[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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 39017 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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 3. AP: slot 3 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 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 376228 run 170281 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8977 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 8967 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8974 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8975 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8976 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90980 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107776 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 14145 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 14158 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 22382 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 53529 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 11311 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9264 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 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 10035 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 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466125 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486231 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826094 exit 39225 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113548 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 230 run 139306 exit 19275 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 30880 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 6984 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2248 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5964 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2247 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2247 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23487 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23836 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2390 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_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24440 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-02-22 18:44:28 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-02-22 18:44:28 UTC ELOG: Event(92) added with size 9 at 2023-02-22 18:44:28 UTC ELOG: Event(9A) added with size 9 at 2023-02-22 18:44:28 UTC ELOG: Event(AD) added with size 10 at 2023-02-22 18:44:28 UTC ELOG: Event(9F) added with size 14 at 2023-02-22 18:44:28 UTC BS: BS_DEV_INIT times (us): entry 0 run 417034 exit 60006 ELOG: Event(A1) added with size 10 at 2023-02-22 18:44:28 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-22 18:44:28 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 25540 run 3969 exit 5200 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 7aac 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 537356 exit 146815 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() 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 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 602 run 261897 exit 135683 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 9283696/tftp-deploy-wzd2q15v/kernel/bzImage 9283696/tftp-deploy-wzd2q15v/kernel/cmdline 9283696/tftp-deploy-wzd2q15v/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9283696/tftp-deploy-wzd2q15v/kernel/bzImoy-wzd2q15v/kernel/cmdline 9283696/tftp-deploy-wzd2q15v/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:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 9283696/tftp-deploy-wzd2q15v/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 14295360 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: 9283696/tftp-deploy-wzd2q15v/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/9283696/extract-nfsrootfs-s4ua06ay,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: 21919352 Starting kernel ... [ 0.000000] Linux version 5.10.169-cip26 (KernelCI@build-j1085860-x86-64-gcc-10-x86-64-defconfig-x86-chromebogr96b) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Feb 22 18:34:03 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/9283696/extract-nfsrootfs-s4ua06ay,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 [ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001402] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007241] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.025950] check: Scanning 1 areas for low memory corruption [ 0.025963] Using GB pages for direct mapping [ 0.026777] RAMDISK: [mem 0x377b7000-0x37ffffff] [ 0.026785] ACPI: Early table checksum verification disabled [ 0.026794] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026808] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026833] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026850] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026863] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026875] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026887] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.026900] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026912] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026925] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.026937] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.026950] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026962] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.026975] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026987] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.026992] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.026997] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027002] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027007] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027012] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027017] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027021] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027026] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027031] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027036] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027041] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027181] No NUMA configuration found [ 0.027187] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027196] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027242] Zone ranges: [ 0.027247] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027255] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027263] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027270] Movable zone start for each node [ 0.027275] Early memory node ranges [ 0.027280] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027285] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027291] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027297] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027333] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027378] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038737] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.038829] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.038855] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039215] ACPI: PM-Timer IO Port: 0x1808 [ 0.039272] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039286] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039292] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039307] Using ACPI (MADT) for SMP configuration information [ 0.039314] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039321] TSC deadline timer available [ 0.039327] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039358] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039364] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039370] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039375] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039380] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039384] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039389] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039393] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039398] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039402] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039407] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039412] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039416] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039421] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039425] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039434] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039443] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054380] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054674] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054758] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054763] Policy zone: Normal [ 0.054779] 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/9283696/extract-nfsrootfs-s4ua06ay,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055335] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055603] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055697] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.077869] Memory: 3888300K/4089052K available (18450K kernel code, 3459K rwdata, 7984K rodata, 2012K init, 13324K bss, 200492K reserved, 0K cma-reserved) [ 0.078030] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078094] Kernel/User page tables isolation: enabled [ 0.078197] ftrace: allocating 52723 entries in 206 pages [ 0.137102] ftrace: allocated 206 pages with 5 groups [ 0.137408] Running RCU self tests [ 0.137424] rcu: Hierarchical RCU implementation. [ 0.137428] rcu: RCU event tracing is enabled. [ 0.137433] rcu: RCU lockdep checking is enabled. [ 0.137438] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.137443] Rude variant of Tasks RCU enabled. [ 0.137447] Tracing variant of Tasks RCU enabled. [ 0.137452] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.137457] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.147721] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.148211] random: crng init done [ 0.148323] Console: colour dummy device 80x25 [ 0.223598] printk: console [ttyS0] enabled [ 0.223967] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.224630] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.224991] ... MAX_LOCK_DEPTH: 48 [ 0.225359] ... MAX_LOCKDEP_KEYS: 8192 [ 0.225742] ... CLASSHASH_SIZE: 4096 [ 0.226125] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.226514] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.226904] ... CHAINHASH_SIZE: 32768 [ 0.227294] memory used by lock dependency info: 6365 kB [ 0.227763] memory used for stack traces: 4224 kB [ 0.228181] per task-struct memory footprint: 1920 bytes [ 0.228713] ACPI: Core revision 20200925 [ 0.229321] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.229822] APIC: Switch to symmetric I/O mode setup [ 0.234286] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.235209] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.236116] pid_max: default: 32768 minimum: 301 [ 0.236190] LSM: Security Framework initializing [ 0.236190] SELinux: Initializing. [ 0.236190] LSM support for eBPF active [ 0.236190] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.236190] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.236190] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.236190] process: using mwait in idle threads [ 0.236190] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.236190] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.236190] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.236190] Spectre V2 : Mitigation: IBRS [ 0.236190] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.236190] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.236190] RETBleed: Mitigation: IBRS [ 0.236190] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.236190] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.236190] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.236190] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.236190] SRBDS: Vulnerable: No microcode [ 0.236190] ------------[ cut here ]------------ [ 0.236190] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.236190] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.236190] Modules linked in: [ 0.236190] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.169-cip26 #1 [ 0.236190] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.236190] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.236190] 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 b0 fa de b8 c6 05 91 4a e4 01 01 e8 9d 63 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.236190] RSP: 0000:ffffffffb9003de0 EFLAGS: 00010282 [ 0.236190] RAX: 0000000000000000 RBX: ffffffffb9acf5d8 RCX: 0000000000000000 [ 0.236190] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb757aba1 [ 0.236190] RBP: ffffffffb8ad15a0 R08: 0000000000000001 R09: 0000000000000001 [ 0.236190] R10: ffffffffb908fec0 R11: 3fffffffffffffff R12: ffffffffb9ae65f8 [ 0.236190] R13: cccccccccccccccc R14: ffffffffb8ad15a5 R15: 0000000000000004 [ 0.236190] FS: 0000000000000000(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 0.236190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.236190] CR2: ffff8a17befff000 CR3: 0000000071c26001 CR4: 00000000003706f0 [ 0.236190] Call Trace: [ 0.236190] alternative_instructions+0x7d/0x143 [ 0.236190] check_bugs+0xece/0xf2a [ 0.236190] start_kernel+0x517/0x54d [ 0.236190] secondary_startup_64_no_verify+0xc2/0xcb [ 0.236190] irq event stamp: 162539 [ 0.236190] hardirqs last enabled at (162547): [] console_unlock+0x4d1/0x5f0 [ 0.236190] hardirqs last disabled at (162554): [] console_unlock+0x444/0x5f0 [ 0.236190] softirqs last enabled at (1824): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.236190] softirqs last disabled at (1822): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.236190] ---[ end trace 9424be860f81b6e1 ]--- [ 0.236190] Freeing SMP alternatives memory: 44K [ 0.236190] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.237124] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.237210] ... version: 4 [ 0.237569] ... bit width: 48 [ 0.237932] ... generic registers: 4 [ 0.238199] ... value mask: 0000ffffffffffff [ 0.238666] ... max period: 00007fffffffffff [ 0.239130] ... fixed-purpose events: 3 [ 0.239197] ... event mask: 000000070000000f [ 0.240347] rcu: Hierarchical SRCU implementation. [ 0.243277] smp: Bringing up secondary CPUs ... [ 0.244717] x86: Booting SMP configuration: [ 0.245115] .... node #0, CPUs: #1 [ 0.245717] 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. [ 0.247202] 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. [ 0.249086] #2 #3 [ 0.251893] smp: Brought up 1 node, 4 CPUs [ 0.252571] smpboot: Max logical packages: 1 [ 0.252952] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.255663] devtmpfs: initialized [ 0.256957] x86/mm: Memory block size: 128MB [ 0.262377] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.263222] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.264416] pinctrl core: initialized pinctrl subsystem [ 0.265388] PM: RTC time: 18:44:46, date: 2023-02-22 [ 0.266585] NET: Registered protocol family 16 [ 0.267970] audit: initializing netlink subsys (disabled) [ 0.268257] audit: type=2000 audit(1677091486.033:1): state=initialized audit_enabled=0 res=1 [ 0.269292] thermal_sys: Registered thermal governor 'step_wise' [ 0.269299] thermal_sys: Registered thermal governor 'user_space' [ 0.269954] cpuidle: using governor menu [ 0.270660] ACPI: bus type PCI registered [ 0.271666] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.272204] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.272833] PCI: Using configuration type 1 for base access [ 0.304308] Kprobes globally optimized [ 0.304692] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.305224] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.306041] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.309611] ACPI: Added _OSI(Module Device) [ 0.310210] ACPI: Added _OSI(Processor Device) [ 0.310607] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.311025] ACPI: Added _OSI(Processor Aggregator Device) [ 0.311214] ACPI: Added _OSI(Linux-Dell-Video) [ 0.311613] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.312082] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.329277] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.340822] ACPI: EC: EC started [ 0.341142] ACPI: EC: interrupt blocked [ 0.342251] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.342702] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.343199] ACPI: Interpreter enabled [ 0.343626] ACPI: (supports S0 S3 S4 S5) [ 0.343980] ACPI: Using IOAPIC for interrupt routing [ 0.344307] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.368959] ACPI: Power Resource [PRIC] (on) [ 0.505735] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.506212] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.507405] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.508098] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.509050] PCI host bridge to bus 0000:00 [ 0.509204] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.509796] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.510201] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.510850] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.511200] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.511849] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.512200] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.512847] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.513200] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.513849] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.514200] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.514848] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.515200] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.515849] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.516200] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.516847] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.517200] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.517848] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.518200] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.518848] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.519201] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.519793] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.521606] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.522160] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.522218] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.522854] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.524104] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.524230] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.525891] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.526230] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.527745] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.528245] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.529005] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.530281] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.530847] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.532150] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.532254] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.533967] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.534251] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.536010] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.536251] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.536873] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.538289] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.538864] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.540358] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.541118] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.542289] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.542862] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.544343] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.544918] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.546325] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.546891] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.548486] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.549056] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.550295] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.551900] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.552235] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.553846] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.554248] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.554901] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.555327] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.556910] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.557268] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.557934] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.559215] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.559775] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.561899] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.563141] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.567448] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.570500] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.570957] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.573018] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573591] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.574584] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.575585] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.576584] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.577586] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.578583] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579584] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.587924] ACPI: EC: interrupt unblocked [ 0.588198] ACPI: EC: event unblocked [ 0.588549] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.589001] ACPI: EC: GPE=0x6e [ 0.589209] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.589825] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.590778] iommu: Default domain type: Translated [ 0.591504] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.591841] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.592237] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.592741] vgaarb: loaded [ 0.593716] SCSI subsystem initialized [ 0.594483] ACPI: bus type USB registered [ 0.595008] usbcore: registered new interface driver usbfs [ 0.595276] usbcore: registered new interface driver hub [ 0.595792] usbcore: registered new device driver usb [ 0.596364] pps_core: LinuxPPS API ver. 1 registered [ 0.596802] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.597213] PTP clock support registered [ 0.598251] Advanced Linux Sound Architecture Driver Initialized. [ 0.600054] NetLabel: Initializing [ 0.600200] NetLabel: domain hash size = 128 [ 0.600587] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.601173] NetLabel: unlabeled traffic allowed by default [ 0.601359] PCI: Using ACPI for IRQ routing [ 0.609796] clocksource: Switched to clocksource tsc-early [ 1.124250] VFS: Disk quotas dquot_6.6.0 [ 1.124668] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.125813] pnp: PnP ACPI init [ 1.127192] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.127803] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.128408] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.128989] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.129592] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.130174] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.130807] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.131438] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.132020] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.132622] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.134476] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.135546] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.136437] system 00:04: [io 0x0200] has been reserved [ 1.136910] system 00:04: [io 0x0204] has been reserved [ 1.137407] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.137931] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.141980] pnp: PnP ACPI: found 6 devices [ 1.159887] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.160829] NET: Registered protocol family 2 [ 1.161428] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.164111] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.165162] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.166149] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.169082] TCP: Hash tables configured (established 32768 bind 32768) [ 1.170074] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.171089] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.172010] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.173132] NET: Registered protocol family 1 [ 1.174462] RPC: Registered named UNIX socket transport module. [ 1.175011] RPC: Registered udp transport module. [ 1.175451] RPC: Registered tcp transport module. [ 1.175869] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.177162] NET: Registered protocol family 44 [ 1.177607] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.178062] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.178690] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.179245] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.179785] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.180473] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.181070] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.181688] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.182307] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.182914] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.183536] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.184143] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.184818] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.185443] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.186050] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.186673] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.187298] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.187905] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.188528] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.189135] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.189773] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.190399] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.191006] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.192237] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.195621] PCI: CLS 64 bytes, default 64 [ 1.196481] Unpacking initramfs... [ 1.574780] Freeing initrd memory: 8484K [ 1.575245] DMAR: Host address width 39 [ 1.575626] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.576168] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.576919] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.577486] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.577991] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.578820] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.579400] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.580377] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.581062] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.581595] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.582090] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.582577] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.583073] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.585898] kvm: already loaded the other module [ 1.599725] check: Scanning for low memory corruption every 60 seconds [ 1.604581] Initialise system trusted keyrings [ 1.605272] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.632547] NFS: Registering the id_resolver key type [ 1.633046] Key type id_resolver registered [ 1.633474] Key type id_legacy registered [ 1.656733] Key type asymmetric registered [ 1.657134] Asymmetric key parser 'x509' registered [ 1.657660] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.658338] io scheduler mq-deadline registered [ 1.658742] io scheduler kyber registered [ 1.659439] test_firmware: interface ready [ 1.661853] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.664068] ACPI: AC Adapter [AC] (on-line) [ 1.664970] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.666969] ACPI: Lid Switch [LID0] [ 1.667677] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.668670] ACPI: Power Button [PWRF] [ 1.669605] ACPI: \_PR_.CP00: Found 3 idle states [ 1.670968] ACPI: \_PR_.CP01: Found 3 idle states [ 1.672234] ACPI: \_PR_.CP02: Found 3 idle states [ 1.673492] ACPI: \_PR_.CP03: Found 3 idle states [ 1.675613] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.679152] hpet_acpi_add: no address or irqs in _CRS [ 1.679936] Non-volatile memory driver v1.3 [ 1.680551] Linux agpgart interface v0.103 [ 1.681106] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.684672] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.737300] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.739082] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.766016] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.770835] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.793866] loop: module loaded [ 1.795275] lkdtm: No crash points registered, enable through debugfs [ 1.826800] printk: console [ttyS0] disabled [ 1.828439] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.634450] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.641247] printk: console [ttyS0] enabled [ 2.649738] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.673179] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.244646] clocksource: Switched to clocksource tsc [ 5.244853] fbcon: i915drmfb (fb0) is primary device [ 5.247494] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.257057] e100: Intel(R) PRO/100 Network Driver [ 5.257061] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.257139] e1000: Intel(R) PRO/1000 Network Driver [ 5.257141] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.257340] e1000e: Intel(R) PRO/1000 Network Driver [ 5.257343] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.257503] sky2: driver version 1.30 [ 5.257918] usbcore: registered new interface driver r8152 [ 5.258581] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.258616] ehci-pci: EHCI PCI platform driver [ 5.258721] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.258750] ohci-pci: OHCI PCI platform driver [ 5.258850] uhci_hcd: USB Universal Host Controller Interface driver [ 5.260456] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.260835] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.262388] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.263935] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.264009] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.267499] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.268133] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.268156] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.269053] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.269075] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.269080] usb usb1: Product: xHCI Host Controller [ 5.269084] usb usb1: Manufacturer: Linux 5.10.169-cip26 xhci-hcd [ 5.269088] usb usb1: SerialNumber: 0000:00:14.0 [ 5.272126] hub 1-0:1.0: USB hub found [ 5.272450] hub 1-0:1.0: 12 ports detected [ 5.278867] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.278873] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.278900] usb usb2: Product: xHCI Host Controller [ 5.278906] usb usb2: Manufacturer: Linux 5.10.169-cip26 xhci-hcd [ 5.278913] usb usb2: SerialNumber: 0000:00:14.0 [ 5.280663] hub 2-0:1.0: USB hub found [ 5.280740] hub 2-0:1.0: 6 ports detected [ 5.283639] usbcore: registered new interface driver usblp [ 5.283749] usbcore: registered new interface driver usb-storage [ 5.284427] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.284701] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.284705] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.285362] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.285505] i8042: Warning: Keylock active [ 5.285795] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.287316] Console: switching to colour frame buffer device 240x67 [ 5.288438] rtc_cmos 00:02: RTC can wake from S4 [ 5.291259] rtc_cmos 00:02: registered as rtc0 [ 5.291640] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.291810] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.293404] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.293458] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.294847] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.296878] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.296921] intel_pstate: Intel P-state driver initializing [ 5.297901] intel_pstate: HWP enabled [ 5.297938] sdhci: Secure Digital Host Controller Interface driver [ 5.297939] sdhci: Copyright(c) Pierre Ossman [ 5.297973] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.299127] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.299360] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.300782] hid: raw HID events driver (C) Jiri Kosina [ 5.301356] usbcore: registered new interface driver usbhid [ 5.301357] usbhid: USB HID core driver [ 5.301808] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.307222] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.317469] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.415235] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.420438] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.520247] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.532918] netem: version 1.3 [ 5.664423] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.668172] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.674286] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.674448] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.678778] IPv4 over IPsec tunneling driver [ 5.734483] mmc0: new HS400 MMC card at address 0001 [ 5.745237] Initializing XFRM netlink socket [ 5.752260] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.758982] NET: Registered protocol family 10 [ 5.771434] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.782174] Segment Routing with IPv6 [ 5.788818] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.792818] NET: Registered protocol family 17 [ 5.801491] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.807587] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.810263] Key type dns_resolver registered [ 5.833019] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.849780] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.851413] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.857182] microcode: Microcode Update Driver: v2.2. [ 5.861272] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.861517] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.867881] IPI shorthand broadcast: enabled [ 5.867925] sched_clock: Marking stable (5780848916, 87022465)->(5985298193, -117426812) [ 5.872857] usb 2-3: Product: USB 10/100/1000 LAN [ 5.893917] registered taskstats version 1 [ 5.900031] usb 2-3: Manufacturer: Realtek [ 5.900034] usb 2-3: SerialNumber: 001000001 [ 5.969343] Loading compiled-in X.509 certificates [ 5.976579] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.986458] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.995976] PM: Magic number: 11:223:747 [ 6.000761] printk: console [netcon0] enabled [ 6.005638] netconsole: network logging started [ 6.021433] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.190423] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.199651] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.207657] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.213039] usb 1-9: Manufacturer: Azurewave [ 6.217837] usb 1-9: SerialNumber: 0x0001 [ 6.230771] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.273096] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.318852] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.355405] r8152 2-3:1.0 eth0: v1.11.11 [ 6.360896] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.005398] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.005804] r8152 2-3:1.0 eth0: carrier on [ 8.018282] Sending DHCP requests .., OK [ 10.776859] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 [ 10.785856] IP-Config: Complete: [ 10.789501] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 [ 10.801226] host=asus-C433TA-AJ0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) [ 10.810483] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.810487] nameserver0=192.168.201.1 [ 10.823362] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.834959] modprobe (99) used greatest stack depth: 14208 bytes left [ 10.838151] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.842192] modprobe (100) used greatest stack depth: 14120 bytes left [ 10.849795] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.850297] ALSA device list: [ 10.850302] No soundcards found. [ 10.873725] cfg80211: failed to load regulatory.db [ 10.879404] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.889414] Freeing unused kernel image (initmem) memory: 2012K [ 10.907512] Write protecting the kernel read-only data: 28672k [ 10.915241] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.922908] Freeing unused kernel image (rodata/data gap) memory: 208K [ 10.930312] Run /init as init process Loading, please wait... [ 10.942862] cat (114) used greatest stack depth: 14016 bytes left Starting version 247.3-7+deb11u1 [ 10.952573] systemd-udevd (122) used greatest stack depth: 13576 bytes left [ 11.155969] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 11.165295] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.200997] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.253130] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.264608] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.275222] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.289123] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.299785] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.309929] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address:[ 11.383668] ipconfig (162) used greatest stack depth: 13464 bytes left 192.168.201.15 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-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 11.537965] nfsmount (163) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 12.788972] 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) [ 12.827512] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.856015] systemd[1]: Set hostname to . [ 13.336381] systemd[1]: Queued start job for default target Graphical Interface. [ 13.347797] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.364903] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.380857] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.397845] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.413768] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.432642] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.454346] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.477603] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.493508] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.504457] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.520544] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.531466] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.542802] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.560395] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.576564] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.592923] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.608479] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.627457] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.643907] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.661458] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.678069] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.696871] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.712861] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.741393] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.763212] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.780249] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.794067] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.835226] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.835348] fuse: init (API version 7.32) [ 13.851501] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.866809] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.880085] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.899284] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.918244] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.933578] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 13.950535] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 13.966470] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 13.982470] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 14.004172] systemd[1]: modprobe@configfs.service: Succeeded. [ 14.011209] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.028356] systemd[1]: modprobe@drm.service: Succeeded. [ 14.035123] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.052314] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.059229] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.075422] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 14.089179] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 14.106833] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ 14.183364] systemd-journald[198]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 15.702877] systemd-tmpfile (209) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ 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 Service. Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started 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 ] 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 5.10.169-cip26 #1 SMP Wed Feb 22 18:34:03 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/9283696/extract-nfsrootfs-s4ua06ay' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9283696/extract-nfsrootfs-s4ua06ay' / # 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-9283696/environment . /lava-9283696/environment / # /lava-9283696/bin/lava-test-runner /lava-9283696/0 /lava-9283696/bin/lava-test-runner /lava-9283696/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9283696/0/tests/0_timesync-off ++ cat uuid + UUID=9283696_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-9283696/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9283696_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.167-cip26-192-ga2cd4acb16b2/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9283696/0/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: install_deps skipped --2023-02-22 18:45:06-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.167-cip26-192-ga2cd4acb16b2/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: 3322000 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 159KB/s kselftest.tar.xz 6%[> ] 214.67K 339KB/s kselftest.tar.xz 25%[====> ] 821.30K 699KB/s kselftest.tar.xz 80%[===============> ] 2.57M 1.79MB/s kselftest.tar.xz 100%[===================>] 3.17M 1.98MB/s in 1.6s 2023-02-22 18:45:08 (1.98 MB/s) - 'kselftest.tar.xz' saved [3322000/3322000] 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 =============== [ 32.014544] 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 [ 32.222367] lkdtm: Performing direct entry BUG [ 32.227425] ------------[ cut here ]------------ [ 32.232772] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 32.238638] invalid opcode: 0000 [#1] SMP PTI [ 32.243511] CPU: 1 PID: 640 Comm: cat Tainted: G W 5.10.169-cip26 #1 [ 32.252068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.258887] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.263271] Code: 89 ff e8 de 60 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 00 39 92 02 [ 32.284243] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 32.290077] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.298046] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 32.306016] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 32.313984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.321952] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 32.329921] FS: 00007f3cb9580580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 32.338948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.345363] CR2: 00007f3cb9389000 CR3: 00000001037e6004 CR4: 00000000003706e0 [ 32.353324] Call Trace: [ 32.356043] direct_entry.cold+0x2c/0x38 [ 32.360425] full_proxy_write+0x53/0x80 [ 32.364713] vfs_write+0xe7/0x3a0 [ 32.368411] ksys_write+0x68/0xf0 [ 32.372129] do_syscall_64+0x30/0x40 [ 32.376118] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.381758] RIP: 0033:0x7f3cb9496833 [ 32.385746] 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 [ 32.406717] RSP: 002b:00007ffd43f0b3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.415193] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3cb9496833 [ 32.423160] RDX: 0000000000000004 RSI: 00007f3cb9389000 RDI: 0000000000000001 [ 32.431131] RBP: 00007f3cb9389000 R08: 00007f3cb9388010 R09: 0000000000000000 [ 32.439098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.447066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.455040] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 32.481524] ---[ end trace 9424be860f81b6e3 ]--- [ 32.486692] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.491081] Code: 89 ff e8 de 60 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 00 39 92 02 [ 32.512072] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 32.517933] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.525934] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 32.533937] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 32.541939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.549941] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 32.557966] FS: 00007f3cb9580580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 32.567019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.573454] CR2: 00007f3cb9389000 CR3: 00000001037e6004 CR4: 00000000003706e0 # Segmentation fault # [ 32.222367] lkdtm: Performing direct entry BUG # [ 32.227425] ------------[ cut here ]------------ # [ 32.232772] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.238638] invalid opcode: 0000 [#1] SMP PTI # [ 32.243511] CPU: 1 PID: 640 Comm: cat Tainted: G W 5.10.169-cip26 #1 # [ 32.252068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.258887] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.263271] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 32.284243] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 32.290077] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.298046] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad111[ 32.678705] lkdtm: Performing direct entry WARNING 0 # [ 32.306016] RBP: ffffffffb8f0d628 R08: 0000000000000001 [ 32.686828] ------------[ cut here ]------------ R09: 0000000000000001 # [ 32.313984] R10: 00000000ffffe000 R1[ 32.698198] WARNING: CPU: 0 PID: 676 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 1: 3fffffffffffffff R12: 0000000000000004 # [ 32.321952] R13:[ 32.713861] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 #[ 32.746503] CPU: 0 PID: 676 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 32.329921] FS: 00007f3cb9580580(0000) GS:ffff8a17bac80000([ 32.761264] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000) knlGS:0000000000000000 # [ 32.338948] CS: 0010 DS: 000[ 32.774286] RIP: 0010:lkdtm_WARNING+0x13/0x20 0 ES: 0000 CR0: 0000000080050033 # [ 32.345363] CR2: 00007f3c[ 32.785360] 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 00 39 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 e1 38 b9389000 CR3: 00000001037e6004 CR4: 00000000003706e0 # [ 32.3[ 32.812609] RSP: 0018:ffff9c92c1387e60 EFLAGS: 00010202 53324] Call Trace: # [ 32.356043] direct_entry.cold+0x2c/0x3[ 32.824636] RAX: ffffffffb7ce4d60 RBX: 0000000000000002 RCX: 0000000000000000 8 # [ 32.360425] full_proxy_write+0x53/0x80 # [ 32.364713[ 32.838850] RDX: 0000000000000000 RSI: ffff8a17bac1bf70 RDI: ffffffffb8ad1120 ] vfs_write+0xe7/0x3a0 # [ 32.368411] ksys_write+0x68/0xf0 [ 32.853047] RBP: ffffffffb8eb1e77 R08: 0000000000000000 R09: 0000000000000000 # [ 32.372129] do_syscall_64+0x30/0x40 # [ 32.376118] en[ 32.867195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 try_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.381758] RIP: 00[ 32.881370] R13: ffff9c92c1387f10 R14: ffff9c92c1387f10 R15: ffff8a1743e61000 33:0x7f3cb9496833 # [ 32.385746] Code: 8b 15 61 26 0e 00 f7 d[ 32.895564] FS: 00007f9955867580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 32.910812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 32.923458] CR2: 00007f9955670000 CR3: 0000000103ed2005 CR4: 00000000003706f0 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.406717] RS[ 32.937639] Call Trace: P: 002b:00007ffd43f0b3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 32.946613] direct_entry.cold+0x2c/0x38 0001 # [ 32.415193] RAX: ffffffffffffffda RBX: 00000000000000[ 32.957185] full_proxy_write+0x53/0x80 04 RCX: 00007f3cb9496833 # [ 32.423160] RDX: 0000000000000004[ 32.967686] vfs_write+0xe7/0x3a0 RSI: 00007f3cb9389000 RDI: 0000000000000001 # [ 32.431131] R[ 32.977600] ksys_write+0x68/0xf0 BP: 00007f3cb9389000 R08: 00007f3cb9388010 R09: 0000000000000000[ 32.987525] do_syscall_64+0x30/0x40 # [ 32.439098] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 32.997755] entry_SYSCALL_64_after_hwframe+0x61/0xc6 12: 0000000000000001 # [ 32.447066] R13: 0000000000000001 R14[ 33.009582] RIP: 0033:0x7f995577d833 : 0000000000020000 R15: 0000000000020000 # [ 32.455040] Modul[ 33.019805] 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 es linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_cor[ 33.046993] RSP: 002b:00007fff923c3ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e industrialio_triggered_buffer kfifo_buf industrialio cros_ec_s[ 33.061661] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f995577d833 ysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_se[ 33.075848] RDX: 0000000000000008 RSI: 00007f9955670000 RDI: 0000000000000001 nsorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 33.090047] RBP: 00007f9955670000 R08: 00007f995566f010 R09: 0000000000000000 32.481524] ---[ end trace 9424be860f81b6e3 ]--- # [ 32.4866[ 33.104225] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 92] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.491081] Code: 89 ff e[ 33.118413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 de 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3[ 33.132607] irq event stamp: 0 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 6[ 33.142259] hardirqs last enabled at (0): [<0000000000000000>] 0x0 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 39 92 02 # [ [ 33.155450] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 32.512072] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ [ 33.170817] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 32.517933] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000[ 33.186157] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000000000 # [ 32.525934] RDX: 0000000000000000 RSI: ffff8a[ 33.199372] ---[ end trace 9424be860f81b6e4 ]--- 17bac9bf70 RDI: ffffffffb8ad1110 # [ 32.533937] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 32.541939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.549941] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 32.557966] FS: 00007f3cb9580580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 32.567019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.573454] CR2: 00007f3cb9389000 CR3: 00000001037e6004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 32.678705] lkdtm: Performing direct entry WARNING # [ 32.686828] ------------[ cut here ]------------ # [ 32.698198] WARNING: CPU: 0 PID: 676 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 32.713861] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 33.300919] lkdtm: Performing direct entry WARNING_MESSAGE [ 33.310081] ------------[ cut here ]------------ [ 33.315247] Warning message trigger count: 2 [ 33.320050] WARNING: CPU: 2 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 fo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightb[ 33.330263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 33.362893] CPU: 2 PID: 711 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 33.371448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.378255] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 33.383896] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 38 92 02 48 c7 c7 d8 23 eb b8 8d 70 01 89 35 d1 38 92 02 e8 a2 aa 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 33.404879] RSP: 0018:ffff9c92c1417e60 EFLAGS: 00010286 [ 33.410714] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 33.418686] RDX: ffff8a17bad2c660 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 [ 33.426660] RBP: ffffffffb8eb1e7f R08: 0000000000000000 R09: 0000000000000000 [ 33.434630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 33.442601] R13: ffff9c92c1417f10 R14: ffff9c92c1417f10 R15: ffff8a1743f33000 [ 33.450571] FS: 00007f0e0042c580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 33.459610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.466027] CR2: 00007f0e00235000 CR3: 0000000103e72006 CR4: 00000000003706e0 ar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_e[ 33.474001] Call Trace: c_dev cros_usbpd_notify # [ 32.746503] CPU: 0 PID: 676 Comm: [ 33.482948] direct_entry.cold+0x2c/0x38 cat Tainted: G D W 5.10.169-cip26 #1 # [ 32.7612[ 33.493547] full_proxy_write+0x53/0x80 64] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 33.504043] vfs_write+0xe7/0x3a0 [ 33.513955] ksys_write+0x68/0xf0 [ 33.517681] do_syscall_64+0x30/0x40 [ 33.521674] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.527319] RIP: 0033:0x7f0e00342833 [ 33.531333] 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 [ 33.552339] RSP: 002b:00007ffd6d6f2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 32.774286] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 32.785360] [ 33.560811] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0e00342833 [ 33.574985] RDX: 0000000000000010 RSI: 00007f0e00235000 RDI: 0000000000000001 [ 33.582957] RBP: 00007f0e00235000 R08: 00007f0e00234010 R09: 0000000000000000 [ 33.590928] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.598898] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.606876] irq event stamp: 0 [ 33.610314] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.617316] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 33.626453] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 33.635589] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.642589] ---[ end trace 9424be860f81b6e5 ]--- 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 00 39 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 e1 38 # [ 32.812609] RSP: 0018:ffff9c92c1387e60 EFLAGS: 00010202 # [ 32.824636] RAX: ffffffffb7ce4d60 RBX: 0000000000000002 RCX: 0000000000000000 # [ 32.838850] RDX: 0000000000000000 RSI: ffff8a17bac1bf70 RDI: ffffffffb8ad1120 # [ 32.853047] RBP: ffffffffb8eb1e77 R08: 0000000000000000 R09: 0000000000000000 # [ 32.867195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 32.881370] R13: ffff9c92c1387f10 R14: ffff9c92c1387f10 R15: ffff8a1743e61000 # [ 32.895564] FS: 00007f9955867580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 # [ 32.910812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.923458] CR2: 00007f9955670000 CR3: 0000000103ed2005 CR4: 00000000003706f0 # [ 32.937639] Call Trace: [ 33.738944] lkdtm: Performing direct entry EXCEPTION [ 33.746596] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 33.754389] #PF: supervisor write access in kernel mode [ 33.760233] #PF: error_code(0x0002) - not-present page [ 33.765972] PGD 0 P4D 0 [ 33.768801] Oops: 0002 [#2] SMP PTI [ 33.772694] CPU: 3 PID: 743 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 33.781248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.788045] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 33.793003] Code: 48 c7 c7 d8 23 eb b8 8d 70 01 89 35 d1 38 92 02 e8 a2 aa 62 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 [ 33.813983] RSP: 0018:ffff9c92c149fe60 EFLAGS: 00010282 [ 33.819806] RAX: ffffffffb7ce4db0 RBX: 0000000000000004 RCX: 0000000000000000 [ 33.827774] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffffffffb8ad1140 [ 33.835745] RBP: ffffffffb8de6c47 R08: 0000000000000000 R09: 0000000000000000 [ 33.843714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 33.851682] R13: ffff9c92c149ff10 R14: ffff9c92c149ff10 R15: ffff8a174622f000 [ 33.859651] FS: 00007fe543c36580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 33.868688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.875101] CR2: 0000000000000000 CR3: 00000001055a2003 CR4: 00000000003706e0 [ 33.883069] Call Trace: [ 33.885797] direct_entry.cold+0x2c/0x38 [ 33.890176] full_proxy_write+0x53/0x80 [ 33.894459] vfs_write+0xe7/0x3a0 # [ 32.946613] direct_entry.cold+0x2c/0x38 # [ 32.957185] [ 33.898157] ksys_write+0x68/0xf0 [ 33.908068] do_syscall_64+0x30/0x40 full_proxy_write+0x53/0x80 # [ 32.967686] vfs_write+0xe7/0x[ 33.912058] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.923908] RIP: 0033:0x7fe543b4c833 [ 33.927895] 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 [ 33.948875] RSP: 002b:00007ffc4c0c89c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.957321] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe543b4c833 [ 33.965287] RDX: 000000000000000a RSI: 00007fe543a3f000 RDI: 0000000000000001 [ 33.973255] RBP: 00007fe543a3f000 R08: 00007fe543a3e010 R09: 0000000000000000 [ 33.981221] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.989189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.997160] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3a0 # [ 32.977600] ksys_write+0x68/0xf0 # [ 32.987525] d[ 34.023614] CR2: 0000000000000000 [ 34.033524] ---[ end trace 9424be860f81b6e6 ]--- [ 34.038669] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.043036] Code: 89 ff e8 de 60 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 00 39 92 02 [ 34.064015] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 34.069850] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.077813] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 34.085788] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 34.093763] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.101738] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 34.109714] FS: 00007fe543c36580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 34.118751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.125165] CR2: 0000000000000000 CR3: 00000001055a2003 CR4: 00000000003706e0 [ 34.133132] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.143042] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 743, name: cat [ 34.151398] INFO: lockdep is turned off. [ 34.155773] irq event stamp: 0 [ 34.159177] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.166177] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 34.175309] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 34.184441] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.191449] CPU: 3 PID: 743 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 34.199998] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.206801] Call Trace: [ 34.209529] dump_stack+0x77/0x9b [ 34.213227] ___might_sleep.cold+0xa6/0xb6 [ 34.217798] exit_signals+0x1c/0x2e0 [ 34.221785] do_exit+0xc2/0xaf0 [ 34.225288] ? ksys_write+0x68/0xf0 [ 34.229180] make_task_dead+0x2f/0x30 [ 34.233265] rewind_stack_and_make_dead+0x17/0x20 [ 34.238506] RIP: 0033:0x7fe543b4c833 [ 34.242494] 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 [ 34.263465] RSP: 002b:00007ffc4c0c89c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.271919] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe543b4c833 [ 34.279885] RDX: 000000000000000a RSI: 00007fe543a3f000 RDI: 0000000000000001 [ 34.287854] RBP: 00007fe543a3f000 R08: 00007fe543a3e010 R09: 0000000000000000 [ 34.295821] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.303789] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 o_syscall_64+0x30/0x40 # [ 32.997755] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.009582] RIP: 0033:0x7f995577d833 # [ 33.019805] 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 # [ 33.046993] RSP: 002b:00007fff923c3ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.061661] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f995577d833 # [ 33.075848] RDX: 0000000000000008 RSI: 00007f9955670000 RDI: 0000000000000001 # [ 33.090047] RBP: 00007f9955670000 R08: 00007f995566f010 R09: 0000000000000000 # [ 33.104225] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.118413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.132607] irq event stamp: 0 # [ 33.142259] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.155450] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.170817] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.186157] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.199372] ---[ end trace 9424be860f81b6e4 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.300919] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.310081] ------------[ cut here ]------------ # [ 33.315247] Warning message trigger count: 2 # [ 33.320050] WARNING: CPU: 2 PID: 711 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.330263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.362893] CPU: 2 PID: 711 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 33.371448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.378255] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.383896] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 38 92 02 48 c7 c7 d8 23 eb b8 8d 70 01 89 35 d1 38 92 02 e8 a2 aa 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 33.404879] RSP: 0018:ffff9c92c1417e60 EFLAGS: 00010286 # [ 33.410714] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 33.418686] RDX: ffff8a17bad2c660 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 # [ 33.426660] RBP: ffffffffb8eb1e7f R08: 0000000000000000 R09: 0000000000000000 # [ 33.434630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.442601] R13: ffff9c92c1417f10 R14: ffff9c92c1417f10 R15: ffff8a1743f33000 # [ 33.450571] FS: 00007f0e0042c580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 33.459610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.466027] CR2: 00007f0e00235000 CR3: 0000000103e72006 CR4: 00000000003706e0 # [ 33.474001] Call T[ 34.613539] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 34.622612] lkdtm: attempting good list addition [ 34.627781] lkdtm: attempting corrupted list addition race: # [ 33.482948] direct_entry.cold+0x2c/0x38 # [ 33.4[ 34.633436] lkdtm: list_add() corruption not detected! 93547] full_proxy_write+0x53/0x80 # [ 33.504043] vfs_write+0xe7/0x3a0 # [ 33.513955] ksys_write+0x68/0xf0 # [ 33.517681] do_syscall_64+0x30/0x40 # [ 33.521674] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.527319] RIP: 0033:0x7f0e00342833 # [ 33.531333] 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 # [ 33.552339] RSP: 002b:00007ffd6d6f2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.560811] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0e00342833 # [ 33.574985] RDX: 0000000000000010 RSI: 00007f0e00235000 RDI: 0000000000000001 # [ 33.582957] RBP: 00007f0e00235000 R08: 00007f0e00234010 R09: 0000000000000000 # [ 33.590928] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.598898] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.606876] irq event stamp: 0 # [ 33.610314] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.617316] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.626453] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.635589] softirqs last disabled at (0): [<00[ 34.769897] lkdtm: Performing direct entry CORRUPT_LIST_DEL 00000000000000>] 0x0 # [ 33.642589] ---[ end trace 9424be860f[ 34.782169] lkdtm: attempting good list removal 81b6e5 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 [ 34.793451] lkdtm: attempting corrupted list removal selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPT[ 34.805207] lkdtm: list_del() corruption not detected! ION.sh # Killed # [ 33.738944] lkdtm: Performing direct entry EXCEPTION # [ 33.746596] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 33.754389] #PF: supervisor write access in kernel mode # [ 33.760233] #PF: error_code(0x0002) - not-present page # [ 33.765972] PGD 0 P4D 0 # [ 33.768801] Oops: 0002 [#2] SMP PTI # [ 33.772694] CPU: 3 PID: 743 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 33.781248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.788045] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 33.793003] Code: 48 c7 c7 d8 23 eb b8 8d 70 01 89 35 d1 38 92 02 e8 a2 aa 62 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 # [ 33.813983] RSP: 0018:ffff9c92c149fe60 EFLAGS: 00010282 # [ 33.819806] RAX: ffffffffb7ce4db0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 33.827774] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffffffffb8ad1140 # [ 33.835745] RBP: ffffffffb8de6c47 R08: 0000000000000000 R09: 0000[ 34.916968] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 34.929936] lkdtm: attempting bad read from page below current stack [ 34.937099] BUG: stack guard page was hit at 000000009e6cebcb (stack is 00000000f158060b..000000005cc07e23) 000000000000 # [ 33.843714] R10: 00000000ffffe000 R11: 3fffff[ 34.947997] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 34.961013] CPU: 3 PID: 968 Comm: cat Tainted: G D W 5.10.169-cip26 #1 ffffffffff R12: 000000000000000a # [ 33.851682] R13: ffff9c92[ 34.969566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.982586] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 34.989096] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 27 eb b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 b8 27 eb b8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 [ 35.010076] RSP: 0018:ffff9c92c17ffe50 EFLAGS: 00010246 [ 35.015900] RAX: 0000000000000038 RBX: ffff9c92c17fc000 RCX: 0000000000000000 [ 35.023868] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffffffffb8eb27b8 [ 35.031836] RBP: ffffffffb8eb1ee2 R08: 0000000000000000 R09: 0000000000000000 [ 35.039805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 35.047778] R13: ffff9c92c17fff10 R14: ffff9c92c17fff10 R15: ffff8a1744091000 [ 35.055754] FS: 00007f9719d31580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 35.064791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.071205] CR2: ffff9c92c17fbfff CR3: 0000000103f0a004 CR4: 00000000003706e0 [ 35.079172] Call Trace: [ 35.081899] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 35.086955] direct_entry.cold+0x2c/0x38 [ 35.091333] full_proxy_write+0x53/0x80 [ 35.095628] vfs_write+0xe7/0x3a0 [ 35.099357] ksys_write+0x68/0xf0 [ 35.103047] do_syscall_64+0x30/0x40 [ 35.107036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.112674] RIP: 0033:0x7f9719c47833 [ 35.116661] 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 [ 35.137640] RSP: 002b:00007ffc0fd25788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.146094] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9719c47833 [ 35.154062] RDX: 0000000000000019 RSI: 00007f9719b3a000 RDI: 0000000000000001 [ 35.162031] RBP: 00007f9719b3a000 R08: 00007f9719b39010 R09: 0000000000000000 [ 35.169998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.177965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 35.185939] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c149ff10 R14: ffff9c92c149ff10 R15: ffff8a174622f000 # [ 33.8[ 35.212400] ---[ end trace 9424be860f81b6e7 ]--- [ 35.223766] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.228132] Code: 89 ff e8 de 60 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 00 39 92 02 [ 35.249115] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 35.254971] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.262939] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 35.270907] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 35.278874] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.286843] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 35.294812] FS: 00007f9719d31580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 35.303850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.310265] CR2: ffff9c92c17fbfff CR3: 0000000103f0a004 CR4: 00000000003706e0 [ 35.318234] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.328146] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 968, name: cat [ 35.336502] INFO: lockdep is turned off. [ 35.340902] irq event stamp: 0 [ 35.344307] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.351305] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 35.360441] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.369574] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.376572] CPU: 3 PID: 968 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 35.385115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.391917] Call Trace: [ 35.394643] dump_stack+0x77/0x9b [ 35.398334] ___might_sleep.cold+0xa6/0xb6 [ 35.402905] exit_signals+0x1c/0x2e0 [ 35.406885] do_exit+0xc2/0xaf0 [ 35.410387] ? ksys_write+0x68/0xf0 [ 35.414278] make_task_dead+0x2f/0x30 [ 35.418355] rewind_stack_and_make_dead+0x17/0x20 [ 35.423603] RIP: 0033:0x7f9719c47833 [ 35.427592] 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 [ 35.448572] RSP: 002b:00007ffc0fd25788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.457025] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9719c47833 [ 35.464992] RDX: 0000000000000019 RSI: 00007f9719b3a000 RDI: 0000000000000001 [ 35.472959] RBP: 00007f9719b3a000 R08: 00007f9719b39010 R09: 0000000000000000 [ 35.480926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.488895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59651] FS: 00007fe543c36580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 33.868688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.875101] CR2: 0000000000000000 CR3: 00000001055a2003 CR4: 00000000003706e0 # [ 33.883069] Call Trace: # [ 33.885797] direct_entry.cold+0x2c/0x38 # [ 33.890176] full_proxy_write+0x53/0x80 # [ 33.894459] vfs_write+0xe7/0x3a0 # [ 33.898157] ksys_write+0x68/0xf0 # [ 33.908068] do_syscall_64+0x30/0x40 # [ 33.912058] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.923908] RIP: 0033:0x7fe543b4c833 # [ 33.927895] 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 # [ 33.948875] RSP: 002b:00007ffc4c0c89c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.957321] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe543b4c833 # [ 33.965287] RDX: 000000000000000a RSI: 00007fe543a3f000 RDI: 0000000000000001 # [ 33.973255] RBP: 00007[ 35.602350] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING fe543a3f000 R08: 00007fe543a3e010 R09: 0000000000000000 # [ 3[ 35.609686] lkdtm: attempting bad read from page above current stack 3.981221] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000[ 35.623018] BUG: stack guard page was hit at 00000000da57702b (stack is 0000000013660ba5..00000000d6f996f7) [ 35.640089] kernel stack overflow (page fault): 0000 [#4] SMP PTI 00000000001 # [ 33.989189] R13: 0000000000000001 R14: 0000000[ 35.646895] CPU: 1 PID: 1001 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 35.661754] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00[0020000 R15: 0000000000020000 # [ 33.997160] Modules linked 35.668561] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 35.681386] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 27 eb b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 30 28 eb b8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff [ 35.702369] RSP: 0018:ffff9c92c188fe50 EFLAGS: 00010246 [ 35.708202] RAX: 0000000000000038 RBX: ffff9c92c188c000 RCX: 0000000000000000 [ 35.716169] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8eb2830 [ 35.724138] RBP: ffffffffb8eb1efb R08: 0000000000000000 R09: 0000000000000000 [ 35.732107] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 35.740075] R13: ffff9c92c188ff10 R14: ffff9c92c188ff10 R15: ffff8a17437ed000 [ 35.748044] FS: 00007fe1f15ed580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 35.757080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.763495] CR2: ffff9c92c1890000 CR3: 000000010274e002 CR4: 00000000003706e0 [ 35.771463] Call Trace: [ 35.774189] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 35.780023] direct_entry.cold+0x2c/0x38 [ 35.784401] full_proxy_write+0x53/0x80 [ 35.788696] vfs_write+0xe7/0x3a0 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industr[ 35.792403] ksys_write+0x68/0xf0 [ 35.802313] do_syscall_64+0x30/0x40 [ 35.806304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.811943] RIP: 0033:0x7fe1f1503833 [ 35.815923] 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 [ 35.836896] RSP: 002b:00007ffcd3a65a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.845350] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fe1f1503833 [ 35.853320] RDX: 000000000000001a RSI: 00007fe1f13f6000 RDI: 0000000000000001 [ 35.861289] RBP: 00007fe1f13f6000 R08: 00007fe1f13f5010 R09: 0000000000000000 [ 35.869257] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.877224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros[ 35.885196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 35.917837] ---[ end trace 9424be860f81b6e8 ]--- [ 35.922993] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.927360] Code: 89 ff e8 de 60 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 00 39 92 02 [ 35.948344] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 35.954186] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.962164] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 35.970142] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 35.978119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.986098] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 35.994077] FS: 00007fe1f15ed580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 36.003104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.009517] CR2: ffff9c92c1890000 CR3: 000000010274e002 CR4: 00000000003706e0 _ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.023614] CR2: 0000000000000000 # [ 34.033524] ---[ end trace 9424be860f81b6e6 ]--- # [ 34.038669] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.043036] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 34.064015] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 34.069850] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.077813] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 34.085788] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 34.093763] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.101738] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 34.109714] FS: 00007fe543c36580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 34.118751] CS: 0010 DS: 0000 [ 36.122379] lkdtm: Performing direct entry UNSET_SMEP [ 36.128842] lkdtm: trying to clear SMEP normally [ 36.134031] ------------[ cut here ]------------ [ 36.139221] pinned CR4 bits changed: 0x100000!? [ 36.144316] WARNING: CPU: 3 PID: 1037 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 36.154539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ES: 0000 CR0: 0000000080050033 # [ 34.125165] CR2: 0000000000[ 36.180998] CPU: 3 PID: 1037 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 36.195859] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000 CR3: 00000001055a2003 CR4: 00000000003706e0 # [ 34.133[ 36.202671] RIP: 0010:native_write_cr4+0x45/0x60 [ 36.214043] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 60 0c df b8 c6 05 89 90 e3 01 01 e8 7d a9 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 132] BUG: sleeping function called from invalid context at inclu[ 36.235060] RSP: 0018:ffff9c92c192fe48 EFLAGS: 00010286 [ 36.247105] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 36.255107] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 36.263081] RBP: ffffffffb8eb1f15 R08: 0000000000000000 R09: 0000000000000000 [ 36.271059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b de/linux/percpu-rwsem.h:49 # [ 34.143042] in_atomic(): 0, irq[ 36.279034] R13: ffff9c92c192ff10 R14: ffff9c92c192ff10 R15: ffff8a174315d000 s_disabled(): 1, non_block: 0, pid: 743, name: cat # [ 34.151[ 36.293222] FS: 00007f8abb703580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 36.308473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.314891] CR2: 00007f8abb50c000 CR3: 00000001055a6003 CR4: 00000000003706e0 398] INFO: lockdep is turned off. # [ 34.155773] irq event st[ 36.322863] Call Trace: [ 36.331824] lkdtm_UNSET_SMEP.cold+0x1d/0x103 amp: 0 # [ 34.159177] hardirqs last enabled at (0): [<000000[ 36.336701] direct_entry.cold+0x2c/0x38 [ 36.347289] full_proxy_write+0x53/0x80 [ 36.351597] vfs_write+0xe7/0x3a0 [ 36.355321] ksys_write+0x68/0xf0 [ 36.359022] do_syscall_64+0x30/0x40 [ 36.363037] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.368678] RIP: 0033:0x7f8abb619833 [ 36.372669] 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 [ 36.393650] RSP: 002b:00007fff35e7bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.402123] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8abb619833 [ 36.410102] RDX: 000000000000000b RSI: 00007f8abb50c000 RDI: 0000000000000001 [ 36.418083] RBP: 00007f8abb50c000 R08: 00007f8abb50b010 R09: 0000000000000000 [ 36.426060] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.434044] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.442028] irq event stamp: 0 0000000000>] 0x0 # [ 34.166177] hardirqs last disabled at (0)[ 36.445461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.458671] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 36.467807] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 36.476943] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.483943] ---[ end trace 9424be860f81b6e9 ]--- [ 36.489098] lkdtm: ok: SMEP did not get cleared [ 36.494156] lkdtm: trying to clear SMEP with call gadget [ 36.500087] lkdtm: ok: SMEP removal was reverted : [] copy_process+0x664/0x1cb0 # [ 34.175309] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.184441] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.191449] CPU: 3 PID: 743 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 34.199998] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.206801] Call Trace: # [ 34.209529] dump_stack+0x77/0x9b # [ 34.213227] ___might_sleep.cold+0xa6/0xb6 # [ 34.217798] exit_signals+0x1c/0x2e0 # [ 34.221785] do_exit+0xc2/0xaf0 # [ 34.225288] ? ksys_write+0x68/0xf0 # [ 34.229180] make_task_dead+0x2f/0x30 # [ 34.233265] rewind_stack_and_make_dead+0x17/0x20 # [ 34.238506] RIP: 0033:0x7fe543b4c833 # [ 34.242494] 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 [ 36.597743] lkdtm: Performing direct entry DOUBLE_FAULT 83 ec 28 48 89 54 24 18 # [ 34.263465] RSP: 002b:00007ffc4c0c[ 36.604344] lkdtm: XFAIL: this test is ia32-only 89c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.271919] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe543b4c833 # [ 34.279885] RDX: 000000000000000a RSI: 00007fe543a3f000 RDI: 0000000000000001 # [ 34.287854] RBP: 00007fe543a3f000 R08: 00007fe543a3e010 R09: 0000000000000000 # [ 34.295821] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.303789] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 34.613539] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 34.622612] lkdtm: attempting good list addition # [ 34.627781] lkdtm: attempting corrupted list addition # [ 34.633436] lkdtm:[ 36.743452] lkdtm: Performing direct entry CORRUPT_PAC [ 36.751978] lkdtm: XFAIL: this test is arm64-only 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 # [ 34.769897] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 34.782169] lkdtm: attempting good list removal # [ 34.793451] lkdtm: attempting corrupted list removal # [ 34.805207] 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 # [ 34.916968] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 34.929936] lkdtm: attempting bad read from page below current stack # [ 34.937099] BUG: stack guard page was hit at 000000009e6cebcb (stack is 00000000f158060b..000000005cc07e23) # [ 34.947997] kernel stack overflow (page fault): 0000 [#3] SMP PTI #[ 36.847671] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 34.961013] CPU: 3 PID: 968 Comm: cat Tainted: G D W [ 36.857750] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 5.10.169-cip26 #1 # [ 34.969566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.982586] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 34.989096] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 27 eb b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 b8 27 eb b8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 35.010076] RSP: 0018:ffff9c92c17ffe50 EFLAGS: 00010246 # [ 35.015900] RAX: 0000000000000038 RBX: ffff9c92c17fc000 RCX: 0000000000000000 # [ 35.023868] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffffffffb8eb27b8 # [ 35.031836] RBP: ffffffffb8eb1ee2 R08: 0000000000000000 R09: 0000000000000000 # [ 35.039805] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.047778] R13: ffff9c92c17fff10 R14: ffff9c92c17fff10 R15: ffff8a1744091000 # [ 35.055754] FS: 00007f9719d31580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 35.064791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.071205] CR2: ffff9c92c17fbfff CR3: 0000000103f0a004 CR4: 00000000003706e0 # [ 35.079172] Call Trace: # [ 35.081899] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 35.086955] direct_entry.cold+0x2c/0x38 # [ 35.091333] full_proxy_write+0x53/0x80 # [ 35.095628] vfs_write+0xe7/0x3a0 # [ 35.099357] ksys_write+0x68/0xf0 # [ 35.103047] do_syscall_64+0x30/0x40 # [ 35.107036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.112674] RIP: 0033:0x7f9719c47833 # [ 35.116661] 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 2[ 37.038556] lkdtm: Performing direct entry READ_AFTER_FREE [ 37.045478] lkdtm: Value in memory before free: 12345678 [ 37.051419] lkdtm: Attempting bad read from freed memory 4 18 # [ 35.137640] RSP: 002b:00007ffc0fd25788 EFLAGS: 000002[ 37.057359] lkdtm: Memory was not poisoned 46 ORIG_RAX: 0000000000000001 # [ 35.146094] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9719c47833 # [ 35.154062] RDX: 0000000000000019 RSI: 00007f9719b3a000 RDI: 0000000000000001 # [ 35.162031] RBP: 00007f9719b3a000 R08: 00007f9719b39010 R09: 0000000000000000 # [ 35.169998] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.177965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.185939] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.212400] ---[ end trace 9424be860f81b6e7 ]--- # [ 35.223766] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.228132] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 35.249115] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 35.254971] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.262939] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 35.270907] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 35.278874] R10: 00000000ffffe000 R11: 3ffff[ 37.204674] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE fffffffffff R12: 0000000000000004 # [ 35.286843] R13: ffff9c9[ 37.211609] lkdtm: Value in memory before free: 12345678 2c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 35.[ 37.223751] lkdtm: Attempting to read from freed memory 294812] FS: 00007f9719d31580(0000) GS:ffff8a17bad80000(0000) kn[ 37.235834] lkdtm: Buddy page was not poisoned lGS:0000000000000000 # [ 35.303850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.310265] CR2: ffff9c92c17fbfff CR3: 0000000103f0a004 CR4: 00000000003706e0 # [ 35.318234] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.328146] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 968, name: cat # [ 35.336502] INFO: lockdep is turned off. # [ 35.340902] irq event stamp: 0 # [ 35.344307] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.351305] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.360441] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.369574] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.376572] CPU: 3 PID: 968 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 35.385115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.391917] Call Trace: # [ 35.394643] dump_stack+0x77/0x9b # [ 35.398334] ___might_sleep.cold+0xa6/0xb6 # [ 35.402905] exit_signals+0x1c/0x2e0 # [ 35.406885] do_exit+0xc2/0xaf0 # [ 35.410387] ? ksys_write+0x68/0xf0 # [ 35.414278] make_task_dead+0x2f/0x30 # [ 35.418355] rewind_stack_and_make_de[ 37.367689] lkdtm: Performing direct entry SLAB_FREE_DOUBLE ad+0x17/0x20 # [ 35.423603] RIP: 0033:0x7f9719c47833 # [ 3[ 37.377562] lkdtm: Attempting double slab free ... 5.427592] 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 # [ 35.448572] RSP: 002b:00007ffc0fd25788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.457025] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9719c47833 # [ 35.464992] RDX: 0000000000000019 RSI: 00007f9719b3a000 RDI: 0000000000000001 # [ 35.472959] RBP: 00007f9719b3a000 R08: 00007f9719b39010 R09: 0000000000000000 # [ 35.480926] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.488895] 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 # [ 35.602350] lkdtm: Performing direct entry STACK_GUARD_PAGE[ 37.478814] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 37.488499] lkdtm: Attempting cross-cache slab free ... _TRAILING # [ 35.609686] lkdtm: attempting bad read from page above current stack # [ 35.623018] BUG: stack guard page was hit at 00000000da57702b (stack is 0000000013660ba5..00000000d6f996f7) # [ 35.640089] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 35.646895] CPU: 1 PID: 1001 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 35.661754] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.668561] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 35.681386] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 27 eb b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 30 28 eb b8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff # [ 35.702369] RSP: 0018:ffff9c92c188fe50 EFLAGS: 00010246 # [ 35.708202] RAX: 0000000000000038 RBX: ffff9c92c188c000 RCX: 0000000000000000 # [ 35.716169] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8eb2830 # [ 35.724138] RBP: ffffffffb8eb1efb R08: 0000000000000000 R09: 0000000000000000 # [ 35.732107] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 35.740075] R13: ffff9c92c188ff10 R14: ffff9c92c188ff10 R15: ffff8a17437ed000 # [ 35.748044] FS: 00007fe1f15ed580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 35.757080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.763495] CR2: ffff9c92c1890000 C[ 37.626934] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 37.637183] lkdtm: Attempting non-Slab slab free ... R3: 000000010274e002 CR4: 00000000003706e0 # [ 35.771463] Call Trace: # [ 35.774189] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 35.780023] direct_entry.cold+0x2c/0x38 # [ 35.784401] full_proxy_write+0x53/0x80 # [ 35.788696] vfs_write+0xe7/0x3a0 # [ 35.792403] ksys_write+0x68/0xf0 # [ 35.802313] do_syscall_64+0x30/0x40 # [ 35.806304] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.811943] RIP: 0033:0x7fe1f1503833 # [ 35.815923] 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 # [ 35.836896] RSP: 002b:00007ffcd3a65a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.845350] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fe1f1503833 # [ 35.853320] RDX: 000000000000001a RSI: 00007fe1f13f6000 RDI: 0000000000000001 # [ 35.861289] RBP: 00007fe1f13f6000 R08: 00007fe1f13f5010 R09: 0000000000000000 # [ 35.869257] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.877224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.885196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.917837] ---[ end trace 9424be860f81b6e8 ]--- # [ 35.922993] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.927360] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 35.948344] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 35.954186] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.962164] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 35.970142] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 35.978119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.986098] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 35.994077] FS: 00007fe1f15ed580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 36.003104] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.00[ 37.878139] lkdtm: Performing direct entry EXEC_DATA [ 37.884539] lkdtm: attempting ok execution at ffffffffb7ce5120 [ 37.891065] lkdtm: attempting bad execution at ffffffffba6086a0 9517] CR2: ffff9c92c1890000 CR3: 000000010274e002 CR4: 000000000[ 37.897692] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.912258] BUG: unable to handle page fault for address: ffffffffba6086a0 [ 37.919934] #PF: supervisor instruction fetch in kernel mode [ 37.926252] #PF: error_code(0x0011) - permissions violation [ 37.932473] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 80000000732000e3 [ 37.939960] Oops: 0011 [#5] SMP PTI [ 37.943851] CPU: 2 PID: 1544 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 37.952492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.959300] RIP: 0010:data_area+0x0/0x40 [ 37.963676] Code: ff ff 00 b6 b6 40 17 8a ff ff 00 b5 b6 40 17 8a 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 [ 37.984661] RSP: 0018:ffff9c92c20a7e48 EFLAGS: 00010246 [ 37.990493] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.998463] RDX: 0000000000000000 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 [ 38.006446] RBP: ffffffffba6086a0 R08: 0000000000000000 R09: 0000000000000000 [ 38.014429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 38.022416] R13: ffff9c92c20a7f10 R14: ffff9c92c20a7f10 R15: ffff8a17427c8000 [ 38.030400] FS: 00007fb736b29580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 38.039438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.045853] CR2: ffffffffba6086a0 CR3: 0000000103f0a005 CR4: 00000000003706e0 [ 38.053821] Call Trace: [ 38.056549] ? execute_location+0x45/0x56 [ 38.061024] ? direct_entry.cold+0x2c/0x38 [ 38.065588] ? full_proxy_write+0x53/0x80 [ 38.070063] ? vfs_write+0xe7/0x3a0 [ 38.073953] ? ksys_write+0x68/0xf0 [ 38.077844] ? do_syscall_64+0x30/0x40 [ 38.082026] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.087863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 03706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok [ 38.114324] CR2: ffffffffba6086a0 [ 38.124235] ---[ end trace 9424be860f81b6ea ]--- [ 38.129391] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.133768] Code: 89 ff e8 de 60 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 00 39 92 02 [ 38.154751] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 38.160585] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.168554] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 38.176523] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 38.184491] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.192459] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 38.200429] FS: 00007fb736b29580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 38.209466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.215873] CR2: ffffffffba6086a0 CR3: 0000000103f0a005 CR4: 00000000003706e0 [ 38.223843] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.233754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1544, name: cat [ 38.242208] INFO: lockdep is turned off. [ 38.246584] irq event stamp: 0 [ 38.249990] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.256991] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 38.266125] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 38.275261] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.282261] CPU: 2 PID: 1544 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 38.290914] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.297719] Call Trace: [ 38.300447] dump_stack+0x77/0x9b [ 38.304145] ___might_sleep.cold+0xa6/0xb6 [ 38.308717] exit_signals+0x1c/0x2e0 [ 38.312698] do_exit+0xc2/0xaf0 [ 38.316202] ? ksys_write+0x68/0xf0 [ 38.320095] make_task_dead+0x2f/0x30 [ 38.324180] rewind_stack_and_make_dead+0x17/0x20 [ 38.329430] RIP: 0033:0x7fb736a3f833 [ 38.333417] 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 [ 38.354402] RSP: 002b:00007ffdeb406048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.362849] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb736a3f833 [ 38.370818] RDX: 000000000000000a RSI: 00007fb736932000 RDI: 0000000000000001 [ 38.378800] RBP: 00007fb736932000 R08: 00007fb736931010 R09: 0000000000000000 [ 38.386786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.394772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 36.122379] lkdtm: Performing direct entry UNSET_SMEP # [ 36.128842] lkdtm: trying to clear SMEP normally # [ 36.134031] ------------[ cut here ]------------ # [ 36.139221] pinned CR4 bits changed: 0x100000!? # [ 36.144316] WARNING: CPU: 3 PID: 1037 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 36.154539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.180998] CPU: 3 PID: 1037 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 36.195859] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.202671] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.214043] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 60 0c df b8 c6 05 89 90 e3 01 01 e8 7d a9 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 36.235060] RSP: 0018:ffff9c92c192fe48 EFLAGS: 00010286 # [ 36.247105] RAX: 00000[ 38.517449] lkdtm: Performing direct entry EXEC_STACK 00000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 3[ 38.526533] lkdtm: attempting ok execution at ffffffffb7ce5120 6.255107] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8[ 38.539262] lkdtm: attempting bad execution at ffff9c92c215fe18 a17bad9bf70 # [ 36.263081] RBP: ffffffffb8eb1f15 R08: 0000000[ 38.552092] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.566661] BUG: unable to handle page fault for address: ffff9c92c215fe18 [ 38.574340] #PF: supervisor instruction fetch in kernel mode [ 38.580659] #PF: error_code(0x0011) - permissions violation 000000000 R09: 0000000000000000 # [ 36.271059] R10: 00000000f[ 38.586882] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10576c067 PTE 80000001054e9063 [ 38.602141] Oops: 0011 [#6] SMP PTI [ 38.606024] CPU: 1 PID: 1580 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 38.614662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.621469] RIP: 0010:0xffff9c92c215fe18 [ 38.625846] Code: 00 00 18 fe 15 c2 92 9c ff ff 9c b9 33 b8 ff ff ff ff 20 00 00 00 00 00 00 00 3e 20 eb b8 ff ff ff ff cb ba 33 b8 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 [ 38.646827] RSP: 0018:ffff9c92c215fdf8 EFLAGS: 00010246 [ 38.652660] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.660630] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 [ 38.668598] RBP: ffff9c92c215fe18 R08: 0000000000000000 R09: 0000000000000000 [ 38.676568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 38.684537] R13: ffff9c92c215ff10 R14: ffff9c92c215ff10 R15: ffff8a1744f4f000 [ 38.692507] FS: 00007f92b11b0580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 38.701543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.707958] CR2: ffff9c92c215fe18 CR3: 0000000103152001 CR4: 00000000003706e0 [ 38.715926] Call Trace: [ 38.718655] ? execute_location+0x45/0x56 fffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 36.27[ 38.723143] ? lkdtm_EXEC_STACK+0x26/0x44 [ 38.733837] ? direct_entry.cold+0x2c/0x38 [ 38.738410] ? full_proxy_write+0x53/0x80 9034] R13: ffff9c92c192ff10 R14: ffff9c92c192ff10 R15: ffff8a174[ 38.742887] ? vfs_write+0xe7/0x3a0 [ 38.752990] ? ksys_write+0x68/0xf0 [ 38.756873] ? do_syscall_64+0x30/0x40 [ 38.761057] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 315d000 # [ 36.293222] FS: 00007f8abb703580(0000) GS:ffff8a1[ 38.766915] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.799551] CR2: ffff9c92c215fe18 [ 38.803248] ---[ end trace 9424be860f81b6eb ]--- [ 38.808393] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.812771] Code: 89 ff e8 de 60 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 00 39 92 02 [ 38.833753] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 38.839585] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.847553] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 38.855521] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 38.863488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.871455] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 38.879424] FS: 00007f92b11b0580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 38.888452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.894867] CR2: ffff9c92c215fe18 CR3: 0000000103152001 CR4: 00000000003706e0 7bad80000(0000) knlGS:0000000000000000 # [ 36.308473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.314891] CR2: 00007f8abb50c000 CR3: 00000001055a6003 CR4: 00000000003706e0 # [ 36.322863] Call Trace: # [ 36.331824] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.336701] direct_entry.cold+0x2c/0x38 # [ 36.347289] full_proxy_write+0x53/0x80 # [ 36.351597] vfs_write+0xe7/0x3a0 # [ 36.355321] ksys_write+0x68/0xf0 # [ 36.359022] do_syscall_64+0x30/0x40 # [ 36.363037] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.368678] RIP: 0033:0x7f8abb619833 # [ 36.372669] 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 # [ 36.393650] RSP: 002b:00007fff35e7bfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.402123] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8abb619833 # [ 36.410102] RDX: 000000000000000b R[ 38.999053] lkdtm: Performing direct entry EXEC_KMALLOC SI: 00007f8abb50c000 RDI: 0000000000000001 # [ 36.418083] RBP[ 39.008203] lkdtm: attempting ok execution at ffffffffb7ce5120 : 00007f8abb50c000 R08: 00007f8abb50b010 R09: 0000000000000000 [ 39.020928] lkdtm: attempting bad execution at ffff8a1744097b00 # [ 36.426060] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 39.033742] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.048293] BUG: unable to handle page fault for address: ffff8a1744097b00 [ 39.055970] #PF: supervisor instruction fetch in kernel mode [ 39.062287] #PF: error_code(0x0011) - permissions violation [ 39.068508] PGD 73401067 P4D 73401067 PUD 10084b063 PMD 1049a2063 PTE 8000000104097063 [ 39.077350] Oops: 0011 [#7] SMP PTI [ 39.081242] CPU: 0 PID: 1616 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 39.089889] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.096693] RIP: 0010:0xffff8a1744097b00 [ 39.101061] Code: ff ff d0 77 09 44 17 8a ff ff c0 59 0d 46 17 8a ff ff 00 ac 82 44 17 8a ff ff 00 8e 15 44 36 ca ff ff 00 80 63 45 17 8a ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 39.122032] RSP: 0018:ffff9c92c21dfe38 EFLAGS: 00010246 [ 39.127865] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.135833] RDX: 0000000000000000 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 [ 39.143801] RBP: ffff8a1744097b00 R08: 0000000000000000 R09: 0000000000000000 [ 39.151769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 39.159735] R13: ffff9c92c21dff10 R14: ffff9c92c21dff10 R15: ffff8a1745529000 [ 39.167703] FS: 00007fc90589d580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 39.176740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.183154] CR2: ffff8a1744097b00 CR3: 000000010274e006 CR4: 00000000003706f0 [ 39.191121] Call Trace: [ 39.193850] ? execute_location+0x45/0x56 [ 39.198330] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 39.203002] ? direct_entry.cold+0x2c/0x38 [ 39.207575] ? full_proxy_write+0x53/0x80 [ 39.212055] ? vfs_write+0xe7/0x3a0 [ 39.215953] ? ksys_write+0x68/0xf0 [ 39.219845] ? do_syscall_64+0x30/0x40 [ 39.224033] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.229869] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.256306] CR2: ffff8a1744097b00 [ 39.260002] ---[ end trace 9424be860f81b6ec ]--- [ 39.265155] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.269522] Code: 89 ff e8 de 60 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 00 39 92 02 [ 39.290502] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 39.296335] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.304303] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 39.312270] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 39.320237] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.328204] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 39.336172] FS: 00007fc90589d580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 39.345208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.351624] CR2: ffff8a1744097b00 CR3: 000000010274e006 CR4: 00000000003706f0 [ 39.359593] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.369504] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1616, name: cat [ 39.377958] INFO: lockdep is turned off. [ 39.382333] irq event stamp: 0 [ 39.385729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.392728] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 39.401863] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 39.410998] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.417988] CPU: 0 PID: 1616 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 39.426626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.433428] Call Trace: [ 39.436158] dump_stack+0x77/0x9b [ 39.439861] ___might_sleep.cold+0xa6/0xb6 [ 39.444438] exit_signals+0x1c/0x2e0 [ 39.448432] do_exit+0xc2/0xaf0 [ 39.451927] ? ksys_write+0x68/0xf0 [ 39.455820] make_task_dead+0x2f/0x30 [ 39.459905] rewind_stack_and_make_dead+0x17/0x20 [ 39.465147] RIP: 0033:0x7fc9057b3833 [ 39.469127] 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 [ 39.490108] RSP: 002b:00007ffcf23c1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.498564] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc9057b3833 [ 39.506524] RDX: 000000000000000d RSI: 00007fc9056a6000 RDI: 0000000000000001 [ 39.514493] RBP: 00007fc9056a6000 R08: 00007fc9056a5010 R09: 0000000000000000 [ 39.522462] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.530431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000000001 # [ 36.434044] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.442028] irq event stamp: 0 # [ 36.445461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.458671] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.467807] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.476943] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.483943] ---[ end trace 9424be860f81b6e9 ]--- # [ 36.489098] lkdtm: ok: SMEP did not get cleared # [ 36.494156] lkdtm: trying to clear SMEP with call gadget # [ 36.500087] 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 # [ 36.597743] lkdtm: Performing direct entry DOUBLE_FAULT # [ 36.604344] 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 # [ 36.743452] lkdtm: Performing direct entry CORRUPT_PAC # [ 36.751978] 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 # [ 36.847671] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 36.857750] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 37.038556] lkdtm: Performing direct entry READ_AFTER_FREE # [ 37.045478] lkdtm: Value in memory before free: 12345678 # [ 37.051419] lkdtm: Attempting bad read from freed memory # [ 37.057359] lkdtm: Memory was not po[ 39.746119] lkdtm: Performing direct entry EXEC_VMALLOC [ 39.755616] lkdtm: attempting ok execution at ffffffffb7ce5120 isoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok[ 39.762142] lkdtm: attempting bad execution at ffff9c92c0391000 [ 39.774984] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: [ 39.783350] BUG: unable to handle page fault for address: ffff9c92c0391000 [ 39.797242] #PF: supervisor instruction fetch in kernel mode [ 39.803562] #PF: error_code(0x0011) - permissions violation [ 39.809782] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10099c067 PTE 800000010625b063 [ 39.818824] Oops: 0011 [#8] SMP PTI [ 39.822716] CPU: 3 PID: 1653 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 39.831356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.838161] RIP: 0010:0xffff9c92c0391000 [ 39.842539] Code: Unable to access opcode bytes at RIP 0xffff9c92c0390fd6. [ 39.850234] RSP: 0018:ffff9c92c222fe38 EFLAGS: 00010246 [ 39.856066] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.864035] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 39.872003] RBP: ffff9c92c0391000 R08: 0000000000000000 R09: 0000000000000000 [ 39.879972] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 39.887940] R13: ffff9c92c222ff10 R14: ffff9c92c222ff10 R15: ffff8a174625b000 [ 39.895908] FS: 00007fbbddb6a580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 39.904944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.911359] CR2: ffff9c92c0390fd6 CR3: 0000000103da2003 CR4: 00000000003706e0 [ 39.919327] Call Trace: [ 39.922075] ? execute_location+0x45/0x56 [ 39.926551] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 39.931218] ? direct_entry.cold+0x2c/0x38 [ 39.935790] ? full_proxy_write+0x53/0x80 [ 39.940265] ? vfs_write+0xe7/0x3a0 [ 39.944156] ? ksys_write+0x68/0xf0 [ 39.948048] ? do_syscall_64+0x30/0x40 [ 39.952230] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.958067] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_F[ 39.984524] CR2: ffff9c92c0391000 [ 39.994433] ---[ end trace 9424be860f81b6ed ]--- [ 39.999577] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.003954] Code: 89 ff e8 de 60 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 00 39 92 02 [ 40.024950] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 40.030784] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.038754] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 40.046723] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 40.054692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.062660] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 40.070628] FS: 00007fbbddb6a580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 40.079664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.086079] CR2: ffff9c92c0390fd6 CR3: 0000000103da2003 CR4: 00000000003706e0 REE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 37.204674] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 37.211609] lkdtm: Value in memory before free: 12345678 # [ 37.223751] lkdtm: Attempting to read from freed memory # [ 37.235834] 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 # [ 37.367689] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 37.377562] 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 # [ 37.478814] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 37.488499] 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 # [ 37.626934] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 37.637183] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK[ 40.268055] lkdtm: Performing direct entry EXEC_RODATA [ 40.274010] lkdtm: attempting ok execution at ffffffffb7ce5120 [ 40.280550] lkdtm: attempting bad execution at ffffffffb8ad15a0 .sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 37[ 40.287209] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 40.301749] BUG: unable to handle page fault for address: ffffffffb8ad15a0 [ 40.309429] #PF: supervisor instruction fetch in kernel mode [ 40.315738] #PF: error_code(0x0011) - permissions violation [ 40.321958] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 80000000716000e1 [ 40.329450] Oops: 0011 [#9] SMP PTI [ 40.333341] CPU: 3 PID: 1689 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 40.341990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.348798] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 40.354533] Code: ff ff 3b cf 33 b8 ff ff ff ff 8a 22 eb b8 ff ff ff ff 81 b6 33 b8 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 [ 40.375514] RSP: 0018:ffff9c92c22d7e48 EFLAGS: 00010246 [ 40.381347] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.389363] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 40.397351] RBP: ffffffffb8ad15a0 R08: 0000000000000000 R09: 0000000000000000 [ 40.405343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 40.413331] R13: ffff9c92c22d7f10 R14: ffff9c92c22d7f10 R15: ffff8a1743790000 [ 40.421320] FS: 00007fe4839fc580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 40.430356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.436771] CR2: ffffffffb8ad15a0 CR3: 0000000104e7c005 CR4: 00000000003706e0 [ 40.444740] Call Trace: [ 40.447468] ? execute_location+0x45/0x56 [ 40.451943] ? direct_entry.cold+0x2c/0x38 [ 40.456517] ? full_proxy_write+0x53/0x80 [ 40.460994] ? vfs_write+0xe7/0x3a0 [ 40.464884] ? ksys_write+0x68/0xf0 [ 40.468776] ? do_syscall_64+0x30/0x40 [ 40.472951] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.478788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .878139] lkdtm: Performing direct entry EXEC_DATA # [ 37.8845[ 40.505247] CR2: ffffffffb8ad15a0 [ 40.515175] ---[ end trace 9424be860f81b6ee ]--- [ 40.520333] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.524708] Code: 89 ff e8 de 60 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 00 39 92 02 [ 40.545690] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 40.551524] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.559493] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 40.567461] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 40.575429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.583396] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 40.591365] FS: 00007fe4839fc580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 40.600402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.606817] CR2: ffffffffb8ad15a0 CR3: 0000000104e7c005 CR4: 00000000003706e0 [ 40.614787] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.624698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1689, name: cat [ 40.633154] INFO: lockdep is turned off. [ 40.637531] irq event stamp: 0 [ 40.640937] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.647936] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 40.657070] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 40.666205] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.673204] CPU: 3 PID: 1689 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 40.681853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.688657] Call Trace: [ 40.691385] dump_stack+0x77/0x9b [ 40.695084] ___might_sleep.cold+0xa6/0xb6 [ 40.699654] exit_signals+0x1c/0x2e0 [ 40.703642] do_exit+0xc2/0xaf0 [ 40.707146] ? ksys_write+0x68/0xf0 [ 40.711038] make_task_dead+0x2f/0x30 [ 40.715125] rewind_stack_and_make_dead+0x17/0x20 [ 40.720375] RIP: 0033:0x7fe483912833 [ 40.724364] 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 [ 40.745338] RSP: 002b:00007ffe20b68e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.753795] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe483912833 [ 40.761764] RDX: 000000000000000c RSI: 00007fe483805000 RDI: 0000000000000001 [ 40.769735] RBP: 00007fe483805000 R08: 00007fe483804010 R09: 0000000000000000 [ 40.777704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.785672] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 39] lkdtm: attempting ok execution at ffffffffb7ce5120 # [ 37.891065] lkdtm: attempting bad execution at ffffffffba6086a0 # [ 37.897692] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.912258] BUG: unable to handle page fault for address: ffffffffba6086a0 # [ 37.919934] #PF: supervisor instruction fetch in kernel mode # [ 37.926252] #PF: error_code(0x0011) - permissions violation # [ 37.932473] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 80000000732000e3 # [ 37.939960] Oops: 0011 [#5] SMP PTI # [ 37.943851] CPU: 2 PID: 1544 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 37.952492] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.959300] RIP: 0010:data_area+0x0/0x40 # [ 37.963676] Code: ff ff 00 b6 b6 40 17 8a ff ff 00 b5 b6 40 17 8a 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 # [ 37.984661] RSP: 0018:ffff9c92c20a7e48 EFLAGS: 00010246 # [ 37.990493] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.998463] RDX: 0000000[ 40.904254] lkdtm: Performing direct entry EXEC_USERSPACE 000000000 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 # [ 38.[ 40.911605] lkdtm: attempting ok execution at ffffffffb7ce5120 006446] RBP: ffffffffba6086a0 R08: 0000000000000000 R09: 0000000[ 40.924350] lkdtm: attempting bad execution at 00007fb8de137000 000000000 # [ 38.014429] R10: 00000000ffffe000 R11: 3ffffffff[ 40.937181] unable to execute userspace code (SMEP?) (uid: 0) [ 40.949808] BUG: unable to handle page fault for address: 00007fb8de137000 [ 40.957487] #PF: supervisor instruction fetch in kernel mode [ 40.963804] #PF: error_code(0x0011) - permissions violation fffffff R12: 000000000000000a # [ 38.022416] R13: ffff9c92c20[ 40.970025] PGD 80000001057e7067 P4D 80000001057e7067 PUD 103fba067 PMD 106069067 PTE 10a6cd067 [ 40.985964] Oops: 0011 [#10] SMP PTI [ 40.989954] CPU: 1 PID: 1725 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 40.998606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.005411] RIP: 0010:0x7fb8de137000 [ 41.009390] Code: Unable to access opcode bytes at RIP 0x7fb8de136fd6. [ 41.016679] RSP: 0018:ffff9c92c2377e50 EFLAGS: 00010246 [ 41.022529] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 41.030503] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 [ 41.038465] RBP: 00007fb8de137000 R08: 0000000000000000 R09: 0000000000000000 [ 41.046429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 41.054419] R13: ffff9c92c2377f10 R14: ffff9c92c2377f10 R15: ffff8a1744fb9000 [ 41.062409] FS: 00007fb8de108580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 41.071454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.077869] CR2: 00007fb8de137000 CR3: 0000000104f8a006 CR4: 00000000003706e0 [ 41.085839] Call Trace: [ 41.088567] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae a7f10 R14: ffff9c92c20a7f10 R15: ffff8a17427c8000 # [ 38.0304[ 41.093916] ? direct_entry.cold+0x2c/0x38 [ 41.104702] ? full_proxy_write+0x53/0x80 00] FS: 00007fb736b29580(0000) GS:ffff8a17bad00000(0000) knlGS:[ 41.109179] ? vfs_write+0xe7/0x3a0 [ 41.119283] ? ksys_write+0x68/0xf0 [ 41.123167] ? do_syscall_64+0x30/0x40 [ 41.127351] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000000 # [ 38.039438] CS: 0010 DS: 0000 ES: 0000 C[ 41.133189] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.165830] CR2: 00007fb8de137000 [ 41.169519] ---[ end trace 9424be860f81b6ef ]--- [ 41.174665] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.179042] Code: 89 ff e8 de 60 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 00 39 92 02 [ 41.200026] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 41.205850] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.213819] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 41.221787] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 41.229756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.237725] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 41.245695] FS: 00007fb8de108580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 41.254735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.261158] CR2: 00007fb8de137000 CR3: 0000000104f8a006 CR4: 00000000003706e0 R0: 0000000080050033 # [ 38.045853] CR2: ffffffffba6086a0 CR3: 0000000103f0a005 CR4: 00000000003706e0 # [ 38.053821] Call Trace: # [ 38.056549] ? execute_location+0x45/0x56 # [ 38.061024] ? direct_entry.cold+0x2c/0x38 # [ 38.065588] ? full_proxy_write+0x53/0x80 # [ 38.070063] ? vfs_write+0xe7/0x3a0 # [ 38.073953] ? ksys_write+0x68/0xf0 # [ 38.077844] ? do_syscall_64+0x30/0x40 # [ 38.082026] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.087863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.114324] CR2: ffffffffba6086a0 # [ 38.124235] ---[ end trace 9424be860f81b6ea ]--- # [ 38.129391] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.133768] Code: 89 ff e8 de 60 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 8[ 41.373444] lkdtm: Performing direct entry EXEC_NULL [ 41.380381] lkdtm: attempting ok execution at ffffffffb7ce5120 [ 41.386945] lkdtm: attempting bad execution at 0000000000000000 [ 41.393619] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 41.401410] #PF: supervisor instruction fetch in kernel mode [ 41.407731] #PF: error_code(0x0010) - not-present page [ 41.413467] PGD 0 P4D 0 [ 41.416291] Oops: 0010 [#11] SMP PTI [ 41.420278] CPU: 2 PID: 1761 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 41.428947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.435752] RIP: 0010:0x0 [ 41.438672] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 41.446349] RSP: 0018:ffff9c92c23bfe48 EFLAGS: 00010246 [ 41.452182] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.460149] RDX: 0000000000000000 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 [ 41.468117] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 41.476086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 41.484055] R13: ffff9c92c23bff10 R14: ffff9c92c23bff10 R15: ffff8a17426dc000 [ 41.492024] FS: 00007f5ee12c4580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 41.501061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.507477] CR2: ffffffffffffffd6 CR3: 00000001055b6003 CR4: 00000000003706e0 [ 41.515435] Call Trace: [ 41.518163] execute_location+0x45/0x56 [ 41.522445] direct_entry.cold+0x2c/0x38 [ 41.526826] full_proxy_write+0x53/0x80 3 05 00 39 92 02 # [ 38.154751] RSP: 0018:ffff9c92c1317e60 EF[ 41.531109] vfs_write+0xe7/0x3a0 [ 41.541018] ksys_write+0x68/0xf0 [ 41.544717] do_syscall_64+0x30/0x40 [ 41.548705] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.554343] RIP: 0033:0x7f5ee11da833 [ 41.558330] 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 [ 41.579314] RSP: 002b:00007ffd646a0438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.587761] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5ee11da833 [ 41.595738] RDX: 000000000000000a RSI: 00007f5ee10cd000 RDI: 0000000000000001 [ 41.603727] RBP: 00007f5ee10cd000 R08: 00007f5ee10cc010 R09: 0000000000000000 [ 41.611717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.619708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 LAGS: 00010286 # [ 38.160585] RAX: ffffffffb7ce4d50 RBX: 0000[ 41.627684] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.660316] CR2: 0000000000000000 [ 41.664014] ---[ end trace 9424be860f81b6f0 ]--- [ 41.669160] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.673536] Code: 89 ff e8 de 60 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 00 39 92 02 [ 41.694520] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 41.700344] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.708312] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 41.716280] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 41.724249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.732217] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 41.740185] FS: 00007f5ee12c4580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 41.749224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.755640] CR2: ffffffffffffffd6 CR3: 00000001055b6003 CR4: 00000000003706e0 [ 41.763610] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.773523] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1761, name: cat [ 41.781978] INFO: lockdep is turned off. [ 41.786353] irq event stamp: 0 [ 41.789758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.796757] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 41.805883] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 41.815016] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.822015] CPU: 2 PID: 1761 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 41.830665] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.837486] Call Trace: [ 41.840214] dump_stack+0x77/0x9b [ 41.843913] ___might_sleep.cold+0xa6/0xb6 [ 41.848487] exit_signals+0x1c/0x2e0 [ 41.852476] do_exit+0xc2/0xaf0 [ 41.855980] ? ksys_write+0x68/0xf0 [ 41.859872] make_task_dead+0x2f/0x30 [ 41.863949] rewind_stack_and_make_dead+0x17/0x20 [ 41.869200] RIP: 0033:0x7f5ee11da833 [ 41.873188] 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 [ 41.894170] RSP: 002b:00007ffd646a0438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.902626] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5ee11da833 [ 41.910594] RDX: 000000000000000a RSI: 00007f5ee10cd000 RDI: 0000000000000001 [ 41.918562] RBP: 00007f5ee10cd000 R08: 00007f5ee10cc010 R09: 0000000000000000 [ 41.926533] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.934502] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000001 RCX: 0000000000000000 # [ 38.168554] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 38.176523] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 38.184491] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.192459] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 38.200429] FS: 00007fb736b29580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 38.209466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.215873] CR2: ffffffffba6086a0 CR3: 0000000103f0a005 CR4: 00000000003706e0 # [ 38.223843] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.233754] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1544, name: cat # [ 38.242208] INFO: lockdep is turned off. # [ 38.246584] irq event stamp: 0 # [ 38.249990] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.256991] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.266125] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 38.275261] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.282261] CPU: 2 PID: 1544 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 38.290914] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.[ 42.075446] lkdtm: Performing direct entry ACCESS_USERSPACE [ 42.085656] lkdtm: attempting bad read at 00007fbca1c59000 [ 42.091800] BUG: unable to handle page fault for address: 00007fbca1c59000 [ 42.099486] #PF: supervisor read access in kernel mode [ 42.105223] #PF: error_code(0x0001) - permissions violation 297719] Call Trace: # [ 38.300447] dump_stack+0x77/0x9b # [[ 42.111447] PGD 8000000104049067 P4D 8000000104049067 PUD 10548a067 PMD 1027b9067 PTE 108597067 [ 42.127386] Oops: 0001 [#12] SMP PTI [ 42.131377] CPU: 2 PID: 1796 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 42.140027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.304145] ___might_sleep.cold+0xa6/0xb6 # [ 38.308717] 42.146835] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 42.159273] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 2f eb b8 e8 3e 96 fd ff 48 c7 c7 d0 2f eb b8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 f8 2f eb exit_signals+0x1c/0x2e0 # [ 38.312698] do_exit+0xc2/0xaf0 #[ 42.180261] RSP: 0018:ffff9c92c245fe48 EFLAGS: 00010246 [ 42.192307] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 42.200275] RDX: 0000000000000000 RSI: ffff8a17bad1bf70 RDI: ffffffffb8eb2fd0 [ 42.208245] RBP: 00007fbca1c59000 R08: 0000000000000000 R09: 0000000000000000 [ 42.216213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 42.224182] R13: ffff9c92c245ff10 R14: ffff9c92c245ff10 R15: ffff8a174576e000 [ 42.232152] FS: 00007fbca1c2a580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 42.241202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.247618] CR2: 00007fbca1c59000 CR3: 00000001055b6006 CR4: 00000000003706e0 [ 42.255588] Call Trace: [ 42.258316] direct_entry.cold+0x2c/0x38 [ 42.262694] full_proxy_write+0x53/0x80 [ 42.266989] vfs_write+0xe7/0x3a0 [ 42.270718] ksys_write+0x68/0xf0 [ 42.274408] do_syscall_64+0x30/0x40 [ 42.278398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.284038] RIP: 0033:0x7fbca1b40833 [ 42.288026] 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 [ 42.309010] RSP: 002b:00007ffe70a1f388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.317458] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fbca1b40833 [ 42.325427] RDX: 0000000000000011 RSI: 00007fbca1a33000 RDI: 0000000000000001 [ 42.333397] RBP: 00007fbca1a33000 R08: 00007fbca1a32010 R09: 0000000000000000 [ 42.341366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.349335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.357310] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.316202] ? ksys_write+0x68/0xf0 # [ 38.320095] make_[ 42.383771] CR2: 00007fbca1c59000 [ 42.393680] ---[ end trace 9424be860f81b6f1 ]--- [ 42.398848] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.403224] Code: 89 ff e8 de 60 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 00 39 92 02 [ 42.424206] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 42.430040] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.438010] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 42.445979] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 42.453950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.461919] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 42.469890] FS: 00007fbca1c2a580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 42.478928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.485344] CR2: 00007fbca1c59000 CR3: 00000001055b6006 CR4: 00000000003706e0 task_dead+0x2f/0x30 # [ 38.324180] rewind_stack_and_make_dead+0x17/0x20 # [ 38.329430] RIP: 0033:0x7fb736a3f833 # [ 38.333417] 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 # [ 38.354402] RSP: 002b:00007ffdeb406048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.362849] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb736a3f833 # [ 38.370818] RDX: 000000000000000a RSI: 00007fb736932000 RDI: 0000000000000001 # [ 38.378800] RBP: 00007fb736932000 R08: 00007fb736931010 R09: 0000000000000000 # [ 38.386786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.394772] 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 # [ 38.517449] lkdtm: Performing direct entry EXEC_STACK # [ 38.526533] lkdtm: attempting ok execution at ffffffffb7c[ 42.596814] lkdtm: Performing direct entry ACCESS_NULL e5120 # [ 38.539262] lkdtm: attempting bad execution at ffff9[ 42.604806] lkdtm: attempting bad read at 0000000000000000 c92c215fe18 # [ 38.552092] kernel tried to execute NX-protect[ 42.617211] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 42.631131] #PF: supervisor read access in kernel mode [ 42.636866] #PF: error_code(0x0000) - not-present page [ 42.642603] PGD 0 P4D 0 [ 42.645428] Oops: 0000 [#13] SMP PTI [ 42.649407] CPU: 0 PID: 1831 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 42.658046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.664852] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 42.670107] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 7a c4 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 2f eb b8 e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 2f eb b8 48 01 [ 42.691088] RSP: 0018:ffff9c92c24d7e58 EFLAGS: 00010246 [ 42.696922] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 42.704890] RDX: 0000000000000000 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 [ 42.712858] RBP: ffffffffb8eb2099 R08: 0000000000000000 R09: 0000000000000000 [ 42.720826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 42.728796] R13: ffff9c92c24d7f10 R14: ffff9c92c24d7f10 R15: ffff8a1743383000 [ 42.736758] FS: 00007f78ae064580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 42.745796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.752203] CR2: 0000000000000000 CR3: 00000001054ea004 CR4: 00000000003706f0 [ 42.760170] Call Trace: [ 42.762897] direct_entry.cold+0x2c/0x38 [ 42.767281] full_proxy_write+0x53/0x80 [ 42.771568] vfs_write+0xe7/0x3a0 [ 42.775272] ksys_write+0x68/0xf0 [ 42.778971] do_syscall_64+0x30/0x40 [ 42.782967] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.788606] RIP: 0033:0x7f78adf7a833 [ 42.792594] 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 [ 42.813568] RSP: 002b:00007ffe35f34cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.822024] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f78adf7a833 [ 42.829992] RDX: 000000000000000c RSI: 00007f78ade6d000 RDI: 0000000000000001 [ 42.837960] RBP: 00007f78ade6d000 R08: 00007f78ade6c010 R09: 0000000000000000 [ 42.845929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.853896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.861870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.888309] CR2: 0000000000000000 [ 42.892007] ---[ end trace 9424be860f81b6f2 ]--- [ 42.897161] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.901529] Code: 89 ff e8 de 60 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 00 39 92 02 [ 42.922502] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 42.928335] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.936294] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 42.944263] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 42.952232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.960200] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 42.968169] FS: 00007f78ae064580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 42.977207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.983623] CR2: 0000000000000000 CR3: 00000001054ea004 CR4: 00000000003706f0 [ 42.991586] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 43.001498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1831, name: cat [ 43.009944] INFO: lockdep is turned off. [ 43.014320] irq event stamp: 0 [ 43.017724] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.024724] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.033859] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.042991] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.049988] CPU: 0 PID: 1831 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 43.058634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.065436] Call Trace: [ 43.068164] dump_stack+0x77/0x9b [ 43.071867] ___might_sleep.cold+0xa6/0xb6 [ 43.076445] exit_signals+0x1c/0x2e0 [ 43.080434] do_exit+0xc2/0xaf0 [ 43.083938] ? ksys_write+0x68/0xf0 [ 43.087829] make_task_dead+0x2f/0x30 [ 43.091906] rewind_stack_and_make_dead+0x17/0x20 [ 43.097147] RIP: 0033:0x7f78adf7a833 [ 43.101135] 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 [ 43.122117] RSP: 002b:00007ffe35f34cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.130564] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f78adf7a833 [ 43.138532] RDX: 000000000000000c RSI: 00007f78ade6d000 RDI: 0000000000000001 [ 43.146501] RBP: 00007f78ade6d000 R08: 00007f78ade6c010 R09: 0000000000000000 [ 43.154469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.162437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed page - exploit attempt? (uid: 0) # [ 38.566661] BUG: unable to handle page fault for address: ffff9c92c215fe18 # [ 38.574340] #PF: supervisor instruction fetch in kernel mode # [ 38.580659] #PF: error_code(0x0011) - permissions violation # [ 38.586882] PGD 100000067 P4D 100000067 PUD 100210067 PMD 10576c067 PTE 80000001054e9063 # [ 38.602141] Oops: 0011 [#6] SMP PTI # [ 38.606024] CPU: 1 PID: 1580 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 38.614662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.621469] RIP: 0010:0xffff9c92c215fe18 # [ 38.625846] Code: 00 00 18 fe 15 c2 92 9c ff ff 9c b9 33 b8 ff ff ff ff 20 00 00 00 00 00 00 00 3e 20 eb b8 ff ff ff ff cb ba 33 b8 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 # [ 38.646827] RSP: 0018:ffff9c92c215fdf8 EFLAGS: 00010246 # [ 38.652660] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.660630] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 # [ 38.668598] RBP: ffff9c92c215fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 38.676568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.684537] R13: ffff9c92c215ff10 R14: ffff9c92c215ff10 R15: ffff8a1744f4f000 # [ 38.692507] FS: 00007f92b11b0580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 38.701543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.70[ 43.311314] lkdtm: Performing direct entry WRITE_RO 7958] CR2: ffff9c92c215fe18 CR3: 0000000103152001 CR4: 000000000[ 43.318837] lkdtm: attempting bad rodata write at ffffffffb8ad1590 03706e0 # [ 38.715926] Call Trace: # [ 38.718655] ? execu[ 43.331980] BUG: unable to handle page fault for address: ffffffffb8ad1590 [ 43.345827] #PF: supervisor write access in kernel mode [ 43.351660] #PF: error_code(0x0003) - permissions violation [ 43.357880] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 80000000716000e1 [ 43.365372] Oops: 0003 [#14] SMP PTI [ 43.369361] CPU: 0 PID: 1866 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 43.378010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.384809] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 43.389775] Code: 00 48 c7 c7 88 2e eb b8 48 c7 c6 90 15 ad b8 e8 66 98 fd ff 48 8b 05 c4 5b 79 00 ba 34 12 cd ab 48 c7 c7 b8 2e eb b8 48 31 d0 <48> 89 05 ae 5b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 29 [ 43.410754] RSP: 0018:ffff9c92c2547e60 EFLAGS: 00010202 [ 43.416587] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 43.424548] RDX: 00000000abcd1234 RSI: ffff8a17bac1bf70 RDI: ffffffffb8eb2eb8 [ 43.432515] RBP: ffffffffb8eb20a5 R08: 0000000000000000 R09: 0000000000000000 [ 43.440483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 43.448451] R13: ffff9c92c2547f10 R14: ffff9c92c2547f10 R15: ffff8a17456d2000 [ 43.456419] FS: 00007fcf10afa580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 43.465454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.471868] CR2: ffffffffb8ad1590 CR3: 000000010555c004 CR4: 00000000003706f0 [ 43.479837] Call Trace: [ 43.482562] direct_entry.cold+0x2c/0x38 [ 43.486934] full_proxy_write+0x53/0x80 [ 43.491211] vfs_write+0xe7/0x3a0 [ 43.494915] ksys_write+0x68/0xf0 [ 43.498614] do_syscall_64+0x30/0x40 [ 43.502608] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.508246] RIP: 0033:0x7fcf10a10833 [ 43.512226] 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 [ 43.533205] RSP: 002b:00007ffefd8bcf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.541659] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcf10a10833 [ 43.549627] RDX: 0000000000000009 RSI: 00007fcf10903000 RDI: 0000000000000001 [ 43.557594] RBP: 00007fcf10903000 R08: 00007fcf10902010 R09: 0000000000000000 [ 43.565561] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.573529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.581493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.607930] CR2: ffffffffb8ad1590 [ 43.611627] ---[ end trace 9424be860f81b6f3 ]--- [ 43.616782] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.621156] Code: 89 ff e8 de 60 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 00 39 92 02 [ 43.642134] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 43.647959] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.655926] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 43.663893] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 43.671861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.679828] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 43.687798] FS: 00007fcf10afa580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 [ 43.696825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.703238] CR2: ffffffffb8ad1590 CR3: 000000010555c004 CR4: 00000000003706f0 te_location+0x45/0x56 # [ 38.723143] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 38.733837] ? direct_entry.cold+0x2c/0x38 # [ 38.738410] ? full_proxy_write+0x53/0x80 # [ 38.742887] ? vfs_write+0xe7/0x3a0 # [ 38.752990] ? ksys_write+0x68/0xf0 # [ 38.756873] ? do_syscall_64+0x30/0x40 # [ 38.761057] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.766915] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.799551] CR2: ffff9c92c215fe18 # [ 38.803248] ---[ end trace 9424be860f81b6eb ]--- # [ 38.808393] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.812771] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 38.833753] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 38.839585] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.847553] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 38.855521] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 38.863488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.871455] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 38.879424] FS: 00007f92b11b0580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 38.888452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.894867] CR2: ffff9c92c215fe18 CR3: 0000000103152001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 38.999053] lkdtm: Performing direct entry EXEC_KMALLOC # [ 39.008203] lkdtm: attempting ok execution at ffffffffb7ce5120 # [ 39.020928] lkdtm: attempting bad execution at ffff8a1744097b00 # [ 39.033742] kernel tried to execute NX-protected page - explo[ 43.914692] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 43.922841] lkdtm: attempting bad ro_after_init write at ffffffffb8f2e330 [ 43.930451] BUG: unable to handle page fault for address: ffffffffb8f2e330 [ 43.938161] #PF: supervisor write access in kernel mode [ 43.943996] #PF: error_code(0x0003) - permissions violation [ 43.950223] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 1049a0063 PTE 8000000071b2e061 [ 43.958976] Oops: 0003 [#15] SMP PTI [ 43.962955] CPU: 2 PID: 1901 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 43.971604] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.978410] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 43.984450] Code: 2e eb b8 e9 18 98 fd ff 48 c7 c7 10 2f eb b8 e8 0c 98 fd ff 48 8b 05 0a 29 bf 00 ba 34 12 cd ab 48 c7 c7 b8 2e eb b8 48 31 d0 <48> 89 05 f4 28 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 44.005432] RSP: 0018:ffff9c92c25cfe60 EFLAGS: 00010202 [ 44.011266] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 44.019235] RDX: 00000000abcd1234 RSI: ffff8a17bad1bf70 RDI: ffffffffb8eb2eb8 [ 44.027204] RBP: ffffffffb8eb20ae R08: 0000000000000000 R09: 0000000000000000 [ 44.035183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 44.043153] R13: ffff9c92c25cff10 R14: ffff9c92c25cff10 R15: ffff8a1745443000 [ 44.051126] FS: 00007f40bb195580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 44.060169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.066584] CR2: ffffffffb8f2e330 CR3: 0000000105790005 CR4: 00000000003706e0 [ 44.074552] Call Trace: [ 44.077278] direct_entry.cold+0x2c/0x38 [ 44.081657] full_proxy_write+0x53/0x80 [ 44.085940] vfs_write+0xe7/0x3a0 [ 44.089637] ksys_write+0x68/0xf0 [ 44.093335] do_syscall_64+0x30/0x40 [ 44.097323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.102954] RIP: 0033:0x7f40bb0ab833 [ 44.106943] 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 [ 44.127927] RSP: 002b:00007ffd502d4118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.136381] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f40bb0ab833 [ 44.144350] RDX: 0000000000000014 RSI: 00007f40baf9e000 RDI: 0000000000000001 [ 44.152320] RBP: 00007f40baf9e000 R08: 00007f40baf9d010 R09: 0000000000000000 [ 44.160290] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.168258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.176232] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify it attempt? (uid: 0) # [ 39.048293] BUG: unable to handle pag[ 44.202692] CR2: ffffffffb8f2e330 [ 44.212601] ---[ end trace 9424be860f81b6f4 ]--- [ 44.217756] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.222131] Code: 89 ff e8 de 60 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 00 39 92 02 [ 44.243115] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 44.248959] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.256947] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 44.264919] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 44.272932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.280906] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 44.288898] FS: 00007f40bb195580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 44.297976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.304390] CR2: ffffffffb8f2e330 CR3: 0000000105790005 CR4: 00000000003706e0 [ 44.312360] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 44.322272] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1901, name: cat [ 44.330725] INFO: lockdep is turned off. [ 44.335101] irq event stamp: 0 [ 44.338507] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.345507] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 44.354641] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 44.363774] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.370771] CPU: 2 PID: 1901 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 44.379419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.386223] Call Trace: [ 44.388950] dump_stack+0x77/0x9b [ 44.392648] ___might_sleep.cold+0xa6/0xb6 [ 44.397219] exit_signals+0x1c/0x2e0 [ 44.401208] do_exit+0xc2/0xaf0 [ 44.404712] ? ksys_write+0x68/0xf0 [ 44.408596] make_task_dead+0x2f/0x30 [ 44.412683] rewind_stack_and_make_dead+0x17/0x20 [ 44.417924] RIP: 0033:0x7f40bb0ab833 [ 44.421912] 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 [ 44.442894] RSP: 002b:00007ffd502d4118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.451350] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f40bb0ab833 [ 44.459320] RDX: 0000000000000014 RSI: 00007f40baf9e000 RDI: 0000000000000001 [ 44.467289] RBP: 00007f40baf9e000 R08: 00007f40baf9d010 R09: 0000000000000000 [ 44.475259] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.483229] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e fault for address: ffff8a1744097b00 # [ 39.055970] #PF: supervisor instruction fetch in kernel mode # [ 39.062287] #PF: error_code(0x0011) - permissions violation # [ 39.068508] PGD 73401067 P4D 73401067 PUD 10084b063 PMD 1049a2063 PTE 8000000104097063 # [ 39.077350] Oops: 0011 [#7] SMP PTI # [ 39.081242] CPU: 0 PID: 1616 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 39.089889] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.096693] RIP: 0010:0xffff8a1744097b00 # [ 39.101061] Code: ff ff d0 77 09 44 17 8a ff ff c0 59 0d 46 17 8a ff ff 00 ac 82 44 17 8a ff ff 00 8e 15 44 36 ca ff ff 00 80 63 45 17 8a ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.122032] RSP: 0018:ffff9c92c21dfe38 EFLAGS: 00010246 # [ 39.127865] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.135833] RDX: 0000000000000000 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 # [ 39.143801] RBP: ffff8a1744097b00 R08: 0000000000000000 R09: 0000000000000000 # [ 39.151769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 39.159735] R13: ffff9c92c21dff10 R14: ffff9c92c21dff10 R15: ffff8a1745529000 # [ 39.167703] FS: 00007fc90589d580(0000) GS:ffff8a17bac0000[ 44.615224] lkdtm: Performing direct entry WRITE_KERN [ 44.621203] lkdtm: attempting bad 6645798 byte write at ffffffffb833b946 [ 44.628716] BUG: unable to handle page fault for address: ffffffffb833b946 [ 44.636404] #PF: supervisor write access in kernel mode [ 44.642237] #PF: error_code(0x0003) - permissions violation [ 44.648458] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 70e000e1 0(0000) knlGS:0000000000000000 # [ 39.176740] CS: 0010 DS: 0[ 44.655170] Oops: 0003 [#16] SMP PTI [ 44.665373] CPU: 3 PID: 1936 Comm: cat Tainted: G D W 5.10.169-cip26 #1 000 ES: 0000 CR0: 0000000080050033 # [ 39.183154] CR2: ffff8a[ 44.674021] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.687043] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 44.692198] Code: 53 48 c7 c3 46 b9 33 b8 49 89 dc 48 89 da 49 81 ec 20 51 ce b7 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 20 51 ce b7 a4 48 c7 c7 b8 2e eb b8 e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 44.713173] RSP: 0018:ffff9c92c263fe50 EFLAGS: 00010246 [ 44.719006] RAX: 000000000000003c RBX: ffffffffb833b946 RCX: 0000000000656826 [ 44.726976] RDX: 0000000000000000 RSI: ffffffffb7ce5120 RDI: ffffffffb833b946 [ 44.734946] RBP: ffffffffb8eb20c2 R08: 0000000000000000 R09: 0000000000000000 [ 44.742914] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000656826 [ 44.750883] R13: ffff9c92c263ff10 R14: ffff9c92c263ff10 R15: ffff8a1743e97000 [ 44.758854] FS: 00007feef15ec580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 44.767882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.774297] CR2: ffffffffb833b946 CR3: 0000000104eea006 CR4: 00000000003706e0 [ 44.782266] Call Trace: [ 44.784993] direct_entry.cold+0x2c/0x38 [ 44.789371] full_proxy_write+0x53/0x80 [ 44.793653] vfs_write+0xe7/0x3a0 [ 44.797351] ksys_write+0x68/0xf0 [ 44.801050] do_syscall_64+0x30/0x40 [ 44.805038] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.810677] RIP: 0033:0x7feef1502833 [ 44.814665] 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 [ 44.835648] RSP: 002b:00007ffd56e1ce98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.844102] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007feef1502833 [ 44.852071] RDX: 000000000000000b RSI: 00007feef13f5000 RDI: 0000000000000001 [ 44.860039] RBP: 00007feef13f5000 R08: 00007feef13f4010 R09: 0000000000000000 [ 44.868007] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.875977] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.883942] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1744097b00 CR3: 000000010274e006 CR4: 00000000003706f0 # [ 39[ 44.910400] CR2: ffffffffb833b946 [ 44.920312] ---[ end trace 9424be860f81b6f5 ]--- [ 44.925467] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.929843] Code: 89 ff e8 de 60 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 00 39 92 02 [ 44.950826] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 [ 44.956659] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.964629] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 [ 44.972599] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 [ 44.980567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.988537] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 [ 44.996505] FS: 00007feef15ec580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 45.005544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.011959] CR2: ffffffffb833b946 CR3: 0000000104eea006 CR4: 00000000003706e0 .191121] Call Trace: # [ 39.193850] ? execute_location+0x45/0x56 # [ 39.198330] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 39.203002] ? direct_entry.cold+0x2c/0x38 # [ 39.207575] ? full_proxy_write+0x53/0x80 # [ 39.212055] ? vfs_write+0xe7/0x3a0 # [ 39.215953] ? ksys_write+0x68/0xf0 # [ 39.219845] ? do_syscall_64+0x30/0x40 # [ 39.224033] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.229869] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.256306] CR2: ffff8a1744097b00 # [ 39.260002] ---[ end trace 9424be860f81b6ec ]--- # [ 39.265155] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.269522] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 39.290502] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 39.296335] RAX: ffffffffb7ce4d50 RBX: 0000[ 45.130398] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 45.138576] lkdtm: attempting good refcount_inc() without overflow 000000000001 RCX: 0000000000000000 # [ 39.304303] RDX: 000000[ 45.145492] lkdtm: attempting bad refcount_inc() overflow 0000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 39[ 45.157735] ------------[ cut here ]------------ [ 45.169100] refcount_t: saturated; leaking memory. [ 45.174477] WARNING: CPU: 3 PID: 1971 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 .312270] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 000000[ 45.183918] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.216557] CPU: 3 PID: 1971 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 45.225223] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.232031] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 45.237869] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 [ 45.258857] RSP: 0018:ffff9c92c26e7e48 EFLAGS: 00010286 [ 45.264693] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 45.272666] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 0000000001 # [ 39.320237] R10: 00000000ffffe000 R11: 3fffffff[ 45.280642] RBP: ffffffffb8eb20cd R08: 0000000000000000 R09: 0000000000000000 ffffffff R12: 0000000000000004 # [ 39.328204] R13: ffff9c92c1[ 45.294829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 39.336[ 45.309017] R13: ffff9c92c26e7f10 R14: ffff9c92c26e7f10 R15: ffff8a1746069000 [ 45.323205] FS: 00007f349b616580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 45.332267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.338686] CR2: 00007f349b41f000 CR3: 00000001037e6002 CR4: 00000000003706e0 [ 45.346658] Call Trace: [ 45.349391] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 45.354773] direct_entry.cold+0x2c/0x38 [ 45.359176] full_proxy_write+0x53/0x80 [ 45.363483] vfs_write+0xe7/0x3a0 [ 45.367207] ksys_write+0x68/0xf0 [ 45.370907] do_syscall_64+0x30/0x40 [ 45.374924] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.380565] RIP: 0033:0x7f349b52c833 [ 45.384556] 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 [ 45.405542] RSP: 002b:00007fff34449108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 172] FS: 00007fc90589d580(0000) GS:ffff8a17bac00000(0000) knlGS[ 45.414026] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f349b52c833 [ 45.428215] RDX: 0000000000000016 RSI: 00007f349b41f000 RDI: 0000000000000001 [ 45.436187] RBP: 00007f349b41f000 R08: 00007f349b41e010 R09: 0000000000000000 [ 45.444161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.452133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.460110] irq event stamp: 0 [ 45.463549] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.470553] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 45.479693] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 45.488831] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.495834] ---[ end trace 9424be860f81b6f6 ]--- [ 45.501009] lkdtm: Overflow detected: saturated :0000000000000000 # [ 39.345208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.351624] CR2: ffff8a1744097b00 CR3: 000000010274e006 CR4: 00000000003706f0 # [ 39.359593] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.369504] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1616, name: cat # [ 39.377958] INFO: lockdep is turned off. # [ 39.382333] irq event stamp: 0 # [ 39.385729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.392728] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.401863] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.410998] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.417988] CPU: 0 PID: 1616 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 39.426626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.433428] Call Trace: # [ 39.436158] dump_stack+0x77/0x9b # [ 39.439861] ___might_sleep.cold+0xa6/0xb6 # [ 39.444438] exit_signals+0x1c/0x2e0 # [ 39.448432] do_exit+0xc2/0xaf0 # [ 39.451927] ? ksys_write+0x68/0xf0 # [ 39.455820] make_task_dead+0x2f/0x30 # [ 39.459905] rewind_stack_and_make_dead+0x17/0x20 # [ 39.465147] RIP: 0033:0x7fc9057b3833 # [ 39.469127] 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[ 45.646974] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 45.655784] lkdtm: attempting good refcount_add() without overflow 8 48 89 54 24 18 # [ 39.490108] RSP: 002b:00007ffcf23c1038 EF[ 45.668898] lkdtm: attempting bad refcount_add() overflow LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.498564] RAX:[ 45.681138] ------------[ cut here ]------------ ffffffffffffffda RBX: 000000000000000d RCX: 00007fc9057b3833 #[ 45.692511] refcount_t: saturated; leaking memory. [ 39.506524] RDX: 000000000000000d RSI: 00007fc9056a6000 RDI:[ 45.704110] WARNING: CPU: 1 PID: 2003 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000000000000001 # [ 39.514493] RBP: 00007fc9056a6000 R08: 0[ 45.719726] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0007fc9056a5010 R09: 0000000000000000 # [ 39.522462] R10: fff[ 45.752365] CPU: 1 PID: 2003 Comm: cat Tainted: G D W 5.10.169-cip26 #1 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 45.767234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 39.530431] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 45.780260] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 self[ 45.792312] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 tests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.[ 45.819511] RSP: 0018:ffff9c92c2787e48 EFLAGS: 00010286 sh # Killed # [ 39.746119] lkdtm: Performing direct entry EX[ 45.831562] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 EC_VMALLOC # [ 39.755616] lkdtm: attempting ok execution at f[ 45.845767] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 fffffffb7ce5120 # [ 39.762142] lkdtm: attempting bad executio[ 45.859962] RBP: ffffffffb8eb20e3 R08: 0000000000000000 R09: 0000000000000000 n at ffff9c92c0391000 # [ 39.774984] kernel tried to execute [ 45.874144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 NX-protected page - exploit attempt? (uid: 0) # [ 39.783350] [ 45.888335] R13: ffff9c92c2787f10 R14: ffff9c92c2787f10 R15: ffff8a174407d000 BUG: unable to handle page fault for address: ffff9c92c0391000 [ 45.902525] FS: 00007f0e290ec580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 39.797242] #PF: supervisor instruction fetch in kernel mod[ 45.917783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e # [ 39.803562] #PF: error_code(0x0011) - permissions violat[ 45.930419] CR2: 00007f0e28ef5000 CR3: 0000000104866005 CR4: 00000000003706e0 ion # [ 39.809782] PGD 100000067 P4D 100000067 PUD 100210067 [ 45.944610] Call Trace: PMD 10099c067 PTE 800000010625b063 # [ 39.818824] Oops: 0011 [ 45.953558] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [#8] SMP PTI # [ 39.822716] CPU: 3 PID: 1653 Comm: cat Tainte[ 45.965121] direct_entry.cold+0x2c/0x38 d: G D W 5.10.169-cip26 #1 # [ 39.831356] Hardwa[ 45.975716] full_proxy_write+0x53/0x80 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.838161[ 45.986221] vfs_write+0xe7/0x3a0 ] RIP: 0010:0xffff9c92c0391000 # [ 39.842539] Code: Unable to[ 45.996135] ksys_write+0x68/0xf0 access opcode bytes at RIP 0xffff9c92c0390fd6. # [ 39.850234[ 46.006047] do_syscall_64+0x30/0x40 ] RSP: 0018:ffff9c92c222fe38 EFLAGS: 00010246 # [ 39.856066] [ 46.016253] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000000[ 46.028114] RIP: 0033:0x7f0e29002833 0 # [ 39.864035] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 [ 46.038319] 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 RDI: ffff8a17bad9bf70 # [ 39.872003] RBP: ffff9c92c0391000 R0[ 46.065538] RSP: 002b:00007ffdba35a088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8: 0000000000000000 R09: 0000000000000000 # [ 39.879972] R10:[ 46.080221] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0e29002833 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d #[ 46.094411] RDX: 0000000000000016 RSI: 00007f0e28ef5000 RDI: 0000000000000001 [ 39.887940] R13: ffff9c92c222ff10 R14: ffff9c92c222ff10 R15:[ 46.108601] RBP: 00007f0e28ef5000 R08: 00007f0e28ef4010 R09: 0000000000000000 ffff8a174625b000 # [ 39.895908] FS: 00007fbbddb6a580(0000) [ 46.122791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 39.90494[ 46.136982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.9[ 46.151179] irq event stamp: 0 11359] CR2: ffff9c92c0390fd6 CR3: 0000000103da2003 CR4: 00000000[ 46.160798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 003706e0 # [ 39.919327] Call Trace: # [ 39.922075] ? exec[ 46.174017] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ute_location+0x45/0x56 # [ 39.926551] ? lkdtm_EXEC_VMALLOC+0[ 46.189373] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 x20/0x30 # [ 39.931218] ? direct_entry.cold+0x2c/0x38 # [ [ 46.204728] softirqs last disabled at (0): [<0000000000000000>] 0x0 39.935790] ? full_proxy_write+0x53/0x80 # [ 39.940265] ? v[ 46.217946] ---[ end trace 9424be860f81b6f7 ]--- fs_write+0xe7/0x3a0 # [ 39.944156] ? ksys_write+0x68/0xf0 #[ 46.229322] lkdtm: Overflow detected: saturated [ 39.948048] ? do_syscall_64+0x30/0x40 # [ 39.952230] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.958067] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.984524] CR2: ffff9c92c0391000 # [ 39.994433] ---[ end trace 9424be860f81b6ed ]--- # [ 39.999577] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.003954] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 40.024950] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 40.030784] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.038754] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 40.046723] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 40.054692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.062660] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fe[ 46.355939] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW f000 # [ 40.070628] FS: 00007fbbddb6a580(0000) GS:ffff8a17ba[ 46.366273] lkdtm: attempting bad refcount_inc_not_zero() overflow d80000(0000) knlGS:0000000000000000 # [ 40.079664] CS: 0010 [ 46.379410] ------------[ cut here ]------------ DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.086079] CR2: f[ 46.390775] refcount_t: saturated; leaking memory. fff9c92c0390fd6 CR3: 0000000103da2003 CR4: 00000000003706e0 # E[ 46.402354] WARNING: CPU: 1 PID: 2035 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 XEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC[ 46.417989] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ [ 46.450634] CPU: 1 PID: 2035 Comm: cat Tainted: G D W 5.10.169-cip26 #1 40.268055] lkdtm: Performing direct entry EXEC_RODATA # [ 40[ 46.465500] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .274010] lkdtm: attempting ok execution at ffffffffb7ce5120 # [[ 46.478525] RIP: 0010:refcount_warn_saturate+0x97/0x110 40.280550] lkdtm: attempting bad execution at ffffffffb8ad15a[ 46.490581] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 0 # [ 40.287209] kernel tried to execute NX-protected page - [ 46.517783] RSP: 0018:ffff9c92c2817e38 EFLAGS: 00010282 [ 46.529835] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 exploit attempt? (uid: 0) # [ 40.301749] BUG: unable to handl[ 46.537809] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 [ 46.551993] RBP: ffffffffb8eb1d20 R08: 0000000000000000 R09: 0000000000000000 e page fault for address: ffffffffb8ad15a0 # [ 40.309429] #PF[ 46.559971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 46.574154] R13: ffff9c92c2817f10 R14: ffff9c92c2817f10 R15: ffff8a174417f000 : supervisor instruction fetch in kernel mode # [ 40.315738] [ 46.582130] FS: 00007fdc1eec7580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 46.597382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #PF: error_code(0x0011) - permissions violation # [ 40.321958[ 46.603803] CR2: 00007fdc1ecd0000 CR3: 0000000104094001 CR4: 00000000003706e0 [ 46.617987] Call Trace: ] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 80000000716000e1 [ 46.620721] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 40.329450] Oops: 0011 [#9] SMP PTI # [ 40.333341] CPU: [ 46.633059] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 3 PID: 1689 Comm: cat Tainted: G D W 5.10.169-cip26[ 46.645516] direct_entry.cold+0x2c/0x38 #1 # [ 40.341990] Hardware name: Google Rammus/Rammus, BIOS [ 46.656117] full_proxy_write+0x53/0x80 09/04/2020 # [ 40.348798] RIP: 0010:lkdtm_rodata_do_nothing+[ 46.666615] vfs_write+0xe7/0x3a0 0x0/0x10 # [ 40.354533] Code: ff ff 3b cf 33 b8 ff ff ff ff 8[ 46.676530] ksys_write+0x68/0xf0 a 22 eb b8 ff ff ff ff 81 b6 33 b8 ff ff ff ff 55 aa 55 aa 00 00[ 46.686449] do_syscall_64+0x30/0x40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 46.696658] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 00 00 00 00 00 54 68 69 73 20 69 # [ 40.375514] RSP: 0018:f[ 46.708516] RIP: 0033:0x7fdc1eddd833 [ 46.718723] 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 fff9c92c22d7e48 EFLAGS: 00010246 # [ 40.381347] RAX: 00000000[ 46.739712] RSP: 002b:00007ffe0aee2cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 40.3[ 46.754384] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdc1eddd833 89363] RDX: 0000000000000000 RSI: ffff8a17bad9bf70 RDI: ffff8a17[ 46.768576] RDX: 000000000000001f RSI: 00007fdc1ecd0000 RDI: 0000000000000001 bad9bf70 # [ 40.397351] RBP: ffffffffb8ad15a0 R08: 0000000000[ 46.782762] RBP: 00007fdc1ecd0000 R08: 00007fdc1eccf010 R09: 0000000000000000 [ 46.796950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000 R09: 0000000000000000 # [ 40.405343] R10: 00000000ffff[ 46.804925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e000 R11: 3fffffffffffffff R12: 000000000000000c # [ 40.41333[ 46.819148] irq event stamp: 0 1] R13: ffff9c92c22d7f10 R14: ffff9c92c22d7f10 R15: ffff8a174379[ 46.828760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000 # [ 40.421320] FS: 00007fe4839fc580(0000) GS:ffff8a17ba[ 46.841958] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.857314] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 d80000(0000) knlGS:0000000000000000 # [ 40.430356] CS: 0010 [ 46.866456] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.879667] ---[ end trace 9424be860f81b6f8 ]--- DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.436771] CR2: f[ 46.884827] lkdtm: Overflow detected: saturated fffffffb8ad15a0 CR3: 0000000104e7c005 CR4: 00000000003706e0 # [ 40.444740] Call Trace: # [ 40.447468] ? execute_location+0x45/0x56 # [ 40.451943] ? direct_entry.cold+0x2c/0x38 # [ 40.456517] ? full_proxy_write+0x53/0x80 # [ 40.460994] ? vfs_write+0xe7/0x3a0 # [ 40.464884] ? ksys_write+0x68/0xf0 # [ 40.468776] ? do_syscall_64+0x30/0x40 # [ 40.472951] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.478788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.505247] CR2: ffffffffb8ad15a0 # [ 40.515175] ---[ end trace 9424be860f81b6ee ]--- # [ 40.520333] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.524708] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 40.545690] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 40.551524] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.559493] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 40.567461] RBP: ffffffffb8f0d628 R08: 000000000[ 47.023474] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 47.034275] lkdtm: attempting bad refcount_add_not_zero() overflow [ 47.041217] ------------[ cut here ]------------ 0000001 R09: 0000000000000001 # [ 40.575429] R10: 00000000fff[ 47.046417] refcount_t: saturated; leaking memory. fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.5833[ 47.057984] WARNING: CPU: 3 PID: 2067 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 47.073614] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 96] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740f[ 47.100095] CPU: 3 PID: 2067 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 47.114948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.121782] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 47.127621] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 [ 47.148610] RSP: 0018:ffff9c92c2877e38 EFLAGS: 00010282 ef000 # [ 40.591365] FS: 00007fe4839fc580(0000) GS:ffff8a17b[ 47.154448] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 47.168637] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 47.176610] RBP: ffffffffb8eb1d40 R08: 0000000000000000 R09: 0000000000000000 [ 47.184582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 47.192555] R13: ffff9c92c2877f10 R14: ffff9c92c2877f10 R15: ffff8a1744cf3000 [ 47.200528] FS: 00007f9eda6f4580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 47.209571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.215990] CR2: 00007f9eda4fd000 CR3: 0000000104eda003 CR4: 00000000003706e0 [ 47.223961] Call Trace: [ 47.226693] __refcount_add_not_zero.constprop.0+0x2a/0x35 ad80000(0000) knlGS:0000000000000000 # [ 40.600402] CS: 0010[ 47.232824] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 47.245262] direct_entry.cold+0x2c/0x38 [ 47.249644] full_proxy_write+0x53/0x80 [ 47.253929] vfs_write+0xe7/0x3a0 [ 47.257655] ksys_write+0x68/0xf0 [ 47.261356] do_syscall_64+0x30/0x40 [ 47.265348] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.270990] RIP: 0033:0x7f9eda60a833 [ 47.274981] 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 [ 47.295969] RSP: 002b:00007fffadf6eec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.304428] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9eda60a833 [ 47.312398] RDX: 000000000000001f RSI: 00007f9eda4fd000 RDI: 0000000000000001 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.606817] CR2: [ 47.320363] RBP: 00007f9eda4fd000 R08: 00007f9eda4fc010 R09: 0000000000000000 ffffffffb8ad15a0 CR3: 0000000104e7c005 CR4: 00000000003706e0 # [ 47.334554] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.348754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.614787] BUG: sleeping function called from invalid contex[ 47.356741] irq event stamp: 0 [ 47.366354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.373358] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 47.382497] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 47.391637] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.398639] ---[ end trace 9424be860f81b6f9 ]--- [ 47.403797] lkdtm: Overflow detected: saturated t at include/linux/percpu-rwsem.h:49 # [ 40.624698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1689, name: cat # [ 40.633154] INFO: lockdep is turned off. # [ 40.637531] irq event stamp: 0 # [ 40.640937] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.647936] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.657070] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.666205] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.673204] CPU: 3 PID: 1689 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 40.681853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.688657] Call Trace: # [ 40.691385] dump_stack+0x77/0x9b # [ 40.695084] ___might_sleep.cold+0xa6/0xb6 # [ 40.699654] exit_signals+0x1c/0x2e0 # [ 40.703642] do_exit+0xc2/0xaf0 # [ 40.707146] ? ksys_write+0x68/0xf0 # [ 40.711038] make_task_dead+0x2f/0x30 # [ 40.715125] rewind_stack_and_make_dead+0x17/0x20 # [ 40.720375] RIP: 0033:0x7fe483912833 # [ 40.724364] 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 # [ 40.745338] RSP: 002b:[ 47.534758] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 00007ffe20b68e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.545751] lkdtm: attempting good refcount_dec() [ 40.753795] RAX: ffffffffffffffda RBX: 000000000000000c RCX: [ 47.557223] lkdtm: attempting bad refcount_dec() to zero [ 47.569351] ------------[ cut here ]------------ 00007fe483912833 # [ 40.761764] RDX: 000000000000000c RSI: 00[ 47.574508] refcount_t: decrement hit 0; leaking memory. 007fe483805000 RDI: 0000000000000001 # [ 40.769735] RBP: 0000[ 47.586699] WARNING: CPU: 1 PID: 2099 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 7fe483805000 R08: 00007fe483804010 R09: 0000000000000000 # [ [ 47.602317] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 40.777704] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000[ 47.634959] CPU: 1 PID: 2099 Comm: cat Tainted: G D W 5.10.169-cip26 #1 000000000001 # [ 40.785672] R13: 0000000000000001 R14: 000000[ 47.649851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace[ 47.662873] RIP: 0010:refcount_warn_saturate+0xfb/0x110 :': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkd[ 47.674902] Code: 08 d8 e4 b8 c6 05 82 e8 93 01 01 e8 91 00 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 e4 b8 c6 05 69 e8 93 01 01 e8 77 00 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 47.702103] RSP: 0018:ffff9c92c293fe48 EFLAGS: 00010286 tm: EXEC_USERSPACE.sh # Killed # [ 40.904254] lkdtm: Perform[ 47.707942] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 47.722123] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 ing direct entry EXEC_USERSPACE # [ 40.911605] lkdtm: attempt[ 47.730099] RBP: ffffffffb8eb20f9 R08: 0000000000000000 R09: 0000000000000000 [ 47.744280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ing ok execution at ffffffffb7ce5120 # [ 40.924350] lkdtm: at[ 47.752255] R13: ffff9c92c293ff10 R14: ffff9c92c293ff10 R15: ffff8a1745728000 [ 47.766440] FS: 00007f85bd571580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 tempting bad execution at 00007fb8de137000 # [ 40.937181] una[ 47.775483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.788113] CR2: 00007f85bd37a000 CR3: 0000000104f7c006 CR4: 00000000003706e0 ble to execute userspace code (SMEP?) (uid: 0) # [ 40.949808][ 47.796086] Call Trace: BUG: unable to handle page fault for address: 00007fb8de137000 [ 47.805029] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 40.957487] #PF: supervisor instruction fetch in kernel mo[ 47.816207] direct_entry.cold+0x2c/0x38 de # [ 40.963804] #PF: error_code(0x0011) - permissions viola[ 47.826804] full_proxy_write+0x53/0x80 tion # [ 40.970025] PGD 80000001057e7067 P4D 80000001057e7067[ 47.837305] vfs_write+0xe7/0x3a0 PUD 103fba067 PMD 106069067 PTE 10a6cd067 # [ 40.985964] Oop[ 47.847220] ksys_write+0x68/0xf0 [ 47.857138] do_syscall_64+0x30/0x40 s: 0011 [#10] SMP PTI # [ 40.989954] CPU: 1 PID: 1725 Comm: c[ 47.861157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 at Tainted: G D W 5.10.169-cip26 #1 # [ 40.99860[ 47.873009] RIP: 0033:0x7f85bd487833 6] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 47.883217] 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 41.005411] RIP: 0010:0x7fb8de137000 # [ 41.009390] Code: Unab[ 47.910420] RSP: 002b:00007ffe0138c428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 le to access opcode bytes at RIP 0x7fb8de136fd6. [ 47.925094] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f85bd487833 [ 47.937923] RDX: 0000000000000012 RSI: 00007f85bd37a000 RDI: 0000000000000001 [ 47.945897] RBP: 00007f85bd37a000 R08: 00007f85bd379010 R09: 0000000000000000 [ 47.953871] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.016679] RSP: 0018:ffff9c92c2377e50 EFLAGS: 00010246 [ 47.961846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.022529] RAX: 0000000000000033 RBX: 0000000000000024 RCX[ 47.975847] irq event stamp: 0 [ 47.985465] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 [ 47.992472] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.003551] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.030503] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI[ 48.012691] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.025909] ---[ end trace 9424be860f81b6fa ]--- : ffff8a17bac9bf70 # [ 41.038465] RBP: 00007fb8de137000 R08: [ 48.031066] lkdtm: Zero detected: saturated 0000000000000000 R09: 0000000000000000 # [ 41.046429] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 41.054419] R13: ffff9c92c2377f10 R14: ffff9c92c2377f10 R15: ffff8a1744fb9000 # [ 41.062409] FS: 00007fb8de108580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 41.071454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.077869] CR2: 00007fb8de137000 CR3: 0000000104f8a006 CR4: 00000000003706e0 # [ 41.085839] Call Trace: # [ 41.088567] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 41.093916] ? direct_entry.cold+0x2c/0x38 # [ 41.104702] ? full_proxy_write+0x53/0x80 # [ 41.109179] ? vfs_write+0xe7/0x3a0 # [ 41.119283] ? ksys_write+0x68/0xf0 # [ 41.123167] ? do_syscall_64+0x30/0x40 # [ 41.127351] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.133189] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.165830] CR2: 00007fb8de137000 # [ 41.169519] ---[ end trace 9424be860f81b6[ 48.152511] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 48.164231] lkdtm: attempting bad refcount_dec() below zero [ 48.170457] ------------[ cut here ]------------ [ 48.175650] refcount_t: decrement hit 0; leaking memory. [ 48.181644] WARNING: CPU: 3 PID: 2134 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ef ]--- # [ 41.174665] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41[ 48.191082] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.223718] CPU: 3 PID: 2134 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 48.232404] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.239214] RIP: 0010:refcount_warn_saturate+0xfb/0x110 .179042] Code: 89 ff e8 de 60 a3 ff 48 c7 c0 ea ff ff ff eb de 4[ 48.245053] Code: 08 d8 e4 b8 c6 05 82 e8 93 01 01 e8 91 00 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 e4 b8 c6 05 69 e8 93 01 01 e8 77 00 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 48.272256] RSP: 0018:ffff9c92c29c7e48 EFLAGS: 00010286 8 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f[ 48.278099] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 48.292290] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 48.300275] RBP: ffffffffb8eb210b R08: 0000000000000000 R09: 0000000000000000 [ 48.308285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8[ 48.316284] R13: ffff9c92c29c7f10 R14: ffff9c92c29c7f10 R15: ffff8a1743ed3000 [ 48.330464] FS: 00007f7b2aba5580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 48.339525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.345944] CR2: 00007f7b2a9ae000 CR3: 0000000103cf8006 CR4: 00000000003706e0 [ 48.353916] Call Trace: [ 48.356648] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 48.362031] direct_entry.cold+0x2c/0x38 [ 48.366436] full_proxy_write+0x53/0x80 [ 48.370744] vfs_write+0xe7/0x3a0 [ 48.374468] ksys_write+0x68/0xf0 [ 48.378186] do_syscall_64+0x30/0x40 3 05 00 39 92 02 # [ 41.200026] RSP: 0018:ffff9c92c1317e60 EF[ 48.382186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.394037] RIP: 0033:0x7f7b2aabb833 [ 48.398028] 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 [ 48.419014] RSP: 002b:00007ffdba5bf088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.427473] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7b2aabb833 [ 48.435445] RDX: 0000000000000016 RSI: 00007f7b2a9ae000 RDI: 0000000000000001 [ 48.443417] RBP: 00007f7b2a9ae000 R08: 00007f7b2a9ad010 R09: 0000000000000000 [ 48.451389] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.459361] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.467337] irq event stamp: 0 LAGS: 00010286 # [ 41.205850] RAX: ffffffffb7ce4d50 RBX: 0000[ 48.470769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.483982] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 000000000001 RCX: 0000000000000000 # [ 41.213819] RDX: 000000[ 48.493141] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.508493] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.515494] ---[ end trace 9424be860f81b6fb ]--- 0000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 41[ 48.520651] lkdtm: Negative detected: saturated .221787] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 41.229756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.237725] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 41.245695] FS: 00007fb8de108580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 41.254735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.261158] CR2: 00007fb8de137000 CR3: 0000000104f8a006 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 41.373444] lkdtm: Performing direct entry EXEC_NULL # [ 41.380381] lkdtm: attempting ok execution at ffffffffb7ce5120 # [ 41.386945] lkdtm: attempting bad execution at 0000000000000000 # [ 41.393619] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 41.401410] #PF: supervisor instruction fetch in kernel mode # [ 41.407731] #PF: error_code(0x0010) - not-present page # [ 41.413467] PGD 0 P4D 0 # [ 41.416291] Oops: 0010 [#11] SMP PTI # [ 41.420278] CPU: 2 PID: 1761 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 41.428947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.435752] RIP: 0010:0x0 # [ 41.438672] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 41.446349] RSP: 0018:ffff[ 48.665349] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 9c92c23bfe48 EFLAGS: 00010246 # [ 41.452182] RAX: 00000000000[ 48.676260] lkdtm: attempting bad refcount_dec_and_test() below zero 00033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 41.4601[ 48.689567] ------------[ cut here ]------------ 49] RDX: 0000000000000000 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad[ 48.700961] refcount_t: underflow; use-after-free. 1bf70 # [ 41.468117] RBP: 0000000000000000 R08: 0000000000000[ 48.712551] WARNING: CPU: 0 PID: 2169 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000 R09: 0000000000000000 # [ 41.476086] R10: 00000000ffffe00[ 48.728208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 R11: 3fffffffffffffff R12: 000000000000000a # [ 41.484055] [ 48.760851] CPU: 0 PID: 2169 Comm: cat Tainted: G D W 5.10.169-cip26 #1 R13: ffff9c92c23bff10 R14: ffff9c92c23bff10 R15: ffff8a17426dc00[ 48.775735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 41.492024] FS: 00007f5ee12c4580(0000) GS:ffff8a17bad00[ 48.788767] RIP: 0010:refcount_warn_saturate+0xba/0x110 000(0000) knlGS:0000000000000000 # [ 41.501061] CS: 0010 DS:[ 48.800838] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 0000 ES: 0000 CR0: 0000000080050033 # [ 41.507477] CR2: ffff[ 48.828066] RSP: 0018:ffff9c92c2a37e40 EFLAGS: 00010286 ffffffffffd6 CR3: 00000001055b6003 CR4: 00000000003706e0 # [ [ 48.840110] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 41.515435] Call Trace: # [ 41.518163] execute_location+0x45/[ 48.854332] RDX: ffff8a17bac2c660 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 0x56 # [ 41.522445] direct_entry.cold+0x2c/0x38 # [ 41.52[ 48.868501] RBP: ffffffffb8eb1d60 R08: 0000000000000000 R09: 0000000000000000 6826] full_proxy_write+0x53/0x80 # [ 41.531109] vfs_write+0[ 48.882727] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f xe7/0x3a0 # [ 41.541018] ksys_write+0x68/0xf0 # [ 41.5447[ 48.896917] R13: ffff9c92c2a37f10 R14: ffff9c92c2a37f10 R15: ffff8a1743e0c000 17] do_syscall_64+0x30/0x40 # [ 41.548705] entry_SYSCALL_64[ 48.911083] FS: 00007f6b4d5a2580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 _after_hwframe+0x61/0xc6 # [ 41.554343] RIP: 0033:0x7f5ee11da[ 48.926346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 833 # [ 41.558330] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 [ 48.938983] CR2: 00007f6b4d3ab000 CR3: 0000000104f7c004 CR4: 00000000003706f0 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 48.953168] Call Trace: 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 [ 48.962141] __refcount_sub_and_test.constprop.0+0x3c/0x50 00 48 83 ec 28 48 89 54 24 18 # [ 41.579314] RSP: 002b:00007f[ 48.974450] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 fd646a0438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41[ 48.986931] direct_entry.cold+0x2c/0x38 .587761] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f[ 48.997521] full_proxy_write+0x53/0x80 5ee11da833 # [ 41.595738] RDX: 000000000000000a RSI: 00007f5e[ 49.008039] vfs_write+0xe7/0x3a0 e10cd000 RDI: 0000000000000001 # [ 41.603727] RBP: 00007f5ee1[ 49.017941] ksys_write+0x68/0xf0 0cd000 R08: 00007f5ee10cc010 R09: 0000000000000000 # [ 41.611[ 49.027896] do_syscall_64+0x30/0x40 717] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 49.038085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000001 # [ 41.619708] R13: 0000000000000001 R14: 000000000002[ 49.049970] RIP: 0033:0x7f6b4d4b8833 0000 R15: 0000000000020000 # [ 41.627684] Modules linked in: [ 49.060150] 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 fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio[ 49.087335] RSP: 002b:00007fff438bd118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_c[ 49.102039] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6b4d4b8833 hardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pk[ 49.116218] RDX: 000000000000001f RSI: 00007f6b4d3ab000 RDI: 0000000000000001 g_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.660316] C[ 49.130413] RBP: 00007f6b4d3ab000 R08: 00007f6b4d3aa010 R09: 0000000000000000 R2: 0000000000000000 # [ 41.664014] ---[ end trace 9424be860f[ 49.144596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 81b6f0 ]--- # [ 41.669160] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 49.158793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 41.673536] Code: 89 ff e8 de 60 a3 ff 48 c7 c0 ea ff ff ff eb [ 49.172982] irq event stamp: 0 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c[ 49.182593] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 49.195837] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00 83 05 00 39 92 02 # [ 41.694520] RSP: 0018:ffff9c92c1317e6[ 49.211180] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0 EFLAGS: 00010286 # [ 41.700344] RAX: ffffffffb7ce4d50 RBX: [ 49.226541] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000001 RCX: 0000000000000000 # [ 41.708312] RDX: 00[ 49.239739] ---[ end trace 9424be860f81b6fc ]--- 00000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ [ 49.251128] lkdtm: Negative detected: saturated 41.716280] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 41.724249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.732217] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 41.740185] FS: 00007f5ee12c4580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 41.749224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.755640] CR2: ffffffffffffffd6 CR3: 00000001055b6003 CR4: 00000000003706e0 # [ 41.763610] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.773523] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1761, name: cat # [ 41.781978] INFO: lockdep is turned off. # [ 41.786353] irq event stamp: 0 # [ 41.789758] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.796757] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.805883] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.815016] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.822015] CPU: 2 PID: 1761 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 41.830665] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.837486] Call Trace: # [ 41.840214] dump_stack+0x77/0x9b # [ 41.843913] ___might_sleep.cold+0xa6/0xb6 # [ 41.848487] exit_signals+0x1c/0x2e0 # [ 41.852476] do_exit+0xc2/0xaf0 # [ 41.855980] ? ksys_write+0x68/0xf0 # [ 41.859872] make_task_dead+0x2f/0x30 # [ 41.863949] rewind_stack_and_make_dead+0x17/0x20 # [ 41.869200] RIP: 0033:0x7f5ee11da833 # [ [ 49.421050] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 49.431753] lkdtm: attempting bad refcount_sub_and_test() below zero 41.873188] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 49.438878] ------------[ cut here ]------------ [ 49.450235] refcount_t: underflow; use-after-free. ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 49.455598] WARNING: CPU: 3 PID: 2204 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 49.471231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 49.497696] CPU: 3 PID: 2204 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 49.512551] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ec 28 48 89 54 24 18 # [ 41.894170] RSP: 002b:00007ffd646a043[ 49.519386] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 49.531434] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 49.552422] RSP: 0018:ffff9c92c2aafe40 EFLAGS: 00010286 [ 49.558261] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 49.566234] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 49.574209] RBP: ffffffffb8eb1d80 R08: 0000000000000000 R09: 0000000000000000 [ 49.582182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 49.590156] R13: ffff9c92c2aaff10 R14: ffff9c92c2aaff10 R15: ffff8a174541e000 [ 49.598131] FS: 00007f4733600580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 49.607173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.613593] CR2: 00007f4733409000 CR3: 000000010541c004 CR4: 00000000003706e0 [ 49.621566] Call Trace: [ 49.624298] __refcount_sub_and_test.constprop.0+0x3c/0x50 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.902626] [ 49.630454] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 49.642891] direct_entry.cold+0x2c/0x38 [ 49.647306] full_proxy_write+0x53/0x80 [ 49.651625] vfs_write+0xe7/0x3a0 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5ee11da83[ 49.655332] ksys_write+0x68/0xf0 [ 49.665244] do_syscall_64+0x30/0x40 [ 49.669269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.674944] RIP: 0033:0x7f4733516833 [ 49.678936] 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 [ 49.699925] RSP: 002b:00007ffdb42e5478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.708410] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4733516833 [ 49.716385] RDX: 000000000000001f RSI: 00007f4733409000 RDI: 0000000000000001 [ 49.724360] RBP: 00007f4733409000 R08: 00007f4733408010 R09: 0000000000000000 3 # [ 41.910594] RDX: 000000000000000a RSI: 00007f5ee10cd000 [ 49.732335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 RDI: 0000000000000001 # [ 41.918562] RBP: 00007f5ee10cd000 R0[ 49.746525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.760739] irq event stamp: 0 8: 00007f5ee10cc010 R09: 0000000000000000 # [ 41.926533] R10:[ 49.764149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 49.777363] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.792716] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.801855] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.808855] ---[ end trace 9424be860f81b6fd ]--- [ 49.814012] lkdtm: Negative detected: saturated [ 41.934502] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 42.075446] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 42.085656] lkdtm: attempting bad read at 00007fbca1c59000 # [ 42.091800] BUG: unable to handle page fault for address: 00007fbca1c59000 # [ 42.099486] #PF: supervisor read access in kernel mode # [ 42.105223] #PF: error_code(0x0001) - permissions violation # [ 42.111447] PGD 8000000104049067 P4D 8000000104049067 PUD 10548a067 PMD 1027b9067 PTE 108597067 # [ 42.127386] Oops: 0001 [#12] SMP PTI # [ 42.131377] CPU: 2 PID: 1796 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 42.140027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.146835] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 42.159273] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 2f eb b8 e8 3e 96 fd ff 48 c7 c7 d0 2f eb b8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 f8 2f eb # [ 42.180261] RSP: 0018:ffff9c92c245fe48 EFLAGS: 00010246 # [ 42.192307] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 42.200275] RDX: 0000000000000000 RSI: ffff8a17bad1bf7[ 49.947938] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 49.956017] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 49.963160] lkdtm: Good: zero detected [ 49.967376] lkdtm: Correctly stayed at zero [ 49.972070] lkdtm: attempting bad refcount_inc() from zero [ 49.978212] ------------[ cut here ]------------ [ 49.983375] refcount_t: addition on 0; use-after-free. [ 49.989128] WARNING: CPU: 3 PID: 2236 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 49.998566] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 RDI: ffffffffb8eb2fd0 # [ 42.208245] RBP: 00007fbca1c59000 [ 50.025029] CPU: 3 PID: 2236 Comm: cat Tainted: G D W 5.10.169-cip26 #1 R08: 0000000000000000 R09: 0000000000000000 # [ 42.216213] R1[ 50.039892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.052917] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 50.058784] Code: 01 01 e8 21 01 95 00 0f 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 b8 c6 05 f2 e8 93 01 01 e8 fe 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 [ 50.079774] RSP: 0018:ffff9c92c2b37e48 EFLAGS: 00010286 [ 50.085643] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 50.093619] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 50.101591] RBP: ffffffffb8eb2121 R08: 0000000000000000 R09: 0000000000000000 [ 50.109565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 50.117540] R13: ffff9c92c2b37f10 R14: ffff9c92c2b37f10 R15: ffff8a17457ee000 [ 50.125515] FS: 00007f9239ea9580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 50.134558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.140978] CR2: 00007f9239cb2000 CR3: 0000000105628004 CR4: 00000000003706e0 [ 50.148952] Call Trace: [ 50.151686] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 50.156682] direct_entry.cold+0x2c/0x38 [ 50.161094] full_proxy_write+0x53/0x80 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 50.165404] vfs_write+0xe7/0x3a0 [ 50.175319] ksys_write+0x68/0xf0 [ 50.179052] do_syscall_64+0x30/0x40 [ 50.183077] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.188751] RIP: 0033:0x7f9239dbf833 [ 50.192742] 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 [ 50.213731] RSP: 002b:00007ffc086550d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.222217] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9239dbf833 [ 50.230214] RDX: 0000000000000012 RSI: 00007f9239cb2000 RDI: 0000000000000001 [ 50.238189] RBP: 00007f9239cb2000 R08: 00007f9239cb1010 R09: 0000000000000000 [ 50.246164] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.254136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.262130] irq event stamp: 0 # [ 42.224182] R13: ffff9c92c245ff10 R14: ffff9c92c245ff10 R1[ 50.265547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.278758] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 50.287901] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 50.297064] softirqs last disabled at (0): [<0000000000000000>] 0x0 5: ffff8a174576e000 # [ 42.232152] FS: 00007fbca1c2a580(0000[ 50.304069] ---[ end trace 9424be860f81b6fe ]--- ) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 42.241[ 50.315442] lkdtm: Zero detected: saturated 202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.247618] CR2: 00007fbca1c59000 CR3: 00000001055b6006 CR4: 00000000003706e0 # [ 42.255588] Call Trace: # [ 42.258316] direct_entry.cold+0x2c/0x38 # [ 42.262694] full_proxy_write+0x53/0x80 # [ 42.266989] vfs_write+0xe7/0x3a0 # [ 42.270718] ksys_write+0x68/0xf0 # [ 42.274408] do_syscall_64+0x30/0x40 # [ 42.278398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.284038] RIP: 0033:0x7fbca1b40833 # [ 42.288026] 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 # [ 42.309010] RSP: 002b:00007ffe70a1f388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.317458] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fbca1b40833 # [ 42.325427] RDX: 0000000000000011 RSI: 00007fbca1a33000 RDI: 0000000000000001 # [ 42.333397] RBP: 00007fbca1a33000 R08: 00007fbca1a32010 R09: 0000000000000000 # [ 42.341366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.349335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.440689] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 42.357310] Modules linked in: fuse ip_tables cros_ec_senso[ 50.451075] lkdtm: attempting safe refcount_add_not_zero() from zero rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf [ 50.464413] lkdtm: Good: zero detected industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros[ 50.474818] lkdtm: Correctly stayed at zero _ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev c[ 50.485706] lkdtm: attempting bad refcount_add() from zero ros_usbpd_notify # [ 42.383771] CR2: 00007fbca1c59000 # [ [ 50.498050] ------------[ cut here ]------------ 42.393680] ---[ end trace 9424be860f81b6f1 ]--- # [ 42.398848[ 50.509451] refcount_t: addition on 0; use-after-free. ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.403224] Code: 89 ff e8 [ 50.521435] WARNING: CPU: 0 PID: 2268 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 de 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c[ 50.537077] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 [ 50.569751] CPU: 0 PID: 2268 Comm: cat Tainted: G D W 5.10.169-cip26 #1 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 39 92 02 # [ [ 50.584614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 42.424206] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 42[ 50.597640] RIP: 0010:refcount_warn_saturate+0x74/0x110 .430040] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 000000[ 50.609719] Code: 01 01 e8 21 01 95 00 0f 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 b8 c6 05 f2 e8 93 01 01 e8 fe 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 0000000000 # [ 42.438010] RDX: 0000000000000000 RSI: ffff8a17[ 50.636904] RSP: 0018:ffff9c92c2affe48 EFLAGS: 00010286 bac9bf70 RDI: ffffffffb8ad1110 # [ 42.445979] RBP: ffffffffb8[ 50.648989] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 42.453[ 50.663166] RDX: ffff8a17bac2c660 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 50.677397] RBP: ffffffffb8eb2133 R08: 0000000000000000 R09: 0000000000000000 000004 # [ 42.461919] R13: ffff9c92c1317f10 R14: ffff9c92c131[ 50.691537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 7f10 R15: ffff8a1740fef000 # [ 42.469890] FS: 00007fbca1c2a5[ 50.705760] R13: ffff9c92c2afff10 R14: ffff9c92c2afff10 R15: ffff8a1745580000 80(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ [ 50.719909] FS: 00007f247dbda580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 42.478928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 50.735238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.485344] CR2: 00007fbca1c59000 CR3: 00000001055b6006 CR4:[ 50.747802] CR2: 00007f247d9e3000 CR3: 0000000103ea2006 CR4: 00000000003706f0 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok[ 50.762033] Call Trace: 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: A[ 50.770938] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 CCESS_NULL.sh # Killed # [ 42.596814] lkdtm: Performing dire[ 50.782161] direct_entry.cold+0x2c/0x38 ct entry ACCESS_NULL # [ 42.604806] lkdtm: attempting bad rea[ 50.792715] full_proxy_write+0x53/0x80 d at 0000000000000000 # [ 42.617211] BUG: kernel NULL pointer[ 50.803276] vfs_write+0xe7/0x3a0 dereference, address: 0000000000000000 # [ 42.631131] #PF: s[ 50.813176] ksys_write+0x68/0xf0 upervisor read access in kernel mode # [ 42.636866] #PF: erro[ 50.823094] do_syscall_64+0x30/0x40 r_code(0x0000) - not-present page # [ 42.642603] PGD 0 P4D 0 [ 50.833292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.645428] Oops: 0000 [#13] SMP PTI # [ 42.649407] CP[ 50.845196] RIP: 0033:0x7f247daf0833 U: 0 PID: 1831 Comm: cat Tainted: G D W 5.10.169-ci[ 50.855363] 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 p26 #1 # [ 42.658046] Hardware name: Google Rammus/Rammus, BI[ 50.882574] RSP: 002b:00007fffde1cb888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 OS 09/04/2020 # [ 42.664852] RIP: 0010:lkdtm_ACCESS_NULL+0x1[ 50.897245] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f247daf0833 4/0x53 # [ 42.670107] Code: e2 95 fd ff be 00 10 00 00 48 89 [ 50.911424] RDX: 0000000000000012 RSI: 00007f247d9e3000 RDI: 0000000000000001 ef e8 7a c4 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c[ 50.925630] RBP: 00007f247d9e3000 R08: 00007f247d9e2010 R09: 0000000000000000 7 a8 2f eb b8 e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 [ 50.939824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 de c0 48 c7 c7 d0 2f eb b8 48 01 # [ 42.691088] RSP: 0018:fff[ 50.953997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f9c92c24d7e58 EFLAGS: 00010246 # [ 42.696922] RAX: 0000000000[ 50.968232] irq event stamp: 0 00002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 42.704[ 50.977870] hardirqs last enabled at (0): [<0000000000000000>] 0x0 890] RDX: 0000000000000000 RSI: ffff8a17bac1bf70 RDI: ffff8a17ba[ 50.991091] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 c1bf70 # [ 42.712858] RBP: ffffffffb8eb2099 R08: 000000000000[ 51.006470] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0000 R09: 0000000000000000 # [ 42.720826] R10: 00000000ffffe0[ 51.021808] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 R11: 3fffffffffffffff R12: 000000000000000c # [ 42.728796][ 51.035064] ---[ end trace 9424be860f81b6ff ]--- [ 51.046419] lkdtm: Zero detected: saturated R13: ffff9c92c24d7f10 R14: ffff9c92c24d7f10 R15: ffff8a1743383000 # [ 42.736758] FS: 00007f78ae064580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 # [ 42.745796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.752203] CR2: 0000000000000000 CR3: 00000001054ea004 CR4: 00000000003706f0 # [ 42.760170] Call Trace: # [ 42.762897] direct_entry.cold+0x2c/0x38 # [ 42.767281] full_proxy_write+0x53/0x80 # [ 42.771568] vfs_write+0xe7/0x3a0 # [ 42.775272] ksys_write+0x68/0xf0 # [ 42.778971] do_syscall_64+0x30/0x40 # [ 42.782967] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.788606] RIP: 0033:0x7f78adf7a833 # [ 42.792594] 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 # [ 42.813568] RSP: 002b:00007ffe35f34cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.822024] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f78adf7a833 # [ 42.829992] RDX: 000000000000000c RSI: 00007f78ade6d000 RDI: 0000000000000001 # [ 42.837960] RBP: 00007f78ade6d000 R08: 00007f78ade6c010 R09: 00000000000[ 51.164506] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 51.176029] lkdtm: attempting bad refcount_inc() from saturated 00000 # [ 42.845929] R10: fffffffffffffbc5 R11: 0000000000000[ 51.182652] ------------[ cut here ]------------ 246 R12: 0000000000000001 # [ 42.853896] R13: 000000000000000[ 51.194020] refcount_t: saturated; leaking memory. 1 R14: 0000000000020000 R15: 0000000000020000 # [ 42.861870] [ 51.205596] WARNING: CPU: 3 PID: 2303 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 51.221231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 51.247691] CPU: 3 PID: 2303 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 51.262579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 51.269404] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 51.281443] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 [ 51.302460] RSP: 0018:ffff9c92c2c47e48 EFLAGS: 00010286 [ 51.308299] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 51.316273] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 51.324247] RBP: ffffffffb8eb2145 R08: 0000000000000000 R09: 0000000000000000 [ 51.332218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 51.340192] R13: ffff9c92c2c47f10 R14: ffff9c92c2c47f10 R15: ffff8a1740fe2000 [ 51.348164] FS: 00007f56dcac5580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 51.357207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.363625] CR2: 00007f56dc8ce000 CR3: 0000000103f10002 CR4: 00000000003706e0 [ 51.371599] Call Trace: [ 51.374332] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 51.379812] direct_entry.cold+0x2c/0x38 [ 51.384224] full_proxy_write+0x53/0x80 [ 51.388541] vfs_write+0xe7/0x3a0 [ 51.392272] ksys_write+0x68/0xf0 [ 51.395992] do_syscall_64+0x30/0x40 [ 51.400017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.405662] RIP: 0033:0x7f56dc9db833 [ 51.409684] 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 [ 51.430672] RSP: 002b:00007fff745cea98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.439162] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f56dc9db833 [ 51.447137] RDX: 0000000000000017 RSI: 00007f56dc8ce000 RDI: 0000000000000001 [ 51.455108] RBP: 00007f56dc8ce000 R08: 00007f56dc8cd010 R09: 0000000000000000 [ 51.463083] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.471055] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_[ 51.479034] irq event stamp: 0 ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.488655] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.501878] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.888309] CR2: 0000000000000000 # [ 42.892007] ---[ e[ 51.511046] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.526390] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.533392] ---[ end trace 9424be860f81b700 ]--- [ 51.538550] lkdtm: Saturation detected: still saturated nd trace 9424be860f81b6f2 ]--- # [ 42.897161] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.901529] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 42.922502] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 42.928335] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.936294] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 42.944263] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 42.952232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.960200] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 42.968169] FS: 00007f78ae064580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 # [ 42.977207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.983623] CR2: 0000000000000000 CR3: 00000001054ea004 CR4: 00000000003706f0 # [ 42.991586] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 43.001498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1831, name: cat # [ 43.009944] INFO: lockdep is turned off. # [ 43.014320] irq event stamp: 0 # [ 43.017724] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.024724] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.033859] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.042991] softirqs last [ 51.769654] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 51.781705] Code: 08 d8 e4 b8 c6 05 82 e8 93 01 01 e8 91 00 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 e4 b8 c6 05 69 e8 93 01 01 e8 77 00 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 51.802692] RSP: 0018:ffff9c92c2ccfe48 EFLAGS: 00010286 [ 51.808529] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 51.816502] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 51.824476] RBP: ffffffffb8eb215c R08: 0000000000000000 R09: 0000000000000000 [ 51.832450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 51.840422] R13: ffff9c92c2ccff10 R14: ffff9c92c2ccff10 R15: ffff8a17456cc000 [ 51.848394] FS: 00007f0abcab3580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 51.857435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.863852] CR2: 00007f0abc8bc000 CR3: 000000010557c006 CR4: 00000000003706e0 [ 51.871842] Call Trace: [ 51.874575] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 51.880054] direct_entry.cold+0x2c/0x38 [ 51.884458] full_proxy_write+0x53/0x80 [ 51.888743] vfs_write+0xe7/0x3a0 [ 51.892474] ksys_write+0x68/0xf0 [ 51.896175] do_syscall_64+0x30/0x40 [ 51.900190] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.905835] RIP: 0033:0x7f0abc9c9833 [ 51.909833] 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 [ 51.930822] RSP: 002b:00007ffd1ea9dcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.939283] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0abc9c9833 [ 51.947256] RDX: 0000000000000017 RSI: 00007f0abc8bc000 RDI: 0000000000000001 [ 51.955231] RBP: 00007f0abc8bc000 R08: 00007f0abc8bb010 R09: 0000000000000000 [ 51.963202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.971176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.979152] irq event stamp: 0 disabled at (0): [<0000000000000000>] 0x0 # [ 43.049988] CPU:[ 51.982586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.995805] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.004945] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.014085] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.021087] ---[ end trace 9424be860f81b701 ]--- [ 52.026243] lkdtm: Saturation detected: still saturated 0 PID: 1831 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 43.058634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.065436] Call Trace: # [ 43.068164] dump_stack+0x77/0x9b # [ 43.071867] ___might_sleep.cold+0xa6/0xb6 # [ 43.076445] exit_signals+0x1c/0x2e0 # [ 43.080434] do_exit+0xc2/0xaf0 # [ 43.083938] ? ksys_write+0x68/0xf0 # [ 43.087829] make_task_dead+0x2f/0x30 # [ 43.091906] rewind_stack_and_make_dead+0x17/0x20 # [ 43.097147] RIP: 0033:0x7f78adf7a833 # [ 43.101135] 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 # [ 43.122117] RSP: 002b:00007ffe35f34cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.130564] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f78adf7a833 # [ 43.138532] RDX: 000000000000000c RSI: 00007f78ade6d000 RDI: 0000000000000001 # [ 43.146501] RBP: 00007f78ade6d000 R08: 00007f78ade6c010 R09: 0000000000000000 # [ 43.154469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.162437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 43.311314] lkdtm: Performing direct entry WRITE_RO # [ 43.318837] lkdtm: attempting bad rodata write at ffffffffb8ad1590 # [ 43.331980] BUG: unable to handle page fault for address: ffffffffb8ad1590 # [ 43.345827] #PF: supervisor write access in kernel mode # [ 43.351660[ 52.189604] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 52.200514] lkdtm: attempting bad refcount_dec() from saturated [ 52.207164] ------------[ cut here ]------------ ] #PF: error_code(0x0003) - permissions violation # [ 43.3578[ 52.212343] refcount_t: saturated; leaking memory. [ 52.223910] WARNING: CPU: 3 PID: 2373 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 52.233349] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.259801] CPU: 3 PID: 2373 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 52.268484] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.275292] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 52.281130] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 [ 52.302137] RSP: 0018:ffff9c92c2d47e48 EFLAGS: 00010286 [ 52.307975] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 52.315949] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 52.323925] RBP: ffffffffb8eb2173 R08: 0000000000000000 R09: 0000000000000000 [ 52.331927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 52.339902] R13: ffff9c92c2d47f10 R14: ffff9c92c2d47f10 R15: ffff8a1745575000 [ 52.347875] FS: 00007f54e5911580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 52.356917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.363337] CR2: 00007f54e571a000 CR3: 00000001037e6004 CR4: 00000000003706e0 [ 52.371312] Call Trace: [ 52.374046] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 52.379529] direct_entry.cold+0x2c/0x38 [ 52.383940] full_proxy_write+0x53/0x80 [ 52.388250] vfs_write+0xe7/0x3a0 [ 52.391982] ksys_write+0x68/0xf0 [ 52.395717] do_syscall_64+0x30/0x40 [ 52.399741] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.405387] RIP: 0033:0x7f54e5827833 [ 52.409409] 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 [ 52.430395] RSP: 002b:00007ffdff3a07f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.438876] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f54e5827833 [ 52.446851] RDX: 0000000000000017 RSI: 00007f54e571a000 RDI: 0000000000000001 [ 52.454845] RBP: 00007f54e571a000 R08: 00007f54e5719010 R09: 0000000000000000 [ 52.462819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.470794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 80] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 80000000716000e1 [ 52.478773] irq event stamp: 0 # [ 43.365372] Oops: 0003 [#14] SMP PTI # [ 43.369361] CP[ 52.488396] hardirqs last enabled at (0): [<0000000000000000>] 0x0 U: 0 PID: 1866 Comm: cat Tainted: G D W 5.10.169-ci[ 52.501615] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.516970] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.526131] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.533133] ---[ end trace 9424be860f81b702 ]--- [ 52.538289] lkdtm: Saturation detected: still saturated p26 #1 # [ 43.378010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.384809] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 43.389775] Code: 00 48 c7 c7 88 2e eb b8 48 c7 c6 90 15 ad b8 e8 66 98 fd ff 48 8b 05 c4 5b 79 00 ba 34 12 cd ab 48 c7 c7 b8 2e eb b8 48 31 d0 <48> 89 05 ae 5b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 29 # [ 43.410754] RSP: 0018:ffff9c92c2547e60 EFLAGS: 00010202 # [ 43.416587] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 43.424548] RDX: 00000000abcd1234 RSI: ffff8a17bac1bf70 RDI: ffffffffb8eb2eb8 # [ 43.432515] RBP: ffffffffb8eb20a5 R08: 0000000000000000 R09: 0000000000000000 # [ 43.440483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 43.448451] R13: ffff9c92c2547f10 R14: ffff9c92c2547f10 R15: ffff8a17456d2000 # [ 43.456419] FS: 00007fcf10afa580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 # [ 43.465454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.471868] CR2: ffffffffb8ad1590 CR3: 000000010555c004 CR4: 00000000003706f0 # [ 43.479837] Call Trace: # [ 43.482562] direct_entry.cold+0x2c/0x38 # [ 43.486934] full_proxy_write+0x53/0x80 # [ 43.491211] vfs_write+0xe7/0x3a0 # [ 43.494915] ksys_write+0x68/0xf0 # [ 43.498614] do_syscall_64+0x30/0x40 # [ 43.502608] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.508246] RIP: [ 52.677812] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 52.688886] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 52.696409] ------------[ cut here ]------------ [ 52.701590] refcount_t: saturated; leaking memory. [ 52.706975] WARNING: CPU: 3 PID: 2405 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0033:0x7fcf10a10833 # [ 43.512226] Code: 8b 15 61 26 0e 00 f7[ 52.716418] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.749055] CPU: 3 PID: 2405 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 52.757738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.764549] RIP: 0010:refcount_warn_saturate+0x97/0x110 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 52.770415] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 [ 52.797617] RSP: 0018:ffff9c92c2db7e38 EFLAGS: 00010282 [ 52.803487] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 52.811506] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 52.819487] RBP: ffffffffb8eb1da0 R08: 0000000000000000 R09: 0000000000000000 [ 52.833694] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.533205] [ 52.841679] R13: ffff9c92c2db7f10 R14: ffff9c92c2db7f10 R15: ffff8a1743d0b000 [ 52.855858] FS: 00007fb1fc11f580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 52.864901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.871318] CR2: 00007fb1fbf28000 CR3: 0000000104e1a001 CR4: 00000000003706e0 [ 52.879292] Call Trace: [ 52.882024] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 52.888185] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 52.894550] direct_entry.cold+0x2c/0x38 [ 52.898930] full_proxy_write+0x53/0x80 [ 52.903240] vfs_write+0xe7/0x3a0 [ 52.906963] ksys_write+0x68/0xf0 [ 52.910665] do_syscall_64+0x30/0x40 [ 52.914681] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.920325] RIP: 0033:0x7fb1fc035833 [ 52.924315] 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 RSP: 002b:00007ffefd8bcf98 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 52.945302] RSP: 002b:00007ffdb49e5198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.959979] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb1fc035833 [ 52.967950] RDX: 0000000000000020 RSI: 00007fb1fbf28000 RDI: 0000000000000001 [ 52.975923] RBP: 00007fb1fbf28000 R08: 00007fb1fbf27010 R09: 0000000000000000 [ 52.983895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.991868] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.999846] irq event stamp: 0 [ 53.003283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.010285] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.019424] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.028562] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.035561] ---[ end trace 9424be860f81b703 ]--- 000001 # [ 43.541659] RAX: ffffffffffffffda RBX: 000000000000[ 53.040718] lkdtm: Saturation detected: still saturated 0009 RCX: 00007fcf10a10833 # [ 43.549627] RDX: 0000000000000009 RSI: 00007fcf10903000 RDI: 0000000000000001 # [ 43.557594] RBP: 00007fcf10903000 R08: 00007fcf10902010 R09: 0000000000000000 # [ 43.565561] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.573529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.581493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.607930] CR2: ffffffffb8ad1590 # [ 43.611627] ---[ end trace 9424be860f81b6f3 ]--- # [ 43.616782] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.621156] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 43.642134] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 43.647959] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.655926] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 43.663893] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 43.671861] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.679828] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 43.687798] FS: 00007fcf10afa580(0000) GS:ffff8a17[ 53.199286] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED bac00000(0000) knlGS:0000000000000000 # [ 43.696825] CS: 001[ 53.209602] lkdtm: attempting bad refcount_add_not_zero() from saturated 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.703238] CR2:[ 53.223306] ------------[ cut here ]------------ [ 53.234676] refcount_t: saturated; leaking memory. ffffffffb8ad1590 CR3: 000000010555c004 CR4: 00000000003706f0 #[ 53.240058] WARNING: CPU: 1 PID: 2437 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_[ 53.255668] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [[ 53.288317] CPU: 1 PID: 2437 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 53.303183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 43.914692] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT[ 53.309993] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 53.322038] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 # [ 43.922841] lkdtm: attempting bad ro_after_init write at [ 53.343029] RSP: 0018:ffff9c92c2e3fe38 EFLAGS: 00010282 ffffffffb8f2e330 # [ 43.930451] BUG: unable to handle page fa[ 53.355081] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ult for address: ffffffffb8f2e330 # [ 43.938161] #PF: supervi[ 53.369269] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 [ 53.383476] RBP: ffffffffb8eb1dc0 R08: 0000000000000000 R09: 0000000000000000 sor write access in kernel mode # [ 43.943996] #PF: error_cod[ 53.391452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 e(0x0003) - permissions violation # [ 43.950223] PGD 71c29067[ 53.405661] R13: ffff9c92c2e3ff10 R14: ffff9c92c2e3ff10 R15: ffff8a1743d77000 P4D 71c29067 PUD 71c2a063 PMD 1049a0063 PTE 8000000071b2e061 #[ 53.419849] FS: 00007f9a25acd580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 [ 53.435087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.958976] Oops: 0003 [#15] SMP PTI # [ 43.962955] CPU: [ 53.441509] CR2: 00007f9a258d6000 CR3: 000000010578a001 CR4: 00000000003706e0 [ 53.455692] Call Trace: 2 PID: 1901 Comm: cat Tainted: G D W 5.10.169-cip26[ 53.458427] __refcount_add_not_zero.constprop.0+0x2a/0x35 #1 # [ 43.971604] Hardware name: Google Rammus/Rammus, BIOS [ 53.470763] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 53.483301] direct_entry.cold+0x2c/0x38 09/04/2020 # [ 43.978410] RIP: 0010:lkdtm_WRITE_RO_AFTER_INI[ 53.487686] full_proxy_write+0x53/0x80 T+0x4e/0x5a # [ 43.984450] Code: 2e eb b8 e9 18 98 fd ff 48 c[ 53.498178] vfs_write+0xe7/0x3a0 7 c7 10 2f eb b8 e8 0c 98 fd ff 48 8b 05 0a 29 bf 00 ba 34 12 cd[ 53.508095] ksys_write+0x68/0xf0 ab 48 c7 c7 b8 2e eb b8 48 31 d0 <48> 89 05 f4 28 bf 00 e9 ea 9[ 53.518014] do_syscall_64+0x30/0x40 [ 53.528221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 44.005432] RSP: 001[ 53.533891] RIP: 0033:0x7f9a259e3833 8:ffff9c92c25cfe60 EFLAGS: 00010202 # [ 44.011266] RAX: 00000[ 53.544092] 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 [ 53.571321] RSP: 002b:00007fff687a55c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 4[ 53.579780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9a259e3833 4.019235] RDX: 00000000abcd1234 RSI: ffff8a17bad1bf70 RDI: fffff[ 53.593961] RDX: 0000000000000020 RSI: 00007f9a258d6000 RDI: 0000000000000001 [ 53.608148] RBP: 00007f9a258d6000 R08: 00007f9a258d5010 R09: 0000000000000000 fffb8eb2eb8 # [ 44.027204] RBP: ffffffffb8eb20ae R08: 0000000[ 53.616124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.630308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 53.638289] irq event stamp: 0 [ 53.641698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.648703] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.657843] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.666982] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.673984] ---[ end trace 9424be860f81b704 ]--- [ 53.679140] lkdtm: Saturation detected: still saturated 000000000 R09: 0000000000000000 # [ 44.035183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 44.043153] R13: ffff9c92c25cff10 R14: ffff9c92c25cff10 R15: ffff8a1745443000 # [ 44.051126] FS: 00007f40bb195580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 44.060169] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.066584] CR2: ffffffffb8f2e330 CR3: 0000000105790005 CR4: 00000000003706e0 # [ 44.074552] Call Trace: # [ 44.077278] direct_entry.cold+0x2c/0x38 # [ 44.081657] full_proxy_write+0x53/0x80 # [ 44.085940] vfs_write+0xe7/0x3a0 # [ 44.089637] ksys_write+0x68/0xf0 # [ 44.093335] do_syscall_64+0x30/0x40 # [ 44.097323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.102954] RIP: 0033:0x7f40bb0ab833 # [ 44.106943] 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 # [ 44.127927] RSP: 002b:00007ffd502d4118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.136381] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f40bb0ab833 # [ 44.144350] RDX: 0000000000000014 RSI: 00007f40baf9e000 RDI: 0000000000000001 # [ 44.152320] RBP: 00007f40baf9e000 R08: 00007f40baf9d010 R09: 0000000000000000 # [ 44.160290] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.168258] R13: 0000000000[ 53.825122] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 53.835650] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 53.843172] ------------[ cut here ]------------ [ 53.848363] refcount_t: underflow; use-after-free. [ 53.853759] WARNING: CPU: 3 PID: 2472 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 53.863197] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.176[ 53.889670] CPU: 3 PID: 2472 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 53.904529] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.911339] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 53.917178] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 53.938196] RSP: 0018:ffff9c92c2ee7e40 EFLAGS: 00010286 232] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_s[ 53.944060] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 ensors_core industrialio_triggered_buffer kfifo_buf industrialio[ 53.958246] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 [ 53.972432] RBP: ffffffffb8eb1de0 R08: 0000000000000000 R09: 0000000000000000 [ 53.980404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 53.988377] R13: ffff9c92c2ee7f10 R14: ffff9c92c2ee7f10 R15: ffff8a174575d000 [ 53.996349] FS: 00007f81285df580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 [ 54.005413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs [ 54.011845] CR2: 00007f81283e8000 CR3: 0000000103fbc003 CR4: 00000000003706e0 [ 54.026023] Call Trace: [ 54.028754] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 54.034915] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 54.041261] direct_entry.cold+0x2c/0x38 [ 54.045665] full_proxy_write+0x53/0x80 [ 54.049949] vfs_write+0xe7/0x3a0 [ 54.053673] ksys_write+0x68/0xf0 [ 54.057373] do_syscall_64+0x30/0x40 [ 54.061365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.067007] RIP: 0033:0x7f81284f5833 [ 54.070998] 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 [ 54.091986] RSP: 002b:00007ffef3743b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.100444] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f81284f5833 [ 54.108415] RDX: 0000000000000020 RSI: 00007f81283e8000 RDI: 0000000000000001 [ 54.116386] RBP: 00007f81283e8000 R08: 00007f81283e7010 R09: 0000000000000000 [ 54.124357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.132328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.140305] irq event stamp: 0 [ 54.143744] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.150748] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 54.159885] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 54.169022] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.176024] ---[ end trace 9424be860f81b705 ]--- [ 54.181182] lkdtm: Saturation detected: still saturated cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.202692] CR2: ffffffffb8f2e330 # [ 44.212601] ---[ end trace 9424be860f81b6f4 ]--- # [ 44.217756] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.222131] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 44.243115] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 44.248959] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.256947] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 44.264919] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 44.272932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.280906] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 44.288898] FS: 00007f40bb195580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 44.297976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.304390] CR2: ffffffffb8f2e330 CR3: 0000000105790005 CR4: 00000000003706e0 # [ 44.312360] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.322272] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1901, name: cat # [ 44.330725] INFO: lockdep is turned off. # [ 44.335101] irq event stamp: 0 # [ 44.338507] hardirqs last enab[ 54.326562] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 54.337728] lkdtm: attempting bad refcount_sub_and_test() from saturated led at (0): [<0000000000000000>] 0x0 # [ 44.345507] hardirqs [ 54.345231] ------------[ cut here ]------------ last disabled at (0): [] copy_process+0x664/0x[ 54.356595] refcount_t: underflow; use-after-free. [ 54.368187] WARNING: CPU: 2 PID: 2507 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 1cb0 # [ 44.354641] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.363774] softirqs [ 54.431621] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 54.458811] RSP: 0018:ffff9c92c2f5fe40 EFLAGS: 00010286 [ 54.464648] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 54.472622] RDX: ffff8a17bad2c660 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 [ 54.480596] RBP: ffffffffb8eb1e00 R08: 0000000000000000 R09: 0000000000000000 [ 54.488568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 54.496542] R13: ffff9c92c2f5ff10 R14: ffff9c92c2f5ff10 R15: ffff8a1746169000 [ 54.504516] FS: 00007fed22cb7580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 [ 54.513556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.519975] CR2: 00007fed22ac0000 CR3: 0000000103e96005 CR4: 00000000003706e0 [ 54.527948] Call Trace: [ 54.530679] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 54.536839] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 54.543163] direct_entry.cold+0x2c/0x38 [ 54.547569] full_proxy_write+0x53/0x80 [ 54.551878] vfs_write+0xe7/0x3a0 [ 54.555603] ksys_write+0x68/0xf0 [ 54.559304] do_syscall_64+0x30/0x40 [ 54.563320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.568965] RIP: 0033:0x7fed22bcd833 [ 54.572955] 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 [ 54.593942] RSP: 002b:00007ffd314c8e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.602400] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fed22bcd833 [ 54.610372] RDX: 0000000000000020 RSI: 00007fed22ac0000 RDI: 0000000000000001 [ 54.618345] RBP: 00007fed22ac0000 R08: 00007fed22abf010 R09: 0000000000000000 [ 54.626319] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.634291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 last disabled at (0): [<0000000000000000>] 0x0 # [ 44.370771][ 54.642270] irq event stamp: 0 CPU: 2 PID: 1901 Comm: cat Tainted: G D W 5.10.169[ 54.651889] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.665106] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 54.674243] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 54.683382] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.690384] ---[ end trace 9424be860f81b706 ]--- [ 54.695540] lkdtm: Saturation detected: still saturated -cip26 #1 # [ 44.379419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.386223] Call Trace: # [ 44.388950] dump_stack+0x77/0x9b # [ 44.392648] ___might_sleep.cold+0xa6/0xb6 # [ 44.397219] exit_signals+0x1c/0x2e0 # [ 44.401208] do_exit+0xc2/0xaf0 # [ 44.404712] ? ksys_write+0x68/0xf0 # [ 44.408596] make_task_dead+0x2f/0x30 # [ 44.412683] rewind_stack_and_make_dead+0x17/0x20 # [ 44.417924] RIP: 0033:0x7f40bb0ab833 # [ 44.421912] 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 # [ 44.442894] RSP: 002b:00007ffd502d4118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.451350] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f40bb0ab833 # [ 44.459320] RDX: 0000000000000014 RSI: 00007f40baf9e000 RDI: 0000000000000001 # [ 44.467289] RBP: 00007f40baf9e000 R08: 00007f40baf9d010 R09: 0000000000000000 # [ 44.475259] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.483229] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 44.615224] lkdtm: Performing direct entry WRITE_KERN # [ 44.621203] lkdtm: attempting bad 6645798 byte write at ffffffffb833b946 # [ 44.628716] BUG: unable to handle page fault for address: ffffffffb833b946 # [ 44.636404] #PF: supervisor write access in kernel mode # [ 44.642237] #PF: error_code(0x0003) - permissions violation # [ 44.648458] PGD 71c29067 P4D 71c29067 PUD 71c2a063 PMD 70e000e1 # [ 44.655170] Oops: 0003 [#16] SMP PTI # [ 44.665373] CPU: 3 PID: 1936 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 44.674021] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.687043] RIP: 001[ 54.893207] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 0:lkdtm_WRITE_KERN+0x38/0x4e # [ 44.692198] Code: 53 48 c7 c3[ 54.900783] lkdtm: attempting good copy_to_user of correct size 46 b9 33 b8 49 89 dc 48 89 da 49 81 ec 20 51 ce b7 4c 89 e6 e8 [ 54.913651] lkdtm: attempting bad copy_to_user of too large size bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 20 51 ce b7 a4 48 c7 c7 b8 2e eb b8 e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 44.713173] RSP: 0018:ffff9c92c263fe50 EFLAGS: 00010246 # [ 44.719006] RAX: 000000000000003c RBX: ffffffffb833b946 RCX: 0000000000656826 # [ 44.726976] RDX: 0000000000000000 RSI: ffffffffb7ce5120 RDI: ffffffffb833b946 # [ 44.734946] RBP: ffffffffb8eb20c2 R08: 0000000000000000 R09: 0000000000000000 # [ 44.742914] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000656826 # [ 44.750883] R13: ffff9c92c263ff10 R14: ffff9c92c263ff10 R15: ffff8a1743e97000 # [ 44.758854] FS: 00007feef15ec580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 44.767882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.774297] CR2: ffffffffb833b946 CR3: 0000000104eea006 CR4: 00000000003706e0 # [ 44.782266] Call Trace: # [ 44.784993] direct_entry.cold+0x2c/0x38 # [ 44.789371] full_proxy_write+0x53/0x80 # [ 44.793653] vfs_write+0xe7/0x3a0 # [ 44.797351] ksys_write+0x68/0xf0 # [ 44.801050] do_syscall_64+0x30/0x40 # [ 44.805038] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.810677] RIP: 0033:0x7feef1502833 # [ 44.814665] 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 [ 55.051652] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54[ 55.064300] lkdtm: attempting good copy_from_user of correct size 24 18 # [ 44.835648] RSP: 002b:00007ffd56e1ce98 EFLAGS: 0000[ 55.077348] lkdtm: attempting bad copy_from_user of too large size 0246 ORIG_RAX: 0000000000000001 # [ 44.844102] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007feef1502833 # [ 44.852071] RDX: 000000000000000b RSI: 00007feef13f5000 RDI: 0000000000000001 # [ 44.860039] RBP: 00007feef13f5000 R08: 00007feef13f4010 R09: 0000000000000000 # [ 44.868007] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.875977] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.883942] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.910400] CR2: ffffffffb833b946 # [ 44.920312] ---[ end trace 9424be860f81b6f5 ]--- # [ 44.925467] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.929843] Code: 89 ff e8 de 60 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 00 39 92 02 # [ 44.950826] RSP: 0018:ffff9c92c1317e60 EFLAGS: 00010286 # [ 44.956659] RAX: ffffffffb7ce4d50 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.964629] RDX: 0000000000000000 RSI: ffff8a17bac9bf70 RDI: ffffffffb8ad1110 # [ 44.972599] RBP: ffffffffb8f0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 44.980567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 55.232871] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 55.240617] lkdtm: attempting good copy_to_user inside whitelist [ 55.247342] lkdtm: attempting bad copy_to_user outside whitelist 00000000004 # [ 44.988537] R13: ffff9c92c1317f10 R14: ffff9c92c1317f10 R15: ffff8a1740fef000 # [ 44.996505] FS: 00007feef15ec580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 45.005544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.011959] CR2: ffffffffb833b946 CR3: 0000000104eea006 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 45.130398] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 45.138576] lkdtm: attempting good refcount_inc() without overflow # [ 45.145492] lkdtm: attempting bad refcount_inc() overflow # [ 45.157735] ------------[ cut here ]------------ # [ 45.169100] refcount_t: saturated; leaking memory. # [ 45.174477] WARNING: CPU: 3 PID: 1971 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.183918] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.216557] CPU: 3 PID: 1971 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 45.225223] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.232031] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.237869] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75[ 55.394695] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f[ 55.404606] lkdtm: attempting good copy_from_user inside whitelist > 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4[ 55.417726] lkdtm: attempting bad copy_from_user outside whitelist # [ 45.258857] RSP: 0018:ffff9c92c26e7e48 EFLAGS: 00010286 # [ 45.264693] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 45.272666] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 45.280642] RBP: ffffffffb8eb20cd R08: 0000000000000000 R09: 0000000000000000 # [ 45.294829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 45.309017] R13: ffff9c92c26e7f10 R14: ffff9c92c26e7f10 R15: ffff8a1746069000 # [ 45.323205] FS: 00007f349b616580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 45.332267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.338686] CR2: 00007f349b41f000 CR3: 00000001037e6002 CR4: 00000000003706e0 # [ 45.346658] Call Trace: # [ 45.349391] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 45.354773] direct_entry.cold+0x2c/0x38 # [ 45.359176] full_proxy_write+0x53/0x80 # [ 45.363483] vfs_write+0xe7/0x3a0 # [ 45.367207] ksys_write+0x68/0xf0 # [ 45.370907] do_syscall_64+0x30/0x40 # [ 45.374924] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.380565] RIP: 0033:0x7f349b52c833 # [ 45.384556] 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 # [ 45.405542] RSP: 002b:00007fff34449108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.414026] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f349b52c833 # [ 45.428215] RDX: 0000000000000016 RSI: 00007f349b41f000 RDI: 0000000000000001 # [ 45.436187] RBP: 00007f349b41f000 R08: 00007f349b41e010 R09: 0000000000000000 # [ 45.444161] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.452133] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.460110] irq event stamp: 0 # [ 45.463549] ha[ 55.611918] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO rdirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.[ 55.624477] lkdtm: good_stack: ffff9c92c32dfe20-ffff9c92c32dfe40 470553] hardirqs last disabled at (0): [] copy[ 55.637385] lkdtm: bad_stack : ffff9c92c32dfda8-ffff9c92c32dfdc8 _process+0x664/0x1cb0 # [ 45.479693] softirqs last enabled a[ 55.650342] lkdtm: attempting good copy_to_user of local stack t (0): [] copy_process+0x664/0x1cb0 # [ 45.[ 55.663055] lkdtm: attempting bad copy_to_user of distant stack 488831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.495834] ---[ end trace 9424be860f81b6f6 ]--- # [ 45.501009] 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 # [ 45.646974] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 45.655784] lkdtm: attempting good refcount_add() without overflow # [ 45.668898] lkdtm: attempting bad refcount_add() overflow # [ 45.681138] ------------[ cut here ]------------ # [ 45.692511] refcount_t: saturated; leaking memory. # [ 45.704110] WARNING: CPU: 1 PID: 2003 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.719726] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.752365] CPU: 1 PID: 2003 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 45.767234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.780260] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.792312] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 # [ 45.819511] R[ 55.814694] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM SP: 0018:ffff9c92c2787e48 EFLAGS: 00010286 # [ 45.831562] RAX[ 55.826100] lkdtm: good_stack: ffff9c92c3367e20-ffff9c92c3367e40 : 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 55.839043] lkdtm: bad_stack : ffff9c92c3367da8-ffff9c92c3367dc8 # [ 45.845767] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI[ 55.851973] lkdtm: attempting good copy_from_user of local stack : ffff8a17bac9bf70 # [ 45.859962] RBP: ffffffffb8eb20e3 R08: [ 55.864897] lkdtm: attempting bad copy_from_user of distant stack 0000000000000000 R09: 0000000000000000 # [ 45.874144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 45.888335] R13: ffff9c92c2787f10 R14: ffff9c92c2787f10 R15: ffff8a174407d000 # [ 45.902525] FS: 00007f0e290ec580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 45.917783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.930419] CR2: 00007f0e28ef5000 CR3: 0000000104866005 CR4: 00000000003706e0 # [ 45.944610] Call Trace: # [ 45.953558] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 45.965121] direct_entry.cold+0x2c/0x38 # [ 45.975716] full_proxy_write+0x53/0x80 # [ 45.986221] vfs_write+0xe7/0x3a0 # [ 45.996135] ksys_write+0x68/0xf0 # [ 46.006047] do_syscall_64+0x30/0x40 # [ 46.016253] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.028114] RIP: 0033:0x7f0e29002833 # [ 46.038319] 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 # [ 46.065538] RSP: 002b:00007ffdba35a088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.080221] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0e29002833 # [ 46.094411] RDX: 000000[ 55.999138] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 56.008937] lkdtm: good_stack: ffff9c92c33efe20-ffff9c92c33efe40 [ 56.015664] lkdtm: bad_stack : ffff9c92c33efff8-ffff9c92c33f0018 0000000016 RSI: 00007f0e28ef5000 RDI: 0000000000000001 # [ 46[ 56.022396] lkdtm: attempting good copy_to_user of local stack [ 56.035140] lkdtm: attempting bad copy_to_user of distant stack .108601] RBP: 00007f0e28ef5000 R08: 00007f0e28ef4010 R09: 000000[ 56.041767] lkdtm: copy_to_user failed, but lacked Oops 0000000000 # [ 46.122791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.136982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.151179] irq event stamp: 0 # [ 46.160798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.174017] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.189373] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.204728] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.217946] ---[ end trace 9424be860f81b6f7 ]--- # [ 46.229322] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 46.355939] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 46.366273] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 46.379410] ------------[ cut here ]------------ # [ 46.390775] refcount_t: saturated; leaking memory. # [ 46.402354] WARNING: CPU: 1 PID: 2035 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.417989] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_e[ 56.178276] lkdtm: Performing direct entry USERCOPY_KERNEL [ 56.190653] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb8ad15b0 c_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86[ 56.199329] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb76e3d70 [ 56.213904] lkdtm: FAIL: survived bad copy_to_user() _pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.450634] CPU: 1 PID: 2035 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 46.465500] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.478525] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.490581] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 # [ 46.517783] RSP: 0018:ffff9c92c2817e38 EFLAGS: 00010282 # [ 46.529835] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 46.537809] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 # [ 46.551993] RBP: ffffffffb8eb1d20 R08: 0000000000000000 R09: 0000000000000000 # [ 46.559971] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.574154] R13: ffff9c92c2817f10 R14: ffff9c92c2817f10 R15: ffff8a174417f000 # [ 46.582130] FS: 00007fdc1eec7580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 46.597382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.603803] CR2: 00007fdc1ecd0000 CR3: 0000000104094001 CR4: 00000000003706e0 # [ 46.617987] Call Trace: # [ 46.620721] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.633059] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 46.645516] direct_e[ 56.353907] lkdtm: Performing direct entry STACKLEAK_ERASING ntry.cold+0x2c/0x38 # [ 46.656117] full_proxy_write+0x53/0x8[ 56.362782] lkdtm: checking unused part of the thread stack (15928 bytes)... 0 # [ 46.666615] vfs_write+0xe7/0x3a0 # [ 46.676530] ksy[ 56.376902] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) s_write+0x68/0xf0 # [ 46.686449] do_syscall_64+0x30/0x40 # [ 56.390889] lkdtm: FAIL: the thread stack is NOT properly erased [ 46.696658] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 56.403846] CPU: 0 PID: 2872 Comm: cat Tainted: G D W 5.10.169-cip26 #1 [ 56.418650] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.425454] Call Trace: [ 56.428187] dump_stack+0x77/0x9b [ 56.431892] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 56.437054] direct_entry.cold+0x2c/0x38 [ 56.441434] full_proxy_write+0x53/0x80 [ 56.445722] vfs_write+0xe7/0x3a0 [ 56.449425] ksys_write+0x68/0xf0 [ 56.453114] do_syscall_64+0x30/0x40 [ 56.457110] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.462750] RIP: 0033:0x7fe49afab833 [ 56.466730] 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 [ 56.487714] RSP: 002b:00007ffdb8df4528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.496170] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe49afab833 [ 56.504140] RDX: 0000000000000012 RSI: 00007fe49ae9e000 RDI: 0000000000000001 [ 56.512110] RBP: 00007fe49ae9e000 R08: 00007fe49ae9d010 R09: 0000000000000000 [ 56.520070] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.528037] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 46.708516] RIP: 0033:0x7fdc1eddd833 # [ 46.718723] 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 # [ 46.739712] RSP: 002b:00007ffe0aee2cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.754384] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fdc1eddd833 # [ 46.768576] RDX: 000000000000001f RSI: 00007fdc1ecd0000 RDI: 0000000000000001 # [ 46.782762] RBP: 00007fdc1ecd0000 R08: 00007fdc1eccf010 R09: 0000000000000000 # [ 46.796950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.804925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.819148] irq event stamp: 0 # [ 46.828760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.841958] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.857314] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.866456] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.879667] ---[ end trace 9424be860f81b6f8 ]--- # [ 46.884827] 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_[ 56.671870] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 56.679125] lkdtm: Calling matched prototype ... [ 56.684297] lkdtm: Calling mismatched prototype ... [ 56.689758] lkdtm: Fail: survived mismatched prototype function call! OVERFLOW.sh # [ 47.023474] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 47.034275] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 47.041217] ------------[ cut here ]------------ # [ 47.046417] refcount_t: saturated; leaking memory. # [ 47.057984] WARNING: CPU: 3 PID: 2067 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.073614] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.100095] CPU: 3 PID: 2067 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 47.114948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.121782] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 47.127621] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 # [ 47.148610] RSP: 0018:ffff9c92c2877e38 EFLAGS: 00010282 # [ 47.154448] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 47.168637] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 47.176610] RBP: ffffffffb8eb1d40 R08: 0000000000000000 R09: 0000000000000000 # [ 47.184582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.192555] R13: ffff9c92c2877f10 R14: ffff9c92c2877f10 R15: ffff8a1744cf3000 # [ 47.200528] FS: 00007f9eda6f4580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 47.209571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.215990] CR2: 00007f9eda4fd000 CR3: 0000000104eda003 CR4: 00000000003706e0 # [ 47.223961] Call Trace: # [ 47.226693] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.232824] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.245262] direct_entry.cold+0x2c/0x38 # [ 47.249644] full_proxy_write+0x53/0x80 # [ 47.253929] vfs_write+0xe7/0x3a0 # [ 47.257655] ksys_write+0x68/0xf0 # [ 47.261356] do_syscall_64+0x30/0x40 # [ 47.265348] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.270990] RIP: 0033:0x7f9eda60a833 # [ 47.274981] 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 # [ 47.295969] RSP: 002b:00007fffadf6eec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.304428] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9eda60a833 # [ 47.312398] RDX: 000000000000001f RSI: 00007f9eda4fd000 RDI: 0000000000000001 # [ 47.320363] RBP: 00007f9eda4fd000 R08: 00007f9eda4fc010 R09: 0000000000000000 # [ 47.334554] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.348754] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.356741] irq event stamp: 0 # [ 47.366354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.373358] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.382497] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.391637] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.398639] ---[ end trace 9424be860f81b6f9 ]--- # [ 47.403797] 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 # [ 47.534758] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 47.545751] lkdtm: attempting good refcount_dec() # [ 47.557223] lkdtm: attempting bad refcount_dec() to zero # [ 47.569351] ------------[ cut here ]------------ # [ 47.574508] refcount_t: decrement hit 0; leaking memory. # [ 47.586699] WARNING: CPU: 1 PID: 2099 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.602317] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.634959] CPU: 1 PID: 2099 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 47.649851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.662873] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 47.674902] Code: 08 d8 e4 b8 c6 05 82 e8 93 01 01 e8 91 00 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 e4 b8 c6 05 69 e8 93 01 01 e8 77 00 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 47.702103] RSP: 0018:ffff9c92c293fe48 EFLAGS: 00010286 # [ 47.707942] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 47.722123] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 # [ 47.730099] RBP: ffffffffb8eb20f9 R08: 0000000000000000 R09: 0000000000000000 # [ 47.744280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 47.752255] R13: ffff9c92c293ff10 R14: ffff9c92c293ff10 R15: ffff8a1745728000 # [ 47.766440] FS: 00007f85bd571580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 47.775483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.788113] CR2: 00007f85bd37a000 CR3: 0000000104f7c006 CR4: 00000000003706e0 # [ 47.796086] Call Trace: # [ 47.805029] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 47.816207] direct_entry.cold+0x2c/0x38 # [ 47.826804] full_proxy_write+0x53/0x80 # [ 47.837305] vfs_write+0xe7/0x3a0 # [ 47.847220] ksys_write+0x68/0xf0 # [ 47.857138] do_syscall_64+0x30/0x40 # [ 47.861157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.873009] RIP: 0033:0x7f85bd487833 # [ 47.883217] 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 # [ 47.910420] RSP: 002b:00007ffe0138c428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.925094] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f85bd487833 # [ 47.937923] RDX: 0000000000000012 RSI: 00007f85bd37a000 RDI: 0000000000000001 # [ 47.945897] RBP: 00007f85bd37a000 R08: 00007f85bd379010 R09: 0000000000000000 # [ 47.953871] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.961846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.975847] irq event stamp: 0 # [ 47.985465] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.992472] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.003551] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.012691] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.025909] ---[ end trace 9424be860f81b6fa ]--- # [ 48.031066] 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 # [ 48.152511] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 48.164231] lkdtm: attempting bad refcount_dec() below zero # [ 48.170457] ------------[ cut here ]------------ # [ 48.175650] refcount_t: decrement hit 0; leaking memory. # [ 48.181644] WARNING: CPU: 3 PID: 2134 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.191082] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.223718] CPU: 3 PID: 2134 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 48.232404] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.239214] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.245053] Code: 08 d8 e4 b8 c6 05 82 e8 93 01 01 e8 91 00 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 e4 b8 c6 05 69 e8 93 01 01 e8 77 00 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.272256] RSP: 0018:ffff9c92c29c7e48 EFLAGS: 00010286 # [ 48.278099] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 48.292290] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 48.300275] RBP: ffffffffb8eb210b R08: 0000000000000000 R09: 0000000000000000 # [ 48.308285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.316284] R13: ffff9c92c29c7f10 R14: ffff9c92c29c7f10 R15: ffff8a1743ed3000 # [ 48.330464] FS: 00007f7b2aba5580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 48.339525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.345944] CR2: 00007f7b2a9ae000 CR3: 0000000103cf8006 CR4: 00000000003706e0 # [ 48.353916] Call Trace: # [ 48.356648] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 48.362031] direct_entry.cold+0x2c/0x38 # [ 48.366436] full_proxy_write+0x53/0x80 # [ 48.370744] vfs_write+0xe7/0x3a0 # [ 48.374468] ksys_write+0x68/0xf0 # [ 48.378186] do_syscall_64+0x30/0x40 # [ 48.382186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.394037] RIP: 0033:0x7f7b2aabb833 # [ 48.398028] 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 # [ 48.419014] RSP: 002b:00007ffdba5bf088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.427473] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7b2aabb833 # [ 48.435445] RDX: 0000000000000016 RSI: 00007f7b2a9ae000 RDI: 0000000000000001 # [ 48.443417] RBP: 00007f7b2a9ae000 R08: 00007f7b2a9ad010 R09: 0000000000000000 # [ 48.451389] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.459361] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.467337] irq event stamp: 0 # [ 48.470769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.483982] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.493141] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.508493] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.515494] ---[ end trace 9424be860f81b6fb ]--- # [ 48.520651] 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 # [ 48.665349] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 48.676260] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 48.689567] ------------[ cut here ]------------ # [ 48.700961] refcount_t: underflow; use-after-free. # [ 48.712551] WARNING: CPU: 0 PID: 2169 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.728208] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.760851] CPU: 0 PID: 2169 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 48.775735] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.788767] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.800838] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 48.828066] RSP: 0018:ffff9c92c2a37e40 EFLAGS: 00010286 # [ 48.840110] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 48.854332] RDX: ffff8a17bac2c660 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 # [ 48.868501] RBP: ffffffffb8eb1d60 R08: 0000000000000000 R09: 0000000000000000 # [ 48.882727] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.896917] R13: ffff9c92c2a37f10 R14: ffff9c92c2a37f10 R15: ffff8a1743e0c000 # [ 48.911083] FS: 00007f6b4d5a2580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 # [ 48.926346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.938983] CR2: 00007f6b4d3ab000 CR3: 0000000104f7c004 CR4: 00000000003706f0 # [ 48.953168] Call Trace: # [ 48.962141] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.974450] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 48.986931] direct_entry.cold+0x2c/0x38 # [ 48.997521] full_proxy_write+0x53/0x80 # [ 49.008039] vfs_write+0xe7/0x3a0 # [ 49.017941] ksys_write+0x68/0xf0 # [ 49.027896] do_syscall_64+0x30/0x40 # [ 49.038085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.049970] RIP: 0033:0x7f6b4d4b8833 # [ 49.060150] 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 # [ 49.087335] RSP: 002b:00007fff438bd118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.102039] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6b4d4b8833 # [ 49.116218] RDX: 000000000000001f RSI: 00007f6b4d3ab000 RDI: 0000000000000001 # [ 49.130413] RBP: 00007f6b4d3ab000 R08: 00007f6b4d3aa010 R09: 0000000000000000 # [ 49.144596] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.158793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.172982] irq event stamp: 0 # [ 49.182593] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.195837] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.211180] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.226541] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.239739] ---[ end trace 9424be860f81b6fc ]--- # [ 49.251128] 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 # [ 49.421050] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 49.431753] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 49.438878] ------------[ cut here ]------------ # [ 49.450235] refcount_t: underflow; use-after-free. # [ 49.455598] WARNING: CPU: 3 PID: 2204 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.471231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.497696] CPU: 3 PID: 2204 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 49.512551] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.519386] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 49.531434] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 49.552422] RSP: 0018:ffff9c92c2aafe40 EFLAGS: 00010286 # [ 49.558261] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 49.566234] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 49.574209] RBP: ffffffffb8eb1d80 R08: 0000000000000000 R09: 0000000000000000 # [ 49.582182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.590156] R13: ffff9c92c2aaff10 R14: ffff9c92c2aaff10 R15: ffff8a174541e000 # [ 49.598131] FS: 00007f4733600580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 49.607173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.613593] CR2: 00007f4733409000 CR3: 000000010541c004 CR4: 00000000003706e0 # [ 49.621566] Call Trace: # [ 49.624298] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.630454] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 49.642891] direct_entry.cold+0x2c/0x38 # [ 49.647306] full_proxy_write+0x53/0x80 # [ 49.651625] vfs_write+0xe7/0x3a0 # [ 49.655332] ksys_write+0x68/0xf0 # [ 49.665244] do_syscall_64+0x30/0x40 # [ 49.669269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.674944] RIP: 0033:0x7f4733516833 # [ 49.678936] 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 # [ 49.699925] RSP: 002b:00007ffdb42e5478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.708410] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4733516833 # [ 49.716385] RDX: 000000000000001f RSI: 00007f4733409000 RDI: 0000000000000001 # [ 49.724360] RBP: 00007f4733409000 R08: 00007f4733408010 R09: 0000000000000000 # [ 49.732335] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.746525] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.760739] irq event stamp: 0 # [ 49.764149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.777363] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.792716] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.801855] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.808855] ---[ end trace 9424be860f81b6fd ]--- # [ 49.814012] 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 # [ 49.947938] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 49.956017] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 49.963160] lkdtm: Good: zero detected # [ 49.967376] lkdtm: Correctly stayed at zero # [ 49.972070] lkdtm: attempting bad refcount_inc() from zero # [ 49.978212] ------------[ cut here ]------------ # [ 49.983375] refcount_t: addition on 0; use-after-free. # [ 49.989128] WARNING: CPU: 3 PID: 2236 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 49.998566] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.025029] CPU: 3 PID: 2236 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 50.039892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.052917] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 50.058784] Code: 01 01 e8 21 01 95 00 0f 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 b8 c6 05 f2 e8 93 01 01 e8 fe 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 # [ 50.079774] RSP: 0018:ffff9c92c2b37e48 EFLAGS: 00010286 # [ 50.085643] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 50.093619] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 50.101591] RBP: ffffffffb8eb2121 R08: 0000000000000000 R09: 0000000000000000 # [ 50.109565] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.117540] R13: ffff9c92c2b37f10 R14: ffff9c92c2b37f10 R15: ffff8a17457ee000 # [ 50.125515] FS: 00007f9239ea9580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 50.134558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.140978] CR2: 00007f9239cb2000 CR3: 0000000105628004 CR4: 00000000003706e0 # [ 50.148952] Call Trace: # [ 50.151686] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 50.156682] direct_entry.cold+0x2c/0x38 # [ 50.161094] full_proxy_write+0x53/0x80 # [ 50.165404] vfs_write+0xe7/0x3a0 # [ 50.175319] ksys_write+0x68/0xf0 # [ 50.179052] do_syscall_64+0x30/0x40 # [ 50.183077] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.188751] RIP: 0033:0x7f9239dbf833 # [ 50.192742] 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 # [ 50.213731] RSP: 002b:00007ffc086550d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.222217] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9239dbf833 # [ 50.230214] RDX: 0000000000000012 RSI: 00007f9239cb2000 RDI: 0000000000000001 # [ 50.238189] RBP: 00007f9239cb2000 R08: 00007f9239cb1010 R09: 0000000000000000 # [ 50.246164] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.254136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.262130] irq event stamp: 0 # [ 50.265547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.278758] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.287901] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.297064] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.304069] ---[ end trace 9424be860f81b6fe ]--- # [ 50.315442] 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 # [ 50.440689] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 50.451075] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 50.464413] lkdtm: Good: zero detected # [ 50.474818] lkdtm: Correctly stayed at zero # [ 50.485706] lkdtm: attempting bad refcount_add() from zero # [ 50.498050] ------------[ cut here ]------------ # [ 50.509451] refcount_t: addition on 0; use-after-free. # [ 50.521435] WARNING: CPU: 0 PID: 2268 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 50.537077] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.569751] CPU: 0 PID: 2268 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 50.584614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.597640] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 50.609719] Code: 01 01 e8 21 01 95 00 0f 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 b8 c6 05 f2 e8 93 01 01 e8 fe 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 # [ 50.636904] RSP: 0018:ffff9c92c2affe48 EFLAGS: 00010286 # [ 50.648989] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 50.663166] RDX: ffff8a17bac2c660 RSI: ffff8a17bac1bf70 RDI: ffff8a17bac1bf70 # [ 50.677397] RBP: ffffffffb8eb2133 R08: 0000000000000000 R09: 0000000000000000 # [ 50.691537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.705760] R13: ffff9c92c2afff10 R14: ffff9c92c2afff10 R15: ffff8a1745580000 # [ 50.719909] FS: 00007f247dbda580(0000) GS:ffff8a17bac00000(0000) knlGS:0000000000000000 # [ 50.735238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.747802] CR2: 00007f247d9e3000 CR3: 0000000103ea2006 CR4: 00000000003706f0 # [ 50.762033] Call Trace: # [ 50.770938] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 50.782161] direct_entry.cold+0x2c/0x38 # [ 50.792715] full_proxy_write+0x53/0x80 # [ 50.803276] vfs_write+0xe7/0x3a0 # [ 50.813176] ksys_write+0x68/0xf0 # [ 50.823094] do_syscall_64+0x30/0x40 # [ 50.833292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.845196] RIP: 0033:0x7f247daf0833 # [ 50.855363] 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 # [ 50.882574] RSP: 002b:00007fffde1cb888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.897245] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f247daf0833 # [ 50.911424] RDX: 0000000000000012 RSI: 00007f247d9e3000 RDI: 0000000000000001 # [ 50.925630] RBP: 00007f247d9e3000 R08: 00007f247d9e2010 R09: 0000000000000000 # [ 50.939824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.953997] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.968232] irq event stamp: 0 # [ 50.977870] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.991091] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.006470] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.021808] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.035064] ---[ end trace 9424be860f81b6ff ]--- # [ 51.046419] 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 # [ 51.164506] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 51.176029] lkdtm: attempting bad refcount_inc() from saturated # [ 51.182652] ------------[ cut here ]------------ # [ 51.194020] refcount_t: saturated; leaking memory. # [ 51.205596] WARNING: CPU: 3 PID: 2303 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 51.221231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.247691] CPU: 3 PID: 2303 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 51.262579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.269404] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 51.281443] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 # [ 51.302460] RSP: 0018:ffff9c92c2c47e48 EFLAGS: 00010286 # [ 51.308299] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 51.316273] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 51.324247] RBP: ffffffffb8eb2145 R08: 0000000000000000 R09: 0000000000000000 # [ 51.332218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.340192] R13: ffff9c92c2c47f10 R14: ffff9c92c2c47f10 R15: ffff8a1740fe2000 # [ 51.348164] FS: 00007f56dcac5580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 51.357207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.363625] CR2: 00007f56dc8ce000 CR3: 0000000103f10002 CR4: 00000000003706e0 # [ 51.371599] Call Trace: # [ 51.374332] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 51.379812] direct_entry.cold+0x2c/0x38 # [ 51.384224] full_proxy_write+0x53/0x80 # [ 51.388541] vfs_write+0xe7/0x3a0 # [ 51.392272] ksys_write+0x68/0xf0 # [ 51.395992] do_syscall_64+0x30/0x40 # [ 51.400017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.405662] RIP: 0033:0x7f56dc9db833 # [ 51.409684] 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 # [ 51.430672] RSP: 002b:00007fff745cea98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.439162] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f56dc9db833 # [ 51.447137] RDX: 0000000000000017 RSI: 00007f56dc8ce000 RDI: 0000000000000001 # [ 51.455108] RBP: 00007f56dc8ce000 R08: 00007f56dc8cd010 R09: 0000000000000000 # [ 51.463083] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.471055] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.479034] irq event stamp: 0 # [ 51.488655] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.501878] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.511046] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.526390] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.533392] ---[ end trace 9424be860f81b700 ]--- # [ 51.538550] 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 # [ 51.690897] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 51.700442] lkdtm: attempting bad refcount_dec() from saturated # [ 51.707087] ------------[ cut here ]------------ # [ 51.712270] refcount_t: decrement hit 0; leaking memory. # [ 51.718239] WARNING: CPU: 3 PID: 2338 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.727679] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.754134] CPU: 3 PID: 2338 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 51.762818] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.769654] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.781705] Code: 08 d8 e4 b8 c6 05 82 e8 93 01 01 e8 91 00 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 e4 b8 c6 05 69 e8 93 01 01 e8 77 00 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.802692] RSP: 0018:ffff9c92c2ccfe48 EFLAGS: 00010286 # [ 51.808529] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 51.816502] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 51.824476] RBP: ffffffffb8eb215c R08: 0000000000000000 R09: 0000000000000000 # [ 51.832450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.840422] R13: ffff9c92c2ccff10 R14: ffff9c92c2ccff10 R15: ffff8a17456cc000 # [ 51.848394] FS: 00007f0abcab3580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 51.857435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.863852] CR2: 00007f0abc8bc000 CR3: 000000010557c006 CR4: 00000000003706e0 # [ 51.871842] Call Trace: # [ 51.874575] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 51.880054] direct_entry.cold+0x2c/0x38 # [ 51.884458] full_proxy_write+0x53/0x80 # [ 51.888743] vfs_write+0xe7/0x3a0 # [ 51.892474] ksys_write+0x68/0xf0 # [ 51.896175] do_syscall_64+0x30/0x40 # [ 51.900190] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.905835] RIP: 0033:0x7f0abc9c9833 # [ 51.909833] 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 # [ 51.930822] RSP: 002b:00007ffd1ea9dcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.939283] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0abc9c9833 # [ 51.947256] RDX: 0000000000000017 RSI: 00007f0abc8bc000 RDI: 0000000000000001 # [ 51.955231] RBP: 00007f0abc8bc000 R08: 00007f0abc8bb010 R09: 0000000000000000 # [ 51.963202] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.971176] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.979152] irq event stamp: 0 # [ 51.982586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.995805] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.004945] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.014085] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.021087] ---[ end trace 9424be860f81b701 ]--- # [ 52.026243] 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 # [ 52.189604] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 52.200514] lkdtm: attempting bad refcount_dec() from saturated # [ 52.207164] ------------[ cut here ]------------ # [ 52.212343] refcount_t: saturated; leaking memory. # [ 52.223910] WARNING: CPU: 3 PID: 2373 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.233349] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.259801] CPU: 3 PID: 2373 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 52.268484] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.275292] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.281130] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 26 e9 93 01 00 75 ee 48 c7 c7 58 d7 e4 b8 c6 05 16 e9 93 01 01 e8 21 01 95 00 <0f> 0b c3 cc cc cc cc 80 3d 02 e9 93 01 00 75 cb 48 c7 c7 80 d7 e4 # [ 52.302137] RSP: 0018:ffff9c92c2d47e48 EFLAGS: 00010286 # [ 52.307975] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 52.315949] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 52.323925] RBP: ffffffffb8eb2173 R08: 0000000000000000 R09: 0000000000000000 # [ 52.331927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.339902] R13: ffff9c92c2d47f10 R14: ffff9c92c2d47f10 R15: ffff8a1745575000 # [ 52.347875] FS: 00007f54e5911580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 52.356917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.363337] CR2: 00007f54e571a000 CR3: 00000001037e6004 CR4: 00000000003706e0 # [ 52.371312] Call Trace: # [ 52.374046] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 52.379529] direct_entry.cold+0x2c/0x38 # [ 52.383940] full_proxy_write+0x53/0x80 # [ 52.388250] vfs_write+0xe7/0x3a0 # [ 52.391982] ksys_write+0x68/0xf0 # [ 52.395717] do_syscall_64+0x30/0x40 # [ 52.399741] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.405387] RIP: 0033:0x7f54e5827833 # [ 52.409409] 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 # [ 52.430395] RSP: 002b:00007ffdff3a07f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.438876] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f54e5827833 # [ 52.446851] RDX: 0000000000000017 RSI: 00007f54e571a000 RDI: 0000000000000001 # [ 52.454845] RBP: 00007f54e571a000 R08: 00007f54e5719010 R09: 0000000000000000 # [ 52.462819] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.470794] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.478773] irq event stamp: 0 # [ 52.488396] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.501615] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.516970] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.526131] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.533133] ---[ end trace 9424be860f81b702 ]--- # [ 52.538289] 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 # [ 52.677812] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 52.688886] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 52.696409] ------------[ cut here ]------------ # [ 52.701590] refcount_t: saturated; leaking memory. # [ 52.706975] WARNING: CPU: 3 PID: 2405 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.716418] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.749055] CPU: 3 PID: 2405 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 52.757738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.764549] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.770415] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 # [ 52.797617] RSP: 0018:ffff9c92c2db7e38 EFLAGS: 00010282 # [ 52.803487] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.811506] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 52.819487] RBP: ffffffffb8eb1da0 R08: 0000000000000000 R09: 0000000000000000 # [ 52.833694] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.841679] R13: ffff9c92c2db7f10 R14: ffff9c92c2db7f10 R15: ffff8a1743d0b000 # [ 52.855858] FS: 00007fb1fc11f580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 52.864901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.871318] CR2: 00007fb1fbf28000 CR3: 0000000104e1a001 CR4: 00000000003706e0 # [ 52.879292] Call Trace: # [ 52.882024] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.888185] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.894550] direct_entry.cold+0x2c/0x38 # [ 52.898930] full_proxy_write+0x53/0x80 # [ 52.903240] vfs_write+0xe7/0x3a0 # [ 52.906963] ksys_write+0x68/0xf0 # [ 52.910665] do_syscall_64+0x30/0x40 # [ 52.914681] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.920325] RIP: 0033:0x7fb1fc035833 # [ 52.924315] 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 # [ 52.945302] RSP: 002b:00007ffdb49e5198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.959979] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb1fc035833 # [ 52.967950] RDX: 0000000000000020 RSI: 00007fb1fbf28000 RDI: 0000000000000001 # [ 52.975923] RBP: 00007fb1fbf28000 R08: 00007fb1fbf27010 R09: 0000000000000000 # [ 52.983895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.991868] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.999846] irq event stamp: 0 # [ 53.003283] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.010285] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.019424] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.028562] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.035561] ---[ end trace 9424be860f81b703 ]--- # [ 53.040718] 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 # [ 53.199286] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 53.209602] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 53.223306] ------------[ cut here ]------------ # [ 53.234676] refcount_t: saturated; leaking memory. # [ 53.240058] WARNING: CPU: 1 PID: 2437 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 53.255668] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.288317] CPU: 1 PID: 2437 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 53.303183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.309993] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 53.322038] Code: 01 01 e8 fe 00 95 00 0f 0b c3 cc cc cc cc 80 3d e1 e8 93 01 00 75 a8 48 c7 c7 58 d7 e4 b8 c6 05 d1 e8 93 01 01 e8 db 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 # [ 53.343029] RSP: 0018:ffff9c92c2e3fe38 EFLAGS: 00010282 # [ 53.355081] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 53.369269] RDX: ffff8a17bacac660 RSI: ffff8a17bac9bf70 RDI: ffff8a17bac9bf70 # [ 53.383476] RBP: ffffffffb8eb1dc0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.391452] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.405661] R13: ffff9c92c2e3ff10 R14: ffff9c92c2e3ff10 R15: ffff8a1743d77000 # [ 53.419849] FS: 00007f9a25acd580(0000) GS:ffff8a17bac80000(0000) knlGS:0000000000000000 # [ 53.435087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.441509] CR2: 00007f9a258d6000 CR3: 000000010578a001 CR4: 00000000003706e0 # [ 53.455692] Call Trace: # [ 53.458427] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 53.470763] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 53.483301] direct_entry.cold+0x2c/0x38 # [ 53.487686] full_proxy_write+0x53/0x80 # [ 53.498178] vfs_write+0xe7/0x3a0 # [ 53.508095] ksys_write+0x68/0xf0 # [ 53.518014] do_syscall_64+0x30/0x40 # [ 53.528221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.533891] RIP: 0033:0x7f9a259e3833 # [ 53.544092] 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 # [ 53.571321] RSP: 002b:00007fff687a55c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.579780] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9a259e3833 # [ 53.593961] RDX: 0000000000000020 RSI: 00007f9a258d6000 RDI: 0000000000000001 # [ 53.608148] RBP: 00007f9a258d6000 R08: 00007f9a258d5010 R09: 0000000000000000 # [ 53.616124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.630308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.638289] irq event stamp: 0 # [ 53.641698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.648703] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.657843] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.666982] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.673984] ---[ end trace 9424be860f81b704 ]--- # [ 53.679140] 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 # [ 53.825122] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 53.835650] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 53.843172] ------------[ cut here ]------------ # [ 53.848363] refcount_t: underflow; use-after-free. # [ 53.853759] WARNING: CPU: 3 PID: 2472 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.863197] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.889670] CPU: 3 PID: 2472 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 53.904529] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.911339] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.917178] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.938196] RSP: 0018:ffff9c92c2ee7e40 EFLAGS: 00010286 # [ 53.944060] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 53.958246] RDX: ffff8a17badac660 RSI: ffff8a17bad9bf70 RDI: ffff8a17bad9bf70 # [ 53.972432] RBP: ffffffffb8eb1de0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.980404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.988377] R13: ffff9c92c2ee7f10 R14: ffff9c92c2ee7f10 R15: ffff8a174575d000 # [ 53.996349] FS: 00007f81285df580(0000) GS:ffff8a17bad80000(0000) knlGS:0000000000000000 # [ 54.005413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.011845] CR2: 00007f81283e8000 CR3: 0000000103fbc003 CR4: 00000000003706e0 # [ 54.026023] Call Trace: # [ 54.028754] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.034915] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 54.041261] direct_entry.cold+0x2c/0x38 # [ 54.045665] full_proxy_write+0x53/0x80 # [ 54.049949] vfs_write+0xe7/0x3a0 # [ 54.053673] ksys_write+0x68/0xf0 # [ 54.057373] do_syscall_64+0x30/0x40 # [ 54.061365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.067007] RIP: 0033:0x7f81284f5833 # [ 54.070998] 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 # [ 54.091986] RSP: 002b:00007ffef3743b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.100444] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f81284f5833 # [ 54.108415] RDX: 0000000000000020 RSI: 00007f81283e8000 RDI: 0000000000000001 # [ 54.116386] RBP: 00007f81283e8000 R08: 00007f81283e7010 R09: 0000000000000000 # [ 54.124357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.132328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.140305] irq event stamp: 0 # [ 54.143744] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.150748] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.159885] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.169022] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.176024] ---[ end trace 9424be860f81b705 ]--- # [ 54.181182] 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 # [ 54.326562] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 54.337728] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 54.345231] ------------[ cut here ]------------ # [ 54.356595] refcount_t: underflow; use-after-free. # [ 54.368187] WARNING: CPU: 2 PID: 2507 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 54.377626] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.410265] CPU: 2 PID: 2507 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 54.418948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.425780] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 54.431621] Code: 01 01 e8 db 00 95 00 0f 0b c3 cc cc cc cc 80 3d bb e8 93 01 00 75 85 48 c7 c7 b0 d7 e4 b8 c6 05 ab e8 93 01 01 e8 b8 00 95 00 <0f> 0b c3 cc cc cc cc 80 3d 96 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 54.458811] RSP: 0018:ffff9c92c2f5fe40 EFLAGS: 00010286 # [ 54.464648] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 54.472622] RDX: ffff8a17bad2c660 RSI: ffff8a17bad1bf70 RDI: ffff8a17bad1bf70 # [ 54.480596] RBP: ffffffffb8eb1e00 R08: 0000000000000000 R09: 0000000000000000 # [ 54.488568] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.496542] R13: ffff9c92c2f5ff10 R14: ffff9c92c2f5ff10 R15: ffff8a1746169000 # [ 54.504516] FS: 00007fed22cb7580(0000) GS:ffff8a17bad00000(0000) knlGS:0000000000000000 # [ 54.513556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.519975] CR2: 00007fed22ac0000 CR3: 0000000103e96005 CR4: 00000000003706e0 # [ 54.527948] Call Trace: # [ 54.530679] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 54.536839] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 54.543163] direct_entry.cold+0x2c/0x38 # [ 54.547569] full_proxy_write+0x53/0x80 # [ 54.551878] vfs_write+0xe7/0x3a0 # [ 54.555603] ksys_write+0x68/0xf0 # [ 54.559304] do_syscall_64+0x30/0x40 # [ 54.563320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.568965] RIP: 0033:0x7fed22bcd833 # [ 54.572955] 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 # [ 54.593942] RSP: 002b:00007ffd314c8e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.602400] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fed22bcd833 # [ 54.610372] RDX: 0000000000000020 RSI: 00007fed22ac0000 RDI: 0000000000000001 # [ 54.618345] RBP: 00007fed22ac0000 R08: 00007fed22abf010 R09: 0000000000000000 # [ 54.626319] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.634291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.642270] irq event stamp: 0 # [ 54.651889] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.665106] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.674243] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.683382] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.690384] ---[ end trace 9424be860f81b706 ]--- # [ 54.695540] 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 # [ 54.893207] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 54.900783] lkdtm: attempting good copy_to_user of correct size # [ 54.913651] 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 # [ 55.051652] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 55.064300] lkdtm: attempting good copy_from_user of correct size # [ 55.077348] 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 # [ 55.232871] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 55.240617] lkdtm: attempting good copy_to_user inside whitelist # [ 55.247342] 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 # [ 55.394695] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 55.404606] lkdtm: attempting good copy_from_user inside whitelist # [ 55.417726] 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 # [ 55.611918] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 55.624477] lkdtm: good_stack: ffff9c92c32dfe20-ffff9c92c32dfe40 # [ 55.637385] lkdtm: bad_stack : ffff9c92c32dfda8-ffff9c92c32dfdc8 # [ 55.650342] lkdtm: attempting good copy_to_user of local stack # [ 55.663055] 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 # [ 55.814694] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 55.826100] lkdtm: good_stack: ffff9c92c3367e20-ffff9c92c3367e40 # [ 55.839043] lkdtm: bad_stack : ffff9c92c3367da8-ffff9c92c3367dc8 # [ 55.851973] lkdtm: attempting good copy_from_user of local stack # [ 55.864897] 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 # [ 55.999138] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 56.008937] lkdtm: good_stack: ffff9c92c33efe20-ffff9c92c33efe40 # [ 56.015664] lkdtm: bad_stack : ffff9c92c33efff8-ffff9c92c33f0018 # [ 56.022396] lkdtm: attempting good copy_to_user of local stack # [ 56.035140] lkdtm: attempting bad copy_to_user of distant stack # [ 56.041767] 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 # [ 56.178276] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 56.190653] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb8ad15b0 # [ 56.199329] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb76e3d70 # [ 56.213904] 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 # [ 56.353907] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 56.362782] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 56.376902] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 56.390889] lkdtm: FAIL: the thread stack is NOT properly erased # [ 56.403846] CPU: 0 PID: 2872 Comm: cat Tainted: G D W 5.10.169-cip26 #1 # [ 56.418650] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.425454] Call Trace: # [ 56.428187] dump_stack+0x77/0x9b # [ 56.431892] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 56.437054] direct_entry.cold+0x2c/0x38 # [ 56.441434] full_proxy_write+0x53/0x80 # [ 56.445722] vfs_write+0xe7/0x3a0 # [ 56.449425] ksys_write+0x68/0xf0 # [ 56.453114] do_syscall_64+0x30/0x40 # [ 56.457110] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.462750] RIP: 0033:0x7fe49afab833 # [ 56.466730] 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 # [ 56.487714] RSP: 002b:00007ffdb8df4528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.496170] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe49afab833 # [ 56.504140] RDX: 0000000000000012 RSI: 00007fe49ae9e000 RDI: 0000000000000001 # [ 56.512110] RBP: 00007fe49ae9e000 R08: 00007fe49ae9d010 R09: 0000000000000000 # [ 56.520070] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.528037] 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 # [ 56.671870] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 56.679125] lkdtm: Calling matched prototype ... # [ 56.684297] lkdtm: Calling mismatched prototype ... # [ 56.689758] 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 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #