[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 34005 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 228 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376080 run 170332 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8974 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8969 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 8976 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 8975 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8976 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90988 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107783 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 14159 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 14160 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 22379 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 53541 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 13861 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 11324 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 9270 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 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 10051 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466175 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486285 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 826084 exit 39240 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114219 exit 31 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 231 run 139312 exit 18730 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 30872 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2251 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5969 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 5969 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23492 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 23843 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24458 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-10-05 11:51:31 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-05 11:51:31 UTC ELOG: Event(92) added with size 9 at 2022-10-05 11:51:31 UTC ELOG: Event(9A) added with size 9 at 2022-10-05 11:51:31 UTC ELOG: Event(AD) added with size 10 at 2022-10-05 11:51:31 UTC ELOG: Event(9F) added with size 14 at 2022-10-05 11:51:31 UTC BS: BS_DEV_INIT times (us): entry 0 run 417253 exit 60040 ELOG: Event(A1) added with size 10 at 2022-10-05 11:51:31 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-05 11:51:31 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 25570 run 3969 exit 5205 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 3d89 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 534010 exit 146858 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 608 run 261906 exit 135689 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 7510458/tftp-deploy-7yirxf9k/kernel/bzImage 7510458/tftp-deploy-7yirxf9k/kernel/cmdline 7510458/tftp-deploy-7yirxf9k/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7510458/tftp-deploy-7yirxf9k/kernel/bzImoy-7yirxf9k/kernel/cmdline 7510458/tftp-deploy-7yirxf9k/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7510458/tftp-deploy-7yirxf9k/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 13867232 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: 7510458/tftp-deploy-7yirxf9k/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/7510458/extract-nfsrootfs-x8xgrgm1,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: 21379092 Starting kernel ... [ 0.000000] Linux version 5.10.147-cip17 (KernelCI@build-j264577-x86-64-gcc-10-x86-64-defconfig-x86-chromeboodfnds) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Oct 5 11:47:03 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/7510458/extract-nfsrootfs-x8xgrgm1,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 [ 0.000059] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001408] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007249] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026232] check: Scanning 1 areas for low memory corruption [ 0.026245] Using GB pages for direct mapping [ 0.026916] RAMDISK: [mem 0x377c4000-0x37ffffff] [ 0.026923] ACPI: Early table checksum verification disabled [ 0.026931] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026945] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026962] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026978] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026991] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027003] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027015] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027029] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027042] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027054] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027067] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027080] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027092] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027105] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027117] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027123] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027127] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027132] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027137] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027142] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027147] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027152] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027157] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027161] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027166] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027171] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027311] No NUMA configuration found [ 0.027316] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027326] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027373] Zone ranges: [ 0.027378] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027386] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027393] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027401] Movable zone start for each node [ 0.027406] Early memory node ranges [ 0.027411] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027416] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027421] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027428] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027464] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027510] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038945] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039028] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039055] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039572] ACPI: PM-Timer IO Port: 0x1808 [ 0.039629] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039644] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039652] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039674] Using ACPI (MADT) for SMP configuration information [ 0.039681] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039689] TSC deadline timer available [ 0.039694] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039725] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039732] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039738] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039743] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039747] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039752] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039756] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039761] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039765] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039770] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039775] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039779] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039784] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039788] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039793] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039801] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039809] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054416] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054727] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054813] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054819] Policy zone: Normal [ 0.054833] 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/7510458/extract-nfsrootfs-x8xgrgm1,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055383] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055645] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055741] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078021] Memory: 3888352K/4089052K available (18450K kernel code, 3458K rwdata, 6764K rodata, 2032K init, 13308K bss, 200440K reserved, 0K cma-reserved) [ 0.078184] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078248] Kernel/User page tables isolation: enabled [ 0.078334] ftrace: allocating 52740 entries in 207 pages [ 0.138683] ftrace: allocated 207 pages with 6 groups [ 0.138983] Running RCU self tests [ 0.139000] rcu: Hierarchical RCU implementation. [ 0.139005] rcu: RCU event tracing is enabled. [ 0.139009] rcu: RCU lockdep checking is enabled. [ 0.139014] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.139019] Rude variant of Tasks RCU enabled. [ 0.139023] Tracing variant of Tasks RCU enabled. [ 0.139028] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.139033] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.149527] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.150009] random: crng init done [ 0.150124] Console: colour dummy device 80x25 [ 0.225350] printk: console [ttyS0] enabled [ 0.225719] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.226381] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.226742] ... MAX_LOCK_DEPTH: 48 [ 0.227109] ... MAX_LOCKDEP_KEYS: 8192 [ 0.227492] ... CLASSHASH_SIZE: 4096 [ 0.227874] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.228264] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.228652] ... CHAINHASH_SIZE: 32768 [ 0.229042] memory used by lock dependency info: 6365 kB [ 0.229510] memory used for stack traces: 4224 kB [ 0.229929] per task-struct memory footprint: 1920 bytes [ 0.230459] ACPI: Core revision 20200925 [ 0.231065] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.231566] APIC: Switch to symmetric I/O mode setup [ 0.236009] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.236931] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.237837] pid_max: default: 32768 minimum: 301 [ 0.237912] LSM: Security Framework initializing [ 0.237912] SELinux: Initializing. [ 0.237912] LSM support for eBPF active [ 0.237912] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237912] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237912] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.237912] process: using mwait in idle threads [ 0.237912] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.237912] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.237912] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.237912] Spectre V2 : Mitigation: IBRS [ 0.237912] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.237912] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.237912] RETBleed: Mitigation: IBRS [ 0.237912] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.237912] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.237912] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237912] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237912] SRBDS: Vulnerable: No microcode [ 0.237912] ------------[ cut here ]------------ [ 0.237912] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.237912] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.237912] Modules linked in: [ 0.237912] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.147-cip17 #1 [ 0.237912] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.237912] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.237912] 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 f8 01 cc b1 c6 05 9d 49 e4 01 01 e8 76 8a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.237912] RSP: 0000:ffffffffb2003de0 EFLAGS: 00010282 [ 0.237912] RAX: 0000000000000000 RBX: ffffffffb2ad2ad4 RCX: 0000000000000000 [ 0.237912] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb057a891 [ 0.237912] RBP: ffffffffb199b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.237912] R10: ffffffffb208fbc0 R11: 3fffffffffffffff R12: ffffffffb2ae9c44 [ 0.237912] R13: cccccccccccccccc R14: ffffffffb199b325 R15: 0000000000000004 [ 0.237912] FS: 0000000000000000(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 [ 0.237912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.237912] CR2: ffff924b3efff000 CR3: 0000000057e26001 CR4: 00000000003706f0 [ 0.237912] Call Trace: [ 0.237912] alternative_instructions+0x7d/0x143 [ 0.237912] check_bugs+0xedd/0xf39 [ 0.237912] start_kernel+0x517/0x54d [ 0.237912] secondary_startup_64_no_verify+0xc2/0xcb [ 0.237912] irq event stamp: 162073 [ 0.237912] hardirqs last enabled at (162081): [] console_unlock+0x4d1/0x5f0 [ 0.237912] hardirqs last disabled at (162088): [] console_unlock+0x444/0x5f0 [ 0.237912] softirqs last enabled at (1816): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.237912] softirqs last disabled at (1814): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.237912] ---[ end trace 0d22e6cf039e283d ]--- [ 0.237912] # Freeing SMP alternatives memory: 44K [ 0.237912] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.238859] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.238931] ... version: 4 [ 0.239289] ... bit width: 48 [ 0.239652] ... generic registers: 4 [ 0.239920] ... value mask: 0000ffffffffffff [ 0.240385] ... max period: 00007fffffffffff [ 0.240849] ... fixed-purpose events: 3 [ 0.240920] ... event mask: 000000070000000f [ 0.242069] rcu: Hierarchical SRCU implementation. [ 0.245007] smp: Bringing up secondary CPUs ... [ 0.246462] x86: Booting SMP configuration: [ 0.246860] .... node #0, CPUs: #1 [ 0.247422] 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. [ 0.248922] 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. [ 0.250812] #2 #3 [ 0.253628] smp: Brought up 1 node, 4 CPUs [ 0.254294] smpboot: Max logical packages: 1 [ 0.254675] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.257926] devtmpfs: initialized [ 0.258681] x86/mm: Memory block size: 128MB [ 0.264090] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.264945] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266122] pinctrl core: initialized pinctrl subsystem [ 0.267039] PM: RTC time: 11:51:48, date: 2022-10-05 [ 0.268223] NET: Registered protocol family 16 [ 0.269655] audit: initializing netlink subsys (disabled) [ 0.269986] audit: type=2000 audit(1664970708.033:1): state=initialized audit_enabled=0 res=1 [ 0.271073] thermal_sys: Registered thermal governor 'step_wise' [ 0.271080] thermal_sys: Registered thermal governor 'user_space' [ 0.271734] cpuidle: using governor menu [ 0.272352] ACPI: bus type PCI registered [ 0.273421] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.273927] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.274558] PCI: Using configuration type 1 for base access [ 0.306289] Kprobes globally optimized [ 0.307071] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.307537] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.308178] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.312070] ACPI: Added _OSI(Module Device) [ 0.312447] ACPI: Added _OSI(Processor Device) [ 0.312844] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.312934] ACPI: Added _OSI(Processor Aggregator Device) [ 0.313411] ACPI: Added _OSI(Linux-Dell-Video) [ 0.313808] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.313923] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.331404] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.342895] ACPI: EC: EC started [ 0.342918] ACPI: EC: interrupt blocked [ 0.344301] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.344752] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.344921] ACPI: Interpreter enabled [ 0.345346] ACPI: (supports S0 S3 S4 S5) [ 0.345699] ACPI: Using IOAPIC for interrupt routing [ 0.346030] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.370530] ACPI: Power Resource [PRIC] (on) [ 0.509240] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.509795] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.510372] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.511019] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.512855] PCI host bridge to bus 0000:00 [ 0.512927] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.513520] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.513924] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.514573] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.514922] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.515571] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.515923] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.516571] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.516922] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.517571] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.517922] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.518571] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.518923] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.519572] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.519922] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.520571] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.520923] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.521572] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.521923] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.522571] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.522924] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.523522] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.525449] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.525953] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.526562] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.526934] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.528402] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.528955] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.530694] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.530955] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.532530] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.532967] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.533740] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.535089] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.535658] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.536942] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.537521] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.539129] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.539704] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.541169] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.541747] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.541961] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.543720] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.543975] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.545825] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.546166] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.547858] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.547983] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.549792] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.549976] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.551768] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.551972] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.553941] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.554513] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.556087] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.557776] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.557959] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.559650] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.559973] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.560629] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.561054] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.562717] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.562992] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.563662] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.565016] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.565579] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.567701] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.568867] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.573521] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.576467] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.576931] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.579506] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.580352] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.581347] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582341] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.583335] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.584333] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.585333] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.586334] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.595314] ACPI: EC: interrupt unblocked [ 0.595689] ACPI: EC: event unblocked [ 0.595921] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.596374] ACPI: EC: GPE=0x6e [ 0.596660] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.596925] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.598190] iommu: Default domain type: Translated [ 0.599186] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.599569] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.599952] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.600455] vgaarb: loaded [ 0.601441] SCSI subsystem initialized [ 0.602237] ACPI: bus type USB registered [ 0.602773] usbcore: registered new interface driver usbfs [ 0.603010] usbcore: registered new interface driver hub [ 0.603533] usbcore: registered new device driver usb [ 0.604098] pps_core: LinuxPPS API ver. 1 registered [ 0.604537] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.604936] PTP clock support registered [ 0.606041] Advanced Linux Sound Architecture Driver Initialized. [ 0.607929] NetLabel: Initializing [ 0.608239] NetLabel: domain hash size = 128 [ 0.608626] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.609023] NetLabel: unlabeled traffic allowed by default [ 0.609633] PCI: Using ACPI for IRQ routing [ 0.617860] clocksource: Switched to clocksource tsc-early [ 1.162584] VFS: Disk quotas dquot_6.6.0 [ 1.163028] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.164176] pnp: PnP ACPI init [ 1.165558] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.166171] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.166754] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.167356] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.167958] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.168541] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.169174] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.169782] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.170383] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.170986] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.172820] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.173891] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.174782] system 00:04: [io 0x0200] has been reserved [ 1.175280] system 00:04: [io 0x0204] has been reserved [ 1.175754] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.176298] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.180437] pnp: PnP ACPI: found 6 devices [ 1.198238] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.199179] NET: Registered protocol family 2 [ 1.199766] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.202451] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.203370] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.204349] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.207281] TCP: Hash tables configured (established 32768 bind 32768) [ 1.208265] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.209281] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.210202] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.211323] NET: Registered protocol family 1 [ 1.212629] RPC: Registered named UNIX socket transport module. [ 1.213205] RPC: Registered udp transport module. [ 1.213623] RPC: Registered tcp transport module. [ 1.214059] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.215350] NET: Registered protocol family 44 [ 1.215769] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.216254] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.216864] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.217421] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.218051] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.218649] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.219266] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.219865] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.220480] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.221104] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.221711] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.222333] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.223009] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.223613] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.224237] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.224843] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.225465] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.226089] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.226696] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.227318] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.227957] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.228563] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.229186] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.230390] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.233767] PCI: CLS 64 bytes, default 64 [ 1.234621] Unpacking initramfs... [ 1.606562] Freeing initrd memory: 8432K [ 1.607018] DMAR: Host address width 39 [ 1.607397] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.607995] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.608723] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.609290] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.609794] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.610612] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.611191] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.612151] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.612835] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.613375] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.613870] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.614424] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.614935] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.617700] kvm: already loaded the other module [ 1.636168] check: Scanning for low memory corruption every 60 seconds [ 1.640978] Initialise system trusted keyrings [ 1.641699] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.668798] NFS: Registering the id_resolver key type [ 1.669310] Key type id_resolver registered [ 1.669713] Key type id_legacy registered [ 1.692416] Key type asymmetric registered [ 1.692816] Asymmetric key parser 'x509' registered [ 1.693337] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.694015] io scheduler mq-deadline registered [ 1.694418] io scheduler kyber registered [ 1.695072] test_firmware: interface ready [ 1.697477] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.699672] ACPI: AC Adapter [AC] (on-line) [ 1.700581] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.702553] ACPI: Lid Switch [LID0] [ 1.703255] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.704278] ACPI: Power Button [PWRF] [ 1.705182] ACPI: \_PR_.CP00: Found 3 idle states [ 1.706538] ACPI: \_PR_.CP01: Found 3 idle states [ 1.707767] ACPI: \_PR_.CP02: Found 3 idle states [ 1.709162] ACPI: \_PR_.CP03: Found 3 idle states [ 1.711201] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.716319] hpet_acpi_add: no address or irqs in _CRS [ 1.717270] Non-volatile memory driver v1.3 [ 1.718028] Linux agpgart interface v0.103 [ 1.718215] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.722260] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.775508] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.776900] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.777854] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.779076] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.816543] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.821489] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.845310] loop: module loaded [ 1.846692] lkdtm: No crash points registered, enable through debugfs [ 1.878903] printk: console [ttyS0] disabled [ 1.880318] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.636093] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.640966] printk: console [ttyS0] enabled [ 2.649384] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.680789] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.324283] clocksource: Switched to clocksource tsc [ 5.324463] fbcon: i915drmfb (fb0) is primary device [ 5.327089] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.337259] e100: Intel(R) PRO/100 Network Driver [ 5.337264] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.337343] e1000: Intel(R) PRO/1000 Network Driver [ 5.337346] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.337443] e1000e: Intel(R) PRO/1000 Network Driver [ 5.337446] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.337547] sky2: driver version 1.30 [ 5.337972] usbcore: registered new interface driver r8152 [ 5.338574] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.338604] ehci-pci: EHCI PCI platform driver [ 5.338704] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.338732] ohci-pci: OHCI PCI platform driver [ 5.338831] uhci_hcd: USB Universal Host Controller Interface driver [ 5.339434] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.340723] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.342043] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.343733] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.343818] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.346692] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.346720] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.346726] usb usb1: Product: xHCI Host Controller [ 5.346730] usb usb1: Manufacturer: Linux 5.10.147-cip17 xhci-hcd [ 5.346735] usb usb1: SerialNumber: 0000:00:14.0 [ 5.349631] hub 1-0:1.0: USB hub found [ 5.350093] hub 1-0:1.0: 12 ports detected [ 5.357225] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.357798] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.357872] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.358670] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.358746] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.358750] usb usb2: Product: xHCI Host Controller [ 5.358754] usb usb2: Manufacturer: Linux 5.10.147-cip17 xhci-hcd [ 5.358759] usb usb2: SerialNumber: 0000:00:14.0 [ 5.360752] hub 2-0:1.0: USB hub found [ 5.360892] hub 2-0:1.0: 6 ports detected [ 5.364088] usbcore: registered new interface driver usblp [ 5.364201] usbcore: registered new interface driver usb-storage [ 5.364862] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.365057] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.365062] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.365871] i8042: Warning: Keylock active [ 5.366151] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.367026] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.368842] rtc_cmos 00:02: RTC can wake from S4 [ 5.369124] Console: switching to colour frame buffer device 240x67 [ 5.371520] rtc_cmos 00:02: registered as rtc0 [ 5.371793] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.372018] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.373130] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.373180] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.374504] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.379006] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.379061] intel_pstate: Intel P-state driver initializing [ 5.380328] intel_pstate: HWP enabled [ 5.380377] sdhci: Secure Digital Host Controller Interface driver [ 5.380378] sdhci: Copyright(c) Pierre Ossman [ 5.380430] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.382098] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.382301] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.383686] hid: raw HID events driver (C) Jiri Kosina [ 5.388909] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.395077] usbcore: registered new interface driver usbhid [ 5.477861] 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 [ 5.479037] usbhid: USB HID core driver [ 5.481421] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.607974] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.621745] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.750133] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.756991] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.760153] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.870084] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.883475] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.883977] netem: version 1.3 [ 5.884109] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.884467] gre: GRE over IPv4 demultiplexor driver [ 5.884468] ip_gre: GRE over IPv4 tunneling driver [ 5.885448] IPv4 over IPsec tunneling driver [ 5.885746] Initializing XFRM netlink socket [ 5.886398] NET: Registered protocol family 10 [ 5.887401] Segment Routing with IPv6 [ 5.899456] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.905584] ip6_gre: GRE over IPv6 tunneling driver [ 5.907873] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.907876] usb 2-3: Product: USB 10/100/1000 LAN [ 5.907878] usb 2-3: Manufacturer: Realtek [ 5.907881] usb 2-3: SerialNumber: 001000001 [ 5.909390] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.914539] NET: Registered protocol family 17 [ 5.988745] mmc0: new HS400 MMC card at address 0001 [ 5.993364] Key type dns_resolver registered [ 5.999461] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.009126] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.009265] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 6.020866] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.021942] microcode: Microcode Update Driver: v2.2. [ 6.028524] IPI shorthand broadcast: enabled [ 6.028705] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.034203] sched_clock: Marking stable (5947229516, 86945177)->(6141649435, -107474742) [ 6.044933] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.063862] registered taskstats version 1 [ 6.065627] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.068510] Loading compiled-in X.509 certificates [ 6.085754] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.095651] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.105146] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.114510] PM: Magic number: 10:903:882 [ 6.119250] printk: console [netcon0] enabled [ 6.124128] netconsole: network logging started [ 6.223904] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.233098] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.241101] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.246472] usb 1-9: Manufacturer: Azurewave [ 6.251267] usb 1-9: SerialNumber: 0x0001 [ 6.261569] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.311353] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.366566] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.409507] r8152 2-3:1.0 eth0: v1.11.11 [ 6.414675] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.415326] IP-Config: Failed to open gretap0 [ 6.428009] IP-Config: Failed to open erspan0 [ 6.450096] Sending DHCP requests . [ 8.100107] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.111796] r8152 2-3:1.0 eth0: carrier on [ 8.666071] ., OK [ 8.674346] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 8.683332] IP-Config: Complete: [ 8.686977] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 8.698672] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.707932] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.707936] nameserver0=192.168.201.1 [ 8.720786] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.732563] modprobe (101) used greatest stack depth: 14120 bytes left [ 8.735768] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.747332] ALSA device list: [ 8.750825] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.750951] No soundcards found. [ 8.760504] cfg80211: failed to load regulatory.db [ 8.770146] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.780145] Freeing unused kernel image (initmem) memory: 2032K [ 8.798229] Write protecting the kernel read-only data: 28672k [ 8.805923] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.813847] Freeing unused kernel image (rodata/data gap) memory: 1428K [ 8.821363] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.842902] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 8.899114] udevadm (125) used greatest stack depth: 13576 bytes left [ 9.055333] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.064388] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.095693] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.152004] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.163359] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.180046] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.198774] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.208929] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.218816] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 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: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.364713] nfsmount (159) 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 [ 10.566581] 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) [ 10.604258] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.632719] systemd[1]: Set hostname to . [ 11.178077] systemd[1]: Queued start job for default target Graphical Interface. [ 11.190667] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.206795] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.223769] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.240731] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.257617] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.279488] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.301377] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.324264] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.340348] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.351211] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.367295] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.378226] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.389608] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.407779] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.424515] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.441438] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.458371] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.478341] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.495198] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.514900] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.534559] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.553217] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.567496] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.587694] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.607781] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.622980] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.637907] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.677035] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.687450] fuse: init (API version 7.32) [ 11.693683] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.709255] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.723071] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.741883] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.758974] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.774469] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.790273] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.805276] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.821202] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 11.843911] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.850949] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.866813] systemd[1]: modprobe@drm.service: Succeeded. [ 11.873361] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 11.890079] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.896959] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 11.912352] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 12.006996] systemd-journald[194]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 13.628469] systemd-tmpfile (208) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.147-cip17 #1 SMP Wed Oct 5 11:47:03 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/7510458/extract-nfsrootfs-x8xgrgm1' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7510458/extract-nfsrootfs-x8xgrgm1' / # 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-7510458/environment . /lava-7510458/environment / # /lava-7510458/bin/lava-test-runner /lava-7510458/0 /lava-7510458/bin/lava-test-runner /lava-7510458/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7510458/0/tests/0_timesync-off ++ cat uuid + UUID=7510458_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7510458/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7510458_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.145-cip17-192-gbe875d9d93504/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7510458/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-05 11:52:24-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.145-cip17-192-gbe875d9d93504/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: 3539200 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 165KB/s kselftest.tar.xz 6%[> ] 207.60K 358KB/s kselftest.tar.xz 24%[===> ] 862.31K 991KB/s kselftest.tar.xz 35%[======> ] 1.21M 1022KB/s kselftest.tar.xz 100%[===================>] 3.38M 2.48MB/s in 1.4s 2022-10-05 11:52:26 (2.48 MB/s) - 'kselftest.tar.xz' saved [3539200/3539200] tar: ./mqueue/mq_perf_tests: time stamp 2022-10-05 11:56:19 is 232.19750073 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-10-05 11:56:19 is 232.190610225 s in the future tar: ./mqueue: time stamp 2022-10-05 11:56:46 is 259.189336023 s in the future tar: ./net/psock_fanout: time stamp 2022-10-05 11:56:23 is 236.180753709 s in the future tar: ./net/txring_overwrite: time stamp 2022-10-05 11:56:24 is 237.162400904 s in the future tar: ./net/socket: time stamp 2022-10-05 11:56:22 is 235.151571182 s in the future tar: ./net/hwtstamp_config: time stamp 2022-10-05 11:56:26 is 239.146521193 s in the future tar: ./net/udpgso: time stamp 2022-10-05 11:56:24 is 237.139486884 s in the future tar: ./net/tcp_mmap: time stamp 2022-10-05 11:56:23 is 236.131008374 s in the future tar: ./net/rxtimestamp: time stamp 2022-10-05 11:56:26 is 239.124766865 s in the future tar: ./net/udpgso_bench_rx: time stamp 2022-10-05 11:56:25 is 238.114645013 s in the future tar: ./net/msg_zerocopy: time stamp 2022-10-05 11:56:23 is 236.106432005 s in the future tar: ./net/ipv6_flowlabel: time stamp 2022-10-05 11:56:25 is 238.100786567 s in the future tar: ./net/timestamping: time stamp 2022-10-05 11:56:26 is 239.090164527 s in the future tar: ./net/tls: time stamp 2022-10-05 11:56:22 is 235.043203036 s in the future tar: ./net/mptcp/mptcp_connect: time stamp 2022-10-05 11:56:28 is 241.004345833 s in the future tar: ./net/mptcp/pm_nl_ctl: time stamp 2022-10-05 11:56:28 is 240.995524074 s in the future tar: ./net/mptcp: time stamp 2022-10-05 11:56:46 is 258.983499285 s in the future tar: ./net/reuseport_dualstack: time stamp 2022-10-05 11:56:20 is 232.973476316 s in the future tar: ./net/reuseport_bpf_numa: time stamp 2022-10-05 11:56:20 is 232.962047963 s in the future tar: ./net/so_txtime: time stamp 2022-10-05 11:56:25 is 237.954181049 s in the future tar: ./net/ipsec: time stamp 2022-10-05 11:56:27 is 239.93500055 s in the future tar: ./net/reuseport_addr_any: time stamp 2022-10-05 11:56:23 is 235.925847832 s in the future tar: ./net/ipv6_flowlabel_mgr: time stamp 2022-10-05 11:56:25 is 237.898934406 s in the future tar: ./net/tcp_fastopen_backup_key: time stamp 2022-10-05 11:56:26 is 238.886312285 s in the future tar: ./net/reuseport_bpf: time stamp 2022-10-05 11:56:20 is 232.858040276 s in the future tar: ./net/psock_tpacket: time stamp 2022-10-05 11:56:23 is 235.833351599 s in the future tar: ./net/reuseport_bpf_cpu: time stamp 2022-10-05 11:56:20 is 232.824787866 s in the future tar: ./net/fin_ack_lat: time stamp 2022-10-05 11:56:26 is 238.819309003 s in the future tar: ./net/ip_defrag: time stamp 2022-10-05 11:56:25 is 237.811875785 s in the future tar: ./net/reuseaddr_conflict: time stamp 2022-10-05 11:56:20 is 232.807009174 s in the future tar: ./net/reuseaddr_ports_exhausted: time stamp 2022-10-05 11:56:26 is 238.796350972 s in the future tar: ./net/forwarding: time stamp 2022-10-05 11:56:46 is 258.528170679 s in the future tar: ./net/udpgso_bench_tx: time stamp 2022-10-05 11:56:24 is 236.51546828 s in the future tar: ./net/psock_snd: time stamp 2022-10-05 11:56:24 is 236.503429189 s in the future tar: ./net/txtimestamp: time stamp 2022-10-05 11:56:27 is 239.490167081 s in the future tar: ./net/nettest: time stamp 2022-10-05 11:56:22 is 234.467673439 s in the future tar: ./net/tcp_inq: time stamp 2022-10-05 11:56:24 is 236.458080051 s in the future tar: ./net: time stamp 2022-10-05 11:56:46 is 258.452720551 s in the future tar: ./ipc/msgque: time stamp 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./cgroup/test_memcontrol: time stamp 2022-10-05 11:56:06 is 211.478830641 s in the future tar: ./cgroup/test_core: time stamp 2022-10-05 11:56:06 is 211.47172854 s in the future tar: ./cgroup: time stamp 2022-10-05 11:56:43 is 248.463169429 s in the future tar: ./kvm/evmcs_test: time stamp 2022-10-05 11:56:13 is 218.397855994 s in the future tar: ./kvm/demand_paging_test: time stamp 2022-10-05 11:56:17 is 222.354089154 s in the future tar: ./kvm/dirty_log_perf_test: time stamp 2022-10-05 11:56:18 is 223.311207349 s in the future tar: ./kvm/dirty_log_test: time stamp 2022-10-05 11:56:18 is 223.253561272 s in the future tar: ./kvm/set_sregs_test: time stamp 2022-10-05 11:56:14 is 219.206208623 s in the future tar: ./kvm/platform_info_test: time stamp 2022-10-05 11:56:14 is 219.154716907 s in the future tar: ./kvm/sync_regs_test: time stamp 2022-10-05 11:56:15 is 220.104773231 s in the future tar: ./kvm/set_memory_region_test: time stamp 2022-10-05 11:56:18 is 223.050357881 s in the future tar: ./kvm/kvm_pv_test: time stamp 2022-10-05 11:56:14 is 219.002746392 s in the future tar: ./kvm/debug_regs: time stamp 2022-10-05 11:56:17 is 221.964808834 s in the future tar: ./kvm/state_test: time stamp 2022-10-05 11:56:15 is 219.900966942 s in the future tar: ./kvm/smm_test: time stamp 2022-10-05 11:56:14 is 218.852949946 s in the future tar: ./kvm/vmx_preemption_timer_test: time stamp 2022-10-05 11:56:15 is 219.802166923 s in the future tar: ./kvm/kvm_create_max_vcpus: time stamp 2022-10-05 11:56:18 is 222.755190691 s in the future tar: ./kvm/vmx_set_nested_state_test: time stamp 2022-10-05 11:56:16 is 220.691670747 s in the future tar: ./kvm/user_msr_test: time stamp 2022-10-05 11:56:17 is 221.646551816 s in the future tar: ./kvm/svm_vmcall_test: time stamp 2022-10-05 11:56:15 is 219.600897126 s in the future tar: ./kvm/vmx_close_while_nested_test: time stamp 2022-10-05 11:56:16 is 220.554954342 s in the future tar: ./kvm/mmio_warning_test: time stamp 2022-10-05 11:56:14 is 218.51923365 s in the future tar: ./kvm/tsc_msrs_test: time stamp 2022-10-05 11:56:17 is 221.469454932 s in the future tar: ./kvm/vmx_dirty_log_test: time stamp 2022-10-05 11:56:16 is 220.419074539 s in the future tar: ./kvm/cr4_cpuid_sync_test: time stamp 2022-10-05 11:56:13 is 217.381648659 s in the future tar: ./kvm/vmx_tsc_adjust_test: time stamp 2022-10-05 11:56:16 is 220.320743109 s in the future tar: ./kvm/steal_time: time stamp 2022-10-05 11:56:18 is 222.275914774 s in the future tar: ./kvm/xss_msr_test: time stamp 2022-10-05 11:56:17 is 221.236083668 s in the future tar: ./kvm/hyperv_cpuid: time stamp 2022-10-05 11:56:14 is 218.178119367 s in the future tar: ./kvm/vmx_apic_access_test: time stamp 2022-10-05 11:56:16 is 220.128100879 s in the future tar: ./kvm: time stamp 2022-10-05 11:56:45 is 249.126522874 s in the future tar: ./cpufreq: time stamp 2022-10-05 11:56:43 is 247.103285838 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-10-05 11:56:28 is 232.094246887 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-10-05 11:56:29 is 233.080774213 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-10-05 11:56:28 is 232.071581083 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-10-05 11:56:28 is 232.060134883 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-10-05 11:56:28 is 232.051373572 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-10-05 11:56:28 is 232.043086626 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-10-05 11:56:28 is 232.033059102 s in the future tar: ./pidfd: time stamp 2022-10-05 11:56:46 is 250.031034699 s in the future tar: .: time stamp 2022-10-05 11:56:49 is 253.028774595 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 49.458286] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 49.787523] lkdtm: Performing direct entry BUG [ 49.792608] ------------[ cut here ]------------ [ 49.797798] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 49.803700] invalid opcode: 0000 [#1] SMP PTI [ 49.808572] CPU: 0 PID: 720 Comm: cat Tainted: G W 5.10.147-cip17 #1 [ 49.817126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.823934] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.828317] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 49.849297] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 49.855133] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.863097] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 49.871067] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 49.879037] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.887007] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 49.894979] FS: 00007fcdad034580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 [ 49.904020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.910438] CR2: 00007fcdace3d000 CR3: 00000001038b4002 CR4: 00000000003706f0 [ 49.918410] Call Trace: [ 49.921129] direct_entry.cold+0x2c/0x38 [ 49.925515] full_proxy_write+0x53/0x80 [ 49.929804] vfs_write+0xe7/0x3a0 [ 49.933500] ksys_write+0x68/0xf0 [ 49.937201] do_syscall_64+0x30/0x40 [ 49.941189] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.946830] RIP: 0033:0x7fcdacf4a8f3 [ 49.950810] 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 [ 49.971797] RSP: 002b:00007fffef17a818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.980255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcdacf4a8f3 [ 49.988225] RDX: 0000000000000004 RSI: 00007fcdace3d000 RDI: 0000000000000001 [ 49.996196] RBP: 00007fcdace3d000 R08: 00007fcdace3c010 R09: 0000000000000000 [ 50.004161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.012131] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.020107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.046643] ---[ end trace 0d22e6cf039e283f ]--- [ 50.051850] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.056301] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 50.077330] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 50.083249] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.091261] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 50.099268] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 50.107259] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.115253] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 50.123251] FS: 00007fcdad034580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 [ 50.132299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.138725] CR2: 00007fcdace3d000 CR3: 00000001038b4002 CR4: 00000000003706f0 # Segmentation fault # [ 49.787523] lkdtm: Performing direct entry BUG # [ 49.792608] ------------[ cut here ]------------ # [ 49.797798] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 49.803700] invalid opcode: 0000 [#1] SMP PTI # [ 49.808572] CPU: 0 PID: 720 Comm: cat Tainted: G W 5.10.147-cip17 #1 # [ 49.817126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.823934] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.828317] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 49.849297] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 49.855133] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.863097] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 49.8710[ 50.247941] lkdtm: Performing direct entry WARNING 67] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 00000000000[ 50.254410] ------------[ cut here ]------------ 00001 # [ 49.879037] R10: 00000000ffffe000 R11: 3ffffffffffff[ 50.265777] WARNING: CPU: 0 PID: 756 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 fff R12: 0000000000000004 # [ 49.887007] R13: ffffa1b7c1497f1[ 50.281450] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 49.894979] [ 50.314137] CPU: 0 PID: 756 Comm: cat Tainted: G D W 5.10.147-cip17 #1 FS: 00007fcdad034580(0000) GS:ffff924b3ac00000(0000) knlGS:0000[ 50.328927] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000000 # [ 49.904020] CS: 0010 DS: 0000 ES: 0000 CR0: [ 50.341957] RIP: 0010:lkdtm_WARNING+0x13/0x20 0000000080050033 # [ 49.910438] CR2: 00007fcdace3d000 CR3: 00[ 50.353061] 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 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 000001038b4002 CR4: 00000000003706f0 # [ 49.918410] Call Trac[ 50.380256] RSP: 0018:ffffa1b7c151fe60 EFLAGS: 00010202 e: # [ 49.921129] direct_entry.cold+0x2c/0x38 # [ 49.9255[ 50.392350] RAX: ffffffffb0cdea00 RBX: 0000000000000002 RCX: 0000000000000000 15] full_proxy_write+0x53/0x80 # [ 49.929804] vfs_write+0xe[ 50.406588] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199aea0 7/0x3a0 # [ 49.933500] ksys_write+0x68/0xf0 # [ 49.937201[ 50.420740] RBP: ffffffffb1d81ee7 R08: 0000000000000000 R09: 0000000000000000 ] do_syscall_64+0x30/0x40 # [ 49.941189] entry_SYSCALL_64_a[ 50.435023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 fter_hwframe+0x61/0xc6 # [ 49.946830] RIP: 0033:0x7fcdacf4a8f[ 50.449212] R13: ffffa1b7c151ff10 R14: ffffa1b7c151ff10 R15: ffff924ac3f7b000 3 # [ 49.950810] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7[ 50.463381] FS: 00007f290f0ac580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 [ 50.478674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 50.491300] CR2: 00007f290eeb5000 CR3: 0000000103b30003 CR4: 00000000003706f0 48 83 ec 28 48 89 54 24 18 # [ 49.971797] RSP: 002b:00007fff[ 50.505509] Call Trace: ef17a818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.9[ 50.514447] direct_entry.cold+0x2c/0x38 80255] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcd[ 50.525073] full_proxy_write+0x53/0x80 acf4a8f3 # [ 49.988225] RDX: 0000000000000004 RSI: 00007fcdac[ 50.535564] vfs_write+0xe7/0x3a0 e3d000 RDI: 0000000000000001 # [ 49.996196] RBP: 00007fcdace3[ 50.545461] ksys_write+0x68/0xf0 d000 R08: 00007fcdace3c010 R09: 0000000000000000 # [ 50.00416[ 50.555372] do_syscall_64+0x30/0x40 1] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000[ 50.565572] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0001 # [ 50.012131] R13: 0000000000000001 R14: 00000000000200[ 50.577445] RIP: 0033:0x7f290efc28f3 00 R15: 0000000000020000 # [ 50.020107] Modules linked in: fu[ 50.587678] 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 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 50.614880] RSP: 002b:00007ffe67acab28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 riggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_s[ 50.629632] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f290efc28f3 ysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_[ 50.643780] RDX: 0000000000000008 RSI: 00007f290eeb5000 RDI: 0000000000000001 temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.046643] ---[ 50.657971] RBP: 00007f290eeb5000 R08: 00007f290eeb4010 R09: 0000000000000000 [ end trace 0d22e6cf039e283f ]--- # [ 50.051850] RIP: 0010:lk[ 50.672188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 dtm_BUG+0x5/0x10 # [ 50.056301] Code: 89 ff e8 2e b5 a3 ff 48[ 50.686367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 50.700569] irq event stamp: 0 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 50.710181] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 50.077330] RSP[ 50.723366] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 : 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 50.083249] RAX: [ 50.738786] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.754131] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.091261] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: [ 50.767351] ---[ end trace 0d22e6cf039e2840 ]--- ffffffffb199ae90 # [ 50.099268] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 50.107259] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.115253] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 50.123251] FS: 00007fcdad034580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ 50.132299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.138725] CR2: 00007fcdace3d000 CR3: 00000001038b4002 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 50.247941] lkdtm: Performing direct entry WARNING # [ 50.254410] ------------[ cut here ]------------ # [ 50.265777] WARNING: CPU: 0 PID: 756 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 50.281450] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 50.871908] lkdtm: Performing direct entry WARNING_MESSAGE lio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debu[ 50.878220] ------------[ cut here ]------------ gfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 50.889618] Warning message trigger count: 2 _notify # [ 50.314137] CPU: 0 PID: 756 Comm: cat Tainted: G [ 50.900614] WARNING: CPU: 0 PID: 791 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 D W 5.10.147-cip17 #1 # [ 50.328927] Hardware nam[ 50.917032] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.341957] RIP:[ 50.949679] CPU: 0 PID: 791 Comm: cat Tainted: G D W 5.10.147-cip17 #1 0010:lkdtm_WARNING+0x13/0x20 # [ 50.353061] Code: c0 f4 ff f[ 50.964465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f[ 50.977479] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 44 00 00 83 05 20 db 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 c[ 50.989383] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c7 c7 48 24 d8 b1 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 c cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db # [ 5[ 51.016550] RSP: 0018:ffffa1b7c15afe60 EFLAGS: 00010286 0.380256] RSP: 0018:ffffa1b7c151fe60 EFLAGS: 00010202 # [ 50.[ 51.028655] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 392350] RAX: ffffffffb0cdea00 RBX: 0000000000000002 RCX: 0000000[ 51.042815] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 000000000 # [ 50.406588] RDX: 0000000000000000 RSI: ffff924b3[ 51.057044] RBP: ffffffffb1d81eef R08: 0000000000000000 R09: 0000000000000000 ac1bf70 RDI: ffffffffb199aea0 # [ 50.420740] RBP: ffffffffb1d[ 51.071248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 81ee7 R08: 0000000000000000 R09: 0000000000000000 # [ 50.4350[ 51.085418] R13: ffffa1b7c15aff10 R14: ffffa1b7c15aff10 R15: ffff924ac48bd000 23] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 51.099652] FS: 00007f948aa0b580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 00008 # [ 50.449212] R13: ffffa1b7c151ff10 R14: ffffa1b7c151f[ 51.114878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f10 R15: ffff924ac3f7b000 # [ 50.463381] FS: 00007f290f0ac58[ 51.127541] CR2: 00007f948a814000 CR3: 00000001041b2002 CR4: 00000000003706f0 0(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ [ 51.141691] Call Trace: 50.478674] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.150649] direct_entry.cold+0x2c/0x38 [ 50.491300] CR2: 00007f290eeb5000 CR3: 0000000103b30003 CR4: [ 51.161205] full_proxy_write+0x53/0x80 00000000003706f0 # [ 50.505509] Call Trace: # [ 50.514447][ 51.171705] vfs_write+0xe7/0x3a0 direct_entry.cold+0x2c/0x38 # [ 50.525073] full_proxy_writ[ 51.181626] ksys_write+0x68/0xf0 e+0x53/0x80 # [ 50.535564] vfs_write+0xe7/0x3a0 # [ 50.54[ 51.191538] do_syscall_64+0x30/0x40 5461] ksys_write+0x68/0xf0 # [ 50.555372] do_syscall_64+0x3[ 51.201749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0/0x40 # [ 50.565572] entry_SYSCALL_64_after_hwframe+0x61/0x[ 51.213601] RIP: 0033:0x7f948a9218f3 c6 # [ 50.577445] RIP: 0033:0x7f290efc28f3 # [ 50.587678] [ 51.223799] 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 Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 51.251027] RSP: 002b:00007ffe64db9b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 51.265721] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f948a9218f3 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 51.279910] RDX: 0000000000000010 RSI: 00007f948a814000 RDI: 0000000000000001 4 24 18 # [ 50.614880] RSP: 002b:00007ffe67acab28 EFLAGS: 000[ 51.294111] RBP: 00007f948a814000 R08: 00007f948a813010 R09: 0000000000000000 00246 ORIG_RAX: 0000000000000001 # [ 50.629632] RAX: ffffffff[ 51.308322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffffda RBX: 0000000000000008 RCX: 00007f290efc28f3 # [ 50.6[ 51.322522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 43780] RDX: 0000000000000008 RSI: 00007f290eeb5000 RDI: 00000000[ 51.336743] irq event stamp: 0 00000001 # [ 50.657971] RBP: 00007f290eeb5000 R08: 00007f290e[ 51.346360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 eb4010 R09: 0000000000000000 # [ 50.672188] R10: ffffffffffff[ 51.359600] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.68636[ 51.374952] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 7] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 51.390336] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000 # [ 50.700569] irq event stamp: 0 # [ 50.710181] hard[ 51.403573] ---[ end trace 0d22e6cf039e2841 ]--- irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.723366] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.738786] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.754131] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.767351] ---[ end trace 0d22e6cf039e2840 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 50.871908] lkdtm: Performing direct entry WARNING_MESSAGE # [ 50.878220] ------------[ cut here ]------------ # [ 50.889618] Warning message trigger count: 2 # [ 50.900614] WARNING: CPU: 0 PID: 791 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.917032] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrial[ 51.498214] lkdtm: Performing direct entry EXCEPTION io cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debug[ 51.507497] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 51.521462] #PF: supervisor write access in kernel mode [ 51.527293] #PF: error_code(0x0002) - not-present page [ 51.533028] PGD 0 P4D 0 [ 51.535851] Oops: 0002 [#2] SMP PTI [ 51.539744] CPU: 1 PID: 823 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 51.548299] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.555097] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 fs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_[ 51.560060] Code: 48 c7 c7 48 24 d8 b1 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 51.587259] RSP: 0018:ffffa1b7c162fe60 EFLAGS: 00010286 [ 51.593094] RAX: ffffffffb0cdea50 RBX: 0000000000000004 RCX: 0000000000000000 [ 51.601054] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffffffffb199aec0 [ 51.609023] RBP: ffffffffb1cb7367 R08: 0000000000000000 R09: 0000000000000000 [ 51.617007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 51.624978] R13: ffffa1b7c162ff10 R14: ffffa1b7c162ff10 R15: ffff924ac2994000 [ 51.632948] FS: 00007f208c042580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 51.641995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.648411] CR2: 0000000000000000 CR3: 00000001040d2005 CR4: 00000000003706e0 [ 51.656378] Call Trace: [ 51.659107] direct_entry.cold+0x2c/0x38 notify # [ 50.949679] CPU: 0 PID: 791 Comm: cat Tainted: G [ 51.663487] full_proxy_write+0x53/0x80 [ 51.673992] vfs_write+0xe7/0x3a0 D W 5.10.147-cip17 #1 # [ 50.964465] Hardware name[ 51.677696] ksys_write+0x68/0xf0 [ 51.687606] do_syscall_64+0x30/0x40 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.977479] RIP: [ 51.691595] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.703447] RIP: 0033:0x7f208bf588f3 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.989383] Code: cc [ 51.707436] 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 [ 51.734636] RSP: 002b:00007ffc70281b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.743091] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f208bf588f3 [ 51.751061] RDX: 000000000000000a RSI: 00007f208be4b000 RDI: 0000000000000001 [ 51.759028] RBP: 00007f208be4b000 R08: 00007f208be4a010 R09: 0000000000000000 [ 51.767001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.774967] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 db 92 02 48 c[ 51.782953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.815582] CR2: 0000000000000000 [ 51.819278] ---[ end trace 0d22e6cf039e2842 ]--- [ 51.824433] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.828809] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 51.849778] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 51.855610] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.863579] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 51.871547] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 51.879514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.887482] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 51.895450] FS: 00007f208c042580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 51.904486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.910899] CR2: 0000000000000000 CR3: 00000001040d2005 CR4: 00000000003706e0 [ 51.918867] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.928777] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 823, name: cat [ 51.937132] INFO: lockdep is turned off. [ 51.941505] irq event stamp: 0 [ 51.944909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.951908] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.961040] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.970173] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.977170] CPU: 1 PID: 823 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 51.985718] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.992518] Call Trace: [ 51.995245] dump_stack+0x77/0x9b 7 c7 48 24 d8 b1 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 <0f> [ 51.998950] ___might_sleep.cold+0xa6/0xb6 [ 52.009731] exit_signals+0x1c/0x2e0 [ 52.013718] do_exit+0xd5/0xb00 [ 52.017220] ? ksys_write+0x68/0xf0 [ 52.021104] rewind_stack_do_exit+0x17/0x20 [ 52.025772] RIP: 0033:0x7f208bf588f3 [ 52.029759] 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 [ 52.050735] RSP: 002b:00007ffc70281b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.059189] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f208bf588f3 [ 52.067155] RDX: 000000000000000a RSI: 00007f208be4b000 RDI: 0000000000000001 [ 52.075121] RBP: 00007f208be4b000 R08: 00007f208be4a010 R09: 0000000000000000 [ 52.083088] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.091054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 51.016550] RSP: 0018:ffffa1b7c15afe60 EFLAGS: 00010286 # [ 51.028655] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 51.042815] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 51.057044] RBP: ffffffffb1d81eef R08: 0000000000000000 R09: 0000000000000000 # [ 51.071248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 51.085418] R13: ffffa1b7c15aff10 R14: ffffa1b7c15aff10 R15: ffff924ac48bd000 # [ 51.099652] FS: 00007f948aa0b580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ 51.114878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.127541] CR2: 00007f948a814000 CR3: 00000001041b2002 CR4: 00000000003706f0 # [ 51.141691] Call Trace: # [ 51.150649] direct_entry.cold+0x2c/0x38 # [ 51.161205] full_proxy_write+0x53/0x80 # [ 51.171705] vfs_write+0xe7/0x3a0 # [ 51.181626] ksys_write+0x68/0xf0 # [ 51.191538] do_syscall_64+0x30/0x40 # [ 51.201749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.213601] RIP: 0033:0x7f948a9218f3 # [ 51.223799] 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 # [ 51.251027] RSP: 002b:00007ffe64db9b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.265721] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f948a9218f3 # [ 51.279910] RDX: 0000000000000010 RSI: 00007f948a814000 RDI: 0000000000000001 # [ 51.294111] RBP: 00007f948a814000 R08: 00007f948a813010 R09: 0000000000000000 # [ 51.308322] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.322522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.336743] irq event stamp: 0 # [ 51.346360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.359600] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.374952] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.390336] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.403573] ---[ end trace 0d22e6cf039e2841 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 51.498214] lkdtm: Performing direct entry EXCEPTION # [ 51.507497] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 51.521462] #PF: supervisor write access in kernel mode # [ 51.527293] #PF: error_code(0x0002) - not-present page # [ 51.533028] PGD 0 P4D 0 # [ 51.535851] Oops: [ 52.362960] lkdtm: Performing direct entry CORRUPT_LIST_ADD 0002 [#2] SMP PTI # [ 51.539744] CPU: 1 PID: 823 Comm: cat Ta[ 52.372619] lkdtm: attempting good list addition inted: G D W 5.10.147-cip17 #1 # [ 51.548299] Ha[ 52.383987] lkdtm: attempting corrupted list addition rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.55[ 52.395863] lkdtm: list_add() corruption not detected! 5097] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 51.560060] Code: 48 c7 c7 48 24 d8 b1 8d 70 01 89 35 f1 da 92 02 e8 cb 2d 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 51.587259] RSP: 0018:ffffa1b7c162fe60 EFLAGS: 00010286 # [ 51.593094] RAX: ffffffffb0cdea50 RBX: 0000000000000004 RCX: 0000000000000000 # [ 51.601054] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffffffffb199aec0 # [ 51.609023] RBP: ffffffffb1cb7367 R08: 0000000000000000 R09: 0000000000000000 # [ 51.617007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.624978] R13: ffffa1b7c162ff10 R14: ffffa1b7c162ff10 R15: ffff924ac2994000 # [ 51.632948] FS: 00007f208c042580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 51.641995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.648411] CR2: 0000000000000000 CR3: 00000001040d2005 CR4: 00000000003706e0 # [ 51.656378] Call Trace: # [ 51.659107] direct_entry.cold+0x2c/0x38 # [ 51.663487] full_proxy_write+0x53/0x80 # [ 51.673992] vfs_write+0xe7/0x3a0 # [ 51.677696] ksys_write+0x68/0xf0 # [ 51.687606] do_syscall_64+0x30/0x40 # [ 51.691595] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.703447] RIP: 0033:0x7f208bf588f3 # [ 51.707436] 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 # [ 51.734636] RSP: 002b:00007ffc70281b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.743091] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f208bf588f3 # [ 51.751061] RDX: 000000000000000a RSI: 00007f208be4b000 RDI: 0000000000000001 # [ 51.759028] RBP: 00007f208be4b000 R08: 00007f208be4a010 R09: 0000000000000000 # [ 51.767001] R10: f[ 52.588343] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 52.600487] lkdtm: attempting good list removal [ 52.605559] lkdtm: attempting corrupted list removal [ 52.611113] lkdtm: list_del() corruption not detected! ffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.774967] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.782953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.815582] CR2: 0000000000000000 # [ 51.819278] ---[ end trace 0d22e6cf039e2842 ]--- # [ 51.824433] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.828809] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 51.849778] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 51.855610] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.863579] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 51.871547] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.879514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.887482] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 51.895450] FS: 00007f208c042580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 51.904486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.910899] CR2: 0000000000000000 CR3: 0000[ 52.757523] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 0001040d2005 CR4: 00000000003706e0 # [ 51.918867] BUG: sleepi[ 52.766880] lkdtm: attempting bad read from page below current stack ng function called from invalid context at include/linux/percpu-[ 52.780218] BUG: stack guard page was hit at 00000000d57e3b52 (stack is 000000007ee2c7c5..0000000078678ff3) [ 52.797293] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 52.804098] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 52.812743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.819549] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a rwsem.h:49 # [ 51.928777] in_atomic(): 0, irqs_disabled(): 1,[ 52.826062] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 d8 b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 d8 b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 52.853253] RSP: 0018:ffffa1b7c1977e50 EFLAGS: 00010246 [ 52.859086] RAX: 0000000000000038 RBX: ffffa1b7c1974000 RCX: 0000000000000000 [ 52.867055] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffffffffb1d82828 [ 52.875023] RBP: ffffffffb1d81f52 R08: 0000000000000000 R09: 0000000000000000 [ 52.882992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 52.890980] R13: ffffa1b7c1977f10 R14: ffffa1b7c1977f10 R15: ffff924ac3f91000 [ 52.898948] FS: 00007fb573abd580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 52.908001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.914416] CR2: ffffa1b7c1973fff CR3: 0000000104d4a004 CR4: 00000000003706e0 [ 52.922381] Call Trace: [ 52.925107] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 52.930164] direct_entry.cold+0x2c/0x38 [ 52.934541] full_proxy_write+0x53/0x80 non_block: 0, pid: 823, name: cat # [ 51.937132] INFO: lockd[ 52.938822] vfs_write+0xe7/0x3a0 [ 52.948728] ksys_write+0x68/0xf0 [ 52.952418] do_syscall_64+0x30/0x40 [ 52.956407] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.962043] RIP: 0033:0x7fb5739d38f3 [ 52.966030] 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 [ 52.987012] RSP: 002b:00007ffcebfc6628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.995464] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5739d38f3 [ 53.003431] RDX: 0000000000000019 RSI: 00007fb5738c6000 RDI: 0000000000000001 [ 53.011400] RBP: 00007fb5738c6000 R08: 00007fb5738c5010 R09: 0000000000000000 [ 53.019357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.027325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ep is turned off. # [ 51.941505] irq event stamp: 0 # [ 51[ 53.035296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.067950] ---[ end trace 0d22e6cf039e2843 ]--- [ 53.073106] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.077481] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 53.098450] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 53.104282] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.112249] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 53.120214] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 53.128180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.136148] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 53.144116] FS: 00007fb573abd580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 53.153152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.159565] CR2: ffffa1b7c1973fff CR3: 0000000104d4a004 CR4: 00000000003706e0 [ 53.167532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.177443] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1048, name: cat [ 53.185894] INFO: lockdep is turned off. [ 53.190268] irq event stamp: 0 [ 53.193671] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.200669] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.209793] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.218924] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.225947] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 53.234593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.241395] Call Trace: [ 53.244121] dump_stack+0x77/0x9b .944909] hardirqs last enabled at (0): [<0000000000000000>] 0x0[ 53.247821] ___might_sleep.cold+0xa6/0xb6 [ 53.258603] exit_signals+0x1c/0x2e0 [ 53.262590] do_exit+0xd5/0xb00 [ 53.266091] ? ksys_write+0x68/0xf0 [ 53.269997] rewind_stack_do_exit+0x17/0x20 # [ 51.951908] 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 [ 53.305851] RSP: 002b:00007ffcebfc6628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.314306] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5739d38f3 [ 53.322274] RDX: 0000000000000019 RSI: 00007fb5738c6000 RDI: 0000000000000001 [ 53.330241] RBP: 00007fb5738c6000 R08: 00007fb5738c5010 R09: 0000000000000000 [ 53.338209] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.346175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0cf0>] copy_process+0x640/0x1c80 # [ 51.961040] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.970173] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.977170] CPU: 1 PID: 823 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 51.985718] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.992518] Call Trace: # [ 51.995245] dump_stack+0x77/0x9b # [ 51.998950] ___might_sleep.cold+0xa6/0xb6 # [ 52.009731] exit_signals+0x1c/0x2e0 # [ 52.013718] do_exit+0xd5/0xb00 # [ 52.017220] ? ksys_write+0x68/0xf0 # [ 52.021104] rewind_stack_do_exit+0x17/0x20 # [ 52.025772] RIP: 0033:0x7f208bf588f3 # [ 52.029759] 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 # [ 52.050735] RSP: 002b:00007ffc70281b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.059189] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f208bf588f3 # [ 52.067155] RDX: 000000000000000a RSI: 00007f208be4b000[ 53.464480] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 53.473121] lkdtm: attempting bad read from page above current stack [ 53.480238] BUG: stack guard page was hit at 00000000e191e44e (stack is 00000000591c4a54..00000000cdde68d7) [ 53.491133] kernel stack overflow (page fault): 0000 [#4] SMP PTI RDI: 0000000000000001 # [ 52.075121] RBP: 00007f208be4b000 R[ 53.497938] CPU: 2 PID: 1081 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 53.512801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.519600] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 08: 00007f208be4a010 R09: 0000000000000000 # [ 52.083088] R10[ 53.526210] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 d8 b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 d8 b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 53.553406] RSP: 0018:ffffa1b7c19f7e50 EFLAGS: 00010246 [ 53.559238] RAX: 0000000000000038 RBX: ffffa1b7c19f4000 RCX: 0000000000000000 [ 53.567205] RDX: 0000000000000000 RSI: ffff924b3ad1bf70 RDI: ffffffffb1d828a0 [ 53.575173] RBP: ffffffffb1d81f6b R08: 0000000000000000 R09: 0000000000000000 [ 53.583139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 53.591106] R13: ffffa1b7c19f7f10 R14: ffffa1b7c19f7f10 R15: ffff924ac5729000 [ 53.599073] FS: 00007fd11e323580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 [ 53.608108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.614521] CR2: ffffa1b7c19f8000 CR3: 000000010397e001 CR4: 00000000003706e0 [ 53.622487] Call Trace: [ 53.625215] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 53.631047] direct_entry.cold+0x2c/0x38 [ 53.635414] full_proxy_write+0x53/0x80 [ 53.639687] vfs_write+0xe7/0x3a0 [ 53.643384] ksys_write+0x68/0xf0 [ 53.647072] do_syscall_64+0x30/0x40 [ 53.651060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.656698] RIP: 0033:0x7fd11e2398f3 [ 53.660685] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.681662] RSP: 002b:00007ffc08aec358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.690116] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd11e2398f3 [ 53.698085] RDX: 000000000000001a RSI: 00007fd11e12c000 RDI: 0000000000000001 [ 53.706051] RBP: 00007fd11e12c000 R08: 00007fd11e12b010 R09: 0000000000000000 [ 53.714018] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.722000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.729972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.756421] ---[ end trace 0d22e6cf039e2844 ]--- [ 53.761564] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.765949] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 53.786949] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 53.792782] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.800749] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 53.808715] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 53.816684] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.824649] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 53.832616] FS: 00007fd11e323580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 [ 53.841650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.848065] CR2: ffffa1b7c19f8000 CR3: 000000010397e001 CR4: 00000000003706e0 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.091054] 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 # [ 52.362960] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 52.372619] lkdtm: attempting good list addition # [ 52.383987] lkdtm: attempting corrupted list addition # [ 52.395863] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRU[ 53.965913] lkdtm: Performing direct entry UNSET_SMEP [ 53.973626] lkdtm: trying to clear SMEP normally [ 53.978812] ------------[ cut here ]------------ [ 53.983986] pinned CR4 bits changed: 0x100000!? [ 53.989065] WARNING: CPU: 3 PID: 1117 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 53.999284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.025727] CPU: 3 PID: 1117 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 54.034378] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.041185] RIP: 0010:native_write_cr4+0x45/0x60 [ 54.046342] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 cc b1 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 54.067325] RSP: 0018:ffffa1b7c1a87e48 EFLAGS: 00010286 [ 54.073161] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 54.081133] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 54.089103] RBP: ffffffffb1d81f85 R08: 0000000000000000 R09: 0000000000000000 [ 54.097076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.105048] R13: ffffa1b7c1a87f10 R14: ffffa1b7c1a87f10 R15: ffff924ac38a8000 [ 54.113019] FS: 00007f19c40f4580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 PT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh[ 54.122062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.134693] CR2: 00007f19c3efd000 CR3: 0000000104092005 CR4: 00000000003706e0 # [ 52.588343] lkdtm: Performing direct entry CORRUPT_LIST_D[ 54.142665] Call Trace: EL # [ 52.600487] lkdtm: attempting good list removal # [ [ 54.151609] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 54.162709] direct_entry.cold+0x2c/0x38 52.605559] lkdtm: attempting corrupted list removal # [ 52.61[ 54.167102] full_proxy_write+0x53/0x80 [ 54.177591] vfs_write+0xe7/0x3a0 [ 54.181322] ksys_write+0x68/0xf0 [ 54.185025] do_syscall_64+0x30/0x40 [ 54.189047] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.194691] RIP: 0033:0x7f19c400a8f3 [ 54.198714] 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 [ 54.219700] RSP: 002b:00007ffebe260628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.228189] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f19c400a8f3 [ 54.236160] RDX: 000000000000000b RSI: 00007f19c3efd000 RDI: 0000000000000001 [ 54.244132] RBP: 00007f19c3efd000 R08: 00007f19c3efc010 R09: 0000000000000000 [ 54.252104] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.260075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.268053] irq event stamp: 0 1113] lkdtm: list_del() corruption not detected! # CORRUPT_LIST[ 54.271489] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.284699] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.293866] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.303006] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.310006] ---[ end trace 0d22e6cf039e2845 ]--- [ 54.315162] lkdtm: ok: SMEP did not get cleared _DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests[ 54.320220] lkdtm: trying to clear SMEP with call gadget [ 54.332369] lkdtm: ok: SMEP removal was reverted : lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 52.757523] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 52.766880] lkdtm: attempting bad read from page below current stack # [ 52.780218] BUG: stack guard page was hit at 00000000d57e3b52 (stack is 000000007ee2c7c5..0000000078678ff3) # [ 52.797293] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 52.804098] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 52.812743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.819549] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 52.826062] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e8 27 d8 b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 28 28 d8 b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 52.853253] RSP: 0018:ffffa1b7c1977e50 EFLAGS: 00010246 # [ 52.859086] RAX: 0000000000000038 RBX: ffffa1b7c1974000 RCX: 0000000000000000 # [ 52.867055] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffffffffb1d82828 # [ 52.875023] RBP: fffff[ 54.445999] lkdtm: Performing direct entry DOUBLE_FAULT fffb1d81f52 R08: 0000000000000000 R09: 0000000000000000 # [ 5[ 54.455742] lkdtm: XFAIL: this test is ia32-only 2.882992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 52.890980] R13: ffffa1b7c1977f10 R14: ffffa1b7c1977f10 R15: ffff924ac3f91000 # [ 52.898948] FS: 00007fb573abd580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 52.908001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.914416] CR2: ffffa1b7c1973fff CR3: 0000000104d4a004 CR4: 00000000003706e0 # [ 52.922381] Call Trace: # [ 52.925107] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 52.930164] direct_entry.cold+0x2c/0x38 # [ 52.934541] full_proxy_write+0x53/0x80 # [ 52.938822] vfs_write+0xe7/0x3a0 # [ 52.948728] ksys_write+0x68/0xf0 # [ 52.952418] do_syscall_64+0x30/0x40 # [ 52.956407] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.962043] RIP: 0033:0x7fb5739d38f3 # [ 52.966030] 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 # [ 52.987012] RSP: 002b:00007ffcebfc6628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.995464] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb5739d38f3 # [ 53.003431] RDX: 0000000000000019 RSI: 00007fb5738c6000 RDI: 0000000000000001 # [ 53.011400] RBP: 00007fb5738c6000 R08: 00007fb5738c5010 R09: 0000000000000000 # [ 53.019357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.027325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.035296] Modules linked in: fuse ip_tables cros_ec_sen[ 54.621519] lkdtm: Performing direct entry CORRUPT_PAC [ 54.628022] lkdtm: XFAIL: this test is arm64-only sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.067950] ---[ end trace 0d22e6cf039e2843 ]--- # [ 53.073106] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.077481] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 53.098450] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 53.104282] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.112249] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 53.120214] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 53.128180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.136148] R13: ffffa1b7[ 54.723711] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 53.1[ 54.733780] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 44116] FS: 00007fb573abd580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 53.153152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.159565] CR2: ffffa1b7c1973fff CR3: 0000000104d4a004 CR4: 00000000003706e0 # [ 53.167532] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.177443] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1048, name: cat # [ 53.185894] INFO: lockdep is turned off. # [ 53.190268] irq event stamp: 0 # [ 53.193671] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.200669] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.209793] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.218924] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.225947] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 53.234593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.241395] Call Trace: # [ 53.244121] dump_stack+0x77/0x9b # [ 53.247821] ___might_sleep.cold+0xa6/0xb6 # [ 53.258603] exit_signals+0x1c/0x2e0 # [ 53.262590] do_exit+0xd5/0xb00 # [ 53.266091] ? ksys_write+0x68/0xf0 # [ 53.269997] rewind_stack_do_exit+0x17/0x20 # [ 53.274673] RIP: 0033:0x7fb5739d38f3 # [ 53.284872] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.305851] RSP: 002b:00007ffcebfc6628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.314306] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 000[ 54.910494] lkdtm: Performing direct entry READ_AFTER_FREE 07fb5739d38f3 # [ 53.322274] RDX: 0000000000000019 RSI: 00007[ 54.921535] lkdtm: Value in memory before free: 12345678 fb5738c6000 RDI: 0000000000000001 # [ 53.330241] RBP: 00007fb[ 54.933686] lkdtm: Attempting bad read from freed memory 5738c6000 R08: 00007fb5738c5010 R09: 0000000000000000 # [ 53.[ 54.945826] lkdtm: Memory was not poisoned 338209] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.346175] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 53.464480] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 53.473121] lkdtm: attempting bad read from page above current stack # [ 53.480238] BUG: stack guard page was hit at 00000000e191e44e (stack is 00000000591c4a54..00000000cdde68d7) # [ 53.491133] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 53.497938] CPU: 2 PID: 1081 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 53.512801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.519600] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 53.526210] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 60 28 d8 b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 a0 28 d8 b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 53.553406] RSP: 0018:ffffa1b7c19f7e50 EFLAGS: 00010246 # [ 53.559238] RAX: 0000000000000038 RBX: ffffa1b7c19f4000 RCX: 0000000000000000 # [ 53.567205] RDX: 0000000000000000 RSI: ffff924b3ad1bf70 RDI: ffffffffb1d828a0 # [ 53.575173] RBP: ffffffffb1d81f6b R08: 0000000000000000 R09: 0000000000000000 # [ 53.583139] R10: 00000000ffffe0[ 55.096224] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 00 R11: 3fffffffffffffff R12: 000000000000001a # [ 53.591106][ 55.106238] lkdtm: Value in memory before free: 12345678 R13: ffffa1b7c19f7f10 R14: ffffa1b7c19f7f10 R15: ffff924ac57290[ 55.118387] lkdtm: Attempting to read from freed memory 00 # [ 53.599073] FS: 00007fd11e323580(0000) GS:ffff924b3ad0[ 55.130435] lkdtm: Buddy page was not poisoned 0000(0000) knlGS:0000000000000000 # [ 53.608108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.614521] CR2: ffffa1b7c19f8000 CR3: 000000010397e001 CR4: 00000000003706e0 # [ 53.622487] Call Trace: # [ 53.625215] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 53.631047] direct_entry.cold+0x2c/0x38 # [ 53.635414] full_proxy_write+0x53/0x80 # [ 53.639687] vfs_write+0xe7/0x3a0 # [ 53.643384] ksys_write+0x68/0xf0 # [ 53.647072] do_syscall_64+0x30/0x40 # [ 53.651060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.656698] RIP: 0033:0x7fd11e2398f3 # [ 53.660685] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.681662] RSP: 002b:00007ffc08aec358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.690116] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd11e2398f3 # [ 53.698085] RDX: 000000000000001a RSI: 00007fd11e12c000 RDI: 0000000000000001 # [ 53.706051] RBP: 00007fd11e12c000 R08: 00007fd11e12b010 R09: 0000000000000[ 55.251005] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 000 # [ 53.714018] R10: fffffffffffffbc5 R11: 000000000000024[ 55.259710] lkdtm: Attempting double slab free ... 6 R12: 0000000000000001 # [ 53.722000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.729972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.756421] ---[ end trace 0d22e6cf039e2844 ]--- # [ 53.761564] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.765949] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 53.786949] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 53.792782] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.800749] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 53.808715] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 5[ 55.368141] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 55.376955] lkdtm: Attempting cross-cache slab free ... 3.816684] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.824649] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 53.832616] FS: 00007fd11e323580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 # [ 53.841650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.848065] CR2: ffffa1b7c19f8000 CR3: 000000010397e001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 53.965913] lkdtm: Performing direct entry UNSET_SMEP # [ 53.973626] lkdtm: trying to clear SMEP normally # [ 53.978812] ------------[ cut here ]------------ # [ 53.983986] pinned CR4 bits changed: 0x100000!? # [ 53.989065] WARNING: CPU: 3 PID: 1117 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 53.999284] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 55.478896] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 55.488281] lkdtm: Attempting non-Slab slab free ... s_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.025727] CPU: 3 PID: 1117 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 54.034378] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.041185] RIP: 0010:native_write_cr4+0x45/0x60 # [ 54.046342] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f5 8f e3 01 00 75 f2 48 c7 c7 a8 13 cc b1 c6 05 e5 8f e3 01 01 e8 a6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 54.067325] RSP: 0018:ffffa1b7c1a87e48 EFLAGS: 00010286 # [ 54.073161] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 54.081133] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 54.089103] RBP: ffffffffb1d81f85 R08: 0000000000000000 R09: 0000000000000000 # [ 54.097076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.105048] R13: ffffa1b7c1a87f10 R14: ffffa1b7c1a87f10 R15: ffff924ac38a8000 # [ 54.113019] FS: 00007f19c40f4580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 54.122062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.134693] CR2: 00007f19c3efd000 CR3: 0000000104092005 CR4: 00000000003706e0 # [ 54.142665] Call Trace: # [ 54.151609] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 54.162709] direct_entry.cold+0x2c/0x38 # [ 54.167102] full_proxy_write+0x53/0x80 # [ 54.177591] vfs_write+0xe7/0x3a0 # [ 54.181322] ksys_write+0x68/0xf0 # [ 54.185025] do_syscall_64+0x30/0x40 # [ 54.189047] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.194691] RIP: 0033:0x7f19c400a8f3 # [ 54.198714] 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 # [ 54.219700] RSP: 002b:00007ffebe260628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.228189] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f19c400a8f3 # [ 54.236160] RDX: 000000000000000b RSI: 00007f19c3efd000 RDI: 0000000000000001 # [ 54.244132] RBP: 00007f19c3efd000 R08: 00007f19c3efc010 R09: 0000000000000000 # [ 54.252104] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.260075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.[ 55.729120] lkdtm: Performing direct entry EXEC_DATA 268053] irq event stamp: 0 # [ 54.271489] hardirqs last enab[ 55.735620] lkdtm: attempting ok execution at ffffffffb0cdedc0 led at (0): [<0000000000000000>] 0x0 # [ 54.284699] hardirqs [ 55.748352] lkdtm: attempting bad execution at ffffffffb360c560 last disabled at (0): [] copy_process+0x640/0x[ 55.761188] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.775749] BUG: unable to handle page fault for address: ffffffffb360c560 [ 55.783425] #PF: supervisor instruction fetch in kernel mode [ 55.789742] #PF: error_code(0x0011) - permissions violation [ 55.795961] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 80000000594000e3 1c80 # [ 54.293866] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.303006] softirqs [ 55.833380] Code: ff ff 00 da 2d c4 4a 92 ff ff 00 d9 2d c4 4a 92 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 [ 55.860572] RSP: 0018:ffffa1b7c2297e48 EFLAGS: 00010246 [ 55.866405] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.874372] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 [ 55.882341] RBP: ffffffffb360c560 R08: 0000000000000000 R09: 0000000000000000 [ 55.890307] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.898275] R13: ffffa1b7c2297f10 R14: ffffa1b7c2297f10 R15: ffff924ac54da000 [ 55.906245] FS: 00007f6c1d03b580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 55.915273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.921687] CR2: ffffffffb360c560 CR3: 0000000105758004 CR4: 00000000003706e0 [ 55.929654] Call Trace: [ 55.932381] ? execute_location+0x45/0x56 last disabled at (0): [<0000000000000000>] 0x0 # [ 54.310006][ 55.936857] ? direct_entry.cold+0x2c/0x38 [ 55.947641] ? full_proxy_write+0x53/0x80 [ 55.952118] ? vfs_write+0xe7/0x3a0 [ 55.956009] ? ksys_write+0x68/0xf0 [ 55.959901] ? do_syscall_64+0x30/0x40 [ 55.964085] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ---[ end trace 0d22e6cf039e2845 ]--- # [ 54.315162] lkdtm: o[ 55.969922] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.002578] CR2: ffffffffb360c560 [ 56.006267] ---[ end trace 0d22e6cf039e2846 ]--- [ 56.011420] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.015795] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 56.036773] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 56.042604] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.050571] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 56.058539] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 56.066508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.074475] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 56.082442] FS: 00007f6c1d03b580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 56.091478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.097891] CR2: ffffffffb360c560 CR3: 0000000105758004 CR4: 00000000003706e0 [ 56.105861] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.115761] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1624, name: cat [ 56.124214] INFO: lockdep is turned off. [ 56.128589] irq event stamp: 0 [ 56.132006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.139002] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.148134] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.157267] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.164266] CPU: 1 PID: 1624 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 56.172904] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.179706] Call Trace: [ 56.182435] dump_stack+0x77/0x9b k: SMEP did not get cleared # [ 54.320220] lkdtm: trying to c[ 56.186134] ___might_sleep.cold+0xa6/0xb6 [ 56.196916] exit_signals+0x1c/0x2e0 [ 56.200906] do_exit+0xd5/0xb00 [ 56.204408] ? ksys_write+0x68/0xf0 lear SMEP with call gadget # [ 54.332369] lkdtm: ok: SMEP rem[ 56.208301] rewind_stack_do_exit+0x17/0x20 [ 56.219179] RIP: 0033:0x7f6c1cf518f3 [ 56.223168] 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 [ 56.244144] RSP: 002b:00007ffd8b815e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.252598] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c1cf518f3 [ 56.260565] RDX: 000000000000000a RSI: 00007f6c1ce44000 RDI: 0000000000000001 [ 56.268531] RBP: 00007f6c1ce44000 R08: 00007f6c1ce43010 R09: 0000000000000000 [ 56.276499] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.284466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 oval was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 54.445999] lkdtm: Performing direct entry DOUBLE_FAULT # [ 54.455742] 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 # [ 54.621519] lkdtm: Performing direct entry CORRUPT_PAC # [ 54.628022] 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 # [ 54.723711] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 54.733780] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 54.910494] lkdtm: Performing direct entry READ_AFTER_FREE # [ 54.921535] lkdtm: Value in memory before free: 12345678 # [ 54.933686] lkdtm: Attempting bad read from freed memory # [ 54.945826] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:':[ 56.437388] lkdtm: Performing direct entry EXEC_STACK [ 56.447255] lkdtm: attempting ok execution at ffffffffb0cdedc0 [ 56.453780] lkdtm: attempting bad execution at ffffa1b7c22ffe18 [ 56.460404] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.468767] BUG: unable to handle page fault for address: ffffa1b7c22ffe18 [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1[ 56.476447] #PF: supervisor instruction fetch in kernel mode [ 56.488977] #PF: error_code(0x0011) - permissions violation [# selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRIT 56.495201] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103b34067 PTE 8000000103be0063 [ 56.510458] Oops: 0011 [#6] SMP PTI [ 56.514350] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 56.523002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.529805] RIP: 0010:0xffffa1b7c22ffe18 [ 56.534180] Code: 00 00 18 fe 2f c2 b7 a1 ff ff 59 d5 33 b1 ff ff ff ff 20 00 00 00 00 00 00 00 ae 20 d8 b1 ff ff ff ff 88 d6 33 b1 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 [ 56.555160] RSP: 0018:ffffa1b7c22ffdf8 EFLAGS: 00010246 [ 56.561003] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.568970] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 56.576951] RBP: ffffa1b7c22ffe18 R08: 0000000000000000 R09: 0000000000000000 [ 56.584938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b E_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests:[ 56.592915] R13: ffffa1b7c22fff10 R14: ffffa1b7c22fff10 R15: ffff924ac397f000 [ 56.607095] FS: 00007fd21fdca580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 56.616130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.622545] CR2: ffffa1b7c22ffe18 CR3: 00000001027ec002 CR4: 00000000003706e0 [ 56.630513] Call Trace: [ 56.633242] ? execute_location+0x45/0x56 [ 56.637715] ? lkdtm_EXEC_STACK+0x26/0x44 [ 56.642180] ? direct_entry.cold+0x2c/0x38 [ 56.646741] ? full_proxy_write+0x53/0x80 [ 56.651215] ? vfs_write+0xe7/0x3a0 [ 56.655105] ? ksys_write+0x68/0xf0 [ 56.659002] ? do_syscall_64+0x30/0x40 [ 56.663185] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.669021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: RE[ 56.695474] CR2: ffffa1b7c22ffe18 [ 56.705381] ---[ end trace 0d22e6cf039e2847 ]--- [ 56.710535] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.714909] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 56.735888] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 56.741720] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.749687] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 56.757654] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 56.765621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.773588] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 56.781557] FS: 00007fd21fdca580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 56.790584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.797003] CR2: ffffa1b7c22ffe18 CR3: 00000001027ec002 CR4: 00000000003706e0 [ 56.804972] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.814881] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1660, name: cat [ 56.823333] INFO: lockdep is turned off. [ 56.827708] irq event stamp: 0 [ 56.831112] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.838110] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.847242] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.856377] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.863374] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 56.872010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.878813] Call Trace: [ 56.881540] dump_stack+0x77/0x9b [ 56.885238] ___might_sleep.cold+0xa6/0xb6 [ 56.889808] exit_signals+0x1c/0x2e0 [ 56.893787] do_exit+0xd5/0xb00 [ 56.897290] ? ksys_write+0x68/0xf0 [ 56.901182] rewind_stack_do_exit+0x17/0x20 [ 56.905849] RIP: 0033:0x7fd21fce08f3 [ 56.909828] 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 [ 56.930805] RSP: 002b:00007ffef006c0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.939259] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd21fce08f3 [ 56.947226] RDX: 000000000000000b RSI: 00007fd21fbd3000 RDI: 0000000000000001 [ 56.955193] RBP: 00007fd21fbd3000 R08: 00007fd21fbd2010 R09: 0000000000000000 [ 56.963160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.971127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 AD_BUDDY_AFTER_FREE.sh # [ 55.096224] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 55.106238] lkdtm: Value in memory before free: 12345678 # [ 55.118387] lkdtm: Attempting to read from freed memory # [ 55.130435] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 55.251005] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 55.259710] 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 # [ 55.368141] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 55.376955] 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 # [ 55.478896] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 55.488281] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 55.729120] lkdtm: Performing direct entry EXEC_DATA # [ 55.735620] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 55.748352] lkdtm: attempting bad execution at fffff[ 57.161047] lkdtm: Performing direct entry EXEC_KMALLOC [ 57.171516] lkdtm: attempting ok execution at ffffffffb0cdedc0 [ 57.178043] lkdtm: attempting bad execution at ffff924ac39c33c0 [ 57.184688] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 57.193077] BUG: unable to handle page fault for address: ffff924ac39c33c0 [ 57.200755] #PF: supervisor instruction fetch in kernel mode [ 57.207071] #PF: error_code(0x0011) - permissions violation [ 57.213291] PGD 59601067 P4D 59601067 PUD 10084c063 PMD 1046b1063 PTE 80000001039c3063 [ 57.222136] Oops: 0011 [#7] SMP PTI [ 57.226026] CPU: 3 PID: 1696 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 57.234673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.241476] RIP: 0010:0xffff924ac39c33c0 [ 57.245842] Code: ad de 00 8c 46 c5 4a 92 ff ff 80 3d 9c c3 4a 92 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> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 57.266820] RSP: 0018:ffffa1b7c23b7e38 EFLAGS: 00010246 [ 57.272653] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.280619] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 57.288588] RBP: ffff924ac39c33c0 R08: 0000000000000000 R09: 0000000000000000 [ 57.296555] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.304522] R13: ffffa1b7c23b7f10 R14: ffffa1b7c23b7f10 R15: ffff924ac4c7a000 [ 57.312489] FS: 00007faffb6cd580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 57.321525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.327947] CR2: ffff924ac39c33c0 CR3: 0000000104d3c002 CR4: 00000000003706e0 [ 57.335915] Call Trace: [ 57.338644] ? execute_location+0x45/0x56 [ 57.343119] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 57.347785] ? direct_entry.cold+0x2c/0x38 [ 57.352355] ? full_proxy_write+0x53/0x80 [ 57.356829] ? vfs_write+0xe7/0x3a0 [ 57.360720] ? ksys_write+0x68/0xf0 [ 57.364610] ? do_syscall_64+0x30/0x40 [ 57.368793] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.374619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffb360c560 # [ 55.761188] kernel tried to execute NX-protect[ 57.401079] CR2: ffff924ac39c33c0 [ 57.411001] ---[ end trace 0d22e6cf039e2848 ]--- [ 57.416154] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.420530] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 57.441509] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 57.447341] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.455308] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 57.463274] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 57.471241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.479209] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 57.487175] FS: 00007faffb6cd580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 57.496211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.502626] CR2: ffff924ac39c33c0 CR3: 0000000104d3c002 CR4: 00000000003706e0 ed page - exploit attempt? (uid: 0) # [ 55.775749] BUG: unable to handle page fault for address: ffffffffb360c560 # [ 55.783425] #PF: supervisor instruction fetch in kernel mode # [ 55.789742] #PF: error_code(0x0011) - permissions violation # [ 55.795961] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 80000000594000e3 # [ 55.803448] Oops: 0011 [#5] SMP PTI # [ 55.813550] CPU: 1 PID: 1624 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 55.822196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.829004] RIP: 0010:data_area+0x0/0x40 # [ 55.833380] Code: ff ff 00 da 2d c4 4a 92 ff ff 00 d9 2d c4 4a 92 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 # [ 55.860572] RSP: 0018:ffffa1b7c2297e48 EFLAGS: 00010246 # [ 55.866405] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.874372] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 # [ 55.882341] RBP: ffffffffb360c560 R08: 0000000000000000 R09: 0000000000000000 # [ 55.890307] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 55.898275] R[ 57.623579] lkdtm: Performing direct entry EXEC_VMALLOC 13: ffffa1b7c2297f10 R14: ffffa1b7c2297f10 R15: ffff924ac54da000[ 57.634580] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 55.906245] FS: 00007f6c1d03b580(0000) GS:ffff924b3ac800[ 57.647304] lkdtm: attempting bad execution at ffffa1b7c06c5000 00(0000) knlGS:0000000000000000 # [ 55.915273] CS: 0010 DS: [ 57.660158] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 57.674713] BUG: unable to handle page fault for address: ffffa1b7c06c5000 [ 57.682388] #PF: supervisor instruction fetch in kernel mode [ 57.688704] #PF: error_code(0x0011) - permissions violation [ 57.694948] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10655f067 PTE 80000001028d4063 [ 57.703995] Oops: 0011 [#8] SMP PTI [ 57.707887] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 57.716535] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.723338] RIP: 0010:0xffffa1b7c06c5000 [ 57.727715] Code: Unable to access opcode bytes at RIP 0xffffa1b7c06c4fd6. [ 57.735390] RSP: 0018:ffffa1b7c2467e38 EFLAGS: 00010246 [ 57.741216] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.749184] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 [ 57.757152] RBP: ffffa1b7c06c5000 R08: 0000000000000000 R09: 0000000000000000 [ 57.765119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.773087] R13: ffffa1b7c2467f10 R14: ffffa1b7c2467f10 R15: ffff924ac28d4000 [ 57.781056] FS: 00007f1bda2c9580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 [ 57.790093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.796507] CR2: ffffa1b7c06c4fd6 CR3: 0000000100fcc002 CR4: 00000000003706f0 [ 57.804474] Call Trace: [ 57.807201] ? execute_location+0x45/0x56 [ 57.811681] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 57.816354] ? direct_entry.cold+0x2c/0x38 [ 57.820916] ? full_proxy_write+0x53/0x80 [ 57.825419] ? vfs_write+0xe7/0x3a0 [ 57.829302] ? ksys_write+0x68/0xf0 [ 57.833194] ? do_syscall_64+0x30/0x40 [ 57.837378] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.843213] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.869650] CR2: ffffa1b7c06c5000 [ 57.873347] ---[ end trace 0d22e6cf039e2849 ]--- [ 57.878490] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.882866] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 57.903844] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 57.909667] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.917634] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 57.925601] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 57.933568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.941537] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 57.949506] FS: 00007f1bda2c9580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 [ 57.958541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.964955] CR2: ffffa1b7c06c4fd6 CR3: 0000000100fcc002 CR4: 00000000003706f0 [ 57.972923] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.982832] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1732, name: cat [ 57.991285] INFO: lockdep is turned off. [ 57.995650] irq event stamp: 0 [ 57.999055] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.006044] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.015177] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.024310] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.031300] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 58.039938] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.046739] Call Trace: [ 58.049467] dump_stack+0x77/0x9b [ 58.053169] ___might_sleep.cold+0xa6/0xb6 [ 58.057745] exit_signals+0x1c/0x2e0 [ 58.061739] do_exit+0xd5/0xb00 [ 58.065243] ? ksys_write+0x68/0xf0 [ 58.069134] rewind_stack_do_exit+0x17/0x20 [ 58.073808] RIP: 0033:0x7f1bda1df8f3 [ 58.077786] 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 [ 58.098764] RSP: 002b:00007ffdf3c19888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.107210] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f1bda1df8f3 [ 58.115169] RDX: 000000000000000d RSI: 00007f1bda0d2000 RDI: 0000000000000001 [ 58.123137] RBP: 00007f1bda0d2000 R08: 00007f1bda0d1010 R09: 0000000000000000 [ 58.131105] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.139073] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 ES: 0000 CR0: 0000000080050033 # [ 55.921687] CR2: ffffffffb360c560 CR3: 0000000105758004 CR4: 00000000003706e0 # [ 55.929654] Call Trace: # [ 55.932381] ? execute_location+0x45/0x56 # [ 55.936857] ? direct_entry.cold+0x2c/0x38 # [ 55.947641] ? full_proxy_write+0x53/0x80 # [ 55.952118] ? vfs_write+0xe7/0x3a0 # [ 55.956009] ? ksys_write+0x68/0xf0 # [ 55.959901] ? do_syscall_64+0x30/0x40 # [ 55.964085] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.969922] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.002578] CR2: ffffffffb360c560 # [ 56.006267] ---[ end trace 0d22e6cf039e2846 ]--- # [ 56.011420] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.015795] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 56.036773] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 56.042604] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.050571] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 56.058539] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.066508] R10: 00000000ffffe00[ 58.286622] lkdtm: Performing direct entry EXEC_RODATA [ 58.295752] lkdtm: attempting ok execution at ffffffffb0cdedc0 [ 58.302300] lkdtm: attempting bad execution at ffffffffb199b320 [ 58.308921] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.317285] BUG: unable to handle page fault for address: ffffffffb199b320 [ 58.324962] #PF: supervisor instruction fetch in kernel mode [ 58.331281] #PF: error_code(0x0011) - permissions violation [ 58.337491] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 80000000576000e1 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.074475] [ 58.344980] Oops: 0011 [#9] SMP PTI [ 58.355081] CPU: 3 PID: 1768 Comm: cat Tainted: G D W 5.10.147-cip17 #1 R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc00[ 58.363731] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.376751] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 58.382486] Code: ff ff f8 ea 33 b1 ff ff ff ff fa 22 d8 b1 ff ff ff ff 3e d2 33 b1 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 58.403465] RSP: 0018:ffffa1b7c2507e48 EFLAGS: 00010246 [ 58.409298] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.417257] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 58.425226] RBP: ffffffffb199b320 R08: 0000000000000000 R09: 0000000000000000 [ 58.433193] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.441160] R13: ffffa1b7c2507f10 R14: ffffa1b7c2507f10 R15: ffff924ac3ffc000 [ 58.449129] FS: 00007f1f2680c580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 58.458157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.464563] CR2: ffffffffb199b320 CR3: 0000000103bfc001 CR4: 00000000003706e0 [ 58.472529] Call Trace: [ 58.475256] ? execute_location+0x45/0x56 [ 58.479730] ? direct_entry.cold+0x2c/0x38 [ 58.484302] ? full_proxy_write+0x53/0x80 [ 58.488776] ? vfs_write+0xe7/0x3a0 [ 58.492667] ? ksys_write+0x68/0xf0 [ 58.496560] ? do_syscall_64+0x30/0x40 [ 58.500741] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.506576] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 # [ 56.082442] FS: 00007f6c1d03b580(0000) GS:ffff924b3ac80[ 58.533032] CR2: ffffffffb199b320 [ 58.542953] ---[ end trace 0d22e6cf039e284a ]--- [ 58.548107] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.552482] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 58.573463] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 58.579294] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.587263] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 58.595231] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 58.603198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.611164] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 58.619131] FS: 00007f1f2680c580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 58.628166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.634580] CR2: ffffffffb199b320 CR3: 0000000103bfc001 CR4: 00000000003706e0 000(0000) knlGS:0000000000000000 # [ 56.091478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.097891] CR2: ffffffffb360c560 CR3: 0000000105758004 CR4: 00000000003706e0 # [ 56.105861] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.115761] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1624, name: cat # [ 56.124214] INFO: lockdep is turned off. # [ 56.128589] irq event stamp: 0 # [ 56.132006] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.139002] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.148134] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.157267] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.164266] CPU: 1 PID: 1624 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 56.172904] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.179706] Call Trace: # [ 56.182435] dump_stack+0x77/0x9b # [ 56.186134] ___might_sleep.cold+0xa6/0xb6 # [ 56.196916] exit_signals+0x1c/0x2e0 # [ 56.200906] do_exi[ 58.749366] lkdtm: Performing direct entry EXEC_USERSPACE t+0xd5/0xb00 # [ 56.204408] ? ksys_write+0x68/0xf0 # [ 56[ 58.760535] lkdtm: attempting ok execution at ffffffffb0cdedc0 .208301] rewind_stack_do_exit+0x17/0x20 # [ 56.219179] RIP: [ 58.773295] lkdtm: attempting bad execution at 00007f9f308b8000 0033:0x7f6c1cf518f3 # [ 56.223168] Code: 8b 15 a1 25 0e 00 f7[ 58.786104] unable to execute userspace code (SMEP?) (uid: 0) [ 58.798741] BUG: unable to handle page fault for address: 00007f9f308b8000 [ 58.806422] #PF: supervisor instruction fetch in kernel mode [ 58.812740] #PF: error_code(0x0011) - permissions violation d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 58.818952] PGD 8000000105666067 P4D 8000000105666067 PUD 10565c067 PMD 104db8067 PTE 115337067 [ 58.834888] Oops: 0011 [#10] SMP PTI [ 58.838875] CPU: 1 PID: 1804 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 58.847523] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.854327] RIP: 0010:0x7f9f308b8000 [ 58.858305] Code: Unable to access opcode bytes at RIP 0x7f9f308b7fd6. [ 58.865593] RSP: 0018:ffffa1b7c255fe50 EFLAGS: 00010246 [ 58.871418] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 58.879385] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 [ 58.887352] RBP: 00007f9f308b8000 R08: 0000000000000000 R09: 0000000000000000 [ 58.895321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 58.903290] R13: ffffa1b7c255ff10 R14: ffffa1b7c255ff10 R15: ffff924ac3eca000 [ 58.911258] FS: 00007f9f30889580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 58.920294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.926710] CR2: 00007f9f308b8000 CR3: 00000001056e0005 CR4: 00000000003706e0 [ 58.934677] Call Trace: [ 58.937407] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 58.942757] ? direct_entry.cold+0x2c/0x38 [ 58.953542] ? full_proxy_write+0x53/0x80 [ 58.958018] ? vfs_write+0xe7/0x3a0 [ 58.961909] ? ksys_write+0x68/0xf0 [ 58.965802] ? do_syscall_64+0x30/0x40 [ 58.970000] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.244144] [ 58.975836] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.008469] CR2: 00007f9f308b8000 [ 59.012157] ---[ end trace 0d22e6cf039e284b ]--- [ 59.017312] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.021680] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 59.042653] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 59.048487] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.056454] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 59.064422] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 59.072391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.080358] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 59.088326] FS: 00007f9f30889580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 59.097363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.103779] CR2: 00007f9f308b8000 CR3: 00000001056e0005 CR4: 00000000003706e0 RSP: 002b:00007ffd8b815e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.252598] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c1cf518f3 # [ 56.260565] RDX: 000000000000000a RSI: 00007f6c1ce44000 RDI: 0000000000000001 # [ 56.268531] RBP: 00007f6c1ce44000 R08: 00007f6c1ce43010 R09: 0000000000000000 # [ 56.276499] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.284466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 56.437388] lkdtm: Performing direct entry EXEC_STACK # [ 56.447255] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 56.453780] lkdtm: attempting bad execution at ffffa1b7c22ffe18 # [ 56.460404] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.468767] BUG: unable to handle page fault for address: ffffa1b7c22ffe18 # [ 56.476447] #PF: supervisor instruction fetch in kernel mode # [ 56.488977] #PF: error_code(0x0011) - permissions violation # [ 56.495201] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103b34067 PTE 8000000103be0063 # [ 56.510458] Oops: 0011 [#6] SMP PTI # [ 56.514350] CPU: 3 PID: 1660 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 56.523002] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 59.243600] lkdtm: Performing direct entry EXEC_NULL [ 59.254038] lkdtm: attempting ok execution at ffffffffb0cdedc0 20 # [ 56.529805] RIP: 0010:0xffffa1b7c22ffe18 # [ 56.5341[ 59.260575] lkdtm: attempting bad execution at 0000000000000000 [ 59.273398] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.281179] #PF: supervisor instruction fetch in kernel mode [ 59.287496] #PF: error_code(0x0010) - not-present page [ 59.293230] PGD 0 P4D 0 [ 59.296045] Oops: 0010 [#11] SMP PTI [ 59.300032] CPU: 3 PID: 1840 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 59.308679] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.315481] RIP: 0010:0x0 [ 59.318401] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 59.326076] RSP: 0018:ffffa1b7c257fe48 EFLAGS: 00010246 [ 59.331909] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.339876] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 59.347842] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.355809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 59.363775] R13: ffffa1b7c257ff10 R14: ffffa1b7c257ff10 R15: ffff924ac3bf9000 [ 59.371743] FS: 00007fe2bbfe7580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 59.380778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.387193] CR2: ffffffffffffffd6 CR3: 0000000104f2e005 CR4: 00000000003706e0 [ 59.395159] Call Trace: [ 59.397888] execute_location+0x45/0x56 [ 59.402168] direct_entry.cold+0x2c/0x38 [ 59.406537] full_proxy_write+0x53/0x80 [ 59.410819] vfs_write+0xe7/0x3a0 [ 59.414515] ksys_write+0x68/0xf0 [ 59.418213] do_syscall_64+0x30/0x40 [ 59.422200] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.427839] RIP: 0033:0x7fe2bbefd8f3 [ 59.431827] 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 [ 59.452798] RSP: 002b:00007ffc0d23f768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.461253] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2bbefd8f3 [ 59.469221] RDX: 000000000000000a RSI: 00007fe2bbdf0000 RDI: 0000000000000001 [ 59.477189] RBP: 00007fe2bbdf0000 R08: 00007fe2bbdef010 R09: 0000000000000000 [ 59.485157] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.493124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.501096] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 80] Code: 00 00 18 fe 2f c2 b7 a1 ff ff 59 d5 33 b1 ff ff ff ff [ 59.527552] CR2: 0000000000000000 [ 59.537460] ---[ end trace 0d22e6cf039e284c ]--- [ 59.542616] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.547006] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 59.568005] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 59.573837] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.581804] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 59.589772] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 59.597739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.605706] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 59.613675] FS: 00007fe2bbfe7580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 59.622711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.629126] CR2: ffffffffffffffd6 CR3: 0000000104f2e005 CR4: 00000000003706e0 [ 59.637094] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.647005] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1840, name: cat [ 59.655458] INFO: lockdep is turned off. [ 59.659833] irq event stamp: 0 [ 59.663238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.670236] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.679370] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.688503] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.695502] CPU: 3 PID: 1840 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 59.704150] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.710952] Call Trace: [ 59.713679] dump_stack+0x77/0x9b [ 59.717368] ___might_sleep.cold+0xa6/0xb6 [ 59.721951] exit_signals+0x1c/0x2e0 [ 59.725954] do_exit+0xd5/0xb00 [ 59.729458] ? ksys_write+0x68/0xf0 [ 59.733350] rewind_stack_do_exit+0x17/0x20 [ 59.738016] RIP: 0033:0x7fe2bbefd8f3 [ 59.742003] 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 [ 59.763001] RSP: 002b:00007ffc0d23f768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.771458] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2bbefd8f3 [ 59.779429] RDX: 000000000000000a RSI: 00007fe2bbdf0000 RDI: 0000000000000001 [ 59.787399] RBP: 00007fe2bbdf0000 R08: 00007fe2bbdef010 R09: 0000000000000000 [ 59.795368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.803337] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 20 00 00 00 00 00 00 00 ae 20 d8 b1 ff ff ff ff 88 d6 33 b1 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 # [ 56.555160] RSP: 0018:ffffa1b7c22ffdf8 EFLAGS: 00010246 # [ 56.561003] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.568970] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 56.576951] RBP: ffffa1b7c22ffe18 R08: 0000000000000000 R09: 0000000000000000 # [ 56.584938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 56.592915] R13: ffffa1b7c22fff10 R14: ffffa1b7c22fff10 R15: ffff924ac397f000 # [ 56.607095] FS: 00007fd21fdca580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 56.616130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.622545] CR2: ffffa1b7c22ffe18 CR3: 00000001027ec002 CR4: 00000000003706e0 # [ 56.630513] Call Trace: # [ 56.633242] ? execute_location+0x45/0x56 # [ 56.637715] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 56.642180] ? direct_entry.cold+0x2c/0x38 # [ 56.646741] ? full_proxy_write+0x53/0x80 # [ 56.651215] ? vfs_write+0xe7/0x3a0 # [ 56.655105] ? ksys_write+0x68/0xf0 # [ 56.659002] ? do_syscall_64+0x30/0x40 # [ 56.663185] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.669021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_[ 59.948121] lkdtm: Performing direct entry ACCESS_USERSPACE [ 59.954624] lkdtm: attempting bad read at 00007fa6b1852000 [ 59.960772] BUG: unable to handle page fault for address: 00007fa6b1852000 [ 59.968459] #PF: supervisor read access in kernel mode [ 59.974195] #PF: error_code(0x0001) - permissions violation bu[f industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub 59.980416] PGD 8000000103f93067 P4D 8000000103f93067 PUD 104d72067 PMD 104049067 PTE 114c92067 [ 59.996351] Oops: 0001 [#12] SMP PTI [ 60.000340] CPU: 3 PID: 1875 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 60.008988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.015794] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 60.022015] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 d8 b1 e8 09 9a fd ff 48 c7 c7 40 30 d8 b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 d8 [ 60.042996] RSP: 0018:ffffa1b7c26a7e48 EFLAGS: 00010246 [ 60.048829] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 60.056796] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffffffffb1d83040 [ 60.064764] RBP: 00007fa6b1852000 R08: 0000000000000000 R09: 0000000000000000 [ 60.072732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 60.080700] R13: ffffa1b7c26a7f10 R14: ffffa1b7c26a7f10 R15: ffff924ac3ecf000 [ 60.088667] FS: 00007fa6b1823580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 60.097703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.104117] CR2: 00007fa6b1852000 CR3: 0000000103eca005 CR4: 00000000003706e0 [ 60.112084] Call Trace: [ 60.114812] direct_entry.cold+0x2c/0x38 [ 60.119189] full_proxy_write+0x53/0x80 [ 60.123470] vfs_write+0xe7/0x3a0 [ 60.127166] ksys_write+0x68/0xf0 [ 60.130863] do_syscall_64+0x30/0x40 [ 60.134850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.140489] RIP: 0033:0x7fa6b17398f3 [ 60.144476] 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 [ 60.165446] RSP: 002b:00007ffc58d7d3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.173900] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa6b17398f3 [ 60.181866] RDX: 0000000000000011 RSI: 00007fa6b162c000 RDI: 0000000000000001 [ 60.189833] RBP: 00007fa6b162c000 R08: 00007fa6b162b010 R09: 0000000000000000 [ 60.197801] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.205769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.213741] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_d[ 60.240199] CR2: 00007fa6b1852000 [ 60.250109] ---[ end trace 0d22e6cf039e284d ]--- [ 60.255263] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.259639] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 60.280619] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 60.286443] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.294412] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 60.302380] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 60.310349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.318316] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 60.326284] FS: 00007fa6b1823580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 60.335321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.341735] CR2: 00007fa6b1852000 CR3: 0000000103eca005 CR4: 00000000003706e0 ev cros_usbpd_notify # [ 56.695474] CR2: ffffa1b7c22ffe18 # [ 56.705381] ---[ end trace 0d22e6cf039e2847 ]--- # [ 56.710535] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.714909] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 56.735888] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 56.741720] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.749687] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 56.757654] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.765621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.773588] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 56.781557] FS: 00007fd21fdca580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 56.790584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.797003] CR2: ffffa1b7c22ffe18 CR3: 00000001027ec002 CR4: 00000000003706e0 # [ 56.804972] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.814881] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1660, name: cat # [ 56.823333] INFO: lockdep is turned off. # [ 56.827708] irq event stamp: 0 # [ 56.831112] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.838110] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.847242] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.856377] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.863374] CPU: 3 PID: 1660 Comm: cat Tainted: G D W [ 60.518595] lkdtm: Performing direct entry ACCESS_NULL 5.10.147-cip17 #1 # [ 56.872010] Hardware name: Googl[ 60.529551] lkdtm: attempting bad read at 0000000000000000 e Rammus/Rammus, BIOS 09/04/2020 # [ 56.878813] Call Trace:[ 60.541924] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 60.555889] #PF: supervisor read access in kernel mode [ 60.561628] #PF: error_code(0x0000) - not-present page # [ 56.881540] dump_stack+0x77/0x9b # [ 56.885238] ___mi[ 60.567365] PGD 0 P4D 0 [ 60.576401] Oops: 0000 [#13] SMP PTI [ 60.580392] CPU: 1 PID: 1910 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 60.589041] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.595850] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 ght_sleep.cold+0xa6/0xb6 # [ 56.889808] exit_signals+0x1c/0x[ 60.601102] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 d8 b1 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 40 30 d8 b1 48 01 [ 60.628301] RSP: 0018:ffffa1b7c2737e58 EFLAGS: 00010246 [ 60.634126] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 60.642095] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 [ 60.650064] RBP: ffffffffb1d82109 R08: 0000000000000000 R09: 0000000000000000 [ 60.658033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 60.666003] R13: ffffa1b7c2737f10 R14: ffffa1b7c2737f10 R15: ffff924ac4c89000 [ 60.673974] FS: 00007fb64fed4580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 60.683003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.689419] CR2: 0000000000000000 CR3: 0000000104c66005 CR4: 00000000003706e0 [ 60.697387] Call Trace: [ 60.700115] direct_entry.cold+0x2c/0x38 2e0 # [ 56.893787] do_exit+0xd5/0xb00 # [ 56.897290] ? k[ 60.704497] full_proxy_write+0x53/0x80 [ 60.715005] vfs_write+0xe7/0x3a0 sys_write+0x68/0xf0 # [ 56.901182] rewind_stack_do_exit+0x17[ 60.718703] ksys_write+0x68/0xf0 [ 60.728614] do_syscall_64+0x30/0x40 [ 60.732603] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.738241] RIP: 0033:0x7fb64fdea8f3 [ 60.742228] 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 [ 60.763213] RSP: 002b:00007ffc4d5c3cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.771669] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb64fdea8f3 [ 60.779639] RDX: 000000000000000c RSI: 00007fb64fcdd000 RDI: 0000000000000001 [ 60.787609] RBP: 00007fb64fcdd000 R08: 00007fb64fcdc010 R09: 0000000000000000 [ 60.795580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.803549] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 /0x20 # [ 56.905849] RIP: 0033:0x7fd21fce08f3 # [ 56.90982[ 60.811523] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.844162] CR2: 0000000000000000 [ 60.847859] ---[ end trace 0d22e6cf039e284e ]--- [ 60.853004] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.857380] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 60.878360] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 60.884192] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.892162] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 60.900132] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 60.908100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.916069] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 60.924038] FS: 00007fb64fed4580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 60.933076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.939491] CR2: 0000000000000000 CR3: 0000000104c66005 CR4: 00000000003706e0 [ 60.947461] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.957374] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1910, name: cat [ 60.965831] INFO: lockdep is turned off. [ 60.970206] irq event stamp: 0 [ 60.973610] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.980609] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.989744] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.998879] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.005879] CPU: 1 PID: 1910 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 61.014530] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.021332] Call Trace: [ 61.024061] dump_stack+0x77/0x9b [ 61.027760] ___might_sleep.cold+0xa6/0xb6 [ 61.032333] exit_signals+0x1c/0x2e0 [ 61.036313] do_exit+0xd5/0xb00 [ 61.039816] ? ksys_write+0x68/0xf0 [ 61.043710] rewind_stack_do_exit+0x17/0x20 [ 61.048379] RIP: 0033:0x7fb64fdea8f3 [ 61.052366] 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 [ 61.073351] RSP: 002b:00007ffc4d5c3cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.081799] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb64fdea8f3 [ 61.089767] RDX: 000000000000000c RSI: 00007fb64fcdd000 RDI: 0000000000000001 [ 61.097736] RBP: 00007fb64fcdd000 R08: 00007fb64fcdc010 R09: 0000000000000000 [ 61.105706] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.113675] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8] 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 # [ 56.930805] RSP: 002b:00007ffef006c0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.939259] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fd21fce08f3 # [ 56.947226] RDX: 000000000000000b RSI: 00007fd21fbd3000 RDI: 0000000000000001 # [ 56.955193] RBP: 00007fd21fbd3000 R08: 00007fd21fbd2010 R09: 0000000000000000 # [ 56.963160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.971127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 57.161047] lkdtm: Performing direct entry EXEC_KMALLOC # [ 57.171516] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 57.178043] lkdtm: attempting bad execution at ffff924ac39c33c0 # [ 57.184688] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.193077] BUG: unable to handle page fault for address: ffff924ac39c33c0 # [ 57.200755] #PF: supervisor instruction fetch in kernel mode # [ 5[ 61.241763] lkdtm: Performing direct entry WRITE_RO [ 61.251397] lkdtm: attempting bad rodata write at ffffffffb199b310 [ 61.258358] BUG: unable to handle page fault for address: ffffffffb199b310 7.207071] #PF: error_code(0x0011) - permissions violation # [ [ 61.266045] #PF: supervisor write access in kernel mode [ 61.278091] #PF: error_code(0x0003) - permissions violation [ 61.284315] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 80000000576000e1 57.213291] PGD 59601067 P4D 59601067 PUD 10084c063 PMD 1046b106[ 61.291806] Oops: 0003 [#14] SMP PTI [ 61.302007] CPU: 3 PID: 1945 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 61.310655] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.317461] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 3 PTE 80000001039c3063 # [ 57.222136] Oops: 0011 [#7] SMP PTI[ 61.322420] Code: 00 48 c7 c7 f8 2e d8 b1 48 c7 c6 10 b3 99 b1 e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f d8 b1 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 0d [ 61.349614] RSP: 0018:ffffa1b7c27a7e60 EFLAGS: 00010202 [ 61.355448] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 61.363418] RDX: 00000000abcd1234 RSI: ffff924b3ad9bf70 RDI: ffffffffb1d82f28 [ 61.371387] RBP: ffffffffb1d82115 R08: 0000000000000000 R09: 0000000000000000 [ 61.379357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 61.387325] R13: ffffa1b7c27a7f10 R14: ffffa1b7c27a7f10 R15: ffff924ac4e7e000 [ 61.395295] FS: 00007fd381787580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 61.404325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.410739] CR2: ffffffffb199b310 CR3: 0000000103f84001 CR4: 00000000003706e0 [ 61.418706] Call Trace: [ 61.421433] direct_entry.cold+0x2c/0x38 [ 61.425812] full_proxy_write+0x53/0x80 [ 61.430093] vfs_write+0xe7/0x3a0 [ 61.433790] ksys_write+0x68/0xf0 [ 61.437478] do_syscall_64+0x30/0x40 [ 61.441458] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.447097] RIP: 0033:0x7fd38169d8f3 [ 61.451085] 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 [ 61.472067] RSP: 002b:00007fffd5672868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.480513] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd38169d8f3 [ 61.488482] RDX: 0000000000000009 RSI: 00007fd381590000 RDI: 0000000000000001 [ 61.496451] RBP: 00007fd381590000 R08: 00007fd38158f010 R09: 0000000000000000 [ 61.504419] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.512388] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.520362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.226026] CPU: 3 PID: 1696 Comm: cat Tainted: G D [ 61.546823] CR2: ffffffffb199b310 [ 61.556732] ---[ end trace 0d22e6cf039e284f ]--- [ 61.561886] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.566262] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 61.587245] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 61.593077] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.601045] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 61.609013] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 61.616999] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.624968] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 61.632950] FS: 00007fd381787580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 61.642003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.648416] CR2: ffffffffb199b310 CR3: 0000000103f84001 CR4: 00000000003706e0 W 5.10.147-cip17 #1 # [ 57.234673] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.241476] RIP: 0010:0xffff924ac39c33c0 # [ 57.245842] Code: ad de 00 8c 46 c5 4a 92 ff ff 80 3d 9c c3 4a 92 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> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 57.266820] RSP: 0018:ffffa1b7c23b7e38 EFLAGS: 00010246 # [ 57.272653] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.280619] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 57.288588] RBP: ffff924ac39c33c0 R08: 0000000000000000 R09: 0000000000000000 # [ 57.296555] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 57.304522] R13: ffffa1b7c23b7f10 R14: ffffa1b7c23b7f10 R15: ffff924ac4c7a000 # [ 57.312489] FS: 00007faffb6cd580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 57.321525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.327947] CR2: ffff924ac39c33c0 CR3: 0000000104d3c002 CR4: 00000000003706e0 # [ 57.335915] Call Trace: # [ 57.338644] ? execute_location+0x45/0x56 # [ 57.343119] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 57.347785] ? direct_entry.cold+0x2c/0x38 # [ 57[ 61.774652] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 61.787246] lkdtm: attempting bad ro_after_init write at ffffffffb1dfe330 [ 61.794893] BUG: unable to handle page fault for address: ffffffffb1dfe330 .352355] ? full_proxy_write+0x53/0x80 # [ 57.356829] ? vfs_[ 61.802573] #PF: supervisor write access in kernel mode [ 61.814616] #PF: error_code(0x0003) - permissions violation [ 61.820839] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 8000000057a000e1 write+0xe7/0x3a0 # [ 57.360720] ? ksys_write+0x68/0xf0 # [ [ 61.828329] Oops: 0003 [#15] SMP PTI [ 61.838528] CPU: 3 PID: 1980 Comm: cat Tainted: G D W 5.10.147-cip17 #1 57.364610] ? do_syscall_64+0x30/0x40 # [ 57.368793] ? ent[ 61.847177] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.860199] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 61.866225] Code: 2f d8 b1 e9 e3 9b fd ff 48 c7 c7 80 2f d8 b1 e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 28 2f d8 b1 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 61.887204] RSP: 0018:ffffa1b7c283fe60 EFLAGS: 00010202 [ 61.893036] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 61.901005] RDX: 00000000abcd1234 RSI: ffff924b3ad9bf70 RDI: ffffffffb1d82f28 [ 61.908971] RBP: ffffffffb1d8211e R08: 0000000000000000 R09: 0000000000000000 [ 61.916949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 61.924917] R13: ffffa1b7c283ff10 R14: ffffa1b7c283ff10 R15: ffff924ac3de5000 [ 61.932878] FS: 00007f50693b8580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 61.941913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.948327] CR2: ffffffffb1dfe330 CR3: 000000010277c005 CR4: 00000000003706e0 [ 61.956294] Call Trace: [ 61.959021] direct_entry.cold+0x2c/0x38 [ 61.963400] full_proxy_write+0x53/0x80 [ 61.967681] vfs_write+0xe7/0x3a0 [ 61.971378] ksys_write+0x68/0xf0 [ 61.975075] do_syscall_64+0x30/0x40 [ 61.979054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.984692] RIP: 0033:0x7f50692ce8f3 [ 61.988671] 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 [ 62.009652] RSP: 002b:00007fff6afdc868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.018106] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f50692ce8f3 [ 62.026073] RDX: 0000000000000014 RSI: 00007f50691c1000 RDI: 0000000000000001 [ 62.034042] RBP: 00007f50691c1000 R08: 00007f50691c0010 R09: 0000000000000000 [ 62.042011] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.049980] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.057974] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.084433] CR2: ffffffffb1dfe330 [ 62.088130] ---[ end trace 0d22e6cf039e2850 ]--- [ 62.093275] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.097651] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 62.118633] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 62.124466] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.132432] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 62.140401] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 62.148368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.156336] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 62.164303] FS: 00007f50693b8580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 62.173340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.179755] CR2: ffffffffb1dfe330 CR3: 000000010277c005 CR4: 00000000003706e0 [ 62.187722] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 62.197633] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1980, name: cat [ 62.206087] INFO: lockdep is turned off. [ 62.210461] irq event stamp: 0 [ 62.213866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.220866] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.230005] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.239138] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.246135] CPU: 3 PID: 1980 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 62.254783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.261586] Call Trace: [ 62.264314] dump_stack+0x77/0x9b [ 62.268014] ___might_sleep.cold+0xa6/0xb6 [ 62.272586] exit_signals+0x1c/0x2e0 [ 62.276574] do_exit+0xd5/0xb00 [ 62.280078] ? ksys_write+0x68/0xf0 [ 62.283971] rewind_stack_do_exit+0x17/0x20 [ 62.288638] RIP: 0033:0x7f50692ce8f3 [ 62.292625] 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 [ 62.313608] RSP: 002b:00007fff6afdc868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.322054] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f50692ce8f3 [ 62.330024] RDX: 0000000000000014 RSI: 00007f50691c1000 RDI: 0000000000000001 [ 62.338000] RBP: 00007f50691c1000 R08: 00007f50691c0010 R09: 0000000000000000 [ 62.345970] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.353947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.374619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.401079] CR2: ffff924ac39c33c0 # [ 57.411001] ---[ end trace 0d22e6cf039e2848 ]--- # [ 57.416154] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.420530] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 57.441509] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 57.447341] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.455308] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 57.463274] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.471241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.479209] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 57.487175] FS: 00007faffb6cd580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 57.496211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.502626] CR2: ffff924ac39c33c0 CR3: 0000000104d3c002 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KM[ 62.501128] lkdtm: Performing direct entry WRITE_KERN [ 62.510753] lkdtm: attempting bad 6678339 byte write at ffffffffb133d503 ALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 5[ 62.518256] BUG: unable to handle page fault for address: ffffffffb133d503 [ 62.532136] #PF: supervisor write access in kernel mode [ 62.537970] #PF: error_code(0x0003) - permissions violation [ 62.544191] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 570000e1 7.623579] lkdtm: Performing direct entry EXEC_VMALLOC # [ 57.[ 62.550905] Oops: 0003 [#16] SMP PTI [ 62.561104] CPU: 2 PID: 2015 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 62.569743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.576550] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 62.581704] Code: 53 48 c7 c3 03 d5 33 b1 49 89 dc 48 89 da 49 81 ec c0 ed cd b0 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed cd b0 a4 48 c7 c7 28 2f d8 b1 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 62.602679] RSP: 0018:ffffa1b7c28b7e50 EFLAGS: 00010246 [ 62.608512] RAX: 000000000000003c RBX: ffffffffb133d503 RCX: 000000000065e743 [ 62.616481] RDX: 0000000000000000 RSI: ffffffffb0cdedc0 RDI: ffffffffb133d503 [ 62.624450] RBP: ffffffffb1d82132 R08: 0000000000000000 R09: 0000000000000000 [ 62.632419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e743 [ 62.640389] R13: ffffa1b7c28b7f10 R14: ffffa1b7c28b7f10 R15: ffff924ac562d000 [ 62.648359] FS: 00007f0e9c471580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 [ 62.657398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.663813] CR2: ffffffffb133d503 CR3: 0000000103d94002 CR4: 00000000003706e0 [ 62.671783] Call Trace: [ 62.674512] direct_entry.cold+0x2c/0x38 [ 62.678889] full_proxy_write+0x53/0x80 [ 62.683161] vfs_write+0xe7/0x3a0 [ 62.686859] ksys_write+0x68/0xf0 [ 62.690558] do_syscall_64+0x30/0x40 [ 62.694548] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.700187] RIP: 0033:0x7f0e9c3878f3 [ 62.704174] 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 [ 62.725158] RSP: 002b:00007ffccbda3a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.733615] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f0e9c3878f3 [ 62.741585] RDX: 000000000000000b RSI: 00007f0e9c27a000 RDI: 0000000000000001 [ 62.749553] RBP: 00007f0e9c27a000 R08: 00007f0e9c279010 R09: 0000000000000000 [ 62.757524] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.765495] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.773468] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 634580] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ [ 62.799931] CR2: ffffffffb133d503 [ 62.809842] ---[ end trace 0d22e6cf039e2851 ]--- [ 62.815002] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.819409] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 [ 62.840393] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 [ 62.846226] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.854193] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 62.862160] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 [ 62.870130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.878099] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 [ 62.886069] FS: 00007f0e9c471580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 [ 62.895105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.901521] CR2: ffffffffb133d503 CR3: 0000000103d94002 CR4: 00000000003706e0 57.647304] lkdtm: attempting bad execution at ffffa1b7c06c5000 # [ 57.660158] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.674713] BUG: unable to handle page fault for address: ffffa1b7c06c5000 # [ 57.682388] #PF: supervisor instruction fetch in kernel mode # [ 57.688704] #PF: error_code(0x0011) - permissions violation # [ 57.694948] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10655f067 PTE 80000001028d4063 # [ 57.703995] Oops: 0011 [#8] SMP PTI # [ 57.707887] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 57.716535] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.723338] RIP: 0010:0xffffa1b7c06c5000 # [ 57.727715] Code: Unable to access opcode bytes at RIP 0xffffa1b7c06c4fd6. # [ 57.735390] RSP: 0018:ffffa1b7c2467e38 EFLAGS: 00010246 # [ 57.741216] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.749184] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 57.757152] RBP: ffffa1b7c06c5000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.765119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 57.773087] R13: ffffa1b7c2467f10 R14: ffffa1b7c2467f10 R15: ffff924ac28d4000 # [ 57.781056] FS: 00007f1bda2c9580(0000) GS:ffff924b3ac00000(0[ 63.036982] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 000) knlGS:0000000000000000 # [ 57.790093] CS: 0010 DS: 0000[ 63.046776] lkdtm: attempting good refcount_inc() without overflow ES: 0000 CR0: 0000000080050033 # [ 57.796507] CR2: ffffa1b7c[ 63.059903] lkdtm: attempting bad refcount_inc() overflow [ 63.072142] ------------[ cut here ]------------ 06c4fd6 CR3: 0000000100fcc002 CR4: 00000000003706f0 # [ 57.80[ 63.077299] refcount_t: saturated; leaking memory. 4474] Call Trace: # [ 57.807201] ? execute_location+0x45/0x5[ 63.088890] WARNING: CPU: 1 PID: 2050 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 6 # [ 57.811681] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 57.81[ 63.104505] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 6354] ? direct_entry.cold+0x2c/0x38 # [ 57.820916] ? full_p[ 63.137144] CPU: 1 PID: 2050 Comm: cat Tainted: G D W 5.10.147-cip17 #1 roxy_write+0x53/0x80 # [ 57.825419] ? vfs_write+0xe7/0x3a0 [ 63.152010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.829302] ? ksys_write+0x68/0xf0 # [ 57.833194] ? do[ 63.165035] RIP: 0010:refcount_warn_saturate+0x51/0x110 _syscall_64+0x30/0x40 # [ 57.837378] ? entry_SYSCALL_64_afte[ 63.177092] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 r_hwframe+0x61/0xc6 # [ 57.843213] Modules linked in: fuse ip[ 63.204298] RSP: 0018:ffffa1b7c293fe48 EFLAGS: 00010286 _tables cros_ec_sensors cros_ec_sensors_core industrialio_trigge[ 63.216342] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 red_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs [ 63.230530] RDX: ffff924b3acac660 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_[ 63.244720] RBP: ffffffffb1d8213d R08: 0000000000000000 R09: 0000000000000000 thermal cros_ec_dev cros_usbpd_notify # [ 57.869650] CR2: fff[ 63.258919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 fa1b7c06c5000 # [ 57.873347] ---[ end trace 0d22e6cf039e2849 [ 63.273103] R13: ffffa1b7c293ff10 R14: ffffa1b7c293ff10 R15: ffff924ac4e13000 ]--- # [ 57.878490] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.88[ 63.287291] FS: 00007fb48d800580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 2866] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c[ 63.302550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f[ 63.315186] CR2: 00007fb48d609000 CR3: 0000000105424005 CR4: 00000000003706e0 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 0[ 63.329375] Call Trace: 5 20 db 92 02 # [ 57.903844] RSP: 0018:ffffa1b7c1497e60 EFLAG[ 63.338324] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 S: 00010286 # [ 57.909667] RAX: ffffffffb0cde9f0 RBX: 0000000[ 63.349892] direct_entry.cold+0x2c/0x38 000000001 RCX: 0000000000000000 # [ 57.917634] RDX: 000000000[ 63.360488] full_proxy_write+0x53/0x80 0000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 57.92[ 63.371004] vfs_write+0xe7/0x3a0 5601] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 000000000[ 63.380905] ksys_write+0x68/0xf0 0000001 # [ 57.933568] R10: 00000000ffffe000 R11: 3ffffffffff[ 63.390821] do_syscall_64+0x30/0x40 fffff R12: 0000000000000004 # [ 57.941537] R13: ffffa1b7c1497[ 63.401027] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 57.949506[ 63.412885] RIP: 0033:0x7fb48d7168f3 ] FS: 00007f1bda2c9580(0000) GS:ffff924b3ac00000(0000) knlGS:00[ 63.423092] 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 00000000000000 # [ 57.958541] CS: 0010 DS: 0000 ES: 0000 CR0[ 63.450297] RSP: 002b:00007ffe22a4db38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000080050033 # [ 57.964955] CR2: ffffa1b7c06c4fd6 CR3: [ 63.464974] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb48d7168f3 0000000100fcc002 CR4: 00000000003706f0 # [ 57.972923] BUG: sl[ 63.479161] RDX: 0000000000000016 RSI: 00007fb48d609000 RDI: 0000000000000001 eeping function called from invalid context at include/linux/per[ 63.493347] RBP: 00007fb48d609000 R08: 00007fb48d608010 R09: 0000000000000000 [ 63.507533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cpu-rwsem.h:49 # [ 57.982832] in_atomic(): 0, irqs_disabled()[ 63.515506] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 1, non_block: 0, pid: 1732, name: cat # [ 57.991285] INFO: [ 63.529709] irq event stamp: 0 [ 63.539312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 lockdep is turned off. # [ 57.995650] irq event stamp: 0 # [[ 63.546316] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.561661] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 57.999055] hardirqs last enabled at (0): [<0000000000000000>[ 63.570799] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.584011] ---[ end trace 0d22e6cf039e2852 ]--- ] 0x0 # [ 58.006044] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.015177] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.024310] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.031300] CPU: 0 PID: 1732 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 58.039938] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.046739] Call Trace: # [ 58.049467] dump_stack+0x77/0x9b # [ 58.053169] ___might_sleep.cold+0xa6/0xb6 # [ 58.057745] exit_signals+0x1c/0x2e0 # [ 58.061739] do_exit+0xd5/0xb00 # [ 58.065243] ? ksys_write+0x68/0xf0 # [ 58.069134] rewind_stack_do_exit+0x17/0x20 # [ 58.073808] RIP: 0033:0x7f1bda1df8f3 # [ 58.077786] 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 # [ 58.098764] RSP: 002b:00007ffdf3c19888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.107210] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f1bda1df8f3 # [ 58.115169] RDX: 000000000000000d RSI: 00007f1bda0d2000 RDI: 0000000000000001 # [ 58.123137] RBP: 00007f1bda0d2000 R08: 00007f1bda0d1010 R09: 0000000000000000 # [ 58.131105] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.139073] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 58.286622] lkdtm: Performing direct entry EXEC_RODATA # [ 58.295752] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 58.302300] lkdtm: attempting bad[ 63.766310] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW execution at ffffffffb199b320 # [ 58.308921] kernel tried to[ 63.775028] lkdtm: attempting good refcount_add() without overflow execute NX-protected page - exploit attempt? (uid: 0) # [ 58[ 63.788160] lkdtm: attempting bad refcount_add() overflow .317285] BUG: unable to handle page fault for address: ffffffffb[ 63.800398] ------------[ cut here ]------------ 199b320 # [ 58.324962] #PF: supervisor instruction fetch in k[ 63.811767] refcount_t: saturated; leaking memory. ernel mode # [ 58.331281] #PF: error_code(0x0011) - permissio[ 63.823361] WARNING: CPU: 1 PID: 2082 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ns violation # [ 58.337491] PGD 57e29067 P4D 57e29067 PUD 57e[ 63.839021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2a063 PMD 80000000576000e1 # [ 58.344980] Oops: 0011 [#9] SM[ 63.871687] CPU: 1 PID: 2082 Comm: cat Tainted: G D W 5.10.147-cip17 #1 P PTI # [ 58.355081] CPU: 3 PID: 1768 Comm: cat Tainted: G [ 63.886531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 D W 5.10.147-cip17 #1 # [ 58.363731] Hardware name[ 63.899550] RIP: 0010:refcount_warn_saturate+0x51/0x110 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.376751] RIP: [ 63.911602] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 58.382486] Code: ff[ 63.938805] RSP: 0018:ffffa1b7c299fe48 EFLAGS: 00010286 [ 63.950857] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ff f8 ea 33 b1 ff ff ff ff fa 22 d8 b1 ff ff ff ff 3e d2 33 b1 [ 63.958829] RDX: ffff924b3acac660 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 [ 63.973009] RBP: ffffffffb1d82153 R08: 0000000000000000 R09: 0000000000000000 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 [ 63.981000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 63.995184] R13: ffffa1b7c299ff10 R14: ffffa1b7c299ff10 R15: ffff924ac4c83000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69[ 64.003158] FS: 00007fcbbcd2e580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 [ 64.018408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.403465] RSP: 0018:ffffa1b7c2507e48 EFLAGS: 00010246 #[ 64.024829] CR2: 00007fcbbcb37000 CR3: 0000000103928002 CR4: 00000000003706e0 [ 64.039012] Call Trace: [ 58.409298] RAX: 0000000000000033 RBX: 0000000000000000 RCX:[ 64.041746] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0000000000000000 # [ 58.417257] RDX: 0000000000000000 RSI: f[ 64.053305] direct_entry.cold+0x2c/0x38 fff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 58.425226] RBP: fff[ 64.063901] full_proxy_write+0x53/0x80 fffffb199b320 R08: 0000000000000000 R09: 0000000000000000 # [ [ 64.074404] vfs_write+0xe7/0x3a0 58.433193] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 64.084321] ksys_write+0x68/0xf0 000000000000c # [ 58.441160] R13: ffffa1b7c2507f10 R14: ffffa[ 64.094237] do_syscall_64+0x30/0x40 1b7c2507f10 R15: ffff924ac3ffc000 # [ 58.449129] FS: 00007f1[ 64.104444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f2680c580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000[ 64.116303] RIP: 0033:0x7fcbbcc448f3 # [ 58.458157] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 64.126511] 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 # [ 58.464563] CR2: ffffffffb199b320 CR3: 0000000103bfc0[ 64.153718] RSP: 002b:00007ffef2ca3618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 01 CR4: 00000000003706e0 # [ 58.472529] Call Trace: # [ 58[ 64.168394] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcbbcc448f3 .475256] ? execute_location+0x45/0x56 # [ 58.479730] ? dire[ 64.182585] RDX: 0000000000000016 RSI: 00007fcbbcb37000 RDI: 0000000000000001 ct_entry.cold+0x2c/0x38 # [ 58.484302] ? full_proxy_write+0x[ 64.196775] RBP: 00007fcbbcb37000 R08: 00007fcbbcb36010 R09: 0000000000000000 53/0x80 # [ 58.488776] ? vfs_write+0xe7/0x3a0 # [ 58.4926[ 64.210965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 67] ? ksys_write+0x68/0xf0 # [ 58.496560] ? do_syscall_64+0[ 64.225155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x30/0x40 # [ 58.500741] ? entry_SYSCALL_64_after_hwframe+0x6[ 64.239350] irq event stamp: 0 1/0xc6 # [ 58.506576] Modules linked in: fuse ip_tables cros_[ 64.248972] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kf[ 64.262190] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_senso[ 64.277543] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 rhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_[ 64.292897] softirqs last disabled at (0): [<0000000000000000>] 0x0 ec_dev cros_usbpd_notify # [ 58.533032] CR2: ffffffffb199b320[ 64.306116] ---[ end trace 0d22e6cf039e2853 ]--- # [ 58.542953] ---[ end trace 0d22e6cf039e284a ]--- # [ 5[ 64.317489] lkdtm: Overflow detected: saturated 8.548107] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.552482] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 58.573463] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 58.579294] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.587263] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 58.595231] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.603198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.611164] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 58.619131] FS: 00007f1f2680c580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 58.628166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.634580] CR2: ffffffffb199b320 CR3: 0000000103bfc001 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 58.749366] lkdtm: Performing direct entry EXEC_USERSPACE # [ 58.760535] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 58.773295] lkdtm: attempting bad execution at 00007f9f308b8000 # [ 58.786104] unable to execute userspace code (SMEP?) (uid: 0) # [ 58.798741] BUG: unable to handle page fault for address: 00007f9f308b8000 # [ 58.806422] #PF: supervisor instruction fetch in kernel mode # [[ 64.472675] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 64.485833] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 64.492746] ------------[ cut here ]------------ [ 64.497904] refcount_t: saturated; leaking memory. [ 64.503263] WARNING: CPU: 3 PID: 2114 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 64.512723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 58.812740] #PF: error_code(0x0011) - permissions violation #[ 64.539187] CPU: 3 PID: 2114 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 64.554046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.560855] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 64.566691] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 [ 64.587673] RSP: 0018:ffffa1b7c2a4fe38 EFLAGS: 00010282 [ 64.593509] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 64.601480] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 64.609450] RBP: ffffffffb1d81d90 R08: 0000000000000000 R09: 0000000000000000 [ 64.617422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.625392] R13: ffffa1b7c2a4ff10 R14: ffffa1b7c2a4ff10 R15: ffff924ac3f60000 [ 64.633364] FS: 00007f4a784ff580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 64.642401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.648819] CR2: 00007f4a78308000 CR3: 0000000103b40001 CR4: 00000000003706e0 [ 64.656791] Call Trace: [ 64.659522] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 64.665681] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 64.671905] direct_entry.cold+0x2c/0x38 [ 64.676285] full_proxy_write+0x53/0x80 [ 64.680595] vfs_write+0xe7/0x3a0 [ 64.684319] ksys_write+0x68/0xf0 [ 64.688021] do_syscall_64+0x30/0x40 [ 64.692014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.697679] RIP: 0033:0x7f4a784158f3 [ 64.701669] 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 [ 64.722652] RSP: 002b:00007ffdb06ba028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.731111] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a784158f3 [ 64.739083] RDX: 000000000000001f RSI: 00007f4a78308000 RDI: 0000000000000001 [ 64.747053] RBP: 00007f4a78308000 R08: 00007f4a78307010 R09: 0000000000000000 [ 58.818952] PGD 8000000105666067 P4D 8000000105666067 PUD 10[ 64.755025] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.769232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.777208] irq event stamp: 0 565c067 PMD 104db8067 PTE 115337067 # [ 58.834888] Oops: 0011[ 64.780640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.793857] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.803029] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.812170] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.819172] ---[ end trace 0d22e6cf039e2854 ]--- [#10] SMP PTI # [ 58.838875] CPU: 1 PID: 1804 Comm: cat Tain[ 64.824328] lkdtm: Overflow detected: saturated ted: G D W 5.10.147-cip17 #1 # [ 58.847523] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.854327] RIP: 0010:0x7f9f308b8000 # [ 58.858305] Code: Unable to access opcode bytes at RIP 0x7f9f308b7fd6. # [ 58.865593] RSP: 0018:ffffa1b7c255fe50 EFLAGS: 00010246 # [ 58.871418] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 58.879385] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 # [ 58.887352] RBP: 00007f9f308b8000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.895321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 58.903290] R13: ffffa1b7c255ff10 R14: ffffa1b7c255ff10 R15: ffff924ac3eca000 # [ 58.911258] FS: 00007f9f30889580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 58.920294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.926710] CR2: 00007f9f308b8000 CR3: 00000001056e0005 CR4: 00000000003706e0 # [ 58.934677] Call Trace: # [ 58.937407] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 58.942757] ? direct_entry.cold+0x2c/0x38 # [ 58.953542] ? full_proxy_write+0x53/0x80 # [ [ 64.946445] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 64.955236] lkdtm: attempting bad refcount_add_not_zero() overflow [ 64.962150] ------------[ cut here ]------------ [ 64.967319] refcount_t: saturated; leaking memory. [ 64.972705] WARNING: CPU: 2 PID: 2146 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 58.958018] ? vfs_write+0xe7/0x3a0 # [ 58.961909] ? ksys_w[ 64.982143] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.014777] CPU: 2 PID: 2146 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 65.023461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.030269] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 65.036109] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 [ 65.057095] RSP: 0018:ffffa1b7c2ac7e38 EFLAGS: 00010282 rite+0x68/0xf0 # [ 58.965802] ? do_syscall_64+0x30/0x40 # [[ 65.062933] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 65.077123] RDX: ffff924b3ad2c660 RSI: ffff924b3ad1bf70 RDI: ffff924b3ad1bf70 58.970000] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 65.085121] RBP: ffffffffb1d81db0 R08: 0000000000000000 R09: 0000000000000000 [ 65.099305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.107278] R13: ffffa1b7c2ac7f10 R14: ffffa1b7c2ac7f10 R15: ffff924ac54d8000 [ 65.115251] FS: 00007f12e61ff580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 [ 65.124315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 58.975836] Modules linked in: fuse ip_tables cros_ec_sensors cr[ 65.130749] CR2: 00007f12e6008000 CR3: 0000000104fa6006 CR4: 00000000003706e0 [ 65.144950] Call Trace: os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 65.147685] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 65.160021] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 65.166246] direct_entry.cold+0x2c/0x38 [ 65.170652] full_proxy_write+0x53/0x80 [ 65.174960] vfs_write+0xe7/0x3a0 trialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_[ 65.178668] ksys_write+0x68/0xf0 [ 65.188579] do_syscall_64+0x30/0x40 [ 65.192596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.198261] RIP: 0033:0x7f12e61158f3 [ 65.202276] 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 [ 65.223259] RSP: 002b:00007ffd35a48388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.231743] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12e61158f3 [ 65.239716] RDX: 000000000000001f RSI: 00007f12e6008000 RDI: 0000000000000001 [ 65.247688] RBP: 00007f12e6008000 R08: 00007f12e6007010 R09: 0000000000000000 [ 65.255661] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.263632] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.271610] irq event stamp: 0 debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_u[ 65.275045] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.288256] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.297418] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.306556] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.313558] ---[ end trace 0d22e6cf039e2855 ]--- [ 65.318714] lkdtm: Overflow detected: saturated sbpd_notify # [ 59.008469] CR2: 00007f9f308b8000 # [ 59.012157] ---[ end trace 0d22e6cf039e284b ]--- # [ 59.017312] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.021680] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 59.042653] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 59.048487] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.056454] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 59.064422] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 59.072391] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.080358] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 59.088326] FS: 00007f9f30889580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 59.097363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.103779] CR2: 00007f9f308b8000 CR3: 00000001056e0005 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 59.243600] lkdtm: Performing direct entry EXEC_NULL # [ 59.254038] lkdtm: attempting ok execution at ffffffffb0cdedc0 # [ 59.260575] lkdtm: attempting bad execution at 0000000000000000 # [ 59.273398] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 59.281179] #PF: supervisor instruction fetch in kernel mode # [ 59.287496] #PF: error_code(0x0010) - not-present page # [ 59.293230] PGD 0 P4D 0 # [ 59.296045] Oops: 0010 [#11] SMP PTI # [ 59.300032] CPU: 3 PID: 1840 Comm: cat Tainted: G D W 5.10.147[ 65.497856] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO -cip17 #1 # [ 59.308679] Hardware name: Google Rammus/Rammus,[ 65.504412] lkdtm: attempting good refcount_dec() BIOS 09/04/2020 # [ 59.315481] RIP: 0010:0x0 # [ 59.3184[ 65.515863] lkdtm: attempting bad refcount_dec() to zero 01] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd[ 65.528011] ------------[ cut here ]------------ 6. # [ 59.326076] RSP: 0018:ffffa1b7c257fe48 EFLAGS: 00010246[ 65.539405] refcount_t: decrement hit 0; leaking memory. # [ 59.331909] RAX: 0000000000000033 RBX: 0000000000000000 R[ 65.551568] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 CX: 0000000000000000 # [ 59.339876] RDX: 0000000000000000 RSI[ 65.567201] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 59.347842] RBP: [ 65.599862] CPU: 0 PID: 2178 Comm: cat Tainted: G D W 5.10.147-cip17 #1 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 65.614749] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.355809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 65.627779] RIP: 0010:refcount_warn_saturate+0xfb/0x110 000000000000000a # [ 59.363775] R13: ffffa1b7c257ff10 R14: ff[ 65.639850] Code: 28 dc d1 b1 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db d1 b1 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ffa1b7c257ff10 R15: ffff924ac3bf9000 # [ 59.371743] FS: 0000[ 65.667057] RSP: 0018:ffffa1b7c29f7e48 EFLAGS: 00010286 7fe2bbfe7580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000[ 65.679127] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 000 # [ 59.380778] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 65.693317] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 0050033 # [ 59.387193] CR2: ffffffffffffffd6 CR3: 0000000104f[ 65.707511] RBP: ffffffffb1d82169 R08: 0000000000000000 R09: 0000000000000000 2e005 CR4: 00000000003706e0 # [ 59.395159] Call Trace: # [ [ 65.721719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 59.397888] execute_location+0x45/0x56 # [ 59.402168] direc[ 65.735918] R13: ffffa1b7c29f7f10 R14: ffffa1b7c29f7f10 R15: ffff924ac652c000 t_entry.cold+0x2c/0x38 # [ 59.406537] full_proxy_write+0x53/[ 65.750122] FS: 00007f1e14fb0580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 0x80 # [ 59.410819] vfs_write+0xe7/0x3a0 # [ 59.414515] [ 65.765385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ksys_write+0x68/0xf0 # [ 59.418213] do_syscall_64+0x30/0x40[ 65.778038] CR2: 00007f1e14db9000 CR3: 0000000103904005 CR4: 00000000003706f0 # [ 59.422200] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [[ 65.792223] Call Trace: 59.427839] RIP: 0033:0x7fe2bbefd8f3 # [ 59.431827] Code: 8[ 65.801203] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 65.812346] direct_entry.cold+0x2c/0x38 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 65.822971] full_proxy_write+0x53/0x80 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 65.833459] vfs_write+0xe7/0x3a0 # [ 59.452798] RSP: 002b:00007ffc0d23f768 EFLAGS: 00000246 O[ 65.843435] ksys_write+0x68/0xf0 RIG_RAX: 0000000000000001 # [ 59.461253] RAX: ffffffffffffffd[ 65.853297] do_syscall_64+0x30/0x40 a RBX: 000000000000000a RCX: 00007fe2bbefd8f3 # [ 59.469221] [ 65.863557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RDX: 000000000000000a RSI: 00007fe2bbdf0000 RDI: 000000000000000[ 65.875386] RIP: 0033:0x7f1e14ec68f3 1 # [ 59.477189] RBP: 00007fe2bbdf0000 R08: 00007fe2bbdef010 [ 65.885582] 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 R09: 0000000000000000 # [ 59.485157] R10: fffffffffffffbc5 R1[ 65.912780] RSP: 002b:00007ffc1aac5dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 1: 0000000000000246 R12: 0000000000000001 # [ 59.493124] R13:[ 65.927466] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1e14ec68f3 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 65.941669] RDX: 0000000000000012 RSI: 00007f1e14db9000 RDI: 0000000000000001 [ 59.501096] Modules linked in: fuse ip_tables cros_ec_sensor[ 65.955833] RBP: 00007f1e14db9000 R08: 00007f1e14db8010 R09: 0000000000000000 s cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf i[ 65.970001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ndustrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros[ 65.984172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cr[ 65.998372] irq event stamp: 0 os_usbpd_notify # [ 59.527552] CR2: 0000000000000000 # [ 5[ 66.008034] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9.537460] ---[ end trace 0d22e6cf039e284c ]--- # [ 59.542616][ 66.021273] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.547006] Code: 89 ff e8 2[ 66.036632] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc[ 66.052025] softirqs last disabled at (0): [<0000000000000000>] 0x0 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0[ 66.065255] ---[ end trace 0d22e6cf039e2856 ]--- f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 5[ 66.076649] lkdtm: Zero detected: saturated 9.568005] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 