67.638155] vfs_write+0xe7/0x3a0 # [ 67.648070] ksys_write+0x68/0xf0 # [ 67.657989] do_syscall_64+0x30/0x40 # [ 67.668198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.680060] RIP: 0033:0x7fb3830b28f3 # [ 67.690269] 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 # [ 67.711259] RSP: 002b:00007ffe80ddb6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.725930] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb3830b28f3 # [ 67.733905] RDX: 0000000000000017 RSI: 00007fb382fa5000 RDI: 0000000000000001 # [ 67.748090] RBP: 00007fb382fa5000 R08: 00007fb382fa4010 R09: 0000000000000000 # [ 67.756065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.770250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.784465] irq event stamp: 0 # [ 67.794068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.801072] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.816424] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.825565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.838779] ---[ end trace a1885553bf58b7a8 ]--- # [ 67.843940] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 67.970145] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 67.980903] lkdtm: attempting bad refcount_dec() from saturated # [ 67.993737] ------------[ cut here ]------------ # [ 68.005127] refcount_t: saturated; leaking memory. # [ 68.016702] WARNING: CPU: 0 PID: 2462 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.032345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.065009] CPU: 0 PID: 2462 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 68.079887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.092897] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.104996] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 25 41 94 01 00 75 ee 48 c7 c7 a0 78 b2 ab c6 05 15 41 94 01 01 e8 ba 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 41 94 01 00 75 cb 48 c7 c7 c8 78 b2 # [ 68.132172] RSP: 0018:ffffbf3242ef7e48 EFLAGS: 00010286 # [ 68.144247] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.158429] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 # [ 68.172685] RBP: ffffffffabb8c003 R08: 0000000000000000 R09: 0000000000000000 # [ 68.186810] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.200984] R13: ffffbf3242ef7f10 R14: ffffbf3242ef7f10 R15: ffff9f6784d8c000 # [ 68.215197] FS: 00007fcaae8e5580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 68.230475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.243088] CR2: 00007fcaae6ee000 CR3: 0000000105c14006 CR4: 00000000003706f0 # [ 68.257301] Call Trace: # [ 68.266272] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.277901] direct_entry.cold+0x2c/0x38 # [ 68.288470] full_proxy_write+0x53/0x80 # [ 68.298965] vfs_write+0xe7/0x3a0 # [ 68.308869] ksys_write+0x68/0xf0 # [ 68.318787] do_syscall_64+0x30/0x40 # [ 68.329016] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.340894] RIP: 0033:0x7fcaae7fb8f3 # [ 68.351069] 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 # [ 68.378305] RSP: 002b:00007ffc344352b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.393019] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fcaae7fb8f3 # [ 68.407177] RDX: 0000000000000017 RSI: 00007fcaae6ee000 RDI: 0000000000000001 # [ 68.421416] RBP: 00007fcaae6ee000 R08: 00007fcaae6ed010 R09: 0000000000000000 # [ 68.435596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.449852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.464064] irq event stamp: 0 # [ 68.473627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.486846] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.502209] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.517551] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.530803] ---[ end trace a1885553bf58b7a9 ]--- # [ 68.542159] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 68.671016] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.679922] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.693629] ------------[ cut here ]------------ # [ 68.704995] refcount_t: saturated; leaking memory. # [ 68.710390] WARNING: CPU: 1 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.725986] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.758627] CPU: 1 PID: 2494 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 68.767281] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.780322] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.792397] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 68.819582] RSP: 0018:ffffbf3243097e38 EFLAGS: 00010282 # [ 68.831634] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.839608] RDX: ffff9f67facac660 RSI: ffff9f67fac9bf70 RDI: ffff9f67fac9bf70 # [ 68.853792] RBP: ffffffffabb8bc30 R08: 0000000000000000 R09: 0000000000000000 # [ 68.861767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.875952] R13: ffffbf3243097f10 R14: ffffbf3243097f10 R15: ffff9f6785727000 # [ 68.883927] FS: 00007efcaa0c8580(0000) GS:ffff9f67fac80000(0000) knlGS:0000000000000000 # [ 68.899182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.905604] CR2: 00007efca9ed1000 CR3: 0000000103c06006 CR4: 00000000003706e0 # [ 68.919788] Call Trace: # [ 68.928738] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.941082] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.953620] direct_entry.cold+0x2c/0x38 # [ 68.958002] full_proxy_write+0x53/0x80 # [ 68.968497] vfs_write+0xe7/0x3a0 # [ 68.978410] ksys_write+0x68/0xf0 # [ 68.988329] do_syscall_64+0x30/0x40 # [ 68.998536] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.010397] RIP: 0033:0x7efca9fde8f3 # [ 69.020604] 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 # [ 69.041597] RSP: 002b:00007ffc50f0bef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.056303] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007efca9fde8f3 # [ 69.070459] RDX: 0000000000000020 RSI: 00007efca9ed1000 RDI: 0000000000000001 # [ 69.078434] RBP: 00007efca9ed1000 R08: 00007efca9ed0010 R09: 0000000000000000 # [ 69.092618] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.100593] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.114780] irq event stamp: 