[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 40392 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_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked 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 376125 run 167815 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8964 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 8971 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8972 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8976 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8974 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90955 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107744 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 14156 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 14155 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 22362 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 53531 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 11325 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 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 10048 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 10040 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466079 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486213 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=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825960 exit 39222 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114229 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 229 run 139309 exit 21008 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 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2242 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 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 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 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 23766 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 2393 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 24462 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-01-14 01:57:10 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-01-14 01:57:10 UTC ELOG: Event(A6) added with size 13 at 2023-01-14 01:57:10 UTC ELOG: Event(92) added with size 9 at 2023-01-14 01:57:10 UTC ELOG: Event(9A) added with size 9 at 2023-01-14 01:57:10 UTC ELOG: Event(AD) added with size 10 at 2023-01-14 01:57:10 UTC ELOG: Event(9F) added with size 14 at 2023-01-14 01:57:10 UTC BS: BS_DEV_INIT times (us): entry 0 run 417092 exit 66300 ELOG: Event(A1) added with size 10 at 2023-01-14 01:57:10 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-14 01:57:10 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 25555 run 3970 exit 5202 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 11da coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537429 exit 146865 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() Checking segment from ROM address 0xfff23078 CPU physical address size: 39 bits 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 630 run 261844 exit 135662 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 8713719/tftp-deploy-q8g5vsi4/kernel/bzImage 8713719/tftp-deploy-q8g5vsi4/kernel/cmdline 8713719/tftp-deploy-q8g5vsi4/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8713719/tftp-deploy-q8g5vsi4/kernel/bzImaoy-q8g5vsi4/kernel/cmdline 8713719/tftp-deploy-q8g5vsi4/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8713719/tftp-deploy-q8g5vsi4/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################### done. The bootfile was 14306720 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: 8713719/tftp-deploy-q8g5vsi4/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/8713719/extract-nfsrootfs-2yrgfg_a,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: 17874190 Starting kernel ... [ 0.000000] Linux version 5.10.162-cip24 (KernelCI@build-j847893-x86-64-gcc-10-x86-64-defconfig-x86-chromeboof5kqb) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Jan 14 01:45:57 UTC 2023 [ 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/8713719/extract-nfsrootfs-2yrgfg_a,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 [ 0.000053] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001298] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006765] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024387] check: Scanning 1 areas for low memory corruption [ 0.024400] Using GB pages for direct mapping [ 0.024954] RAMDISK: [mem 0x377c2000-0x37ffffff] [ 0.024961] ACPI: Early table checksum verification disabled [ 0.024970] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.024983] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025000] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025017] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025030] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025042] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025054] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025067] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025079] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025092] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025104] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025117] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025130] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025142] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025155] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025160] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025165] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025170] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025175] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025179] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025184] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025189] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025194] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025199] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025204] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025209] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025348] No NUMA configuration found [ 0.025353] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025363] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025409] Zone ranges: [ 0.025414] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025422] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025430] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025437] Movable zone start for each node [ 0.025442] Early memory node ranges [ 0.025447] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025452] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025458] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025464] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025500] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025545] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.036440] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.036509] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.036534] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.036892] ACPI: PM-Timer IO Port: 0x1808 [ 0.036963] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.036976] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.036982] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.036995] Using ACPI (MADT) for SMP configuration information [ 0.037001] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.037009] TSC deadline timer available [ 0.037014] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.037044] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.037050] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.037055] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.037060] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.037064] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.037068] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.037072] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.037076] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.037081] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.037085] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.037089] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.037093] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.037097] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.037101] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.037106] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.037114] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.037122] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.050477] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.050749] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.050827] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.050832] Policy zone: Normal [ 0.050846] 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/8713719/extract-nfsrootfs-2yrgfg_a,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.051354] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.051612] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.051700] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.072631] Memory: 3888344K/4089052K available (18450K kernel code, 3459K rwdata, 7988K rodata, 2016K init, 13316K bss, 200448K reserved, 0K cma-reserved) [ 0.072783] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.072842] Kernel/User page tables isolation: enabled [ 0.072921] ftrace: allocating 52794 entries in 207 pages [ 0.129818] ftrace: allocated 207 pages with 6 groups [ 0.130119] Running RCU self tests [ 0.130136] rcu: Hierarchical RCU implementation. [ 0.130141] rcu: RCU event tracing is enabled. [ 0.130145] rcu: RCU lockdep checking is enabled. [ 0.130150] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.130155] Rude variant of Tasks RCU enabled. [ 0.130160] Tracing variant of Tasks RCU enabled. [ 0.130165] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.130169] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.140151] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.140617] random: crng init done [ 0.140722] Console: colour dummy device 80x25 [ 0.215861] printk: console [ttyS0] enabled [ 0.216229] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.216889] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.217249] ... MAX_LOCK_DEPTH: 48 [ 0.217616] ... MAX_LOCKDEP_KEYS: 8192 [ 0.217998] ... CLASSHASH_SIZE: 4096 [ 0.218379] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.218768] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.219157] ... CHAINHASH_SIZE: 32768 [ 0.219546] memory used by lock dependency info: 6365 kB [ 0.220014] memory used for stack traces: 4224 kB [ 0.220431] per task-struct memory footprint: 1920 bytes [ 0.220956] ACPI: Core revision 20200925 [ 0.221543] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.222044] APIC: Switch to symmetric I/O mode setup [ 0.226585] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.227506] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.228411] pid_max: default: 32768 minimum: 301 [ 0.228487] LSM: Security Framework initializing [ 0.228487] SELinux: Initializing. [ 0.228487] LSM support for eBPF active [ 0.228487] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.228487] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.228487] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.228487] process: using mwait in idle threads [ 0.228487] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.228487] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.228487] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.228487] Spectre V2 : Mitigation: IBRS [ 0.228487] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.228487] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.228487] RETBleed: Mitigation: IBRS [ 0.228487] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.228487] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.228487] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.228487] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.228487] SRBDS: Vulnerable: No microcode [ 0.228487] ------------[ cut here ]------------ [ 0.228487] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.228487] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.228487] Modules linked in: [ 0.228487] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.162-cip24 #1 [ 0.228487] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.228487] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.228487] 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 c0 11 1f 86 c6 05 2a 48 e4 01 01 e8 c6 c5 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.228487] RSP: 0000:ffffffff86403de0 EFLAGS: 00010282 [ 0.228487] RAX: 0000000000000000 RBX: ffffffff86ed12a4 RCX: 0000000000000000 [ 0.228487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8497ab01 [ 0.228487] RBP: ffffffff85ed1220 R08: 0000000000000001 R09: 0000000000000001 [ 0.228487] R10: ffffffff8648fd20 R11: 3fffffffffffffff R12: ffffffff86ee848c [ 0.228487] R13: cccccccccccccccc R14: ffffffff85ed1225 R15: 0000000000000004 [ 0.228487] FS: 0000000000000000(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 0.228487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.228487] CR2: ffff897ebefff000 CR3: 0000000015226001 CR4: 00000000003706f0 [ 0.228487] Call Trace: [ 0.228487] alternative_instructions+0x7d/0x143 [ 0.228487] check_bugs+0xece/0xf2a [ 0.228487] start_kernel+0x517/0x54d [ 0.228487] secondary_startup_64_no_verify+0xc2/0xcb [ 0.228487] irq event stamp: 162553 [ 0.228487] hardirqs last enabled at (162561): [] console_unlock+0x4d1/0x5f0 [ 0.228487] hardirqs last disabled at (162568): [] console_unlock+0x444/0x5f0 [ 0.228487] softirqs last enabled at (1852): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.228487] softirqs last disabled at (1850): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.228487] ---[ end trace 0f84078a4422bd73 ]--- [ 0.228487] Freeing SMP alternatives memory: 44K [ 0.228487] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.229340] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.229506] ... version: 4 [ 0.229864] ... bit width: 48 [ 0.230226] ... generic registers: 4 [ 0.230495] ... value mask: 0000ffffffffffff [ 0.230960] ... max period: 00007fffffffffff [ 0.231424] ... fixed-purpose events: 3 [ 0.231495] ... event mask: 000000070000000f [ 0.232585] rcu: Hierarchical SRCU implementation. [ 0.235262] smp: Bringing up secondary CPUs ... [ 0.236418] x86: Booting SMP configuration: [ 0.236523] .... node #0, CPUs: #1 [ 0.237600] 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. [ 0.238522] 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. [ 0.240320] #2 #3 [ 0.242895] smp: Brought up 1 node, 4 CPUs [ 0.243513] smpboot: Max logical packages: 1 [ 0.243894] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.246925] devtmpfs: initialized [ 0.247915] x86/mm: Memory block size: 128MB [ 0.252968] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.253510] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.254640] pinctrl core: initialized pinctrl subsystem [ 0.255497] PM: RTC time: 01:57:23, date: 2023-01-14 [ 0.256637] NET: Registered protocol family 16 [ 0.257988] audit: initializing netlink subsys (disabled) [ 0.258548] audit: type=2000 audit(1673661443.031:1): state=initialized audit_enabled=0 res=1 [ 0.259514] thermal_sys: Registered thermal governor 'step_wise' [ 0.259521] thermal_sys: Registered thermal governor 'user_space' [ 0.260143] cpuidle: using governor menu [ 0.260912] ACPI: bus type PCI registered [ 0.261935] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.262508] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.263139] PCI: Using configuration type 1 for base access [ 0.292407] Kprobes globally optimized [ 0.292654] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.293509] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.294303] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.297882] ACPI: Added _OSI(Module Device) [ 0.298258] ACPI: Added _OSI(Processor Device) [ 0.298502] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.298919] ACPI: Added _OSI(Processor Aggregator Device) [ 0.299393] ACPI: Added _OSI(Linux-Dell-Video) [ 0.299512] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.299980] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.316130] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.326667] ACPI: EC: EC started [ 0.326983] ACPI: EC: interrupt blocked [ 0.328293] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.328500] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.329139] ACPI: Interpreter enabled [ 0.329554] ACPI: (supports S0 S3 S4 S5) [ 0.329906] ACPI: Using IOAPIC for interrupt routing [ 0.330440] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.353434] ACPI: Power Resource [PRIC] (on) [ 0.489967] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.490509] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.491701] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.492393] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.494360] PCI host bridge to bus 0000:00 [ 0.494503] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.495093] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.495498] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.496146] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.497500] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.498146] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.498497] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.499144] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.499498] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.500145] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.500497] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.501144] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.502499] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.503146] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.503498] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.504145] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.504498] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.505144] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.506499] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.507145] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.507499] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.508102] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.509899] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.510454] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.511517] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.512153] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.513396] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.513528] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.515176] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.515529] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.517032] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.517541] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.518300] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.520581] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.521148] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.522435] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.522549] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.524265] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.525551] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.527291] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.527549] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.528171] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.529613] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.530188] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.532665] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.533422] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.534575] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.535149] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.536635] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.537210] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.538623] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.539190] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.541770] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.542340] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.543587] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.545188] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.545534] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.547147] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.548549] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.549201] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.549624] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.551207] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.551565] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.552231] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.553521] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.554081] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.556200] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.558442] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.562693] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.565725] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.566182] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.568329] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.569888] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.570880] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571875] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.572893] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573906] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.574929] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.575903] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.584217] ACPI: EC: interrupt unblocked [ 0.584495] ACPI: EC: event unblocked [ 0.584842] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.585294] ACPI: EC: GPE=0x6e [ 0.585502] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.586116] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.587557] iommu: Default domain type: Translated [ 0.588730] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.589151] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.589527] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.590031] vgaarb: loaded [ 0.591005] SCSI subsystem initialized [ 0.592638] ACPI: bus type USB registered [ 0.593159] usbcore: registered new interface driver usbfs [ 0.593573] usbcore: registered new interface driver hub [ 0.594091] usbcore: registered new device driver usb [ 0.594660] pps_core: LinuxPPS API ver. 1 registered [ 0.595098] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.595510] PTP clock support registered [ 0.595940] Advanced Linux Sound Architecture Driver Initialized. [ 0.597765] NetLabel: Initializing [ 0.598077] NetLabel: domain hash size = 128 [ 0.598462] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.599595] NetLabel: unlabeled traffic allowed by default [ 0.600196] PCI: Using ACPI for IRQ routing [ 0.608490] clocksource: Switched to clocksource tsc-early [ 1.104733] VFS: Disk quotas dquot_6.6.0 [ 1.105143] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.106222] pnp: PnP ACPI init [ 1.107542] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.108124] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.108721] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.109299] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.109892] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.110470] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.111093] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.111715] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.112291] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.112885] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.114628] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.115644] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.116471] system 00:04: [io 0x0200] has been reserved [ 1.116966] system 00:04: [io 0x0204] has been reserved [ 1.117437] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.117973] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.121421] pnp: PnP ACPI: found 6 devices [ 1.139120] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.140039] NET: Registered protocol family 2 [ 1.140621] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.143108] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.144120] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.145087] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.147825] TCP: Hash tables configured (established 32768 bind 32768) [ 1.148774] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.149754] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.150640] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.151710] NET: Registered protocol family 1 [ 1.152945] RPC: Registered named UNIX socket transport module. [ 1.153516] RPC: Registered udp transport module. [ 1.153934] RPC: Registered tcp transport module. [ 1.154349] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.155599] NET: Registered protocol family 44 [ 1.156016] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.156470] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.157103] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.157656] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.158194] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.158802] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.159397] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.160006] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.160616] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.161218] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.161832] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.162436] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.163050] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.163675] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.164279] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.164896] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.165518] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.166120] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.166735] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.167339] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.167969] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.168584] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.169188] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.170276] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.173533] PCI: CLS 64 bytes, default 64 [ 1.174347] Unpacking initramfs... [ 1.515558] Freeing initrd memory: 8440K [ 1.516067] DMAR: Host address width 39 [ 1.516444] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.517003] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.517846] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.518395] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.518898] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.519706] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.520269] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.521204] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.521913] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.522414] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.522930] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.523402] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.523909] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.526487] kvm: already loaded the other module [ 1.541029] check: Scanning for low memory corruption every 60 seconds [ 1.545389] Initialise system trusted keyrings [ 1.546082] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.570885] NFS: Registering the id_resolver key type [ 1.571376] Key type id_resolver registered [ 1.571800] Key type id_legacy registered [ 1.592705] Key type asymmetric registered [ 1.593102] Asymmetric key parser 'x509' registered [ 1.593615] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.594274] io scheduler mq-deadline registered [ 1.594692] io scheduler kyber registered [ 1.595348] test_firmware: interface ready [ 1.597630] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.599719] ACPI: AC Adapter [AC] (on-line) [ 1.600567] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.602383] ACPI: Lid Switch [LID0] [ 1.603035] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.603984] ACPI: Power Button [PWRF] [ 1.604736] ACPI: \_PR_.CP00: Found 3 idle states [ 1.606128] ACPI: \_PR_.CP01: Found 3 idle states [ 1.607297] ACPI: \_PR_.CP02: Found 3 idle states [ 1.608443] ACPI: \_PR_.CP03: Found 3 idle states [ 1.610098] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.614376] hpet_acpi_add: no address or irqs in _CRS [ 1.615188] Non-volatile memory driver v1.3 [ 1.615862] Linux agpgart interface v0.103 [ 1.616337] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.619697] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.673015] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.674818] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.707634] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.712306] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.734713] loop: module loaded [ 1.736091] lkdtm: No crash points registered, enable through debugfs [ 1.766303] printk: console [ttyS0] disabled [ 1.767625] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.562730] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.569245] printk: console [ttyS0] enabled [ 2.580945] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.605953] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.182745] clocksource: Switched to clocksource tsc [ 5.182852] fbcon: i915drmfb (fb0) is primary device [ 5.185424] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.196418] e100: Intel(R) PRO/100 Network Driver [ 5.196423] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.196533] e1000: Intel(R) PRO/1000 Network Driver [ 5.196537] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.196663] e1000e: Intel(R) PRO/1000 Network Driver [ 5.196666] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.196776] sky2: driver version 1.30 [ 5.197256] usbcore: registered new interface driver r8152 [ 5.197647] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.197851] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.197880] ehci-pci: EHCI PCI platform driver [ 5.197979] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.198008] ohci-pci: OHCI PCI platform driver [ 5.198117] uhci_hcd: USB Universal Host Controller Interface driver [ 5.199848] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.201314] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.202864] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.202938] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.205735] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.205757] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.205765] usb usb1: Product: xHCI Host Controller [ 5.205772] usb usb1: Manufacturer: Linux 5.10.162-cip24 xhci-hcd [ 5.205778] usb usb1: SerialNumber: 0000:00:14.0 [ 5.208028] hub 1-0:1.0: USB hub found [ 5.208249] hub 1-0:1.0: 12 ports detected [ 5.214075] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.214643] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.214658] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.215077] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.215086] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.215091] usb usb2: Product: xHCI Host Controller [ 5.215095] usb usb2: Manufacturer: Linux 5.10.162-cip24 xhci-hcd [ 5.215099] usb usb2: SerialNumber: 0000:00:14.0 [ 5.217026] hub 2-0:1.0: USB hub found [ 5.217162] hub 2-0:1.0: 6 ports detected [ 5.220099] usbcore: registered new interface driver usblp [ 5.220184] usbcore: registered new interface driver usb-storage [ 5.220791] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.220956] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.220959] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.221803] i8042: Warning: Keylock active [ 5.222074] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.224662] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.224818] rtc_cmos 00:02: RTC can wake from S4 [ 5.227248] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.228556] Console: switching to colour frame buffer device 240x67 [ 5.229747] rtc_cmos 00:02: registered as rtc0 [ 5.230037] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.231477] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.231559] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.232904] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.236219] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.236272] intel_pstate: Intel P-state driver initializing [ 5.237275] intel_pstate: HWP enabled [ 5.237330] sdhci: Secure Digital Host Controller Interface driver [ 5.237331] sdhci: Copyright(c) Pierre Ossman [ 5.237369] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.238606] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.238800] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.240460] hid: raw HID events driver (C) Jiri Kosina [ 5.241123] usbcore: registered new interface driver usbhid [ 5.241125] usbhid: USB HID core driver [ 5.241657] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.247279] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.257550] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.460518] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.466718] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.606892] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.610861] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.615140] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.640008] mmc0: new HS400 MMC card at address 0001 [ 5.647654] gre: GRE over IPv4 demultiplexor driver [ 5.656522] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.661114] ip_gre: GRE over IPv4 tunneling driver [ 5.667421] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.673083] IPv4 over IPsec tunneling driver [ 5.684903] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.692714] Initializing XFRM netlink socket [ 5.699278] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.707236] NET: Registered protocol family 10 [ 5.726567] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.733796] Segment Routing with IPv6 [ 5.738022] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.753336] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.756799] ip6_gre: GRE over IPv6 tunneling driver [ 5.761231] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.768224] NET: Registered protocol family 17 [ 5.772637] usb 2-3: Product: USB 10/100/1000 LAN [ 5.774157] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 [ 5.779440] Key type dns_resolver registered [ 5.784041] usb 2-3: Manufacturer: Realtek [ 5.784043] usb 2-3: SerialNumber: 001000001 [ 5.878841] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.885197] microcode: Microcode Update Driver: v2.2. [ 5.885211] IPI shorthand broadcast: enabled [ 5.895747] sched_clock: Marking stable (5808770311, 86918909)->(5990108330, -94419110) [ 5.905045] registered taskstats version 1 [ 5.909674] Loading compiled-in X.509 certificates [ 5.916998] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.926867] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.930541] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.936552] PM: Magic number: 7:565:963 [ 5.947177] memory memory14: hash matches [ 5.951804] printk: console [netcon0] enabled [ 5.956681] netconsole: network logging started [ 6.082606] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.104383] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.113794] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.121840] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.127255] usb 1-9: Manufacturer: Azurewave [ 6.132086] usb 1-9: SerialNumber: 0x0001 [ 6.138166] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.140030] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.191678] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.234850] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.271592] r8152 2-3:1.0 eth0: v1.11.11 [ 6.277109] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.277617] IP-Config: Failed to open gretap0 [ 6.290415] IP-Config: Failed to open erspan0 [ 6.311719] Sending DHCP requests . [ 7.928781] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.941112] r8152 2-3:1.0 eth0: carrier on [ 9.069649] ., OK [ 9.079921] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 [ 9.088916] IP-Config: Complete: [ 9.092551] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 [ 9.104249] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 9.113508] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 9.113511] nameserver0=192.168.201.1 [ 9.126329] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.137815] modprobe (101) used greatest stack depth: 14120 bytes left [ 9.141014] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.152753] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.153619] ALSA device list: [ 9.162461] cfg80211: failed to load regulatory.db [ 9.165752] No soundcards found. [ 9.175330] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.185288] Freeing unused kernel image (initmem) memory: 2016K [ 9.203792] Write protecting the kernel read-only data: 28672k [ 9.211458] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.219076] Freeing unused kernel image (rodata/data gap) memory: 204K [ 9.226430] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 9.248391] systemd-udevd (123) used greatest stack depth: 13528 bytes left [ 9.454684] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.463696] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.496291] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.551860] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.563304] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.573901] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.593783] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.604532] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.634192] udevadm (145) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 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: 192.168.201.18 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.775754] nfsmount (169) 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 [ 10.987944] 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) [ 11.025855] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 11.059876] systemd[1]: Set hostname to . [ 11.220180] systemd-gpt-aut (188) used greatest stack depth: 12656 bytes left [ 11.641593] systemd[1]: Queued start job for default target Graphical Interface. [ 11.652976] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.669224] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.685145] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.702152] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.718058] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.737032] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.758632] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.778904] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.794799] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.805764] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.821840] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.832760] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.844094] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.861749] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.878728] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.895313] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.910693] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.928677] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.944114] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.961717] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.978216] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.996144] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 12.010211] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 12.027787] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 12.049203] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 12.067223] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 12.085246] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 12.101287] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.115577] systemd[1]: Starting Journal Service... Starting Journal Service... [ 12.131255] fuse: init (API version 7.32) [ 12.131883] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 12.149824] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 12.168505] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 12.188213] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 12.203083] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 12.218828] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 12.233819] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 12.249863] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.270526] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.277657] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.294353] systemd[1]: modprobe@drm.service: Succeeded. [ 12.300879] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 12.317356] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.324074] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 12.339376] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 12.354460] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 12.374518] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... [ 12.391258] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 12.410326] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 12.419998] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 12.432063] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... [ 12.448540] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... [ 12.462655] systemd[1]: Starting Create System Users... Starting Create System Users... [ 12.477878] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ 12.568979] systemd-journald[204]: Received client request to flush runtime journal. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Rule-based Manage…for Device Events and Files... [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Volatile Files and Directories... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Started Network Service. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. Starting Network Name Resolution... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.162-cip24 #1 SMP Sat Jan 14 01:45:57 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8713719/extract-nfsrootfs-2yrgfg_a' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8713719/extract-nfsrootfs-2yrgfg_a' / # 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-8713719/environment . /lava-8713719/environment / # /lava-8713719/bin/lava-test-runner /lava-8713719/0 /lava-8713719/bin/lava-test-runner /lava-8713719/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8713719/0/tests/0_timesync-off ++ cat uuid + UUID=8713719_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd [ 17.956422] systemd-timesyn (256) used greatest stack depth: 12608 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8713719/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8713719_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.162-cip24/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8713719/0/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 [ 19.057720] dpkg (357) used greatest stack depth: 12528 bytes left 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. --2023-01-14 01:57:59-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.162-cip24/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: 3529084 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 164KB/s kselftest.tar.xz 6%[> ] 216.08K 379KB/s kselftest.tar.xz 26%[====> ] 896.25K 1.02MB/s kselftest.tar.xz 40%[=======> ] 1.35M 1.27MB/s kselftest.tar.xz 90%[=================> ] 3.05M 2.26MB/s kselftest.tar.xz 100%[===================>] 3.37M 2.48MB/s in 1.4s 2023-01-14 01:58:01 (2.48 MB/s) - 'kselftest.tar.xz' saved [3529084/3529084] 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 ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 46.837125] 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 [ 47.075438] lkdtm: Performing direct entry BUG [ 47.080523] ------------[ cut here ]------------ [ 47.085704] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.091570] invalid opcode: 0000 [#1] SMP PTI [ 47.096443] CPU: 3 PID: 739 Comm: cat Tainted: G W 5.10.162-cip24 #1 [ 47.105002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.111809] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.116193] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 47.137174] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 47.143009] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.150979] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 47.158938] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 47.166906] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.174875] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 47.182846] FS: 00007f4f5915a580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 47.191875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.198291] CR2: 00007f4f58f63000 CR3: 00000001029a2006 CR4: 00000000003706e0 [ 47.206258] Call Trace: [ 47.208987] direct_entry.cold+0x2c/0x38 [ 47.213366] full_proxy_write+0x53/0x80 [ 47.217647] vfs_write+0xe7/0x3a0 [ 47.221343] ksys_write+0x68/0xf0 [ 47.225045] do_syscall_64+0x30/0x40 [ 47.229031] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.234685] RIP: 0033:0x7f4f59070833 [ 47.238682] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.259667] RSP: 002b:00007ffc1ea60a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.268122] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f59070833 [ 47.276090] RDX: 0000000000000004 RSI: 00007f4f58f63000 RDI: 0000000000000001 [ 47.284058] RBP: 00007f4f58f63000 R08: 00007f4f58f62010 R09: 0000000000000000 [ 47.292028] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.299989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.307963] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.334431] ---[ end trace 0f84078a4422bd75 ]--- [ 47.339603] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.343984] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 47.364992] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 47.370852] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.378855] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 47.386858] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 47.394860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.402862] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 47.410866] FS: 00007f4f5915a580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 47.419935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.426385] CR2: 00007f4f58f63000 CR3: 00000001029a2006 CR4: 00000000003706e0 # Segmentation fault # [ 47.075438] lkdtm: Performing direct entry BUG # [ 47.080523] ------------[ cut here ]------------ # [ 47.085704] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.091570] invalid opcode: 0000 [#1] SMP PTI # [ 47.096443] CPU: 3 PID: 739 Comm: cat Tainted: G W 5.10.162-cip24 #1 # [ 47.105002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.111809] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.116193] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 47.137174] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 47.143009] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.150979] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d[ 47.529504] lkdtm: Performing direct entry WARNING 90 # [ 47.158938] RBP: ffffffff8630e908 R08: 0000000000000001[ 47.540164] ------------[ cut here ]------------ R09: 0000000000000001 # [ 47.166906] R10: 00000000ffffe000 R[ 47.551547] WARNING: CPU: 3 PID: 775 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 47.567180] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 11: 3fffffffffffffff R12: 0000000000000004 # [ 47.174875] R13[ 47.593638] CPU: 3 PID: 775 Comm: cat Tainted: G D W 5.10.162-cip24 #1 : ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 47.608402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.182846] FS: 00007f4f5915a580(0000) GS:ffff897ebad80000[ 47.621423] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 47.632521] 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 a0 73 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 81 73 (0000) knlGS:0000000000000000 # [ 47.191875] CS: 0010 DS: 00[ 47.653511] RSP: 0018:ffff8fd9c14cfe60 EFLAGS: 00010202 [ 47.665570] RAX: ffffffff850e32c0 RBX: 0000000000000002 RCX: 0000000000000000 [ 47.673542] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0da0 00 ES: 0000 CR0: 0000000080050033 # [ 47.198291] CR2: 00007f4[ 47.681528] RBP: ffffffff862b3267 R08: 0000000000000000 R09: 0000000000000000 [ 47.695711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 47.703683] R13: ffff8fd9c14cff10 R14: ffff8fd9c14cff10 R15: ffff897e42bae000 [ 47.711657] FS: 00007f00ea3c3580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 47.720697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.727114] CR2: 00007f00ea1cc000 CR3: 0000000103206003 CR4: 00000000003706e0 [ 47.735084] Call Trace: [ 47.737816] direct_entry.cold+0x2c/0x38 [ 47.742230] full_proxy_write+0x53/0x80 f58f63000 CR3: 00000001029a2006 CR4: 00000000003706e0 # [ 47.[ 47.746539] vfs_write+0xe7/0x3a0 [ 47.756449] ksys_write+0x68/0xf0 [ 47.760150] do_syscall_64+0x30/0x40 [ 47.764165] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.769808] RIP: 0033:0x7f00ea2d9833 [ 47.773798] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.794782] RSP: 002b:00007ffc3b2675d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.803240] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f00ea2d9833 [ 47.811212] RDX: 0000000000000008 RSI: 00007f00ea1cc000 RDI: 0000000000000001 [ 47.819185] RBP: 00007f00ea1cc000 R08: 00007f00ea1cb010 R09: 0000000000000000 [ 47.827156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.835128] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.843106] irq event stamp: 0 [ 47.846544] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.853590] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 47.862729] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 47.871867] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.878866] ---[ end trace 0f84078a4422bd76 ]--- 206258] Call Trace: # [ 47.208987] direct_entry.cold+0x2c/0x38 # [ 47.213366] full_proxy_write+0x53/0x80 # [ 47.217647] vfs_write+0xe7/0x3a0 # [ 47.221343] ksys_write+0x68/0xf0 # [ 47.225045] do_syscall_64+0x30/0x40 # [ 47.229031] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.234685] RIP: 0033:0x7f4f59070833 # [ 47.238682] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.259667] RSP: 002b:00007ffc1ea60a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.268122] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4f59070833 # [ 47.276090] RDX: 0000000000000004 RSI: 00007f4f58f63000 RDI: 0000000000000001 # [ 47.284058] RBP: 00007f4f58f63000 R08: 00007f4f58f62010 R09: 0000000000000000 # [ 47.292028] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.299989] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.307963] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 47.992717] lkdtm: Performing direct entry WARNING_MESSAGE [ 48.002018] ------------[ cut here ]------------ [ 48.007183] Warning message trigger count: 2 [ 48.012000] WARNING: CPU: 2 PID: 810 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 48.022210] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.054862] CPU: 2 PID: 810 Comm: cat Tainted: G D W 5.10.162-cip24 #1 sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_s[ 48.063415] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.076433] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 48.082076] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 73 92 02 48 c7 c7 c8 37 2b 86 8d 70 01 89 35 71 73 92 02 e8 0b 25 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 48.103065] RSP: 0018:ffff8fd9c154fe60 EFLAGS: 00010286 [ 48.108902] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 48.116875] RDX: ffff897ebad2c660 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 [ 48.124847] RBP: ffffffff862b326f R08: 0000000000000000 R09: 0000000000000000 [ 48.132820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 48.140791] R13: ffff8fd9c154ff10 R14: ffff8fd9c154ff10 R15: ffff897e44b55000 [ 48.148763] FS: 00007f1264ed4580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 48.157805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 48.164226] CR2: 00007f1264cdd000 CR3: 0000000106446005 CR4: 00000000003706e0 [ 48.178414] Call Trace: [ 48.181145] direct_entry.cold+0x2c/0x38 [ 48.185577] full_proxy_write+0x53/0x80 [ 48.189891] vfs_write+0xe7/0x3a0 [ 48.193621] ksys_write+0x68/0xf0 [ 48.197324] do_syscall_64+0x30/0x40 [ 48.201339] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.206982] RIP: 0033:0x7f1264dea833 [ 48.210996] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.231980] RSP: 002b:00007ffddfcf6148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.240438] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1264dea833 [ 48.248409] RDX: 0000000000000010 RSI: 00007f1264cdd000 RDI: 0000000000000001 [ 48.256382] RBP: 00007f1264cdd000 R08: 00007f1264cdc010 R09: 0000000000000000 [ 48.264354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 47.334431] ---[ end trace 0f84078a4422bd75 ]--- # [ 47.339[ 48.272329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 603] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.343984] Code: 89 ff [ 48.286523] irq event stamp: 0 [ 48.296144] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.303148] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.312284] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.321423] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.328426] ---[ end trace 0f84078a4422bd77 ]--- e8 1e 77 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 a0 73 92 02 # [ 47.364992] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 47.370852] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.378855] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 47.386858] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 47.394860] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.402862] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 47.410866] FS: 00007f4f5915a580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 47.419935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.426385] CR2: 00007f4f58f63000 CR3: 00000001029a2006 C[ 48.419740] lkdtm: Performing direct entry EXCEPTION R4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selft[ 48.426326] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 48.440312] #PF: supervisor write access in kernel mode [ 48.446145] #PF: error_code(0x0002) - not-present page [ 48.451879] PGD 0 P4D 0 [ 48.454703] Oops: 0002 [#2] SMP PTI [ 48.458585] CPU: 1 PID: 842 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 48.467137] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.473933] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 ests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 47.52[ 48.478892] Code: 48 c7 c7 c8 37 2b 86 8d 70 01 89 35 71 73 92 02 e8 0b 25 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 [ 48.506084] RSP: 0018:ffff8fd9c15e7e60 EFLAGS: 00010282 [ 48.511917] RAX: ffffffff850e3310 RBX: 0000000000000004 RCX: 0000000000000000 [ 48.519884] RDX: 0000000000000000 RSI: ffff897ebac9bf70 RDI: ffffffff85ed0dc0 [ 48.527852] RBP: ffffffff861e834f R08: 0000000000000000 R09: 0000000000000000 [ 48.535819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 48.543787] R13: ffff8fd9c15e7f10 R14: ffff8fd9c15e7f10 R15: ffff897e42a0e000 [ 48.551747] FS: 00007f0943bf2580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 [ 48.560782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.567197] CR2: 0000000000000000 CR3: 000000010426e004 CR4: 00000000003706e0 [ 48.575164] Call Trace: [ 48.577893] direct_entry.cold+0x2c/0x38 9504] lkdtm: Performing direct entry WARNING # [ 47.540164] -[ 48.582273] full_proxy_write+0x53/0x80 [ 48.592763] vfs_write+0xe7/0x3a0 [ 48.596460] ksys_write+0x68/0xf0 [ 48.600149] do_syscall_64+0x30/0x40 [ 48.604139] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.609778] RIP: 0033:0x7f0943b08833 [ 48.613766] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.634747] RSP: 002b:00007ffe1e95f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.643192] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0943b08833 [ 48.651159] RDX: 000000000000000a RSI: 00007f09439fb000 RDI: 0000000000000001 [ 48.659126] RBP: 00007f09439fb000 R08: 00007f09439fa010 R09: 0000000000000000 [ 48.667094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.675062] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 -----------[ cut here ]------------ # [ 47.551547] WARNING: C[ 48.683034] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.715663] CR2: 0000000000000000 [ 48.719359] ---[ end trace 0f84078a4422bd78 ]--- [ 48.724523] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.728899] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 48.749878] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 48.755709] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.763676] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 48.771645] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 48.779614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.787581] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 48.795568] FS: 00007f0943bf2580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 [ 48.804603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.811020] CR2: 0000000000000000 CR3: 000000010426e004 CR4: 00000000003706e0 [ 48.818989] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 48.828892] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 842, name: cat [ 48.837250] INFO: lockdep is turned off. [ 48.841627] irq event stamp: 0 [ 48.845032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.852025] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.861160] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.870294] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.877293] CPU: 1 PID: 842 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 48.885834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.892636] Call Trace: [ 48.895363] dump_stack+0x77/0x9b PU: 3 PID: 775 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x1[ 48.899064] ___might_sleep.cold+0xa6/0xb6 [ 48.909846] exit_signals+0x1c/0x2e0 [ 48.913835] do_exit+0xc2/0xaf0 [ 48.917338] ? ksys_write+0x68/0xf0 [ 48.921221] rewind_stack_do_exit+0x17/0x20 3/0x20 # [ 47.567180] Modules linked in: fuse ip_tables cros_[ 48.925891] RIP: 0033:0x7f0943b08833 [ 48.936092] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.957073] RSP: 002b:00007ffe1e95f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.965528] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0943b08833 [ 48.973521] RDX: 000000000000000a RSI: 00007f09439fb000 RDI: 0000000000000001 [ 48.981490] RBP: 00007f09439fb000 R08: 00007f09439fa010 R09: 0000000000000000 [ 48.989458] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.997427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.593638] CPU: 3 PID: 775 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 47.608402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.621423] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 47.632521] 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 a0 73 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 81 73 # [ 47.653511] RSP: 0018:ffff8fd9c14cfe60 EFLAGS: 00010202 # [ 47.665570] RAX: ffffffff850e32c0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 47.673542] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0da0 # [ 47.681528] RBP: ffffffff862b3267 R08: 0000000000000000 R09: 0000000000000000 # [ 47.695711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 47.703683] R13: ffff8fd9c14cff10 R14: ffff8fd9c14cff10 R15: ffff897e42bae000 # [ 47.711657] FS: 00007f00ea3c3580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 47.720697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.727114] CR2: 00007f00ea1cc000 CR3: 0000000103206003 CR4: 00000000003706e0 # [ 47.735084] Call Trace: # [ 47.737816] direct_entry.cold+0x2c/0x38 # [ 47.742230] full_proxy_write+0x53/0x80 # [ 47.746539] vfs_write+0xe7/0x3a0 # [ 47.756449] ksys_write+0x68/0xf0 # [ 47.760150] do_syscall_64+0x30/0x40 # [ 47.764165] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.769808] RIP: 0033:0x7f00ea2d9833 # [ 47.773798] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.794782] RSP: 002b:00007ffc3b2675d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.803240] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f00ea2d9833 # [ 47.811212] RDX: 0000000000000008 RSI: 00007f00ea1cc000 RDI: 0000000000000001 # [ 47.819185] RBP: 00007f00ea1cc000 R08: 00007f00ea1cb010 R09: 0000000000000000 # [ 47.827156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.835128] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.843106] irq event stamp: 0 # [ 47.846544] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.853590] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.862729] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.871867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.878866] ---[ end trace 0f84078a4422bd76 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 47.992717] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.002018] ------------[ cut here ]------------ # [ 48.007183] Warning message trigger count: 2 # [ 48.012000] WARNING: CPU: 2 PID[ 49.315653] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 49.322364] lkdtm: attempting good list addition [ 49.327524] lkdtm: attempting corrupted list addition : 810 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20[ 49.333171] lkdtm: list_add() corruption not detected! /0x30 # [ 48.022210] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.054862] CPU: 2 PID: 810 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 48.063415] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.076433] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.082076] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 73 92 02 48 c7 c7 c8 37 2b 86 8d 70 01 89 35 71 73 92 02 e8 0b 25 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 48.103065] RSP: 0018:ffff8fd9c154fe60 EFLAGS: 00010286 # [ 48.108902] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.116875] RDX: ffff897[ 49.431657] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 49.438392] lkdtm: attempting good list removal [ 49.443459] lkdtm: attempting corrupted list removal [ 49.449005] lkdtm: list_del() corruption not detected! ebad2c660 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 # [ 48.124847] RBP: ffffffff862b326f R08: 0000000000000000 R09: 0000000000000000 # [ 48.132820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 48.140791] R13: ffff8fd9c154ff10 R14: ffff8fd9c154ff10 R15: ffff897e44b55000 # [ 48.148763] FS: 00007f1264ed4580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 48.157805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.164226] CR2: 00007f1264cdd000 CR3: 0000000106446005 CR4: 00000000003706e0 # [ 48.178414] Call Trace: # [ 48.181145] direct_entry.cold+0x2c/0x38 # [ 48.185577] full_proxy_write+0x53/0x80 # [ 48.189891] vfs_write+0xe7/0x3a0 # [ 48.193621] ksys_write+0x68/0xf0 # [ 48.197324] do_syscall_64+0x30/0x40 # [ 48.201339] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.206982] RIP: 0033:0x7f1264dea833 # [ 48.210996] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 4[ 49.543599] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 49.555015] lkdtm: attempting bad read from page below current stack [ 49.562148] BUG: stack guard page was hit at 000000009c4ae292 (stack is 0000000009e00ad4..00000000108b1e61) [ 49.573063] kernel stack overflow (page fault): 0000 [#3] SMP PTI 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0[ 49.579868] CPU: 3 PID: 1067 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 49.594727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.601536] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 49.608047] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 68 3b 2b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7e 9d fd ff 48 c7 c7 a8 3b 2b 86 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 64 9d fd ff 0f 1f 44 [ 49.629025] RSP: 0018:ffff8fd9c1977e50 EFLAGS: 00010246 [ 49.634849] RAX: 0000000000000038 RBX: ffff8fd9c1974000 RCX: 0000000000000000 [ 49.642816] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff862b3ba8 [ 49.650784] RBP: ffffffff862b32d2 R08: 0000000000000000 R09: 0000000000000000 [ 49.658750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 49.666716] R13: ffff8fd9c1977f10 R14: ffff8fd9c1977f10 R15: ffff897e44dda000 [ 49.674684] FS: 00007f0fdfed3580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 49.683719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.690134] CR2: ffff8fd9c1973fff CR3: 0000000105578006 CR4: 00000000003706e0 [ 49.698101] Call Trace: [ 49.700827] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 49.705874] direct_entry.cold+0x2c/0x38 [ 49.710243] full_proxy_write+0x53/0x80 [ 49.714525] vfs_write+0xe7/0x3a0 [ 49.718223] ksys_write+0x68/0xf0 [ 49.721922] do_syscall_64+0x30/0x40 [ 49.725909] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.731549] RIP: 0033:0x7f0fdfde9833 [ 49.735528] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.756527] RSP: 002b:00007fff9281b838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.764980] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0fdfde9833 [ 49.772949] RDX: 0000000000000019 RSI: 00007f0fdfcdc000 RDI: 0000000000000001 [ 49.780915] RBP: 00007f0fdfcdc000 R08: 00007f0fdfcdb010 R09: 0000000000000000 [ 49.788882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.796850] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.804820] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 49.831275] ---[ end trace 0f84078a4422bd79 ]--- [ 49.842638] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.847014] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 49.867981] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 49.873813] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.881780] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 49.889746] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 49.897714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.905682] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 49.913649] FS: 00007f0fdfed3580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 49.922684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.929099] CR2: ffff8fd9c1973fff CR3: 0000000105578006 CR4: 00000000003706e0 [ 49.937067] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.946977] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1067, name: cat [ 49.955430] INFO: lockdep is turned off. [ 49.959806] irq event stamp: 0 [ 49.963208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.970206] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.979338] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.988472] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.995468] CPU: 3 PID: 1067 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 50.004116] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.010918] Call Trace: [ 50.013646] dump_stack+0x77/0x9b [ 50.017344] ___might_sleep.cold+0xa6/0xb6 [ 50.021915] exit_signals+0x1c/0x2e0 [ 50.025892] do_exit+0xc2/0xaf0 [ 50.029395] ? ksys_write+0x68/0xf0 [ 50.033287] rewind_stack_do_exit+0x17/0x20 [ 50.037953] RIP: 0033:0x7f0fdfde9833 [ 50.041940] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.062918] RSP: 002b:00007fff9281b838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.071368] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0fdfde9833 [ 50.079336] RDX: 0000000000000019 RSI: 00007f0fdfcdc000 RDI: 0000000000000001 [ 50.087302] RBP: 00007f0fdfcdc000 R08: 00007f0fdfcdb010 R09: 0000000000000000 [ 50.095270] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.103236] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 00 48 83 ec 28 48 89 54 24 18 # [ 48.231980] RSP: 002b:00007ffddfcf6148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.240438] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1264dea833 # [ 48.248409] RDX: 0000000000000010 RSI: 00007f1264cdd000 RDI: 0000000000000001 # [ 48.256382] RBP: 00007f1264cdd000 R08: 00007f1264cdc010 R09: 0000000000000000 # [ 48.264354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.272329] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.286523] irq event stamp: 0 # [ 48.296144] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.303148] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.312284] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.321423] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.328426] ---[ end trace 0f84078a4422bd77 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4[ 50.206547] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 50.217774] lkdtm: attempting bad read from page above current stack [ 50.224895] BUG: stack guard page was hit at 00000000564b8536 (stack is 00000000602d31b4..0000000093c442b2) selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEP[ 50.235778] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 50.248794] CPU: 2 PID: 1100 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 50.257446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.264244] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d TION.sh # Killed # [ 48.419740] lkdtm: Performing direct ent[ 50.270854] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 e0 3b 2b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 44 9d fd ff 48 c7 c7 20 3c 2b 86 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 27 9d fd ff [ 50.298045] RSP: 0018:ffff8fd9c19ffe50 EFLAGS: 00010246 [ 50.303878] RAX: 0000000000000038 RBX: ffff8fd9c19fc000 RCX: 0000000000000000 [ 50.311846] RDX: 0000000000000000 RSI: ffff897ebad1bf70 RDI: ffffffff862b3c20 [ 50.319812] RBP: ffffffff862b32eb R08: 0000000000000000 R09: 0000000000000000 [ 50.327779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 50.335746] R13: ffff8fd9c19fff10 R14: ffff8fd9c19fff10 R15: ffff897e44f95000 [ 50.343714] FS: 00007f81e5fa0580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 50.352749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.359163] CR2: ffff8fd9c1a00000 CR3: 0000000106418002 CR4: 00000000003706e0 [ 50.367129] Call Trace: [ 50.369856] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 50.375689] direct_entry.cold+0x2c/0x38 [ 50.380057] full_proxy_write+0x53/0x80 [ 50.384336] vfs_write+0xe7/0x3a0 [ 50.388025] ksys_write+0x68/0xf0 [ 50.391722] do_syscall_64+0x30/0x40 [ 50.395710] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.401347] RIP: 0033:0x7f81e5eb6833 [ 50.405333] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.426312] RSP: 002b:00007ffd5990a3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.434766] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f81e5eb6833 [ 50.442734] RDX: 000000000000001a RSI: 00007f81e5da9000 RDI: 0000000000000001 [ 50.450701] RBP: 00007f81e5da9000 R08: 00007f81e5da8010 R09: 0000000000000000 [ 50.458667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.466635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.474606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ry EXCEPTION # [ 48.426326] BUG: kernel NULL pointer derefere[ 50.501060] ---[ end trace 0f84078a4422bd7a ]--- [ 50.512424] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.516800] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 50.537780] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 50.543612] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.551578] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 50.559543] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 50.567522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.575490] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 50.583457] FS: 00007f81e5fa0580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 50.592494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.598931] CR2: ffff8fd9c1a00000 CR3: 0000000106418002 CR4: 00000000003706e0 nce, address: 0000000000000000 # [ 48.440312] #PF: supervisor write access in kernel mode # [ 48.446145] #PF: error_code(0x0002) - not-present page # [ 48.451879] PGD 0 P4D 0 # [ 48.454703] Oops: 0002 [#2] SMP PTI # [ 48.458585] CPU: 1 PID: 842 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 48.467137] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.473933] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 48.478892] Code: 48 c7 c7 c8 37 2b 86 8d 70 01 89 35 71 73 92 02 e8 0b 25 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 # [ 48.506084] RSP: 0018:ffff8fd9c15e7e60 EFLAGS: 00010282 # [ 48.511917] RAX: ffffffff850e3310 RBX: 0000000000000004 RCX: 0000000000000000 # [ 48.519884] RDX: 0000000000000000 RSI: ffff897ebac9bf70 RDI: ffffffff85ed0dc0 # [ 48.527852] RBP: ffffffff861e834f R08: 0000000000000000 R09: 0000000000000000 # [ 48.535819] R10: 00000000ffffe000 R11: 3ffff[ 50.700302] lkdtm: Performing direct entry UNSET_SMEP [ 50.712021] lkdtm: trying to clear SMEP normally [ 50.717211] ------------[ cut here ]------------ [ 50.722401] pinned CR4 bits changed: 0x100000!? [ 50.727514] WARNING: CPU: 3 PID: 1136 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 fffffffffff R12: 000000000000000a # [ 48.543787] R13: ffff8fd[ 50.737729] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.770361] CPU: 3 PID: 1136 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 50.779042] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.785849] RIP: 0010:native_write_cr4+0x45/0x60 [ 50.791008] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 32 8e e3 01 00 75 f2 48 c7 c7 70 23 1f 86 c6 05 22 8e e3 01 01 e8 a6 0b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 50.811991] RSP: 0018:ffff8fd9c1aa7e48 EFLAGS: 00010286 [ 50.817827] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 50.825799] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 50.833771] RBP: ffffffff862b3305 R08: 0000000000000000 R09: 0000000000000000 [ 50.841743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 50.849715] R13: ffff8fd9c1aa7f10 R14: ffff8fd9c1aa7f10 R15: ffff897e432e0000 [ 50.857686] FS: 00007f68fdeab580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 9c15e7f10 R14: ffff8fd9c15e7f10 R15: ffff897e42a0e000 # [ 48.[ 50.866727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.879360] CR2: 00007f68fdcb4000 CR3: 000000010562c006 CR4: 00000000003706e0 551747] FS: 00007f0943bf2580(0000) GS:ffff897ebac80000(0000) kn[ 50.887331] Call Trace: lGS:0000000000000000 # [ 48.560782] CS: 0010 DS: 0000 ES: 00[ 50.896277] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 50.907376] direct_entry.cold+0x2c/0x38 00 CR0: 0000000080050033 # [ 48.567197] CR2: 0000000000000000[ 50.911765] full_proxy_write+0x53/0x80 [ 50.922257] vfs_write+0xe7/0x3a0 [ 50.925957] ksys_write+0x68/0xf0 [ 50.929657] do_syscall_64+0x30/0x40 [ 50.933648] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.939290] RIP: 0033:0x7f68fddc1833 [ 50.943281] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.964289] RSP: 002b:00007ffd33028258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 CR3: 000000010426e004 CR4: 00000000003706e0 # [ 48.575164] C[ 50.972760] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f68fddc1833 [ 50.986938] RDX: 000000000000000b RSI: 00007f68fdcb4000 RDI: 0000000000000001 [ 50.994907] RBP: 00007f68fdcb4000 R08: 00007f68fdcb3010 R09: 0000000000000000 [ 51.002877] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.010848] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.018823] irq event stamp: 0 all Trace: # [ 48.577893] direct_entry.cold+0x2c/0x38 # [ [ 51.022256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.035464] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.044598] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.053732] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.060730] ---[ end trace 0f84078a4422bd7b ]--- [ 51.065885] lkdtm: ok: SMEP did not get cleared [ 51.070941] lkdtm: trying to clear SMEP with call gadget [ 51.076873] lkdtm: ok: SMEP removal was reverted 48.582273] full_proxy_write+0x53/0x80 # [ 48.592763] vfs_write+0xe7/0x3a0 # [ 48.596460] ksys_write+0x68/0xf0 # [ 48.600149] do_syscall_64+0x30/0x40 # [ 48.604139] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.609778] RIP: 0033:0x7f0943b08833 # [ 48.613766] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.634747] RSP: 002b:00007ffe1e95f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.643192] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0943b08833 # [ 48.651159] RDX: 000000000000000a RSI: 00007f09439fb000 RDI: 0000000000000001 # [ 48.659126] RBP: 00007f09439fb000 R08: 00007f09439fa010 R09: 0000000000000000 # [ 48.667094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.675062] R13: 0000000000000001 R14: 000000[ 51.173900] lkdtm: Performing direct entry DOUBLE_FAULT 0000020000 R15: 0000000000020000 # [ 48.683034] Modules linke[ 51.181135] lkdtm: XFAIL: this test is ia32-only d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.715663] CR2: 0000000000000000 # [ 48.719359] ---[ end trace 0f84078a4422bd78 ]--- # [ 48.724523] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.728899] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 48.749878] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 48.755709] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.763676] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 48.771645] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 48.779614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.787581] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 48.795568] FS: 00007f0943bf2580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 # [ 48.804603] CS: 0010 DS: 0000[ 51.306975] lkdtm: Performing direct entry CORRUPT_PAC [ 51.316357] lkdtm: XFAIL: this test is arm64-only ES: 0000 CR0: 0000000080050033 # [ 48.811020] CR2: 0000000000000000 CR3: 000000010426e004 CR4: 00000000003706e0 # [ 48.818989] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.828892] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 842, name: cat # [ 48.837250] INFO: lockdep is turned off. # [ 48.841627] irq event stamp: 0 # [ 48.845032] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.852025] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.861160] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.870294] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.877293] CPU: 1 PID: 842 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 48.885834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.892636] Call Trace: # [ 48.895363] dump_stack+0x77/0[ 51.409729] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 51.422094] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS x9b # [ 48.899064] ___might_sleep.cold+0xa6/0xb6 # [ 48.909846] exit_signals+0x1c/0x2e0 # [ 48.913835] do_exit+0xc2/0xaf0 # [ 48.917338] ? ksys_write+0x68/0xf0 # [ 48.921221] rewind_stack_do_exit+0x17/0x20 # [ 48.925891] RIP: 0033:0x7f0943b08833 # [ 48.936092] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.957073] RSP: 002b:00007ffe1e95f8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.965528] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0943b08833 # [ 48.973521] RDX: 000000000000000a RSI: 00007f09439fb000 RDI: 0000000000000001 # [ 48.981490] RBP: 00007f09439fb000 R08: 00007f09439fa010 R09: 0000000000000000 # [ 48.989458] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.997427] 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.s[ 51.586654] lkdtm: Performing direct entry READ_AFTER_FREE h # [ 49.315653] lkdtm: Performing direct entry CORRUPT_LIST_[ 51.597465] lkdtm: Value in memory before free: 12345678 ADD # [ 49.322364] lkdtm: attempting good list addition # [ [ 51.609610] lkdtm: Attempting bad read from freed memory 49.327524] lkdtm: attempting corrupted list addition # [ 49[ 51.621754] lkdtm: Memory was not poisoned .333171] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 49.431657] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 49.438392] lkdtm: attempting good list removal # [ 49.443459] lkdtm: attempting corrupted list removal # [ 49.449005] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 49.543599] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 49.555015] lkdtm: attempting bad read from page below current stack # [ 49.562148] BUG: stack guard page was hit at 000000009c4ae292 (stack is 0000000009e00ad4..00000000108b1e61) # [ 49.573063] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.579868] CPU: 3 PID: 1067 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 49.594727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.601536] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 49.608047] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 68 3b 2b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7e 9d fd ff 48 c7 c7 a[ 51.760215] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 51.769770] lkdtm: Value in memory before free: 12345678 [ 51.775713] lkdtm: Attempting to read from freed memory [ 51.781560] lkdtm: Buddy page was not poisoned 8 3b 2b 86 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 64 9d fd ff 0f 1f 44 # [ 49.629025] RSP: 0018:ffff8fd9c1977e50 EFLAGS: 00010246 # [ 49.634849] RAX: 0000000000000038 RBX: ffff8fd9c1974000 RCX: 0000000000000000 # [ 49.642816] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff862b3ba8 # [ 49.650784] RBP: ffffffff862b32d2 R08: 0000000000000000 R09: 0000000000000000 # [ 49.658750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 49.666716] R13: ffff8fd9c1977f10 R14: ffff8fd9c1977f10 R15: ffff897e44dda000 # [ 49.674684] FS: 00007f0fdfed3580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 49.683719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.690134] CR2: ffff8fd9c1973fff CR3: 0000000105578006 CR4: 00000000003706e0 # [ 49.698101] Call Trace: # [ 49.700827] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [[ 51.871069] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 51.879786] lkdtm: Attempting double slab free ... 49.705874] direct_entry.cold+0x2c/0x38 # [ 49.710243] full_proxy_write+0x53/0x80 # [ 49.714525] vfs_write+0xe7/0x3a0 # [ 49.718223] ksys_write+0x68/0xf0 # [ 49.721922] do_syscall_64+0x30/0x40 # [ 49.725909] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.731549] RIP: 0033:0x7f0fdfde9833 # [ 49.735528] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.756527] RSP: 002b:00007fff9281b838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.764980] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0fdfde9833 # [ 49.772949] RDX: 0000000000000019 RSI: 00007f0fdfcdc000 RDI: 0000000000000001 # [ 49.780915] RBP: 00007f0fdfcdc000 R08: 00007f0fdfcdb010 R09: 0000000000000000 # [ 49.788882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.796850] R13: 0000000000000001 R14: 0000000000020000 R15:[ 51.984179] lkdtm: Performing direct entry SLAB_FREE_CROSS 0000000000020000 # [ 49.804820] Modules linked in: fuse ip_t[ 51.990729] lkdtm: Attempting cross-cache slab free ... ables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.831275] ---[ end trace 0f84078a4422bd79 ]--- # [ 49.842638] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.847014] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 49.867981] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 49.873813] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.881780] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 49.889746] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 49.897714] R10: 00000000fff[ 52.089312] lkdtm: Performing direct entry SLAB_FREE_PAGE fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.9056[ 52.095821] lkdtm: Attempting non-Slab slab free ... 82] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 49.913649] FS: 00007f0fdfed3580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 49.922684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.929099] CR2: ffff8fd9c1973fff CR3: 0000000105578006 CR4: 00000000003706e0 # [ 49.937067] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.946977] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1067, name: cat # [ 49.955430] INFO: lockdep is turned off. # [ 49.959806] irq event stamp: 0 # [ 49.963208] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.970206] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.979338] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.988472] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.995468] CPU: 3 PID: 1067 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 50.004116] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.010918] Call Trace: # [ 50.013646] dump_stack+0x77/0x9b # [ 50.017344] ___might_sleep.cold+0xa6/0xb6 # [ 50.021915] exit_signals+0x1c/0x2e0 # [ 50.025892] do_exit+0xc2/0xaf0 # [ 50.029395] ? ksys_write+0x68/0xf0 # [ 50.033287] rewind_stack_do_exit+0x17/0x20 # [ 50.037953] RIP: 0033:0x7f0fdfde9833 # [ 50.041940] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.062918] RSP: 002b:00007fff9281b838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.071368] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0fdfde9833 # [ 50.079336] RDX: 0000000000000019 RSI: 00007f0fdfcdc000 RDI: 0000000000000001 # [ 50.087302] RBP: 00007f0fdfcdc000 R08: 00007f0fdfcdb010 R09: 0000000000000000 # [ 50.095270] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.103236] 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 # [ 50.206547] lkdtm: Performi[ 52.336453] lkdtm: Performing direct entry EXEC_DATA [ 52.343072] lkdtm: attempting ok execution at ffffffff850e3680 [ 52.349601] lkdtm: attempting bad execution at ffffffff87a0a6a0 ng direct entry STACK_GUARD_PAGE_TRAILING # [ 50.217774] lkdt[ 52.356230] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.370794] BUG: unable to handle page fault for address: ffffffff87a0a6a0 [ 52.378471] #PF: supervisor instruction fetch in kernel mode [ 52.384788] #PF: error_code(0x0011) - permissions violation [ 52.391006] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 80000000168000e3 [ 52.398483] Oops: 0011 [#5] SMP PTI [ 52.402373] CPU: 2 PID: 1643 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 52.411021] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.417826] RIP: 0010:data_area+0x0/0x40 [ 52.422202] Code: ff ff 00 19 30 44 7e 89 ff ff 00 18 30 44 7e 89 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 [ 52.443181] RSP: 0018:ffff8fd9c22a7e48 EFLAGS: 00010246 [ 52.449014] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.456980] RDX: 0000000000000000 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 [ 52.464947] RBP: ffffffff87a0a6a0 R08: 0000000000000000 R09: 0000000000000000 [ 52.472913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.480879] R13: ffff8fd9c22a7f10 R14: ffff8fd9c22a7f10 R15: ffff897e44e23000 [ 52.488847] FS: 00007f80c64a5580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 52.497882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.504297] CR2: ffffffff87a0a6a0 CR3: 00000001032e6002 CR4: 00000000003706e0 [ 52.512263] Call Trace: [ 52.514991] ? execute_location+0x45/0x56 [ 52.519465] ? direct_entry.cold+0x2c/0x38 [ 52.524036] ? full_proxy_write+0x53/0x80 [ 52.528523] ? vfs_write+0xe7/0x3a0 [ 52.532413] ? ksys_write+0x68/0xf0 [ 52.536305] ? do_syscall_64+0x30/0x40 [ 52.540486] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.546321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify m: attempting bad read from page above current stack # [ 50.2[ 52.572771] CR2: ffffffff87a0a6a0 [ 52.582676] ---[ end trace 0f84078a4422bd7c ]--- [ 52.587829] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.592196] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 52.613174] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 52.619005] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.626973] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 52.634941] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 52.642908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.650875] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 52.658841] FS: 00007f80c64a5580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 52.667878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.674291] CR2: ffffffff87a0a6a0 CR3: 00000001032e6002 CR4: 00000000003706e0 [ 52.682258] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.692166] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1643, name: cat [ 52.700619] INFO: lockdep is turned off. [ 52.704995] irq event stamp: 0 [ 52.708400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.715389] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.724544] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.733677] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.740673] CPU: 2 PID: 1643 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 52.749320] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.756121] Call Trace: [ 52.758848] dump_stack+0x77/0x9b [ 52.762538] ___might_sleep.cold+0xa6/0xb6 [ 52.767108] exit_signals+0x1c/0x2e0 [ 52.771096] do_exit+0xc2/0xaf0 [ 52.774589] ? ksys_write+0x68/0xf0 [ 52.778482] rewind_stack_do_exit+0x17/0x20 [ 52.783149] RIP: 0033:0x7f80c63bb833 [ 52.787126] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.808102] RSP: 002b:00007fffa37b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.816569] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f80c63bb833 [ 52.824541] RDX: 000000000000000a RSI: 00007f80c62ae000 RDI: 0000000000000001 [ 52.832521] RBP: 00007f80c62ae000 R08: 00007f80c62ad010 R09: 0000000000000000 [ 52.840487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.848455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 24895] BUG: stack guard page was hit at 00000000564b8536 (stack is 00000000602d31b4..0000000093c442b2) # [ 50.235778] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 50.248794] CPU: 2 PID: 1100 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 50.257446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.264244] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 50.270854] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 e0 3b 2b 86 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 44 9d fd ff 48 c7 c7 20 3c 2b 86 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 27 9d fd ff # [ 50.298045] RSP: 0018:ffff8fd9c19ffe50 EFLAGS: 00010246 # [ 50.303878] RAX: 0000000000000038 RBX: ffff8fd9c19fc000 RCX: 0000000000000000 # [ 50.311846] RDX: 0000000000000000 RSI: ffff897ebad1bf70 RDI: ffffffff862b3c20 # [ 50.319812] RBP: ffffffff862b32eb R08: 0000000000000000 R09: 0000000000000000 # [ 50.327779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 50.335746] R13: ffff8fd9c19fff10 R14: ffff8fd9c19fff10 R15: ffff897e44f95000 # [ 50.343714] FS: 00007f81e5fa0580(0000[ 52.963048] lkdtm: Performing direct entry EXEC_STACK ) GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 50.352[ 52.973987] lkdtm: attempting ok execution at ffffffff850e3680 749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50[ 52.986756] lkdtm: attempting bad execution at ffff8fd9c218fe18 .359163] CR2: ffff8fd9c1a00000 CR3: 0000000106418002 CR4: 000000[ 52.999585] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.014104] BUG: unable to handle page fault for address: ffff8fd9c218fe18 [ 53.021781] #PF: supervisor instruction fetch in kernel mode [ 53.028097] #PF: error_code(0x0011) - permissions violation [ 53.034317] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103298067 PTE 8000000104d95063 [ 53.043363] Oops: 0011 [#6] SMP PTI [ 53.047253] CPU: 0 PID: 1679 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 53.055900] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.062705] RIP: 0010:0xffff8fd9c218fe18 [ 53.067082] Code: 00 00 18 fe 18 c2 d9 8f ff ff c1 18 74 85 ff ff ff ff 20 00 00 00 00 00 00 00 2e 34 2b 86 ff ff ff ff f0 19 74 85 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 [ 53.088060] RSP: 0018:ffff8fd9c218fdf8 EFLAGS: 00010246 [ 53.093883] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.101852] RDX: 0000000000000000 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 [ 53.109821] RBP: ffff8fd9c218fe18 R08: 0000000000000000 R09: 0000000000000000 [ 53.117787] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 53.125755] R13: ffff8fd9c218ff10 R14: ffff8fd9c218ff10 R15: ffff897e441e3000 [ 53.133722] FS: 00007f3602383580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 53.142759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.149174] CR2: ffff8fd9c218fe18 CR3: 0000000105426002 CR4: 00000000003706f0 [ 53.157141] Call Trace: [ 53.159869] ? execute_location+0x45/0x56 [ 53.164349] ? lkdtm_EXEC_STACK+0x26/0x44 [ 53.168823] ? direct_entry.cold+0x2c/0x38 [ 53.173400] ? full_proxy_write+0x53/0x80 [ 53.177879] ? vfs_write+0xe7/0x3a0 [ 53.181762] ? ksys_write+0x68/0xf0 [ 53.185645] ? do_syscall_64+0x30/0x40 [ 53.189831] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.195666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.222100] CR2: ffff8fd9c218fe18 [ 53.225788] ---[ end trace 0f84078a4422bd7d ]--- [ 53.230943] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.235324] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 53.256304] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 53.262137] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.270105] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 53.278073] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 53.286031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.293997] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 53.301964] FS: 00007f3602383580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 53.311001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.317415] CR2: ffff8fd9c218fe18 CR3: 0000000105426002 CR4: 00000000003706f0 00003706e0 # [ 50.367129] Call Trace: # [ 50.369856] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 50.375689] direct_entry.cold+0x2c/0x38 # [ 50.380057] full_proxy_write+0x53/0x80 # [ 50.384336] vfs_write+0xe7/0x3a0 # [ 50.388025] ksys_write+0x68/0xf0 # [ 50.391722] do_syscall_64+0x30/0x40 # [ 50.395710] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.401347] RIP: 0033:0x7f81e5eb6833 # [ 50.405333] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.426312] RSP: 002b:00007ffd5990a3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.434766] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f81e5eb6833 # [ 50.442734] RDX: 000000000000001a RSI: 00007f81e5da9000 RDI: 0000000000000001 # [ 50.450701] RBP: 00007f81e5da9000 R08: 00007f81e5da8010 R09: 0000000000000000 # [ 50.458667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.466635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.474606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.501060] ---[ end trace 0f84078a4422bd7a ]--- # [ 50.512424] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.516800] Code: 89 ff e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 [ 53.475658] lkdtm: Performing direct entry EXEC_KMALLOC [ 53.486614] lkdtm: attempting ok execution at ffffffff850e3680 [ 53.493133] lkdtm: attempting bad execution at ffff897e43d13580 [ 53.499801] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1[ 53.508168] BUG: unable to handle page fault for address: ffff897e43d13580 [ 53.522056] #PF: supervisor instruction fetch in kernel mode [ 53.528372] #PF: error_code(0x0011) - permissions violation [ 53.534592] PGD 16a01067 P4D 16a01067 PUD 10084c063 PMD 102917063 PTE 8000000103d13063 [ 53.543435] Oops: 0011 [#7] SMP PTI [ 53.547324] CPU: 3 PID: 1715 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 53.555970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.562772] RIP: 0010:0xffff897e43d13580 [ 53.567148] Code: 00 00 02 00 00 00 00 00 00 00 c0 38 d1 43 7e 89 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 25 90 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.588126] RSP: 0018:ffff8fd9c23cfe38 EFLAGS: 00010246 [ 53.593949] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.601917] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 53.609886] RBP: ffff897e43d13580 R08: 0000000000000000 R09: 0000000000000000 [ 53.617853] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.625819] R13: ffff8fd9c23cff10 R14: ffff8fd9c23cff10 R15: ffff897e42f41000 [ 53.633787] FS: 00007fad3b148580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 53.642823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.649235] CR2: ffff897e43d13580 CR3: 0000000104e12004 CR4: 00000000003706e0 [ 53.657201] Call Trace: [ 53.659928] ? execute_location+0x45/0x56 [ 53.664401] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 53.669068] ? direct_entry.cold+0x2c/0x38 [ 53.673639] ? full_proxy_write+0x53/0x80 [ 53.678113] ? vfs_write+0xe7/0x3a0 [ 53.682003] ? ksys_write+0x68/0xf0 [ 53.685894] ? do_syscall_64+0x30/0x40 [ 53.690066] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.695901] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 53.722352] CR2: ffff897e43d13580 [ 53.732263] ---[ end trace 0f84078a4422bd7e ]--- [ 53.737417] RIP: 0010:lkdtm_BUG+0x5/0x10 05 a0 73 92 02 # [ 50.537780] RSP: 0018:ffff8fd9c1427e60 EFLA[ 53.741793] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 53.768985] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 53.774817] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.782784] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 53.790751] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 53.798719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.806686] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 53.814654] FS: 00007fad3b148580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 53.823689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.830102] CR2: ffff897e43d13580 CR3: 0000000104e12004 CR4: 00000000003706e0 [ 53.838068] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.847978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1715, name: cat [ 53.856430] INFO: lockdep is turned off. [ 53.860803] irq event stamp: 0 [ 53.864207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.871205] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.880338] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.889469] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.896465] CPU: 3 PID: 1715 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 53.905112] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.911913] Call Trace: [ 53.914640] dump_stack+0x77/0x9b [ 53.918339] ___might_sleep.cold+0xa6/0xb6 [ 53.922910] exit_signals+0x1c/0x2e0 [ 53.926897] do_exit+0xc2/0xaf0 [ 53.930391] ? ksys_write+0x68/0xf0 [ 53.934283] rewind_stack_do_exit+0x17/0x20 [ 53.938950] RIP: 0033:0x7fad3b05e833 [ 53.942936] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.963914] RSP: 002b:00007fff73e1f198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.972358] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fad3b05e833 [ 53.980327] RDX: 000000000000000d RSI: 00007fad3af51000 RDI: 0000000000000001 [ 53.988294] RBP: 00007fad3af51000 R08: 00007fad3af50010 R09: 0000000000000000 [ 53.996261] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.004229] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 GS: 00010282 # [ 50.543612] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.551578] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 50.559543] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 50.567522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.575490] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 50.583457] FS: 00007f81e5fa0580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 50.592494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.598931] CR2: ffff8fd9c1a00000 CR3: 0000000106418002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 50.700302] lkdtm: Performing direct entry UNSET_SMEP # [ 50.712021] lkdtm: trying to clear SMEP normally # [ 50.717211] ------------[ cut here ]------------ # [ 50.722401] pinned CR4 bits changed: 0x100000!? # [ 50.727514] WARNING: CPU: 3 PID: 1136 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 54.121933] lkdtm: Performing direct entry EXEC_VMALLOC [ 54.129972] lkdtm: attempting ok execution at ffffffff850e3680 # [ 50.737729] Modules linked in: fuse ip_tables cros_ec_sens[ 54.136499] lkdtm: attempting bad execution at ffff8fd9c0313000 [ 54.149341] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf[ 54.157706] BUG: unable to handle page fault for address: ffff8fd9c0313000 [ 54.171598] #PF: supervisor instruction fetch in kernel mode [ 54.177917] #PF: error_code(0x0011) - permissions violation industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cro[ 54.184138] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100899067 PTE 8000000102999063 [ 54.199394] Oops: 0011 [#8] SMP PTI [ 54.203288] CPU: 2 PID: 1751 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 54.211938] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.218741] RIP: 0010:0xffff8fd9c0313000 [ 54.223120] Code: Unable to access opcode bytes at RIP 0xffff8fd9c0312fd6. [ 54.230798] RSP: 0018:ffff8fd9c2437e38 EFLAGS: 00010246 [ 54.236631] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.244599] RDX: 0000000000000000 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 [ 54.252571] RBP: ffff8fd9c0313000 R08: 0000000000000000 R09: 0000000000000000 [ 54.260538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.268522] R13: ffff8fd9c2437f10 R14: ffff8fd9c2437f10 R15: ffff897e42999000 [ 54.276489] FS: 00007fda0479a580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 54.285526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.291943] CR2: ffff8fd9c0312fd6 CR3: 000000010545e002 CR4: 00000000003706e0 [ 54.299910] Call Trace: [ 54.302639] ? execute_location+0x45/0x56 [ 54.307114] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 54.311781] ? direct_entry.cold+0x2c/0x38 [ 54.316353] ? full_proxy_write+0x53/0x80 [ 54.320827] ? vfs_write+0xe7/0x3a0 [ 54.324717] ? ksys_write+0x68/0xf0 [ 54.328610] ? do_syscall_64+0x30/0x40 [ 54.332791] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.338628] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev [ 54.365079] CR2: ffff8fd9c0313000 [ 54.374989] ---[ end trace 0f84078a4422bd7f ]--- [ 54.380140] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.384521] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 54.405523] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 54.411355] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.419322] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 54.427287] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 54.435255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.443221] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 54.451188] FS: 00007fda0479a580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 54.460223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.466637] CR2: ffff8fd9c0312fd6 CR3: 000000010545e002 CR4: 00000000003706e0 cros_usbpd_notify # [ 50.770361] CPU: 3 PID: 1136 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 50.779042] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.785849] RIP: 0010:native_write_cr4+0x45/0x60 # [ 50.791008] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 32 8e e3 01 00 75 f2 48 c7 c7 70 23 1f 86 c6 05 22 8e e3 01 01 e8 a6 0b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 50.811991] RSP: 0018:ffff8fd9c1aa7e48 EFLAGS: 00010286 # [ 50.817827] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 50.825799] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 50.833771] RBP: ffffffff862b3305 R08: 0000000000000000 R09: 0000000000000000 # [ 50.841743] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.849715] R13: ffff8fd9c1aa7f10 R14: ffff8fd9c1aa7f10 R15: ffff897e432e0000 # [ 50.857686] FS: 00007f68fdeab580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000[ 54.572540] lkdtm: Performing direct entry EXEC_RODATA [ 54.579829] lkdtm: attempting ok execution at ffffffff850e3680 [ 54.586345] lkdtm: attempting bad execution at ffffffff85ed1220 [ 54.592962] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 000000 # [ 50.866727] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 54.601342] BUG: unable to handle page fault for address: ffffffff85ed1220 [ 54.615236] #PF: supervisor instruction fetch in kernel mode [ 54.621554] #PF: error_code(0x0011) - permissions violation [ 54.627775] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 8000000014c000e1 0080050033 # [ 50.879360] CR2: 00007f68fdcb4000 CR3: 00000001[ 54.635265] Oops: 0011 [#9] SMP PTI [ 54.645367] CPU: 3 PID: 1787 Comm: cat Tainted: G D W 5.10.162-cip24 #1 0562c006 CR4: 00000000003706e0 # [ 50.887331] Call Trace: # [ 54.654018] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.667035] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 54.672771] Code: ff ff 60 2e 74 85 ff ff ff ff 7a 36 2b 86 ff ff ff ff a6 15 74 85 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 [ 54.693750] RSP: 0018:ffff8fd9c24cfe48 EFLAGS: 00010246 [ 54.699582] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.707548] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 54.715538] RBP: ffffffff85ed1220 R08: 0000000000000000 R09: 0000000000000000 [ 54.723521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 54.731489] R13: ffff8fd9c24cff10 R14: ffff8fd9c24cff10 R15: ffff897e44ff6000 [ 54.739456] FS: 00007fc807894580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 54.748492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.754905] CR2: ffffffff85ed1220 CR3: 0000000104082001 CR4: 00000000003706e0 [ 54.762873] Call Trace: [ 54.765600] ? execute_location+0x45/0x56 [ 54.770074] ? direct_entry.cold+0x2c/0x38 [ 54.774646] ? full_proxy_write+0x53/0x80 [ 54.779119] ? vfs_write+0xe7/0x3a0 [ 54.783011] ? ksys_write+0x68/0xf0 [ 54.786892] ? do_syscall_64+0x30/0x40 [ 54.791064] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.796899] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.896277] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.90737[ 54.823353] CR2: ffffffff85ed1220 [ 54.833261] ---[ end trace 0f84078a4422bd80 ]--- [ 54.838416] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.842791] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 54.863768] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 54.869600] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.877572] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 54.885539] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 54.893527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.901511] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 6] direct_entry.cold+0x2c/0x38 # [ 50.911765] full_proxy_wr[ 54.909487] FS: 00007fc807894580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 54.924735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.931149] CR2: ffffffff85ed1220 CR3: 0000000104082001 CR4: 00000000003706e0 [ 54.939108] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.949018] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1787, name: cat [ 54.957462] INFO: lockdep is turned off. [ 54.961837] irq event stamp: 0 [ 54.965242] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.972239] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 54.981374] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ite+0x53/0x80 # [ 50.922257] vfs_write+0xe7/0x3a0 # [ 50.[ 54.990507] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.003718] CPU: 3 PID: 1787 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 55.012365] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.019167] Call Trace: [ 55.021895] dump_stack+0x77/0x9b [ 55.025593] ___might_sleep.cold+0xa6/0xb6 [ 55.030164] exit_signals+0x1c/0x2e0 [ 55.034152] do_exit+0xc2/0xaf0 [ 55.037645] ? ksys_write+0x68/0xf0 [ 55.041538] rewind_stack_do_exit+0x17/0x20 [ 55.046203] RIP: 0033:0x7fc8077aa833 [ 55.050189] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.071165] RSP: 002b:00007ffc6038c288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.079620] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc8077aa833 [ 55.087588] RDX: 000000000000000c RSI: 00007fc80769d000 RDI: 0000000000000001 [ 55.095573] RBP: 00007fc80769d000 R08: 00007fc80769c010 R09: 0000000000000000 [ 55.103533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.111491] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 925957] ksys_write+0x68/0xf0 # [ 50.929657] do_syscall_64+0x30/0x40 # [ 50.933648] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.939290] RIP: 0033:0x7f68fddc1833 # [ 50.943281] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.964289] RSP: 002b:00007ffd33028258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.972760] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f68fddc1833 # [ 50.986938] RDX: 000000000000000b RSI: 00007f68fdcb4000 RDI: 0000000000000001 # [ 50.994907] RBP: 00007f68fdcb4000 R08: 00007f68fdcb3010 R09: 0000000000000000 # [ 51.002877] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.010848] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.018823] irq event stamp: 0 # [ 51.022256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.[ 55.217338] lkdtm: Performing direct entry EXEC_USERSPACE [ 55.224996] lkdtm: attempting ok execution at ffffffff850e3680 035464] hardirqs last disabled at (0): [] copy[ 55.231545] lkdtm: attempting bad execution at 00007f40f25bf000 [ 55.244379] unable to execute userspace code (SMEP?) (uid: 0) _process+0x664/0x1cb0 # [ 51.044598] softirqs last enabled a[ 55.250804] BUG: unable to handle page fault for address: 00007f40f25bf000 [ 55.264694] #PF: supervisor instruction fetch in kernel mode [ 55.271013] #PF: error_code(0x0011) - permissions violation t [(0): [] copy_process+0x664/0x1cb0 # [ 51. 55.277235] PGD 8000000102730067 P4D 8000000102730067 PUD 102749067 PMD 1040ce067 PTE 1152fb067 [ 55.293170] Oops: 0011 [#10] SMP PTI [ 55.297160] CPU: 3 PID: 1823 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 55.305809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.312616] RIP: 0010:0x7f40f25bf000 053732] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.316605] Code: Unable to access opcode bytes at RIP 0x7f40f25befd6. [ 55.330107] RSP: 0018:ffff8fd9c255fe50 EFLAGS: 00010246 [ 55.335939] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 55.343907] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 55.351874] RBP: 00007f40f25bf000 R08: 0000000000000000 R09: 0000000000000000 [ 55.359842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 55.367808] R13: ffff8fd9c255ff10 R14: ffff8fd9c255ff10 R15: ffff897e427f1000 [ 55.375775] FS: 00007f40f2590580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 55.384812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.391226] CR2: 00007f40f25bf000 CR3: 0000000104ea8006 CR4: 00000000003706e0 [ 55.399191] Call Trace: [ 55.401921] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 55.407269] ? direct_entry.cold+0x2c/0x38 [ 55.411832] ? full_proxy_write+0x53/0x80 [ 55.416306] ? vfs_write+0xe7/0x3a0 [ 55.420198] ? ksys_write+0x68/0xf0 [ 55.424080] ? do_syscall_64+0x30/0x40 [ 55.428261] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.434097] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.060730] ---[ end trace 0f84078a4422bd7b ]--- # [ 51[ 55.460549] CR2: 00007f40f25bf000 [ 55.470456] ---[ end trace 0f84078a4422bd81 ]--- [ 55.475611] RIP: 0010:lkdtm_BUG+0x5/0x10 .065885] lkdtm: ok: SMEP did not get cleared # [ 51.070941] l[ 55.479988] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 55.507179] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 55.513010] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.520978] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 55.528946] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 55.536913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.544879] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 55.552846] FS: 00007f40f2590580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 55.561880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.568293] CR2: 00007f40f25bf000 CR3: 0000000104ea8006 CR4: 00000000003706e0 kdtm: trying to clear SMEP with call gadget # [ 51.076873] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 51.173900] lkdtm: Performing direct entry DOUBLE_FAULT # [ 51.181135] 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 # [ 51.306975] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.316357] 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 # [ 51.409729] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.422094] 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 # self[ 55.683802] lkdtm: Performing direct entry EXEC_NULL tests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: [ 55.693791] lkdtm: attempting ok execution at ffffffff850e3680 Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_[ 55.706514] lkdtm: attempting bad execution at 0000000000000000 FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 51[ 55.719338] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 55.733287] #PF: supervisor instruction fetch in kernel mode [ 55.739603] #PF: error_code(0x0010) - not-present page [ 55.745339] PGD 0 P4D 0 [ 55.748165] Oops: 0010 [#11] SMP PTI [ 55.752152] CPU: 0 PID: 1859 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 55.760802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.767608] RIP: 0010:0x0 [ 55.770529] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 55.778197] RSP: 0018:ffff8fd9c25e7e48 EFLAGS: 00010246 [ 55.784030] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.791998] RDX: 0000000000000000 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 [ 55.799965] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.807932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.815899] R13: ffff8fd9c25e7f10 R14: ffff8fd9c25e7f10 R15: ffff897e42afb000 [ 55.823866] FS: 00007ff73ee5b580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 55.832901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.839315] CR2: ffffffffffffffd6 CR3: 0000000105406002 CR4: 00000000003706f0 [ 55.847283] Call Trace: [ 55.850011] execute_location+0x45/0x56 [ 55.854297] direct_entry.cold+0x2c/0x38 [ 55.858680] full_proxy_write+0x53/0x80 [ 55.862967] vfs_write+0xe7/0x3a0 [ 55.866665] ksys_write+0x68/0xf0 [ 55.870362] do_syscall_64+0x30/0x40 [ 55.874350] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.879989] RIP: 0033:0x7ff73ed71833 [ 55.883968] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.904947] RSP: 002b:00007fffa7be0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.913400] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff73ed71833 [ 55.921367] RDX: 000000000000000a RSI: 00007ff73ec64000 RDI: 0000000000000001 [ 55.929336] RBP: 00007ff73ec64000 R08: 00007ff73ec63010 R09: 0000000000000000 [ 55.937305] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.945272] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.953241] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.979676] CR2: 0000000000000000 [ 55.983373] ---[ end trace 0f84078a4422bd82 ]--- [ 55.988528] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.992904] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 56.013875] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 56.019707] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.027674] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 56.035643] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 56.043610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.051577] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 56.059545] FS: 00007ff73ee5b580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 56.068600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.075015] CR2: ffffffffffffffd6 CR3: 0000000105406002 CR4: 00000000003706f0 [ 56.082983] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.092893] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1859, name: cat [ 56.101346] INFO: lockdep is turned off. [ 56.105720] irq event stamp: 0 [ 56.109125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.116124] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 56.125258] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 56.134391] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.141389] CPU: 0 PID: 1859 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 56.150036] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.156838] Call Trace: [ 56.159576] dump_stack+0x77/0x9b [ 56.163274] ___might_sleep.cold+0xa6/0xb6 [ 56.167845] exit_signals+0x1c/0x2e0 [ 56.171825] do_exit+0xc2/0xaf0 [ 56.175318] ? ksys_write+0x68/0xf0 [ 56.179210] rewind_stack_do_exit+0x17/0x20 [ 56.183876] RIP: 0033:0x7ff73ed71833 [ 56.187863] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.208843] RSP: 002b:00007fffa7be0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.217297] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff73ed71833 [ 56.225264] RDX: 000000000000000a RSI: 00007ff73ec64000 RDI: 0000000000000001 [ 56.233230] RBP: 00007ff73ec64000 R08: 00007ff73ec63010 R09: 0000000000000000 [ 56.241198] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.249166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .586654] lkdtm: Performing direct entry READ_AFTER_FREE # [ 51.597465] lkdtm: Value in memory before free: 12345678 # [ 51.609610] lkdtm: Attempting bad read from freed memory # [ 51.621754] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 51.760215] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 51.769770] lkdtm: Value in memory before free: 12345678 # [ 51.775713] lkdtm: Attempting to read from freed memory # [ 51.781560] 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 # [ 51.871069] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.879786] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 51.984179] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 51.990729] 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 # [ 52.089312] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.095821] 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 s[ 56.452542] lkdtm: Performing direct entry ACCESS_USERSPACE ystem ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests[ 56.462302] lkdtm: attempting bad read at 00007f796dab4000 : lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system o[ 56.474671] BUG: unable to handle page fault for address: 00007f796dab4000 [ 56.488515] #PF: supervisor read access in kernel mode [ 56.494250] #PF: error_code(0x0001) - permissions violation [ 56.500471] PGD 8000000103248067 P4D 8000000103248067 PUD 1056a5067 PMD 103d64067 PTE 114d8e067 [ 56.510200] Oops: 0001 [#12] SMP PTI [ 56.514188] CPU: 0 PID: 1894 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 56.522827] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.529633] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 56.535859] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 98 43 2b 86 e8 b8 96 fd ff 48 c7 c7 c0 43 2b 86 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 9f 96 fd ff 48 89 ee 48 c7 c7 e8 43 2b [ 56.556839] RSP: 0018:ffff8fd9c263fe48 EFLAGS: 00010246 [ 56.562662] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 56.570630] RDX: 0000000000000000 RSI: ffff897ebac1bf70 RDI: ffffffff862b43c0 [ 56.578599] RBP: 00007f796dab4000 R08: 0000000000000000 R09: 0000000000000000 [ 56.586568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 56.594535] R13: ffff8fd9c263ff10 R14: ffff8fd9c263ff10 R15: ffff897e43539000 [ 56.602504] FS: 00007f796da85580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 56.611539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.617954] CR2: 00007f796dab4000 CR3: 0000000104f9a003 CR4: 00000000003706f0 [ 56.625921] Call Trace: [ 56.628650] direct_entry.cold+0x2c/0x38 [ 56.633034] full_proxy_write+0x53/0x80 [ 56.637321] vfs_write+0xe7/0x3a0 [ 56.641023] ksys_write+0x68/0xf0 [ 56.644722] do_syscall_64+0x30/0x40 [ 56.648715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.654345] RIP: 0033:0x7f796d99b833 [ 56.658332] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.679311] RSP: 002b:00007ffe46129b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.687765] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f796d99b833 [ 56.695732] RDX: 0000000000000011 RSI: 00007f796d88e000 RDI: 0000000000000001 [ 56.703701] RBP: 00007f796d88e000 R08: 00007f796d88d010 R09: 0000000000000000 [ 56.711668] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.719635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.727608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.754044] CR2: 00007f796dab4000 [ 56.757741] ---[ end trace 0f84078a4422bd83 ]--- [ 56.762894] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.767269] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 56.788249] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 56.794071] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.802037] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 56.810006] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 56.817974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.825942] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 56.833911] FS: 00007f796da85580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 56.842946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.849360] CR2: 00007f796dab4000 CR3: 0000000104f9a003 CR4: 00000000003706f0 k 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 52.336453] lkdtm: Performing direct entry EXEC_DATA # [ 52.343072] lkdtm: attempting ok execution at ffffffff850e3680 # [ 52.349601] lkdtm: attempting bad execution at ffffffff87a0a6a0 # [ 52.356230] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.370794] BUG: unable to handle page fault for address: ffffffff87a0a6a0 # [ 52.378471] #PF: supervisor instruction fetch in kernel mode # [ 52.384788] #PF: error_code(0x0011) - permissions violation # [ 52.391006] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 80000000168000e3 # [ 52.398483] Oops: 0011 [#5] SMP PTI # [ 52.402373] CPU: 2 PID: 1643 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 52.411021] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.417826] RIP: 0010:data_area+0x0/0x40 # [ 52.422202] Code: ff ff 00 19 30 44 7e 89 ff ff 00 18 30 44 7e 89 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 # [ 52.443181] RSP: 0018:ffff8fd9c22a7e48 EFLAGS: 00010246 # [ 52.449014] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.456980] RDX: 0000000000000000 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 # [ 52.464947] RBP: ffffffff87a0a6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 52.472913] R10:[ 56.999596] lkdtm: Performing direct entry ACCESS_NULL [ 57.006051] lkdtm: attempting bad read at 0000000000000000 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a #[ 57.012185] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.026163] #PF: supervisor read access in kernel mode [ 57.031896] #PF: error_code(0x0000) - not-present page [ 57.037631] PGD 0 P4D 0 [ 57.040455] Oops: 0000 [#13] SMP PTI [ 57.044443] CPU: 3 PID: 1929 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 57.053092] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.059899] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 57.065149] Code: 5c 96 fd ff be 00 10 00 00 48 89 ef e8 f5 60 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 98 43 2b 86 e8 36 96 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 c0 43 2b 86 48 01 [ 57.086125] RSP: 0018:ffff8fd9c26d7e58 EFLAGS: 00010246 [ 57.091957] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 57.099915] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 57.107883] RBP: ffffffff862b3489 R08: 0000000000000000 R09: 0000000000000000 [ 57.115852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.123818] R13: ffff8fd9c26d7f10 R14: ffff8fd9c26d7f10 R15: ffff897e436d2000 [ 57.131785] FS: 00007f5e42a5b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 57.140820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.147233] CR2: 0000000000000000 CR3: 0000000104f9c003 CR4: 00000000003706e0 [ 57.155200] Call Trace: [ 57.157927] direct_entry.cold+0x2c/0x38 [ 57.162304] full_proxy_write+0x53/0x80 [ 57.166583] vfs_write+0xe7/0x3a0 [ 57.170272] ksys_write+0x68/0xf0 [ 57.173970] do_syscall_64+0x30/0x40 [ 57.177957] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.183595] RIP: 0033:0x7f5e42971833 [ 57.187583] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.208570] RSP: 002b:00007ffea773f418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.217024] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f5e42971833 [ 57.224990] RDX: 000000000000000c RSI: 00007f5e42864000 RDI: 0000000000000001 [ 57.232957] RBP: 00007f5e42864000 R08: 00007f5e42863010 R09: 0000000000000000 [ 57.240926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.248894] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.256867] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.480879] R13: ffff8fd9c22a7f10 R14: ffff8fd9c22a7f10 R15:[ 57.283319] CR2: 0000000000000000 [ 57.293227] ---[ end trace 0f84078a4422bd84 ]--- [ 57.298371] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.302746] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 57.323721] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 57.329551] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.337538] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 57.345520] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 57.353487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.361455] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 57.369423] FS: 00007f5e42a5b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 57.378456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.384869] CR2: 0000000000000000 CR3: 0000000104f9c003 CR4: 00000000003706e0 ffff897e44e23000 # [ 52.488847] FS: 00007f80c64a5580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 52.497882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.504297] CR2: ffffffff87a0a6a0 CR3: 00000001032e6002 CR4: 00000000003706e0 # [ 52.512263] Call Trace: # [ 52.514991] ? execute_location+0x45/0x56 # [ 52.519465] ? direct_entry.cold+0x2c/0x38 # [ 52.524036] ? full_proxy_write+0x53/0x80 # [ 52.528523] ? vfs_write+0xe7/0x3a0 # [ 52.532413] ? ksys_write+0x68/0xf0 # [ 52.536305] ? do_syscall_64+0x30/0x40 # [ 52.540486] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.546321] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.572771] CR2: ffffffff87a0a6a0 # [ 52.582676] ---[ end trace 0f84078a4422bd7c ]--- # [ 52.587829] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.592196] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 52.613174] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 52.619005][ 57.520216] lkdtm: Performing direct entry WRITE_RO RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 00000000000000[ 57.528850] lkdtm: attempting bad rodata write at ffffffff85ed1210 00 # [ 52.626973] RDX: 0000000000000000 RSI: ffff897ebad9bf70[ 57.541993] BUG: unable to handle page fault for address: ffffffff85ed1210 [ 57.555855] #PF: supervisor write access in kernel mode [ 57.561677] #PF: error_code(0x0003) - permissions violation [ 57.567896] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 8000000014c000e1 RDI: ffffffff85ed0d90 # [ 52.634941] RBP: ffffffff8630e908 R[ 57.575384] Oops: 0003 [#14] SMP PTI [ 57.585586] CPU: 1 PID: 1964 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 57.594233] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.601038] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 08: 0000000000000001 R09: 0000000000000001 # [ 52.642908] R10[ 57.605998] Code: 00 48 c7 c7 78 42 2b 86 48 c7 c6 10 12 ed 85 e8 e0 98 fd ff 48 8b 05 1f f9 78 00 ba 34 12 cd ab 48 c7 c7 a8 42 2b 86 48 31 d0 <48> 89 05 09 f9 78 00 e9 be 98 fd ff 0f 1f 44 00 00 48 8b 05 18 da [ 57.633192] RSP: 0018:ffff8fd9c2787e60 EFLAGS: 00010202 [ 57.639023] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 57.646992] RDX: 00000000abcd1234 RSI: ffff897ebac9bf70 RDI: ffffffff862b42a8 [ 57.654949] RBP: ffffffff862b3495 R08: 0000000000000000 R09: 0000000000000000 [ 57.662917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 57.670882] R13: ffff8fd9c2787f10 R14: ffff8fd9c2787f10 R15: ffff897e4655b000 [ 57.678852] FS: 00007f049f73f580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 [ 57.687879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.694294] CR2: ffffffff85ed1210 CR3: 0000000100fd8006 CR4: 00000000003706e0 [ 57.702262] Call Trace: [ 57.704988] direct_entry.cold+0x2c/0x38 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.709367] full_proxy_write+0x53/0x80 [ 57.719857] vfs_write+0xe7/0x3a0 # [ 52.650875] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15[ 57.723570] ksys_write+0x68/0xf0 [ 57.733479] do_syscall_64+0x30/0x40 [ 57.737468] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.743096] RIP: 0033:0x7f049f655833 [ 57.747083] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.768060] RSP: 002b:00007ffc2ab65ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.776520] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f049f655833 [ 57.784489] RDX: 0000000000000009 RSI: 00007f049f548000 RDI: 0000000000000001 [ 57.792455] RBP: 00007f049f548000 R08: 00007f049f547010 R09: 0000000000000000 [ 57.800421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.808389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : ffff897e43dd7000 # [ 52.658841] FS: 00007f80c64a5580(0000)[ 57.816362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.848993] CR2: ffffffff85ed1210 [ 57.852689] ---[ end trace 0f84078a4422bd85 ]--- [ 57.857843] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.862218] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 57.883193] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 57.889026] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.896992] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 57.904960] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 57.912927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.920893] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 57.928861] FS: 00007f049f73f580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 [ 57.937896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.944311] CR2: ffffffff85ed1210 CR3: 0000000100fd8006 CR4: 00000000003706e0 [ 57.952272] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.962173] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1964, name: cat [ 57.970627] INFO: lockdep is turned off. [ 57.975002] irq event stamp: 0 [ 57.978399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.985388] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 57.994526] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 58.003658] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.010656] CPU: 1 PID: 1964 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 58.019304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.026105] Call Trace: [ 58.028832] dump_stack+0x77/0x9b GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 52.6678[ 58.032532] ___might_sleep.cold+0xa6/0xb6 [ 58.043311] exit_signals+0x1c/0x2e0 [ 58.047300] do_exit+0xc2/0xaf0 [ 58.050802] ? ksys_write+0x68/0xf0 [ 58.054695] rewind_stack_do_exit+0x17/0x20 78] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.[ 58.059363] RIP: 0033:0x7f049f655833 [ 58.069569] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.090547] RSP: 002b:00007ffc2ab65ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.099001] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f049f655833 [ 58.106968] RDX: 0000000000000009 RSI: 00007f049f548000 RDI: 0000000000000001 [ 58.114937] RBP: 00007f049f548000 R08: 00007f049f547010 R09: 0000000000000000 [ 58.122902] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.130869] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 674291] CR2: ffffffff87a0a6a0 CR3: 00000001032e6002 CR4: 00000000003706e0 # [ 52.682258] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.692166] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1643, name: cat # [ 52.700619] INFO: lockdep is turned off. # [ 52.704995] irq event stamp: 0 # [ 52.708400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.715389] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.724544] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.733677] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.740673] CPU: 2 PID: 1643 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 52.749320] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.756121] Call Trace: # [ 52.758848] dump_stack+0x77/0x9b # [ 52.762538] ___might_sleep.cold+0xa6/0xb6 # [ 52.767108] exit_signals+0x1c/0x2e0 # [ 52.771096] do_exit+0xc2/0xaf0 # [ 52.774589] ? ksys_write+0x68/0xf0 # [ 52.778482] rewind_stack_do_exit+0x17/0x20 # [ 52.783149] RIP: 0033:0x7f80c63bb833 # [ 52.787126] Code: 8b [ 58.255277] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 58.263469] lkdtm: attempting bad ro_after_init write at ffffffff8632f330 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 58.277289] BUG: unable to handle page fault for address: ffffffff8632f330 [ 58.291136] #PF: supervisor write access in kernel mode [ 58.296960] #PF: error_code(0x0003) - permissions violation [ 58.303181] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 10271e063 PTE 800000001512f061 [ 58.311935] Oops: 0003 [#15] SMP PTI [ 58.315923] CPU: 0 PID: 1999 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 58.324570] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.331376] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 58.337407] Code: 42 2b 86 e9 92 98 fd ff 48 c7 c7 00 43 2b 86 e8 86 98 fd ff 48 8b 05 e5 d9 be 00 ba 34 12 cd ab 48 c7 c7 a8 42 2b 86 48 31 d0 <48> 89 05 cf d9 be 00 e9 64 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 58.358386] RSP: 0018:ffff8fd9c2827e60 EFLAGS: 00010202 [ 58.364219] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 58.372188] RDX: 00000000abcd1234 RSI: ffff897ebac1bf70 RDI: ffffffff862b42a8 [ 58.380148] RBP: ffffffff862b349e R08: 0000000000000000 R09: 0000000000000000 [ 58.388116] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 58.396082] R13: ffff8fd9c2827f10 R14: ffff8fd9c2827f10 R15: ffff897e44255000 [ 58.404049] FS: 00007f7a1a20e580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 58.413084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.419500] CR2: ffffffff8632f330 CR3: 00000001041aa005 CR4: 00000000003706f0 [ 58.427466] Call Trace: [ 58.430194] direct_entry.cold+0x2c/0x38 [ 58.434578] full_proxy_write+0x53/0x80 [ 58.438866] vfs_write+0xe7/0x3a0 [ 58.442568] ksys_write+0x68/0xf0 [ 58.446267] do_syscall_64+0x30/0x40 [ 58.450260] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.455890] RIP: 0033:0x7f7a1a124833 [ 58.459878] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.480854] RSP: 002b:00007ffe8197f268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.489300] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f7a1a124833 [ 58.497267] RDX: 0000000000000014 RSI: 00007f7a1a017000 RDI: 0000000000000001 [ 58.505233] RBP: 00007f7a1a017000 R08: 00007f7a1a016010 R09: 0000000000000000 [ 58.513201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.521167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.529139] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.555575] CR2: ffffffff8632f330 [ 58.559273] ---[ end trace 0f84078a4422bd86 ]--- [ 58.564427] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.568809] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 58.589786] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 58.595617] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.603585] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 58.611553] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 58.619519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.627486] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 58.635454] FS: 00007f7a1a20e580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 [ 58.644488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.650903] CR2: ffffffff8632f330 CR3: 00000001041aa005 CR4: 00000000003706f0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.808102] RSP: 002b:00007fffa37b1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.816569] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f80c63bb833 # [ 52.824541] RDX: 000000000000000a RSI: 00007f80c62ae000 RDI: 0000000000000001 # [ 52.832521] RBP: 00007f80c62ae000 R08: 00007f80c62ad010 R09: 0000000000000000 # [ 52.840487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.848455] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 52.963048] lkdtm: Performing direct entry EXEC_STACK # [ 52.973987] lkdtm: attempting ok execution at ffffffff850e3680 # [ 52.986756] lkdtm: attempting bad execution at ffff8fd9c218fe18 # [ 52.999585] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.014104] BUG: unable to handle page fault for address: ffff8fd9c218fe18 # [ 53.021781] #PF: supervisor instruction fetch in kernel mode # [ 53.028097] #PF: error_code(0x0011) - permissions violation # [ 53.034317] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103298067 PTE 8000000104d95063 # [ 53.043363] Oops: 0011 [#6] SMP PTI # [ 53.047253] CPU: 0 PID: 1679 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 53.055900] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.062705] RIP: 0010:0xffff8fd9c218fe18 # [ 53.067082] Code: 00 00 18 fe 18 c2 d9 8f ff ff c1 18 74 85 ff ff ff ff 20 00 00 00 00 00 00 00 2e 34 2b 86 ff ff ff ff f0 19 74 85 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 # [ 53.088060] RSP: 0018:ffff8fd[ 58.826915] lkdtm: Performing direct entry WRITE_KERN 9c218fdf8 EFLAGS: 00010246 # [ 53.093883] RAX: 00000000000000[ 58.838611] lkdtm: attempting bad 6676971 byte write at ffffffff8574186b 33 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.101852][ 58.852325] BUG: unable to handle page fault for address: ffffffff8574186b [ 58.866192] #PF: supervisor write access in kernel mode [ 58.872017] #PF: error_code(0x0003) - permissions violation R[DX: 0000000000000000 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf 58.878238] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 144000e1 [ 58.891165] Oops: 0003 [#16] SMP PTI [ 58.895145] CPU: 1 PID: 2034 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 58.903794] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.910600] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 70 # [ 53.109821] RBP: ffff8fd9c218fe18 R08: 0000000000000000[ 58.915756] Code: 53 48 c7 c3 6b 18 74 85 49 89 dc 48 89 da 49 81 ec 80 36 0e 85 4c 89 e6 e8 39 98 fd ff 48 89 df 4c 89 e1 48 c7 c6 80 36 0e 85 a4 48 c7 c7 a8 42 2b 86 e8 1e 98 fd ff 5b 41 5c e9 b7 fe ff ff [ 58.942951] RSP: 0018:ffff8fd9c2897e50 EFLAGS: 00010246 [ 58.948776] RAX: 000000000000003c RBX: ffffffff8574186b RCX: 000000000065e1eb [ 58.956744] RDX: 0000000000000000 RSI: ffffffff850e3680 RDI: ffffffff8574186b [ 58.964713] RBP: ffffffff862b34b2 R08: 0000000000000000 R09: 0000000000000000 [ 58.972681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065e1eb [ 58.980648] R13: ffff8fd9c2897f10 R14: ffff8fd9c2897f10 R15: ffff897e4293e000 [ 58.988619] FS: 00007f040e630580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 [ 58.997647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.004062] CR2: ffffffff8574186b CR3: 000000010642c003 CR4: 00000000003706e0 [ 59.012032] Call Trace: [ 59.014760] direct_entry.cold+0x2c/0x38 R09: 0000000000000000 # [ 53.117787] R10: 00000000ffffe000 R[ 59.019141] full_proxy_write+0x53/0x80 [ 59.029632] vfs_write+0xe7/0x3a0 [ 59.033330] ksys_write+0x68/0xf0 [ 59.037028] do_syscall_64+0x30/0x40 [ 59.041018] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.046649] RIP: 0033:0x7f040e546833 [ 59.050637] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.071619] RSP: 002b:00007ffc9aa294f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.080073] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f040e546833 [ 59.088041] RDX: 000000000000000b RSI: 00007f040e439000 RDI: 0000000000000001 [ 59.096008] RBP: 00007f040e439000 R08: 00007f040e438010 R09: 0000000000000000 [ 59.103977] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.111947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 11: 3fffffffffffffff R12: 000000000000000b # [ 53.125755] R13[ 59.119920] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.152578] CR2: ffffffff8574186b [ 59.156273] ---[ end trace 0f84078a4422bd87 ]--- [ 59.161427] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.165803] Code: 89 ff e8 1e 77 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 a0 73 92 02 [ 59.186777] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 [ 59.192611] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.200579] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 [ 59.208547] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 [ 59.216519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.224489] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 [ 59.232449] FS: 00007f040e630580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 [ 59.241487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.247894] CR2: ffffffff8574186b CR3: 000000010642c003 CR4: 00000000003706e0 [ 59.255862] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.265772] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2034, name: cat [ 59.274228] INFO: lockdep is turned off. [ 59.278604] irq event stamp: 0 [ 59.282008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.289007] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 59.298134] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 59.307260] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.314259] CPU: 1 PID: 2034 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 59.322898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.329702] Call Trace: [ 59.332429] dump_stack+0x77/0x9b : ffff8fd9c218ff10 R14: ffff8fd9c218ff10 R15: ffff897e441e3000 [ 59.336130] ___might_sleep.cold+0xa6/0xb6 [ 59.346914] exit_signals+0x1c/0x2e0 [ 59.350901] do_exit+0xc2/0xaf0 [ 59.354404] ? ksys_write+0x68/0xf0 [ 59.358296] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 59.363741] rewind_stack_do_exit+0x17/0x20 [ 59.368409] RIP: 0033:0x7f040e546833 [ 59.372396] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.393377] RSP: 002b:00007ffc9aa294f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.401831] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f040e546833 [ 59.409800] RDX: 000000000000000b RSI: 00007f040e439000 RDI: 0000000000000001 [ 59.417768] RBP: 00007f040e439000 R08: 00007f040e438010 R09: 0000000000000000 [ 59.425737] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.433707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.133722] FS: 00007f3602383580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 53.142759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.149174] CR2: ffff8fd9c218fe18 CR3: 0000000105426002 CR4: 00000000003706f0 # [ 53.157141] Call Trace: # [ 53.159869] ? execute_location+0x45/0x56 # [ 53.164349] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53.168823] ? direct_entry.cold+0x2c/0x38 # [ 53.173400] ? full_proxy_write+0x53/0x80 # [ 53.177879] ? vfs_write+0xe7/0x3a0 # [ 53.181762] ? ksys_write+0x68/0xf0 # [ 53.185645] ? do_syscall_64+0x30/0x40 # [ 53.189831] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.195666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.222100] CR2: ffff8fd9c218fe18 # [ 53.225788] ---[ end trace 0f84078a4422bd7d ]--- # [ 53.230943] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.235324] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 53.256304] RSP: 0018:ffff8fd9c1427e60 EFLAG[ 59.569192] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 59.579035] lkdtm: attempting good refcount_inc() without overflow [ 59.585971] lkdtm: attempting bad refcount_inc() overflow [ 59.592004] ------------[ cut here ]------------ [ 59.597183] refcount_t: saturated; leaking memory. [ 59.602545] WARNING: CPU: 3 PID: 2069 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 59.611997] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify S: 00010282 # [ 53.262137] RAX: ffffffff850e32b0 RBX: 0000000[ 59.638458] CPU: 3 PID: 2069 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 59.653319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.660128] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 59.665963] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 [ 59.686946] RSP: 0018:ffff8fd9c2907e48 EFLAGS: 00010286 [ 59.692781] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 000000001 RCX: 0000000000000000 # [ 53.270105] RDX: 000000000[ 59.700755] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 0000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 53.27[ 59.714943] RBP: ffffffff862b34bd R08: 0000000000000000 R09: 0000000000000000 8073] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 000000000[ 59.729130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000001 # [ 53.286031] R10: 00000000ffffe000 R11: 3ffffffffff[ 59.743313] R13: ffff8fd9c2907f10 R14: ffff8fd9c2907f10 R15: ffff897e44048000 [ 59.757519] FS: 00007ff47849d580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 fffff R12: 0000000000000004 # [ 53.293997] R13: ffff8fd9c1427[ 59.766568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.779196] CR2: 00007ff4782a6000 CR3: 0000000103242006 CR4: 00000000003706e0 [ 59.787165] Call Trace: [ 59.789895] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 59.795302] direct_entry.cold+0x2c/0x38 f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 53.301964[ 59.799693] full_proxy_write+0x53/0x80 [ 59.810180] vfs_write+0xe7/0x3a0 [ 59.813881] ksys_write+0x68/0xf0 [ 59.817581] do_syscall_64+0x30/0x40 [ 59.821572] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.827214] RIP: 0033:0x7ff4783b3833 [ 59.831204] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.852185] RSP: 002b:00007ffea298be08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.860642] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff4783b3833 [ 59.868614] RDX: 0000000000000016 RSI: 00007ff4782a6000 RDI: 0000000000000001 [ 59.876584] RBP: 00007ff4782a6000 R08: 00007ff4782a5010 R09: 0000000000000000 [ 59.884569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.892543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] FS: 00007f3602383580(0000) GS:ffff897ebac00000(0000) knlGS:00[ 59.900532] irq event stamp: 0 [ 59.910148] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.917149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 59.926284] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 59.935419] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.942418] ---[ end trace 0f84078a4422bd88 ]--- [ 59.947574] lkdtm: Overflow detected: saturated 00000000000000 # [ 53.311001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.317415] CR2: ffff8fd9c218fe18 CR3: 0000000105426002 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.475658] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.486614] lkdtm: attempting ok execution at ffffffff850e3680 # [ 53.493133] lkdtm: attempting bad execution at ffff897e43d13580 # [ 53.499801] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.508168] BUG: unable to handle page fault for address: ffff897e43d13580 # [ 53.522056] #PF: supervisor instruction fetch in kernel mode # [ 53.528372] #PF: error_code(0x0011) - permissions violation # [ 53.534592] PGD 16a01067 P4D 16a01067 PUD 10084c063 PMD 102917063 PTE 8000000103d13063 # [ 53.543435] Oops: 0011 [#7] SMP PTI # [ 53.547324] CPU: 3 PID: 1715 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 53.555970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.562772] RIP: 0010:0xffff897e43d13580 # [ 53.5671[ 60.061733] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 48] Code: 00 00 02 00 00 00 00 00 00 00 c0 38 d1 43 7e 89 ff ff [ 60.071275] lkdtm: attempting good refcount_add() without overflow 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 25 90 84 ff f[ 60.084399] lkdtm: attempting bad refcount_add() overflow f ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f [ 60.096650] ------------[ cut here ]------------ 44 00 00 55 # [ 53.588126] RSP: 0018:ffff8fd9c23cfe38 EFLAGS:[ 60.108010] refcount_t: saturated; leaking memory. 00010246 # [ 53.593949] RAX: 0000000000000033 RBX: 000000000[ 60.119647] WARNING: CPU: 0 PID: 2101 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000001 RCX: 0000000000000000 # [ 53.601917] RDX: 00000000000[ 60.135248] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 53.6098[ 60.167916] CPU: 0 PID: 2101 Comm: cat Tainted: G D W 5.10.162-cip24 #1 86] RBP: ffff897e43d13580 R08: 0000000000000000 R09: 00000000000[ 60.182741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000 # [ 53.617853] R10: 00000000ffffe000 R11: 3ffffffffffff[ 60.195759] RIP: 0010:refcount_warn_saturate+0x51/0x110 fff R12: 000000000000000d # [ 53.625819] R13: ffff8fd9c23cff1[ 60.207801] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 0 R14: ffff8fd9c23cff10 R15: ffff897e42f41000 # [ 53.633787] [ 60.235018] RSP: 0018:ffff8fd9c29a7e48 EFLAGS: 00010286 FS: 00007fad3b148580(0000) GS:ffff897ebad80000(0000) knlGS:0000[ 60.247057] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 000000000000 # [ 53.642823] CS: 0010 DS: 0000 ES: 0000 CR0: [ 60.261289] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 0000000080050033 # [ 53.649235] CR2: ffff897e43d13580 CR3: 00[ 60.275443] RBP: ffffffff862b34d3 R08: 0000000000000000 R09: 0000000000000000 00000104e12004 CR4: 00000000003706e0 # [ 53.657201] Call Trac[ 60.289635] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 e: # [ 53.659928] ? execute_location+0x45/0x56 # [ 53.664[ 60.303819] R13: ffff8fd9c29a7f10 R14: ffff8fd9c29a7f10 R15: ffff897e436f3000 401] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 53.669068] ? direct[ 60.318021] FS: 00007fb98218a580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 _entry.cold+0x2c/0x38 # [ 53.673639] ? full_proxy_write+0x53[ 60.333267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x80 # [ 53.678113] ? vfs_write+0xe7/0x3a0 # [ 53.682003[ 60.345913] CR2: 00007fb981f93000 CR3: 0000000104ea8003 CR4: 00000000003706f0 ] ? ksys_write+0x68/0xf0 # [ 53.685894] ? do_syscall_64+0x3[ 60.360093] Call Trace: 0/0x40 # [ 53.690066] ? entry_SYSCALL_64_after_hwframe+0x61/[ 60.369051] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 0xc6 # [ 53.695901] Modules linked in: fuse ip_tables cros_ec[ 60.380613] direct_entry.cold+0x2c/0x38 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif[ 60.391217] full_proxy_write+0x53/0x80 o_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightba[ 60.401710] vfs_write+0xe7/0x3a0 r cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec[ 60.411634] ksys_write+0x68/0xf0 _dev cros_usbpd_notify # [ 53.722352] CR2: ffff897e43d13580 [ 60.421557] do_syscall_64+0x30/0x40 # [ 53.732263] ---[ end trace 0f84078a4422bd7e ]--- # [ 53.[ 60.431768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 737417] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.741793] Code: 89 [ 60.443619] RIP: 0033:0x7fb9820a0833 ff e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f[ 60.453840] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> [ 60.481033] RSP: 002b:00007ffefa519e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 73 92 02 [ 60.495718] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb9820a0833 # [ 53.768985] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 60.509903] RDX: 0000000000000016 RSI: 00007fb981f93000 RDI: 0000000000000001 [ 53.774817] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: [ 60.524099] RBP: 00007fb981f93000 R08: 00007fb981f92010 R09: 0000000000000000 0000000000000000 # [ 53.782784] RDX: 0000000000000000 RSI: ff[ 60.538280] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 53.790751] RBP: ffff[ 60.552480] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ [ 60.566669] irq event stamp: 0 53.798719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 60.576296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000004 # [ 53.806686] R13: ffff8fd9c1427f10 R14: ffff8f[ 60.589525] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 d9c1427f10 R15: ffff897e43dd7000 # [ 53.814654] FS: 00007fad[ 60.604868] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 3b148580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 60.620214] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.823689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 60.633442] ---[ end trace 0f84078a4422bd89 ]--- 033 # [ 53.830102] CR2: ffff897e43d13580 CR3: 0000000104e1200[ 60.644813] lkdtm: Overflow detected: saturated 4 CR4: 00000000003706e0 # [ 53.838068] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.847978] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1715, name: cat # [ 53.856430] INFO: lockdep is turned off. # [ 53.860803] irq event stamp: 0 # [ 53.864207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.871205] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.880338] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.889469] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.896465] CPU: 3 PID: 1715 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 53.905112] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.911913] Call Trace: # [ 53.914640] dump_stack+0x77/0x9b # [ 53.918339] ___might_sleep.cold+0xa6/0xb6 # [ 53.922910] exit_signals+0x1c/0x2e0 # [ 53.926897] do_exit+0xc2/0xaf0 # [ 53.930391] ? ksys_write+0x68/0xf0 # [ 53.934283] rewind_stack_do_exit+0x17/0x20 # [ 53.938950] RIP: 0033:0x7fad3b05e833 # [ 53.942936] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.963914] RSP: 002b:00007fff73e1f198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.972358] RAX: fff[ 60.795592] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 60.806596] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 60.813531] ------------[ cut here ]------------ fffffffffffda RBX: 000000000000000d RCX: 00007fad3b05e833 # [ [ 60.818695] refcount_t: saturated; leaking memory. [ 60.830278] WARNING: CPU: 3 PID: 2133 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 53.980327] RDX: 000000000000000d RSI: 00007fad3af51000 RDI: 000[ 60.839716] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.872350] CPU: 3 PID: 2133 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 60.881025] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.887831] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 60.893667] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 [ 60.914650] RSP: 0018:ffff8fd9c2a17e38 EFLAGS: 00010282 [ 60.920490] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0000000000001 # [ 53.988294] RBP: 00007fad3af51000 R08: 00007[ 60.928494] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 fad3af50010 R09: 0000000000000000 # [ 53.996261] R10: fffffff[ 60.942680] RBP: ffffffff862b3110 R08: 0000000000000000 R09: 0000000000000000 [ 60.956866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.[ 60.964840] R13: ffff8fd9c2a17f10 R14: ffff8fd9c2a17f10 R15: ffff897e4080b000 [ 60.979021] FS: 00007fd9cad29580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 60.988061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.994479] CR2: 00007fd9cab32000 CR3: 0000000102b80005 CR4: 00000000003706e0 [ 61.002452] Call Trace: [ 61.005182] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 61.011342] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.017588] direct_entry.cold+0x2c/0x38 [ 61.021969] full_proxy_write+0x53/0x80 [ 61.026253] vfs_write+0xe7/0x3a0 [ 61.029953] ksys_write+0x68/0xf0 [ 61.033654] do_syscall_64+0x30/0x40 [ 61.037646] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.043287] RIP: 0033:0x7fd9cac3f833 [ 61.047278] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.068261] RSP: 002b:00007ffdffed95c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.076721] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd9cac3f833 [ 61.084692] RDX: 000000000000001f RSI: 00007fd9cab32000 RDI: 0000000000000001 [ 61.092664] RBP: 00007fd9cab32000 R08: 00007fd9cab31010 R09: 0000000000000000 [ 61.100635] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.108605] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.116580] irq event stamp: 0 [ 61.120019] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.127020] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 61.136156] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 61.145292] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.152293] ---[ end trace 0f84078a4422bd8a ]--- [ 61.157448] lkdtm: Overflow detected: saturated 004229] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.121933] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.129972] lkdtm: attempting ok execution at ffffffff850e3680 # [ 54.136499] lkdtm: attempting bad execution at ffff8fd9c0313000 # [ 54.149341] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.157706] BUG: unable to handle page fault for address: ffff8fd9c0313000 # [ 54.171598] #PF: supervisor instruction fetch in kernel mode # [ 54.177917] #PF: error_code(0x0011) - permissions violation # [ 54.184138] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100899067 PTE 8000000102999063 # [ 54.199394] Oops: 0011 [#8] SMP PTI # [ 54.203288] CPU: 2 PID: 1751 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 54.211938] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.218741] RIP: 0010:0xffff8fd9c0313000 # [ 54.223120] Code: Unable to access opcode bytes at RIP 0xffff8fd9c0312fd6. # [ 54.230798] RSP: 0018:ffff8fd9c2437e38 EFLAGS: 00010246 # [ 54.236631] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.244599] RDX: 0000000000000000 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 # [ 54.252571] RBP: ffff8fd9c0313000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.260538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.268522] R13: ffff8fd9c2437f10 R14: ffff8fd9c2437f10 R15: ffff897e42999000 # [ 54.276489] FS: 00007fda0479a580(0000) GS:f[ 61.319340] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 61.331736] lkdtm: attempting bad refcount_add_not_zero() overflow fff897ebad00000(0000) knlGS:0000000000000000 # [ 54.285526] C[ 61.338661] ------------[ cut here ]------------ [ 61.350014] refcount_t: saturated; leaking memory. [ 61.355390] WARNING: CPU: 3 PID: 2165 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.29194[ 61.364827] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.397458] CPU: 3 PID: 2165 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 61.406134] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.412941] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 61.418777] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 [ 61.439759] RSP: 0018:ffff8fd9c2ab7e38 EFLAGS: 00010282 [ 61.445595] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.453576] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 61.461562] RBP: ffffffff862b3130 R08: 0000000000000000 R09: 0000000000000000 [ 61.469572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.477534] R13: ffff8fd9c2ab7f10 R14: ffff8fd9c2ab7f10 R15: ffff897e403e3000 [ 61.485524] FS: 00007fe0b16d1580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 3] CR2: ffff8fd9c0312fd6 CR3: 000000010545e002 CR4: 000000000037[ 61.494566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.507192] CR2: 00007fe0b14da000 CR3: 0000000104ea8006 CR4: 00000000003706e0 [ 61.515161] Call Trace: [ 61.517893] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 61.524052] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.530301] direct_entry.cold+0x2c/0x38 [ 61.534711] full_proxy_write+0x53/0x80 [ 61.539018] vfs_write+0xe7/0x3a0 [ 61.542743] ksys_write+0x68/0xf0 [ 61.546444] do_syscall_64+0x30/0x40 [ 61.550460] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.556100] RIP: 0033:0x7fe0b15e7833 [ 61.560092] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.581073] RSP: 002b:00007ffd87551cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.589531] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe0b15e7833 06e0 # [ 54.299910] Call Trace: # [ 54.302639] ? execute_[ 61.597508] RDX: 000000000000001f RSI: 00007fe0b14da000 RDI: 0000000000000001 location+0x45/0x56 # [ 54.307114] ? lkdtm_EXEC_VMALLOC+0x20/[ 61.611690] RBP: 00007fe0b14da000 R08: 00007fe0b14d9010 R09: 0000000000000000 [ 61.625876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.633848] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.641841] irq event stamp: 0 0x30 # [ 54.311781] ? direct_entry.cold+0x2c/0x38 # [ 54.[ 61.645258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.658467] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 61.667628] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 316353] ? full_proxy_write+0x53/0x80 # [ 54.320827] ? vfs_w[ 61.676780] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.689985] ---[ end trace 0f84078a4422bd8b ]--- [ 61.695138] lkdtm: Overflow detected: saturated rite+0xe7/0x3a0 # [ 54.324717] ? ksys_write+0x68/0xf0 # [ 54.328610] ? do_syscall_64+0x30/0x40 # [ 54.332791] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.338628] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.365079] CR2: ffff8fd9c0313000 # [ 54.374989] ---[ end trace 0f84078a4422bd7f ]--- # [ 54.380140] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.384521] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 54.405523] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 54.411355] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.419322] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 54.427287] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 54.435255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.443221] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000[ 61.819947] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 54.451188] FS: 00007fda0479a580(0000) GS:ffff897ebad000[ 61.830852] lkdtm: attempting good refcount_dec() 00(0000) knlGS:0000000000000000 # [ 54.460223] CS: 0010 DS: [ 61.842348] lkdtm: attempting bad refcount_dec() to zero 0000 ES: 0000 CR0: 0000000080050033 # [ 54.466637] CR2: ffff8[ 61.854518] ------------[ cut here ]------------ fd9c0312fd6 CR3: 000000010545e002 CR4: 00000000003706e0 # EXEC_[ 61.865898] refcount_t: decrement hit 0; leaking memory. VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMA[ 61.878094] WARNING: CPU: 0 PID: 2197 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 LLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 54.[ 61.893700] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 572540] lkdtm: Performing direct entry EXEC_RODATA # [ 54.579[ 61.926358] CPU: 0 PID: 2197 Comm: cat Tainted: G D W 5.10.162-cip24 #1 829] lkdtm: attempting ok execution at ffffffff850e3680 # [ 5[ 61.941255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4.586345] lkdtm: attempting bad execution at ffffffff85ed1220 #[ 61.954253] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 54.592962] kernel tried to execute NX-protected page - expl[ 61.966348] Code: 58 ed 24 86 c6 05 1c f8 93 01 01 e8 ba 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 ed 24 86 c6 05 03 f8 93 01 01 e8 a0 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 oit attempt? (uid: 0) # [ 54.601342] BUG: unable to handle pa[ 61.993526] RSP: 0018:ffff8fd9c2b3fe48 EFLAGS: 00010286 ge fault for address: ffffffff85ed1220 # [ 54.615236] #PF: su[ 62.005595] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 pervisor instruction fetch in kernel mode # [ 54.621554] #PF:[ 62.019758] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 error_code(0x0011) - permissions violation # [ 54.627775] PG[ 62.033974] RBP: ffffffff862b34e9 R08: 0000000000000000 R09: 0000000000000000 D 15229067 P4D 15229067 PUD 1522a063 PMD 8000000014c000e1 # [ [ 62.048140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 54.635265] Oops: 0011 [#9] SMP PTI # [ 54.645367] CPU: 3 PI[ 62.062347] R13: ffff8fd9c2b3ff10 R14: ffff8fd9c2b3ff10 R15: ffff897e432e6000 D: 1787 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 62.076517] FS: 00007f69c2da3580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 54.654018] Hardware name: Google Rammus/Rammus, BIOS 09/[ 62.091792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 04/2020 # [ 54.667035] RIP: 0010:lkdtm_rodata_do_nothing+0x0/[ 62.104404] CR2: 00007f69c2bac000 CR3: 00000001056c8002 CR4: 00000000003706f0 0x10 # [ 54.672771] Code: ff ff 60 2e 74 85 ff ff ff ff 7a 36[ 62.118617] Call Trace: 2b 86 ff ff ff ff a6 15 74 85 ff ff ff ff 55 aa 55 aa 00 00 00 [ 62.127547] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 62.138749] direct_entry.cold+0x2c/0x38 00 00 00 00 54 68 69 73 20 69 # [ 54.693750] RSP: 0018:ffff8[ 62.149326] full_proxy_write+0x53/0x80 fd9c24cfe48 EFLAGS: 00010246 # [ 54.699582] RAX: 000000000000[ 62.159848] vfs_write+0xe7/0x3a0 0033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.70754[ 62.169742] ksys_write+0x68/0xf0 8] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9[ 62.179678] do_syscall_64+0x30/0x40 bf70 # [ 54.715538] RBP: ffffffff85ed1220 R08: 00000000000000[ 62.189871] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 R09: 0000000000000000 # [ 54.723521] R10: 00000000ffffe000[ 62.201755] RIP: 0033:0x7f69c2cb9833 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.731489] R[ 62.211942] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 13: ffff8fd9c24cff10 R14: ffff8fd9c24cff10 R15: ffff897e44ff6000[ 62.239172] RSP: 002b:00007ffe77a4d948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.739456] FS: 00007fc807894580(0000) GS:ffff897ebad800[ 62.253822] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f69c2cb9833 00(0000) knlGS:0000000000000000 # [ 54.748492] CS: 0010 DS: [ 62.268024] RDX: 0000000000000012 RSI: 00007f69c2bac000 RDI: 0000000000000001 0000 ES: 0000 CR0: 0000000080050033 # [ 54.754905] CR2: fffff[ 62.282188] RBP: 00007f69c2bac000 R08: 00007f69c2bab010 R09: 0000000000000000 fff85ed1220 CR3: 0000000104082001 CR4: 00000000003706e0 # [ 5[ 62.296380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4.762873] Call Trace: # [ 54.765600] ? execute_location+0x45[ 62.310574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 /0x56 # [ 54.770074] ? direct_entry.cold+0x2c/0x38 # [ 54[ 62.324784] irq event stamp: 0 .774646] ? full_proxy_write+0x53/0x80 # [ 54.779119] ? vfs_[ 62.334414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 write+0xe7/0x3a0 # [ 54.783011] ? ksys_write+0x68/0xf0 # [ [ 62.347637] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 54.786892] ? do_syscall_64+0x30/0x40 # [ 54.791064] ? ent[ 62.362994] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.796899] Modules [ 62.378338] softirqs last disabled at (0): [<0000000000000000>] 0x0 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core i[ 62.391552] ---[ end trace 0f84078a4422bd8c ]--- ndustrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysf[ 62.402936] lkdtm: Zero detected: saturated s cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.823353] CR2: ffffffff85ed1220 # [ 54.833261] ---[ end trace 0f84078a4422bd80 ]--- # [ 54.838416] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.842791] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 54.863768] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 54.869600] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.877572] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 54.885539] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 54.893527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.901511] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 54.909487] FS: 00007fc807894580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 54.924735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.931149] CR2: ffffffff85ed1220 CR3: 0000000104082001 CR4: 00000000003706e0 # [ 54.939108] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.949018] in_atomic(): [ 62.542718] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 62.551020] lkdtm: attempting bad refcount_dec() below zero [ 62.557245] ------------[ cut here ]------------ [ 62.562401] refcount_t: decrement hit 0; leaking memory. [ 62.568363] WARNING: CPU: 3 PID: 2232 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0, irqs_disabled(): 1, non_block: 0, pid: 1787, name: cat # [ [ 62.577797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.610425] CPU: 3 PID: 2232 Comm: cat Tainted: G D W 5.10.162-cip24 #1 54.957462] INFO: lockdep is turned off. # [ 54.961837] irq e[ 62.619081] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 vent stamp: 0 # [ 54.965242] hardirqs last enabled at (0): [[ 62.632105] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <0000000000000000>] 0x0 # [ 54.972239] hardirqs last disabled[ 62.644153] Code: 58 ed 24 86 c6 05 1c f8 93 01 01 e8 ba 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 ed 24 86 c6 05 03 f8 93 01 01 e8 a0 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 [ 62.671354] RSP: 0018:ffff8fd9c2bbfe48 EFLAGS: 00010286 [ 62.677222] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 62.685193] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 62.693187] RBP: ffffffff862b34fb R08: 0000000000000000 R09: 0000000000000000 at (0): [] copy_process+0x664/0x1cb0 # [ 5[ 62.701173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 62.715349] R13: ffff8fd9c2bbff10 R14: ffff8fd9c2bbff10 R15: ffff897e45406000 [ 62.723321] FS: 00007fdb9c10b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 62.732358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.738776] CR2: 00007fdb9bf14000 CR3: 000000010426e005 CR4: 00000000003706e0 [ 62.746746] Call Trace: [ 62.749476] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 62.754852] direct_entry.cold+0x2c/0x38 [ 62.759253] full_proxy_write+0x53/0x80 [ 62.763539] vfs_write+0xe7/0x3a0 [ 62.767244] ksys_write+0x68/0xf0 [ 62.770944] do_syscall_64+0x30/0x40 [ 62.774958] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.780599] RIP: 0033:0x7fdb9c021833 [ 62.784589] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.805571] RSP: 002b:00007fff67c07b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.814029] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdb9c021833 [ 62.822001] RDX: 0000000000000016 RSI: 00007fdb9bf14000 RDI: 0000000000000001 [ 62.829970] RBP: 00007fdb9bf14000 R08: 00007fdb9bf13010 R09: 0000000000000000 [ 62.837941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.845912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.853887] irq event stamp: 0 [ 62.857325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.864323] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 62.873459] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 62.882593] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.889593] ---[ end trace 0f84078a4422bd8d ]--- [ 62.894749] lkdtm: Negative detected: saturated 4.981374] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.990507] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.003718] CPU: 3 PID: 1787 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 55.012365] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.019167] Call Trace: # [ 55.021895] dump_stack+0x77/0x9b # [ 55.025593] ___might_sleep.cold+0xa6/0xb6 # [ 55.030164] exit_signals+0x1c/0x2e0 # [ 55.034152] do_exit+0xc2/0xaf0 # [ 55.037645] ? ksys_write+0x68/0xf0 # [ 55.041538] rewind_stack_do_exit+0x17/0x20 # [ 55.046203] RIP: 0033:0x7fc8077aa833 # [ 55.050189] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.071165] RSP: 002b:00007ffc6038c288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.079620] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc8077aa833 # [ 55.087588] RDX: 000000000000000c RSI: 00007fc80769d000 RDI: 0000000000000001 # [ 55.095573] RBP: 00007fc80769d000 R08: 00007fc80769c010 R09: 0000000000000000 # [ 55.103533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.111491] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 55.217338] lkdtm: Performing direct entry EXEC_USERSPACE # [ 55.224996] lkdt[ 63.050970] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 63.062849] lkdtm: attempting bad refcount_dec_and_test() below zero m: attempting ok execution at ffffffff850e3680 # [ 55.231545][ 63.069962] ------------[ cut here ]------------ [ 63.081319] refcount_t: underflow; use-after-free. [ 63.086695] WARNING: CPU: 2 PID: 2267 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 lkdtm: attempting bad execution at 00007f40f25bf000 # [ 55.2[ 63.096131] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.128763] CPU: 2 PID: 2267 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 63.137414] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.144222] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 63.150059] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 63.171041] RSP: 0018:ffff8fd9c2c4fe40 EFLAGS: 00010286 [ 63.176878] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 63.184847] RDX: ffff897ebad2c660 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 [ 63.192819] RBP: ffffffff862b3150 R08: 0000000000000000 R09: 0000000000000000 [ 63.200790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.208759] R13: ffff8fd9c2c4ff10 R14: ffff8fd9c2c4ff10 R15: ffff897e44173000 [ 63.216729] FS: 00007fcd32466580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 63.225768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.232186] CR2: 00007fcd3226f000 CR3: 0000000103612005 CR4: 00000000003706e0 [ 63.240156] Call Trace: 44379] unable to execute userspace code (SMEP?) (uid: 0) # [ [ 63.242889] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 63.255229] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 63.261456] direct_entry.cold+0x2c/0x38 [ 63.265865] full_proxy_write+0x53/0x80 [ 63.270147] vfs_write+0xe7/0x3a0 [ 63.273847] ksys_write+0x68/0xf0 [ 63.277548] do_syscall_64+0x30/0x40 55.250804] BUG: unable to handle page fault for address: 00007f4[ 63.281538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.293393] RIP: 0033:0x7fcd3237c833 [ 63.297383] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.318364] RSP: 002b:00007ffd32bfeec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.326823] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcd3237c833 0f25bf000 # [ 55.264694] #PF: supervisor instruction fetch in[ 63.334798] RDX: 000000000000001f RSI: 00007fcd3226f000 RDI: 0000000000000001 kernel mode # [ 55.271013] #PF: error_code(0x0011) - permiss[ 63.348987] RBP: 00007fcd3226f000 R08: 00007fcd3226e010 R09: 0000000000000000 [ 63.363173] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.371176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.379172] irq event stamp: 0 ions violation # [ 55.277235] PGD 8000000102730067 P4D 800000[ 63.382590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.395800] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 63.404976] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 63.414146] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.421170] ---[ end trace 0f84078a4422bd8e ]--- [ 63.426327] lkdtm: Negative detected: saturated 0102730067 PUD 102749067 PMD 1040ce067 PTE 1152fb067 # [ 55.293170] Oops: 0011 [#10] SMP PTI # [ 55.297160] CPU: 3 PID: 1823 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 55.305809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.312616] RIP: 0010:0x7f40f25bf000 # [ 55.316605] Code: Unable to access opcode bytes at RIP 0x7f40f25befd6. # [ 55.330107] RSP: 0018:ffff8fd9c255fe50 EFLAGS: 00010246 # [ 55.335939] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.343907] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 55.351874] RBP: 00007f40f25bf000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.359842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 55.367808] R13: ffff8fd9c255ff10 R14: ffff8fd9c255ff10 R15: ffff897e427f1000 # [ 55.375775] FS: 00007f40f2590580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 55.384812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.391226] CR2: 00007f40f25bf000 CR3: 0000000104ea8006 CR4: 00000000003706e0 # [ 55.399191] Call Trace: # [ 55.401921] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 55.407269] ? direct_entry.cold+0x2c/0x38 # [ 55.411832] ? full_proxy_writ[ 63.553639] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE e+0x53/0x80 # [ 55.416306] ? vfs_write+0xe7/0x3a0 # [ 55.[ 63.563535] lkdtm: attempting bad refcount_sub_and_test() below zero [ 63.576847] ------------[ cut here ]------------ [ 63.582009] refcount_t: underflow; use-after-free. [ 63.587385] WARNING: CPU: 2 PID: 2302 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 420198] ? ksys_write+0x68/0xf0 # [ 55.424080] ? do_syscall_[ 63.596823] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.629455] CPU: 2 PID: 2302 Comm: cat Tainted: G D W 5.10.162-cip24 #1 64+0x30/0x40 # [ 55.428261] ? entry_SYSCALL_64_after_hwframe[ 63.638108] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.651133] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 63.657000] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 63.677983] RSP: 0018:ffff8fd9c2cdfe40 EFLAGS: 00010286 [ 63.683823] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 +0x61/0xc6 # [ 55.434097] Modules linked in: fuse ip_tables c[ 63.691822] RDX: ffff897ebad2c660 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 [ 63.706023] RBP: ffffffff862b3170 R08: 0000000000000000 R09: 0000000000000000 ros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffe[ 63.714007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.728181] R13: ffff8fd9c2cdff10 R14: ffff8fd9c2cdff10 R15: ffff897e429e3000 [ 63.736151] FS: 00007fb68556a580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 [ 63.745189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.751606] CR2: 00007fb685373000 CR3: 000000010541e002 CR4: 00000000003706e0 [ 63.759575] Call Trace: [ 63.762307] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 63.768465] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 63.774690] direct_entry.cold+0x2c/0x38 [ 63.779094] full_proxy_write+0x53/0x80 [ 63.783400] vfs_write+0xe7/0x3a0 [ 63.787124] ksys_write+0x68/0xf0 [ 63.790824] do_syscall_64+0x30/0x40 [ 63.794814] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.800456] RIP: 0033:0x7fb685480833 [ 63.804446] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.825428] RSP: 002b:00007ffec7eb7fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.833885] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb685480833 [ 63.841857] RDX: 000000000000001f RSI: 00007fb685373000 RDI: 0000000000000001 [ 63.849828] RBP: 00007fb685373000 R08: 00007fb685372010 R09: 0000000000000000 [ 63.857799] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.865769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.873742] irq event stamp: 0 r kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_l[ 63.877175] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.890385] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 63.899523] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal c[ 63.908665] softirqs last disabled at (0): [<0000000000000000>] 0x0 ros_ec_dev cros_usbpd_notify # [ 55.460549] CR2: 00007f40f25b[ 63.921876] ---[ end trace 0f84078a4422bd8f ]--- f000 # [ 55.470456] ---[ end trace 0f84078a4422bd81 ]--- # [[ 63.933246] lkdtm: Negative detected: saturated 55.475611] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.479988] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 55.507179] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 55.513010] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.520978] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 55.528946] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 55.536913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.544879] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 55.552846] FS: 00007f40f2590580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 55.561880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.568293] CR2: 00007f40f25bf000 CR3: 0000000104ea8006 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 55.683802] lkdtm: Performing direct entry EXEC_NULL # [ 55.693791] lkdtm: attempting ok execution at ffffffff850e3680 # [ 55.706514] lkdtm: attemptin[ 64.063170] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 64.075161] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 64.082315] lkdtm: Good: zero detected g bad execution at 0000000000000000 # [ 55.719338] BUG: kerne[ 64.086509] lkdtm: Correctly stayed at zero [ 64.097389] lkdtm: attempting bad refcount_inc() from zero [ 64.103526] ------------[ cut here ]------------ l NULL pointer dereference, address: 0000000000000000 # [ 55.[ 64.108684] refcount_t: addition on 0; use-after-free. [ 64.120656] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 733287] #PF: supervisor instruction fetch in kernel mode # [ [ 64.130095] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.162723] CPU: 3 PID: 2334 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 64.171373] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.178180] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 64.184016] Code: 01 01 e8 4a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 86 c6 05 8c f8 93 01 01 e8 27 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 [ 64.204998] RSP: 0018:ffff8fd9c2d5fe48 EFLAGS: 00010286 55.739603] #PF: error_code(0x0010) - not-present page # [ 55.[ 64.210837] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 745339] PGD 0 P4D 0 # [ 55.748165] Oops: 0010 [#11] SMP PTI [ 64.225024] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 64.239206] RBP: ffffffff862b3511 R08: 0000000000000000 R09: 0000000000000000 [ 64.247178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.255148] R13: ffff8fd9c2d5ff10 R14: ffff8fd9c2d5ff10 R15: ffff897e440fc000 [ 64.263120] FS: 00007f5f51f8b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 64.272180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.752152] CPU: 0 PID: 1859 Comm: cat Tainted: G D W[ 64.278610] CR2: 00007f5f51d94000 CR3: 0000000105614005 CR4: 00000000003706e0 [ 64.292787] Call Trace: [ 64.295529] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 5.10.162-cip24 #1 # [ 55.760802] Hardware name: Goog[ 64.300501] direct_entry.cold+0x2c/0x38 [ 64.311087] full_proxy_write+0x53/0x80 [ 64.315394] vfs_write+0xe7/0x3a0 [ 64.319125] ksys_write+0x68/0xf0 [ 64.322827] do_syscall_64+0x30/0x40 [ 64.326842] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.332484] RIP: 0033:0x7f5f51ea1833 [ 64.336473] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.357459] RSP: 002b:00007ffc356193b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.365916] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5f51ea1833 [ 64.373886] RDX: 0000000000000012 RSI: 00007f5f51d94000 RDI: 0000000000000001 [ 64.381857] RBP: 00007f5f51d94000 R08: 00007f5f51d93010 R09: 0000000000000000 [ 64.389827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.397798] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.405772] irq event stamp: 0 le Rammus/Rammus, BIOS 09/04/2020 # [ 55.767608] RIP: 0010:0[ 64.409204] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.422415] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 64.431571] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 64.440707] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.447708] ---[ end trace 0f84078a4422bd90 ]--- [ 64.452863] lkdtm: Zero detected: saturated x0 # [ 55.770529] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 55.778197] RSP: 0018:ffff8fd9c25e7e48 EFLAGS: 00010246 # [ 55.784030] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.791998] RDX: 0000000000000000 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 # [ 55.799965] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.807932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 55.815899] R13: ffff8fd9c25e7f10 R14: ffff8fd9c25e7f10 R15: ffff897e42afb000 # [ 55.823866] FS: 00007ff73ee5b580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 55.832901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.839315] CR2: ffffffffffffffd6 CR3: 0000000105406002 CR4: 00000000003706f0 # [ 55.847283] Call Trace: # [ 55.850011] execute_location+0x45/0x56 # [ 55.854297] direct_entry.cold+0x2c/0x38 # [ 55.858680] full_proxy_write+0x53/0x80 # [ 55.862967] vfs_write+0xe7/0x3a0 # [ 55.866665] ksys_write+0x68/0xf0 # [ 55.870362] do_syscall_64+0x30/0x40 # [ 55.874350] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.879989] RIP: 0033:0x7ff73ed71833 # [ 55.883968] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 64.579295] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 64.588237] lkdtm: attempting safe refcount_add_not_zero() from zero [ 64.595367] lkdtm: Good: zero detected ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 64.599555] lkdtm: Correctly stayed at zero 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 64.610438] lkdtm: attempting bad refcount_add() from zero 28 48 89 54 24 18 # [ 55.904947] RSP: 002b:00007fffa7be0c78 E[ 64.622781] ------------[ cut here ]------------ [ 64.634153] refcount_t: addition on 0; use-after-free. [ 64.639918] WARNING: CPU: 3 PID: 2366 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.913400] RAX[ 64.649357] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.682014] CPU: 3 PID: 2366 Comm: cat Tainted: G D W 5.10.162-cip24 #1 : ffffffffffffffda RBX: 000000000000000a RCX: 00007ff73ed71833 [ 64.690670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.703682] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 55.921367] RDX: 000000000000000a RSI: 00007ff73ec64000 RDI[ 64.709526] Code: 01 01 e8 4a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 86 c6 05 8c f8 93 01 01 e8 27 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 [ 64.736718] RSP: 0018:ffff8fd9c2dd7e48 EFLAGS: 00010286 [ 64.742568] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 64.750540] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 64.758526] RBP: ffffffff862b3523 R08: 0000000000000000 R09: 0000000000000000 [ 64.766496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.774482] R13: ffff8fd9c2dd7f10 R14: ffff8fd9c2dd7f10 R15: ffff897e40fdb000 [ 64.782453] FS: 00007f4036d06580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 64.791510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0000000000000001 # [ 55.929336] RBP: 00007ff73ec64000 R08: [ 64.797939] CR2: 00007f4036b0f000 CR3: 000000010642c006 CR4: 00000000003706e0 [ 64.812118] Call Trace: [ 64.814847] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 64.819811] direct_entry.cold+0x2c/0x38 [ 64.824193] full_proxy_write+0x53/0x80 [ 64.828476] vfs_write+0xe7/0x3a0 [ 64.832177] ksys_write+0x68/0xf0 [ 64.835879] do_syscall_64+0x30/0x40 [ 64.839894] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.845536] RIP: 0033:0x7f4036c1c833 [ 64.849529] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00007ff73ec63010 R09: 0000000000000000 # [ 55.937305] R10: ff[ 64.870519] RSP: 002b:00007ffc3aed87c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.885186] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4036c1c833 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 64.893160] RDX: 0000000000000012 RSI: 00007f4036b0f000 RDI: 0000000000000001 [ 64.907346] RBP: 00007f4036b0f000 R08: 00007f4036b0e010 R09: 0000000000000000 55.945272] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 64.915324] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.929526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000020000 # [ 55.953241] Modules linked in: fuse ip_tabl[ 64.937524] irq event stamp: 0 [ 64.947145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.954146] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 64.963283] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 64.972417] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.979417] ---[ end trace 0f84078a4422bd91 ]--- [ 64.984573] lkdtm: Zero detected: saturated es cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.979676] CR2: 0000000000000000 # [ 55.983373] ---[ end trace 0f84078a4422bd82 ]--- # [ 55.988528] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.992904] Code: 89 ff e8 1e 77 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 a0 73 92 02 # [ 56.013875] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 56.019707] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.027674] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 56.035643] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 56.043610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.051577] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 56.059545] FS: 00007ff73ee5b580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 56.068600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.075015] CR2: ffffffffffffffd6 CR3: 00000[ 65.110201] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 00105406002 CR4: 00000000003706f0 # [ 56.082983] BUG: sleepin[ 65.120398] lkdtm: attempting bad refcount_inc() from saturated g function called from invalid context at include/linux/percpu-r[ 65.133224] ------------[ cut here ]------------ wsem.h:49 # [ 56.092893] in_atomic(): 0, irqs_disabled(): 1, [ 65.144593] refcount_t: saturated; leaking memory. non_block: 0, pid: 1859, name: cat # [ 56.101346] INFO: lockd[ 65.156185] WARNING: CPU: 1 PID: 2401 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ep is turned off. # [ 56.105720] irq event stamp: 0 # [ 56[ 65.171797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .109125] hardirqs last enabled at (0): [<0000000000000000>] 0x0[ 65.204431] CPU: 1 PID: 2401 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 56.116124] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.125258] softirqs last[ 65.232325] RIP: 0010:refcount_warn_saturate+0x51/0x110 enabled at (0): [] copy_process+0x664/0x1cb0[ 65.244376] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 # [ 56.134391] softirqs last disabled at (0): [<000000000000[ 65.271600] RSP: 0018:ffff8fd9c2e7fe48 EFLAGS: 00010286 0000>] 0x0 # [ 56.141389] CPU: 0 PID: 1859 Comm: cat Tainted:[ 65.283629] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 G D W 5.10.162-cip24 #1 # [ 56.150036] Hardware[ 65.297811] RDX: ffff897ebacac660 RSI: ffff897ebac9bf70 RDI: ffff897ebac9bf70 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.156838] [ 65.311999] RBP: ffffffff862b3535 R08: 0000000000000000 R09: 0000000000000000 Call Trace: # [ 56.159576] dump_stack+0x77/0x9b # [ 56.16[ 65.326187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 3274] ___might_sleep.cold+0xa6/0xb6 # [ 56.167845] exit_sig[ 65.340372] R13: ffff8fd9c2e7ff10 R14: ffff8fd9c2e7ff10 R15: ffff897e427fd000 nals+0x1c/0x2e0 # [ 56.171825] do_exit+0xc2/0xaf0 # [ 56.[ 65.354578] FS: 00007f6e27eaf580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 175318] ? ksys_write+0x68/0xf0 # [ 56.179210] rewind_stack_[ 65.369830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 do_exit+0x17/0x20 # [ 56.183876] RIP: 0033:0x7ff73ed71833 # [ 65.382467] CR2: 00007f6e27cb8000 CR3: 0000000106504002 CR4: 00000000003706e0 [ 56.187863] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 f[ 65.396656] Call Trace: f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 65.405605] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 65.417272] direct_entry.cold+0x2c/0x38 3 ec 28 48 89 54 24 18 # [ 56.208843] RSP: 002b:00007fffa7be0[ 65.427868] full_proxy_write+0x53/0x80 c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.217297[ 65.438369] vfs_write+0xe7/0x3a0 ] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff73ed71[ 65.448286] ksys_write+0x68/0xf0 833 # [ 56.225264] RDX: 000000000000000a RSI: 00007ff73ec6400[ 65.458204] do_syscall_64+0x30/0x40 0 RDI: 0000000000000001 # [ 56.233230] RBP: 00007ff73ec64000 [ 65.468412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R08: 00007ff73ec63010 R09: 0000000000000000 # [ 56.241198] R1[ 65.480273] RIP: 0033:0x7f6e27dc5833 0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.490481] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.249166] R13: 0000000000000001 R14: 0000000000020000 R1[ 65.517686] RSP: 002b:00007ffc001055b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 s[ 65.532361] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6e27dc5833 elftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSP[ 65.546552] RDX: 0000000000000017 RSI: 00007f6e27cb8000 RDI: 0000000000000001 ACE.sh # Killed # [ 56.452542] lkdtm: Performing direct entr[ 65.560740] RBP: 00007f6e27cb8000 R08: 00007f6e27cb7010 R09: 0000000000000000 y ACCESS_USERSPACE # [ 56.462302] lkdtm: attempting bad read [ 65.574933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 at 00007f796dab4000 # [ 56.474671] BUG: unable to handle page[ 65.589123] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fault for address: 00007f796dab4000 # [ 56.488515] #PF: supe[ 65.603320] irq event stamp: 0 rvisor read access in kernel mode # [ 56.494250] #PF: error_c[ 65.612940] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ode(0x0001) - permissions violation # [ 56.500471] PGD 800000[ 65.626160] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0103248067 P4D 8000000103248067 PUD 1056a5067 PMD 103d64067 PTE [ 65.641516] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 114d8e067 # [ 56.510200] Oops: 0001 [#12] SMP PTI # [ 56.5[ 65.656867] softirqs last disabled at (0): [<0000000000000000>] 0x0 14188] CPU: 0 PID: 1894 Comm: cat Tainted: G D W 5.[ 65.670085] ---[ end trace 0f84078a4422bd92 ]--- 10.162-cip24 #1 # [ 56.522827] Hardware name: Google Rammus/R[ 65.681455] lkdtm: Saturation detected: still saturated ammus, BIOS 09/04/2020 # [ 56.529633] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 56.535859] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 98 43 2b 86 e8 b8 96 fd ff 48 c7 c7 c0 43 2b 86 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 9f 96 fd ff 48 89 ee 48 c7 c7 e8 43 2b # [ 56.556839] RSP: 0018:ffff8fd9c263fe48 EFLAGS: 00010246 # [ 56.562662] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 56.570630] RDX: 0000000000000000 RSI: ffff897ebac1bf70 RDI: ffffffff862b43c0 # [ 56.578599] RBP: 00007f796dab4000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.586568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 56.594535] R13: ffff8fd9c263ff10 R14: ffff8fd9c263ff10 R15: ffff897e43539000 # [ 56.602504] FS: 00007f796da85580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 56.611539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.617954] CR2: 00007f796dab4000 CR3: 0000000104f9a003 CR4: 00000000003706f0 # [ 56.625921] Call Trace: # [ 56.628650] direct_entry.cold+0x2c/0x38 # [ 56.633034] full_proxy_write+0x53/0x80 # [ 56.637321] vfs_write+0xe7/0x3a0 # [ 56.641023] ksys_write+0x68/0xf0 # [ 56.644722] do_syscall_64+0x30/0x40 # [ 56.648715] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.654345] RIP: 0033:0x7f796d99b833 # [ 56.658332] Code[ 65.824261] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED : 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 65.837068] lkdtm: attempting bad refcount_dec() from saturated 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 65.849893] ------------[ cut here ]------------ <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 65.861282] refcount_t: decrement hit 0; leaking memory. 18 # [ 56.679311] RSP: 002b:00007ffe46129b08 EFLAGS: 0000024[ 65.873469] WARNING: CPU: 0 PID: 2436 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 6 ORIG_RAX: 0000000000000001 # [ 56.687765] RAX: ffffffffffff[ 65.889073] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffda RBX: 0000000000000011 RCX: 00007f796d99b833 # [ 56.69573[ 65.921725] CPU: 0 PID: 2436 Comm: cat Tainted: G D W 5.10.162-cip24 #1 2] RDX: 0000000000000011 RSI: 00007f796d88e000 RDI: 000000000000[ 65.936573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0001 # [ 56.703701] RBP: 00007f796d88e000 R08: 00007f796d88d0[ 65.949623] RIP: 0010:refcount_warn_saturate+0xfb/0x110 10 R09: 0000000000000000 # [ 56.711668] R10: fffffffffffffbc5[ 65.961642] Code: 58 ed 24 86 c6 05 1c f8 93 01 01 e8 ba 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 ed 24 86 c6 05 03 f8 93 01 01 e8 a0 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 R11: 0000000000000246 R12: 0000000000000001 # [ 56.719635] R[ 65.988844] RSP: 0018:ffff8fd9c2f07e48 EFLAGS: 00010286 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 66.000874] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 56.727608] Modules linked in: fuse ip_tables cros_ec_sen[ 66.015063] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu[ 66.029243] RBP: ffffffff862b354c R08: 0000000000000000 R09: 0000000000000000 f industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cr[ 66.043436] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 os_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev[ 66.057608] R13: ffff8fd9c2f07f10 R14: ffff8fd9c2f07f10 R15: ffff897e44210000 cros_usbpd_notify # [ 56.754044] CR2: 00007f796dab4000 # [ [ 66.071813] FS: 00007f07f1257580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 56.757741] ---[ end trace 0f84078a4422bd83 ]--- # [ 56.7628[ 66.087051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 94] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.767269] Code: 89 ff e[ 66.099694] CR2: 00007f07f1060000 CR3: 0000000102984001 CR4: 00000000003706f0 8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3[ 66.113867] Call Trace: cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 6[ 66.122832] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 73 92 02 # [ [ 66.134480] direct_entry.cold+0x2c/0x38 56.788249] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ [ 66.145090] full_proxy_write+0x53/0x80 56.794071] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 0000[ 66.155566] vfs_write+0xe7/0x3a0 000000000000 # [ 56.802037] RDX: 0000000000000000 RSI: ffff89[ 66.165515] ksys_write+0x68/0xf0 7ebad9bf70 RDI: ffffffff85ed0d90 # [ 56.810006] RBP: ffffffff[ 66.175407] do_syscall_64+0x30/0x40 8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 56.8[ 66.185620] entry_SYSCALL_64_after_hwframe+0x61/0xc6 17974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 66.197464] RIP: 0033:0x7f07f116d833 00000004 # [ 56.825942] R13: ffff8fd9c1427f10 R14: ffff8fd9c1[ 66.207704] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 427f10 R15: ffff897e43dd7000 # [ 56.833911] FS: 00007f796da8[ 66.234862] RSP: 002b:00007fffd8694398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [[ 66.249531] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f07f116d833 56.842946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.263706] RDX: 0000000000000017 RSI: 00007f07f1060000 RDI: 0000000000000001 # [ 56.849360] CR2: 00007f796dab4000 CR3: 0000000104f9a003 CR[ 66.277900] RBP: 00007f07f1060000 R08: 00007f07f105f010 R09: 0000000000000000 4: 00000000003706f0 # ACCESS_USERSPACE: saw 'call trace:': ok [ 66.292103] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm:[ 66.306290] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ACCESS_NULL.sh # Killed # [ 56.999596] lkdtm: Performing di[ 66.320498] irq event stamp: 0 rect entry ACCESS_NULL # [ 57.006051] lkdtm: attempting bad r[ 66.330124] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ead at 0000000000000000 # [ 57.012185] BUG: kernel NULL point[ 66.343348] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 er dereference, address: 0000000000000000 # [ 57.026163] #PF:[ 66.358691] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 supervisor read access in kernel mode # [ 57.031896] #PF: er[ 66.374030] softirqs last disabled at (0): [<0000000000000000>] 0x0 ror_code(0x0000) - not-present page # [ 57.037631] PGD 0 P4D [ 66.387240] ---[ end trace 0f84078a4422bd93 ]--- 0 # [ 57.040455] Oops: 0000 [#13] SMP PTI # [ 57.044443] [ 66.398612] lkdtm: Saturation detected: still saturated CPU: 3 PID: 1929 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 57.053092] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.059899] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.065149] Code: 5c 96 fd ff be 00 10 00 00 48 89 ef e8 f5 60 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 98 43 2b 86 e8 36 96 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 c0 43 2b 86 48 01 # [ 57.086125] RSP: 0018:ffff8fd9c26d7e58 EFLAGS: 00010246 # [ 57.091957] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 57.099915] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 57.107883] RBP: ffffffff862b3489 R08: 0000000000000000 R09: 0000000000000000 # [ 57.115852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 57.123818] R13: ffff8fd9c26d7f10 R14: ffff8fd9c26d7f10 R15: ffff897e436d2000 # [ 57.131785] FS: 00007f5e42a5b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 57.140820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.147233] CR2: 0000000000000000 CR3: 0000000104f9c003 CR4: 00000000003706e0 # [ 57.155200] Call Trace: # [ 57.157927] direct_entry.cold+0x2c/0x38 # [ 57.162304] full_proxy_write+0x53/0x80 # [ 57.166583] vfs_write+0xe7/0x3a0 # [ 57.170272] ksys_write+0x68/0xf0 # [ 57.173970] do_syscall_64+0x30/0x40 # [ 57.1779[ 66.546055] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 57] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.183595] [ 66.554474] lkdtm: attempting bad refcount_dec() from saturated RIP: 0033:0x7f5e42971833 # [ 57.187583] Code: 8b 15 61 26 0e [ 66.567301] ------------[ cut here ]------------ 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 2[ 66.578668] refcount_t: saturated; leaking memory. 5 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff [ 66.590246] WARNING: CPU: 1 PID: 2471 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.208[ 66.605877] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 570] RSP: 002b:00007ffea773f418 EFLAGS: 00000246 ORIG_RAX: 00000[ 66.638538] CPU: 1 PID: 2471 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 66.653400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000001 # [ 57.217024] RAX: ffffffffffffffda RBX: 0000000[ 66.660210] RIP: 0010:refcount_warn_saturate+0x51/0x110 00000000c RCX: 00007f5e42971833 # [ 57.224990] RDX: 000000000[ 66.672255] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 000000c RSI: 00007f5e42864000 RDI: 0000000000000001 # [ 57.23[ 66.699451] RSP: 0018:ffff8fd9c2fa7e48 EFLAGS: 00010286 [ 66.711519] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 2957] RBP: 00007f5e42864000 R08: 00007f5e42863010 R09: 000000000[ 66.719522] RDX: ffff897ebacac660 RSI: ffff897ebac9bf70 RDI: ffff897ebac9bf70 [ 66.733703] RBP: ffffffff862b3563 R08: 0000000000000000 R09: 0000000000000000 0000000 # [ 57.240926] R10: fffffffffffffbc5 R11: 00000000000[ 66.741676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.755856] R13: ffff8fd9c2fa7f10 R14: ffff8fd9c2fa7f10 R15: ffff897e43433000 00246 R12: 0000000000000001 # [ 57.248894] R13: 0000000000000[ 66.763830] FS: 00007f4bee397580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.256867[ 66.779081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.791714] CR2: 00007f4bee1a0000 CR3: 000000010362e005 CR4: 00000000003706e0 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sens[ 66.799690] Call Trace: ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[ 66.808628] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 os_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cro[ 66.820292] direct_entry.cold+0x2c/0x38 s_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notif[ 66.830886] full_proxy_write+0x53/0x80 y # [ 57.283319] CR2: 0000000000000000 # [ 57.293227] ---[[ 66.841382] vfs_write+0xe7/0x3a0 end trace 0f84078a4422bd84 ]--- # [ 57.298371] RIP: 0010:lkd[ 66.851296] ksys_write+0x68/0xf0 tm_BUG+0x5/0x10 # [ 57.302746] Code: 89 ff e8 1e 77 a3 ff 48 [ 66.861210] do_syscall_64+0x30/0x40 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c[ 66.871417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 [ 66.883272] RIP: 0033:0x7f4bee2ad833 00 00 00 0f 1f 44 00 00 83 05 a0 73 92 02 # [ 57.323721] RSP:[ 66.893480] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 57.329551] RAX: f[ 66.920682] RSP: 002b:00007ffe181d0948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [[ 66.935361] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4bee2ad833 57.337538] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: f[ 66.949550] RDX: 0000000000000017 RSI: 00007f4bee1a0000 RDI: 0000000000000001 fffffff85ed0d90 # [ 57.345520] RBP: ffffffff8630e908 R08: 000[ 66.963732] RBP: 00007f4bee1a0000 R08: 00007f4bee19f010 R09: 0000000000000000 0000000000001 R09: 0000000000000001 # [ 57.353487] R10: 00000[ 66.977920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 5[ 66.992110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7.361455] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff8[ 67.006301] irq event stamp: 0 97e43dd7000 # [ 57.369423] FS: 00007f5e42a5b580(0000) GS:fff[ 67.015920] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f897ebad80000(0000) knlGS:0000000000000000 # [ 57.378456] CS:[ 67.029139] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.384869][ 67.044494] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 CR2: 0000000000000000 CR3: 0000000104f9c003 CR4: 00000000003706[ 67.059844] softirqs last disabled at (0): [<0000000000000000>] 0x0 e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm[ 67.073059] ---[ end trace 0f84078a4422bd94 ]--- : ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [[ 67.084431] lkdtm: Saturation detected: still saturated 57.520216] lkdtm: Performing direct entry WRITE_RO # [ 57.528850] lkdtm: attempting bad rodata write at ffffffff85ed1210 # [ 57.541993] BUG: unable to handle page fault for address: ffffffff85ed1210 # [ 57.555855] #PF: supervisor write access in kernel mode # [ 57.561677] #PF: error_code(0x0003) - permissions violation # [ 57.567896] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 8000000014c000e1 # [ 57.575384] Oops: 0003 [#14] SMP PTI # [ 57.585586] CPU: 1 PID: 1964 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 57.594233] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.601038] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 57.605998] Code: 00 48 c7 c7 78 42 2b 86 48 c7 c6 10 12 ed 85 e8 e0 98 fd ff 48 8b 05 1f f9 78 00 ba 34 12 cd ab 48 c7 c7 a8 42 2b 86 48 31 d0 <48> 89 05 09 f9 78 00 e9 be 98 fd ff 0f 1f 44 00 00 48 8b 05 18 da # [ 57.633192] RSP: 0018:ffff8fd9c2787e60 EFLAGS: 00010202 # [ 57.639023] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 57.646992] RDX: 00000000abcd1234 RSI: ffff897ebac9bf70 RDI: ffffffff862b42a8 # [ 57.654949] RBP: ffffffff862b3495 R08: 0000000000000000 R09: 0000000000000000 # [ 57.662917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 57.670882] R13: ffff8fd9c2787f10 R14: ffff8fd9c[ 67.221408] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 2787f10 R15: ffff897e4655b000 # [ 57.678852] FS: 00007f049f7[ 67.234696] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 67.248396] ------------[ cut here ]------------ [ 67.253582] refcount_t: saturated; leaking memory. [ 67.258960] WARNING: CPU: 3 PID: 2503 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 3f580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 # [ 67.268396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.301033] CPU: 3 PID: 2503 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 67.309715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.687879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 67.316525] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 67.328576] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 [ 67.349574] RSP: 0018:ffff8fd9c3037e38 EFLAGS: 00010282 [ 67.355412] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 67.363382] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 [ 67.371353] RBP: ffffffff862b3190 R08: 0000000000000000 R09: 0000000000000000 [ 67.379324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 67.387295] R13: ffff8fd9c3037f10 R14: ffff8fd9c3037f10 R15: ffff897e46418000 [ 67.395267] FS: 00007f2c2a0fa580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 [ 67.404305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.410723] CR2: 00007f2c29f03000 CR3: 00000001036f6003 CR4: 00000000003706e0 [ 67.418693] Call Trace: [ 67.421424] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 67.427576] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 67.433897] direct_entry.cold+0x2c/0x38 [ 67.438278] full_proxy_write+0x53/0x80 [ 67.442587] vfs_write+0xe7/0x3a0 [ 67.446311] ksys_write+0x68/0xf0 [ 67.450012] do_syscall_64+0x30/0x40 [ 67.454025] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.459666] RIP: 0033:0x7f2c2a010833 [ 67.463658] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.484638] RSP: 002b:00007ffeff522048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.493096] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2c2a010833 [ 67.501066] RDX: 0000000000000020 RSI: 00007f2c29f03000 RDI: 0000000000000001 # [ 57.694294] CR2: ffffffff85ed1210 CR3: 0000000100fd8006 C[ 67.509039] RBP: 00007f2c29f03000 R08: 00007f2c29f02010 R09: 0000000000000000 R4: 00000000003706e0 # [ 57.702262] Call Trace: # [ 57.704[ 67.523224] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.537412] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.545388] irq event stamp: 0 [ 67.548825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.555827] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 67.564963] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 67.574099] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.581099] ---[ end trace 0f84078a4422bd95 ]--- [ 67.586254] lkdtm: Saturation detected: still saturated 988] direct_entry.cold+0x2c/0x38 # [ 57.709367] full_proxy_write+0x53/0x80 # [ 57.719857] vfs_write+0xe7/0x3a0 # [ 57.723570] ksys_write+0x68/0xf0 # [ 57.733479] do_syscall_64+0x30/0x40 # [ 57.737468] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.743096] RIP: 0033:0x7f049f655833 # [ 57.747083] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.768060] RSP: 002b:00007ffc2ab65ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.776520] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f049f655833 # [ 57.784489] RDX: 0000000000000009 RSI: 00007f049f548000 RDI: 0000000000000001 # [ 57.792455] RBP: 00007f049f548000 R08: 00007f049f547010 R09: 0000000000000000 # [ 57.800421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.808389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.816362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.848993] CR2: ffffffff85ed1210 # [ 57.852689] ---[ end trace 0f84078a4422bd85 ]--- # [ [ 67.724466] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 57.857843] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.862218] Code:[ 67.736854] lkdtm: attempting bad refcount_add_not_zero() from saturated 89 ff e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff [ 67.750595] ------------[ cut here ]------------ [ 67.761960] refcount_t: saturated; leaking memory. ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <[ 67.767341] WARNING: CPU: 1 PID: 2535 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 73 92 [ 67.782950] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 02 # [ 57.883193] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282[ 67.815591] CPU: 1 PID: 2535 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 57.889026] RAX: ffffffff850e32b0 RBX: 0000000000000001 R[ 67.830459] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 CX: 0000000000000000 # [ 57.896992] RDX: 0000000000000000 RSI[ 67.843481] RIP: 0010:refcount_warn_saturate+0x97/0x110 : ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 57.904960] RBP: [ 67.855531] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 67.882730] RSP: 0018:ffff8fd9c306fe38 EFLAGS: 00010282 [ 57.912927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 67.894780] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 67.908965] RDX: ffff897ebacac660 RSI: ffff897ebac9bf70 RDI: ffff897ebac9bf70 0000000000000004 # [ 57.920893] R13: ffff8fd9c1427f10 R14: ff[ 67.916938] RBP: ffffffff862b31b0 R08: 0000000000000000 R09: 0000000000000000 [ 67.931118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ff8fd9c1427f10 R15: ffff897e43dd7000 # [ 57.928861] FS: 0000[ 67.939091] R13: ffff8fd9c306ff10 R14: ffff8fd9c306ff10 R15: ffff897e434c0000 7f049f73f580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000[ 67.953272] FS: 00007fbf7c945580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 000 # [ 57.937896] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 67.968527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0050033 # [ 57.944311] CR2: ffffffff85ed1210 CR3: 0000000100f[ 67.981162] CR2: 00007fbf7c74e000 CR3: 0000000106504001 CR4: 00000000003706e0 d8006 CR4: 00000000003706e0 # [ 57.952272] BUG: sleeping func[ 67.995351] Call Trace: tion called from invalid context at include/linux/percpu-rwsem.h[ 68.004301] __refcount_add_not_zero.constprop.0+0x2a/0x35 :49 # [ 57.962173] in_atomic(): 0, irqs_disabled(): 1, non_bl[ 68.016646] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 ock: 0, pid: 1964, name: cat # [ 57.970627] INFO: lockdep is [ 68.029185] direct_entry.cold+0x2c/0x38 turned off. # [ 57.975002] irq event stamp: 0 # [ 57.97839[ 68.039784] full_proxy_write+0x53/0x80 9] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 68.050285] vfs_write+0xe7/0x3a0 57.985388] hardirqs last disabled at (0): [][ 68.060202] ksys_write+0x68/0xf0 copy_process+0x664/0x1cb0 # [ 57.994526] softirqs last enab[ 68.070120] do_syscall_64+0x30/0x40 led at (0): [] copy_process+0x664/0x1cb0 # [ [ 68.080329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 58.003658] softirqs last disabled at (0): [<0000000000000000>][ 68.092188] RIP: 0033:0x7fbf7c85b833 0x0 # [ 58.010656] CPU: 1 PID: 1964 Comm: cat Tainted: G [ 68.102399] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 D W 5.10.162-cip24 #1 # [ 58.019304] Hardware name:[ 68.129605] RSP: 002b:00007fffba09f818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.026105] Call T[ 68.144288] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbf7c85b833 race: # [ 58.028832] dump_stack+0x77/0x9b # [ 58.032532] [ 68.158471] RDX: 0000000000000020 RSI: 00007fbf7c74e000 RDI: 0000000000000001 ___might_sleep.cold+0xa6/0xb6 # [ 58.043311] exit_signals+0[ 68.172657] RBP: 00007fbf7c74e000 R08: 00007fbf7c74d010 R09: 0000000000000000 x1c/0x2e0 # [ 58.047300] do_exit+0xc2/0xaf0 # [ 58.050802[ 68.186846] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] ? ksys_write+0x68/0xf0 # [ 58.054695] rewind_stack_do_exi[ 68.201035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t+0x17/0x20 # [ 58.059363] RIP: 0033:0x7f049f655833 # [ 58[ 68.215230] irq event stamp: 0 .069569] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 68.224851] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 68.238068] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 68.253422] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 8 48 89 54 24 18 # [ 58.090547] RSP: 002b:00007ffc2ab65ce8 EF[ 68.268771] softirqs last disabled at (0): [<0000000000000000>] 0x0 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.099001] RAX:[ 68.281988] ---[ end trace 0f84078a4422bd96 ]--- ffffffffffffffda RBX: 0000000000000009 RCX: 00007f049f655833 #[ 68.293358] lkdtm: Saturation detected: still saturated [ 58.106968] RDX: 0000000000000009 RSI: 00007f049f548000 RDI: 0000000000000001 # [ 58.114937] RBP: 00007f049f548000 R08: 00007f049f547010 R09: 0000000000000000 # [ 58.122902] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.130869] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 58.255277] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 58.263469] lkdtm: attempting bad ro_after_init write at ffffffff8632f330 # [ 58.277289] BUG: unable to handle page fault for address: ffffffff8632f330 # [ 58.291136] #PF: supervisor write access in kernel mode # [ 58.296960] #PF: error_code(0x0003) - permissions violation # [ 58.303181] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 10271e063 PTE 800000001512f061 # [ 58.311935] Oops: 0003 [#15] SMP PTI # [ 58.315923] CPU: 0 PID: 1999 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 58.324570] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.331376] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.337407] Code: 42 2b 86 e9 92 98 fd ff 48 c7 c7 00 43 2b 86 e8 86 98 fd ff 48 8b 05 e5 d9 be 00 ba 34 12 cd ab 48 c7 c7 a8 42 2b 86 48 31 d0 <48> 89 05 cf d9 be 00 e9 64 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 58.[ 68.438947] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 358386] RSP: 0018:ffff8fd9c2827e60 EFLAGS: 00010202 # [ 58.36[ 68.449840] lkdtm: attempting bad refcount_dec_and_test() from saturated 4219] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 000000000[ 68.463615] ------------[ cut here ]------------ 0000000 # [ 58.372188] RDX: 00000000abcd1234 RSI: ffff897ebac[ 68.474935] refcount_t: underflow; use-after-free. 1bf70 RDI: ffffffff862b42a8 # [ 58.380148] RBP: ffffffff862b3[ 68.486519] WARNING: CPU: 0 PID: 2570 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 49e R08: 0000000000000000 R09: 0000000000000000 # [ 58.388116[ 68.502181] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 68.534785] CPU: 0 PID: 2570 Comm: cat Tainted: G D W 5.10.162-cip24 #1 014 # [ 58.396082] R13: ffff8fd9c2827f10 R14: ffff8fd9c2827f1[ 68.549698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 R15: ffff897e44255000 # [ 58.404049] FS: 00007f7a1a20e580([ 68.562697] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 58[ 68.574804] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 .413084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 68.601959] RSP: 0018:ffff8fd9c312fe40 EFLAGS: 00010286 58.419500] CR2: ffffffff8632f330 CR3: 00000001041aa005 CR4: 00[ 68.614036] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 000000003706f0 # [ 58.427466] Call Trace: # [ 58.430194] [ 68.628204] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 direct_entry.cold+0x2c/0x38 # [ 58.434578] full_proxy_write+[ 68.642414] RBP: ffffffff862b31d0 R08: 0000000000000000 R09: 0000000000000000 0x53/0x80 # [ 58.438866] vfs_write+0xe7/0x3a0 # [ 58.4425[ 68.656581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 68] ksys_write+0x68/0xf0 # [ 58.446267] do_syscall_64+0x30/[ 68.670783] R13: ffff8fd9c312ff10 R14: ffff8fd9c312ff10 R15: ffff897e44fde000 0x40 # [ 58.450260] entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 68.684954] FS: 00007fe789145580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 58.455890] RIP: 0033:0x7f7a1a124833 # [ 58.459878] Co[ 68.700215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 de: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 68.712837] CR2: 00007fe788f4e000 CR3: 0000000102b2a006 CR4: 00000000003706f0 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 68.727030] Call Trace: 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 68.735975] __refcount_sub_and_test.constprop.0+0x3c/0x50 24 18 # [ 58.480854] RSP: 002b:00007ffe8197f268 EFLAGS: 00000[ 68.748332] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 246 ORIG_RAX: 0000000000000001 # [ 58.489300] RAX: ffffffffff[ 68.760856] direct_entry.cold+0x2c/0x38 ffffda RBX: 0000000000000014 RCX: 00007f7a1a124833 # [ 58.497[ 68.771450] full_proxy_write+0x53/0x80 267] RDX: 0000000000000014 RSI: 00007f7a1a017000 RDI: 0000000000[ 68.781953] vfs_write+0xe7/0x3a0 000001 # [ 58.505233] RBP: 00007f7a1a017000 R08: 00007f7a1a01[ 68.791880] ksys_write+0x68/0xf0 6010 R09: 0000000000000000 # [ 58.513201] R10: fffffffffffffb[ 68.801797] do_syscall_64+0x30/0x40 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.521167][ 68.812014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 68.823855] RIP: 0033:0x7fe78905b833 00 # [ 58.529139] Modules linked in: fuse ip_tables cros_ec_s[ 68.834081] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_[ 68.861274] RSP: 002b:00007ffc704f36c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar [ 68.875999] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe78905b833 cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_d[ 68.890142] RDX: 0000000000000020 RSI: 00007fe788f4e000 RDI: 0000000000000001 ev cros_usbpd_notify # [ 58.555575] CR2: ffffffff8632f330 # [ 68.904351] RBP: 00007fe788f4e000 R08: 00007fe788f4d010 R09: 0000000000000000 [ 58.559273] ---[ end trace 0f84078a4422bd86 ]--- # [ 58.56[ 68.918530] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 4427] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.568809] Code: 89 ff[ 68.932720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff [ 68.946909] irq event stamp: 0 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b[ 68.956540] hardirqs last enabled at (0): [<0000000000000000>] 0x0 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 73 92 02 # [ 68.969756] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 58.589786] RSP: 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ [ 68.985114] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 58.595617] RAX: ffffffff850e32b0 RBX: 0000000000000001 RCX: 00[ 69.000485] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000000 # [ 58.603585] RDX: 0000000000000000 RSI: ffff[ 69.013683] ---[ end trace 0f84078a4422bd97 ]--- 897ebad9bf70 RDI: ffffffff85ed0d90 # [ 58.611553] RBP: ffffff[ 69.025072] lkdtm: Saturation detected: still saturated ff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 58.619519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.627486] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 58.635454] FS: 00007f7a1a20e580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 58.644488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.650903] CR2: ffffffff8632f330 CR3: 00000001041aa005 CR4: 00000000003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 58.826915] lkdtm: Performing direct entry WRITE_KERN # [ 58.838611] lkdtm: attempting bad 6676971 byte write at ffffffff8574186b # [ 58.852325] BUG: unable to handle page fault for address: ffffffff8574186b # [ 58.866192] #PF: supervisor write access in kernel mode # [ 58.872017] #PF: error_code(0x0003) - permissions violation # [ 58.878238] PGD 15229067 P4D 15229067 PUD 1522a063 PMD 144000e1 # [ 58.891165] Oops: 0003 [#16] SMP PTI # [ 58.895145] CPU: 1 PID: 2034 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 58.903794] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.910600] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 58.915756] Code: 53 48 c7 c3 6b 18 74 85 49 89 dc 48 89 da 49 81 ec 80 36 0e 85 4c 89 e6 e8 39 98 fd ff 48 89 df[ 69.171686] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 4c 89 e1 48 c7 c6 80 36 0e 85 a4 48 c7 c7 a8 42 2b 86 e8 1[ 69.181614] lkdtm: attempting bad refcount_sub_and_test() from saturated e 98 fd ff 5b 41 5c e9 b7 fe ff ff # [ 58.942951] RSP: 0018:f[ 69.195308] ------------[ cut here ]------------ fff8fd9c2897e50 EFLAGS: 00010246 # [ 58.948776] RAX: 00000000[ 69.206682] refcount_t: underflow; use-after-free. 0000003c RBX: ffffffff8574186b RCX: 000000000065e1eb # [ 58.9[ 69.218285] WARNING: CPU: 0 PID: 2605 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 56744] RDX: 0000000000000000 RSI: ffffffff850e3680 RDI: ffffffff[ 69.233915] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8574186b # [ 58.964713] RBP: ffffffff862b34b2 R08: 0000000000[ 69.266543] CPU: 0 PID: 2605 Comm: cat Tainted: G D W 5.10.162-cip24 #1 000000 R09: 0000000000000000 # [ 58.972681] R10: 00000000ffff[ 69.281421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e000 R11: 3fffffffffffffff R12: 000000000065e1eb # [ 58.98064[ 69.294501] RIP: 0010:refcount_warn_saturate+0xba/0x110 8] R13: ffff8fd9c2897f10 R14: ffff8fd9c2897f10 R15: ffff897e4293[ 69.306518] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 e000 # [ 58.988619] FS: 00007f040e630580(0000) GS:ffff897eba[ 69.333749] RSP: 0018:ffff8fd9c319fe40 EFLAGS: 00010286 c80000(0000) knlGS:0000000000000000 # [ 58.997647] CS: 0010 [ 69.345786] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.004062] CR2: f[ 69.359973] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 fffffff8574186b CR3: 000000010642c003 CR4: 00000000003706e0 # [[ 69.374139] RBP: ffffffff862b31f0 R08: 0000000000000000 R09: 0000000000000000 59.012032] Call Trace: # [ 59.014760] direct_entry.cold+0[ 69.388358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 x2c/0x38 # [ 59.019141] full_proxy_write+0x53/0x80 # [ 59[ 69.402518] R13: ffff8fd9c319ff10 R14: ffff8fd9c319ff10 R15: ffff897e45406000 .029632] vfs_write+0xe7/0x3a0 # [ 59.033330] ksys_write+0x6[ 69.416730] FS: 00007fe8fa4c5580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 8/0xf0 # [ 59.037028] do_syscall_64+0x30/0x40 # [ 59.0410[ 69.431965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 18] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.046649] [ 69.444609] CR2: 00007fe8fa2ce000 CR3: 0000000102f3a001 CR4: 00000000003706f0 RIP: 0033:0x7f040e546833 # [ 59.050637] Code: 8b 15 61 26 0e [ 69.458789] Call Trace: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 2[ 69.467748] __refcount_sub_and_test.constprop.0+0x3c/0x50 5 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff [ 69.480115] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.071[ 69.492688] direct_entry.cold+0x2c/0x38 619] RSP: 002b:00007ffc9aa294f8 EFLAGS: 00000246 ORIG_RAX: 00000[ 69.503258] full_proxy_write+0x53/0x80 00000000001 # [ 59.080073] RAX: ffffffffffffffda RBX: 0000000[ 69.513815] vfs_write+0xe7/0x3a0 00000000b RCX: 00007f040e546833 # [ 59.088041] RDX: 000000000[ 69.523725] ksys_write+0x68/0xf0 000000b RSI: 00007f040e439000 RDI: 0000000000000001 # [ 59.09[ 69.533726] do_syscall_64+0x30/0x40 6008] RBP: 00007f040e439000 R08: 00007f040e438010 R09: 000000000[ 69.543871] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000 # [ 59.103977] R10: fffffffffffffbc5 R11: 00000000000[ 69.555833] RIP: 0033:0x7fe8fa3db833 00246 R12: 0000000000000001 # [ 59.111947] R13: 0000000000000[ 69.565991] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.119920[ 69.593213] RSP: 002b:00007ffe91795e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sens[ 69.607894] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe8fa3db833 ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[ 69.622183] RDX: 0000000000000020 RSI: 00007fe8fa2ce000 RDI: 0000000000000001 os_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cro[ 69.636324] RBP: 00007fe8fa2ce000 R08: 00007fe8fa2cd010 R09: 0000000000000000 s_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notif[ 69.650538] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 y # [ 59.152578] CR2: ffffffff8574186b # [ 59.156273] ---[[ 69.664726] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 end trace 0f84078a4422bd87 ]--- # [ 59.161427] RIP: 0010:lkd[ 69.678971] irq event stamp: 0 tm_BUG+0x5/0x10 # [ 59.165803] Code: 89 ff e8 1e 77 a3 ff 48 [ 69.688588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c[ 69.701830] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 [ 69.717205] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00 00 00 0f 1f 44 00 00 83 05 a0 73 92 02 # [ 59.186777] RSP:[ 69.732615] softirqs last disabled at (0): [<0000000000000000>] 0x0 0018:ffff8fd9c1427e60 EFLAGS: 00010282 # [ 59.192611] RAX: f[ 69.745809] ---[ end trace 0f84078a4422bd98 ]--- fffffff850e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [[ 69.757185] lkdtm: Saturation detected: still saturated 59.200579] RDX: 0000000000000000 RSI: ffff897ebad9bf70 RDI: ffffffff85ed0d90 # [ 59.208547] RBP: ffffffff8630e908 R08: 0000000000000001 R09: 0000000000000001 # [ 59.216519] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.224489] R13: ffff8fd9c1427f10 R14: ffff8fd9c1427f10 R15: ffff897e43dd7000 # [ 59.232449] FS: 00007f040e630580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 # [ 59.241487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.247894] CR2: ffffffff8574186b CR3: 000000010642c003 CR4: 00000000003706e0 # [ 59.255862] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.265772] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2034, name: cat # [ 59.274228] INFO: lockdep is turned off. # [ 59.278604] irq event stamp: 0 # [ 59.282008] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.289007] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.298134] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.307260] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.314259] CPU: 1 PID: 2034 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 59.322898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.329702] Call Trace: # [ 59.332429] dump_stack+0x77/0x9b # [ 59.336130] ___might_sleep.cold+0xa6/0xb6 # [ 59.346914] exit_signals+0x1c/0x2e0 # [ 59.350901] do_exit+0xc2/0xaf0 # [ 59.354404] ? ksys_write+0x68/0xf0 # [ 59.358296] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 59.363741] rewind_stack_do_exit+0x17/0x20 # [ 59.368409] RIP: 0033:0x7f040e546833 # [ 59.372396] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.393377] RSP: 002b:00007ffc9aa294f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.401831] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f040e546833 # [ 59.409800] RDX: 000000000000000b RSI: 00007f040e439000 RDI: 0000000000000001 # [ 59.417[ 69.985309] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 69.993687] lkdtm: attempting good copy_to_user of correct size 768] RBP: 00007f040e439000 R08: 00007f040e438010 R09: 0000000000[ 70.000320] lkdtm: attempting bad copy_to_user of too large size 000000 # [ 59.425737] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.433707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 59.569192] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 59.579035] lkdtm: attempting good refcount_inc() without overflow # [ 59.585971] lkdtm: attempting bad refcount_inc() overflow # [ 59.592004] ------------[ cut here ]------------ # [ 59.597183] refcount_t: saturated; leaking memory. # [ 59.602545] WARNING: CPU: 3 PID: 2069 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 59.611997] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.638458] CPU: 3 PID: 2069 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 59.653319] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.660128] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 59.665963] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 # [ 59.686946] RSP: 0018:ffff8fd9c29[ 70.150794] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 70.163412] lkdtm: attempting good copy_from_user of correct size 07e48 EFLAGS: 00010286 # [ 59.692781] RAX: 0000000000000000 R[ 70.170242] lkdtm: attempting bad copy_from_user of too large size BX: 000000000000002b RCX: 0000000000000000 # [ 59.700755] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 59.714943] RBP: ffffffff862b34bd R08: 0000000000000000 R09: 0000000000000000 # [ 59.729130] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 59.743313] R13: ffff8fd9c2907f10 R14: ffff8fd9c2907f10 R15: ffff897e44048000 # [ 59.757519] FS: 00007ff47849d580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 59.766568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.779196] CR2: 00007ff4782a6000 CR3: 0000000103242006 CR4: 00000000003706e0 # [ 59.787165] Call Trace: # [ 59.789895] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 59.795302] direct_entry.cold+0x2c/0x38 # [ 59.799693] full_proxy_write+0x53/0x80 # [ 59.810180] vfs_write+0xe7/0x3a0 # [ 59.813881] ksys_write+0x68/0xf0 # [ 59.817581] do_syscall_64+0x30/0x40 # [ 59.821572] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.827214] RIP: 0033:0x7ff4783b3833 # [ 59.831204] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.852185] RSP: 002b:00007ffea298be08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.860642] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff4783b3833 # [ 59.868614] RDX: 0000000000000016 RSI: 00007ff4782a6000 RDI: 0000000000000001 # [ 59.876584] RBP: 00007ff4782a6000 R08: 00007ff4782a5010 R09: 0000000000000000 # [ 59.884569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 70.338962] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 70.352435] lkdtm: attempting good copy_to_user inside whitelist [ 70.359189] lkdtm: attempting bad copy_to_user outside whitelist 0000000001 # [ 59.892543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.900532] irq event stamp: 0 # [ 59.910148] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.917149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.926284] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 59.935419] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.942418] ---[ end trace 0f84078a4422bd88 ]--- # [ 59.947574] 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 # [ 60.061733] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 60.071275] lkdtm: attempting good refcount_add() without overflow # [ 60.084399] lkdtm: attempting bad refcount_add() overflow # [ 60.096650] ------------[ cut here ]------------ # [ 60.108010] refcount_t: saturated; leaking memory. # [ 60.119647] WARNING: CPU: 0 PID: 2101 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.135248] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.167916] CPU: 0 PID: 2101 Comm: cat Tainted: [ 70.504451] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 70.516339] lkdtm: attempting good copy_from_user inside whitelist G D W 5.10.162-cip24 #1 # [ 60.182741] Hardware [ 70.523258] lkdtm: attempting bad copy_from_user outside whitelist name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.195759] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.207801] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 # [ 60.235018] RSP: 0018:ffff8fd9c29a7e48 EFLAGS: 00010286 # [ 60.247057] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 60.261289] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 # [ 60.275443] RBP: ffffffff862b34d3 R08: 0000000000000000 R09: 0000000000000000 # [ 60.289635] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.303819] R13: ffff8fd9c29a7f10 R14: ffff8fd9c29a7f10 R15: ffff897e436f3000 # [ 60.318021] FS: 00007fb98218a580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 60.333267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.345913] CR2: 00007fb981f93000 CR3: 0000000104ea8003 CR4: 00000000003706f0 # [ 60.360093] Call Trace: # [ 60.369051] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 60.380613] direct_entry.cold+0x2c/0x38 # [ 60.391217] full_proxy_write+0x53/0x80 # [ 60.401710] vfs_write+0xe7/0x3a0 # [ 60.411634] ksys_write+0x68/0xf0 # [ 60.421557] do_syscall_[ 70.665764] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 70.673833] lkdtm: good_stack: ffff8fd9c356fe20-ffff8fd9c356fe40 [ 70.680575] lkdtm: bad_stack : ffff8fd9c356fda8-ffff8fd9c356fdc8 64+0x30/0x40 # [ 60.431768] entry_SYSCALL_64_after_hwframe+0[ 70.687294] lkdtm: attempting good copy_to_user of local stack [ 70.700038] lkdtm: attempting bad copy_to_user of distant stack x61/0xc6 # [ 60.443619] RIP: 0033:0x7fb9820a0833 # [ 60.453840] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.481033] RSP: 002b:00007ffefa519e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.495718] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb9820a0833 # [ 60.509903] RDX: 0000000000000016 RSI: 00007fb981f93000 RDI: 0000000000000001 # [ 60.524099] RBP: 00007fb981f93000 R08: 00007fb981f92010 R09: 0000000000000000 # [ 60.538280] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.552480] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.566669] irq event stamp: 0 # [ 60.576296] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.589525] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.604868] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.620214] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.633442] ---[ end trace 0f84078a4422bd89 ]--- # [ 60.644813] 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_OV[ 70.839719] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 70.850709] lkdtm: good_stack: ffff8fd9c35f7e20-ffff8fd9c35f7e40 ERFLOW.sh # [ 60.795592] lkdtm: Performing direct entry REFCO[ 70.857423] lkdtm: bad_stack : ffff8fd9c35f7da8-ffff8fd9c35f7dc8 [ 70.870349] lkdtm: attempting good copy_from_user of local stack [ 70.877098] lkdtm: attempting bad copy_from_user of distant stack UNT_INC_NOT_ZERO_OVERFLOW # [ 60.806596] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 60.813531] ------------[ cut here ]------------ # [ 60.818695] refcount_t: saturated; leaking memory. # [ 60.830278] WARNING: CPU: 3 PID: 2133 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 60.839716] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.872350] CPU: 3 PID: 2133 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 60.881025] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.887831] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 60.893667] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 # [ 60.914650] RSP: 0018:ffff8fd9c2a17e38 EFLAGS: 00010282 # [ 60.920490] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 60.928494] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 60.942680] RBP: ffffffff862b3110 R08: 0000000000000000 R09: 0000000000000000 # [ 60.956866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 71.016176] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 000000000000001f # [ 60.964840] R13: ffff8fd9c2a17f10 R14: ff[ 71.027397] lkdtm: good_stack: ffff8fd9c3687e20-ffff8fd9c3687e40 ff8fd9c2a17f10 R15: ffff897e4080b000 # [ 60.979021] FS: 0000[ 71.040333] lkdtm: bad_stack : ffff8fd9c3687ff8-ffff8fd9c3688018 7fd9cad29580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000[ 71.053291] lkdtm: attempting good copy_to_user of local stack 000 # [ 60.988061] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 71.065993] lkdtm: attempting bad copy_to_user of distant stack 0050033 # [ 60.994479] CR2: 00007fd9cab32000 CR3: 0000000102b[ 71.078801] lkdtm: copy_to_user failed, but lacked Oops 80005 CR4: 00000000003706e0 # [ 61.002452] Call Trace: # [ 61.005182] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.011342] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 61.017588] direct_entry.cold+0x2c/0x38 # [ 61.021969] full_proxy_write+0x53/0x80 # [ 61.026253] vfs_write+0xe7/0x3a0 # [ 61.029953] ksys_write+0x68/0xf0 # [ 61.033654] do_syscall_64+0x30/0x40 # [ 61.037646] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.043287] RIP: 0033:0x7fd9cac3f833 # [ 61.047278] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.068261] RSP: 002b:00007ffdffed95c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.076721] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd9cac3f833 # [ 61.084692] RDX: 000000000000001f RSI: 00007fd9cab32000 RDI: 0000000000000001 # [ 61.092664] RBP: 00007fd9cab32000 R08: 00007fd9cab31010 R09: 0000000000000000 # [ 61.100635] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.108605] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.116580] irq event stamp: 0 # [ 61.120019] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.127020] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.136156] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.145292] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.152293] ---[ end trace 0f84078a4422bd8a ]--- # [ 61.157448] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 61.319340] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 61.331736] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 61.338661] ------------[ cut here ]------------ # [ 61.350014] refcount_t: saturated; leaking memory. # [ 61.355390] WARNING: CPU: 3 PID: 2165 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 61.364827] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.397458] CPU: 3 PID: 2165 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 61.406134] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.412941] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.418777] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc c[ 71.390422] lkdtm: Performing direct entry STACKLEAK_ERASING [ 71.399523] lkdtm: checking unused part of the thread stack (15928 bytes)... c cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8[ 71.407413] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 0[ 71.421396] lkdtm: FAIL: the thread stack is NOT properly erased [ 71.434319] CPU: 2 PID: 2970 Comm: cat Tainted: G D W 5.10.162-cip24 #1 [ 71.442968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.449771] Call Trace: 1 00 75 85 48 c7 c7 00 ed 24 # [ 61.439759] RSP: 0018:ffff8fd[ 71.452526] dump_stack+0x77/0x9b [ 71.462437] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 71.467591] direct_entry.cold+0x2c/0x38 [ 71.471968] full_proxy_write+0x53/0x80 [ 71.476250] vfs_write+0xe7/0x3a0 [ 71.479946] ksys_write+0x68/0xf0 [ 71.483634] do_syscall_64+0x30/0x40 [ 71.487613] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.493252] RIP: 0033:0x7fe11c6ba833 [ 71.497239] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.518217] RSP: 002b:00007ffe0086c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.526669] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe11c6ba833 [ 71.534637] RDX: 0000000000000012 RSI: 00007fe11c5ad000 RDI: 0000000000000001 [ 71.542604] RBP: 00007fe11c5ad000 R08: 00007fe11c5ac010 R09: 0000000000000000 [ 71.550571] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.558538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9c2ab7e38 EFLAGS: 00010282 # [ 61.445595] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.453576] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 61.461562] RBP: ffffffff862b3130 R08: 0000000000000000 R09: 0000000000000000 # [ 61.469572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.477534] R13: ffff8fd9c2ab7f10 R14: ffff8fd9c2ab7f10 R15: ffff897e403e3000 # [ 61.485524] FS: 00007fe0b16d1580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 61.494566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.507192] CR2: 00007fe0b14da000 CR3: 0000000104ea8006 CR4: 00000000003706e0 # [ 61.515161] Call Trace: # [ 61.517893] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.524052] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 61.530301] direct_entry.cold+0x2c/0x38 # [ 61.534711] full_proxy_write+0x53/0x80 # [ 61.539018] vfs_write+0xe7/0x3a0 # [ 61.542743] ksys_write+0x68/0xf0 # [ 61.546444] do_syscall_64+0x30/0x40 # [ 61.550460] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.556100] RIP: 0033:0x7fe0b15e7833 # [ 61.560092] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff [ 71.696579] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 71.703381] lkdtm: Calling matched prototype ... [ 71.708539] lkdtm: Calling mismatched prototype ... [ 71.714007] lkdtm: Fail: survived mismatched prototype function call! 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.581073] RSP: 002b:00007ffd87551cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.589531] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe0b15e7833 # [ 61.597508] RDX: 000000000000001f RSI: 00007fe0b14da000 RDI: 0000000000000001 # [ 61.611690] RBP: 00007fe0b14da000 R08: 00007fe0b14d9010 R09: 0000000000000000 # [ 61.625876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.633848] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.641841] irq event stamp: 0 # [ 61.645258] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.658467] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.667628] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.676780] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.689985] ---[ end trace 0f84078a4422bd8b ]--- # [ 61.695138] 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 # [ 61.819947] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 61.830852] lkdtm: attempting good refcount_dec() # [ 61.842348] lkdtm: attempting bad refcount_dec() to zero # [ 61.854518] ------------[ cut here ]------------ # [ 61.865898] refcount_t: decrement hit 0; leaking memory. # [ 61.878094] WARNING: CPU: 0 PID: 2197 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 61.893700] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.926358] CPU: 0 PID: 2197 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 61.941255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.954253] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 61.966348] Code: 58 ed 24 86 c6 05 1c f8 93 01 01 e8 ba 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 ed 24 86 c6 05 03 f8 93 01 01 e8 a0 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 # [ 61.993526] RSP: 0018:ffff8fd9c2b3fe48 EFLAGS: 00010286 # [ 62.005595] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.019758] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 # [ 62.033974] RBP: ffffffff862b34e9 R08: 0000000000000000 R09: 0000000000000000 # [ 62.048140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.062347] R13: ffff8fd9c2b3ff10 R14: ffff8fd9c2b3ff10 R15: ffff897e432e6000 # [ 62.076517] FS: 00007f69c2da3580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 62.091792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.104404] CR2: 00007f69c2bac000 CR3: 00000001056c8002 CR4: 00000000003706f0 # [ 62.118617] Call Trace: # [ 62.127547] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 62.138749] direct_entry.cold+0x2c/0x38 # [ 62.149326] full_proxy_write+0x53/0x80 # [ 62.159848] vfs_write+0xe7/0x3a0 # [ 62.169742] ksys_write+0x68/0xf0 # [ 62.179678] do_syscall_64+0x30/0x40 # [ 62.189871] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.201755] RIP: 0033:0x7f69c2cb9833 # [ 62.211942] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.239172] RSP: 002b:00007ffe77a4d948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.253822] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f69c2cb9833 # [ 62.268024] RDX: 0000000000000012 RSI: 00007f69c2bac000 RDI: 0000000000000001 # [ 62.282188] RBP: 00007f69c2bac000 R08: 00007f69c2bab010 R09: 0000000000000000 # [ 62.296380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.310574] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.324784] irq event stamp: 0 # [ 62.334414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.347637] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.362994] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.378338] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.391552] ---[ end trace 0f84078a4422bd8c ]--- # [ 62.402936] 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 # [ 62.542718] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 62.551020] lkdtm: attempting bad refcount_dec() below zero # [ 62.557245] ------------[ cut here ]------------ # [ 62.562401] refcount_t: decrement hit 0; leaking memory. # [ 62.568363] WARNING: CPU: 3 PID: 2232 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 62.577797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.610425] CPU: 3 PID: 2232 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 62.619081] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.632105] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.644153] Code: 58 ed 24 86 c6 05 1c f8 93 01 01 e8 ba 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 ed 24 86 c6 05 03 f8 93 01 01 e8 a0 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 # [ 62.671354] RSP: 0018:ffff8fd9c2bbfe48 EFLAGS: 00010286 # [ 62.677222] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 62.685193] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 62.693187] RBP: ffffffff862b34fb R08: 0000000000000000 R09: 0000000000000000 # [ 62.701173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.715349] R13: ffff8fd9c2bbff10 R14: ffff8fd9c2bbff10 R15: ffff897e45406000 # [ 62.723321] FS: 00007fdb9c10b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 62.732358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.738776] CR2: 00007fdb9bf14000 CR3: 000000010426e005 CR4: 00000000003706e0 # [ 62.746746] Call Trace: # [ 62.749476] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 62.754852] direct_entry.cold+0x2c/0x38 # [ 62.759253] full_proxy_write+0x53/0x80 # [ 62.763539] vfs_write+0xe7/0x3a0 # [ 62.767244] ksys_write+0x68/0xf0 # [ 62.770944] do_syscall_64+0x30/0x40 # [ 62.774958] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.780599] RIP: 0033:0x7fdb9c021833 # [ 62.784589] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.805571] RSP: 002b:00007fff67c07b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.814029] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdb9c021833 # [ 62.822001] RDX: 0000000000000016 RSI: 00007fdb9bf14000 RDI: 0000000000000001 # [ 62.829970] RBP: 00007fdb9bf14000 R08: 00007fdb9bf13010 R09: 0000000000000000 # [ 62.837941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.845912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.853887] irq event stamp: 0 # [ 62.857325] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.864323] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.873459] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.882593] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.889593] ---[ end trace 0f84078a4422bd8d ]--- # [ 62.894749] 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 # [ 63.050970] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.062849] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.069962] ------------[ cut here ]------------ # [ 63.081319] refcount_t: underflow; use-after-free. # [ 63.086695] WARNING: CPU: 2 PID: 2267 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.096131] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.128763] CPU: 2 PID: 2267 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 63.137414] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.144222] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 63.150059] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 63.171041] RSP: 0018:ffff8fd9c2c4fe40 EFLAGS: 00010286 # [ 63.176878] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 63.184847] RDX: ffff897ebad2c660 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 # [ 63.192819] RBP: ffffffff862b3150 R08: 0000000000000000 R09: 0000000000000000 # [ 63.200790] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.208759] R13: ffff8fd9c2c4ff10 R14: ffff8fd9c2c4ff10 R15: ffff897e44173000 # [ 63.216729] FS: 00007fcd32466580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 63.225768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.232186] CR2: 00007fcd3226f000 CR3: 0000000103612005 CR4: 00000000003706e0 # [ 63.240156] Call Trace: # [ 63.242889] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 63.255229] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 63.261456] direct_entry.cold+0x2c/0x38 # [ 63.265865] full_proxy_write+0x53/0x80 # [ 63.270147] vfs_write+0xe7/0x3a0 # [ 63.273847] ksys_write+0x68/0xf0 # [ 63.277548] do_syscall_64+0x30/0x40 # [ 63.281538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.293393] RIP: 0033:0x7fcd3237c833 # [ 63.297383] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.318364] RSP: 002b:00007ffd32bfeec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.326823] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcd3237c833 # [ 63.334798] RDX: 000000000000001f RSI: 00007fcd3226f000 RDI: 0000000000000001 # [ 63.348987] RBP: 00007fcd3226f000 R08: 00007fcd3226e010 R09: 0000000000000000 # [ 63.363173] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.371176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.379172] irq event stamp: 0 # [ 63.382590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.395800] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.404976] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.414146] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.421170] ---[ end trace 0f84078a4422bd8e ]--- # [ 63.426327] 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 # [ 63.553639] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 63.563535] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 63.576847] ------------[ cut here ]------------ # [ 63.582009] refcount_t: underflow; use-after-free. # [ 63.587385] WARNING: CPU: 2 PID: 2302 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.596823] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.629455] CPU: 2 PID: 2302 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 63.638108] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.651133] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 63.657000] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 63.677983] RSP: 0018:ffff8fd9c2cdfe40 EFLAGS: 00010286 # [ 63.683823] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 63.691822] RDX: ffff897ebad2c660 RSI: ffff897ebad1bf70 RDI: ffff897ebad1bf70 # [ 63.706023] RBP: ffffffff862b3170 R08: 0000000000000000 R09: 0000000000000000 # [ 63.714007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.728181] R13: ffff8fd9c2cdff10 R14: ffff8fd9c2cdff10 R15: ffff897e429e3000 # [ 63.736151] FS: 00007fb68556a580(0000) GS:ffff897ebad00000(0000) knlGS:0000000000000000 # [ 63.745189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.751606] CR2: 00007fb685373000 CR3: 000000010541e002 CR4: 00000000003706e0 # [ 63.759575] Call Trace: # [ 63.762307] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 63.768465] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 63.774690] direct_entry.cold+0x2c/0x38 # [ 63.779094] full_proxy_write+0x53/0x80 # [ 63.783400] vfs_write+0xe7/0x3a0 # [ 63.787124] ksys_write+0x68/0xf0 # [ 63.790824] do_syscall_64+0x30/0x40 # [ 63.794814] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.800456] RIP: 0033:0x7fb685480833 # [ 63.804446] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.825428] RSP: 002b:00007ffec7eb7fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.833885] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb685480833 # [ 63.841857] RDX: 000000000000001f RSI: 00007fb685373000 RDI: 0000000000000001 # [ 63.849828] RBP: 00007fb685373000 R08: 00007fb685372010 R09: 0000000000000000 # [ 63.857799] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.865769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.873742] irq event stamp: 0 # [ 63.877175] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.890385] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.899523] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.908665] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.921876] ---[ end trace 0f84078a4422bd8f ]--- # [ 63.933246] 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 # [ 64.063170] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 64.075161] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 64.082315] lkdtm: Good: zero detected # [ 64.086509] lkdtm: Correctly stayed at zero # [ 64.097389] lkdtm: attempting bad refcount_inc() from zero # [ 64.103526] ------------[ cut here ]------------ # [ 64.108684] refcount_t: addition on 0; use-after-free. # [ 64.120656] WARNING: CPU: 3 PID: 2334 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 64.130095] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.162723] CPU: 3 PID: 2334 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 64.171373] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.178180] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 64.184016] Code: 01 01 e8 4a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 86 c6 05 8c f8 93 01 01 e8 27 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 # [ 64.204998] RSP: 0018:ffff8fd9c2d5fe48 EFLAGS: 00010286 # [ 64.210837] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 64.225024] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 64.239206] RBP: ffffffff862b3511 R08: 0000000000000000 R09: 0000000000000000 # [ 64.247178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.255148] R13: ffff8fd9c2d5ff10 R14: ffff8fd9c2d5ff10 R15: ffff897e440fc000 # [ 64.263120] FS: 00007f5f51f8b580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 64.272180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.278610] CR2: 00007f5f51d94000 CR3: 0000000105614005 CR4: 00000000003706e0 # [ 64.292787] Call Trace: # [ 64.295529] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 64.300501] direct_entry.cold+0x2c/0x38 # [ 64.311087] full_proxy_write+0x53/0x80 # [ 64.315394] vfs_write+0xe7/0x3a0 # [ 64.319125] ksys_write+0x68/0xf0 # [ 64.322827] do_syscall_64+0x30/0x40 # [ 64.326842] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.332484] RIP: 0033:0x7f5f51ea1833 # [ 64.336473] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.357459] RSP: 002b:00007ffc356193b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.365916] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5f51ea1833 # [ 64.373886] RDX: 0000000000000012 RSI: 00007f5f51d94000 RDI: 0000000000000001 # [ 64.381857] RBP: 00007f5f51d94000 R08: 00007f5f51d93010 R09: 0000000000000000 # [ 64.389827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.397798] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.405772] irq event stamp: 0 # [ 64.409204] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.422415] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.431571] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.440707] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.447708] ---[ end trace 0f84078a4422bd90 ]--- # [ 64.452863] 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 # [ 64.579295] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 64.588237] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 64.595367] lkdtm: Good: zero detected # [ 64.599555] lkdtm: Correctly stayed at zero # [ 64.610438] lkdtm: attempting bad refcount_add() from zero # [ 64.622781] ------------[ cut here ]------------ # [ 64.634153] refcount_t: addition on 0; use-after-free. # [ 64.639918] WARNING: CPU: 3 PID: 2366 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 64.649357] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.682014] CPU: 3 PID: 2366 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 64.690670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.703682] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 64.709526] Code: 01 01 e8 4a 75 95 00 0f 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 86 c6 05 8c f8 93 01 01 e8 27 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 # [ 64.736718] RSP: 0018:ffff8fd9c2dd7e48 EFLAGS: 00010286 # [ 64.742568] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 64.750540] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 64.758526] RBP: ffffffff862b3523 R08: 0000000000000000 R09: 0000000000000000 # [ 64.766496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.774482] R13: ffff8fd9c2dd7f10 R14: ffff8fd9c2dd7f10 R15: ffff897e40fdb000 # [ 64.782453] FS: 00007f4036d06580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 64.791510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.797939] CR2: 00007f4036b0f000 CR3: 000000010642c006 CR4: 00000000003706e0 # [ 64.812118] Call Trace: # [ 64.814847] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 64.819811] direct_entry.cold+0x2c/0x38 # [ 64.824193] full_proxy_write+0x53/0x80 # [ 64.828476] vfs_write+0xe7/0x3a0 # [ 64.832177] ksys_write+0x68/0xf0 # [ 64.835879] do_syscall_64+0x30/0x40 # [ 64.839894] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.845536] RIP: 0033:0x7f4036c1c833 # [ 64.849529] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.870519] RSP: 002b:00007ffc3aed87c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.885186] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4036c1c833 # [ 64.893160] RDX: 0000000000000012 RSI: 00007f4036b0f000 RDI: 0000000000000001 # [ 64.907346] RBP: 00007f4036b0f000 R08: 00007f4036b0e010 R09: 0000000000000000 # [ 64.915324] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.929526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.937524] irq event stamp: 0 # [ 64.947145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.954146] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.963283] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.972417] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.979417] ---[ end trace 0f84078a4422bd91 ]--- # [ 64.984573] 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 # [ 65.110201] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 65.120398] lkdtm: attempting bad refcount_inc() from saturated # [ 65.133224] ------------[ cut here ]------------ # [ 65.144593] refcount_t: saturated; leaking memory. # [ 65.156185] WARNING: CPU: 1 PID: 2401 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.171797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.204431] CPU: 1 PID: 2401 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 65.219299] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.232325] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 65.244376] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 # [ 65.271600] RSP: 0018:ffff8fd9c2e7fe48 EFLAGS: 00010286 # [ 65.283629] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 65.297811] RDX: ffff897ebacac660 RSI: ffff897ebac9bf70 RDI: ffff897ebac9bf70 # [ 65.311999] RBP: ffffffff862b3535 R08: 0000000000000000 R09: 0000000000000000 # [ 65.326187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.340372] R13: ffff8fd9c2e7ff10 R14: ffff8fd9c2e7ff10 R15: ffff897e427fd000 # [ 65.354578] FS: 00007f6e27eaf580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 # [ 65.369830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.382467] CR2: 00007f6e27cb8000 CR3: 0000000106504002 CR4: 00000000003706e0 # [ 65.396656] Call Trace: # [ 65.405605] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 65.417272] direct_entry.cold+0x2c/0x38 # [ 65.427868] full_proxy_write+0x53/0x80 # [ 65.438369] vfs_write+0xe7/0x3a0 # [ 65.448286] ksys_write+0x68/0xf0 # [ 65.458204] do_syscall_64+0x30/0x40 # [ 65.468412] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.480273] RIP: 0033:0x7f6e27dc5833 # [ 65.490481] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.517686] RSP: 002b:00007ffc001055b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.532361] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6e27dc5833 # [ 65.546552] RDX: 0000000000000017 RSI: 00007f6e27cb8000 RDI: 0000000000000001 # [ 65.560740] RBP: 00007f6e27cb8000 R08: 00007f6e27cb7010 R09: 0000000000000000 # [ 65.574933] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.589123] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.603320] irq event stamp: 0 # [ 65.612940] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.626160] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.641516] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.656867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.670085] ---[ end trace 0f84078a4422bd92 ]--- # [ 65.681455] 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 # [ 65.824261] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 65.837068] lkdtm: attempting bad refcount_dec() from saturated # [ 65.849893] ------------[ cut here ]------------ # [ 65.861282] refcount_t: decrement hit 0; leaking memory. # [ 65.873469] WARNING: CPU: 0 PID: 2436 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.889073] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.921725] CPU: 0 PID: 2436 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 65.936573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.949623] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.961642] Code: 58 ed 24 86 c6 05 1c f8 93 01 01 e8 ba 74 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 ed 24 86 c6 05 03 f8 93 01 01 e8 a0 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 # [ 65.988844] RSP: 0018:ffff8fd9c2f07e48 EFLAGS: 00010286 # [ 66.000874] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 66.015063] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 # [ 66.029243] RBP: ffffffff862b354c R08: 0000000000000000 R09: 0000000000000000 # [ 66.043436] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.057608] R13: ffff8fd9c2f07f10 R14: ffff8fd9c2f07f10 R15: ffff897e44210000 # [ 66.071813] FS: 00007f07f1257580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 66.087051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.099694] CR2: 00007f07f1060000 CR3: 0000000102984001 CR4: 00000000003706f0 # [ 66.113867] Call Trace: # [ 66.122832] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 66.134480] direct_entry.cold+0x2c/0x38 # [ 66.145090] full_proxy_write+0x53/0x80 # [ 66.155566] vfs_write+0xe7/0x3a0 # [ 66.165515] ksys_write+0x68/0xf0 # [ 66.175407] do_syscall_64+0x30/0x40 # [ 66.185620] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.197464] RIP: 0033:0x7f07f116d833 # [ 66.207704] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.234862] RSP: 002b:00007fffd8694398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.249531] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f07f116d833 # [ 66.263706] RDX: 0000000000000017 RSI: 00007f07f1060000 RDI: 0000000000000001 # [ 66.277900] RBP: 00007f07f1060000 R08: 00007f07f105f010 R09: 0000000000000000 # [ 66.292103] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.306290] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.320498] irq event stamp: 0 # [ 66.330124] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.343348] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.358691] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.374030] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.387240] ---[ end trace 0f84078a4422bd93 ]--- # [ 66.398612] 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 # [ 66.546055] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 66.554474] lkdtm: attempting bad refcount_dec() from saturated # [ 66.567301] ------------[ cut here ]------------ # [ 66.578668] refcount_t: saturated; leaking memory. # [ 66.590246] WARNING: CPU: 1 PID: 2471 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.605877] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.638538] CPU: 1 PID: 2471 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 66.653400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.660210] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.672255] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c0 f8 93 01 00 75 ee 48 c7 c7 a8 ec 24 86 c6 05 b0 f8 93 01 01 e8 4a 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9c f8 93 01 00 75 cb 48 c7 c7 d0 ec 24 # [ 66.699451] RSP: 0018:ffff8fd9c2fa7e48 EFLAGS: 00010286 # [ 66.711519] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 66.719522] RDX: ffff897ebacac660 RSI: ffff897ebac9bf70 RDI: ffff897ebac9bf70 # [ 66.733703] RBP: ffffffff862b3563 R08: 0000000000000000 R09: 0000000000000000 # [ 66.741676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.755856] R13: ffff8fd9c2fa7f10 R14: ffff8fd9c2fa7f10 R15: ffff897e43433000 # [ 66.763830] FS: 00007f4bee397580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 # [ 66.779081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.791714] CR2: 00007f4bee1a0000 CR3: 000000010362e005 CR4: 00000000003706e0 # [ 66.799690] Call Trace: # [ 66.808628] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 66.820292] direct_entry.cold+0x2c/0x38 # [ 66.830886] full_proxy_write+0x53/0x80 # [ 66.841382] vfs_write+0xe7/0x3a0 # [ 66.851296] ksys_write+0x68/0xf0 # [ 66.861210] do_syscall_64+0x30/0x40 # [ 66.871417] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.883272] RIP: 0033:0x7f4bee2ad833 # [ 66.893480] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.920682] RSP: 002b:00007ffe181d0948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.935361] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4bee2ad833 # [ 66.949550] RDX: 0000000000000017 RSI: 00007f4bee1a0000 RDI: 0000000000000001 # [ 66.963732] RBP: 00007f4bee1a0000 R08: 00007f4bee19f010 R09: 0000000000000000 # [ 66.977920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.992110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.006301] irq event stamp: 0 # [ 67.015920] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.029139] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.044494] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.059844] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.073059] ---[ end trace 0f84078a4422bd94 ]--- # [ 67.084431] 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 # [ 67.221408] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 67.234696] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 67.248396] ------------[ cut here ]------------ # [ 67.253582] refcount_t: saturated; leaking memory. # [ 67.258960] WARNING: CPU: 3 PID: 2503 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.268396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.301033] CPU: 3 PID: 2503 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 67.309715] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.316525] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.328576] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 # [ 67.349574] RSP: 0018:ffff8fd9c3037e38 EFLAGS: 00010282 # [ 67.355412] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.363382] RDX: ffff897ebadac660 RSI: ffff897ebad9bf70 RDI: ffff897ebad9bf70 # [ 67.371353] RBP: ffffffff862b3190 R08: 0000000000000000 R09: 0000000000000000 # [ 67.379324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.387295] R13: ffff8fd9c3037f10 R14: ffff8fd9c3037f10 R15: ffff897e46418000 # [ 67.395267] FS: 00007f2c2a0fa580(0000) GS:ffff897ebad80000(0000) knlGS:0000000000000000 # [ 67.404305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.410723] CR2: 00007f2c29f03000 CR3: 00000001036f6003 CR4: 00000000003706e0 # [ 67.418693] Call Trace: # [ 67.421424] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.427576] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 67.433897] direct_entry.cold+0x2c/0x38 # [ 67.438278] full_proxy_write+0x53/0x80 # [ 67.442587] vfs_write+0xe7/0x3a0 # [ 67.446311] ksys_write+0x68/0xf0 # [ 67.450012] do_syscall_64+0x30/0x40 # [ 67.454025] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.459666] RIP: 0033:0x7f2c2a010833 # [ 67.463658] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.484638] RSP: 002b:00007ffeff522048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.493096] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2c2a010833 # [ 67.501066] RDX: 0000000000000020 RSI: 00007f2c29f03000 RDI: 0000000000000001 # [ 67.509039] RBP: 00007f2c29f03000 R08: 00007f2c29f02010 R09: 0000000000000000 # [ 67.523224] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.537412] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.545388] irq event stamp: 0 # [ 67.548825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.555827] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.564963] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.574099] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.581099] ---[ end trace 0f84078a4422bd95 ]--- # [ 67.586254] 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 # [ 67.724466] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 67.736854] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 67.750595] ------------[ cut here ]------------ # [ 67.761960] refcount_t: saturated; leaking memory. # [ 67.767341] WARNING: CPU: 1 PID: 2535 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.782950] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.815591] CPU: 1 PID: 2535 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 67.830459] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.843481] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.855531] Code: 01 01 e8 27 75 95 00 0f 0b c3 cc cc cc cc 80 3d 7b f8 93 01 00 75 a8 48 c7 c7 a8 ec 24 86 c6 05 6b f8 93 01 01 e8 04 75 95 00 <0f> 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 # [ 67.882730] RSP: 0018:ffff8fd9c306fe38 EFLAGS: 00010282 # [ 67.894780] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.908965] RDX: ffff897ebacac660 RSI: ffff897ebac9bf70 RDI: ffff897ebac9bf70 # [ 67.916938] RBP: ffffffff862b31b0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.931118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.939091] R13: ffff8fd9c306ff10 R14: ffff8fd9c306ff10 R15: ffff897e434c0000 # [ 67.953272] FS: 00007fbf7c945580(0000) GS:ffff897ebac80000(0000) knlGS:0000000000000000 # [ 67.968527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.981162] CR2: 00007fbf7c74e000 CR3: 0000000106504001 CR4: 00000000003706e0 # [ 67.995351] Call Trace: # [ 68.004301] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.016646] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.029185] direct_entry.cold+0x2c/0x38 # [ 68.039784] full_proxy_write+0x53/0x80 # [ 68.050285] vfs_write+0xe7/0x3a0 # [ 68.060202] ksys_write+0x68/0xf0 # [ 68.070120] do_syscall_64+0x30/0x40 # [ 68.080329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.092188] RIP: 0033:0x7fbf7c85b833 # [ 68.102399] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.129605] RSP: 002b:00007fffba09f818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.144288] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbf7c85b833 # [ 68.158471] RDX: 0000000000000020 RSI: 00007fbf7c74e000 RDI: 0000000000000001 # [ 68.172657] RBP: 00007fbf7c74e000 R08: 00007fbf7c74d010 R09: 0000000000000000 # [ 68.186846] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.201035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.215230] irq event stamp: 0 # [ 68.224851] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.238068] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.253422] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.268771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.281988] ---[ end trace 0f84078a4422bd96 ]--- # [ 68.293358] 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 # [ 68.438947] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.449840] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.463615] ------------[ cut here ]------------ # [ 68.474935] refcount_t: underflow; use-after-free. # [ 68.486519] WARNING: CPU: 0 PID: 2570 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.502181] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.534785] CPU: 0 PID: 2570 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 68.549698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.562697] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.574804] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.601959] RSP: 0018:ffff8fd9c312fe40 EFLAGS: 00010286 # [ 68.614036] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 68.628204] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 # [ 68.642414] RBP: ffffffff862b31d0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.656581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.670783] R13: ffff8fd9c312ff10 R14: ffff8fd9c312ff10 R15: ffff897e44fde000 # [ 68.684954] FS: 00007fe789145580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 68.700215] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.712837] CR2: 00007fe788f4e000 CR3: 0000000102b2a006 CR4: 00000000003706f0 # [ 68.727030] Call Trace: # [ 68.735975] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.748332] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 68.760856] direct_entry.cold+0x2c/0x38 # [ 68.771450] full_proxy_write+0x53/0x80 # [ 68.781953] vfs_write+0xe7/0x3a0 # [ 68.791880] ksys_write+0x68/0xf0 # [ 68.801797] do_syscall_64+0x30/0x40 # [ 68.812014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.823855] RIP: 0033:0x7fe78905b833 # [ 68.834081] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.861274] RSP: 002b:00007ffc704f36c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.875999] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe78905b833 # [ 68.890142] RDX: 0000000000000020 RSI: 00007fe788f4e000 RDI: 0000000000000001 # [ 68.904351] RBP: 00007fe788f4e000 R08: 00007fe788f4d010 R09: 0000000000000000 # [ 68.918530] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.932720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.946909] irq event stamp: 0 # [ 68.956540] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.969756] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.985114] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.000485] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.013683] ---[ end trace 0f84078a4422bd97 ]--- # [ 69.025072] 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 # [ 69.171686] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.181614] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.195308] ------------[ cut here ]------------ # [ 69.206682] refcount_t: underflow; use-after-free. # [ 69.218285] WARNING: CPU: 0 PID: 2605 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.233915] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.266543] CPU: 0 PID: 2605 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 69.281421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.294501] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.306518] Code: 01 01 e8 04 75 95 00 0f 0b c3 cc cc cc cc 80 3d 55 f8 93 01 00 75 85 48 c7 c7 00 ed 24 86 c6 05 45 f8 93 01 01 e8 e1 74 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 f8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.333749] RSP: 0018:ffff8fd9c319fe40 EFLAGS: 00010286 # [ 69.345786] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 69.359973] RDX: ffff897ebac2c660 RSI: ffff897ebac1bf70 RDI: ffff897ebac1bf70 # [ 69.374139] RBP: ffffffff862b31f0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.388358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.402518] R13: ffff8fd9c319ff10 R14: ffff8fd9c319ff10 R15: ffff897e45406000 # [ 69.416730] FS: 00007fe8fa4c5580(0000) GS:ffff897ebac00000(0000) knlGS:0000000000000000 # [ 69.431965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.444609] CR2: 00007fe8fa2ce000 CR3: 0000000102f3a001 CR4: 00000000003706f0 # [ 69.458789] Call Trace: # [ 69.467748] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.480115] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 69.492688] direct_entry.cold+0x2c/0x38 # [ 69.503258] full_proxy_write+0x53/0x80 # [ 69.513815] vfs_write+0xe7/0x3a0 # [ 69.523725] ksys_write+0x68/0xf0 # [ 69.533726] do_syscall_64+0x30/0x40 # [ 69.543871] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.555833] RIP: 0033:0x7fe8fa3db833 # [ 69.565991] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.593213] RSP: 002b:00007ffe91795e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.607894] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe8fa3db833 # [ 69.622183] RDX: 0000000000000020 RSI: 00007fe8fa2ce000 RDI: 0000000000000001 # [ 69.636324] RBP: 00007fe8fa2ce000 R08: 00007fe8fa2cd010 R09: 0000000000000000 # [ 69.650538] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.664726] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.678971] irq event stamp: 0 # [ 69.688588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.701830] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.717205] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.732615] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.745809] ---[ end trace 0f84078a4422bd98 ]--- # [ 69.757185] 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 # [ 69.985309] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 69.993687] lkdtm: attempting good copy_to_user of correct size # [ 70.000320] 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 # [ 70.150794] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.163412] lkdtm: attempting good copy_from_user of correct size # [ 70.170242] 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 # [ 70.338962] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.352435] lkdtm: attempting good copy_to_user inside whitelist # [ 70.359189] 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 # [ 70.504451] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.516339] lkdtm: attempting good copy_from_user inside whitelist # [ 70.523258] 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 # [ 70.665764] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 70.673833] lkdtm: good_stack: ffff8fd9c356fe20-ffff8fd9c356fe40 # [ 70.680575] lkdtm: bad_stack : ffff8fd9c356fda8-ffff8fd9c356fdc8 # [ 70.687294] lkdtm: attempting good copy_to_user of local stack # [ 70.700038] 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 # [ 70.839719] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 70.850709] lkdtm: good_stack: ffff8fd9c35f7e20-ffff8fd9c35f7e40 # [ 70.857423] lkdtm: bad_stack : ffff8fd9c35f7da8-ffff8fd9c35f7dc8 # [ 70.870349] lkdtm: attempting good copy_from_user of local stack # [ 70.877098] 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 # [ 71.016176] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.027397] lkdtm: good_stack: ffff8fd9c3687e20-ffff8fd9c3687e40 # [ 71.040333] lkdtm: bad_stack : ffff8fd9c3687ff8-ffff8fd9c3688018 # [ 71.053291] lkdtm: attempting good copy_to_user of local stack # [ 71.065993] lkdtm: attempting bad copy_to_user of distant stack # [ 71.078801] 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 # [ 71.223700] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 71.233758] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff85ed1230 # [ 71.242443] lkdtm: attempting bad copy_to_user from kernel text: ffffffff84ae38b0 # [ 71.250834] 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 # [ 71.390422] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.399523] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.407413] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.421396] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.434319] CPU: 2 PID: 2970 Comm: cat Tainted: G D W 5.10.162-cip24 #1 # [ 71.442968] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.449771] Call Trace: # [ 71.452526] dump_stack+0x77/0x9b # [ 71.462437] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 71.467591] direct_entry.cold+0x2c/0x38 # [ 71.471968] full_proxy_write+0x53/0x80 # [ 71.476250] vfs_write+0xe7/0x3a0 # [ 71.479946] ksys_write+0x68/0xf0 # [ 71.483634] do_syscall_64+0x30/0x40 # [ 71.487613] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.493252] RIP: 0033:0x7fe11c6ba833 # [ 71.497239] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.518217] RSP: 002b:00007ffe0086c8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.526669] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe11c6ba833 # [ 71.534637] RDX: 0000000000000012 RSI: 00007fe11c5ad000 RDI: 0000000000000001 # [ 71.542604] RBP: 00007fe11c5ad000 R08: 00007fe11c5ac010 R09: 0000000000000000 # [ 71.550571] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.558538] 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 # [ 71.696579] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.703381] lkdtm: Calling matched prototype ... # [ 71.708539] lkdtm: Calling mismatched prototype ... # [ 71.714007] 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 / #