59.573837] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.581804] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 59.589772] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 59.597739] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.605706] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 59.613675] FS: 00007fe2bbfe7580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 59.622711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.629126] CR2: ffffffffffffffd6 CR3: 0000000104f2e005 CR4: 00000000003706e0 # [ 59.637094] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.647005] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1840, name: cat # [ 59.655458] INFO: lockdep is turned off. # [ 59.659833] irq event stamp: 0 # [ 59.663238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.670236] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.679370] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.688503[ 66.208026] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 66.218530] lkdtm: attempting bad refcount_dec() below zero [ 66.224756] ------------[ cut here ]------------ [ 66.229923] refcount_t: decrement hit 0; leaking memory. [ 66.235872] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 66.245309] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 66.271777] CPU: 3 PID: 2213 Comm: cat Tainted: G D W 5.10.147-cip17 #1 59.695502] CPU: 3 PID: 1840 Comm: cat Tainted: G D W [ 66.286640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5.10.147-cip17 #1 # [ 59.704150] Hardware name: Google Ram[ 66.299665] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 66.311713] Code: 28 dc d1 b1 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db d1 b1 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 66.332698] RSP: 0018:ffffa1b7c2c07e48 EFLAGS: 00010286 [ 66.338538] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 66.346509] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 66.354481] RBP: ffffffffb1d8217b R08: 0000000000000000 R09: 0000000000000000 [ 66.362457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 66.370429] R13: ffffa1b7c2c07f10 R14: ffffa1b7c2c07f10 R15: ffff924ac3fe5000 [ 66.378402] FS: 00007f190d08a580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 66.387442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.393860] CR2: 00007f190ce93000 CR3: 0000000102872001 CR4: 00000000003706e0 [ 66.401832] Call Trace: [ 66.404564] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 mus/Rammus, BIOS 09/04/2020 # [ 59.710952] Call Trace: # [ [ 66.409956] direct_entry.cold+0x2c/0x38 [ 66.420550] full_proxy_write+0x53/0x80 [ 66.424858] vfs_write+0xe7/0x3a0 [ 66.428583] ksys_write+0x68/0xf0 [ 66.432285] do_syscall_64+0x30/0x40 [ 66.436277] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.441920] RIP: 0033:0x7f190cfa08f3 59.713679] dump_stack+0x77/0x9b # [ 59.717368] ___might_s[ 66.445951] 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 [ 66.473151] RSP: 002b:00007ffde962b058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.481609] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f190cfa08f3 [ 66.489580] RDX: 0000000000000016 RSI: 00007f190ce93000 RDI: 0000000000000001 [ 66.497552] RBP: 00007f190ce93000 R08: 00007f190ce92010 R09: 0000000000000000 [ 66.505525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.513496] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.521471] irq event stamp: 0 leep.cold+0xa6/0xb6 # [ 59.721951] exit_signals+0x1c/0x2e0 [ 66.524906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.538120] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.547281] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.556419] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.725954] do_exit+0xd5/0xb00 # [ 59.729458] ? ksys_w[ 66.563422] ---[ end trace 0d22e6cf039e2857 ]--- rite+0x68/0xf0 # [ 59.733350] rewind_stack_do_exit+0x17/0x20[ 66.574796] lkdtm: Negative detected: saturated # [ 59.738016] RIP: 0033:0x7fe2bbefd8f3 # [ 59.742003] 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 # [ 59.763001] RSP: 002b:00007ffc0d23f768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.771458] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe2bbefd8f3 # [ 59.779429] RDX: 000000000000000a RSI: 00007fe2bbdf0000 RDI: 0000000000000001 # [ 59.787399] RBP: 00007fe2bbdf0000 R08: 00007fe2bbdef010 R09: 0000000000000000 # [ 59.795368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.803337] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 59.948121] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 59.954624] lkdtm: attempting bad read at 00007fa6b1852000 # [ 59.960772] BUG: unable to handle page fault for address: 00007fa6b1852000 # [ 59.968459] #PF: supervisor read access in kernel mode # [ 59.974195] #PF: error_code(0x0001) - permissions violation # [ 59.980416] PGD 8000000103f93067 P4D 80[ 66.709604] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 66.718076] lkdtm: attempting bad refcount_dec_and_test() below zero [ 66.725209] ------------[ cut here ]------------ [ 66.730373] refcount_t: underflow; use-after-free. [ 66.735732] WARNING: CPU: 2 PID: 2248 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 66.745191] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000103f93067 PUD 104d72067 PMD 104049067 PTE 114c92067 # [ [ 66.771654] CPU: 2 PID: 2248 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 66.786518] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.793326] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 66.799163] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 66.820148] RSP: 0018:ffffa1b7c2c6fe40 EFLAGS: 00010286 [ 66.825984] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 66.833954] RDX: ffff924b3ad2c660 RSI: ffff924b3ad1bf70 RDI: ffff924b3ad1bf70 [ 66.841945] RBP: ffffffffb1d81dd0 R08: 0000000000000000 R09: 0000000000000000 59.996351] Oops: 0001 [#12] SMP PTI # [ 60.000340] CPU: 3 PID[ 66.849922] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.864108] R13: ffffa1b7c2c6ff10 R14: ffffa1b7c2c6ff10 R15: ffff924ac4d13000 [ 66.872104] FS: 00007efd2d158580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 [ 66.881143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.887559] CR2: 00007efd2cf61000 CR3: 000000010564e004 CR4: 00000000003706e0 [ 66.895531] Call Trace: [ 66.898262] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 66.904436] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 : 1875 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 66.910674] direct_entry.cold+0x2c/0x38 [ 66.921260] full_proxy_write+0x53/0x80 [ 66.925567] vfs_write+0xe7/0x3a0 [ 66.929291] ksys_write+0x68/0xf0 [ 66.933004] do_syscall_64+0x30/0x40 [ 66.937001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.942634] RIP: 0033:0x7efd2d06e8f3 [ 66.946625] 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 [ 66.967608] RSP: 002b:00007ffd6f4a0088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.976065] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efd2d06e8f3 [ 66.984036] RDX: 000000000000001f RSI: 00007efd2cf61000 RDI: 0000000000000001 [ 66.992007] RBP: 00007efd2cf61000 R08: 00007efd2cf60010 R09: 0000000000000000 [ 66.999999] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.007971] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.016001] irq event stamp: 0 # [ 60.008988] Hardware name: Google Rammus/Rammus, BIOS 09/0[ 67.019434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.032645] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.041781] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.050917] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.057917] ---[ end trace 0d22e6cf039e2858 ]--- [ 67.063072] lkdtm: Negative detected: saturated 4/2020 # [ 60.015794] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 60.022015] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 18 30 d8 b1 e8 09 9a fd ff 48 c7 c7 40 30 d8 b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 68 30 d8 # [ 60.042996] RSP: 0018:ffffa1b7c26a7e48 EFLAGS: 00010246 # [ 60.048829] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 60.056796] RDX: 0000000000000000 RSI: ffff924b3ad9bf70 RDI: ffffffffb1d83040 # [ 60.064764] RBP: 00007fa6b1852000 R08: 0000000000000000 R09: 0000000000000000 # [ 60.072732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 60.080700] R13: ffffa1b7c26a7f10 R14: ffffa1b7c26a7f10 R15: ffff924ac3ecf000 # [ 60.088667] FS: 00007fa6b1823580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 60.097703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.104117] CR2: 00007fa6b1852000 CR3: 0000000103eca005 CR4: 00000000003706e0 # [ 60.112084] Call Trace: # [ 60.114812] direct_entry.cold+0x2c/0x38 # [ 60.119189] full_proxy_write+0x53/0x80 # [ 60.123470] vfs_write+0xe7/0x3a0 # [ 60.127166] ksys_write+0x68/0xf0 # [ 60.130863] do_syscall_64+0x30/0x40 # [ 60.134850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.140489] RIP: 0033:0x7fa6b17398f3 # [ 60.144476] 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 # [ 60.165446] RSP: 002b:00007ffc58d7d3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.173900] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa6b17398f3 # [ 60.181866] RDX: 0000000000000011 RSI: 00007fa6b162c000 RDI: 0000000000000001 # [ 60.18[ 67.246468] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 9833] RBP: 00007fa6b162c000 R08: 00007fa6b162b010 R09: 000000000[ 67.256106] lkdtm: attempting bad refcount_sub_and_test() below zero 0000000 # [ 60.197801] R10: fffffffffffffbc5 R11: 00000000000[ 67.269411] ------------[ cut here ]------------ 00246 R12: 0000000000000001 # [ 60.205769] R13: 0000000000000[ 67.280772] refcount_t: underflow; use-after-free. 001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.213741[ 67.292370] WARNING: CPU: 0 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sens[ 67.308044] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[ 67.340678] CPU: 0 PID: 2283 Comm: cat Tainted: G D W 5.10.147-cip17 #1 os_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cr[ 67.355543] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 os_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notif[ 67.368588] RIP: 0010:refcount_warn_saturate+0xba/0x110 y # [ 60.240199] CR2: 00007fa6b1852000 # [ 60.250109] ---[[ 67.380644] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 end trace 0d22e6cf039e284d ]--- # [ 60.255263] RIP: 0010:lkd[ 67.407866] RSP: 0018:ffffa1b7c2d27e40 EFLAGS: 00010286 tm_BUG+0x5/0x10 # [ 60.259639] Code: 89 ff e8 2e b5 a3 ff 48 [ 67.419925] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c[ 67.434098] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 [ 67.448328] RBP: ffffffffb1d81df0 R08: 0000000000000000 R09: 0000000000000000 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 60.280619] RSP:[ 67.462511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 60.286443] RAX: f[ 67.476707] R13: ffffa1b7c2d27f10 R14: ffffa1b7c2d27f10 R15: ffff924ac38ad000 fffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [[ 67.490920] FS: 00007fa9f466c580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 60.294412] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: f[ 67.506152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffffffb199ae90 # [ 60.302380] RBP: ffffffffb1ddd3c0 R08: 000[ 67.518775] CR2: 00007fa9f4475000 CR3: 00000001054d6005 CR4: 00000000003706f0 0000000000001 R09: 0000000000000001 # [ 60.310349] R10: 00000[ 67.532974] Call Trace: 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 6[ 67.541953] __refcount_sub_and_test.constprop.0+0x3c/0x50 0.318316] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff9[ 67.554312] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 24ac30fc000 # [ 60.326284] FS: 00007fa6b1823580(0000) GS:fff[ 67.566793] direct_entry.cold+0x2c/0x38 f924b3ad80000(0000) knlGS:0000000000000000 # [ 60.335321] CS:[ 67.577346] full_proxy_write+0x53/0x80 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.341735][ 67.587889] vfs_write+0xe7/0x3a0 CR2: 00007fa6b1852000 CR3: 0000000103eca005 CR4: 00000000003706[ 67.597797] ksys_write+0x68/0xf0 e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: [ 67.607690] do_syscall_64+0x30/0x40 lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh [ 67.617938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # Killed # [ 60.518595] lkdtm: Performing direct entry ACCESS[ 67.629773] RIP: 0033:0x7fa9f45828f3 _NULL # [ 60.529551] lkdtm: attempting bad read at 0000000000[ 67.640005] 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 000000 # [ 60.541924] BUG: kernel NULL pointer dereference, a[ 67.667190] RSP: 002b:00007ffe0646dc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ddress: 0000000000000000 # [ 60.555889] #PF: supervisor read [ 67.681886] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa9f45828f3 access in kernel mode # [ 60.561628] #PF: error_code(0x0000) [ 67.696067] RDX: 000000000000001f RSI: 00007fa9f4475000 RDI: 0000000000000001 - not-present page # [ 60.567365] PGD 0 P4D 0 # [ 60.5764[ 67.710286] RBP: 00007fa9f4475000 R08: 00007fa9f4474010 R09: 0000000000000000 01] Oops: 0000 [#13] SMP PTI # [ 60.580392] CPU: 1 PID: 1910 [ 67.724481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 6[ 67.738648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0.589041] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 67.752873] irq event stamp: 0 # [ 60.595850] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 6[ 67.762487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0.601102] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd 99 3c [ 67.775670] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 18 30 d8 b1 e[ 67.791066] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 [ 67.806393] softirqs last disabled at (0): [<0000000000000000>] 0x0 40 30 d8 b1 48 01 # [ 60.628301] RSP: 0018:ffffa1b7c2737e58 E[ 67.819602] ---[ end trace 0d22e6cf039e2859 ]--- FLAGS: 00010246 # [ 60.634126] RAX: 000000000000002e RBX: 000[ 67.830997] lkdtm: Negative detected: saturated 0000000000027 RCX: 0000000000000000 # [ 60.642095] RDX: 0000000000000000 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 # [ 60.650064] RBP: ffffffffb1d82109 R08: 0000000000000000 R09: 0000000000000000 # [ 60.658033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 60.666003] R13: ffffa1b7c2737f10 R14: ffffa1b7c2737f10 R15: ffff924ac4c89000 # [ 60.673974] FS: 00007fb64fed4580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 60.683003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.689419] CR2: 0000000000000000 CR3: 0000000104c66005 CR4: 00000000003706e0 # [ 60.697387] Call Trace: # [ 60.700115] direct_entry.cold+0x2c/0x38 # [ 60.704497] full_proxy_write+0x53/0x80 # [ 60.715005] vfs_write+0xe7/0x3a0 # [ 60.718703] ksys_write+0x68/0xf0 # [ 60.728614] do_syscall_64+0x30/0x40 # [ 60.732603] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.738241] RIP: 0033:0x7fb64fdea8f3 # [ 60.742228] 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 # [ 60.763213] RSP: 002b:00007ffc4d5c3cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.771669] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb64fdea8f3 # [ 60.779639] RDX: 000000000000000c RSI: 00007fb64fcdd000 RDI: 0000000000000001 # [ 60.787609] RBP: 00007fb64fcdd000 R08: 00007fb64fcdc010 R09: 0000000000000000 # [ 60.795580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.803549] R13: 0000000000000001 R14: 00000000[ 68.001308] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 00020000 R15: 0000000000020000 # [ 60.811523] Modules linked [ 68.010330] lkdtm: attempting safe refcount_inc_not_zero() from zero in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 68.023667] lkdtm: Good: zero detected [ 68.034044] lkdtm: Correctly stayed at zero alio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cro[ 68.038715] lkdtm: attempting bad refcount_inc() from zero [ 68.051053] ------------[ cut here ]------------ s_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x8[ 68.056210] refcount_t: addition on 0; use-after-free. 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.84416[ 68.068189] WARNING: CPU: 1 PID: 2315 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 2] CR2: 0000000000000000 # [ 60.847859] ---[ end trace 0d22e6[ 68.083806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cf039e284e ]--- # [ 60.853004] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.116449] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 60.857380] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff[ 68.131319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff [ 68.144341] RIP: 0010:refcount_warn_saturate+0x74/0x110 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 68.156395] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 b1 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 00 00 83 05 20 db 92 02 # [ 60.878360] RSP: 0018:ffffa1b7c14[ 68.183599] RSP: 0018:ffffa1b7c2dafe48 EFLAGS: 00010286 97e60 EFLAGS: 00010286 # [ 60.884192] RAX: ffffffffb0cde9f0 R[ 68.195661] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 BX: 0000000000000001 RCX: 0000000000000000 # [ 60.892162] RDX[ 68.209847] RDX: ffff924b3acac660 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 : 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 [ 68.224033] RBP: ffffffffb1d82191 R08: 0000000000000000 R09: 0000000000000000 # [ 60.900132] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09[ 68.238222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 : 0000000000000001 # [ 60.908100] R10: 00000000ffffe000 R11: [ 68.252414] R13: ffffa1b7c2daff10 R14: ffffa1b7c2daff10 R15: ffff924ac54ca000 3fffffffffffffff R12: 0000000000000004 # [ 60.916069] R13: ff[ 68.266606] FS: 00007f4363019580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 ffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ [ 68.281865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 60.924038] FS: 00007fb64fed4580(0000) GS:ffff924b3ac80000(000[ 68.294502] CR2: 00007f4362e22000 CR3: 00000001040fe003 CR4: 00000000003706e0 0) knlGS:0000000000000000 # [ 60.933076] CS: 0010 DS: 0000 E[ 68.308692] Call Trace: S: 0000 CR0: 0000000080050033 # [ 60.939491] CR2: 00000000000[ 68.317642] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 00000 CR3: 0000000104c66005 CR4: 00000000003706e0 # [ 60.9474[ 68.328820] direct_entry.cold+0x2c/0x38 61] BUG: sleeping function called from invalid context at includ[ 68.339416] full_proxy_write+0x53/0x80 e/linux/percpu-rwsem.h:49 # [ 60.957374] in_atomic(): 0, irqs[ 68.349918] vfs_write+0xe7/0x3a0 _disabled(): 1, non_block: 0, pid: 1910, name: cat # [ 60.965[ 68.359832] ksys_write+0x68/0xf0 831] INFO: lockdep is turned off. # [ 60.970206] irq event st[ 68.369750] do_syscall_64+0x30/0x40 amp: 0 # [ 60.973610] hardirqs last enabled at (0): [<000000[ 68.379960] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000>] 0x0 # [ 60.980609] hardirqs last disabled at (0)[ 68.391818] RIP: 0033:0x7f4362f2f8f3 : [] copy_process+0x640/0x1c80 # [ 60.98974[ 68.402026] 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 4] softirqs last enabled at (0): [] copy_proc[ 68.429229] RSP: 002b:00007fffeb813968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ess+0x640/0x1c80 # [ 60.998879] softirqs last disabled at (0)[ 68.443905] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4362f2f8f3 : [<0000000000000000>] 0x0 # [ 61.005879] CPU: 1 PID: 1910 Co[ 68.458095] RDX: 0000000000000012 RSI: 00007f4362e22000 RDI: 0000000000000001 mm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 61.[ 68.472287] RBP: 00007f4362e22000 R08: 00007f4362e21010 R09: 0000000000000000 014530] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 68.486479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.021332] Call Trace: # [ 61.024061] dump_stack+0x77/0[ 68.500669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x9b # [ 61.027760] ___might_sleep.cold+0xa6/0xb6 # [ 61.0[ 68.514864] irq event stamp: 0 32333] exit_signals+0x1c/0x2e0 # [ 61.036313] do_exit+0xd5/[ 68.524485] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0xb00 # [ 61.039816] ? ksys_write+0x68/0xf0 # [ 61.043710[ 68.537704] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ] rewind_stack_do_exit+0x17/0x20 # [ 61.048379] RIP: 0033:0x[ 68.553057] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 7fb64fdea8f3 # [ 61.052366] Code: 8b 15 a1 25 0e 00 f7 d8 64 [ 68.568412] softirqs last disabled at (0): [<0000000000000000>] 0x0 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 68.581629] ---[ end trace 0d22e6cf039e285a ]--- 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 68.593007] lkdtm: Zero detected: saturated 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.073351] RSP: 002b:00007ffc4d5c3cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.081799] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fb64fdea8f3 # [ 61.089767] RDX: 000000000000000c RSI: 00007fb64fcdd000 RDI: 0000000000000001 # [ 61.097736] RBP: 00007fb64fcdd000 R08: 00007fb64fcdc010 R09: 0000000000000000 # [ 61.105706] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.113675] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 61.241763] lkdtm: Performing direct entry WRITE_RO # [ 61.251397] lkdtm: attempting bad rodata write at ffffffffb199b310 # [ 61.258358] BUG: unable to handle page fault for address: ffffffffb199b310 # [ 61.266045] #PF: supervisor write access in kernel mode # [ 61.278091] #PF: error_code(0x0003) - permissions violation # [ 61.284315] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 80000000576000e1 # [ 61.291806] Oops: 0003 [#14] SMP PTI # [ 61.302007] CPU: 3 PID: 1945 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 61.310655] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.317461] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 61.322420] Code: 00 48 c7 c7 f8 2e d8 b1 48 c7 c6 10 b3 99 b1 e8 31 9c fd ff 48 8b 05 87 dd 65 00 ba 34 12 cd ab 48 c7 c7 28 2f d8 b1 48 31 d0 <48> 89 05 71 dd 65 00 e9 0f 9c fd ff 0[ 68.748295] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO f 1f 44 00 00 48 8b 05 80 0d # [ 61.349614] RSP: 0018:ffffa1b[ 68.759498] lkdtm: attempting safe refcount_add_not_zero() from zero 7c27a7e60 EFLAGS: 00010202 # [ 61.355448] RAX: 000000000198b8[ 68.772810] lkdtm: Good: zero detected 61 RBX: 0000000000000028 RCX: 0000000000000000 # [ 61.363418][ 68.783201] lkdtm: Correctly stayed at zero RDX: 00000000abcd1234 RSI: ffff924b3ad9bf70 RDI: ffffffffb1d82f[ 68.794111] lkdtm: attempting bad refcount_add() from zero 28 # [ 61.371387] RBP: ffffffffb1d82115 R08: 0000000000000000[ 68.806461] ------------[ cut here ]------------ R09: 0000000000000000 # [ 61.379357] R10: 00000000ffffe000 R[ 68.817851] refcount_t: addition on 0; use-after-free. 11: 3fffffffffffffff R12: 0000000000000009 # [ 61.387325] R13[ 68.829829] WARNING: CPU: 0 PID: 2347 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 : ffffa1b7c27a7f10 R14: ffffa1b7c27a7f10 R15: ffff924ac4e7e000 [ 68.845461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.395295] FS: 00007fd381787580(0000) GS:ffff924b3ad80000[ 68.878130] CPU: 0 PID: 2347 Comm: cat Tainted: G D W 5.10.147-cip17 #1 (0000) knlGS:0000000000000000 # [ 61.404325] CS: 0010 DS: 00[ 68.892971] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 ES: 0000 CR0: 0000000080050033 # [ 61.410739] CR2: fffffff[ 68.906039] RIP: 0010:refcount_warn_saturate+0x74/0x110 fb199b310 CR3: 0000000103f84001 CR4: 00000000003706e0 # [ 61.[ 68.918113] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 b1 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 418706] Call Trace: # [ 61.421433] direct_entry.cold+0x2c/0x[ 68.945321] RSP: 0018:ffffa1b7c2e17e48 EFLAGS: 00010286 38 # [ 61.425812] full_proxy_write+0x53/0x80 # [ 61.43009[ 68.957393] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 3] vfs_write+0xe7/0x3a0 # [ 61.433790] ksys_write+0x68/0xf0[ 68.971581] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 61.437478] do_syscall_64+0x30/0x40 # [ 61.441458] e[ 68.985774] RBP: ffffffffb1d821a3 R08: 0000000000000000 R09: 0000000000000000 ntry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.447097] RIP: 0[ 68.999963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 033:0x7fd38169d8f3 # [ 61.451085] Code: 8b 15 a1 25 0e 00 f7 [ 69.014182] R13: ffffa1b7c2e17f10 R14: ffffa1b7c2e17f10 R15: ffff924ac3f83000 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0[ 69.028367] FS: 00007f3caadb5580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 [ 69.043628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.472067] R[ 69.056283] CR2: 00007f3caabbe000 CR3: 0000000103958003 CR4: 00000000003706f0 SP: 002b:00007fffd5672868 EFLAGS: 00000246 ORIG_RAX: 00000000000[ 69.070514] Call Trace: 00001 # [ 61.480513] RAX: ffffffffffffffda RBX: 0000000000000[ 69.079427] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 009 RCX: 00007fd38169d8f3 # [ 61.488482] RDX: 000000000000000[ 69.090646] direct_entry.cold+0x2c/0x38 9 RSI: 00007fd381590000 RDI: 0000000000000001 # [ 61.496451] [ 69.101245] full_proxy_write+0x53/0x80 RBP: 00007fd381590000 R08: 00007fd38158f010 R09: 000000000000000[ 69.111722] vfs_write+0xe7/0x3a0 0 # [ 61.504419] R10: fffffffffffffbc5 R11: 0000000000000246 [ 69.121619] ksys_write+0x68/0xf0 R12: 0000000000000001 # [ 61.512388] R13: 0000000000000001 R1[ 69.131566] do_syscall_64+0x30/0x40 4: 0000000000020000 R15: 0000000000020000 # [ 61.520362] Modu[ 69.141769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 69.153630] RIP: 0033:0x7f3caaccb8f3 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 69.163822] 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 chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_[ 69.191045] RSP: 002b:00007ffde0633048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 69.205711] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3caaccb8f3 61.546823] CR2: ffffffffb199b310 # [ 61.556732] ---[ end t[ 69.219934] RDX: 0000000000000012 RSI: 00007f3caabbe000 RDI: 0000000000000001 race 0d22e6cf039e284f ]--- # [ 61.561886] RIP: 0010:lkdtm_BUG[ 69.234076] RBP: 00007f3caabbe000 R08: 00007f3caabbd010 R09: 0000000000000000 +0x5/0x10 # [ 61.566262] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 [ 69.248248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f[ 69.262431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 [ 69.276632] irq event stamp: 0 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 61.587245] RSP: 0018:[ 69.286274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffa1b7c1497e60 EFLAGS: 00010286 # [ 61.593077] RAX: fffffff[ 69.299488] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.[ 69.314850] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 601045] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: fffffff[ 69.330203] softirqs last disabled at (0): [<0000000000000000>] 0x0 fb199ae90 # [ 61.609013] RBP: ffffffffb1ddd3c0 R08: 000000000[ 69.343423] ---[ end trace 0d22e6cf039e285b ]--- 0000001 R09: 0000000000000001 # [ 61.616999] R10: 00000000fff[ 69.354810] lkdtm: Zero detected: saturated fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.624968] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 61.632950] FS: 00007fd381787580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 61.642003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.648416] CR2: ffffffffb199b310 CR3: 0000000103f84001 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 61.774652] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 61.787246] lkdtm: attempting bad ro_after_init write at ffffffffb1dfe330 # [ 61.794893] BUG: unable to handle page fault for address: ffffffffb1dfe330 # [ 61.802573] #PF: supervisor write access in kernel mode # [ 61.814616] #PF: error_code(0x0003) - permissions violation # [ 61.820839] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 8000000057a000e1 # [ 61.828329] Oops: 0003 [#15] SMP PTI # [ 61.838528] CPU: 3 PID: 1980 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 61.847177] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.860199] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 61.866225] Code: 2f d8 b1 e9 e3 9b fd ff 48 c7 c7 80 2f d8 b1 e8 d7 9b fd ff 48 8b 05 4d 0d ac 00 ba 34 12 cd ab 48 c7 c7 2[ 69.494180] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 69.503064] lkdtm: attempting bad refcount_inc() from saturated [ 69.509699] ------------[ cut here ]------------ [ 69.514875] refcount_t: saturated; leaking memory. [ 69.520259] WARNING: CPU: 3 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 69.529696] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8 2f d8 b1 48 31 d0 <48> 89 05 37 0d ac 00 e9 b5 9b fd ff 0f 1f [ 69.556148] CPU: 3 PID: 2382 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 69.571016] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.577857] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 69.583696] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 [ 69.604739] RSP: 0018:ffffa1b7c2ecfe48 EFLAGS: 00010286 44 00 00 41 54 48 c7 c7 # [ 61.887204] RSP: 0018:ffffa1b7c283[ 69.610595] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 69.624768] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 69.632742] RBP: ffffffffb1d821b5 R08: 0000000000000000 R09: 0000000000000000 [ 69.640715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 69.648689] R13: ffffa1b7c2ecff10 R14: ffffa1b7c2ecff10 R15: ffff924ac3b14000 [ 69.656661] FS: 00007f96a8734580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 69.665705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.672125] CR2: 00007f96a853d000 CR3: 00000001046ae002 CR4: 00000000003706e0 [ 69.680099] Call Trace: [ 69.682831] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 69.688315] direct_entry.cold+0x2c/0x38 [ 69.692727] full_proxy_write+0x53/0x80 [ 69.697014] vfs_write+0xe7/0x3a0 [ 69.700747] ksys_write+0x68/0xf0 [ 69.704451] do_syscall_64+0x30/0x40 [ 69.708475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.714120] RIP: 0033:0x7f96a864a8f3 [ 69.718112] 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 [ 69.739100] RSP: 002b:00007ffdbc450518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.747560] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f96a864a8f3 [ 69.755534] RDX: 0000000000000017 RSI: 00007f96a853d000 RDI: 0000000000000001 [ 69.763507] RBP: 00007f96a853d000 R08: 00007f96a853c010 R09: 0000000000000000 [ 69.771481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.779455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.787435] irq event stamp: 0 fe60 EFLAGS: 00010202 # [ 61.893036] RAX: 00000000fe67479e RB[ 69.790869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.804083] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.813253] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 X: 0000000000000029 RCX: 0000000000000000 # [ 61.901005] RDX:[ 69.822392] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.835606] ---[ end trace 0d22e6cf039e285c ]--- 00000000abcd1234 RSI: ffff924b3ad9bf70 RDI: ffffffffb1d82f28 #[ 69.840763] lkdtm: Saturation detected: still saturated [ 61.908971] RBP: ffffffffb1d8211e R08: 0000000000000000 R09: 0000000000000000 # [ 61.916949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 61.924917] R13: ffffa1b7c283ff10 R14: ffffa1b7c283ff10 R15: ffff924ac3de5000 # [ 61.932878] FS: 00007f50693b8580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 61.941913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.948327] CR2: ffffffffb1dfe330 CR3: 000000010277c005 CR4: 00000000003706e0 # [ 61.956294] Call Trace: # [ 61.959021] direct_entry.cold+0x2c/0x38 # [ 61.963400] full_proxy_write+0x53/0x80 # [ 61.967681] vfs_write+0xe7/0x3a0 # [ 61.971378] ksys_write+0x68/0xf0 # [ 61.975075] do_syscall_64+0x30/0x40 # [ 61.979054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.984692] RIP: 0033:0x7f50692ce8f3 # [ 61.988671] 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 # [ 62.009652] RSP: 002b:00007fff6afdc868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.018106] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f50692ce8f3 # [ 62.026073] RDX: 0000000000000014 RSI: 00007f50691c1000 RDI: 0000000000000001 # [ 62.034042] RBP: [ 69.978873] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 69.990357] lkdtm: attempting bad refcount_dec() from saturated 00007f50691c1000 R08: 00007f50691c0010 R09: 0000000000000000 # [ 69.997015] ------------[ cut here ]------------ [ 70.008374] refcount_t: decrement hit 0; leaking memory. [ 70.014333] WARNING: CPU: 3 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 70.023768] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.050217] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 70.058892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.065701] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 70.071562] Code: 28 dc d1 b1 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db d1 b1 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 70.092549] RSP: 0018:ffffa1b7c2f27e48 EFLAGS: 00010286 [ 70.098387] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 62.042011] R10: fffffffffffffbc5 R11: 0000000000000246 R12: [ 70.106364] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 70.120555] RBP: ffffffffb1d821cc R08: 0000000000000000 R09: 0000000000000000 [ 70.128558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 70.136530] R13: ffffa1b7c2f27f10 R14: ffffa1b7c2f27f10 R15: ffff924ac4e6e000 [ 70.144503] FS: 00007fbdeb6e4580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 70.153544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.159970] CR2: 00007fbdeb4ed000 CR3: 00000001038ae001 CR4: 00000000003706e0 [ 70.167973] Call Trace: [ 70.170706] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 70.176185] direct_entry.cold+0x2c/0x38 [ 70.180586] full_proxy_write+0x53/0x80 [ 70.184871] vfs_write+0xe7/0x3a0 [ 70.188596] ksys_write+0x68/0xf0 [ 70.192298] do_syscall_64+0x30/0x40 [ 70.196313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.201956] RIP: 0033:0x7fbdeb5fa8f3 0000000000000001 # [ 62.049980] R13: 0000000000000001 R14: 00[ 70.205953] 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 [ 70.233154] RSP: 002b:00007ffeb3626c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.241613] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbdeb5fa8f3 [ 70.249585] RDX: 0000000000000017 RSI: 00007fbdeb4ed000 RDI: 0000000000000001 [ 70.257555] RBP: 00007fbdeb4ed000 R08: 00007fbdeb4ec010 R09: 0000000000000000 [ 70.265526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.273499] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.281475] irq event stamp: 0 00000000020000 R15: 0000000000020000 # [ 62.057974] Modules l[ 70.284909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.298121] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.307259] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.316395] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.323396] ---[ end trace 0d22e6cf039e285d ]--- [ 70.328552] lkdtm: Saturation detected: still saturated inked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.084433] CR2: ffffffffb1dfe330 # [ 62.088130] ---[ end trace 0d22e6cf039e2850 ]--- # [ 62.093275] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.097651] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 62.118633] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 62.124466] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.132432] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 62.140401] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 62.148368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.156336] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 62.164303] FS: 00007f50693b8580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 62.173340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.179755] CR2: ffffffffb1dfe330 CR3: 000000010277c005 CR4: 00000000003706e0 # [ 62.187722] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.197633] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1980, name: cat # [ 62.206087] INFO: lockdep is turned off. # [ 62.210461] irq event stamp: 0 # [ 62.213866] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.220866] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62[ 70.503048] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 70.515390] lkdtm: attempting bad refcount_dec() from saturated [ 70.522036] ------------[ cut here ]------------ [ 70.527226] refcount_t: saturated; leaking memory. [ 70.532613] WARNING: CPU: 3 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 70.542053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.568507] CPU: 3 PID: 2452 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 70.577158] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.583968] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 70.589805] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 [ 70.610791] RSP: 0018:ffffa1b7c2fc7e48 EFLAGS: 00010286 [ 70.616628] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 70.624600] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 70.632574] RBP: ffffffffb1d821e3 R08: 0000000000000000 R09: 0000000000000000 [ 70.640546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 70.648518] R13: ffffa1b7c2fc7f10 R14: ffffa1b7c2fc7f10 R15: ffff924ac31ee000 [ 70.656491] FS: 00007fd4d2655580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 70.665532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.671951] CR2: 00007fd4d245e000 CR3: 0000000106488001 CR4: 00000000003706e0 .230005] softirqs last enabled at (0): [] cop[ 70.679924] Call Trace: [ 70.688865] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 70.694339] direct_entry.cold+0x2c/0x38 [ 70.698744] full_proxy_write+0x53/0x80 [ 70.703027] vfs_write+0xe7/0x3a0 [ 70.706751] ksys_write+0x68/0xf0 [ 70.710451] do_syscall_64+0x30/0x40 [ 70.714467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.720110] RIP: 0033:0x7fd4d256b8f3 [ 70.724102] 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 [ 70.745087] RSP: 002b:00007fff4146bd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.753546] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd4d256b8f3 [ 70.761519] RDX: 0000000000000017 RSI: 00007fd4d245e000 RDI: 0000000000000001 [ 70.769491] RBP: 00007fd4d245e000 R08: 00007fd4d245d010 R09: 0000000000000000 [ 70.777462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 y_process+0x640/0x1c80 # [ 62.239138] softirqs last disabled [ 70.785436] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 at (0): [<0000000000000000>] 0x0 # [ 62.246135] CPU: 3 PID: 1[ 70.799626] irq event stamp: 0 980 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [[ 70.809245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.822462] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.831630] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.840767] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.847769] ---[ end trace 0d22e6cf039e285e ]--- [ 70.852950] lkdtm: Saturation detected: still saturated 62.254783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.261586] Call Trace: # [ 62.264314] dump_stack+0x77/0x9b # [ 62.268014] ___might_sleep.cold+0xa6/0xb6 # [ 62.272586] exit_signals+0x1c/0x2e0 # [ 62.276574] do_exit+0xd5/0xb00 # [ 62.280078] ? ksys_write+0x68/0xf0 # [ 62.283971] rewind_stack_do_exit+0x17/0x20 # [ 62.288638] RIP: 0033:0x7f50692ce8f3 # [ 62.292625] 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 # [ 62.313608] RSP: 002b:00007fff6afdc868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.322054] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f50692ce8f3 # [ 62.330024] RDX: 0000000000000014 RSI: 00007f50691c1000 RDI: 0000000000000001 # [ 62.338000] RBP: 00007f50691c1000 R08: 00007f50691c0010 R09: 0000000000000000 # [ 62.345970] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.353947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 62.501128] lkdtm: Performing direct entry WRITE_KERN # [ 62.510753] lkdtm: attempting bad 6678339 byte write at ffffffffb133d503 # [ 62.518256] BUG: unable to handle page fault for address: ffffffffb133d503 # [ 62.532136] #PF: supervisor write access in kernel mode # [ 62.537970] #PF: error_code(0x0003) - permissions violation # [ 62.544191] PGD 57e29067 P4D 57e29067 PUD 57e2a063 PMD 570000e1 # [ 62.550905] Oops: 0003 [#16] SMP P[ 71.020374] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED TI # [ 62.561104] CPU: 2 PID: 2015 Comm: cat Tainted: G [ 71.034373] lkdtm: attempting bad refcount_inc_not_zero() from saturated D W 5.10.147-cip17 #1 # [ 62.569743] Hardware name: G[ 71.048085] ------------[ cut here ]------------ oogle Rammus/Rammus, BIOS 09/04/2020 # [ 62.576550] RIP: 001[ 71.059447] refcount_t: saturated; leaking memory. 0:lkdtm_WRITE_KERN+0x38/0x4e # [ 62.581704] Code: 53 48 c7 c3[ 71.071036] WARNING: CPU: 0 PID: 2484 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 03 d5 33 b1 49 89 dc 48 89 da 49 81 ec c0 ed cd b0 4c 89 e6 e8 [ 71.086676] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed cd b0 a4 48 c7[ 71.119359] CPU: 0 PID: 2484 Comm: cat Tainted: G D W 5.10.147-cip17 #1 c7 28 2f d8 b1 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 62[ 71.134196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .602679] RSP: 0018:ffffa1b7c28b7e50 EFLAGS: 00010246 # [ 62.6[ 71.147234] RIP: 0010:refcount_warn_saturate+0x97/0x110 08512] RAX: 000000000000003c RBX: ffffffffb133d503 RCX: 00000000[ 71.159279] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 0065e743 # [ 62.616481] RDX: 0000000000000000 RSI: ffffffffb0[ 71.186535] RSP: 0018:ffffa1b7c303fe38 EFLAGS: 00010282 cdedc0 RDI: ffffffffb133d503 # [ 62.624450] RBP: ffffffffb1d8[ 71.198534] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 2132 R08: 0000000000000000 R09: 0000000000000000 # [ 62.63241[ 71.212735] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 9] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065[ 71.226913] RBP: ffffffffb1d81e10 R08: 0000000000000000 R09: 0000000000000000 e743 # [ 62.640389] R13: ffffa1b7c28b7f10 R14: ffffa1b7c28b7f[ 71.241113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 10 R15: ffff924ac562d000 # [ 62.648359] FS: 00007f0e9c471580[ 71.255341] R13: ffffa1b7c303ff10 R14: ffffa1b7c303ff10 R15: ffff924ac380e000 (0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 # [ 6[ 71.269527] FS: 00007f3887048580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 2.657398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 71.284795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 62.663813] CR2: ffffffffb133d503 CR3: 0000000103d94002 CR4: 0[ 71.297410] CR2: 00007f3886e51000 CR3: 00000001038ae003 CR4: 00000000003706f0 0000000003706e0 # [ 62.671783] Call Trace: # [ 62.674512] [ 71.311611] Call Trace: direct_entry.cold+0x2c/0x38 # [ 62.678889] full_proxy_write[ 71.320563] __refcount_add_not_zero.constprop.0+0x2a/0x35 +0x53/0x80 # [ 62.683161] vfs_write+0xe7/0x3a0 # [ 62.686[ 71.332941] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 859] ksys_write+0x68/0xf0 # [ 62.690558] do_syscall_64+0x30[ 71.345489] direct_entry.cold+0x2c/0x38 /0x40 # [ 62.694548] entry_SYSCALL_64_after_hwframe+0x61/0xc[ 71.356085] full_proxy_write+0x53/0x80 6 # [ 62.700187] RIP: 0033:0x7f0e9c3878f3 # [ 62.704174] C[ 71.366591] vfs_write+0xe7/0x3a0 ode: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7[ 71.376525] ksys_write+0x68/0xf0 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f [ 71.386441] do_syscall_64+0x30/0x40 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54[ 71.396663] entry_SYSCALL_64_after_hwframe+0x61/0xc6 24 18 # [ 62.725158] RSP: 002b:00007ffccbda3a68 EFLAGS: 0000[ 71.408537] RIP: 0033:0x7f3886f5e8f3 0246 ORIG_RAX: 0000000000000001 # [ 62.733615] RAX: fffffffff[ 71.418746] 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 fffffda RBX: 000000000000000b RCX: 00007f0e9c3878f3 # [ 62.74[ 71.445970] RSP: 002b:00007ffcc2c77728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 1585] RDX: 000000000000000b RSI: 00007f0e9c27a000 RDI: 000000000[ 71.460633] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3886f5e8f3 0000001 # [ 62.749553] RBP: 00007f0e9c27a000 R08: 00007f0e9c2[ 71.474855] RDX: 0000000000000020 RSI: 00007f3886e51000 RDI: 0000000000000001 79010 R09: 0000000000000000 # [ 62.757524] R10: fffffffffffff[ 71.489014] RBP: 00007f3886e51000 R08: 00007f3886e50010 R09: 0000000000000000 bc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.765495[ 71.503203] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 71.517431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 # [ 62.773468] Modules linked in: fuse ip_tables cros_ec_[ 71.531645] irq event stamp: 0 sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo[ 71.541269] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhu[ 71.554477] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 b cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_[ 71.569872] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 dev cros_usbpd_notify # [ 62.799931] CR2: ffffffffb133d503 #[ 71.585215] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.809842] ---[ end trace 0d22e6cf039e2851 ]--- # [ 62.8[ 71.598462] ---[ end trace 0d22e6cf039e285f ]--- 15002] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.819409] Code: 89 f[ 71.609860] lkdtm: Saturation detected: still saturated f e8 2e b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 20 db 92 02 # [ 62.840393] RSP: 0018:ffffa1b7c1497e60 EFLAGS: 00010286 # [ 62.846226] RAX: ffffffffb0cde9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.854193] RDX: 0000000000000000 RSI: ffff924b3ac1bf70 RDI: ffffffffb199ae90 # [ 62.862160] RBP: ffffffffb1ddd3c0 R08: 0000000000000001 R09: 0000000000000001 # [ 62.870130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.878099] R13: ffffa1b7c1497f10 R14: ffffa1b7c1497f10 R15: ffff924ac30fc000 # [ 62.886069] FS: 00007f0e9c471580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 # [ 62.895105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.901521] CR2: ffffffffb133d503 CR3: 0000000103d94002 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 63.036982] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 63.046776] lkdtm: attempting good refcount_inc() without overflow # [ 63.059903] lkdtm: attempting bad refcount_inc() overflow # [ 63.072142] ------------[ cut here ]------------ # [ 63.077299] refcount_t: saturated; leaking memory. # [ 63.088890] WARNING: CPU: 1 PID: 2050 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.104505] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.137144] CPU: 1 PID: 2050 Comm: cat Tainted: G [ 71.793353] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 71.803580] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 71.811079] ------------[ cut here ]------------ [ 71.816239] refcount_t: saturated; leaking memory. [ 71.821599] WARNING: CPU: 2 PID: 2516 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 71.831033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify D W 5.10.147-cip17 #1 # [ 63.152010] Hardware name[ 71.857496] CPU: 2 PID: 2516 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 71.872358] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.879164] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 71.885000] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 [ 71.905984] RSP: 0018:ffffa1b7c308fe38 EFLAGS: 00010282 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.165035] RIP: [ 71.911867] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 0010:refcount_warn_saturate+0x51/0x110 # [ 63.177092] Code: 8[ 71.926062] RDX: ffff924b3ad2c660 RSI: ffff924b3ad1bf70 RDI: ffff924b3ad1bf70 [ 71.940249] RBP: ffffffffb1d81e30 R08: 0000000000000000 R09: 0000000000000000 [ 71.948226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 4 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75[ 71.956202] R13: ffffa1b7c308ff10 R14: ffffa1b7c308ff10 R15: ffff924ac4185000 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f[ 71.970388] FS: 00007f8b50c62580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 > 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1[ 71.985650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.204298] RSP: 0018:ffffa1b7c293fe48 EFLAGS: 00[ 71.998288] CR2: 00007f8b50a6b000 CR3: 0000000103f84004 CR4: 00000000003706e0 [ 72.011701] Call Trace: 010286 # [ 63.216342] RAX: 0000000000000000 RBX: 000000000000[ 72.014441] __refcount_add_not_zero.constprop.0+0x2a/0x35 002b RCX: 0000000000000000 # [ 63.230530] RDX: ffff924b3acac6[ 72.026784] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 60 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 # [ 63.244720][ 72.039323] direct_entry.cold+0x2c/0x38 RBP: ffffffffb1d8213d R08: 0000000000000000 R09: 00000000000000[ 72.049921] full_proxy_write+0x53/0x80 00 # [ 63.258919] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 72.060423] vfs_write+0xe7/0x3a0 R12: 0000000000000016 # [ 63.273103] R13: ffffa1b7c293ff10 R[ 72.070340] ksys_write+0x68/0xf0 14: ffffa1b7c293ff10 R15: ffff924ac4e13000 # [ 63.287291] FS:[ 72.080259] do_syscall_64+0x30/0x40 00007fb48d800580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000[ 72.090464] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000000 # [ 63.302550] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 72.102324] RIP: 0033:0x7f8b50b788f3 0000080050033 # [ 63.315186] CR2: 00007fb48d609000 CR3: 00000[ 72.112532] 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 00105424005 CR4: 00000000003706e0 # [ 63.329375] Call Trace:[ 72.139739] RSP: 002b:00007fff64610848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.338324] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ [ 72.154413] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8b50b788f3 63.349892] direct_entry.cold+0x2c/0x38 # [ 63.360488] full_[ 72.168603] RDX: 0000000000000020 RSI: 00007f8b50a6b000 RDI: 0000000000000001 proxy_write+0x53/0x80 # [ 63.371004] vfs_write+0xe7/0x3a0 #[ 72.182793] RBP: 00007f8b50a6b000 R08: 00007f8b50a6a010 R09: 0000000000000000 [ 63.380905] ksys_write+0x68/0xf0 # [ 63.390821] do_sysc[ 72.196985] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 all_64+0x30/0x40 # [ 63.401027] entry_SYSCALL_64_after_hwfra[ 72.211178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 me+0x61/0xc6 # [ 63.412885] RIP: 0033:0x7fb48d7168f3 # [ 6[ 72.225374] irq event stamp: 0 3.423092] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 72.234996] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 72.248217] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 72.263576] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 28 48 89 54 24 18 # [ 63.450297] RSP: 002b:00007ffe22a4db38 E[ 72.278932] softirqs last disabled at (0): [<0000000000000000>] 0x0 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.464974] RAX[ 72.292149] ---[ end trace 0d22e6cf039e2860 ]--- : ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb48d7168f3 [ 72.303523] lkdtm: Saturation detected: still saturated # [ 63.479161] RDX: 0000000000000016 RSI: 00007fb48d609000 RDI: 0000000000000001 # [ 63.493347] RBP: 00007fb48d609000 R08: 00007fb48d608010 R09: 0000000000000000 # [ 63.507533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.515506] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.529709] irq event stamp: 0 # [ 63.539312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.546316] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.561661] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.570799] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.584011] ---[ end trace 0d22e6cf039e2852 ]--- # [ 63.589171] 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 # [ 63.766310] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 63.775028] lkdtm: attempting good refcount_add() without overflow # [ 63.788160] lkdtm: attempting bad refcount_add() overflow # [ 63.800398] ------------[ cut here ]------------ # [ 63.811767] refcount_t: saturated; leaking memory. # [ 63.823361] WARNING: CPU: 1 PID: 2082 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.839021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 72.457102] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 72.466365] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 72.473855] ------------[ cut here ]------------ [ 72.479015] refcount_t: underflow; use-after-free. [ 72.484381] WARNING: CPU: 3 PID: 2551 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 72.493818] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.520267] CPU: 3 PID: 2551 Comm: cat Tainted: G D W 5.10.147-cip17 #1 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_ch[ 72.528945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.541986] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 72.547847] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 72.568837] RSP: 0018:ffffa1b7c3147e40 EFLAGS: 00010286 [ 72.574701] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 72.582674] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 72.590648] RBP: ffffffffb1d81e50 R08: 0000000000000000 R09: 0000000000000000 [ 72.598622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 72.606597] R13: ffffa1b7c3147f10 R14: ffffa1b7c3147f10 R15: ffff924ac4ac9000 [ 72.614571] FS: 00007f77cc433580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 72.623614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.630058] CR2: 00007f77cc23c000 CR3: 0000000105498004 CR4: 00000000003706e0 [ 72.638031] Call Trace: [ 72.640765] __refcount_sub_and_test.constprop.0+0x3c/0x50 ardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_li[ 72.646927] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 72.659456] direct_entry.cold+0x2c/0x38 ghtbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 72.663863] full_proxy_write+0x53/0x80 [ 72.674357] vfs_write+0xe7/0x3a0 [ 72.678090] ksys_write+0x68/0xf0 [ 72.681794] do_syscall_64+0x30/0x40 [ 72.685819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.691492] RIP: 0033:0x7f77cc3498f3 [ 72.695485] 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 [ 72.716475] RSP: 002b:00007fff25a6b918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.724969] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f77cc3498f3 [ 72.732969] RDX: 0000000000000020 RSI: 00007f77cc23c000 RDI: 0000000000000001 [ 72.740953] RBP: 00007f77cc23c000 R08: 00007f77cc23b010 R09: 0000000000000000 [ 72.748943] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 63.871687] CPU: 1 PID: 2082 Comm: cat Tainted: G D W [ 72.756925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.771132] irq event stamp: 0 5.10.147-cip17 #1 # [ 63.886531] Hardware name: Google Ram[ 72.774549] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.787763] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 mus/Rammus, BIOS 09/04/2020 # [ 63.899550] RIP: 0010:refcoun[ 72.796906] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 t_warn_saturate+0x51/0x110 # [ 63.911602] Code: 84 bc 00 00 0[ 72.812259] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.825477] ---[ end trace 0d22e6cf039e2861 ]--- [ 72.830635] lkdtm: Saturation detected: still saturated 0 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 # [ 63.938805] RSP: 0018:ffffa1b7c299fe48 EFLAGS: 00010286 # [ 63.950857] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 63.958829] RDX: ffff924b3acac660 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 # [ 63.973009] RBP: ffffffffb1d82153 R08: 0000000000000000 R09: 0000000000000000 # [ 63.981000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.995184] R13: ffffa1b7c299ff10 R14: ffffa1b7c299ff10 R15: ffff924ac4c83000 # [ 64.003158] FS: 00007fcbbcd2e580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 64.018408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.024829] CR2: 00007fcbbcb37000 CR3: 0000000103928002 CR4: 00000000003706e0 # [ 64.039012] Call Trace: # [ 64.041746] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 64.053305] direct_entry.cold+0x2c/0x38 # [ 64.063901] full_proxy_write+0x53/0x80 # [ 64.074404] vfs_write+0xe7/0x3a0 # [ 64.084321] ksys_write+0x68/0xf0 # [ 64.094237] do_syscall_64+0x30/0x40 # [ 64.104444] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.116303] RIP: 0033:0x7fcbbcc448f3 # [ 64.126511] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 72.970958] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 72.981124] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 72.988632] ------------[ cut here ]------------ [ 72.993804] refcount_t: underflow; use-after-free. [ 72.999179] WARNING: CPU: 3 PID: 2586 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 73.008615] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 73.035063] CPU: 3 PID: 2586 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 73.043717] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 73.050526] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 73.056364] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 [ 73.077351] RSP: 0018:ffffa1b7c31b7e40 EFLAGS: 00010286 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 73.083189] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 73.097382] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 [ 73.105386] RBP: ffffffffb1d81e70 R08: 0000000000000000 R09: 0000000000000000 [ 73.113360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 73.121332] R13: ffffa1b7c31b7f10 R14: ffffa1b7c31b7f10 R15: ffff924ac4ca8000 [ 73.129305] FS: 00007fbb31da4580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 [ 73.138370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 73.144800] CR2: 00007fbb31bad000 CR3: 00000001040fe006 CR4: 00000000003706e0 [ 73.158997] Call Trace: [ 73.161729] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 73.167890] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 73.174237] direct_entry.cold+0x2c/0x38 [ 73.178642] full_proxy_write+0x53/0x80 [ 64.153718] RSP: 002b:00007ffef2ca3618 EFLAGS: 00000246 ORIG[ 73.182957] vfs_write+0xe7/0x3a0 [ 73.192861] ksys_write+0x68/0xf0 [ 73.196564] do_syscall_64+0x30/0x40 [ 73.200555] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.206199] RIP: 0033:0x7fbb31cba8f3 [ 73.210190] 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 [ 73.231176] RSP: 002b:00007fffa3a5a968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.239636] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbb31cba8f3 [ 73.247608] RDX: 0000000000000020 RSI: 00007fbb31bad000 RDI: 0000000000000001 [ 73.255581] RBP: 00007fbb31bad000 R08: 00007fbb31bac010 R09: 0000000000000000 [ 73.263553] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.271524] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 73.279500] irq event stamp: 0 [ 73.282950] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _RAX: 0000000000000001 # [ 64.168394] RAX: ffffffffffffffda R[ 73.289955] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.305304] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.314443] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.321444] ---[ end trace 0d22e6cf039e2862 ]--- [ 73.326600] lkdtm: Saturation detected: still saturated BX: 0000000000000016 RCX: 00007fcbbcc448f3 # [ 64.182585] RDX: 0000000000000016 RSI: 00007fcbbcb37000 RDI: 0000000000000001 # [ 64.196775] RBP: 00007fcbbcb37000 R08: 00007fcbbcb36010 R09: 0000000000000000 # [ 64.210965] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.225155] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.239350] irq event stamp: 0 # [ 64.248972] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.262190] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.277543] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.292897] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.306116] ---[ end trace 0d22e6cf039e2853 ]--- # [ 64.317489] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 64.472675] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 64.485833] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 64.492746] ------------[ cut here ]------------ # [ 64.497904] refcount_t: saturated; leaking memory. # [ 64.503263] WARNING: CPU: 3 PID: 2114 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.512723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.539187] CPU: 3 PID: 2114 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 64.554046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.560855] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 64.566691] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 # [ 64.587673] RSP: 0018:ffffa1b7c2a4fe38 EFLAGS: 00010282 # [ 64.593509] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 64.601480] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 64.609450] RBP: ffffffffb1d81d90 R08: 0000000000000000 R09: 0000000000000000 # [ 64.617422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.625392] R13: ffffa1b7c2a4ff10 R14: ffffa1b7c2a4ff10 R15: ffff924ac3f60000 # [ 64.633364] FS: 00007f4a784ff580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 64.642401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.648819] CR2: 00007f4a78308000 CR3: 0000000103b40001 CR4: 00000000003706e0 # [ 64.656791] Call Trace: # [ 64.659522] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 64.665681] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 64.671905] direct_entry.cold+0x2c/0x38 # [ 64.676285] full_proxy_write+[ 73.626741] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 0x53/0x80 # [ 64.680595] vfs_write+0xe7/0x3a0 # [ 64.6843[ 73.637519] lkdtm: attempting good copy_to_user of correct size 19] ksys_write+0x68/0xf0 # [ 64.688021] do_syscall_64+0x30/[ 73.650356] lkdtm: attempting bad copy_to_user of too large size 0x40 # [ 64.692014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.697679] RIP: 0033:0x7f4a784158f3 # [ 64.701669] 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 # [ 64.722652] RSP: 002b:00007ffdb06ba028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.731111] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a784158f3 # [ 64.739083] RDX: 000000000000001f RSI: 00007f4a78308000 RDI: 0000000000000001 # [ 64.747053] RBP: 00007f4a78308000 R08: 00007f4a78307010 R09: 0000000000000000 # [ 64.755025] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.769232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.777208] irq event stamp: 0 # [ 64.780640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.793857] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.803029] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.812170] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.819172] ---[ end trace 0d22e6cf039e2854 ]--- # [ 64.824328] 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_N[ 73.803343] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 73.813183] lkdtm: attempting good copy_from_user of correct size [ 73.820003] lkdtm: attempting bad copy_from_user of too large size OT_ZERO_OVERFLOW.sh # [ 64.946445] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 64.955236] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 64.962150] ------------[ cut here ]------------ # [ 64.967319] refcount_t: saturated; leaking memory. # [ 64.972705] WARNING: CPU: 2 PID: 2146 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.982143] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.014777] CPU: 2 PID: 2146 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 65.023461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.030269] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 65.036109] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 # [ 65.057095] RSP: 0018:ffffa1b7c2ac7e38 EFLAGS: 00010282 # [ 65.062933] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 65.077123] RDX: ffff924b3ad2c660 RSI: ffff924b3ad1bf70 RDI: ffff924b3ad1bf70 # [ 65.085121] RBP: ffffffffb1d81db0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.099305] R10: 00000000ffffe000 R11: 3fffffffffff[ 73.965362] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 73.977191] lkdtm: attempting good copy_to_user inside whitelist [ 73.983919] lkdtm: attempting bad copy_to_user outside whitelist ffff R12: 000000000000001f # [ 65.107278] R13: ffffa1b7c2ac7f10 R14: ffffa1b7c2ac7f10 R15: ffff924ac54d8000 # [ 65.115251] FS: 00007f12e61ff580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 # [ 65.124315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.130749] CR2: 00007f12e6008000 CR3: 0000000104fa6006 CR4: 00000000003706e0 # [ 65.144950] Call Trace: # [ 65.147685] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 65.160021] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 65.166246] direct_entry.cold+0x2c/0x38 # [ 65.170652] full_proxy_write+0x53/0x80 # [ 65.174960] vfs_write+0xe7/0x3a0 # [ 65.178668] ksys_write+0x68/0xf0 # [ 65.188579] do_syscall_64+0x30/0x40 # [ 65.192596] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.198261] RIP: 0033:0x7f12e61158f3 # [ 65.202276] 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 # [ 65.223259] RSP: 002b:00007ffd35a48388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.231743] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12e61158f3 # [ 65.239716] RDX: 000000000000001f RSI: 00007f12e6008000 RDI: 0000000000000001 # [ 65.247688] RBP: 00007f12e6008000 R08: 00007f12e6007010 R09: 0000000000000000 # [ 65.2[ 74.126484] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 74.134814] lkdtm: attempting good copy_from_user inside whitelist [ 74.141738] lkdtm: attempting bad copy_from_user outside whitelist 55661] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.263632] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.271610] irq event stamp: 0 # [ 65.275045] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.288256] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.297418] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.306556] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.313558] ---[ end trace 0d22e6cf039e2855 ]--- # [ 65.318714] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 65.497856] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 65.504412] lkdtm: attempting good refcount_dec() # [ 65.515863] lkdtm: attempting bad refcount_dec() to zero # [ 65.528011] ------------[ cut here ]------------ # [ 65.539405] refcount_t: decrement hit 0; leaking memory. # [ 65.551568] WARNING: CPU: 0 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.567201] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.599862] CPU: 0 PID: 2178 Comm: cat Tainted: G [ 74.295119] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 74.304798] lkdtm: good_stack: ffffa1b7c354fe20-ffffa1b7c354fe40 D W 5.10.147-cip17 #1 # [ 65.614749] Hardware name[ 74.311537] lkdtm: bad_stack : ffffa1b7c354fda8-ffffa1b7c354fdc8 [ 74.324481] lkdtm: attempting good copy_to_user of local stack : Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.627779] RIP: [ 74.331009] lkdtm: attempting bad copy_to_user of distant stack 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.639850] Code: 28 dc d1 b1 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db d1 b1 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.667057] RSP: 0018:ffffa1b7c29f7e48 EFLAGS: 00010286 # [ 65.679127] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 65.693317] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 65.707511] RBP: ffffffffb1d82169 R08: 0000000000000000 R09: 0000000000000000 # [ 65.721719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.735918] R13: ffffa1b7c29f7f10 R14: ffffa1b7c29f7f10 R15: ffff924ac652c000 # [ 65.750122] FS: 00007f1e14fb0580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ 65.765385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.778038] CR2: 00007f1e14db9000 CR3: 0000000103904005 CR4: 00000000003706f0 # [ 65.792223] Call Trace: # [ 65.801203] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 65.812346] direct_entry.cold+0x2c/0x38 # [ 65.822971] full_proxy_write+0x53/0x80 # [ 65.833459] vfs_write+0xe7/0x3a0 # [ 65.843435] ksys_write+0x68/0xf0 # [ 65.853297] do_syscall_64+0x30/0x40 # [ 65.863557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.875386] RIP: 0033:0x7f1e14ec68f3 # [ 65.885582] Co[ 74.476288] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM de: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 74.487828] lkdtm: good_stack: ffffa1b7c35ffe20-ffffa1b7c35ffe40 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 74.500753] lkdtm: bad_stack : ffffa1b7c35ffda8-ffffa1b7c35ffdc8 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 74.513701] lkdtm: attempting good copy_from_user of local stack [ 74.526583] lkdtm: attempting bad copy_from_user of distant stack 24 18 # [ 65.912780] RSP: 002b:00007ffc1aac5dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.927466] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1e14ec68f3 # [ 65.941669] RDX: 0000000000000012 RSI: 00007f1e14db9000 RDI: 0000000000000001 # [ 65.955833] RBP: 00007f1e14db9000 R08: 00007f1e14db8010 R09: 0000000000000000 # [ 65.970001] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.984172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.998372] irq event stamp: 0 # [ 66.008034] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.021273] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.036632] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.052025] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.065255] ---[ end trace 0d22e6cf039e2856 ]--- # [ 66.076649] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 66.208026] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 66.218530] lkdtm: attempting bad refcount_dec() below zero # [ 66.224756] ------------[ cut here ]------------ # [ 66.229923] refcount_t: decrement hit 0; leaking memory. # [ 66.235872] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:31 refcount_warn_satur[ 74.672377] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 74.683122] lkdtm: good_stack: ffffa1b7c36a7e20-ffffa1b7c36a7e40 ate+0xfb/0x110 # [ 66.245309] Modules linked in: fuse ip_tabl[ 74.689855] lkdtm: bad_stack : ffffa1b7c36a7ff8-ffffa1b7c36a8018 es cros_ec_sensors cros_ec_sensors_core industrialio_triggered_b[ 74.702785] lkdtm: attempting good copy_to_user of local stack [ 74.715527] lkdtm: attempting bad copy_to_user of distant stack uffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_[ 74.722153] lkdtm: copy_to_user failed, but lacked Oops ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.271777] CPU: 3 PID: 2213 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 66.286640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.299665] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.311713] Code: 28 dc d1 b1 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db d1 b1 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.332698] RSP: 0018:ffffa1b7c2c07e48 EFLAGS: 00010286 # [ 66.338538] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 66.346509] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 66.354481] RBP: ffffffffb1d8217b R08: 0000000000000000 R09: 0000000000000000 # [ 66.362457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.370429] R13: ffffa1b7c2c07f10 R14: ffffa1b7c2c07f10 R15: ffff924ac3fe5000 # [ 66.378402] FS: 00007f190d08a580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 66.387442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.393860] CR2: 00007f190ce93000 CR3: 0000000102872001 CR4: 00000000003706e0 # [ 66.4[ 74.854786] lkdtm: Performing direct entry USERCOPY_KERNEL [ 74.864672] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb199b330 [ 74.873388] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb06e2e40 01832] Call Trace: # [ 66.404564] lkdtm_REFCOUNT_DEC_NEGATIV[ 74.881774] lkdtm: FAIL: survived bad copy_to_user() E+0x37/0x61 # [ 66.409956] direct_entry.cold+0x2c/0x38 # [ 66.420550] full_proxy_write+0x53/0x80 # [ 66.424858] vfs_write+0xe7/0x3a0 # [ 66.428583] ksys_write+0x68/0xf0 # [ 66.432285] do_syscall_64+0x30/0x40 # [ 66.436277] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.441920] RIP: 0033:0x7f190cfa08f3 # [ 66.445951] 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 # [ 66.473151] RSP: 002b:00007ffde962b058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.481609] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f190cfa08f3 # [ 66.489580] RDX: 0000000000000016 RSI: 00007f190ce93000 RDI: 0000000000000001 # [ 66.497552] RBP: 00007f190ce93000 R08: 00007f190ce92010 R09: 0000000000000000 # [ 66.505525] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.513496] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.521471] irq event stamp: 0 # [ 66.524906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.538120] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.547281] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.556419] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.563422] ---[ end trace 0d22e6cf039e2857 ]--- # [ 66.574796] 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 # [ 66.709604] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 66.718076] lkdtm: attempting bad refcount_dec_and_test([ 75.070688] lkdtm: Performing direct entry STACKLEAK_ERASING ) below zero # [ 66.725209] ------------[ cut here ]---------[ 75.080253] lkdtm: checking unused part of the thread stack (15928 bytes)... --- # [ 66.730373] refcount_t: underflow; use-after-free. # [ 75.094378] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 66.735732] WARNING: CPU: 2 PID: 2248 at lib/refcount.c:28 re[ 75.108340] lkdtm: FAIL: the thread stack is NOT properly erased [ 75.121251] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.147-cip17 #1 [ 75.129902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 75.136704] Call Trace: [ 75.139435] dump_stack+0x77/0x9b [ 75.143139] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 75.148300] direct_entry.cold+0x2c/0x38 [ 75.152679] full_proxy_write+0x53/0x80 [ 75.156963] vfs_write+0xe7/0x3a0 [ 75.160665] ksys_write+0x68/0xf0 [ 75.164364] do_syscall_64+0x30/0x40 [ 75.168353] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.174001] RIP: 0033:0x7f09f18ab8f3 [ 75.177997] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.198996] RSP: 002b:00007ffd8fbda6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.207454] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f09f18ab8f3 [ 75.215425] RDX: 0000000000000012 RSI: 00007f09f179e000 RDI: 0000000000000001 [ 75.223394] RBP: 00007f09f179e000 R08: 00007f09f179d010 R09: 0000000000000000 [ 75.231363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 75.239334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fcount_warn_saturate+0xba/0x110 # [ 66.745191] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.771654] CPU: 2 PID: 2248 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 66.786518] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.793326] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 66.799163] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 66.820148] RSP: 0018:ffffa1b7c2c6fe40 EFLAGS: 00010286 # [ 66.825984] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 66.833954] RDX: ffff924b3ad2c660 RSI: ffff924b3ad1bf70 RDI: ffff924b3ad1bf70 # [ 66.841945] RBP: ffffffffb1d81dd0 R08: 0000000000000000 R09: 0000000000000000 # [ 66.849922] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.864108] R13: ffffa1b7c2c6ff10 R14: ffffa1b7c2c6ff10 R15: ffff924ac4d13000 # [ 66.872104] FS: 00007efd2d158580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 # [ 66.881143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.887559] CR2: 00007efd2cf61000 CR3: 000000010564e004 CR4: 00000000003706e0 # [ 66.895531] Call Trace: # [ 66.898262] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 66.904436] lkdtm_RE[ 75.398531] lkdtm: Performing direct entry CFI_FORWARD_PROTO FCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 66.910674] direct[ 75.409176] lkdtm: Calling matched prototype ... _entry.cold+0x2c/0x38 # [ 66.921260] full_proxy_write+0x53/0[ 75.420549] lkdtm: Calling mismatched prototype ... x80 # [ 66.925567] vfs_write+0xe7/0x3a0 # [ 66.929291] k[ 75.432231] lkdtm: Fail: survived mismatched prototype function call! sys_write+0x68/0xf0 # [ 66.933004] do_syscall_64+0x30/0x40 # [ 66.937001] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.942634] RIP: 0033:0x7efd2d06e8f3 # [ 66.946625] 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 # [ 66.967608] RSP: 002b:00007ffd6f4a0088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.976065] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efd2d06e8f3 # [ 66.984036] RDX: 000000000000001f RSI: 00007efd2cf61000 RDI: 0000000000000001 # [ 66.992007] RBP: 00007efd2cf61000 R08: 00007efd2cf60010 R09: 0000000000000000 # [ 66.999999] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.007971] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.016001] irq event stamp: 0 # [ 67.019434] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.032645] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.041781] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.050917] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.057917] ---[ end trace 0d22e6cf039e2858 ]--- # [ 67.063072] 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 # [ 67.246468] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 67.256106] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 67.269411] ------------[ cut here ]------------ # [ 67.280772] refcount_t: underflow; use-after-free. # [ 67.292370] WARNING: CPU: 0 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 67.308044] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.340678] CPU: 0 PID: 2283 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 67.355543] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.368588] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 67.380644] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 67.407866] RSP: 0018:ffffa1b7c2d27e40 EFLAGS: 00010286 # [ 67.419925] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 67.434098] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 67.448328] RBP: ffffffffb1d81df0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.462511] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.476707] R13: ffffa1b7c2d27f10 R14: ffffa1b7c2d27f10 R15: ffff924ac38ad000 # [ 67.490920] FS: 00007fa9f466c580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ 67.506152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.518775] CR2: 00007fa9f4475000 CR3: 00000001054d6005 CR4: 00000000003706f0 # [ 67.532974] Call Trace: # [ 67.541953] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 67.554312] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 67.566793] direct_entry.cold+0x2c/0x38 # [ 67.577346] full_proxy_write+0x53/0x80 # [ 67.587889] vfs_write+0xe7/0x3a0 # [ 67.597797] ksys_write+0x68/0xf0 # [ 67.607690] do_syscall_64+0x30/0x40 # [ 67.617938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.629773] RIP: 0033:0x7fa9f45828f3 # [ 67.640005] 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 # [ 67.667190] RSP: 002b:00007ffe0646dc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.681886] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa9f45828f3 # [ 67.696067] RDX: 000000000000001f RSI: 00007fa9f4475000 RDI: 0000000000000001 # [ 67.710286] RBP: 00007fa9f4475000 R08: 00007fa9f4474010 R09: 0000000000000000 # [ 67.724481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.738648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.752873] irq event stamp: 0 # [ 67.762487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.775670] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.791066] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.806393] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.819602] ---[ end trace 0d22e6cf039e2859 ]--- # [ 67.830997] 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 # [ 68.001308] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 68.010330] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 68.023667] lkdtm: Good: zero detected # [ 68.034044] lkdtm: Correctly stayed at zero # [ 68.038715] lkdtm: attempting bad refcount_inc() from zero # [ 68.051053] ------------[ cut here ]------------ # [ 68.056210] refcount_t: addition on 0; use-after-free. # [ 68.068189] WARNING: CPU: 1 PID: 2315 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 68.083806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.116449] CPU: 1 PID: 2315 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 68.131319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.144341] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 68.156395] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 b1 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 # [ 68.183599] RSP: 0018:ffffa1b7c2dafe48 EFLAGS: 00010286 # [ 68.195661] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 68.209847] RDX: ffff924b3acac660 RSI: ffff924b3ac9bf70 RDI: ffff924b3ac9bf70 # [ 68.224033] RBP: ffffffffb1d82191 R08: 0000000000000000 R09: 0000000000000000 # [ 68.238222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.252414] R13: ffffa1b7c2daff10 R14: ffffa1b7c2daff10 R15: ffff924ac54ca000 # [ 68.266606] FS: 00007f4363019580(0000) GS:ffff924b3ac80000(0000) knlGS:0000000000000000 # [ 68.281865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.294502] CR2: 00007f4362e22000 CR3: 00000001040fe003 CR4: 00000000003706e0 # [ 68.308692] Call Trace: # [ 68.317642] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 68.328820] direct_entry.cold+0x2c/0x38 # [ 68.339416] full_proxy_write+0x53/0x80 # [ 68.349918] vfs_write+0xe7/0x3a0 # [ 68.359832] ksys_write+0x68/0xf0 # [ 68.369750] do_syscall_64+0x30/0x40 # [ 68.379960] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.391818] RIP: 0033:0x7f4362f2f8f3 # [ 68.402026] 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 # [ 68.429229] RSP: 002b:00007fffeb813968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.443905] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4362f2f8f3 # [ 68.458095] RDX: 0000000000000012 RSI: 00007f4362e22000 RDI: 0000000000000001 # [ 68.472287] RBP: 00007f4362e22000 R08: 00007f4362e21010 R09: 0000000000000000 # [ 68.486479] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.500669] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.514864] irq event stamp: 0 # [ 68.524485] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.537704] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.553057] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.568412] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.581629] ---[ end trace 0d22e6cf039e285a ]--- # [ 68.593007] 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 # [ 68.748295] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 68.759498] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 68.772810] lkdtm: Good: zero detected # [ 68.783201] lkdtm: Correctly stayed at zero # [ 68.794111] lkdtm: attempting bad refcount_add() from zero # [ 68.806461] ------------[ cut here ]------------ # [ 68.817851] refcount_t: addition on 0; use-after-free. # [ 68.829829] WARNING: CPU: 0 PID: 2347 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 68.845461] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.878130] CPU: 0 PID: 2347 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 68.892971] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.906039] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 68.918113] Code: 01 01 e8 0a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 b1 c6 05 0d 35 94 01 01 e8 e7 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 # [ 68.945321] RSP: 0018:ffffa1b7c2e17e48 EFLAGS: 00010286 # [ 68.957393] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 68.971581] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 68.985774] RBP: ffffffffb1d821a3 R08: 0000000000000000 R09: 0000000000000000 # [ 68.999963] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 69.014182] R13: ffffa1b7c2e17f10 R14: ffffa1b7c2e17f10 R15: ffff924ac3f83000 # [ 69.028367] FS: 00007f3caadb5580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ 69.043628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.056283] CR2: 00007f3caabbe000 CR3: 0000000103958003 CR4: 00000000003706f0 # [ 69.070514] Call Trace: # [ 69.079427] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 69.090646] direct_entry.cold+0x2c/0x38 # [ 69.101245] full_proxy_write+0x53/0x80 # [ 69.111722] vfs_write+0xe7/0x3a0 # [ 69.121619] ksys_write+0x68/0xf0 # [ 69.131566] do_syscall_64+0x30/0x40 # [ 69.141769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.153630] RIP: 0033:0x7f3caaccb8f3 # [ 69.163822] 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 # [ 69.191045] RSP: 002b:00007ffde0633048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.205711] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3caaccb8f3 # [ 69.219934] RDX: 0000000000000012 RSI: 00007f3caabbe000 RDI: 0000000000000001 # [ 69.234076] RBP: 00007f3caabbe000 R08: 00007f3caabbd010 R09: 0000000000000000 # [ 69.248248] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.262431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.276632] irq event stamp: 0 # [ 69.286274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.299488] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.314850] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.330203] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.343423] ---[ end trace 0d22e6cf039e285b ]--- # [ 69.354810] 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 # [ 69.494180] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 69.503064] lkdtm: attempting bad refcount_inc() from saturated # [ 69.509699] ------------[ cut here ]------------ # [ 69.514875] refcount_t: saturated; leaking memory. # [ 69.520259] WARNING: CPU: 3 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 69.529696] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.556148] CPU: 3 PID: 2382 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 69.571016] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.577857] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 69.583696] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 # [ 69.604739] RSP: 0018:ffffa1b7c2ecfe48 EFLAGS: 00010286 # [ 69.610595] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 69.624768] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 69.632742] RBP: ffffffffb1d821b5 R08: 0000000000000000 R09: 0000000000000000 # [ 69.640715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.648689] R13: ffffa1b7c2ecff10 R14: ffffa1b7c2ecff10 R15: ffff924ac3b14000 # [ 69.656661] FS: 00007f96a8734580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 69.665705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.672125] CR2: 00007f96a853d000 CR3: 00000001046ae002 CR4: 00000000003706e0 # [ 69.680099] Call Trace: # [ 69.682831] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 69.688315] direct_entry.cold+0x2c/0x38 # [ 69.692727] full_proxy_write+0x53/0x80 # [ 69.697014] vfs_write+0xe7/0x3a0 # [ 69.700747] ksys_write+0x68/0xf0 # [ 69.704451] do_syscall_64+0x30/0x40 # [ 69.708475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.714120] RIP: 0033:0x7f96a864a8f3 # [ 69.718112] 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 # [ 69.739100] RSP: 002b:00007ffdbc450518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.747560] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f96a864a8f3 # [ 69.755534] RDX: 0000000000000017 RSI: 00007f96a853d000 RDI: 0000000000000001 # [ 69.763507] RBP: 00007f96a853d000 R08: 00007f96a853c010 R09: 0000000000000000 # [ 69.771481] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.779455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.787435] irq event stamp: 0 # [ 69.790869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.804083] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.813253] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.822392] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.835606] ---[ end trace 0d22e6cf039e285c ]--- # [ 69.840763] 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 # [ 69.978873] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 69.990357] lkdtm: attempting bad refcount_dec() from saturated # [ 69.997015] ------------[ cut here ]------------ # [ 70.008374] refcount_t: decrement hit 0; leaking memory. # [ 70.014333] WARNING: CPU: 3 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 70.023768] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.050217] CPU: 3 PID: 2417 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 70.058892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.065701] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 70.071562] Code: 28 dc d1 b1 c6 05 9d 34 94 01 01 e8 7a 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 db d1 b1 c6 05 84 34 94 01 01 e8 60 74 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 70.092549] RSP: 0018:ffffa1b7c2f27e48 EFLAGS: 00010286 # [ 70.098387] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 70.106364] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 70.120555] RBP: ffffffffb1d821cc R08: 0000000000000000 R09: 0000000000000000 # [ 70.128558] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 70.136530] R13: ffffa1b7c2f27f10 R14: ffffa1b7c2f27f10 R15: ffff924ac4e6e000 # [ 70.144503] FS: 00007fbdeb6e4580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 70.153544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.159970] CR2: 00007fbdeb4ed000 CR3: 00000001038ae001 CR4: 00000000003706e0 # [ 70.167973] Call Trace: # [ 70.170706] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 70.176185] direct_entry.cold+0x2c/0x38 # [ 70.180586] full_proxy_write+0x53/0x80 # [ 70.184871] vfs_write+0xe7/0x3a0 # [ 70.188596] ksys_write+0x68/0xf0 # [ 70.192298] do_syscall_64+0x30/0x40 # [ 70.196313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.201956] RIP: 0033:0x7fbdeb5fa8f3 # [ 70.205953] 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 # [ 70.233154] RSP: 002b:00007ffeb3626c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.241613] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbdeb5fa8f3 # [ 70.249585] RDX: 0000000000000017 RSI: 00007fbdeb4ed000 RDI: 0000000000000001 # [ 70.257555] RBP: 00007fbdeb4ed000 R08: 00007fbdeb4ec010 R09: 0000000000000000 # [ 70.265526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.273499] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.281475] irq event stamp: 0 # [ 70.284909] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.298121] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.307259] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.316395] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.323396] ---[ end trace 0d22e6cf039e285d ]--- # [ 70.328552] 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 # [ 70.503048] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 70.515390] lkdtm: attempting bad refcount_dec() from saturated # [ 70.522036] ------------[ cut here ]------------ # [ 70.527226] refcount_t: saturated; leaking memory. # [ 70.532613] WARNING: CPU: 3 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 70.542053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.568507] CPU: 3 PID: 2452 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 70.577158] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.583968] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 70.589805] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 41 35 94 01 00 75 ee 48 c7 c7 78 db d1 b1 c6 05 31 35 94 01 01 e8 0a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 35 94 01 00 75 cb 48 c7 c7 a0 db d1 # [ 70.610791] RSP: 0018:ffffa1b7c2fc7e48 EFLAGS: 00010286 # [ 70.616628] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 70.624600] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 70.632574] RBP: ffffffffb1d821e3 R08: 0000000000000000 R09: 0000000000000000 # [ 70.640546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 70.648518] R13: ffffa1b7c2fc7f10 R14: ffffa1b7c2fc7f10 R15: ffff924ac31ee000 # [ 70.656491] FS: 00007fd4d2655580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 70.665532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.671951] CR2: 00007fd4d245e000 CR3: 0000000106488001 CR4: 00000000003706e0 # [ 70.679924] Call Trace: # [ 70.688865] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 70.694339] direct_entry.cold+0x2c/0x38 # [ 70.698744] full_proxy_write+0x53/0x80 # [ 70.703027] vfs_write+0xe7/0x3a0 # [ 70.706751] ksys_write+0x68/0xf0 # [ 70.710451] do_syscall_64+0x30/0x40 # [ 70.714467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.720110] RIP: 0033:0x7fd4d256b8f3 # [ 70.724102] 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 # [ 70.745087] RSP: 002b:00007fff4146bd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.753546] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd4d256b8f3 # [ 70.761519] RDX: 0000000000000017 RSI: 00007fd4d245e000 RDI: 0000000000000001 # [ 70.769491] RBP: 00007fd4d245e000 R08: 00007fd4d245d010 R09: 0000000000000000 # [ 70.777462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.785436] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.799626] irq event stamp: 0 # [ 70.809245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.822462] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.831630] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.840767] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.847769] ---[ end trace 0d22e6cf039e285e ]--- # [ 70.852950] 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 # [ 71.020374] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 71.034373] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 71.048085] ------------[ cut here ]------------ # [ 71.059447] refcount_t: saturated; leaking memory. # [ 71.071036] WARNING: CPU: 0 PID: 2484 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 71.086676] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.119359] CPU: 0 PID: 2484 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 71.134196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.147234] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 71.159279] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 # [ 71.186535] RSP: 0018:ffffa1b7c303fe38 EFLAGS: 00010282 # [ 71.198534] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 71.212735] RDX: ffff924b3ac2c660 RSI: ffff924b3ac1bf70 RDI: ffff924b3ac1bf70 # [ 71.226913] RBP: ffffffffb1d81e10 R08: 0000000000000000 R09: 0000000000000000 # [ 71.241113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.255341] R13: ffffa1b7c303ff10 R14: ffffa1b7c303ff10 R15: ffff924ac380e000 # [ 71.269527] FS: 00007f3887048580(0000) GS:ffff924b3ac00000(0000) knlGS:0000000000000000 # [ 71.284795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.297410] CR2: 00007f3886e51000 CR3: 00000001038ae003 CR4: 00000000003706f0 # [ 71.311611] Call Trace: # [ 71.320563] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 71.332941] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 71.345489] direct_entry.cold+0x2c/0x38 # [ 71.356085] full_proxy_write+0x53/0x80 # [ 71.366591] vfs_write+0xe7/0x3a0 # [ 71.376525] ksys_write+0x68/0xf0 # [ 71.386441] do_syscall_64+0x30/0x40 # [ 71.396663] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.408537] RIP: 0033:0x7f3886f5e8f3 # [ 71.418746] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.445970] RSP: 002b:00007ffcc2c77728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.460633] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3886f5e8f3 # [ 71.474855] RDX: 0000000000000020 RSI: 00007f3886e51000 RDI: 0000000000000001 # [ 71.489014] RBP: 00007f3886e51000 R08: 00007f3886e50010 R09: 0000000000000000 # [ 71.503203] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.517431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.531645] irq event stamp: 0 # [ 71.541269] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.554477] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.569872] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.585215] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.598462] ---[ end trace 0d22e6cf039e285f ]--- # [ 71.609860] 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 # [ 71.793353] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 71.803580] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 71.811079] ------------[ cut here ]------------ # [ 71.816239] refcount_t: saturated; leaking memory. # [ 71.821599] WARNING: CPU: 2 PID: 2516 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 71.831033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.857496] CPU: 2 PID: 2516 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 71.872358] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.879164] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 71.885000] Code: 01 01 e8 e7 74 95 00 0f 0b c3 cc cc cc cc 80 3d fc 34 94 01 00 75 a8 48 c7 c7 78 db d1 b1 c6 05 ec 34 94 01 01 e8 c4 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 # [ 71.905984] RSP: 0018:ffffa1b7c308fe38 EFLAGS: 00010282 # [ 71.911867] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 71.926062] RDX: ffff924b3ad2c660 RSI: ffff924b3ad1bf70 RDI: ffff924b3ad1bf70 # [ 71.940249] RBP: ffffffffb1d81e30 R08: 0000000000000000 R09: 0000000000000000 # [ 71.948226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.956202] R13: ffffa1b7c308ff10 R14: ffffa1b7c308ff10 R15: ffff924ac4185000 # [ 71.970388] FS: 00007f8b50c62580(0000) GS:ffff924b3ad00000(0000) knlGS:0000000000000000 # [ 71.985650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.998288] CR2: 00007f8b50a6b000 CR3: 0000000103f84004 CR4: 00000000003706e0 # [ 72.011701] Call Trace: # [ 72.014441] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 72.026784] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 72.039323] direct_entry.cold+0x2c/0x38 # [ 72.049921] full_proxy_write+0x53/0x80 # [ 72.060423] vfs_write+0xe7/0x3a0 # [ 72.070340] ksys_write+0x68/0xf0 # [ 72.080259] do_syscall_64+0x30/0x40 # [ 72.090464] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.102324] RIP: 0033:0x7f8b50b788f3 # [ 72.112532] 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 # [ 72.139739] RSP: 002b:00007fff64610848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.154413] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8b50b788f3 # [ 72.168603] RDX: 0000000000000020 RSI: 00007f8b50a6b000 RDI: 0000000000000001 # [ 72.182793] RBP: 00007f8b50a6b000 R08: 00007f8b50a6a010 R09: 0000000000000000 # [ 72.196985] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.211178] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.225374] irq event stamp: 0 # [ 72.234996] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.248217] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.263576] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.278932] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.292149] ---[ end trace 0d22e6cf039e2860 ]--- # [ 72.303523] 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 # [ 72.457102] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 72.466365] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 72.473855] ------------[ cut here ]------------ # [ 72.479015] refcount_t: underflow; use-after-free. # [ 72.484381] WARNING: CPU: 3 PID: 2551 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 72.493818] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.520267] CPU: 3 PID: 2551 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 72.528945] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.541986] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 72.547847] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 72.568837] RSP: 0018:ffffa1b7c3147e40 EFLAGS: 00010286 # [ 72.574701] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 72.582674] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 72.590648] RBP: ffffffffb1d81e50 R08: 0000000000000000 R09: 0000000000000000 # [ 72.598622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.606597] R13: ffffa1b7c3147f10 R14: ffffa1b7c3147f10 R15: ffff924ac4ac9000 # [ 72.614571] FS: 00007f77cc433580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 72.623614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.630058] CR2: 00007f77cc23c000 CR3: 0000000105498004 CR4: 00000000003706e0 # [ 72.638031] Call Trace: # [ 72.640765] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 72.646927] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 72.659456] direct_entry.cold+0x2c/0x38 # [ 72.663863] full_proxy_write+0x53/0x80 # [ 72.674357] vfs_write+0xe7/0x3a0 # [ 72.678090] ksys_write+0x68/0xf0 # [ 72.681794] do_syscall_64+0x30/0x40 # [ 72.685819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.691492] RIP: 0033:0x7f77cc3498f3 # [ 72.695485] 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 # [ 72.716475] RSP: 002b:00007fff25a6b918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.724969] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f77cc3498f3 # [ 72.732969] RDX: 0000000000000020 RSI: 00007f77cc23c000 RDI: 0000000000000001 # [ 72.740953] RBP: 00007f77cc23c000 R08: 00007f77cc23b010 R09: 0000000000000000 # [ 72.748943] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.756925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.771132] irq event stamp: 0 # [ 72.774549] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.787763] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.796906] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.812259] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.825477] ---[ end trace 0d22e6cf039e2861 ]--- # [ 72.830635] 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 # [ 72.970958] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 72.981124] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 72.988632] ------------[ cut here ]------------ # [ 72.993804] refcount_t: underflow; use-after-free. # [ 72.999179] WARNING: CPU: 3 PID: 2586 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 73.008615] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub cros_ec_debugfs cros_ec_lightbar x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.035063] CPU: 3 PID: 2586 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 73.043717] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 73.050526] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 73.056364] Code: 01 01 e8 c4 74 95 00 0f 0b c3 cc cc cc cc 80 3d d6 34 94 01 00 75 85 48 c7 c7 d0 db d1 b1 c6 05 c6 34 94 01 01 e8 a1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d b1 34 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 73.077351] RSP: 0018:ffffa1b7c31b7e40 EFLAGS: 00010286 # [ 73.083189] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 73.097382] RDX: ffff924b3adac660 RSI: ffff924b3ad9bf70 RDI: ffff924b3ad9bf70 # [ 73.105386] RBP: ffffffffb1d81e70 R08: 0000000000000000 R09: 0000000000000000 # [ 73.113360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 73.121332] R13: ffffa1b7c31b7f10 R14: ffffa1b7c31b7f10 R15: ffff924ac4ca8000 # [ 73.129305] FS: 00007fbb31da4580(0000) GS:ffff924b3ad80000(0000) knlGS:0000000000000000 # [ 73.138370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.144800] CR2: 00007fbb31bad000 CR3: 00000001040fe006 CR4: 00000000003706e0 # [ 73.158997] Call Trace: # [ 73.161729] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 73.167890] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 73.174237] direct_entry.cold+0x2c/0x38 # [ 73.178642] full_proxy_write+0x53/0x80 # [ 73.182957] vfs_write+0xe7/0x3a0 # [ 73.192861] ksys_write+0x68/0xf0 # [ 73.196564] do_syscall_64+0x30/0x40 # [ 73.200555] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.206199] RIP: 0033:0x7fbb31cba8f3 # [ 73.210190] 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 # [ 73.231176] RSP: 002b:00007fffa3a5a968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.239636] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbb31cba8f3 # [ 73.247608] RDX: 0000000000000020 RSI: 00007fbb31bad000 RDI: 0000000000000001 # [ 73.255581] RBP: 00007fbb31bad000 R08: 00007fbb31bac010 R09: 0000000000000000 # [ 73.263553] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.271524] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.279500] irq event stamp: 0 # [ 73.282950] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.289955] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.305304] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.314443] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.321444] ---[ end trace 0d22e6cf039e2862 ]--- # [ 73.326600] 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 # [ 73.626741] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 73.637519] lkdtm: attempting good copy_to_user of correct size # [ 73.650356] 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 # [ 73.803343] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 73.813183] lkdtm: attempting good copy_from_user of correct size # [ 73.820003] 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 # [ 73.965362] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 73.977191] lkdtm: attempting good copy_to_user inside whitelist # [ 73.983919] 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 # [ 74.126484] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 74.134814] lkdtm: attempting good copy_from_user inside whitelist # [ 74.141738] 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 # [ 74.295119] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 74.304798] lkdtm: good_stack: ffffa1b7c354fe20-ffffa1b7c354fe40 # [ 74.311537] lkdtm: bad_stack : ffffa1b7c354fda8-ffffa1b7c354fdc8 # [ 74.324481] lkdtm: attempting good copy_to_user of local stack # [ 74.331009] 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 # [ 74.476288] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 74.487828] lkdtm: good_stack: ffffa1b7c35ffe20-ffffa1b7c35ffe40 # [ 74.500753] lkdtm: bad_stack : ffffa1b7c35ffda8-ffffa1b7c35ffdc8 # [ 74.513701] lkdtm: attempting good copy_from_user of local stack # [ 74.526583] 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 # [ 74.672377] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 74.683122] lkdtm: good_stack: ffffa1b7c36a7e20-ffffa1b7c36a7e40 # [ 74.689855] lkdtm: bad_stack : ffffa1b7c36a7ff8-ffffa1b7c36a8018 # [ 74.702785] lkdtm: attempting good copy_to_user of local stack # [ 74.715527] lkdtm: attempting bad copy_to_user of distant stack # [ 74.722153] 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 # [ 74.854786] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 74.864672] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb199b330 # [ 74.873388] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb06e2e40 # [ 74.881774] 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 # [ 75.070688] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 75.080253] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 75.094378] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 75.108340] lkdtm: FAIL: the thread stack is NOT properly erased # [ 75.121251] CPU: 0 PID: 2951 Comm: cat Tainted: G D W 5.10.147-cip17 #1 # [ 75.129902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 75.136704] Call Trace: # [ 75.139435] dump_stack+0x77/0x9b # [ 75.143139] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 75.148300] direct_entry.cold+0x2c/0x38 # [ 75.152679] full_proxy_write+0x53/0x80 # [ 75.156963] vfs_write+0xe7/0x3a0 # [ 75.160665] ksys_write+0x68/0xf0 # [ 75.164364] do_syscall_64+0x30/0x40 # [ 75.168353] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.174001] RIP: 0033:0x7f09f18ab8f3 # [ 75.177997] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.198996] RSP: 002b:00007ffd8fbda6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.207454] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f09f18ab8f3 # [ 75.215425] RDX: 0000000000000012 RSI: 00007f09f179e000 RDI: 0000000000000001 # [ 75.223394] RBP: 00007f09f179e000 R08: 00007f09f179d010 R09: 0000000000000000 # [ 75.231363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.239334] 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 # [ 75.398531] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 75.409176] lkdtm: Calling matched prototype ... # [ 75.420549] lkdtm: Calling mismatched prototype ... # [ 75.432231] 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 / #