0 # [ 69.124402] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.131407] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.146754] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.155894] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.169106] ---[ end trace a1885553bf58b7aa ]--- # [ 69.174264] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.305337] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.318317] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.325813] ------------[ cut here ]------------ # [ 69.330997] refcount_t: saturated; leaking memory. # [ 69.342568] WARNING: CPU: 3 PID: 2526 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.358202] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.384667] CPU: 3 PID: 2526 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.399553] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.406379] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.418420] Code: 01 01 e8 97 6b 98 00 0f 0b c3 cc cc cc cc 80 3d e0 40 94 01 00 75 a8 48 c7 c7 a0 78 b2 ab c6 05 d0 40 94 01 01 e8 74 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 # [ 69.439436] RSP: 0018:ffffbf3243137e38 EFLAGS: 00010282 # [ 69.445276] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.453250] RDX: ffff9f67fadac660 RSI: ffff9f67fad9bf70 RDI: ffff9f67fad9bf70 # [ 69.461225] RBP: ffffffffabb8bc50 R08: 0000000000000000 R09: 0000000000000000 # [ 69.469201] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.477176] R13: ffffbf3243137f10 R14: ffffbf3243137f10 R15: ffff9f6783b6c000 # [ 69.485149] FS: 00007f4203f2c580(0000) GS:ffff9f67fad80000(0000) knlGS:0000000000000000 # [ 69.494192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.500613] CR2: 00007f4203d35000 CR3: 0000000105414002 CR4: 00000000003706e0 # [ 69.508586] Call Trace: # [ 69.511326] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.523669] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.530023] direct_entry.cold+0x2c/0x38 # [ 69.534407] full_proxy_write+0x53/0x80 # [ 69.538722] vfs_write+0xe7/0x3a0 # [ 69.542457] ksys_write+0x68/0xf0 # [ 69.546190] do_syscall_64+0x30/0x40 # [ 69.550216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.555888] RIP: 0033:0x7f4203e428f3 # [ 69.559881] 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 # [ 69.580898] RSP: 002b:00007ffd16cea438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.589371] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4203e428f3 # [ 69.597344] RDX: 0000000000000020 RSI: 00007f4203d35000 RDI: 0000000000000001 # [ 69.605339] RBP: 00007f4203d35000 R08: 00007f4203d34010 R09: 0000000000000000 # [ 69.613337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.621312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.635506] irq event stamp: 0 # [ 69.645125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.652129] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.661268] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.670406] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.677406] ---[ end trace a1885553bf58b7ab ]--- # [ 69.682561] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 69.807959] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.820444] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.834156] ------------[ cut here ]------------ # [ 69.845542] refcount_t: underflow; use-after-free. # [ 69.857122] WARNING: CPU: 0 PID: 2561 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.872768] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.905424] CPU: 0 PID: 2561 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.920293] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.933323] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.945455] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.972747] RSP: 0018:ffffbf324319fe40 EFLAGS: 00010286 # [ 69.984782] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 69.998959] RDX: ffff9f67fac2c660 RSI: ffff9f67fac1bf70 RDI: ffff9f67fac1bf70 # [ 70.013177] RBP: ffffffffabb8bc70 R08: 0000000000000000 R09: 0000000000000000 # [ 70.027407] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.041564] R13: ffffbf324319ff10 R14: ffffbf324319ff10 R15: ffff9f6785421000 # [ 70.055804] FS: 00007f6cf8ac2580(0000) GS:ffff9f67fac00000(0000) knlGS:0000000000000000 # [ 70.071011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.083671] CR2: 00007f6cf88cb000 CR3: 0000000105710004 CR4: 00000000003706f0 # [ 70.097838] Call Trace: # [ 70.106826] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.119158] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.131709] direct_entry.cold+0x2c/0x38 # [ 70.142321] full_proxy_write+0x53/0x80 # [ 70.152797] vfs_write+0xe7/0x3a0 # [ 70.162706] ksys_write+0x68/0xf0 # [ 70.172633] do_syscall_64+0x30/0x40 # [ 70.182831] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.194690] RIP: 0033:0x7f6cf89d88f3 # [ 70.204903] 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 # [ 70.232115] RSP: 002b:00007fff6016e5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.246813] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6cf89d88f3 # [ 70.260983] RDX: 0000000000000020 RSI: 00007f6cf88cb000 RDI: 0000000000000001 # [ 70.275175] RBP: 00007f6cf88cb000 R08: 00007f6cf88ca010 R09: 0000000000000000 # [ 70.289362] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.303560] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.317757] irq event stamp: 0 # [ 70.327411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.340615] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.355972] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.371364] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.384596] ---[ end trace a1885553bf58b7ac ]--- # [ 70.395968] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.527624] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.540004] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.547551] ------------[ cut here ]------------ # [ 70.552720] refcount_t: underflow; use-after-free. # [ 70.564299] WARNING: CPU: 2 PID: 2596 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.579925] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.612571] CPU: 2 PID: 2596 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 70.621255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.628065] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.633924] Code: 01 01 e8 74 6b 98 00 0f 0b c3 cc cc cc cc 80 3d ba 40 94 01 00 75 85 48 c7 c7 f8 78 b2 ab c6 05 aa 40 94 01 01 e8 51 6b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 95 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.654930] RSP: 0018:ffffbf32431f7e40 EFLAGS: 00010286 # [ 70.666971] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.674944] RDX: ffff9f67fad2c660 RSI: ffff9f67fad1bf70 RDI: ffff9f67fad1bf70 # [ 70.682917] RBP: ffffffffabb8bc90 R08: 0000000000000000 R09: 0000000000000000 # [ 70.690890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.698861] R13: ffffbf32431f7f10 R14: ffffbf32431f7f10 R15: ffff9f6785650000 # [ 70.706834] FS: 00007fc0477fa580(0000) GS:ffff9f67fad00000(0000) knlGS:0000000000000000 # [ 70.715877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.722316] CR2: 00007fc047603000 CR3: 0000000104e7c004 CR4: 00000000003706e0 # [ 70.730289] Call Trace: # [ 70.733038] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.739197] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.745545] direct_entry.cold+0x2c/0x38 # [ 70.749951] full_proxy_write+0x53/0x80 # [ 70.754235] vfs_write+0xe7/0x3a0 # [ 70.757960] ksys_write+0x68/0xf0 # [ 70.761661] do_syscall_64+0x30/0x40 # [ 70.765651] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.771312] RIP: 0033:0x7fc0477108f3 # [ 70.775313] 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 # [ 70.802507] RSP: 002b:00007ffca5333218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.810966] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc0477108f3 # [ 70.818939] RDX: 0000000000000020 RSI: 00007fc047603000 RDI: 0000000000000001 # [ 70.826912] RBP: 00007fc047603000 R08: 00007fc047602010 R09: 0000000000000000 # [ 70.834884] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.842858] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.850838] irq event stamp: 0 # [ 70.860458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.873677] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.882817] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.891957] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.898961] ---[ end trace a1885553bf58b7ad ]--- # [ 70.904118] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.086040] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.096985] lkdtm: attempting good copy_to_user of correct size # [ 71.109823] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.238590] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.247947] lkdtm: attempting good copy_from_user of correct size # [ 71.254772] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 71.379410] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.386986] lkdtm: attempting good copy_to_user inside whitelist # [ 71.393752] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 71.515982] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.525980] lkdtm: attempting good copy_from_user inside whitelist # [ 71.532895] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 71.667741] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.677320] lkdtm: good_stack: ffffbf3243567e20-ffffbf3243567e40 # [ 71.690272] lkdtm: bad_stack : ffffbf3243567da8-ffffbf3243567dc8 # [ 71.696999] lkdtm: attempting good copy_to_user of local stack # [ 71.709720] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 71.836008] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 71.847818] lkdtm: good_stack: ffffbf32435f7e20-ffffbf32435f7e40 # [ 71.860743] lkdtm: bad_stack : ffffbf32435f7da8-ffffbf32435f7dc8 # [ 71.873694] lkdtm: attempting good copy_from_user of local stack # [ 71.886594] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.015853] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.024579] lkdtm: good_stack: ffffbf3243697e20-ffffbf3243697e40 # [ 72.037506] lkdtm: bad_stack : ffffbf3243697ff8-ffffbf3243698018 # [ 72.050443] lkdtm: attempting good copy_to_user of local stack # [ 72.063244] lkdtm: attempting bad copy_to_user of distant stack # [ 72.076068] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.228129] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.237292] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffab79c210 # [ 72.245972] lkdtm: attempting bad copy_to_user from kernel text: ffffffffaa4e31f0 # [ 72.260529] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 72.476414] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.483890] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.498011] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.512006] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.524935] CPU: 0 PID: 2961 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 72.539760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.546564] Call Trace: # [ 72.549313] dump_stack+0x77/0x9b # [ 72.553018] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.558173] direct_entry.cold+0x2c/0x38 # [ 72.562543] full_proxy_write+0x53/0x80 # [ 72.566825] vfs_write+0xe7/0x3a0 # [ 72.570523] ksys_write+0x68/0xf0 # [ 72.574214] do_syscall_64+0x30/0x40 # [ 72.578202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.583842] RIP: 0033:0x7f5f3633f8f3 # [ 72.587822] 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 # [ 72.608810] RSP: 002b:00007ffe488d5718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.617269] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5f3633f8f3 # [ 72.625239] RDX: 0000000000000012 RSI: 00007f5f36232000 RDI: 0000000000000001 # [ 72.633208] RBP: 00007f5f36232000 R08: 00007f5f36231010 R09: 0000000000000000 # [ 72.641177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.649148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 72.782429] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.794014] lkdtm: Calling matched prototype ... # [ 72.805409] lkdtm: Calling mismatched prototype ... # [ 72.817071] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #