[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 21354 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #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...Skip microcode update apic_id: 0x03 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376060 run 170403 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 8976 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 8970 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 8965 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 8962 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 8972 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90941 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107728 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 14151 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 14150 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 22363 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 53516 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 13859 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 11317 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 9262 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 10045 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465978 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486085 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 825816 exit 39283 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 2113796 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 228 run 139270 exit 20439 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 31077 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2443 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2247 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2241 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5964 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5280 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23476 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 23807 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2249 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2383 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24413 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-08-31 11:42:14 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-08-31 11:42:14 UTC ELOG: Event(92) added with size 9 at 2022-08-31 11:42:14 UTC ELOG: Event(9A) added with size 9 at 2022-08-31 11:42:14 UTC ELOG: Event(AD) added with size 10 at 2022-08-31 11:42:14 UTC ELOG: Event(9F) added with size 14 at 2022-08-31 11:42:14 UTC BS: BS_DEV_INIT times (us): entry 0 run 417194 exit 60065 ELOG: Event(A1) added with size 10 at 2022-08-31 11:42:14 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-31 11:42:14 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 25685 run 3961 exit 5194 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 435 coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533709 exit 146369 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 603 run 260037 exit 135343 mp_park_aps done after 0 msecs. Jumping to boot code at 30104020(7aabe000) CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes Starting depthcharge on rammus... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! The GBB signature is at 0x30004020 and is: 24 47 42 42 [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21 rammus:tftpboot 192.168.201.1 7147608/tftp-deploy-euar0jrg/kernel/bzImage 7147608/tftp-deploy-euar0jrg/kernel/cmdline 7147608/tftp-deploy-euar0jrg/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7147608/tftp-deploy-euar0jrg/kernel/bzImoy-euar0jrg/kernel/cmdline 7147608/tftp-deploy-euar0jrg/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.20 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7147608/tftp-deploy-euar0jrg/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ####### done. The bootfile was 13685664 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: 7147608/tftp-deploy-euar0jrg/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/7147608/extract-nfsrootfs-k0ewo55y,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: 18163539 Starting kernel ... [ 0.000000] Linux version 5.10.138-cip15 (KernelCI@build-j91141-x86-64-gcc-10-x86-64-defconfig-x86-chromebookql9bp) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Aug 31 11:35:50 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7147608/extract-nfsrootfs-k0ewo55y,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 [ 0.000046] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001168] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006035] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020478] check: Scanning 1 areas for low memory corruption [ 0.020489] Using GB pages for direct mapping [ 0.020990] RAMDISK: [mem 0x377fa000-0x37ffffff] [ 0.020996] ACPI: Early table checksum verification disabled [ 0.021003] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.021014] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021029] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021043] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.021053] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021063] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021072] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.021083] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021093] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021103] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.021112] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.021123] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021133] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.021142] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021152] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.021157] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.021161] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021165] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021168] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.021172] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.021176] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.021180] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.021184] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.021188] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.021192] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.021195] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021325] No NUMA configuration found [ 0.021330] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021337] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.021374] Zone ranges: [ 0.021378] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021384] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021389] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021395] Movable zone start for each node [ 0.021399] Early memory node ranges [ 0.021403] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021407] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021411] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021417] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021446] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021483] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031422] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031477] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031500] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031845] ACPI: PM-Timer IO Port: 0x1808 [ 0.031896] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.031907] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.031912] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.031923] Using ACPI (MADT) for SMP configuration information [ 0.031928] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.031934] TSC deadline timer available [ 0.031938] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.031961] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.031966] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.031971] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.031974] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.031978] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.031981] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.031984] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.031988] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.031991] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.031994] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.031998] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.032001] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.032005] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.032008] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.032011] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.032018] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.032024] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.043098] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.043317] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.043375] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.043379] Policy zone: Normal [ 0.043391] 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/7147608/extract-nfsrootfs-k0ewo55y,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.043800] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.043996] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.044068] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062613] Memory: 3890624K/4089052K available (18450K kernel code, 3465K rwdata, 6032K rodata, 2036K init, 13240K bss, 198168K reserved, 0K cma-reserved) [ 0.062750] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062819] Kernel/User page tables isolation: enabled [ 0.062890] ftrace: allocating 53372 entries in 209 pages [ 0.111325] ftrace: allocated 209 pages with 4 groups [ 0.111570] Running RCU self tests [ 0.111583] rcu: Hierarchical RCU implementation. [ 0.111587] rcu: RCU event tracing is enabled. [ 0.111590] rcu: RCU lockdep checking is enabled. [ 0.111594] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.111598] Rude variant of Tasks RCU enabled. [ 0.111601] Tracing variant of Tasks RCU enabled. [ 0.111606] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.111610] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.120057] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.120474] random: crng init done [ 0.120566] Console: colour dummy device 80x25 [ 0.195720] printk: console [ttyS0] enabled [ 0.196088] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.196749] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.197108] ... MAX_LOCK_DEPTH: 48 [ 0.197476] ... MAX_LOCKDEP_KEYS: 8192 [ 0.197857] ... CLASSHASH_SIZE: 4096 [ 0.198232] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.198621] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.199004] ... CHAINHASH_SIZE: 32768 [ 0.199386] memory used by lock dependency info: 6365 kB [ 0.199853] memory used for stack traces: 4224 kB [ 0.200265] per task-struct memory footprint: 1920 bytes [ 0.200781] ACPI: Core revision 20200925 [ 0.201333] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.201832] APIC: Switch to symmetric I/O mode setup [ 0.206273] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.207188] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.208091] pid_max: default: 32768 minimum: 301 [ 0.208173] LSM: Security Framework initializing [ 0.208173] SELinux: Initializing. [ 0.208173] LSM support for eBPF active [ 0.208173] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.208173] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.208173] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.208173] process: using mwait in idle threads [ 0.208173] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.208173] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.208173] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.208173] Spectre V2 : Mitigation: IBRS [ 0.208173] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.208173] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.208173] RETBleed: Mitigation: IBRS [ 0.208173] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.208173] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.208173] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.208173] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.208173] SRBDS: Vulnerable: No microcode [ 0.208173] ------------[ cut here ]------------ [ 0.208173] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.208173] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.208173] Modules linked in: [ 0.208173] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.138-cip15 #1 [ 0.208173] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.208173] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.208173] Code: c4 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 78 6d e0 94 c6 05 1c 5c c4 01 01 e8 c6 6a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.208173] RSP: 0000:ffffffff95003de0 EFLAGS: 00010282 [ 0.208173] RAX: 0000000000000000 RBX: ffffffff95ae3ee0 RCX: 0000000000000000 [ 0.208173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9377a871 [ 0.208173] RBP: ffffffff94ada0e0 R08: 0000000000000001 R09: 0000000000000001 [ 0.208173] R10: ffffffff9508fb80 R11: 3fffffffffffffff R12: ffffffff95afba88 [ 0.208173] R13: cccccccccccccccc R14: ffffffff94ada0e5 R15: 0000000000000004 [ 0.208173] FS: 0000000000000000(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 0.208173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.208173] CR2: ffff99580fe01000 CR3: 000000014e626001 CR4: 00000000003706f0 [ 0.208173] Call Trace: [ 0.208173] alternative_instructions+0x7d/0x143 [ 0.208173] check_bugs+0xec1/0xf1d [ 0.208173] start_kernel+0x517/0x54d [ 0.208173] secondary_startup_64_no_verify+0xc2/0xcb [ 0.208173] irq event stamp: 162167 [ 0.208173] hardirqs last enabled at (162175): [] console_unlock+0x4d1/0x5f0 [ 0.208173] hardirqs last disabled at (162182): [] console_unlock+0x444/0x5f0 [ 0.208173] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.208173] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.208173] ---[ end trace 4ca682eed208995e ]---# [ 0.208173] Freeing SMP alternatives memory: 44K [ 0.208173] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.208840] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.209188] ... version: 4 [ 0.209545] ... bit width: 48 [ 0.209906] ... generic registers: 4 [ 0.210179] ... value mask: 0000ffffffffffff [ 0.210644] ... max period: 00007fffffffffff [ 0.211106] ... fixed-purpose events: 3 [ 0.211179] ... event mask: 000000070000000f [ 0.212171] rcu: Hierarchical SRCU implementation. [ 0.214081] smp: Bringing up secondary CPUs ... [ 0.214931] x86: Booting SMP configuration: [ 0.215195] .... node #0, CPUs: #1 [ 0.216235] 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. [ 0.217202] 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. [ 0.218859] #2 #3 [ 0.220966] smp: Brought up 1 node, 4 CPUs [ 0.221555] smpboot: Max logical packages: 1 [ 0.221936] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.224518] devtmpfs: initialized [ 0.225325] x86/mm: Memory block size: 128MB [ 0.229380] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.230196] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.231198] pinctrl core: initialized pinctrl subsystem [ 0.232013] PM: RTC time: 11:42:28, date: 2022-08-31 [ 0.232704] NET: Registered protocol family 16 [ 0.233819] audit: initializing netlink subsys (disabled) [ 0.234224] audit: type=2000 audit(1661946148.027:1): state=initialized audit_enabled=0 res=1 [ 0.234890] thermal_sys: Registered thermal governor 'step_wise' [ 0.234960] thermal_sys: Registered thermal governor 'user_space' [ 0.235258] cpuidle: using governor menu [ 0.236303] ACPI: bus type PCI registered [ 0.237013] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.237188] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.237807] PCI: Using configuration type 1 for base access [ 0.261462] Kprobes globally optimized [ 0.262206] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.262789] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.263370] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.266429] ACPI: Added _OSI(Module Device) [ 0.266803] ACPI: Added _OSI(Processor Device) [ 0.267192] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.267607] ACPI: Added _OSI(Processor Aggregator Device) [ 0.268080] ACPI: Added _OSI(Linux-Dell-Video) [ 0.268183] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.268650] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.281820] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.290379] ACPI: EC: EC started [ 0.290689] ACPI: EC: interrupt blocked [ 0.291824] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.292184] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.292821] ACPI: Interpreter enabled [ 0.293210] ACPI: (supports S0 S3 S4 S5) [ 0.293560] ACPI: Using IOAPIC for interrupt routing [ 0.294072] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.312015] ACPI: Power Resource [PRIC] (on) [ 0.440312] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.440860] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.441494] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.442161] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.442815] PCI host bridge to bus 0000:00 [ 0.443184] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.443773] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.444182] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.444828] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.445181] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.445826] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.446181] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.446826] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.447181] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.447825] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.448181] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.448826] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.449181] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.449826] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.450181] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.450825] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.451181] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.451827] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.452181] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.452826] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.453182] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.453747] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.455240] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.455788] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.456194] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.456825] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.457863] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.458205] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.459597] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.460145] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.460873] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.461218] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.461942] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.463002] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.463218] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.464521] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.465080] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.466052] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.466225] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.467701] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.468226] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.468834] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.470029] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.470226] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.471704] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.472380] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.473720] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.474226] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.475678] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.476226] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.477677] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.478220] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.479771] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.480220] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.481622] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.482971] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.483212] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.484567] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.485124] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.485239] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.485927] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.486986] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.487247] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.487904] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.488960] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.489215] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.490837] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.491381] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.492924] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.494957] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.495197] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.497155] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.498111] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.498477] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.499406] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.500333] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.501260] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.502189] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503116] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.509252] ACPI: EC: interrupt unblocked [ 0.509620] ACPI: EC: event unblocked [ 0.509959] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.510181] ACPI: EC: GPE=0x6e [ 0.510463] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.511073] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.511608] iommu: Default domain type: Translated [ 0.512361] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.512791] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.513212] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.513713] vgaarb: loaded [ 0.514486] SCSI subsystem initialized [ 0.514851] ACPI: bus type USB registered [ 0.515344] usbcore: registered new interface driver usbfs [ 0.515883] usbcore: registered new interface driver hub [ 0.516218] usbcore: registered new device driver usb [ 0.516782] pps_core: LinuxPPS API ver. 1 registered [ 0.517180] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.517971] PTP clock support registered [ 0.518413] Advanced Linux Sound Architecture Driver Initialized. [ 0.520123] NetLabel: Initializing [ 0.520181] NetLabel: domain hash size = 128 [ 0.520566] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.521128] NetLabel: unlabeled traffic allowed by default [ 0.521297] PCI: Using ACPI for IRQ routing [ 0.529536] clocksource: Switched to clocksource tsc-early [ 0.907715] VFS: Disk quotas dquot_6.6.0 [ 0.908113] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.909104] pnp: PnP ACPI init [ 0.910211] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.910790] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.911385] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.911962] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.912555] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.913133] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.913754] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.914376] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.914952] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.915544] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.917059] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.917980] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.918771] system 00:04: [io 0x0200] has been reserved [ 0.919260] system 00:04: [io 0x0204] has been reserved [ 0.919730] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.920264] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.923287] pnp: PnP ACPI: found 6 devices [ 0.937604] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.938497] NET: Registered protocol family 2 [ 0.939027] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.941153] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.942097] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.942993] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.945300] TCP: Hash tables configured (established 32768 bind 32768) [ 0.946145] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.947057] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.947896] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.948881] NET: Registered protocol family 1 [ 0.949945] RPC: Registered named UNIX socket transport module. [ 0.950506] RPC: Registered udp transport module. [ 0.950922] RPC: Registered tcp transport module. [ 0.951349] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.952449] NET: Registered protocol family 44 [ 0.952860] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.953334] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.953933] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.954481] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.955018] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.955677] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.956287] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.956882] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.957489] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.958092] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.958706] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.959323] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.959926] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.960539] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.961142] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.961755] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.962373] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.962976] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.963590] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.964206] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.964824] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.965437] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.966041] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.967028] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.969719] PCI: CLS 64 bytes, default 64 [ 0.970455] Unpacking initramfs... [ 1.235232] Freeing initrd memory: 8216K [ 1.235653] DMAR: Host address width 39 [ 1.236023] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.236565] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.237304] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.237848] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.238341] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.239112] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.239687] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.240584] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.241294] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.241795] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.242369] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.242840] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.243343] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.245537] kvm: already loaded the other module [ 1.285980] check: Scanning for low memory corruption every 60 seconds [ 1.289687] Initialise system trusted keyrings [ 1.290305] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.310436] NFS: Registering the id_resolver key type [ 1.310917] Key type id_resolver registered [ 1.311330] Key type id_legacy registered [ 1.328369] Key type asymmetric registered [ 1.328759] Asymmetric key parser 'x509' registered [ 1.329249] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.329902] io scheduler mq-deadline registered [ 1.330320] io scheduler kyber registered [ 1.330884] test_firmware: interface ready [ 1.332787] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.334553] ACPI: AC Adapter [AC] (on-line) [ 1.335309] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.336947] ACPI: Lid Switch [LID0] [ 1.337535] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.338421] ACPI: Power Button [PWRF] [ 1.339079] ACPI: \_PR_.CP00: Found 3 idle states [ 1.340313] ACPI: \_PR_.CP01: Found 3 idle states [ 1.341328] ACPI: \_PR_.CP02: Found 3 idle states [ 1.342452] ACPI: \_PR_.CP03: Found 3 idle states [ 1.343889] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.348165] hpet_acpi_add: no address or irqs in _CRS [ 1.348660] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.348871] Non-volatile memory driver v1.3 [ 1.349782] Linux agpgart interface v0.103 [ 1.352804] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.406787] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.408113] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.409052] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.410272] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.446959] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.451322] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.472420] loop: module loaded [ 1.473640] lkdtm: No crash points registered, enable through debugfs [ 1.499077] printk: console [ttyS0] disabled [ 1.499742] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.287354] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.293662] printk: console [ttyS0] enabled [ 2.300498] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.329415] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.943306] fbcon: i915drmfb (fb0) is primary device [ 4.945565] clocksource: Switched to clocksource tsc [ 4.946578] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.955758] e100: Intel(R) PRO/100 Network Driver [ 4.955762] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.955832] e1000: Intel(R) PRO/1000 Network Driver [ 4.955835] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.955921] e1000e: Intel(R) PRO/1000 Network Driver [ 4.955924] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.956016] sky2: driver version 1.30 [ 4.956722] usbcore: registered new interface driver r8152 [ 4.957332] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.957365] ehci-pci: EHCI PCI platform driver [ 4.957383] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.957451] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.957530] ohci-pci: OHCI PCI platform driver [ 4.957606] uhci_hcd: USB Universal Host Controller Interface driver [ 4.959451] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.960720] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.962335] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.962406] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.965899] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.965925] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.965929] usb usb1: Product: xHCI Host Controller [ 4.965933] usb usb1: Manufacturer: Linux 5.10.138-cip15 xhci-hcd [ 4.965937] usb usb1: SerialNumber: 0000:00:14.0 [ 4.968514] hub 1-0:1.0: USB hub found [ 4.968772] hub 1-0:1.0: 12 ports detected [ 4.974721] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.975312] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.975328] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.975910] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.975921] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.975925] usb usb2: Product: xHCI Host Controller [ 4.975929] usb usb2: Manufacturer: Linux 5.10.138-cip15 xhci-hcd [ 4.975935] usb usb2: SerialNumber: 0000:00:14.0 [ 4.978385] hub 2-0:1.0: USB hub found [ 4.978556] hub 2-0:1.0: 6 ports detected [ 4.981023] Console: switching to colour frame buffer device 240x67 [ 4.981287] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.982295] usbcore: registered new interface driver usblp [ 4.982396] usbcore: registered new interface driver usb-storage [ 4.983153] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.983423] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.983444] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.984386] i8042: Warning: Keylock active [ 4.984700] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.987813] rtc_cmos 00:02: RTC can wake from S4 [ 4.990654] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.993841] rtc_cmos 00:02: registered as rtc0 [ 4.994032] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.997230] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.997302] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.002892] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.359155] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.367031] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.376528] intel_pstate: Intel P-state driver initializing [ 5.383502] intel_pstate: HWP enabled [ 5.387650] sdhci: Secure Digital Host Controller Interface driver [ 5.394561] sdhci: Copyright(c) Pierre Ossman [ 5.399475] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.408858] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.416941] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.426942] hid: raw HID events driver (C) Jiri Kosina [ 5.433555] usbcore: registered new interface driver usbhid [ 5.439830] usbhid: USB HID core driver [ 5.444752] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.463878] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.473244] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.475515] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.491483] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.491813] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.510741] gre: GRE over IPv4 demultiplexor driver [ 5.516232] ip_gre: GRE over IPv4 tunneling driver [ 5.522383] IPv4 over IPsec tunneling driver [ 5.527473] Initializing XFRM netlink socket [ 5.532923] NET: Registered protocol family 10 [ 5.538811] Segment Routing with IPv6 [ 5.543517] ip6_gre: GRE over IPv6 tunneling driver [ 5.549302] NET: Registered protocol family 17 [ 5.554755] 8021q: 802.1Q VLAN Support v1.8 [ 5.559494] Key type dns_resolver registered [ 5.565072] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.571257] microcode: Microcode Update Driver: v2.2. [ 5.571264] IPI shorthand broadcast: enabled [ 5.571292] sched_clock: Marking stable (5484444590, 86734676)->(5667694859, -96515593) [ 5.589893] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.600571] registered taskstats version 1 [ 5.605305] Loading compiled-in X.509 certificates [ 5.613730] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.622907] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.623629] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.624589] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.626150] PM: Magic number: 2:194:733 [ 5.626200] hwmon hwmon0: hash matches [ 5.647369] mmc0: new HS400 MMC card at address 0001 [ 5.647608] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.652742] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.675197] printk: console [netcon0] enabled [ 5.680104] netconsole: network logging started [ 5.685327] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.692099] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.698963] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.699666] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.712009] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.727002] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.727359] IP-Config: Failed to open gretap0 [ 5.737257] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.740246] IP-Config: Failed to open erspan0 [ 5.752905] IP-Config: No network devices available [ 5.758429] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.768486] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.770701] modprobe (102) used greatest stack depth: 14016 bytes left [ 5.773939] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.774047] ALSA device list: [ 5.774051] No soundcards found. [ 5.774299] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.774313] cfg80211: failed to load regulatory.db [ 5.777649] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.777653] usb 2-3: Product: USB 10/100/1000 LAN [ 5.777655] usb 2-3: Manufacturer: Realtek [ 5.777657] usb 2-3: SerialNumber: 001000001 [ 5.837601] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 5.839803] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.860840] Freeing unused kernel image (initmem) memory: 2036K [ 5.874487] Write protecting the kernel read-only data: 26624k [ 5.882247] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.888203] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.897034] Freeing unused kernel image (rodata/data gap) memory: 112K [ 5.904395] Run /init as init process [ 5.909588] mkdir (106) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7 [ 5.929124] systemd-udevd (124) used greatest stack depth: 13800 bytes left [ 5.986315] udevadm (126) used greatest stack depth: 13672 bytes left [ 6.052411] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.061583] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.069601] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.074971] usb 1-9: Manufacturer: Azurewave [ 6.079757] usb 1-9: SerialNumber: 0x0001 [ 6.087804] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.142747] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.152148] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.153001] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.186914] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.196674] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 6.207158] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.240966] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.251490] r8152 2-3:1.0 eth0: v1.11.11 [ 6.254101] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.267983] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.275740] r8152 2-3:1.0 enx00e04c787fda: renamed from eth0 [ 6.288647] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.299698] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.380049] udevadm (138) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: enx00e04c787fda hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 7.913774] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c787fda: link becomes ready [ 7.922422] r8152 2-3:1.0 enx00e04c787fda: carrier on IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c787fda hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c787fda complete (dhcp from 192.168.201.1): address: 192.168.201.20 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.346817] nfsmount (164) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.499089] systemd[1]: systemd 247.3-7 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) [ 9.537518] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.566839] systemd[1]: Set hostname to . [ 10.062287] systemd[1]: Queued start job for default target Graphical Interface. [ 10.073741] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.090838] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.106865] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.123817] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.139749] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.158632] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.180415] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.203582] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.219559] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.230438] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.246528] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.257448] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.268757] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.286341] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.303438] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.319959] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.335347] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.355383] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.370800] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.388310] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.404063] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.423573] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.440439] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.461544] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 10.483475] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.500795] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.517655] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.555660] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.566114] fuse: init (API version 7.32) [ 10.572315] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.589962] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.607103] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.626804] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.649832] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.664951] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.681537] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.696752] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.713749] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 10.737340] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.744419] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.760065] systemd[1]: modprobe@drm.service: Succeeded. [ 10.766658] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 10.782089] systemd[1]: modprobe@fuse.service: Succeeded. [ 10.788714] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 10.805354] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 10.820605] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 10.908668] systemd-journald[199]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 12.412517] systemd-tmpfile (210) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.138-cip15 #1 SMP Wed Aug 31 11:35:50 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7147608/extract-nfsrootfs-k0ewo55y' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7147608/extract-nfsrootfs-k0ewo55y' / # 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-7147608/environment . /lava-7147608/environment / # /lava-7147608/bin/lava-test-runner /lava-7147608/0 /lava-7147608/bin/lava-test-runner /lava-7147608/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7147608/0/tests/0_timesync-off ++ cat uuid + UUID=7147608_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7147608/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7147608_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.138-cip15/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7147608/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-08-31 11:43:02-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.138-cip15/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: 3527676 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 177KB/s kselftest.tar.xz 6%[> ] 216.08K 380KB/s kselftest.tar.xz 18%[==> ] 648.78K 732KB/s kselftest.tar.xz 52%[=========> ] 1.77M 1.55MB/s kselftest.tar.xz 80%[===============> ] 2.70M 1.89MB/s kselftest.tar.xz 100%[===================>] 3.36M 2.11MB/s in 1.6s 2022-08-31 11:43:04 (2.11 MB/s) - 'kselftest.tar.xz' saved [3527676/3527676] tar: ./futex/run.sh: time stamp 2022-08-31 11:44:25 is 80.343175051 s in the future tar: ./futex/functional/futex_wait_uninitialized_heap: time stamp 2022-08-31 11:43:54 is 49.333285674 s in the future tar: ./futex/functional/futex_requeue_pi: time stamp 2022-08-31 11:43:53 is 48.324921327 s in the future tar: ./futex/functional/futex_requeue_pi_mismatched_ops: time stamp 2022-08-31 11:43:54 is 49.318134961 s in the future tar: ./futex/functional/futex_wait_wouldblock: time stamp 2022-08-31 11:43:53 is 48.311377526 s in the future tar: ./futex/functional/futex_wait_timeout: time stamp 2022-08-31 11:43:53 is 48.305079186 s in the future tar: ./futex/functional/futex_wait_private_mapped_file: time stamp 2022-08-31 11:43:55 is 50.296532003 s in the future tar: ./futex/functional/futex_requeue_pi_signal_restart: time stamp 2022-08-31 11:43:54 is 49.288319167 s in the future tar: ./futex/functional: time stamp 2022-08-31 11:44:25 is 80.286636788 s in the future tar: ./futex: time stamp 2022-08-31 11:44:25 is 80.284781308 s in the future tar: ./filesystems/binderfs/binderfs_test: time stamp 2022-08-31 11:44:25 is 80.273152858 s in the future tar: ./filesystems/binderfs: time stamp 2022-08-31 11:44:25 is 80.271183978 s in the future tar: ./filesystems/dnotify_test: time stamp 2022-08-31 11:43:51 is 46.265256859 s in the future tar: ./filesystems/devpts_pts: time stamp 2022-08-31 11:43:51 is 46.260247401 s in the future tar: ./filesystems/epoll/epoll_wakeup_test: time stamp 2022-08-31 11:43:52 is 47.228906344 s in the future tar: ./filesystems/epoll: time stamp 2022-08-31 11:44:25 is 80.227895382 s in the future tar: ./filesystems: time stamp 2022-08-31 11:44:25 is 80.22693286 s in the future tar: ./ir/ir_loopback: time stamp 2022-08-31 11:43:55 is 50.220922525 s in the future tar: ./ir: time stamp 2022-08-31 11:44:25 is 80.217351976 s in the future tar: ./pstore: time stamp 2022-08-31 11:44:27 is 82.204410902 s in the future tar: ./firmware/fw_namespace: time stamp 2022-08-31 11:43:52 is 47.189047624 s in the future tar: ./firmware: time stamp 2022-08-31 11:44:25 is 80.184771648 s in the future tar: ./ftrace: time stamp 2022-08-31 11:44:25 is 79.948635923 s in the future tar: ./seccomp/seccomp_benchmark: time stamp 2022-08-31 11:44:14 is 68.943509576 s in the future tar: ./seccomp/seccomp_bpf: time stamp 2022-08-31 11:44:15 is 69.909894317 s in the future tar: ./seccomp: time stamp 2022-08-31 11:44:28 is 82.908810029 s in the future tar: ./kvm/dirty_log_test: time stamp 2022-08-31 11:44:01 is 55.864500021 s in the future tar: ./kvm/platform_info_test: time stamp 2022-08-31 11:43:58 is 52.824046131 s in the future tar: ./kvm/tsc_msrs_test: time stamp 2022-08-31 11:44:00 is 54.782429394 s in the future tar: ./kvm/vmx_set_nested_state_test: time stamp 2022-08-31 11:44:00 is 54.724567673 s in the future tar: ./kvm/xss_msr_test: time stamp 2022-08-31 11:44:00 is 54.684414695 s in the future tar: ./kvm/mmio_warning_test: time stamp 2022-08-31 11:43:58 is 52.642843319 s in the future tar: ./kvm/hyperv_cpuid: time stamp 2022-08-31 11:43:57 is 51.586061652 s in the future tar: ./kvm/set_sregs_test: time stamp 2022-08-31 11:43:58 is 52.544034782 s in the future tar: ./kvm/state_test: time stamp 2022-08-31 11:43:58 is 52.479924575 s in the future tar: ./kvm/sync_regs_test: time stamp 2022-08-31 11:43:59 is 53.437276413 s in the future tar: ./kvm/debug_regs: time stamp 2022-08-31 11:44:00 is 54.393725517 s in the future tar: ./kvm/vmx_preemption_timer_test: time stamp 2022-08-31 11:43:59 is 53.33709805 s in the future tar: ./kvm/smm_test: time stamp 2022-08-31 11:43:58 is 52.28132779 s in the future tar: ./kvm/set_memory_region_test: time stamp 2022-08-31 11:44:01 is 55.243673185 s in the future tar: ./kvm/svm_vmcall_test: time stamp 2022-08-31 11:43:59 is 53.208081406 s in the future tar: ./kvm/steal_time: time stamp 2022-08-31 11:44:02 is 56.171647844 s in the future tar: ./kvm/vmx_close_while_nested_test: time stamp 2022-08-31 11:43:59 is 53.125637008 s in the future tar: ./kvm/vmx_apic_access_test: time stamp 2022-08-31 11:43:59 is 53.077786001 s in the future tar: ./kvm/kvm_pv_test: time stamp 2022-08-31 11:43:58 is 52.033539694 s in the future tar: ./kvm/vmx_tsc_adjust_test: time stamp 2022-08-31 11:44:00 is 53.97527652 s in the future tar: ./kvm/vmx_dirty_log_test: time stamp 2022-08-31 11:43:59 is 52.919883516 s in the future tar: 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2022-08-31 11:43:51 is 40.967303995 s in the future tar: ./exec: time stamp 2022-08-31 11:44:25 is 74.964724537 s in the future tar: ./memfd/memfd_test: time stamp 2022-08-31 11:44:02 is 51.95251584 s in the future tar: ./memfd/fuse_test: time stamp 2022-08-31 11:44:02 is 51.94874201 s in the future tar: ./memfd/fuse_mnt: time stamp 2022-08-31 11:44:02 is 51.945139785 s in the future tar: ./memfd: time stamp 2022-08-31 11:44:26 is 75.941888753 s in the future tar: ./proc/self: time stamp 2022-08-31 11:44:11 is 60.937017368 s in the future tar: ./proc/fd-002-posix-eq: time stamp 2022-08-31 11:44:11 is 60.933399849 s in the future tar: ./proc/setns-sysvipc: time stamp 2022-08-31 11:44:12 is 61.929744643 s in the future tar: ./proc/proc-multiple-procfs: time stamp 2022-08-31 11:44:12 is 61.926119756 s in the future tar: ./proc/proc-self-map-files-001: time stamp 2022-08-31 11:44:11 is 60.92212729 s in the future tar: ./proc/fd-003-kthread: time stamp 2022-08-31 11:44:11 is 60.917019638 s 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60.850733695 s in the future tar: ./proc/setns-dcache: time stamp 2022-08-31 11:44:12 is 61.842846825 s in the future tar: ./proc: time stamp 2022-08-31 11:44:27 is 76.840295876 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-08-31 11:43:51 is 40.829819813 s in the future tar: ./efivarfs/create-read: time stamp 2022-08-31 11:43:51 is 40.819591065 s in the future tar: ./efivarfs: time stamp 2022-08-31 11:44:24 is 73.817412182 s in the future tar: ./vm/mlock-random-test: time stamp 2022-08-31 11:44:17 is 66.807678534 s in the future tar: ./vm/transhuge-stress: time stamp 2022-08-31 11:44:18 is 67.80107458 s in the future tar: ./vm/map_populate: time stamp 2022-08-31 11:44:17 is 66.795347702 s in the future tar: ./vm/gup_benchmark: time stamp 2022-08-31 11:44:17 is 66.787561067 s in the future tar: ./vm/userfaultfd: time stamp 2022-08-31 11:44:18 is 67.778077313 s in the future tar: ./vm/hugepage-shm: time stamp 2022-08-31 11:44:17 is 66.771800219 s in the future tar: 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2022-08-31 11:44:02 is 49.078112148 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_FROM.sh: time stamp 2022-08-31 11:44:02 is 49.072791952 s in the future tar: ./lkdtm/REFCOUNT_ADD_OVERFLOW.sh: time stamp 2022-08-31 11:44:02 is 49.06765338 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-08-31 11:44:02 is 49.062796244 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_SATURATED.sh: time stamp 2022-08-31 11:44:02 is 49.05715916 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-08-31 11:44:02 is 49.051946421 s in the future tar: ./lkdtm/REFCOUNT_INC_ZERO.sh: time stamp 2022-08-31 11:44:02 is 49.046169838 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-08-31 11:44:02 is 49.040179261 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-08-31 11:44:02 is 49.034830886 s in the future tar: ./lkdtm/UNALIGNED_LOAD_STORE_WRITE.sh: time stamp 2022-08-31 11:44:02 is 49.029398236 s in the future tar: ./lkdtm/CORRUPT_STACK_STRONG.sh: time stamp 2022-08-31 11:44:02 is 49.024330182 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-08-31 11:44:02 is 49.018652278 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-08-31 11:44:02 is 49.014163261 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-08-31 11:44:02 is 49.008824203 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-08-31 11:44:02 is 48.617062699 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-08-31 11:44:02 is 48.610788254 s in the future tar: ./lkdtm: time stamp 2022-08-31 11:44:26 is 72.607939794 s in the future tar: ./kselftest-list.txt: time stamp 2022-08-31 11:44:30 is 76.60141765 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-08-31 11:43:55 is 41.590884321 s in the future tar: ./kcmp: time stamp 2022-08-31 11:44:25 is 71.588541442 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-08-31 11:44:02 is 48.578882838 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-08-31 11:44:03 is 49.570531305 s in the future tar: ./mqueue: time stamp 2022-08-31 11:44:26 is 72.567929142 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-08-31 11:44:11 is 57.557768748 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-08-31 11:44:11 is 57.543376122 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-08-31 11:44:11 is 57.535457418 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-08-31 11:44:11 is 57.525172779 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-08-31 11:44:11 is 57.514908833 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-08-31 11:44:11 is 57.507828681 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-08-31 11:44:11 is 57.502092935 s in the future tar: ./pidfd: time stamp 2022-08-31 11:44:27 is 73.500139728 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-08-31 11:44:20 is 66.494124713 s in the future tar: ./kselftest/runner.sh: time stamp 2022-08-31 11:44:20 is 66.489477992 s in the future tar: ./kselftest/module.sh: time stamp 2022-08-31 11:44:20 is 66.484937433 s in the future tar: ./kselftest: time stamp 2022-08-31 11:44:20 is 66.483115529 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-08-31 11:43:50 is 36.475456256 s in the future tar: ./breakpoints: time stamp 2022-08-31 11:44:24 is 70.473466714 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-08-31 11:44:16 is 62.466473778 s in the future tar: ./tmpfs: time stamp 2022-08-31 11:44:28 is 74.46485499 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-08-31 11:43:51 is 37.457176203 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-08-31 11:43:51 is 37.449744926 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-08-31 11:43:51 is 37.44294632 s in the future tar: ./clone3/clone3: time stamp 2022-08-31 11:43:51 is 37.437294741 s in the future tar: ./clone3: time stamp 2022-08-31 11:44:24 is 70.435698575 s in the future tar: ./timens/futex: time stamp 2022-08-31 11:44:16 is 62.42889328 s in the future tar: ./timens/procfs: time stamp 2022-08-31 11:44:16 is 62.423710529 s in the future tar: ./timens/timer: time stamp 2022-08-31 11:44:16 is 62.417935944 s in the future tar: ./timens/exec: time stamp 2022-08-31 11:44:16 is 62.412892879 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-08-31 11:44:16 is 62.407520007 s in the future tar: ./timens/timerfd: time stamp 2022-08-31 11:44:16 is 62.402035381 s in the future tar: ./timens/timens: time stamp 2022-08-31 11:44:16 is 62.396202206 s in the future tar: ./timens/gettime_perf: time stamp 2022-08-31 11:44:16 is 62.390503435 s in the future tar: ./timens: time stamp 2022-08-31 11:44:28 is 74.388902111 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-08-31 11:44:02 is 48.379310693 s in the future tar: ./mincore: time stamp 2022-08-31 11:44:26 is 72.377719445 s in the future tar: ./sync/sync_test: time stamp 2022-08-31 11:44:16 is 62.367512171 s in the future tar: ./sync: time stamp 2022-08-31 11:44:28 is 74.365554749 s in the future tar: ./livepatch: time stamp 2022-08-31 11:44:26 is 72.33229867 s in the future tar: ./sysctl: time stamp 2022-08-31 11:44:28 is 74.321381698 s in the future tar: .: time stamp 2022-08-31 11:44:30 is 76.319600089 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 46.758800] 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 [ 46.923238] lkdtm: Performing direct entry BUG [ 46.928298] ------------[ cut here ]------------ [ 46.933485] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 46.939404] invalid opcode: 0000 [#1] SMP PTI [ 46.944275] CPU: 0 PID: 728 Comm: cat Tainted: G W 5.10.138-cip15 #1 [ 46.952827] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.959634] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.964016] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 46.985000] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 46.990834] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.998794] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 47.006763] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 47.014734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.022703] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 47.030664] FS: 00007f2d5425f580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 47.039693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.046108] CR2: 00007f2d54078000 CR3: 000000010579e001 CR4: 00000000003706f0 [ 47.054068] Call Trace: [ 47.056796] direct_entry.cold+0x2c/0x38 [ 47.061178] full_proxy_write+0x53/0x80 [ 47.065467] vfs_write+0xe7/0x3a0 [ 47.069170] ksys_write+0x68/0xf0 [ 47.072870] do_syscall_64+0x30/0x40 [ 47.076865] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.082505] RIP: 0033:0x7f2d54187f33 [ 47.086493] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.107474] RSP: 002b:00007ffd859f9008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.115930] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2d54187f33 [ 47.123900] RDX: 0000000000000004 RSI: 00007f2d54078000 RDI: 0000000000000001 [ 47.131870] RBP: 00007f2d54078000 R08: 00007f2d54077010 R09: 0000000000000000 [ 47.139831] R10: 00007f2d542821c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.147792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.155766] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.182305] ---[ end trace 4ca682eed2089960 ]--- [ 47.187506] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.191956] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 47.212985] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 47.218873] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.226879] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 47.234882] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 47.242873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.250882] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 47.258877] FS: 00007f2d5425f580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 47.267941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.274376] CR2: 00007f2d54078000 CR3: 000000010579e001 CR4: 00000000003706f0 # Segmentation fault # [ 46.923238] lkdtm: Performing direct entry BUG # [ 46.928298] ------------[ cut here ]------------ # [ 46.933485] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 46.939404] invalid opcode: 0000 [#1] SMP PTI # [ 46.944275] CPU: 0 PID: 728 Comm: cat Tainted: G W 5.10.138-cip15 #1 # [ 46.952827] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.959634] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.964016] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 46.985000] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 47.390944] lkdtm: Performing direct entry WARNING # [ 46.990834] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX[ 47.397997] ------------[ cut here ]------------ : 0000000000000000 # [ 46.998794] RDX: 0000000000000000 RSI: [ 47.409382] WARNING: CPU: 1 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 47.006763] RBP: ff[ 47.424996] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ [ 47.457645] CPU: 1 PID: 764 Comm: cat Tainted: G D W 5.10.138-cip15 #1 47.014734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 47.472419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000004 # [ 47.022703] R13: ffff9df2814bff10 R14: ffff[ 47.485445] RIP: 0010:lkdtm_WARNING+0x13/0x20 9df2814bff10 R15: ffff9957c39f5000 # [ 47.030664] FS: 00007f[ 47.496526] 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 50 f2 73 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 31 f2 2d5425f580(0000) GS:ffff99583ac00000(0000) knlGS:000000000000000[ 47.523735] RSP: 0018:ffff9df28152fe60 EFLAGS: 00010202 0 # [ 47.039693] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 47.535787] RAX: ffffffff93ede2d0 RBX: 0000000000000002 RCX: 0000000000000000 50033 # [ 47.046108] CR2: 00007f2d54078000 CR3: 000000010579e[ 47.549978] RDX: 0000000000000000 RSI: ffff99583ac9bf70 RDI: ffffffff94ad9c60 001 CR4: 00000000003706f0 # [ 47.054068] Call Trace: # [ 4[ 47.564170] RBP: ffffffff94ec88a7 R08: 0000000000000000 R09: 0000000000000000 7.056796] direct_entry.cold+0x2c/0x38 # [ 47.061178] full_p[ 47.578373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 roxy_write+0x53/0x80 # [ 47.065467] vfs_write+0xe7/0x3a0 # [ 47.592566] R13: ffff9df28152ff10 R14: ffff9df28152ff10 R15: ffff9957c3e7b000 [ 47.606754] FS: 00007f2caaea7580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 47.069170] ksys_write+0x68/0xf0 # [ 47.072870] do_sysca[ 47.615798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ll_64+0x30/0x40 # [ 47.076865] entry_SYSCALL_64_after_hwfram[ 47.628435] CR2: 00007f2caacc0000 CR3: 0000000104c9a003 CR4: 00000000003706e0 e+0x61/0xc6 # [ 47.082505] RIP: 0033:0x7f2d54187f33 # [ 47[ 47.642625] Call Trace: .086493] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 47.651572] direct_entry.cold+0x2c/0x38 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 47.662188] full_proxy_write+0x53/0x80 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 47.672666] vfs_write+0xe7/0x3a0 8 48 89 54 24 18 # [ 47.107474] RSP: 002b:00007ffd859f9008 EF[ 47.682584] ksys_write+0x68/0xf0 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.115930] RAX:[ 47.692503] do_syscall_64+0x30/0x40 ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2d54187f33 #[ 47.702711] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.714570] RIP: 0033:0x7f2caadcff33 [ 47.123900] RDX: 0000000000000004 RSI: 00007f2d54078000 RDI:[ 47.718563] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000000000001 # [ 47.131870] RBP: 00007f2d54078000 R08: 0[ 47.745764] RSP: 002b:00007ffc115b2ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.760442] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2caadcff33 0007f2d54077010 R09: 0000000000000000 # [ 47.139831] R10: 000[ 47.768417] RDX: 0000000000000008 RSI: 00007f2caacc0000 RDI: 0000000000000001 [ 47.782602] RBP: 00007f2caacc0000 R08: 00007f2caacbf010 R09: 0000000000000000 07f2d542821c0 R11: 0000000000000246 R12: 0000000000000001 # [ [ 47.790578] R10: 00007f2caaeca1c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.804763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 47.147792] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 47.812762] irq event stamp: 0 [ 47.822359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000020000 # [ 47.155766] Modules linked in: fuse ip_table[ 47.829367] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 47.844715] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 47.853857] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_e[ 47.867071] ---[ end trace 4ca682eed2089961 ]--- c_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.182305] ---[ end trace 4ca682eed2089960 ]--- # [ 47.187506] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.191956] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 47.212985] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 47.218873] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.226879] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 47.234882] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 47.242873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.250882] [ 47.954013] lkdtm: Performing direct entry WARNING_MESSAGE [ 47.965377] ------------[ cut here ]------------ [ 47.970569] Warning message trigger count: 2 R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f500[ 47.975372] WARNING: CPU: 3 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 47.991796] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 # [ 47.258877] FS: 00007f2d5425f580(0000) GS:ffff99583ac00[ 48.018264] CPU: 3 PID: 799 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 48.033029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.039838] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 48.045482] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 73 02 48 c7 c7 08 8e ec 94 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 48.066472] RSP: 0018:ffff9df2815c7e60 EFLAGS: 00010286 [ 48.072310] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 48.080284] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 48.088263] RBP: ffffffff94ec88af R08: 0000000000000000 R09: 0000000000000000 [ 48.096238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 48.104268] R13: ffff9df2815c7f10 R14: ffff9df2815c7f10 R15: ffff9957c4da0000 [ 48.112256] FS: 00007f0204036580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 48.121330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.127749] CR2: 00007f0203e4f000 CR3: 0000000103bcc004 CR4: 00000000003706e0 000(0000) knlGS:0000000000000000 # [ 47.267941] CS: 0010 DS:[ 48.135726] Call Trace: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.274376] CR2: 0000[ 48.144677] direct_entry.cold+0x2c/0x38 [ 48.155295] full_proxy_write+0x53/0x80 7f2d54078000 CR3: 000000010579e001 CR4: 00000000003706f0 # BUG:[ 48.159593] vfs_write+0xe7/0x3a0 [ 48.169502] ksys_write+0x68/0xf0 [ 48.173249] do_syscall_64+0x30/0x40 [ 48.177269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.182945] RIP: 0033:0x7f0203f5ef33 [ 48.186939] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.207985] RSP: 002b:00007ffd4b2a6908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selft[ 48.216463] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0203f5ef33 [ 48.230642] RDX: 0000000000000010 RSI: 00007f0203e4f000 RDI: 0000000000000001 [ 48.238620] RBP: 00007f0203e4f000 R08: 00007f0203e4e010 R09: 0000000000000000 [ 48.246595] R10: 00007f02040591c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.254570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.262550] irq event stamp: 0 ests: lkdtm: WARNING.sh # [ 47.390944] lkdtm: Performing dire[ 48.265988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.279216] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ct entry WARNING # [ 47.397997] ------------[ cut here ]-----[ 48.288366] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.303714] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.310717] ---[ end trace 4ca682eed2089962 ]--- ------- # [ 47.409382] WARNING: CPU: 1 PID: 764 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 47.424996] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.457645] CPU: 1 PID: 764 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 47.472419] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.485445] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 47.496526] 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 50 f2 73 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc [ 48.388693] lkdtm: Performing direct entry EXCEPTION 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 # [ 47.523735] R[ 48.396045] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 48.410030] #PF: supervisor write access in kernel mode [ 48.415865] #PF: error_code(0x0002) - not-present page [ 48.421604] PGD 0 P4D 0 SP: 0018:ffff9df28152fe60 EFLAGS: 00010202 # [ 47.535787] RAX[ 48.424433] Oops: 0002 [#2] SMP PTI [ 48.434538] CPU: 1 PID: 831 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 48.443094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.449903] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 : ffffffff93ede2d0 RBX: 0000000000000002 RCX: 0000000000000000 [ 48.454865] Code: 48 c7 c7 08 8e ec 94 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 48.482065] RSP: 0018:ffff9df281637e60 EFLAGS: 00010282 [ 48.487899] RAX: ffffffff93ede320 RBX: 0000000000000004 RCX: 0000000000000000 [ 48.495867] RDX: 0000000000000000 RSI: ffff99583ac9bf70 RDI: ffffffff94ad9c80 [ 48.503838] RBP: ffffffff94dfdee7 R08: 0000000000000000 R09: 0000000000000000 [ 48.511808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 48.519776] R13: ffff9df281637f10 R14: ffff9df281637f10 R15: ffff9957c54cf000 [ 48.527747] FS: 00007fb2e3522580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 48.536785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.543212] CR2: 0000000000000000 CR3: 0000000103142005 CR4: 00000000003706e0 [ 48.551200] Call Trace: [ 48.553932] direct_entry.cold+0x2c/0x38 # [ 47.549978] RDX: 0000000000000000 RSI: ffff99583ac9bf70 RDI[ 48.558314] full_proxy_write+0x53/0x80 [ 48.568805] vfs_write+0xe7/0x3a0 : ffffffff94ad9c60 # [ 47.564170] RBP: ffffffff94ec88a7 R08: [ 48.572504] ksys_write+0x68/0xf0 [ 48.582417] do_syscall_64+0x30/0x40 0000000000000000 R09: 0000000000000000 # [ 47.578373] R10: 00[ 48.586408] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.598271] RIP: 0033:0x7fb2e344af33 [ 48.602271] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.623257] RSP: 002b:00007fff172fa348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.631713] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb2e344af33 [ 48.639683] RDX: 000000000000000a RSI: 00007fb2e333b000 RDI: 0000000000000001 [ 48.647652] RBP: 00007fb2e333b000 R08: 00007fb2e333a010 R09: 0000000000000000 [ 48.655621] R10: 00007fb2e35451c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.663591] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ [ 48.671565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.704208] CR2: 0000000000000000 [ 48.707906] ---[ end trace 4ca682eed2089963 ]--- [ 48.713052] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.717428] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 48.738415] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 48.744256] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.752227] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 48.760211] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 48.768199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 47.592566] R13: ffff9df28152ff10 R14: ffff9df28152ff10 R15: ff[ 48.776178] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 48.790362] FS: 00007fb2e3522580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 48.799401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.805816] CR2: 0000000000000000 CR3: 0000000103142005 CR4: 00000000003706e0 [ 48.813787] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 48.823701] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 831, name: cat [ 48.832050] INFO: lockdep is turned off. [ 48.836427] irq event stamp: 0 [ 48.839832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.846830] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.855967] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.865101] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.872100] CPU: 1 PID: 831 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 48.880653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.887459] Call Trace: [ 48.890208] dump_stack+0x77/0x9b [ 48.893908] ___might_sleep.cold+0xa6/0xb6 [ 48.898483] exit_signals+0x1c/0x2e0 [ 48.902472] do_exit+0xd5/0xb00 [ 48.905975] ? ksys_write+0x68/0xf0 [ 48.909868] rewind_stack_do_exit+0x17/0x20 ff9957c3e7b000 # [ 47.606754] FS: 00007f2caaea7580(0000) GS:[ 48.914538] RIP: 0033:0x7fb2e344af33 [ 48.924739] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.945726] RSP: 002b:00007fff172fa348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.954199] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb2e344af33 ffff99583ac80000(0000) knlGS:0000000000000000 # [ 47.615798] [ 48.962176] RDX: 000000000000000a RSI: 00007fb2e333b000 RDI: 0000000000000001 [ 48.976361] RBP: 00007fb2e333b000 R08: 00007fb2e333a010 R09: 0000000000000000 [ 48.984333] R10: 00007fb2e35451c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.992303] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.628435] CR2: 00007f2caacc0000 CR3: 0000000104c9a003 CR4: 00000000003706e0 # [ 47.642625] Call Trace: # [ 47.651572] direct_entry.cold+0x2c/0x38 # [ 47.662188] full_proxy_write+0x53/0x80 # [ 47.672666] vfs_write+0xe7/0x3a0 # [ 47.682584] ksys_write+0x68/0xf0 # [ 47.692503] do_syscall_64+0x30/0x40 # [ 47.702711] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.714570] RIP: 0033:0x7f2caadcff33 # [ 47.718563] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.745764] RSP: 002b:00007ffc115b2ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.760442] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f2caadcff33 # [ 47.768417] RDX: 0000000000000008 RSI: 00007f2caacc0000 RDI: 0000000000000001 # [ 47.782602] RBP: 00007f2caacc0000 R08: 00007f2caacbf010 R09: 0000000000000000 # [ 47.790578] R10: 00007f2caaeca1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.804763] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.812762] irq event stamp: 0 # [ 47.822359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.829367] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.844715] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.853857] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.867071] ---[ end trace 4ca682eed2089961 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 47.954013] lkdtm: Performing direct entry WARNING_MESSAGE # [ 47.965377] ------------[ cut here ]------------ # [ 47.970569] Warning message trigger count: 2 # [ 47.975372] WARNING: CPU: 3 PID: 799 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 47.991796] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 49.220407] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 49.230340] lkdtm: attempting good list addition [ 49.235499] lkdtm: attempting corrupted list addition [ 49.241143] lkdtm: list_add() corruption not detected! 48.018264] CPU: 3 PID: 799 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 48.033029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.039838] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.045482] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 f2 73 02 48 c7 c7 08 8e ec 94 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 48.066472] RSP: 0018:ffff9df2815c7e60 EFLAGS: 00010286 # [ 48.072310] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.080284] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 48.088263] RBP: ffffffff94ec88af R08: 0000000000000000 R09: 0000000000000000 # [ 48.096238] [ 49.320224] lkdtm: Performing direct entry CORRUPT_LIST_DEL R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001[ 49.327728] lkdtm: attempting good list removal 0 # [ 48.104268] R13: ffff9df2815c7f10 R14: ffff9df2815c7f10 [ 49.339007] lkdtm: attempting corrupted list removal R15: ffff9957c4da0000 # [ 48.112256] FS: 00007f0204036580(00[ 49.350771] lkdtm: list_del() corruption not detected! 00) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 48.121330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.127749] CR2: 00007f0203e4f000 CR3: 0000000103bcc004 CR4: 00000000003706e0 # [ 48.135726] Call Trace: # [ 48.144677] direct_entry.cold+0x2c/0x38 # [ 48.155295] full_proxy_write+0x53/0x80 # [ 48.159593] vfs_write+0xe7/0x3a0 # [ 48.169502] ksys_write+0x68/0xf0 # [ 48.173249] do_syscall_64+0x30/0x40 # [ 48.177269] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.182945] RIP: 0033:0x7f0203f5ef33 # [ 48.186939] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.207985] RSP: 002b:00007ffd4b2a6908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.216463] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0203f5ef33 # [ 48.230642] RDX: 0000000000000010 RSI: 00007f0203e4f000 RDI: 0000000000000001 # [ 48.238620] RBP: 00007f0203e4f000 R08: 00007f0203e4e0[ 49.464398] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 10 R09: 0000000000000000 # [ 48.246595] R10: 00007f02040591c0[ 49.475427] lkdtm: attempting bad read from page below current stack R11: 0000000000000246 R12: 0000000000000001 # [ 48.254570] R[ 49.488776] BUG: stack guard page was hit at 00000000fb82a99d (stack is 0000000030abb757..00000000b064948a) [ 49.505832] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 49.512629] CPU: 0 PID: 1056 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 49.521272] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.528081] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 49.534601] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 91 ec 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ce a0 fd ff 48 c7 c7 e8 91 ec 94 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b4 a0 fd ff 0f 1f 44 [ 49.555581] RSP: 0018:ffff9df28198fe50 EFLAGS: 00010246 [ 49.561415] RAX: 0000000000000038 RBX: ffff9df28198c000 RCX: 0000000000000000 [ 49.569384] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ec91e8 [ 49.577354] RBP: ffffffff94ec8912 R08: 0000000000000000 R09: 0000000000000000 [ 49.585326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 49.593296] R13: ffff9df28198ff10 R14: ffff9df28198ff10 R15: ffff9957c0809000 [ 49.601267] FS: 00007f7741f12580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 49.610306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.616721] CR2: ffff9df28198bfff CR3: 0000000103108003 CR4: 00000000003706f0 [ 49.624692] Call Trace: [ 49.627421] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 49.632478] direct_entry.cold+0x2c/0x38 [ 49.636857] full_proxy_write+0x53/0x80 [ 49.641144] vfs_write+0xe7/0x3a0 [ 49.644847] ksys_write+0x68/0xf0 [ 49.648547] do_syscall_64+0x30/0x40 [ 49.652541] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.658199] RIP: 0033:0x7f7741e3af33 [ 49.662207] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.683192] RSP: 002b:00007ffd8cb4b2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.691649] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7741e3af33 [ 49.699618] RDX: 0000000000000019 RSI: 00007f7741d2b000 RDI: 0000000000000001 [ 49.707588] RBP: 00007f7741d2b000 R08: 00007f7741d2a010 R09: 0000000000000000 [ 49.715557] R10: 00007f7741f351c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.723527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.731502] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.757948] ---[ end trace 4ca682eed2089964 ]--- [ 49.763102] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.767479] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 49.788454] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 49.794287] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.802258] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 49.810228] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 49.818198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.826169] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 49.834139] FS: 00007f7741f12580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 49.843175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.849592] CR2: ffff9df28198bfff CR3: 0000000103108003 CR4: 00000000003706f0 [ 49.857563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.867476] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1056, name: cat [ 49.875923] INFO: lockdep is turned off. [ 49.880301] irq event stamp: 0 [ 49.883707] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.890707] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.899843] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.908979] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.915980] CPU: 0 PID: 1056 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 49.924632] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.931436] Call Trace: [ 49.934163] dump_stack+0x77/0x9b [ 49.937852] ___might_sleep.cold+0xa6/0xb6 [ 49.942426] exit_signals+0x1c/0x2e0 [ 49.946415] do_exit+0xd5/0xb00 [ 49.949920] ? ksys_write+0x68/0xf0 [ 49.953814] rewind_stack_do_exit+0x17/0x20 [ 49.958488] RIP: 0033:0x7f7741e3af33 [ 49.962468] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.983452] RSP: 002b:00007ffd8cb4b2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.991900] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7741e3af33 [ 49.999870] RDX: 0000000000000019 RSI: 00007f7741d2b000 RDI: 0000000000000001 [ 50.007841] RBP: 00007f7741d2b000 R08: 00007f7741d2a010 R09: 0000000000000000 [ 50.015811] R10: 00007f7741f351c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.023781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.262550] irq event stamp: 0 # [ 48.265988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.279216] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.288366] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.303714] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.310717] ---[ end trace 4ca682eed2089962 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 48.388693] lkdtm: Performing direct entry EXCEPTION # [ 48.396045] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 48.410030] #PF: supervisor write access in kernel mode # [ 48.415865] #PF: error_code(0x0002) - not-present page # [ 48.421604] PGD 0 P4D 0 # [ 48.424433] Oops: 0002 [#2] S[ 50.123031] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 50.132119] lkdtm: attempting bad read from page above current stack MP PTI # [ 48.434538] CPU: 1 PID: 831 Comm: cat Tainted: G [ 50.139240] BUG: stack guard page was hit at 00000000d38b5a3a (stack is 000000003cd48db6..000000000d2df60f) [ 50.156325] kernel stack overflow (page fault): 0000 [#4] SMP PTI D W 5.10.138-cip15 #1 # [ 48.443094] Hardware name[ 50.163134] CPU: 3 PID: 1089 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 50.177998] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.184808] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d : Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.449903] RIP: [ 50.191421] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 20 92 ec 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 a0 fd ff 48 c7 c7 60 92 ec 94 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 77 a0 fd ff [ 50.218622] RSP: 0018:ffff9df281a27e50 EFLAGS: 00010246 [ 50.224456] RAX: 0000000000000038 RBX: ffff9df281a24000 RCX: 0000000000000000 [ 50.232426] RDX: 0000000000000000 RSI: ffff99583ad9bf70 RDI: ffffffff94ec9260 [ 50.240395] RBP: ffffffff94ec892b R08: 0000000000000000 R09: 0000000000000000 [ 50.248367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 50.256338] R13: ffff9df281a27f10 R14: ffff9df281a27f10 R15: ffff9957c3925000 [ 50.264309] FS: 00007fe831148580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 50.273340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.279757] CR2: ffff9df281a28000 CR3: 00000001013e2001 CR4: 00000000003706e0 [ 50.287720] Call Trace: [ 50.290449] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 50.296283] direct_entry.cold+0x2c/0x38 [ 50.300664] full_proxy_write+0x53/0x80 [ 50.304946] vfs_write+0xe7/0x3a0 [ 50.308645] ksys_write+0x68/0xf0 [ 50.312345] do_syscall_64+0x30/0x40 [ 50.316334] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.321973] RIP: 0033:0x7fe831070f33 [ 50.325962] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.346949] RSP: 002b:00007ffff79b26b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.355405] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fe831070f33 [ 50.363375] RDX: 000000000000001a RSI: 00007fe830f61000 RDI: 0000000000000001 [ 50.371345] RBP: 00007fe830f61000 R08: 00007fe830f60010 R09: 0000000000000000 [ 50.379315] R10: 00007fe83116b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.387286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.395261] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 48.454865] Code: 48 c7 c7 0[ 50.421727] ---[ end trace 4ca682eed2089965 ]--- [ 50.433094] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.437463] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 50.458448] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 50.464281] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.472258] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 50.480228] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 50.488211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.496199] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 8 8e ec 94 8d 70 01 89 35 21 f2 73 02 e8 fb 14 66 00 0f 0b c3 cc[ 50.504175] FS: 00007fe831148580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 50.519428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.525845] CR2: ffff9df281a28000 CR3: 00000001013e2001 CR4: 00000000003706e0 cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 48.482065] RSP: 0018:ffff9df281637e60 EFLAGS: 00010282 # [ 48.487899] RAX: ffffffff93ede320 RBX: 0000000000000004 RCX: 0000000000000000 # [ 48.495867] RDX: 0000000000000000 RSI: ffff99583ac9bf70 RDI: ffffffff94ad9c80 # [ 48.503838] RBP: ffffffff94dfdee7 R08: 0000000000000000 R09: 0000000000000000 # [ 48.511808] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 48.519776] R13: ffff9df281637f10 R14: ffff9df281637f10 R15: ffff9957c54cf000 # [ 48.527747] FS: 00007fb2e3522580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 48.536785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.543212] CR2: 0000000000000000 CR3: 0000000103142005 CR4: 00000000003706e0 # [ 48.551200] Call Trace: # [ 48.553932] direct_entry.cold+0x2c/0x38 # [ 48.558314] full_proxy_write+0x53/0x80 # [ 48.568805] vfs_write+0xe7/0x3a0 # [ 48.572504] ksys_write+0x68/0xf0 # [ 48.582417] do_syscall_64+0x3[ 50.639106] lkdtm: Performing direct entry UNSET_SMEP 0/0x40 # [ 48.586408] entry_SYSCALL_64_after_hwframe+0x61/0x[ 50.645157] lkdtm: trying to clear SMEP normally c6 # [ 48.598271] RIP: 0033:0x7fb2e344af33 # [ 48.602271] [ 50.656532] ------------[ cut here ]------------ Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b[ 50.667909] pinned CR4 bits changed: 0x100000!? 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f[ 50.679211] WARNING: CPU: 1 PID: 1125 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 50.695623] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4 24 18 # [ 48.623257] RSP: 002b:00007fff172fa348 EFLAGS: 000[ 50.728275] CPU: 1 PID: 1125 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 50.743146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00246 ORIG_RAX: 0000000000000001 # [ 48.631713] RAX: ffffffff[ 50.749958] RIP: 0010:native_write_cr4+0x45/0x60 ffffffda RBX: 000000000000000a RCX: 00007fb2e344af33 # [ 48.6[ 50.761328] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 64 a2 c3 01 00 75 f2 48 c7 c7 28 7f e0 94 c6 05 54 a2 c3 01 01 e8 e6 b0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 50.788535] RSP: 0018:ffff9df281abfe48 EFLAGS: 00010286 39683] RDX: 000000000000000a RSI: 00007fb2e333b000 RDI: 00000000[ 50.794374] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 50.808561] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 00000001 # [ 48.647652] RBP: 00007fb2e333b000 R08: 00007fb2e3[ 50.816534] RBP: ffffffff94ec8945 R08: 0000000000000000 R09: 0000000000000000 [ 50.830721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 33a010 R09: 0000000000000000 # [ 48.655621] R10: 00007fb2e354[ 50.838696] R13: ffff9df281abff10 R14: ffff9df281abff10 R15: ffff9957c3b36000 [ 50.852885] FS: 00007f3e9b2bf580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.66359[ 50.861928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 50.874563] CR2: 00007f3e9b0d8000 CR3: 00000001029d0005 CR4: 00000000003706e0 [ 50.888754] Call Trace: 0000 # [ 48.671565] Modules linked in: fuse ip_tables cros_ec[ 50.891487] lkdtm_UNSET_SMEP.cold+0x1d/0x103 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif[ 50.902565] direct_entry.cold+0x2c/0x38 o_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev[ 50.913163] full_proxy_write+0x53/0x80 cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec[ 50.923667] vfs_write+0xe7/0x3a0 _dev cros_usbpd_notify # [ 48.704208] CR2: 0000000000000000 [ 50.933584] ksys_write+0x68/0xf0 # [ 48.707906] ---[ end trace 4ca682eed2089963 ]--- # [ 48.[ 50.943520] do_syscall_64+0x30/0x40 713052] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.717428] Code: 89 [ 50.953707] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.965567] RIP: 0033:0x7f3e9b1e7f33 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f[ 50.969559] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> [ 50.996785] RSP: 002b:00007ffebeea1fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 [ 51.011442] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e9b1e7f33 [ 51.025629] RDX: 000000000000000b RSI: 00007f3e9b0d8000 RDI: 0000000000000001 # [ 48.738415] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 51.033607] RBP: 00007f3e9b0d8000 R08: 00007f3e9b0d7010 R09: 0000000000000000 [ 51.047793] R10: 00007f3e9b2e21c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.744256] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: [ 51.055768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000000 # [ 48.752227] RDX: 0000000000000000 RSI: ff[ 51.069957] irq event stamp: 0 [ 51.079582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 48.760211] RBP: ffff[ 51.086587] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.101936] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ [ 51.111077] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.124292] ---[ end trace 4ca682eed2089966 ]--- 48.768199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 51.129451] lkdtm: ok: SMEP did not get cleared [ 51.140721] lkdtm: trying to clear SMEP with call gadget 000000000004 # [ 48.776178] R13: ffff9df2814bff10 R14: ffff9d[ 51.146658] lkdtm: ok: SMEP removal was reverted f2814bff10 R15: ffff9957c39f5000 # [ 48.790362] FS: 00007fb2e3522580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 48.799401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.805816] CR2: 0000000000000000 CR3: 0000000103142005 CR4: 00000000003706e0 # [ 48.813787] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 48.823701] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 831, name: cat # [ 48.832050] INFO: lockdep is turned off. # [ 48.836427] irq event stamp: 0 # [ 48.839832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.846830] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.855967] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.[ 51.236266] lkdtm: Performing direct entry DOUBLE_FAULT 865101] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 51.244665] lkdtm: XFAIL: this test is ia32-only # [ 48.872100] CPU: 1 PID: 831 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 48.880653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.887459] Call Trace: # [ 48.890208] dump_stack+0x77/0x9b # [ 48.893908] ___might_sleep.cold+0xa6/0xb6 # [ 48.898483] exit_signals+0x1c/0x2e0 # [ 48.902472] do_exit+0xd5/0xb00 # [ 48.905975] ? ksys_write+0x68/0xf0 # [ 48.909868] rewind_stack_do_exit+0x17/0x20 # [ 48.914538] RIP: 0033:0x7fb2e344af33 # [ 48.924739] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.945726] RSP: 002b:00007fff172fa348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.954199] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb2e344af33 # [ 48.962176] RDX: 000000000000000a RSI: 00007fb2e333b000 RDI: 0000000000000001 # [ 48.976361] RBP: 00007fb2e333b000 R08: 00007fb[ 51.354256] lkdtm: Performing direct entry CORRUPT_PAC 2e333a010 R09: 0000000000000000 # [ 48.984333] R10: 00007fb2e[ 51.361217] lkdtm: XFAIL: this test is arm64-only 35451c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.992303] 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 # [ 49.220407] lkdtm: P[ 51.449780] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 51.460725] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS erforming direct entry CORRUPT_LIST_ADD # [ 49.230340] lkdtm: attempting good list addition # [ 49.235499] lkdtm: attempting corrupted list addition # [ 49.241143] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 49.320224] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 49.327728] lkdtm: attempting good list removal # [ 49.339007] lkdtm: attempting corrupted list removal # [ 49.350771] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 49.464398] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 49.475427] lkdtm: attempting bad read from page below current stack # [ 49.488776] BUG: stack guard page was hit at 00000000fb82a99d (stack is 0000000030abb757..00000000b064948a) # [ 49.505832] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.512629] CPU: 0 PID: 1056 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 49.521272] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.528081] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 49.534601] Code: cc cc cc 0f 1f [ 51.602262] lkdtm: Performing direct entry READ_AFTER_FREE [ 51.611250] lkdtm: Value in memory before free: 12345678 [ 51.617223] lkdtm: Attempting bad read from freed memory 44 00 00 53 48 c7 c7 a8 91 ec 94 50 65 48 8b 04 25 40 b0 01 00 4[ 51.623168] lkdtm: Memory was not poisoned 8 8b 58 18 e8 ce a0 fd ff 48 c7 c7 e8 91 ec 94 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b4 a0 fd ff 0f 1f 44 # [ 49.555581] RSP: 0018:ffff9df28198fe50 EFLAGS: 00010246 # [ 49.561415] RAX: 0000000000000038 RBX: ffff9df28198c000 RCX: 0000000000000000 # [ 49.569384] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ec91e8 # [ 49.577354] RBP: ffffffff94ec8912 R08: 0000000000000000 R09: 0000000000000000 # [ 49.585326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 49.593296] R13: ffff9df28198ff10 R14: ffff9df28198ff10 R15: ffff9957c0809000 # [ 49.601267] FS: 00007f7741f12580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 49.610306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.616721] CR2: ffff9df28198bfff CR3: 0000000103108003 CR4: 00000000003706f0 # [ 49.624692] Call Trace: # [ 49.627421] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 49.632478] direct_entry.cold+0x2c/0x38 # [ 49.636857] full_proxy_write+0x53/0x80 # [ 49.641144] vfs_write+0xe7/0x3a0 # [ 49.644847] ksys_write+0x68/0xf0 # [ 49.648547] do_syscall_64+0x30/0x40 # [ 49.652541] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.658199] RIP: 0033:0x7f7741e3af33 # [ 49.662207] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.683192] RSP: 002b:00007ffd8cb4b2d8 EFLAGS: 00000246 ORIG_RAX:[ 51.777318] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 0000000000000001 # [ 49.691649] RAX: ffffffffffffffda RBX: 0[ 51.789909] lkdtm: Value in memory before free: 12345678 000000000000019 RCX: 00007f7741e3af33 # [ 49.699618] RDX: 000[ 51.802055] lkdtm: Attempting to read from freed memory 0000000000019 RSI: 00007f7741d2b000 RDI: 0000000000000001 # [ [ 51.814107] lkdtm: Buddy page was not poisoned 49.707588] RBP: 00007f7741d2b000 R08: 00007f7741d2a010 R09: 0000000000000000 # [ 49.715557] R10: 00007f7741f351c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.723527] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.731502] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.757948] ---[ end trace 4ca682eed2089964 ]--- # [ 49.763102] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.767479] Code: 89 ff e8 6e bb 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 50 f[ 51.905695] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 2 73 02 # [ 49.788454] RSP: 0018:ffff9df2814bfe60 EFLAGS: 000[ 51.912321] lkdtm: Attempting double slab free ... 10286 # [ 49.794287] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.802258] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 49.810228] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 49.818198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.826169] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 49.834139] FS: 00007f7741f12580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 49.843175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.849592] CR2: ffff9df28198bfff CR3: 0000000103108003 CR4: 00000000003706f0 # [ 49.857563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.867476] in_atomic(): 0, irqs_disabled(): 1, n[ 52.001181] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 52.010811] lkdtm: Attempting cross-cache slab free ... on_block: 0, pid: 1056, name: cat # [ 49.875923] INFO: lockdep is turned off. # [ 49.880301] irq event stamp: 0 # [ 49.883707] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.890707] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.899843] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.908979] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.915980] CPU: 0 PID: 1056 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 49.924632] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.931436] Call Trace: # [ 49.934163] dump_stack+0x77/0x9b # [ 49.937852] ___might_sleep.cold+0xa6/0xb6 # [ 49.942426] exit_signals+0x1c/0x2e0 # [ 49.946415] do_exit+0xd5/0xb00 # [ 49.949920] ? ksys_write+0x68/0xf0 # [ 49.953814] rewind_stack_d[ 52.098201] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 52.109771] lkdtm: Attempting non-Slab slab free ... o_exit+0x17/0x20 # [ 49.958488] RIP: 0033:0x7f7741e3af33 # [ 49.962468] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.983452] RSP: 002b:00007ffd8cb4b2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.991900] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7741e3af33 # [ 49.999870] RDX: 0000000000000019 RSI: 00007f7741d2b000 RDI: 0000000000000001 # [ 50.007841] RBP: 00007f7741d2b000 R08: 00007f7741d2a010 R09: 0000000000000000 # [ 50.015811] R10: 00007f7741f351c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.023781] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 50.123031] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.132119] lkdtm: attempting bad read from page above current stack # [ 50.139240] BUG: stack guard page was hit at 00000000d38b5a3a (stack is 000000003cd48db6..000000000d2df60f) # [ 50.156325] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 50.163134] CPU: 3 PID: 1089 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 50.177998] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.184808] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 50.191421] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 20 92 ec 94 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 a0 fd ff 48 c7 c7 60 92 ec 94 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 77 a0 fd ff # [ 50.218622] RSP: 0018:ffff9df281a27e50 EFLAGS: 00010246 # [ 50.224456] RAX: 0000000000000038 RBX: ffff9df281a24000 RCX: 0000000000000000 # [ 50.232426] RDX: 0000000000000000 RSI: ffff99583ad9bf70 RDI: ffffffff94ec9260 # [ 50.240395] RBP: ffffffff94ec892b R08: 0000000000000000 R09: 0000000000000000 # [ 50.248367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 50.256338] R13: ffff9df281a27f10 R14: ffff9df281a27f10 R15: ffff9957c3925000 # [ 50.264309] FS: 00007fe831148580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 50.273340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.279757] CR2: ffff9df281a280[ 52.346987] lkdtm: Performing direct entry EXEC_DATA [ 52.357038] lkdtm: attempting ok execution at ffffffff93ede690 [ 52.363589] lkdtm: attempting bad execution at ffffffff9661d560 00 CR3: 00000001013e2001 CR4: 00000000003706e0 # [ 50.287720][ 52.370217] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.384791] BUG: unable to handle page fault for address: ffffffff9661d560 [ 52.392470] #PF: supervisor instruction fetch in kernel mode [ 52.398791] #PF: error_code(0x0011) - permissions violation [ 52.405013] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 800000014fc000e3 [ 52.412791] Oops: 0011 [#5] SMP PTI [ 52.416684] CPU: 2 PID: 1632 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 52.425335] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.432145] RIP: 0010:data_area+0x0/0x40 [ 52.436522] Code: ff ff 00 f4 29 c1 57 99 ff ff 00 f3 29 c1 57 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 52.457511] RSP: 0018:ffff9df2822a7e48 EFLAGS: 00010246 [ 52.463336] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.471306] RDX: 0000000000000000 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 [ 52.479277] RBP: ffffffff9661d560 R08: 0000000000000000 R09: 0000000000000000 [ 52.487248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 52.495219] R13: ffff9df2822a7f10 R14: ffff9df2822a7f10 R15: ffff9957c4038000 [ 52.503207] FS: 00007efe37f13580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 52.512260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.518677] CR2: ffffffff9661d560 CR3: 0000000103978006 CR4: 00000000003706e0 [ 52.526648] Call Trace: [ 52.529378] ? execute_location+0x45/0x56 [ 52.533854] ? direct_entry.cold+0x2c/0x38 [ 52.538427] ? full_proxy_write+0x53/0x80 [ 52.542903] ? vfs_write+0xe7/0x3a0 [ 52.546786] ? ksys_write+0x68/0xf0 [ 52.550671] ? do_syscall_64+0x30/0x40 [ 52.554855] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.560692] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Call Trace: # [ 50.290449] ? lkdtm_STACK_GUARD_PAGE_LEADING[ 52.587154] CR2: ffffffff9661d560 [ 52.597065] ---[ end trace 4ca682eed2089967 ]--- [ 52.602220] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.606589] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 52.627576] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 52.633402] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.641373] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 52.649343] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 52.657314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.665284] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 52.673255] FS: 00007efe37f13580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 52.682297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.688712] CR2: ffffffff9661d560 CR3: 0000000103978006 CR4: 00000000003706e0 [ 52.696684] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.706588] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1632, name: cat [ 52.715045] INFO: lockdep is turned off. [ 52.719423] irq event stamp: 0 [ 52.722820] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.729822] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.738958] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.748094] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.755094] CPU: 2 PID: 1632 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 52.763736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.770541] Call Trace: [ 52.773269] dump_stack+0x77/0x9b [ 52.776968] ___might_sleep.cold+0xa6/0xb6 [ 52.781542] exit_signals+0x1c/0x2e0 [ 52.785530] do_exit+0xd5/0xb00 [ 52.789036] ? ksys_write+0x68/0xf0 [ 52.792929] rewind_stack_do_exit+0x17/0x20 [ 52.797590] RIP: 0033:0x7efe37e3bf33 [ 52.801577] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.822565] RSP: 002b:00007ffeb9bdf308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.831021] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efe37e3bf33 [ 52.838992] RDX: 000000000000000a RSI: 00007efe37d2c000 RDI: 0000000000000001 [ 52.846963] RBP: 00007efe37d2c000 R08: 00007efe37d2b010 R09: 0000000000000000 [ 52.854934] R10: 00007efe37f361c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.862904] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x3a/0x3a # [ 50.296283] direct_entry.cold+0x2c/0x38 # [ 50.300664] full_proxy_write+0x53/0x80 # [ 50.304946] vfs_write+0xe7/0x3a0 # [ 50.308645] ksys_write+0x68/0xf0 # [ 50.312345] do_syscall_64+0x30/0x40 # [ 50.316334] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.321973] RIP: 0033:0x7fe831070f33 # [ 50.325962] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.346949] RSP: 002b:00007ffff79b26b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.355405] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fe831070f33 # [ 50.363375] RDX: 000000000000001a RSI: 00007fe830f61000 RDI: 0000000000000001 # [ 50.371345] RBP: 00007fe830f61000 R08: 00007fe830f60010 R09: 0000000000000000 # [ 50.379315] R10: 00007fe83116b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.387286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.395261] Modules linke[ 52.975033] lkdtm: Performing direct entry EXEC_STACK d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 52.982221] lkdtm: attempting ok execution at ffffffff93ede690 [ 52.994956] lkdtm: attempting bad execution at ffff9df282327e18 [ 53.001585] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.009975] BUG: unable to handle page fault for address: ffff9df282327e18 [ 53.017653] #PF: supervisor instruction fetch in kernel mode [ 53.023972] #PF: error_code(0x0011) - permissions violation [ 53.030206] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104bfa067 PTE 800000010328a063 [ 53.039258] Oops: 0011 [#6] SMP PTI [ 53.043150] CPU: 2 PID: 1668 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 53.051801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.058609] RIP: 0010:0xffff9df282327e18 [ 53.062977] Code: 00 00 18 7e 32 82 f2 9d ff ff 5a b5 56 94 ff ff ff ff 20 00 00 00 00 00 00 00 6e 8a ec 94 ff ff ff ff 89 b6 56 94 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.083956] RSP: 0018:ffff9df282327df8 EFLAGS: 00010246 [ 53.089789] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.097759] RDX: 0000000000000000 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 [ 53.105729] RBP: ffff9df282327e18 R08: 0000000000000000 R09: 0000000000000000 [ 53.113699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 53.121670] R13: ffff9df282327f10 R14: ffff9df282327f10 R15: ffff9957c3ed9000 [ 53.129640] FS: 00007fbd86470580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 53.138678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.145093] CR2: ffff9df282327e18 CR3: 000000010311c001 CR4: 00000000003706e0 [ 53.153064] Call Trace: [ 53.155791] ? execute_location+0x45/0x56 [ 53.160265] ? lkdtm_EXEC_STACK+0x26/0x44 [ 53.164740] ? direct_entry.cold+0x2c/0x38 rialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cro[ 53.169316] ? full_proxy_write+0x53/0x80 [ 53.180009] ? vfs_write+0xe7/0x3a0 s_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub [ 53.183901] ? ksys_write+0x68/0xf0 x8[6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.421 53.194009] ? do_syscall_64+0x30/0x40 [ 53.204413] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 727] ---[ end trace 4ca682eed2089965 ]--- # [ 50.433094] RIP:[ 53.210254] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.242894] CR2: ffff9df282327e18 [ 53.246583] ---[ end trace 4ca682eed2089968 ]--- [ 53.251728] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.256106] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 53.277094] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 53.282927] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.290899] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 53.298869] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 53.306838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.314808] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 53.322780] FS: 00007fbd86470580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 53.331819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.338236] CR2: ffff9df282327e18 CR3: 000000010311c001 CR4: 00000000003706e0 0010:lkdtm_BUG+0x5/0x10 # [ 50.437463] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 50.458448] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 50.464281] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.472258] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 50.480228] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 50.488211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.496199] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 50.504175] FS: 00007fe831148580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 50.519428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.525845] CR2: ffff9df281a28000 CR3: 00000001013e2001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftes[ 53.448434] lkdtm: Performing direct entry EXEC_KMALLOC ts: lkdtm: UNSET_SMEP.sh # [ 50.639106] lkdtm: Performing dir[ 53.457791] lkdtm: attempting ok execution at ffffffff93ede690 ect entry UNSET_SMEP # [ 50.645157] lkdtm: trying to clear SM[ 53.470551] lkdtm: attempting bad execution at ffff9957c3ef2ac0 EP normally # [ 50.656532] ------------[ cut here ]----------[ 53.483388] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.497946] BUG: unable to handle page fault for address: ffff9957c3ef2ac0 [ 53.505624] #PF: supervisor instruction fetch in kernel mode [ 53.511941] #PF: error_code(0x0011) - permissions violation [ 53.518163] PGD 14fe01067 P4D 14fe01067 PUD 10084e063 PMD 103e1a063 PTE 8000000103ef2063 [ 53.527209] Oops: 0011 [#7] SMP PTI [ 53.531103] CPU: 0 PID: 1704 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 53.539752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.546556] RIP: 0010:0xffff9957c3ef2ac0 [ 53.550931] Code: 00 00 02 00 00 00 00 00 00 00 80 25 ef c3 57 99 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0b 24 70 93 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.571914] RSP: 0018:ffff9df2823d7e38 EFLAGS: 00010246 [ 53.577739] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.585708] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 [ 53.593678] RBP: ffff9957c3ef2ac0 R08: 0000000000000000 R09: 0000000000000000 [ 53.601646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 53.609616] R13: ffff9df2823d7f10 R14: ffff9df2823d7f10 R15: ffff9957c4017000 [ 53.617583] FS: 00007f725a20f580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 53.626620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.633034] CR2: ffff9957c3ef2ac0 CR3: 0000000103bda005 CR4: 00000000003706f0 [ 53.641002] Call Trace: [ 53.643728] ? execute_location+0x45/0x56 [ 53.648210] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 53.652883] ? direct_entry.cold+0x2c/0x38 [ 53.657456] ? full_proxy_write+0x53/0x80 [ 53.661937] ? vfs_write+0xe7/0x3a0 [ 53.665830] ? ksys_write+0x68/0xf0 [ 53.669724] ? do_syscall_64+0x30/0x40 [ 53.673906] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.679742] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.706202] CR2: ffff9957c3ef2ac0 [ 53.709900] ---[ end trace 4ca682eed2089969 ]--- [ 53.715054] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.719431] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 53.740412] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 53.746248] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.754226] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 53.762209] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 53.770179] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.778170] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 53.786140] FS: 00007f725a20f580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 53.795175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.801589] CR2: ffff9957c3ef2ac0 CR3: 0000000103bda005 CR4: 00000000003706f0 [ 53.809559] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.819461] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1704, name: cat [ 53.827913] INFO: lockdep is turned off. [ 53.832288] irq event stamp: 0 [ 53.835692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.842690] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.851824] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.860948] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.867947] CPU: 0 PID: 1704 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 53.876594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.883397] Call Trace: [ 53.886124] dump_stack+0x77/0x9b [ 53.889813] ___might_sleep.cold+0xa6/0xb6 [ 53.894375] exit_signals+0x1c/0x2e0 [ 53.898363] do_exit+0xd5/0xb00 [ 53.901856] ? ksys_write+0x68/0xf0 [ 53.905750] rewind_stack_do_exit+0x17/0x20 [ 53.910417] RIP: 0033:0x7f725a137f33 [ 53.914404] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.935386] RSP: 002b:00007fffd5b1bba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.943832] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f725a137f33 [ 53.951800] RDX: 000000000000000d RSI: 00007f725a028000 RDI: 0000000000000001 [ 53.959769] RBP: 00007f725a028000 R08: 00007f725a027010 R09: 0000000000000000 [ 53.967737] R10: 00007f725a2321c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.975707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 -- # [ 50.667909] pinned CR4 bits changed: 0x100000!? # [ 50.679211] WARNING: CPU: 1 PID: 1125 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 50.695623] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.728275] CPU: 1 PID: 1125 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 50.743146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.749958] RIP: 0010:native_write_cr4+0x45/0x60 # [ 50.761328] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 64 a2 c3 01 00 75 f2 48 c7 c7 28 7f e0 94 c6 05 54 a2 c3 01 01 e8 e6 b0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 50.788535] RSP: 0018:ffff9df281abfe48 EFLAGS: 00010286 # [ 50.794374] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 50.808561] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 # [ 50.816534] RBP: ffffffff94ec8945 R08: 0000000000000000 R09: 0000000000000000 # [ 50.830721] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 50.838696] R13: ffff9df281abff10 R14: ffff9df281abff10 R15: ffff9957c3b36000 # [ 50.852885] FS: 00007f3e9b2bf580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 50.861928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.874563] CR2: 00007f3e9b0d8000 CR3: 00000001029d0005 CR4: 00000000003706e0 # [ 50.888754] Call Trace: # [ 50.891487] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 50.902565] direct_entry.cold+0x2c/0x38 # [ 50.913163] full_proxy_write+0x53/0x80 # [ 50.923667] vfs_write+0xe7/0x3a0 # [ 50.933584] ksys_write+0x68/0xf0 # [ 50.943520] do_syscall_64+0x30/0x40 # [ 50.953707] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.965567] RIP: [ 54.174827] lkdtm: Performing direct entry EXEC_VMALLOC 0033:0x7f3e9b1e7f33 # [ 50.969559] Code: 8b 15 61 ef 0c 00 f7[ 54.182253] lkdtm: attempting ok execution at ffffffff93ede690 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 54.194993] lkdtm: attempting bad execution at ffff9df280673000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 54.207830] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.222358] BUG: unable to handle page fault for address: ffff9df280673000 [ 54.230035] #PF: supervisor instruction fetch in kernel mode [ 54.236352] #PF: error_code(0x0011) - permissions violation [ 54.242574] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105651067 PTE 800000010298b063 [ 54.251622] Oops: 0011 [#8] SMP PTI [ 54.255512] CPU: 0 PID: 1740 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 54.264160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.270966] RIP: 0010:0xffff9df280673000 [ 54.275343] Code: Unable to access opcode bytes at RIP 0xffff9df280672fd6. [ 54.283019] RSP: 0018:ffff9df282477e38 EFLAGS: 00010246 [ 54.288852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.296819] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 [ 54.304787] RBP: ffff9df280673000 R08: 0000000000000000 R09: 0000000000000000 [ 54.312755] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.320723] R13: ffff9df282477f10 R14: ffff9df282477f10 R15: ffff9957c298b000 [ 54.328693] FS: 00007f4d6dfc1580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 54.337728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.344142] CR2: ffff9df280672fd6 CR3: 00000001029d0001 CR4: 00000000003706f0 [ 54.352111] Call Trace: [ 54.354840] ? execute_location+0x45/0x56 [ 54.359320] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 54.363992] ? direct_entry.cold+0x2c/0x38 [ 54.368565] ? full_proxy_write+0x53/0x80 [ 54.373048] ? vfs_write+0xe7/0x3a0 [ 54.376939] ? ksys_write+0x68/0xf0 [ 54.380833] ? do_syscall_64+0x30/0x40 [ 54.385021] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.390858] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.417300] CR2: ffff9df280673000 [ 54.420987] ---[ end trace 4ca682eed208996a ]--- [ 54.426142] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.430518] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 54.451501] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 54.457334] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.465305] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 54.473274] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 54.481258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.489228] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 54.497210] FS: 00007f4d6dfc1580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 54.506253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.512670] CR2: ffff9df280672fd6 CR3: 00000001029d0001 CR4: 00000000003706f0 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.996785] RSP: 002b:00007ffebeea1fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.011442] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3e9b1e7f33 # [ 51.025629] RDX: 000000000000000b RSI: 00007f3e9b0d8000 RDI: 0000000000000001 # [ 51.033607] RBP: 00007f3e9b0d8000 R08: 00007f3e9b0d7010 R09: 0000000000000000 # [ 51.047793] R10: 00007f3e9b2e21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.055768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.069957] irq event stamp: 0 # [ 51.079582] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.086587] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.101936] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.111077] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.124292] ---[ end trace 4ca682eed2089966 ]--- # [ 51.129451] lkdtm: ok: SMEP did not get cleared # [ 51.140721] lkdtm: trying to clear SMEP with call gadget # [ 51.146658] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 51.236266] lkdtm: Performing direct entry DOUBLE_FAU[ 54.650204] lkdtm: Performing direct entry EXEC_RODATA [ 54.656927] lkdtm: attempting ok execution at ffffffff93ede690 [ 54.663453] lkdtm: attempting bad execution at ffffffff94ada0e0 [ 54.670077] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.678442] BUG: unable to handle page fault for address: ffffffff94ada0e0 [ 54.686124] #PF: supervisor instruction fetch in kernel mode [ 54.692436] #PF: error_code(0x0011) - permissions violation [ 54.698659] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 800000014e0000e1 [ 54.706439] Oops: 0011 [#9] SMP PTI [ 54.710330] CPU: 3 PID: 1776 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 54.718981] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.725790] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 54.731528] Code: ff ff f9 ca 56 94 ff ff ff ff ba 8c ec 94 ff ff ff ff 3f b2 56 94 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 54.752515] RSP: 0018:ffff9df2824e7e48 EFLAGS: 00010246 [ 54.758349] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.766320] RDX: 0000000000000000 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 54.774291] RBP: ffffffff94ada0e0 R08: 0000000000000000 R09: 0000000000000000 [ 54.782262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 54.790233] R13: ffff9df2824e7f10 R14: ffff9df2824e7f10 R15: ffff9957c40da000 [ 54.798256] FS: 00007f06cd681580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 54.807294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.813711] CR2: ffffffff94ada0e0 CR3: 00000001054cc005 CR4: 00000000003706e0 [ 54.821681] Call Trace: [ 54.824409] ? execute_location+0x45/0x56 [ 54.828883] ? direct_entry.cold+0x2c/0x38 [ 54.833456] ? full_proxy_write+0x53/0x80 [ 54.837933] ? vfs_write+0xe7/0x3a0 [ 54.841826] ? ksys_write+0x68/0xf0 [ 54.845721] ? do_syscall_64+0x30/0x40 [ 54.849903] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.855742] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify LT # [ 51.244665] lkdtm: XFAIL: this test is ia32-only # DOU[ 54.882199] CR2: ffffffff94ada0e0 [ 54.892113] ---[ end trace 4ca682eed208996b ]--- [ 54.897267] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.901635] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 54.922621] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 54.928456] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.936426] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 54.944395] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 54.952367] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.960337] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 54.968308] FS: 00007f06cd681580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 54.977346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.983762] CR2: ffffffff94ada0e0 CR3: 00000001054cc005 CR4: 00000000003706e0 BLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 51.354256] lkdtm: Performing direct entry CORRUPT_PAC # [ 51.361217] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 51.449780] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 51.460725] 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 # [ 51.602262] lkdtm: Performing d[ 55.089650] lkdtm: Performing direct entry EXEC_USERSPACE [ 55.097286] lkdtm: attempting ok execution at ffffffff93ede690 irect entry READ_AFTER_FREE # [ 51.611250] lkdtm: Value in me[ 55.103826] lkdtm: attempting bad execution at 00007fb8bf28e000 [ 55.116663] unable to execute userspace code (SMEP?) (uid: 0) mory before free: 12345678 # [ 51.617223] lkdtm: Attempting b[ 55.123088] BUG: unable to handle page fault for address: 00007fb8bf28e000 [ 55.136982] #PF: supervisor instruction fetch in kernel mode [ 55.143300] #PF: error_code(0x0011) - permissions violation [ 55.149522] PGD 8000000103c60067 P4D 8000000103c60067 PUD 10397b067 PMD 104da5067 PTE 113c43067 [ 55.159245] Oops: 0011 [#10] SMP PTI [ 55.163249] CPU: 2 PID: 1812 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 55.171932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.178739] RIP: 0010:0x7fb8bf28e000 [ 55.182726] Code: Unable to access opcode bytes at RIP 0x7fb8bf28dfd6. [ 55.190019] RSP: 0018:ffff9df28258fe50 EFLAGS: 00010246 [ 55.195853] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 55.203824] RDX: 0000000000000000 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 [ 55.211794] RBP: 00007fb8bf28e000 R08: 0000000000000000 R09: 0000000000000000 [ 55.219764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 55.227735] R13: ffff9df28258ff10 R14: ffff9df28258ff10 R15: ffff9957c31be000 [ 55.235706] FS: 00007fb8bf25f580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 55.244744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.251163] CR2: 00007fb8bf28e000 CR3: 0000000104e64003 CR4: 00000000003706e0 [ 55.259126] Call Trace: [ 55.261854] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 55.267212] ? direct_entry.cold+0x2c/0x38 [ 55.271787] ? full_proxy_write+0x53/0x80 [ 55.276263] ? vfs_write+0xe7/0x3a0 [ 55.280156] ? ksys_write+0x68/0xf0 [ 55.284050] ? do_syscall_64+0x30/0x40 [ 55.288233] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.294071] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ad read from freed memory # [ 51.623168] lkdtm: Memory was no[ 55.320534] CR2: 00007fb8bf28e000 [ 55.330447] ---[ end trace 4ca682eed208996c ]--- [ 55.335593] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.339970] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 55.360959] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 55.366792] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.374763] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 55.382733] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 55.390705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.398676] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 55.406648] FS: 00007fb8bf25f580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 55.415688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.422095] CR2: 00007fb8bf28e000 CR3: 0000000104e64003 CR4: 00000000003706e0 [ 55.430066] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.439973] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1812, name: cat [ 55.448420] INFO: lockdep is turned off. [ 55.452797] irq event stamp: 0 [ 55.456209] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.463210] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.472347] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.481483] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.488483] CPU: 2 PID: 1812 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 55.497133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.503939] Call Trace: [ 55.506667] dump_stack+0x77/0x9b [ 55.510365] ___might_sleep.cold+0xa6/0xb6 [ 55.514930] exit_signals+0x1c/0x2e0 [ 55.518918] do_exit+0xd5/0xb00 [ 55.522421] ? ksys_write+0x68/0xf0 [ 55.526306] rewind_stack_do_exit+0x17/0x20 [ 55.530974] RIP: 0033:0x7fb8bf187f33 [ 55.534963] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.555950] RSP: 002b:00007ffffaff8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.564407] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fb8bf187f33 [ 55.572377] RDX: 000000000000000f RSI: 00007fb8bf078000 RDI: 0000000000000001 [ 55.580348] RBP: 00007fb8bf078000 R08: 00007fb8bf077010 R09: 0000000000000000 [ 55.588318] R10: 00007fb8bf2821c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.596289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 51.777318] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 51.789909] lkdtm: Value in memory before free: 12345678 # [ 51.802055] lkdtm: Attempting to read from freed memory # [ 51.814107] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 51.905695] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.912321] 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 # [ 52.001181] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 52.010811] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 52.098201] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.109771] 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_[ 55.792794] lkdtm: Performing direct entry EXEC_NULL TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ [ 55.802531] lkdtm: attempting ok execution at ffffffff93ede690 52.346987] lkdtm: Performing direct entry EXEC_DATA # [ 52.[ 55.815301] lkdtm: attempting bad execution at 0000000000000000 [ 55.828096] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 55.835895] #PF: supervisor instruction fetch in kernel mode [ 55.842217] #PF: error_code(0x0010) - not-present page [ 55.847945] PGD 0 P4D 0 [ 55.850770] Oops: 0010 [#11] SMP PTI [ 55.854760] CPU: 0 PID: 1848 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 55.863403] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.870211] RIP: 0010:0x0 [ 55.873131] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 55.880802] RSP: 0018:ffff9df282617e48 EFLAGS: 00010246 [ 55.886636] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.894606] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 [ 55.902577] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 55.910548] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.918519] R13: ffff9df282617f10 R14: ffff9df282617f10 R15: ffff9957c5568000 [ 55.926490] FS: 00007fc1ff0de580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 55.935529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.941946] CR2: ffffffffffffffd6 CR3: 00000001039c4002 CR4: 00000000003706f0 [ 55.949916] Call Trace: [ 55.952645] execute_location+0x45/0x56 [ 55.956933] direct_entry.cold+0x2c/0x38 [ 55.961318] full_proxy_write+0x53/0x80 [ 55.965607] vfs_write+0xe7/0x3a0 [ 55.969310] ksys_write+0x68/0xf0 [ 55.973012] do_syscall_64+0x30/0x40 [ 55.977008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.982649] RIP: 0033:0x7fc1ff006f33 [ 55.986637] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.007625] RSP: 002b:00007ffd4c0663c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.016084] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc1ff006f33 [ 56.024047] RDX: 000000000000000a RSI: 00007fc1feef7000 RDI: 0000000000000001 [ 56.032019] RBP: 00007fc1feef7000 R08: 00007fc1feef6010 R09: 0000000000000000 [ 56.039990] R10: 00007fc1ff1011c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.047962] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.055938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.082384] CR2: 0000000000000000 [ 56.086074] ---[ end trace 4ca682eed208996d ]--- [ 56.091222] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.095601] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 56.116588] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 56.122422] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.130393] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 56.138365] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 56.146337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.154300] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 56.162262] FS: 00007fc1ff0de580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 56.171300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.177715] CR2: ffffffffffffffd6 CR3: 00000001039c4002 CR4: 00000000003706f0 357038] lkdtm: attempting ok execution at ffffffff93ede690 # [ 52.363589] lkdtm: attempting bad execution at ffffffff9661d560 # [ 52.370217] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.384791] BUG: unable to handle page fault for address: ffffffff9661d560 # [ 52.392470] #PF: supervisor instruction fetch in kernel mode # [ 52.398791] #PF: error_code(0x0011) - permissions violation # [ 52.405013] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 800000014fc000e3 # [ 52.412791] Oops: 0011 [#5] SMP PTI # [ 52.416684] CPU: 2 PID: 1632 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 52.425335] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.432145] RIP: 0010:data_area+0x0/0x40 # [ 52.436522] Code: ff ff 00 f4 29 c1 57 99 ff ff 00 f3 29 c1 57 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 52.457511] RSP: 0018:ffff9df2822a7e48 EFLAGS: 00010246 # [ 52.463336] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.471306] RDX: 0000000000000000 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 # [ 52.479277] RBP: ffffffff9661d560 R08: 0000000000000000 R09: [ 56.307907] lkdtm: Performing direct entry ACCESS_USERSPACE 0000000000000000 # [ 52.487248] R10: 00000000ffffe000 R11: 3f[ 56.316236] lkdtm: attempting bad read at 00007f5ad3cae000 ffffffffffffff R12: 000000000000000a # [ 52.495219] R13: ffff[ 56.328579] BUG: unable to handle page fault for address: 00007f5ad3cae000 [ 56.342468] #PF: supervisor read access in kernel mode [ 56.348219] #PF: error_code(0x0001) - permissions violation 9df2822a7f10 R14: ffff9df2822a7f10 R15: ffff9957c4038000 # [ [ 56.354450] PGD 80000001039d4067 P4D 80000001039d4067 PUD 103bd8067 PMD 104083067 PTE 10da4b067 [ 56.370385] Oops: 0001 [#12] SMP PTI [ 56.374367] CPU: 1 PID: 1883 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 56.383020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.389820] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 52.503207] FS: 00007efe37f13580(0000) GS:ffff99583ad00000(0000)[ 56.396045] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 99 ec 94 e8 08 9a fd ff 48 c7 c7 00 9a ec 94 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ef 99 fd ff 48 89 ee 48 c7 c7 28 9a ec [ 56.423256] RSP: 0018:ffff9df28269fe48 EFLAGS: 00010246 [ 56.429091] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 56.437063] RDX: 0000000000000000 RSI: ffff99583ac9bf70 RDI: ffffffff94ec9a00 [ 56.445034] RBP: 00007f5ad3cae000 R08: 0000000000000000 R09: 0000000000000000 [ 56.453005] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 56.460975] R13: ffff9df28269ff10 R14: ffff9df28269ff10 R15: ffff9957c3121000 [ 56.468946] FS: 00007f5ad3c7f580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 56.477984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.484401] CR2: 00007f5ad3cae000 CR3: 0000000104000003 CR4: 00000000003706e0 [ 56.492372] Call Trace: [ 56.495101] direct_entry.cold+0x2c/0x38 knlGS:0000000000000000 # [ 52.512260] CS: 0010 DS: 0000 ES:[ 56.499483] full_proxy_write+0x53/0x80 [ 56.509977] vfs_write+0xe7/0x3a0 0000 CR0: 0000000080050033 # [ 52.518677] CR2: ffffffff9661d[ 56.513677] ksys_write+0x68/0xf0 [ 56.523590] do_syscall_64+0x30/0x40 560 CR3: 0000000103978006 CR4: 00000000003706e0 # [ 52.526648[ 56.527582] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.539436] RIP: 0033:0x7f5ad3ba7f33 [ 56.543416] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.564393] RSP: 002b:00007ffe8a2dbf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.572850] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5ad3ba7f33 [ 56.580823] RDX: 0000000000000011 RSI: 00007f5ad3a98000 RDI: 0000000000000001 [ 56.588794] RBP: 00007f5ad3a98000 R08: 00007f5ad3a97010 R09: 0000000000000000 [ 56.596765] R10: 00007f5ad3ca21c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.604735] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] Call Trace: # [ 52.529378] ? execute_location+0x45/0x56 #[ 56.612711] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.645355] CR2: 00007f5ad3cae000 [ 56.649052] ---[ end trace 4ca682eed208996e ]--- [ 56.654209] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.658589] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 56.679577] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 56.685403] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.693375] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 56.701346] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 56.709318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.717289] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 56.725260] FS: 00007f5ad3c7f580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 56.734300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.740716] CR2: 00007f5ad3cae000 CR3: 0000000104000003 CR4: 00000000003706e0 [ 56.748687] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.758601] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1883, name: cat [ 56.767057] INFO: lockdep is turned off. [ 56.771434] irq event stamp: 0 [ 56.774839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.781840] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.790967] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.800105] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.807105] CPU: 1 PID: 1883 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 56.815748] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.822554] Call Trace: [ 56.825281] dump_stack+0x77/0x9b [ 56.828981] ___might_sleep.cold+0xa6/0xb6 [ 56.833555] exit_signals+0x1c/0x2e0 [ 56.837545] do_exit+0xd5/0xb00 [ 56.841048] ? ksys_write+0x68/0xf0 [ 56.844942] rewind_stack_do_exit+0x17/0x20 [ 56.849611] RIP: 0033:0x7f5ad3ba7f33 [ 56.853600] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.874579] RSP: 002b:00007ffe8a2dbf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.883037] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5ad3ba7f33 [ 56.891009] RDX: 0000000000000011 RSI: 00007f5ad3a98000 RDI: 0000000000000001 [ 56.898981] RBP: 00007f5ad3a98000 R08: 00007f5ad3a97010 R09: 0000000000000000 [ 56.906952] R10: 00007f5ad3ca21c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.914922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.533854] ? direct_entry.cold+0x2c/0x38 # [ 52.538427] ? full_proxy_write+0x53/0x80 # [ 52.542903] ? vfs_write+0xe7/0x3a0 # [ 52.546786] ? ksys_write+0x68/0xf0 # [ 52.550671] ? do_syscall_64+0x30/0x40 # [ 52.554855] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.560692] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.587154] CR2: ffffffff9661d560 # [ 52.597065] ---[ end trace 4ca682eed2089967 ]--- # [ 52.602220] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.606589] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 52.627576] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 52.633402] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.641373] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 52.649343] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 52.657314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.665284] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 52.673255] FS: 00007efe37f13580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 52.682297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.688712] CR2: ffffffff9661d560 CR3: 0000000103978006 CR4: 00000000003706e0 # [ 52.69668[ 57.083565] lkdtm: Performing direct entry ACCESS_NULL 4] BUG: sleeping function called from invalid context at include[ 57.090237] lkdtm: attempting bad read at 0000000000000000 /linux/percpu-rwsem.h:49 # [ 52.706588] in_atomic(): 0, irqs_[ 57.102594] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.116557] #PF: supervisor read access in kernel mode [ 57.122295] #PF: error_code(0x0000) - not-present page [ 57.128033] PGD 0 P4D 0 [ 57.130858] Oops: 0000 [#13] SMP PTI [ 57.134850] CPU: 0 PID: 1918 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 57.143500] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.150309] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 57.155566] Code: ac 99 fd ff be 00 10 00 00 48 89 ef e8 5c b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 99 ec 94 e8 86 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 9a ec 94 48 01 [ 57.176545] RSP: 0018:ffff9df282727e58 EFLAGS: 00010246 [ 57.182379] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 57.190349] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 [ 57.198320] RBP: ffffffff94ec8ac9 R08: 0000000000000000 R09: 0000000000000000 [ 57.206292] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.214253] R13: ffff9df282727f10 R14: ffff9df282727f10 R15: ffff9957c29d1000 [ 57.222226] FS: 00007fad209bd580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 57.231264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.237682] CR2: 0000000000000000 CR3: 0000000103bb6003 CR4: 00000000003706f0 [ 57.245653] Call Trace: [ 57.248382] direct_entry.cold+0x2c/0x38 [ 57.252768] full_proxy_write+0x53/0x80 [ 57.257048] vfs_write+0xe7/0x3a0 [ 57.260753] ksys_write+0x68/0xf0 [ 57.264454] do_syscall_64+0x30/0x40 [ 57.268447] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.274079] RIP: 0033:0x7fad208e5f33 [ 57.278069] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.299057] RSP: 002b:00007ffde5558e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.307513] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fad208e5f33 [ 57.315484] RDX: 000000000000000c RSI: 00007fad207d6000 RDI: 0000000000000001 [ 57.323454] RBP: 00007fad207d6000 R08: 00007fad207d5010 R09: 0000000000000000 [ 57.331424] R10: 00007fad209e01c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.339395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.347371] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.373819] CR2: 0000000000000000 [ 57.377509] ---[ end trace 4ca682eed208996f ]--- [ 57.382666] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.387043] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 57.408030] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 57.413864] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.421836] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 57.429797] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 57.437768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.445739] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 57.453710] FS: 00007fad209bd580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 [ 57.462741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.469159] CR2: 0000000000000000 CR3: 0000000103bb6003 CR4: 00000000003706f0 disabled(): 1, non_block: 0, pid: 1632, name: cat # [ 52.715045] INFO: lockdep is turned off. # [ 52.719423] irq event stamp: 0 # [ 52.722820] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.729822] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.738958] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.748094] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.755094] CPU: 2 PID: 1632 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 52.763736] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.770541] Call Trace: # [ 52.773269] dump_stack+0x77/0x9b # [ 52.776968] ___might_sleep.cold+0xa6/0xb6 # [ 52.781542] exit_signals+0x1c/0x2e0 # [ 52.785530] do_exit+0xd5/0xb00 # [ 52.789036] ? ksys_write+0x68/0xf0 # [ 52.792929] rewind_stack_do_exit+0x17/0x20 # [ 52.797590] RIP: 0033:0x7efe37e3bf33 # [ 52.801577] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 57.580204] lkdtm: Performing direct entry WRITE_RO [ 57.588283] lkdtm: attempting bad rodata write at ffffffff94ada0d0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 57.595208] BUG: unable to handle page fault for address: ffffffff94ada0d0 [ 57.609087] #PF: supervisor write access in kernel mode [ 57.614922] #PF: error_code(0x0003) - permissions violation [ 57.621144] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 800000014e0000e1 f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.822565] RSP: 002[ 57.628923] Oops: 0003 [#14] SMP PTI [ 57.639125] CPU: 2 PID: 1953 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 57.647768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.654576] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 57.659536] Code: 00 48 c7 c7 b8 98 ec 94 48 c7 c6 d0 a0 ad 94 e8 30 9c fd ff 48 8b 05 46 eb 56 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 94 48 31 d0 <48> 89 05 30 eb 56 00 e9 0e 9c fd ff 0f 1f 44 00 00 48 8b 05 77 ad [ 57.680520] RSP: 0018:ffff9df2827b7e60 EFLAGS: 00010202 [ 57.686353] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 57.694323] RDX: 00000000abcd1234 RSI: ffff99583ad1bf70 RDI: ffffffff94ec98e8 [ 57.702295] RBP: ffffffff94ec8ad5 R08: 0000000000000000 R09: 0000000000000000 [ 57.710266] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 57.718249] R13: ffff9df2827b7f10 R14: ffff9df2827b7f10 R15: ffff9957c39c8000 [ 57.726255] FS: 00007f9efee16580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 57.735294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.741711] CR2: ffffffff94ada0d0 CR3: 0000000103978005 CR4: 00000000003706e0 [ 57.749681] Call Trace: [ 57.752407] direct_entry.cold+0x2c/0x38 [ 57.756790] full_proxy_write+0x53/0x80 [ 57.761070] vfs_write+0xe7/0x3a0 [ 57.764769] ksys_write+0x68/0xf0 [ 57.768469] do_syscall_64+0x30/0x40 [ 57.772459] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.778099] RIP: 0033:0x7f9efed3ef33 [ 57.782088] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.803073] RSP: 002b:00007ffdb607a558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.811530] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f9efed3ef33 [ 57.819500] RDX: 0000000000000009 RSI: 00007f9efec2f000 RDI: 0000000000000001 [ 57.827470] RBP: 00007f9efec2f000 R08: 00007f9efec2e010 R09: 0000000000000000 [ 57.835440] R10: 00007f9efee391c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.843410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.851385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b:00007ffeb9bdf308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.877840] CR2: ffffffff94ada0d0 [ 57.887753] ---[ end trace 4ca682eed2089970 ]--- [ 57.892909] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.897286] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 57.918272] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 57.924107] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.932078] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 57.940049] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 57.948018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.955988] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 57.963956] FS: 00007f9efee16580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 57.972996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.979414] CR2: ffffffff94ada0d0 CR3: 0000000103978005 CR4: 00000000003706e0 # [ 52.831021] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007efe37e3bf33 # [ 52.838992] RDX: 000000000000000a RSI: 00007efe37d2c000 RDI: 0000000000000001 # [ 52.846963] RBP: 00007efe37d2c000 R08: 00007efe37d2b010 R09: 0000000000000000 # [ 52.854934] R10: 00007efe37f361c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.862904] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 52.975033] lkdtm: Performing direct entry EXEC_STACK # [ 52.982221] lkdtm: attempting ok execution at ffffffff93ede690 # [ 52.994956] lkdtm: attempting bad execution at ffff9df282327e18 # [ 53.001585] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.009975] BUG: unable to handle page fault for address: ffff9df282327e18 # [ 53.017653] #PF: supervisor instruction fetch in kernel mode # [ 53.023972] #PF: error_code(0x0011) - permissions violation # [ 53.030206] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104bfa067 PTE 800000010328a063 # [ 53.039258] [ 58.094710] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT Oops: 0011 [#6] SMP PTI # [ 53.043150] CPU: 2 PID: 1668 Comm:[ 58.105813] lkdtm: attempting bad ro_after_init write at ffffffff94f46328 cat Tainted: G D W 5.10.138-cip15 #1 # [ 53.051[ 58.119637] BUG: unable to handle page fault for address: ffffffff94f46328 [ 58.133505] #PF: supervisor write access in kernel mode [ 58.139341] #PF: error_code(0x0003) - permissions violation 801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 58.145555] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 104805063 PTE 800000014e546061 [ 58.160815] Oops: 0003 [#15] SMP PTI [ 58.164804] CPU: 1 PID: 1988 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 58.173442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.180270] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 53.058609] RIP: 0010:0xffff9df282327e18 # [ 53.062977] Code[ 58.186300] Code: 99 ec 94 e9 e2 9b fd ff 48 c7 c7 40 99 ec 94 e8 d6 9b fd ff 48 8b 05 44 ad 9d 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 94 48 31 d0 <48> 89 05 2e ad 9d 00 e9 b4 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 58.213496] RSP: 0018:ffff9df28280fe60 EFLAGS: 00010202 [ 58.219329] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 58.227299] RDX: 00000000abcd1234 RSI: ffff99583ac9bf70 RDI: ffffffff94ec98e8 [ 58.235271] RBP: ffffffff94ec8ade R08: 0000000000000000 R09: 0000000000000000 [ 58.243255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 58.251219] R13: ffff9df28280ff10 R14: ffff9df28280ff10 R15: ffff9957c3255000 [ 58.259210] FS: 00007f28dcb75580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 58.268259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.274675] CR2: ffffffff94f46328 CR3: 000000010310a005 CR4: 00000000003706e0 [ 58.282643] Call Trace: [ 58.285369] direct_entry.cold+0x2c/0x38 : [00 00 18 7e 32 82 f2 9d ff ff 5a b5 56 94 ff ff ff ff 20 00 00 58.289749] full_proxy_write+0x53/0x80 [ 58.300260] vfs_write+0xe7/0x3a0 00 00 00 00 00 6e 8a ec 94 ff ff ff ff 89 b6 56 94 ff ff ff ff [ 58.303957] ksys_write+0x68/0xf0 [ 58.313871] do_syscall_64+0x30/0x40 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00[ 58.317862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.329712] RIP: 0033:0x7f28dca9df33 [ 58.333700] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.354684] RSP: 002b:00007ffca5c696d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.363140] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f28dca9df33 [ 58.371111] RDX: 0000000000000014 RSI: 00007f28dc98e000 RDI: 0000000000000001 [ 58.379081] RBP: 00007f28dc98e000 R08: 00007f28dc98d010 R09: 0000000000000000 [ 58.387051] R10: 00007f28dcb981c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.395021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 55 # [ 53.083956] RSP: 0018:ffff9df282327df8 EFLAGS: 0001024[ 58.402998] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.435636] CR2: ffffffff94f46328 [ 58.439326] ---[ end trace 4ca682eed2089971 ]--- [ 58.444481] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.448857] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 58.469841] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 58.475675] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.483647] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 58.491616] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 58.499586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.507555] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 58.515526] FS: 00007f28dcb75580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 58.524563] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.530979] CR2: ffffffff94f46328 CR3: 000000010310a005 CR4: 00000000003706e0 [ 58.538942] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.548846] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1988, name: cat [ 58.557300] INFO: lockdep is turned off. [ 58.561674] irq event stamp: 0 [ 58.565079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.572069] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.581211] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.590347] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.597350] CPU: 1 PID: 1988 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 58.606000] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.612804] Call Trace: [ 58.615531] dump_stack+0x77/0x9b [ 58.619231] ___might_sleep.cold+0xa6/0xb6 6 # [ 53.089789] RAX: 0000000000000033 RBX: 0000000000000001 [ 58.623804] exit_signals+0x1c/0x2e0 [ 58.634005] do_exit+0xd5/0xb00 [ 58.637508] ? ksys_write+0x68/0xf0 [ 58.641402] rewind_stack_do_exit+0x17/0x20 [ 58.646072] RIP: 0033:0x7f28dca9df33 [ 58.650051] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.671038] RSP: 002b:00007ffca5c696d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.679494] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f28dca9df33 [ 58.687464] RDX: 0000000000000014 RSI: 00007f28dc98e000 RDI: 0000000000000001 [ 58.695435] RBP: 00007f28dc98e000 R08: 00007f28dc98d010 R09: 0000000000000000 [ 58.703404] R10: 00007f28dcb981c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.711374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RCX: 0000000000000000 # [ 53.097759] RDX: 0000000000000000 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 # [ 53.105729] RBP: ffff9df282327e18 R08: 0000000000000000 R09: 0000000000000000 # [ 53.113699] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.121670] R13: ffff9df282327f10 R14: ffff9df282327f10 R15: ffff9957c3ed9000 # [ 53.129640] FS: 00007fbd86470580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 53.138678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.145093] CR2: ffff9df282327e18 CR3: 000000010311c001 CR4: 00000000003706e0 # [ 53.153064] Call Trace: # [ 53.155791] ? execute_location+0x45/0x56 # [ 53.160265] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53.164740] ? direct_entry.cold+0x2c/0x38 # [ 53.169316] ? full_proxy_write+0x53/0x80 # [ 53.180009] ? vfs_write+0xe7/0x3a0 # [ 53.183901] ? ksys_write+0x68/0xf0 # [ 53.194009] ? do_syscall_64+0x30/0x40 # [ 53.204413] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.210254] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_l[ 58.836411] lkdtm: Performing direct entry WRITE_KERN [ 58.843078] lkdtm: attempting bad 6868596 byte write at ffffffff9456b504 [ 58.850602] BUG: unable to handle page fault for address: ffffffff9456b504 [ 58.858313] #PF: supervisor write access in kernel mode [ 58.864149] #PF: error_code(0x0003) - permissions violation [ 58.870372] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 14da000e1 ightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_[ 58.877473] Oops: 0003 [#16] SMP PTI [ 58.887677] CPU: 2 PID: 2023 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 58.896328] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.903138] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e usbpd_notify # [ 53.242894] CR2: ffff9df282327e18 # [ 53.2[ 58.908293] Code: 53 48 c7 c3 04 b5 56 94 49 89 dc 48 89 da 49 81 ec 90 e6 ed 93 4c 89 e6 e8 89 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 e6 ed 93 a4 48 c7 c7 e8 98 ec 94 e8 6e 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 58.935495] RSP: 0018:ffff9df2828dfe50 EFLAGS: 00010246 [ 58.941330] RAX: 000000000000003c RBX: ffffffff9456b504 RCX: 000000000068ce74 [ 58.949302] RDX: 0000000000000000 RSI: ffffffff93ede690 RDI: ffffffff9456b504 [ 58.957271] RBP: ffffffff94ec8af2 R08: 0000000000000000 R09: 0000000000000000 [ 58.965258] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068ce74 [ 58.973229] R13: ffff9df2828dff10 R14: ffff9df2828dff10 R15: ffff9957c5724000 [ 58.981206] FS: 00007f94ea97b580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 58.990253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.996670] CR2: ffffffff9456b504 CR3: 0000000103e60005 CR4: 00000000003706e0 [ 59.004641] Call Trace: [ 59.007372] direct_entry.cold+0x2c/0x38 [ 59.011751] full_proxy_write+0x53/0x80 [ 59.016034] vfs_write+0xe7/0x3a0 [ 59.019733] ksys_write+0x68/0xf0 [ 59.023433] do_syscall_64+0x30/0x40 [ 59.027422] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.033054] RIP: 0033:0x7f94ea8a3f33 [ 59.037042] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.058029] RSP: 002b:00007ffe69500ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.066486] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f94ea8a3f33 [ 59.074456] RDX: 000000000000000b RSI: 00007f94ea794000 RDI: 0000000000000001 [ 59.082428] RBP: 00007f94ea794000 R08: 00007f94ea793010 R09: 0000000000000000 [ 59.090399] R10: 00007f94ea99e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.098369] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.106343] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 46583] ---[ end trace 4ca682eed2089968 ]--- # [ 53.251728] RI[ 59.132805] CR2: ffffffff9456b504 [ 59.142717] ---[ end trace 4ca682eed2089972 ]--- [ 59.147872] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.152254] Code: 89 ff e8 6e bb 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 50 f2 73 02 [ 59.173255] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 [ 59.179089] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.187061] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 [ 59.195030] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 [ 59.203000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.210971] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 [ 59.218942] FS: 00007f94ea97b580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 59.227982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.234399] CR2: ffffffff9456b504 CR3: 0000000103e60005 CR4: 00000000003706e0 P: 0010:lkdtm_BUG+0x5/0x10 # [ 53.256106] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 53.277094] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 53.282927] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.290899] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 53.298869] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 53.306838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.314808] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 53.322780] FS: 00007fbd86470580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 53.331819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.338236] CR2: ffff9df282327e18 CR3: 000000010311c001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 53.448434] lkdtm: Performing direct entry EXEC_KMALLOC # [ 53.457791] lkdtm: attempting ok execution at ffffffff93ede690 # [ 53.470551] lkdtm: attempting bad execution at ffff9957c3ef2ac0 # [ 53.483388] kernel tried to execute NX-p[ 59.371193] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW rotected page - exploit attempt? (uid: 0) # [ 53.497946] BUG:[ 59.379629] lkdtm: attempting good refcount_inc() without overflow unable to handle page fault for address: ffff9957c3ef2ac0 # [ [ 59.392757] lkdtm: attempting bad refcount_inc() overflow [ 59.405000] ------------[ cut here ]------------ 53.505624] #PF: supervisor instruction fetch in kernel mode #[ 59.410156] refcount_t: saturated; leaking memory. [ 53.511941] #PF: error_code(0x0011) - permissions violation[ 59.421745] WARNING: CPU: 1 PID: 2058 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.518163] PGD 14fe01067 P4D 14fe01067 PUD 10084e063 PMD [ 59.437359] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 103e1a063 PTE 8000000103ef2063 # [ 53.527209] Oops: 0011 [#7][ 59.469999] CPU: 1 PID: 2058 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 59.484864] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 SMP PTI # [ 53.531103] CPU: 0 PID: 1704 Comm: cat Tainted: G[ 59.491673] RIP: 0010:refcount_warn_saturate+0x51/0x110 D W 5.10.138-cip15 #1 # [ 53.539752] Hardware n[ 59.503720] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.546556] RI[ 59.530918] RSP: 0018:ffff9df282927e48 EFLAGS: 00010286 [ 59.542972] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 P: 0010:0xffff9957c3ef2ac0 # [ 53.550931] Code: 00 00 02 00 0[ 59.550949] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 [ 59.565134] RBP: ffffffff94ec8afd R08: 0000000000000000 R09: 0000000000000000 0 00 00 00 00 00 80 25 ef c3 57 99 ff ff 04 00 00 00 00 00 00 00[ 59.573111] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 59.587293] R13: ffff9df282927f10 R14: ffff9df282927f10 R15: ffff9957c311c000 00 00 00 00 00 00 00 00 0b 24 70 93 ff ff ff ff <0f> 1f 44 00 0[ 59.595266] FS: 00007fdd6d715580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 [ 59.610518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.5[ 59.616939] CR2: 00007fdd6d52e000 CR3: 0000000104c30002 CR4: 00000000003706e0 [ 59.631125] Call Trace: 71914] RSP: 0018:ffff9df2823d7e38 EFLAGS: 00010246 # [ 53.577[ 59.633859] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 739] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000[ 59.645423] direct_entry.cold+0x2c/0x38 [ 59.656047] full_proxy_write+0x53/0x80 000000 # [ 53.585708] RDX: 0000000000000000 RSI: ffff99583ac1[ 59.660347] vfs_write+0xe7/0x3a0 [ 59.670263] ksys_write+0x68/0xf0 [ 59.673975] do_syscall_64+0x30/0x40 [ 59.677979] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.683630] RIP: 0033:0x7fdd6d63df33 [ 59.687625] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.708619] RSP: 002b:00007ffdabd59558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.717088] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd6d63df33 bf70 RDI: ffff99583ac1bf70 # [ 53.593678] RBP: ffff9957c3ef2a[ 59.725068] RDX: 0000000000000016 RSI: 00007fdd6d52e000 RDI: 0000000000000001 c0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.601646][ 59.739253] RBP: 00007fdd6d52e000 R08: 00007fdd6d52d010 R09: 0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 59.753441] R10: 00007fdd6d7381c0 R11: 0000000000000246 R12: 0000000000000001 0d # [ 53.609616] R13: ffff9df2823d7f10 R14: ffff9df2823d7f10[ 59.767637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R15: ffff9957c4017000 # [ 53.617583] FS: 00007f725a20f580(0[ 59.781827] irq event stamp: 0 000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 53.[ 59.791440] hardirqs last enabled at (0): [<0000000000000000>] 0x0 626620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 59.804657] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 53.633034] CR2: ffff9957c3ef2ac0 CR3: 0000000103bda005 CR4: 000[ 59.820007] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 00000003706f0 # [ 53.641002] Call Trace: # [ 53.643728] ?[ 59.835363] softirqs last disabled at (0): [<0000000000000000>] 0x0 execute_location+0x45/0x56 # [ 53.648210] ? lkdtm_EXEC_KMAL[ 59.848580] ---[ end trace 4ca682eed2089973 ]--- LOC+0x2c/0x40 # [ 53.652883] ? direct_entry.cold+0x2c/0x38 [ 59.859952] lkdtm: Overflow detected: saturated # [ 53.657456] ? full_proxy_write+0x53/0x80 # [ 53.661937] ? vfs_write+0xe7/0x3a0 # [ 53.665830] ? ksys_write+0x68/0xf0 # [ 53.669724] ? do_syscall_64+0x30/0x40 # [ 53.673906] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.679742] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.706202] CR2: ffff9957c3ef2ac0 # [ 53.709900] ---[ end trace 4ca682eed2089969 ]--- # [ 53.715054] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.719431] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 53.740412] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 53.746248] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.754226] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 53.762209] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 53.770179] R10: 0000000[ 59.986217] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.[ 59.996025] lkdtm: attempting good refcount_add() without overflow 778170] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff995[ 60.009150] lkdtm: attempting bad refcount_add() overflow 7c39f5000 # [ 53.786140] FS: 00007f725a20f580(0000) GS:ffff9[ 60.021396] ------------[ cut here ]------------ 9583ac00000(0000) knlGS:0000000000000000 # [ 53.795175] CS: [ 60.032772] refcount_t: saturated; leaking memory. 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.801589] C[ 60.044370] WARNING: CPU: 1 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 R2: ffff9957c3ef2ac0 CR3: 0000000103bda005 CR4: 00000000003706f0[ 60.059987] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.809559] BUG: sleeping function called from invalid co[ 60.092652] CPU: 1 PID: 2090 Comm: cat Tainted: G D W 5.10.138-cip15 #1 ntext at include/linux/percpu-rwsem.h:49 # [ 53.819461] in_at[ 60.107498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 omic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1704, name: ca[ 60.120519] RIP: 0010:refcount_warn_saturate+0x51/0x110 t # [ 53.827913] INFO: lockdep is turned off. # [ 53.83228[ 60.132569] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 8] irq event stamp: 0 # [ 53.835692] hardirqs last enabled a[ 60.159768] RSP: 0018:ffff9df2829cfe48 EFLAGS: 00010286 t (0): [<0000000000000000>] 0x0 # [ 53.842690] hardirqs last [ 60.171819] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 disabled at (0): [] copy_process+0x640/0x1c80[ 60.186007] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 # [ 53.851824] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.860948] softirqs last [ 60.214404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 disabled at (0): [<0000000000000000>] 0x0 # [ 53.867947] CPU:[ 60.228588] R13: ffff9df2829cff10 R14: ffff9df2829cff10 R15: ffff9957c4f4a000 0 PID: 1704 Comm: cat Tainted: G D W 5.10.138-cip1[ 60.242776] FS: 00007f1a30451580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 5 #1 # [ 53.876594] Hardware name: Google Rammus/Rammus, BIOS[ 60.258029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09/04/2020 # [ 53.883397] Call Trace: # [ 53.886124] du[ 60.270662] CR2: 00007f1a3026a000 CR3: 00000001055b0002 CR4: 00000000003706e0 mp_stack+0x77/0x9b # [ 53.889813] ___might_sleep.cold+0xa6/0[ 60.284847] Call Trace: xb6 # [ 53.894375] exit_signals+0x1c/0x2e0 # [ 53.898363][ 60.293800] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 do_exit+0xd5/0xb00 # [ 53.901856] ? ksys_write+0x68/0xf0 [ 60.305367] direct_entry.cold+0x2c/0x38 # [ 53.905750] rewind_stack_do_exit+0x17/0x20 # [ 53.91041[ 60.315961] full_proxy_write+0x53/0x80 7] RIP: 0033:0x7f725a137f33 # [ 53.914404] Code: 8b 15 61 ef [ 60.326458] vfs_write+0xe7/0x3a0 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 60.336373] ksys_write+0x68/0xf0 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 60.346289] do_syscall_64+0x30/0x40 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.[ 60.356494] entry_SYSCALL_64_after_hwframe+0x61/0xc6 935386] RSP: 002b:00007fffd5b1bba8 EFLAGS: 00000246 ORIG_RAX: 00[ 60.368351] RIP: 0033:0x7f1a30379f33 00000000000001 # [ 53.943832] RAX: ffffffffffffffda RBX: 0000[ 60.378555] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000000d RCX: 00007f725a137f33 # [ 53.951800] RDX: 000000[ 60.405753] RSP: 002b:00007ffc5231b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000d RSI: 00007f725a028000 RDI: 0000000000000001 # [ 53[ 60.420427] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1a30379f33 .959769] RBP: 00007f725a028000 R08: 00007f725a027010 R09: 000000[ 60.434617] RDX: 0000000000000016 RSI: 00007f1a3026a000 RDI: 0000000000000001 0000000000 # [ 53.967737] R10: 00007f725a2321c0 R11: 00000000[ 60.448804] RBP: 00007f1a3026a000 R08: 00007f1a30269010 R09: 0000000000000000 00000246 R12: 0000000000000001 # [ 53.975707] R13: 0000000000[ 60.462995] R10: 00007f1a304741c0 R11: 0000000000000246 R12: 0000000000000001 000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALL[ 60.477212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 OC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.[ 60.491400] irq event stamp: 0 sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.1748[ 60.501020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 27] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.182253[ 60.514241] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ] lkdtm: attempting ok execution at ffffffff93ede690 # [ 54.1[ 60.529595] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 94993] lkdtm: attempting bad execution at ffff9df280673000 # [ [ 60.544949] softirqs last disabled at (0): [<0000000000000000>] 0x0 54.207830] kernel tried to execute NX-protected page - exploit[ 60.558166] ---[ end trace 4ca682eed2089974 ]--- attempt? (uid: 0) # [ 54.222358] BUG: unable to handle page [ 60.569541] lkdtm: Overflow detected: saturated fault for address: ffff9df280673000 # [ 54.230035] #PF: supervisor instruction fetch in kernel mode # [ 54.236352] #PF: error_code(0x0011) - permissions violation # [ 54.242574] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105651067 PTE 800000010298b063 # [ 54.251622] Oops: 0011 [#8] SMP PTI # [ 54.255512] CPU: 0 PID: 1740 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 54.264160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.270966] RIP: 0010:0xffff9df280673000 # [ 54.275343] Code: Unable to access opcode bytes at RIP 0xffff9df280672fd6. # [ 54.283019] RSP: 0018:ffff9df282477e38 EFLAGS: 00010246 # [ 54.288852] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.296819] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 54.304787] RBP: ffff9df280673000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.312755] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.320723] R13: ffff9d[ 60.677986] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW f282477f10 R14: ffff9df282477f10 R15: ffff9957c298b000 # [ 54[ 60.687881] lkdtm: attempting bad refcount_inc_not_zero() overflow .328693] FS: 00007f4d6dfc1580(0000) GS:ffff99583ac00000(0000) k[ 60.701010] ------------[ cut here ]------------ nlGS:0000000000000000 # [ 54.337728] CS: 0010 DS: 0000 ES: 0[ 60.712368] refcount_t: saturated; leaking memory. 000 CR0: 0000000080050033 # [ 54.344142] CR2: ffff9df280672fd[ 60.723940] WARNING: CPU: 0 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 6 CR3: 00000001029d0001 CR4: 00000000003706f0 # [ 54.352111] [ 60.739540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Call Trace: # [ 54.354840] ? execute_location+0x45/0x56 # [[ 60.772225] CPU: 0 PID: 2122 Comm: cat Tainted: G D W 5.10.138-cip15 #1 54.359320] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 54.363992] [ 60.787106] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ? direct_entry.cold+0x2c/0x38 # [ 54.368565] ? full_proxy_w[ 60.800135] RIP: 0010:refcount_warn_saturate+0x97/0x110 rite+0x53/0x80 # [ 54.373048] ? vfs_write+0xe7/0x3a0 # [ [ 60.812171] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 54.376939] ? ksys_write+0x68/0xf0 # [ 54.380833] ? do_sysca[ 60.839434] RSP: 0018:ffff9df282a2fe38 EFLAGS: 00010282 ll_64+0x30/0x40 # [ 54.385021] ? entry_SYSCALL_64_after_hwfr[ 60.851475] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ame+0x61/0xc6 # [ 54.390858] Modules linked in: fuse ip_table[ 60.865696] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 60.879933] RBP: ffffffff94ec8750 R08: 0000000000000000 R09: 0000000000000000 ffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_e[ 60.894105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f c_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_therma[ 60.908326] R13: ffff9df282a2ff10 R14: ffff9df282a2ff10 R15: ffff9957c5740000 l cros_ec_dev cros_usbpd_notify # [ 54.417300] CR2: ffff9df28[ 60.922508] FS: 00007f109cb06580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 0673000 # [ 54.420987] ---[ end trace 4ca682eed208996a ]--- [ 60.937801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.426142] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.430518] [ 60.950414] CR2: 00007f109c91f000 CR3: 000000010311a001 CR4: 00000000003706f0 Code: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e[ 60.964611] Call Trace: a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00[ 60.973576] __refcount_add_not_zero.constprop.0+0x2a/0x35 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f[ 60.985909] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 2 73 02 # [ 54.451501] RSP: 0018:ffff9df2814bfe60 EFLAGS: 000[ 60.998360] direct_entry.cold+0x2c/0x38 10286 # [ 54.457334] RAX: ffffffff93ede2c0 RBX: 0000000000000[ 61.008946] full_proxy_write+0x53/0x80 001 RCX: 0000000000000000 # [ 54.465305] RDX: 000000000000000[ 61.019477] vfs_write+0xe7/0x3a0 0 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 54.473274] [ 61.029376] ksys_write+0x68/0xf0 RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 000000000000000[ 61.039321] do_syscall_64+0x30/0x40 1 # [ 54.481258] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 61.049514] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R12: 0000000000000004 # [ 54.489228] R13: ffff9df2814bff10 R1[ 61.061388] RIP: 0033:0x7f109ca2ef33 4: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 54.497210] FS: [ 61.071584] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00007f4d6dfc1580(0000) GS:ffff99583ac00000(0000) knlGS:00000000[ 61.098824] RSP: 002b:00007fff12061fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000 # [ 54.506253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 61.113481] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f109ca2ef33 000080050033 # [ 54.512670] CR2: ffff9df280672fd6 CR3: 000000[ 61.127680] RDX: 000000000000001f RSI: 00007f109c91f000 RDI: 0000000000000001 01029d0001 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trac[ 61.141855] RBP: 00007f109c91f000 R08: 00007f109c91e010 R09: 0000000000000000 e:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: l[ 61.156060] R10: 00007f109cb291c0 R11: 0000000000000246 R12: 0000000000000001 kdtm: EXEC_RODATA.sh # Killed # [ 54.650204] lkdtm: Performi[ 61.170279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ng direct entry EXEC_RODATA # [ 54.656927] lkdtm: attempting [ 61.184457] irq event stamp: 0 ok execution at ffffffff93ede690 # [ 54.663453] lkdtm: attemp[ 61.194087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ting bad execution at ffffffff94ada0e0 # [ 54.670077] kernel [ 61.207323] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 tried to execute NX-protected page - exploit attempt? (uid: 0) [ 61.222678] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.678442] BUG: unable to handle page fault for address: f[ 61.238042] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffffff94ada0e0 # [ 54.686124] #PF: supervisor instruction fe[ 61.251229] ---[ end trace 4ca682eed2089975 ]--- tch in kernel mode # [ 54.692436] #PF: error_code(0x0011) - p[ 61.262635] lkdtm: Overflow detected: saturated ermissions violation # [ 54.698659] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 800000014e0000e1 # [ 54.706439] Oops: 0011 [#9] SMP PTI # [ 54.710330] CPU: 3 PID: 1776 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 54.718981] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.725790] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 54.731528] Code: ff ff f9 ca 56 94 ff ff ff ff ba 8c ec 94 ff ff ff ff 3f b2 56 94 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 54.752515] RSP: 0018:ffff9df2824e7e48 EFLAGS: 00010246 # [ 54.758349] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 54.766320] RDX: 0000000000000000 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 54.774291] RBP: ffffffff94ada0e0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.782262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 54.790233] R13: ffff9df2824e7f10 R14: ffff9df2824e7f10 R15: ffff9957c40da000 # [ 54.798256] F[ 61.377298] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 61.387101] lkdtm: attempting bad refcount_add_not_zero() overflow [ 61.394008] ------------[ cut here ]------------ [ 61.399169] refcount_t: saturated; leaking memory. [ 61.404552] WARNING: CPU: 2 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 S: 00007f06cd681580(0000) GS:ffff99583ad80000(0000) knlGS:00000[ 61.413988] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.446627] CPU: 2 PID: 2154 Comm: cat Tainted: G D W 5.10.138-cip15 #1 00000000000 # [ 54.807294] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 61.455307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.468331] RIP: 0010:refcount_warn_saturate+0x97/0x110 000000080050033 # [ 54.813711] CR2: ffffffff94ada0e0 CR3: 000[ 61.474201] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 [ 61.501404] RSP: 0018:ffff9df282ac7e38 EFLAGS: 00010282 [ 61.507273] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.515265] RDX: ffff99583ad2c660 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 [ 61.523256] RBP: ffffffff94ec8770 R08: 0000000000000000 R09: 0000000000000000 [ 61.531267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.539263] R13: ffff9df282ac7f10 R14: ffff9df282ac7f10 R15: ffff9957c13f1000 [ 61.547236] FS: 00007f41a17fa580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 61.556294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.562713] CR2: 00007f41a1613000 CR3: 00000001040f6006 CR4: 00000000003706e0 [ 61.570684] Call Trace: [ 61.573416] __refcount_add_not_zero.constprop.0+0x2a/0x35 00001054cc005 CR4: 00000000003706e0 # [ 54.821681] Call Trace[ 61.579570] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.592002] direct_entry.cold+0x2c/0x38 [ 61.596384] full_proxy_write+0x53/0x80 [ 61.600699] vfs_write+0xe7/0x3a0 [ 61.604433] ksys_write+0x68/0xf0 [ 61.608161] do_syscall_64+0x30/0x40 [ 61.612201] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : # [ 54.824409] ? execute_location+0x45/0x56 # [ 54.8288[ 61.617852] RIP: 0033:0x7f41a1722f33 [ 61.628052] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.649035] RSP: 002b:00007ffe0ce0d318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.657493] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f41a1722f33 [ 61.665465] RDX: 000000000000001f RSI: 00007f41a1613000 RDI: 0000000000000001 [ 61.673437] RBP: 00007f41a1613000 R08: 00007f41a1612010 R09: 0000000000000000 [ 61.681411] R10: 00007f41a181d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.689383] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.697361] irq event stamp: 0 [ 61.700798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.707799] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.716962] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.726102] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.733103] ---[ end trace 4ca682eed2089976 ]--- 83] ? direct_entry.cold+0x2c/0x38 # [ 54.833456] ? full_pro[ 61.738263] lkdtm: Overflow detected: saturated xy_write+0x53/0x80 # [ 54.837933] ? vfs_write+0xe7/0x3a0 # [ 54.841826] ? ksys_write+0x68/0xf0 # [ 54.845721] ? do_syscall_64+0x30/0x40 # [ 54.849903] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.855742] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.882199] CR2: ffffffff94ada0e0 # [ 54.892113] ---[ end trace 4ca682eed208996b ]--- # [ 54.897267] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.901635] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 54.922621] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 54.928456] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.936426] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 54.944395] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 54.952367] R10: 00000000ffffe000 R11: 3ffffffffffff[ 61.866856] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO fff R12: 0000000000000004 # [ 54.960337] R13: ffff9df2814bff1[ 61.873967] lkdtm: attempting good refcount_dec() 0 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 54.968308] [ 61.885467] lkdtm: attempting bad refcount_dec() to zero FS: 00007f06cd681580(0000) GS:ffff99583ad80000(0000) knlGS:0000[ 61.897612] ------------[ cut here ]------------ 000000000000 # [ 54.977346] CS: 0010 DS: 0000 ES: 0000 CR0: [ 61.908983] refcount_t: decrement hit 0; leaking memory. 0000000080050033 # [ 54.983762] CR2: ffffffff94ada0e0 CR3: 00[ 61.921141] WARNING: CPU: 0 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 000001054cc005 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call t[ 61.936770] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify race:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests:[ 61.969408] CPU: 0 PID: 2186 Comm: cat Tainted: G D W 5.10.138-cip15 #1 lkdtm: EXEC_USERSPACE.sh # Killed # [ 55.089650] lkdtm: Per[ 61.984312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 forming direct entry EXEC_USERSPACE # [ 55.097286] lkdtm: att[ 61.997320] RIP: 0010:refcount_warn_saturate+0xfb/0x110 empting ok execution at ffffffff93ede690 # [ 55.103826] lkdtm[ 62.009391] Code: f0 46 e6 94 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 94 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b : attempting bad execution at 00007fb8bf28e000 # [ 55.116663][ 62.036580] RSP: 0018:ffff9df282b3fe48 EFLAGS: 00010286 unable to execute userspace code (SMEP?) (uid: 0) # [ 55.123[ 62.048630] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 088] BUG: unable to handle page fault for address: 00007fb8bf28e[ 62.062802] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 000 # [ 55.136982] #PF: supervisor instruction fetch in kerne[ 62.076990] RBP: ffffffff94ec8b29 R08: 0000000000000000 R09: 0000000000000000 l mode # [ 55.143300] #PF: error_code(0x0011) - permissions v[ 62.091177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 iolation # [ 55.149522] PGD 8000000103c60067 P4D 8000000103c6[ 62.105377] R13: ffff9df282b3ff10 R14: ffff9df282b3ff10 R15: ffff9957c311b000 0067 PUD 10397b067 PMD 104da5067 PTE 113c43067 # [ 55.159245][ 62.119553] FS: 00007f842d017580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 Oops: 0011 [#10] SMP PTI # [ 55.163249] CPU: 2 PID: 1812 Com[ 62.134820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 m: cat Tainted: G D W 5.10.138-cip15 #1 # [ 55.1[ 62.147455] CR2: 00007f842ce30000 CR3: 0000000104d9e006 CR4: 00000000003706f0 71932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.161650] Call Trace: [ 55.178739] RIP: 0010:0x7fb8bf28e000 # [ 55.182726] Code: [ 62.170610] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd Unable to access opcode bytes at RIP 0x7fb8bf28dfd6. # [ 55.1[ 62.181787] direct_entry.cold+0x2c/0x38 90019] RSP: 0018:ffff9df28258fe50 EFLAGS: 00010246 # [ 55.195[ 62.192370] full_proxy_write+0x53/0x80 853] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000[ 62.202871] vfs_write+0xe7/0x3a0 000000 # [ 55.203824] RDX: 0000000000000000 RSI: ffff99583ad1[ 62.212777] ksys_write+0x68/0xf0 bf70 RDI: ffff99583ad1bf70 # [ 55.211794] RBP: 00007fb8bf28e0[ 62.222712] do_syscall_64+0x30/0x40 00 R08: 0000000000000000 R09: 0000000000000000 # [ 55.219764][ 62.232898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 62.244760] RIP: 0033:0x7f842cf3ff33 0f # [ 55.227735] R13: ffff9df28258ff10 R14: ffff9df28258ff10[ 62.254985] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R15: ffff9957c31be000 # [ 55.235706] FS: 00007fb8bf25f580(0[ 62.282216] RSP: 002b:00007fff3fc70748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 55.[ 62.296866] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f842cf3ff33 244744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 62.311119] RDX: 0000000000000012 RSI: 00007f842ce30000 RDI: 0000000000000001 55.251163] CR2: 00007fb8bf28e000 CR3: 0000000104e64003 CR4: 000[ 62.325311] RBP: 00007f842ce30000 R08: 00007f842ce2f010 R09: 0000000000000000 00000003706e0 # [ 55.259126] Call Trace: # [ 55.261854] ?[ 62.339523] R10: 00007f842d03a1c0 R11: 0000000000000246 R12: 0000000000000001 lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 55.267212] ? direct[ 62.353711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _entry.cold+0x2c/0x38 # [ 55.271787] ? full_proxy_write+0x53[ 62.367928] irq event stamp: 0 /0x80 # [ 55.276263] ? vfs_write+0xe7/0x3a0 # [ 55.280156[ 62.377585] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] ? ksys_write+0x68/0xf0 # [ 55.284050] ? do_syscall_64+0x3[ 62.390863] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0/0x40 # [ 55.288233] ? entry_SYSCALL_64_after_hwframe+0x61/[ 62.406199] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0xc6 # [ 55.294071] Modules linked in: fuse ip_tables cros_ec[ 62.421614] softirqs last disabled at (0): [<0000000000000000>] 0x0 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif[ 62.434836] ---[ end trace 4ca682eed2089977 ]--- o_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev[ 62.446241] lkdtm: Zero detected: saturated cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.320534] CR2: 00007fb8bf28e000 # [ 55.330447] ---[ end trace 4ca682eed208996c ]--- # [ 55.335593] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.339970] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 55.360959] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 55.366792] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.374763] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 55.382733] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.390705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.398676] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 55.406648] FS: 00007fb8bf25f580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 55.415688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.422095] CR2: 00007fb8bf28e000 CR3: 0000000104e64003 CR4: 00000000003706e0 # [ 55.430066] BUG: sleeping function[ 62.572384] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 62.581888] lkdtm: attempting bad refcount_dec() below zero [ 62.588116] ------------[ cut here ]------------ [ 62.593274] refcount_t: decrement hit 0; leaking memory. called from invalid context at include/linux/percpu-rwsem.h:49[ 62.599223] WARNING: CPU: 2 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 62.614858] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.439973] in_atomic(): 0, irqs_disabled(): 1, non_block:[ 62.641322] CPU: 2 PID: 2221 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 62.656198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0, pid: 1812, name: cat # [ 55.448420] INFO: lockdep is turn[ 62.663016] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 62.675062] Code: f0 46 e6 94 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 94 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 62.696046] RSP: 0018:ffff9df282bffe48 EFLAGS: 00010286 [ 62.701882] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 62.709854] RDX: ffff99583ad2c660 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 [ 62.717826] RBP: ffffffff94ec8b3b R08: 0000000000000000 R09: 0000000000000000 ed off. # [ 55.452797] irq event stamp: 0 # [ 55.456209] h[ 62.725801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55[ 62.739994] R13: ffff9df282bfff10 R14: ffff9df282bfff10 R15: ffff9957c4012000 [ 62.754205] FS: 00007f4fe205a580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 .463210] hardirqs last disabled at (0): [] cop[ 62.763255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.775884] CR2: 00007f4fe1e73000 CR3: 0000000104d86006 CR4: 00000000003706e0 [ 62.783859] Call Trace: [ 62.786636] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 y_process+0x640/0x1c80 # [ 55.472347] softirqs last enabled [ 62.792001] direct_entry.cold+0x2c/0x38 [ 62.802588] full_proxy_write+0x53/0x80 [ 62.806904] vfs_write+0xe7/0x3a0 [ 62.810636] ksys_write+0x68/0xf0 [ 62.814362] do_syscall_64+0x30/0x40 [ 62.818378] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.824020] RIP: 0033:0x7f4fe1f82f33 [ 62.828012] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.848999] RSP: 002b:00007fffcca72508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.857461] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4fe1f82f33 [ 62.865437] RDX: 0000000000000016 RSI: 00007f4fe1e73000 RDI: 0000000000000001 [ 62.873410] RBP: 00007f4fe1e73000 R08: 00007f4fe1e72010 R09: 0000000000000000 [ 62.881382] R10: 00007f4fe207d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.889356] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.897336] irq event stamp: 0 at (0): [] copy_process+0x640/0x1c80 # [ 55[ 62.900769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.913985] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.923125] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.932264] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.939266] ---[ end trace 4ca682eed2089978 ]--- [ 62.944423] lkdtm: Negative detected: saturated .481483] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.488483] CPU: 2 PID: 1812 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 55.497133] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.503939] Call Trace: # [ 55.506667] dump_stack+0x77/0x9b # [ 55.510365] ___might_sleep.cold+0xa6/0xb6 # [ 55.514930] exit_signals+0x1c/0x2e0 # [ 55.518918] do_exit+0xd5/0xb00 # [ 55.522421] ? ksys_write+0x68/0xf0 # [ 55.526306] rewind_stack_do_exit+0x17/0x20 # [ 55.530974] RIP: 0033:0x7fb8bf187f33 # [ 55.534963] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.555950] RSP: 002b:00007ffffaff8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.564407] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fb8bf187f33 # [ 55.572377] RDX: 000000000000000f RSI: 00007fb8bf078000 RDI: 0000000000000001 # [ 55.580348] RBP: 00007fb8bf078000 R08: 00007fb8bf077010 R09: 0000000000000000 # [ 55.588318] R10: 00007fb[ 63.059709] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 63.069009] lkdtm: attempting bad refcount_dec_and_test() below zero [ 63.076165] ------------[ cut here ]------------ 8bf2821c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.[ 63.081333] refcount_t: underflow; use-after-free. 596289] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000[ 63.092909] WARNING: CPU: 2 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selfte[ 63.108544] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.141214] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.138-cip15 #1 sts: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh[ 63.149875] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.162922] RIP: 0010:refcount_warn_saturate+0xba/0x110 # Killed # [ 55.792794] lkdtm: Performing direct entry EXEC_[ 63.168771] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 [ 63.195967] RSP: 0018:ffff9df282c47e40 EFLAGS: 00010286 [ 63.201804] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 63.209779] RDX: ffff99583ad2c660 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 [ 63.217754] RBP: ffffffff94ec8790 R08: 0000000000000000 R09: 0000000000000000 [ 63.225728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.233701] R13: ffff9df282c47f10 R14: ffff9df282c47f10 R15: ffff9957c3ed9000 [ 63.241678] FS: 00007f3bda293580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 [ 63.250720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.257140] CR2: 00007f3bda0ac000 CR3: 0000000103142003 CR4: 00000000003706e0 [ 63.265113] Call Trace: [ 63.267845] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 63.274006] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 63.280261] direct_entry.cold+0x2c/0x38 [ 63.284675] full_proxy_write+0x53/0x80 [ 63.288992] vfs_write+0xe7/0x3a0 [ 63.292723] ksys_write+0x68/0xf0 [ 63.296450] do_syscall_64+0x30/0x40 [ 63.300473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.306140] RIP: 0033:0x7f3bda1bbf33 [ 63.310157] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.331146] RSP: 002b:00007ffe33855968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.339630] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3bda1bbf33 [ 63.347606] RDX: 000000000000001f RSI: 00007f3bda0ac000 RDI: 0000000000000001 [ 63.355581] RBP: 00007f3bda0ac000 R08: 00007f3bda0ab010 R09: 0000000000000000 [ 63.363553] R10: 00007f3bda2b61c0 R11: 0000000000000246 R12: 0000000000000001 NULL # [ 55.802531] lkdtm: attempting ok execution at fffffff[ 63.371529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f93ede690 # [ 55.815301] lkdtm: attempting bad execution at 0[ 63.385727] irq event stamp: 0 [ 63.395349] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.402355] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.411497] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.420636] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.427640] ---[ end trace 4ca682eed2089979 ]--- [ 63.432797] lkdtm: Negative detected: saturated 000000000000000 # [ 55.828096] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 55.835895] #PF: supervisor instruction fetch in kernel mode # [ 55.842217] #PF: error_code(0x0010) - not-present page # [ 55.847945] PGD 0 P4D 0 # [ 55.850770] Oops: 0010 [#11] SMP PTI # [ 55.854760] CPU: 0 PID: 1848 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 55.863403] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.870211] RIP: 0010:0x0 # [ 55.873131] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 55.880802] RSP: 0018:ffff9df282617e48 EFLAGS: 00010246 # [ 55.886636] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.894606] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 55.902577] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.910548] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 55.918519] R13: ffff9df282617f10 R14: ffff9df282617f10 R15: ffff9957c5568000 # [ 55.926490] FS: 00007fc1ff0de580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 55.935529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.941946] CR2: ffffffffffffffd6 CR3: 00000001039c4002 CR4: 00000000003706f0 # [ 55.949916] Call Trace: # [ 55[ 63.565013] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE .952645] execute_location+0x45/0x56 # [ 55.956933] direct_e[ 63.576229] lkdtm: attempting bad refcount_sub_and_test() below zero ntry.cold+0x2c/0x38 # [ 55.961318] full_proxy_write+0x53/0x8[ 63.589574] ------------[ cut here ]------------ 0 # [ 55.965607] vfs_write+0xe7/0x3a0 # [ 55.969310] ksy[ 63.600945] refcount_t: underflow; use-after-free. s_write+0x68/0xf0 # [ 55.973012] do_syscall_64+0x30/0x40 # [ 63.612526] WARNING: CPU: 0 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 55.977008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 63.628156] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 55.982649] RIP: 0033:0x7fc1ff006f33 # [ 55.986637] Code: 8b 1[ 63.660800] CPU: 0 PID: 2291 Comm: cat Tainted: G D W 5.10.138-cip15 #1 5 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 63.675688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 63.688755] RIP: 0010:refcount_warn_saturate+0xba/0x110 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 63.700781] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 [ 56.007625] RSP: 002b:00007ffd4c0663c8 EFLAGS: 00000246 ORIG[ 63.728052] RSP: 0018:ffff9df282cb7e40 EFLAGS: 00010286 _RAX: 0000000000000001 # [ 56.016084] RAX: ffffffffffffffda R[ 63.740070] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 BX: 000000000000000a RCX: 00007fc1ff006f33 # [ 56.024047] RDX[ 63.754276] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 : 000000000000000a RSI: 00007fc1feef7000 RDI: 0000000000000001 [ 63.768465] RBP: ffffffff94ec87b0 R08: 0000000000000000 R09: 0000000000000000 # [ 56.032019] RBP: 00007fc1feef7000 R08: 00007fc1feef6010 R09[ 63.782652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f : 0000000000000000 # [ 56.039990] R10: 00007fc1ff1011c0 R11: [ 63.796858] R13: ffff9df282cb7f10 R14: ffff9df282cb7f10 R15: ffff9957c3ce7000 0000000000000246 R12: 0000000000000001 # [ 56.047962] R13: 00[ 63.811021] FS: 00007f4d994eb580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 63.826342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 56.055938] Modules linked in: fuse ip_tables cros_ec_sensors c[ 63.838951] CR2: 00007f4d99304000 CR3: 000000010311a003 CR4: 00000000003706f0 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 63.853130] Call Trace: strialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_l[ 63.862103] __refcount_sub_and_test.constprop.0+0x3c/0x50 ightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_[ 63.874440] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b usbpd_notify # [ 56.082384] CR2: 0000000000000000 # [ 56.0[ 63.886849] direct_entry.cold+0x2c/0x38 86074] ---[ end trace 4ca682eed208996d ]--- # [ 56.091222] RI[ 63.897433] full_proxy_write+0x53/0x80 P: 0010:lkdtm_BUG+0x5/0x10 # [ 56.095601] Code: 89 ff e8 6e b[ 63.907928] vfs_write+0xe7/0x3a0 b a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc[ 63.917838] ksys_write+0x68/0xf0 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 63.927772] do_syscall_64+0x30/0x40 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 56.1[ 63.937988] entry_SYSCALL_64_after_hwframe+0x61/0xc6 16588] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 56.122[ 63.949847] RIP: 0033:0x7f4d99413f33 422] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000[ 63.960034] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000 # [ 56.130393] RDX: 0000000000000000 RSI: ffff99583ac1[ 63.987223] RSP: 002b:00007ffc2d9f91d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 bf70 RDI: ffffffff94ad9c50 # [ 56.138365] RBP: ffffffff94f23d[ 64.001905] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d99413f33 d8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.146337][ 64.016084] RDX: 000000000000001f RSI: 00007f4d99304000 RDI: 0000000000000001 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 64.030273] RBP: 00007f4d99304000 R08: 00007f4d99303010 R09: 0000000000000000 04 # [ 56.154300] R13: ffff9df2814bff10 R14: ffff9df2814bff10[ 64.044455] R10: 00007f4d9950e1c0 R11: 0000000000000246 R12: 0000000000000001 R15: ffff9957c39f5000 # [ 56.162262] FS: 00007fc1ff0de580(0[ 64.058646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 56.[ 64.072858] irq event stamp: 0 171300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.082445] hardirqs last enabled at (0): [<0000000000000000>] 0x0 56.177715] CR2: ffffffffffffffd6 CR3: 00000001039c4002 CR4: 000[ 64.095706] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00000003706f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftes[ 64.111042] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ts: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh[ 64.126409] softirqs last disabled at (0): [<0000000000000000>] 0x0 # Killed # [ 56.307907] lkdtm: Performing direct entry ACCE[ 64.139613] ---[ end trace 4ca682eed208997a ]--- SS_USERSPACE # [ 56.316236] lkdtm: attempting bad read at 000[ 64.151018] lkdtm: Negative detected: saturated 07f5ad3cae000 # [ 56.328579] BUG: unable to handle page fault for address: 00007f5ad3cae000 # [ 56.342468] #PF: supervisor read access in kernel mode # [ 56.348219] #PF: error_code(0x0001) - permissions violation # [ 56.354450] PGD 80000001039d4067 P4D 80000001039d4067 PUD 103bd8067 PMD 104083067 PTE 10da4b067 # [ 56.370385] Oops: 0001 [#12] SMP PTI # [ 56.374367] CPU: 1 PID: 1883 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 56.383020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.389820] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 56.396045] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 99 ec 94 e8 08 9a fd ff 48 c7 c7 00 9a ec 94 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ef 99 fd ff 48 89 ee 48 c7 c7 28 9a ec # [ 56.423256] RSP: 0018:ffff9df28269fe48 EFLAGS: 00010246 # [ 56.429091] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 56.437063] RDX: 0000000000000000 RSI: ffff99583ac9bf70 RDI: ffffffff94ec9a00 # [ 56.445034] RBP: 00007f5ad3cae000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.453005] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 56.460975] R13: ffff9df28269ff10 R14: ffff9df28269ff10 R15: ffff9957c3121000 # [ 56.468946] FS: 00007f5ad3c7f580(0000) GS[ 64.287431] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 64.299154] lkdtm: attempting safe refcount_inc_not_zero() from zero :ffff99583ac80000(0000) knlGS:0000000000000000 # [ 56.477984][ 64.306267] lkdtm: Good: zero detected CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.484[ 64.316663] lkdtm: Correctly stayed at zero 401] CR2: 00007f5ad3cae000 CR3: 0000000104000003 CR4: 0000000000[ 64.327545] lkdtm: attempting bad refcount_inc() from zero 3706e0 # [ 56.492372] Call Trace: # [ 56.495101] direct_e[ 64.339889] ------------[ cut here ]------------ [ 64.351264] refcount_t: addition on 0; use-after-free. [ 64.357060] WARNING: CPU: 3 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ntry.cold+0x2c/0x38 # [ 56.499483] full_proxy_write+0x53/0x8[ 64.366498] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.399160] CPU: 3 PID: 2323 Comm: cat Tainted: G D W 5.10.138-cip15 #1 0 # [ 56.509977] vfs_write+0xe7/0x3a0 # [ 56.513677] ksy[ 64.407826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.420842] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 64.426704] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 94 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 [ 64.447692] RSP: 0018:ffff9df282d5fe48 EFLAGS: 00010286 [ 64.453531] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 64.461506] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 64.469479] RBP: ffffffff94ec8b51 R08: 0000000000000000 R09: 0000000000000000 [ 64.477453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.485426] R13: ffff9df282d5ff10 R14: ffff9df282d5ff10 R15: ffff9957c57e6000 [ 64.493398] FS: 00007f1f64556580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 64.502439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.508860] CR2: 00007f1f6436f000 CR3: 0000000103bd0001 CR4: 00000000003706e0 [ 64.516832] Call Trace: [ 64.519565] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 64.524559] direct_entry.cold+0x2c/0x38 [ 64.528966] full_proxy_write+0x53/0x80 [ 64.533282] vfs_write+0xe7/0x3a0 [ 64.537015] ksys_write+0x68/0xf0 [ 64.540740] do_syscall_64+0x30/0x40 [ 64.544755] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.550397] RIP: 0033:0x7f1f6447ef33 [ 64.554389] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.575378] RSP: 002b:00007ffe36099498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.583840] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1f6447ef33 [ 64.591813] RDX: 0000000000000012 RSI: 00007f1f6436f000 RDI: 0000000000000001 s_write+0x68/0xf0 # [ 56.523590] do_syscall_64+0x30/0x40 # [ 64.599788] RBP: 00007f1f6436f000 R08: 00007f1f6436e010 R09: 0000000000000000 [ 56.527582] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 64.613979] R10: 00007f1f645791c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.628171] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.636168] irq event stamp: 0 [ 64.639607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.646610] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.655748] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.664887] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.671887] ---[ end trace 4ca682eed208997b ]--- [ 64.677044] lkdtm: Zero detected: saturated 56.539436] RIP: 0033:0x7f5ad3ba7f33 # [ 56.543416] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.564393] RSP: 002b:00007ffe8a2dbf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.572850] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5ad3ba7f33 # [ 56.580823] RDX: 0000000000000011 RSI: 00007f5ad3a98000 RDI: 0000000000000001 # [ 56.588794] RBP: 00007f5ad3a98000 R08: 00007f5ad3a97010 R09: 0000000000000000 # [ 56.596765] R10: 00007f5ad3ca21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.604735] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.612711] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.645355] CR2: 00007f5ad3cae000 # [ 56.649052] ---[ end trace 4ca682eed208996e ]--- # [ 56.654209] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.658589] Code: 89 ff e8 6e bb 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 1[ 64.809234] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 64.818603] lkdtm: attempting safe refcount_add_not_zero() from zero f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 73 02 # [ 56.6[ 64.825715] lkdtm: Good: zero detected [ 64.836111] lkdtm: Correctly stayed at zero [ 64.840788] lkdtm: attempting bad refcount_add() from zero [ 64.846920] ------------[ cut here ]------------ [ 64.852077] refcount_t: addition on 0; use-after-free. [ 64.857845] WARNING: CPU: 3 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 79577] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 56.685[ 64.867280] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 403] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000[ 64.899913] CPU: 3 PID: 2355 Comm: cat Tainted: G D W 5.10.138-cip15 #1 000000 # [ 56.693375] RDX: 0000000000000000 RSI: ffff99583ac1[ 64.914777] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 bf70 RDI: ffffffff94ad9c50 # [ 56.701346] RBP: ffffffff94f23d[ 64.927801] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 64.939847] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 94 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 d8 R08: 0000000000000001 R09: 0000000000000001 # [ 56.709318][ 64.960834] RSP: 0018:ffff9df282ddfe48 EFLAGS: 00010286 [ 64.972881] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 64.980852] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 64.988826] RBP: ffffffff94ec8b63 R08: 0000000000000000 R09: 0000000000000000 [ 64.996797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.004767] R13: ffff9df282ddff10 R14: ffff9df282ddff10 R15: ffff9957c5cd4000 [ 65.012741] FS: 00007fc0fc8e0580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 65.021782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 04 # [ 56.717289] R13: ffff9df2814bff10 R14: ffff9df2814bff10[ 65.034410] CR2: 00007fc0fc6f9000 CR3: 0000000104c62003 CR4: 00000000003706e0 [ 65.048597] Call Trace: R15: ffff9957c39f5000 # [ 56.725260] FS: 00007f5ad3c7f580(0[ 65.051329] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 56.[ 65.062506] direct_entry.cold+0x2c/0x38 734300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 65.073098] full_proxy_write+0x53/0x80 56.740716] CR2: 00007f5ad3cae000 CR3: 0000000104000003 CR4: 000[ 65.083595] vfs_write+0xe7/0x3a0 00000003706e0 # [ 56.748687] BUG: sleeping function called fr[ 65.093509] ksys_write+0x68/0xf0 om invalid context at include/linux/percpu-rwsem.h:49 # [ 56.[ 65.103423] do_syscall_64+0x30/0x40 [ 65.113626] entry_SYSCALL_64_after_hwframe+0x61/0xc6 758601] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 65.119271] RIP: 0033:0x7fc0fc808f33 883, name: cat # [ 56.767057] INFO: lockdep is turned off. #[ 65.129472] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.156669] RSP: 002b:00007ffebcde19b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.771434] irq event stamp: 0 # [ 56.774839] hardirqs la[ 65.165128] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc0fc808f33 st enabled at (0): [<0000000000000000>] 0x0 # [ 56.781840] h[ 65.179308] RDX: 0000000000000012 RSI: 00007fc0fc6f9000 RDI: 0000000000000001 ardirqs last disabled at (0): [] copy_process+[ 65.193492] RBP: 00007fc0fc6f9000 R08: 00007fc0fc6f8010 R09: 0000000000000000 [ 65.207677] R10: 00007fc0fc9031c0 R11: 0000000000000246 R12: 0000000000000001 0x640/0x1c80 # [ 56.790967] softirqs last enabled at (0): [<[ 65.215648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffff93700ce0>] copy_process+0x640/0x1c80 # [ 56.800105] s[ 65.229838] irq event stamp: 0 [ 65.239458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 oftirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.246461] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.261037] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.807105] CPU: 1 PID: 1883 Comm: cat Tainted: G D W [ 65.270179] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.283392] ---[ end trace 4ca682eed208997c ]--- 5.10.138-cip15 #1 # [ 56.815748] Hardware name: Googl[ 65.288548] lkdtm: Zero detected: saturated e Rammus/Rammus, BIOS 09/04/2020 # [ 56.822554] Call Trace: # [ 56.825281] dump_stack+0x77/0x9b # [ 56.828981] ___might_sleep.cold+0xa6/0xb6 # [ 56.833555] exit_signals+0x1c/0x2e0 # [ 56.837545] do_exit+0xd5/0xb00 # [ 56.841048] ? ksys_write+0x68/0xf0 # [ 56.844942] rewind_stack_do_exit+0x17/0x20 # [ 56.849611] RIP: 0033:0x7f5ad3ba7f33 # [ 56.853600] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.874579] RSP: 002b:00007ffe8a2dbf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.883037] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f5ad3ba7f33 # [ 56.891009] RDX: 0000000000000011 RSI: 00007f5ad3a98000 RDI: 0000000000000001 # [ 56.898981] RBP: 00007f5ad3a98000 R08: 00007f5ad3a97010 R09: 0000000000000000 # [ 56.906952] R10: 00007f5ad3ca21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.914922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.083565] lkdtm: Performing direct entry ACCESS_NULL # [ 57.090237] lkdtm: attempting bad read at 0000000000000000 # [ 57.102594] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.116557] #PF: supervisor read access in kernel mode # [ 57.122295] #PF: error_code(0x0000) - not-present page # [ 57.128033] PGD 0 P4D 0 # [ 57.130858] Oops: 0000 [#13] SMP PTI # [ 57.134850] CPU: 0 PID:[ 65.455787] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 1918 Comm: cat Tainted: G D W 5.10.138-cip15 #1 #[ 65.467826] lkdtm: attempting bad refcount_inc() from saturated [ 57.143500] Hardware name: Google Rammus/Rammus, BIOS 09/04[ 65.480647] ------------[ cut here ]------------ /2020 # [ 57.150309] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 #[ 65.492017] refcount_t: saturated; leaking memory. [ 57.155566] Code: ac 99 fd ff be 00 10 00 00 48 89 ef e8 5c [ 65.503614] WARNING: CPU: 0 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 99 e[ 65.519243] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c 94 e8 86 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 [ 65.551911] CPU: 0 PID: 2390 Comm: cat Tainted: G D W 5.10.138-cip15 #1 c7 c7 00 9a ec 94 48 01 # [ 57.176545] RSP: 0018:ffff9df28272[ 65.566801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7e58 EFLAGS: 00010246 # [ 57.182379] RAX: 000000000000002e RB[ 65.579833] RIP: 0010:refcount_warn_saturate+0x51/0x110 X: 0000000000000027 RCX: 0000000000000000 # [ 57.190349] RDX:[ 65.591908] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 #[ 65.619155] RSP: 0018:ffff9df282e7fe48 EFLAGS: 00010286 [ 57.198320] RBP: ffffffff94ec8ac9 R08: 0000000000000000 R09:[ 65.631205] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 0000000000000000 # [ 57.206292] R10: 00000000ffffe000 R11: 3[ 65.645433] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 fffffffffffffff R12: 000000000000000c # [ 57.214253] R13: fff[ 65.659601] RBP: ffffffff94ec8b75 R08: 0000000000000000 R09: 0000000000000000 f9df282727f10 R14: ffff9df282727f10 R15: ffff9957c29d1000 # [ [ 65.673835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 57.222226] FS: 00007fad209bd580(0000) GS:ffff99583ac00000(0000[ 65.688002] R13: ffff9df282e7ff10 R14: ffff9df282e7ff10 R15: ffff9957c31be000 ) knlGS:0000000000000000 # [ 57.231264] CS: 0010 DS: 0000 ES[ 65.702236] FS: 00007f052dc84580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 : 0000 CR0: 0000000080050033 # [ 57.237682] CR2: 000000000000[ 65.717510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000 CR3: 0000000103bb6003 CR4: 00000000003706f0 # [ 57.24565[ 65.730164] CR2: 00007f052da9d000 CR3: 0000000103e02001 CR4: 00000000003706f0 3] Call Trace: # [ 57.248382] direct_entry.cold+0x2c/0x38 #[ 65.744378] Call Trace: [ 57.252768] full_proxy_write+0x53/0x80 # [ 57.257048] v[ 65.753388] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 fs_write+0xe7/0x3a0 # [ 57.260753] ksys_write+0x68/0xf0 # [[ 65.765054] direct_entry.cold+0x2c/0x38 57.264454] do_syscall_64+0x30/0x40 # [ 57.268447] entry_[ 65.775676] full_proxy_write+0x53/0x80 SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.274079] RIP: 0033:0[ 65.786204] vfs_write+0xe7/0x3a0 x7fad208e5f33 # [ 57.278069] Code: 8b 15 61 ef 0c 00 f7 d8 64[ 65.796125] ksys_write+0x68/0xf0 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 [ 65.806046] do_syscall_64+0x30/0x40 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3[ 65.816256] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.299057] RSP: 0[ 65.828130] RIP: 0033:0x7f052dbacf33 02b:00007ffde5558e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[ 65.838327] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.307513] RAX: ffffffffffffffda RBX: 000000000000000c R[ 65.865541] RSP: 002b:00007ffca75c67c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 CX: 00007fad208e5f33 # [ 57.315484] RDX: 000000000000000c RSI[ 65.880232] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f052dbacf33 : 00007fad207d6000 RDI: 0000000000000001 # [ 57.323454] RBP: [ 65.894439] RDX: 0000000000000017 RSI: 00007f052da9d000 RDI: 0000000000000001 00007fad207d6000 R08: 00007fad207d5010 R09: 0000000000000000 # [ 65.908623] RBP: 00007f052da9d000 R08: 00007f052da9c010 R09: 0000000000000000 [ 57.331424] R10: 00007fad209e01c0 R11: 0000000000000246 R12: [ 65.922824] R10: 00007f052dca71c0 R11: 0000000000000246 R12: 0000000000000001 0000000000000001 # [ 57.339395] R13: 0000000000000001 R14: 00[ 65.937007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000020000 R15: 0000000000020000 # [ 57.347371] Modules l[ 65.951205] irq event stamp: 0 inked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core in[ 65.960792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 dustrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs[ 65.974008] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensor[ 65.989368] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 hub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57[ 66.004709] softirqs last disabled at (0): [<0000000000000000>] 0x0 .373819] CR2: 0000000000000000 # [ 57.377509] ---[ end trace [ 66.017935] ---[ end trace 4ca682eed208997d ]--- 4ca682eed208996f ]--- # [ 57.382666] RIP: 0010:lkdtm_BUG+0x5/[ 66.029295] lkdtm: Saturation detected: still saturated 0x10 # [ 57.387043] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 57.408030] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 57.413864] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.421836] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 57.429797] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.437768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.445739] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 57.453710] FS: 00007fad209bd580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 57.462741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.469159] CR2: 0000000000000000 CR3: 0000000103bb6003 CR4: 00000000003706f0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 57.580204] lkdtm: Performing direct entry WRITE_RO # [ 57.588283] lkdtm: attempting bad rodata write at ffffffff94ada0d0 # [ 57.595208] BUG: unable to handle page fault for address: ffffffff94ada0d0 # [ 57.609087] #PF: supervisor write access in kernel mode # [ 57.614922] #PF: error_code(0x0003) - permissions violation # [ 57.621144] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 800000014e0000e1 # [ 57.628923] Oops: 0003 [#14] SMP PTI # [ 57.639125] CPU: 2 PID: 1953 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 57.647768] Hardware name: Go[ 66.200351] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 66.209752] lkdtm: attempting bad refcount_dec() from saturated [ 66.216380] ------------[ cut here ]------------ [ 66.221546] refcount_t: decrement hit 0; leaking memory. [ 66.227505] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 66.236945] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.263392] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 66.272044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.278852] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 66.284688] Code: f0 46 e6 94 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 94 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 66.305672] RSP: 0018:ffff9df282f0fe48 EFLAGS: 00010286 [ 66.311507] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 66.319479] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 66.327452] RBP: ffffffff94ec8b8c R08: 0000000000000000 R09: 0000000000000000 [ 66.335424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.343396] R13: ffff9df282f0ff10 R14: ffff9df282f0ff10 R15: ffff9957c327f000 [ 66.351370] FS: 00007f132456a580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 66.360409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.366826] CR2: 00007f1324383000 CR3: 00000001054cc004 CR4: 00000000003706e0 [ 66.374798] Call Trace: [ 66.377528] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 66.383003] direct_entry.cold+0x2c/0x38 [ 66.387410] full_proxy_write+0x53/0x80 [ 66.391721] vfs_write+0xe7/0x3a0 [ 66.395451] ksys_write+0x68/0xf0 [ 66.399152] do_syscall_64+0x30/0x40 [ 66.403167] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.408811] RIP: 0033:0x7f1324492f33 [ 66.412803] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.433789] RSP: 002b:00007fff17007458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.442260] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1324492f33 [ 66.450233] RDX: 0000000000000017 RSI: 00007f1324383000 RDI: 0000000000000001 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 57.654576] RIP: 0010[ 66.458215] RBP: 00007f1324383000 R08: 00007f1324382010 R09: 0000000000000000 [ 66.472406] R10: 00007f132458d1c0 R11: 0000000000000246 R12: 0000000000000001 :lkdtm_WRITE_RO+0x2e/0x3a # [ 57.659536] Code: 00 48 c7 c7 b8[ 66.480382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 98 ec 94 48 c7 c6 d0 a0 ad 94 e8 30 9c fd ff 48 8b 05 46 eb 56 [ 66.494579] irq event stamp: 0 [ 66.504202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.511215] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 94 48 31 d0 <48> 89 05 30 eb[ 66.520361] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.535712] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.542738] ---[ end trace 4ca682eed208997e ]--- [ 66.547917] lkdtm: Saturation detected: still saturated 56 00 e9 0e 9c fd ff 0f 1f 44 00 00 48 8b 05 77 ad # [ 57.680520] RSP: 0018:ffff9df2827b7e60 EFLAGS: 00010202 # [ 57.686353] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 57.694323] RDX: 00000000abcd1234 RSI: ffff99583ad1bf70 RDI: ffffffff94ec98e8 # [ 57.702295] RBP: ffffffff94ec8ad5 R08: 0000000000000000 R09: 0000000000000000 # [ 57.710266] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 57.718249] R13: ffff9df2827b7f10 R14: ffff9df2827b7f10 R15: ffff9957c39c8000 # [ 57.726255] FS: 00007f9efee16580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 57.735294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.741711] CR2: ffffffff94ada0d0 CR3: 0000000103978005 CR4: 00000000003706e0 # [ 57.749681] Call Trace: # [ 57.752407] direct_entry.cold+0x2c/0x38 # [ 57.756790] full_proxy_write+0x53/0x80 # [ 57.761070] vfs_write+0xe7/0x3a0 # [ 57.764769] ksys_write+0x68/0xf0 # [ 57.768469] do_syscall_64+0x30/0x40 # [ 57.772459] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.778099] RIP: 0033:0x7f9efed3ef33 # [ 57.782088] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.803073] RSP: 002b:00007ffdb607a558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.811530] RAX: ffffffffffff[ 66.693860] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 66.703575] lkdtm: attempting bad refcount_dec() from saturated ffda RBX: 0000000000000009 RCX: 00007f9efed3ef33 # [ 57.81950[ 66.710204] ------------[ cut here ]------------ [ 66.721565] refcount_t: saturated; leaking memory. [ 66.726946] WARNING: CPU: 3 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0] RDX: 0000000000000009 RSI: 00007f9efec2f000 RDI: 000000000000[ 66.736385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.769026] CPU: 3 PID: 2460 Comm: cat Tainted: G D W 5.10.138-cip15 #1 0001 # [ 57.827470] RBP: 00007f9efec2f000 R08: 00007f9efec2e0[ 66.777681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.790708] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 66.796550] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 [ 66.817534] RSP: 0018:ffff9df282fa7e48 EFLAGS: 00010286 [ 66.823372] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 66.831346] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 66.839318] RBP: ffffffff94ec8ba3 R08: 0000000000000000 R09: 0000000000000000 [ 66.847289] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.855260] R13: ffff9df282fa7f10 R14: ffff9df282fa7f10 R15: ffff9957c4dc8000 [ 66.863246] FS: 00007f0ea7efd580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 66.872319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.878737] CR2: 00007f0ea7d16000 CR3: 0000000103b34001 CR4: 00000000003706e0 [ 66.886708] Call Trace: [ 66.889438] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 66.894888] direct_entry.cold+0x2c/0x38 [ 66.899301] full_proxy_write+0x53/0x80 [ 66.903617] vfs_write+0xe7/0x3a0 [ 66.907317] ksys_write+0x68/0xf0 [ 66.911018] do_syscall_64+0x30/0x40 [ 66.915034] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.920678] RIP: 0033:0x7f0ea7e25f33 [ 66.924669] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.945655] RSP: 002b:00007ffe6ef5bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.954115] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ea7e25f33 [ 66.962087] RDX: 0000000000000017 RSI: 00007f0ea7d16000 RDI: 0000000000000001 [ 66.970058] RBP: 00007f0ea7d16000 R08: 00007f0ea7d15010 R09: 0000000000000000 [ 66.978029] R10: 00007f0ea7f201c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.986000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.993994] irq event stamp: 0 10 R09: 0000000000000000 # [ 57.835440] R10: 00007f9efee391c0[ 66.997411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.010621] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.019759] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.028896] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.035898] ---[ end trace 4ca682eed208997f ]--- [ 67.041053] lkdtm: Saturation detected: still saturated R11: 0000000000000246 R12: 0000000000000001 # [ 57.843410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.851385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.877840] CR2: ffffffff94ada0d0 # [ 57.887753] ---[ end trace 4ca682eed2089970 ]--- # [ 57.892909] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.897286] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 57.918272] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 57.924107] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.932078] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 57.940049] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 57.948018] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.955988] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 57.963956] FS: 00007f9efee16580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 57.972996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.979414] CR2: ffffffff94ada0d0 CR3: 0000000103978005 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_[ 67.201413] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 67.209989] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 67.217479] ------------[ cut here ]------------ [ 67.222636] refcount_t: saturated; leaking memory. [ 67.228013] WARNING: CPU: 3 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 INIT.sh # Killed # [ 58.094710] lkdtm: Performing direct ent[ 67.237447] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.270107] CPU: 3 PID: 2492 Comm: cat Tainted: G D W 5.10.138-cip15 #1 ry WRITE_RO_AFTER_INIT # [ 58.105813] lkdtm: attempting bad r[ 67.278757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.291780] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 67.297650] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 [ 67.318641] RSP: 0018:ffff9df283017e38 EFLAGS: 00010282 [ 67.324510] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 67.332488] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 [ 67.340493] RBP: ffffffff94ec87d0 R08: 0000000000000000 R09: 0000000000000000 [ 67.348469] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 67.356443] R13: ffff9df283017f10 R14: ffff9df283017f10 R15: ffff9957c3c7e000 [ 67.364420] FS: 00007f34dcc25580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 [ 67.373462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.379882] CR2: 00007f34dca3e000 CR3: 00000001039c4005 CR4: 00000000003706e0 [ 67.387857] Call Trace: [ 67.390591] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 67.396757] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 o_after_init write at ffffffff94f46328 # [ 58.119637] BUG: un[ 67.403105] direct_entry.cold+0x2c/0x38 [ 67.413700] full_proxy_write+0x53/0x80 [ 67.418017] vfs_write+0xe7/0x3a0 [ 67.421751] ksys_write+0x68/0xf0 [ 67.425486] do_syscall_64+0x30/0x40 [ 67.429510] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.435184] RIP: 0033:0x7f34dcb4df33 [ 67.439180] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.460215] RSP: 002b:00007fff0c6bef98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 able to handle page fault for address: ffffffff94f46328 # [ 5[ 67.468680] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f34dcb4df33 8.133505] #PF: supervisor write access in kernel mode # [ 58.[ 67.482865] RDX: 0000000000000020 RSI: 00007f34dca3e000 RDI: 0000000000000001 [ 67.497057] RBP: 00007f34dca3e000 R08: 00007f34dca3d010 R09: 0000000000000000 [ 67.505029] R10: 00007f34dcc481c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.513001] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.520977] irq event stamp: 0 [ 67.524418] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.531420] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.540558] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.549698] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.556698] ---[ end trace 4ca682eed2089980 ]--- [ 67.561853] lkdtm: Saturation detected: still saturated 139341] #PF: error_code(0x0003) - permissions violation # [ 58.145555] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 104805063 PTE 800000014e546061 # [ 58.160815] Oops: 0003 [#15] SMP PTI # [ 58.164804] CPU: 1 PID: 1988 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 58.173442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.180270] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.186300] Code: 99 ec 94 e9 e2 9b fd ff 48 c7 c7 40 99 ec 94 e8 d6 9b fd ff 48 8b 05 44 ad 9d 00 ba 34 12 cd ab 48 c7 c7 e8 98 ec 94 48 31 d0 <48> 89 05 2e ad 9d 00 e9 b4 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 58.213496] RSP: 0018:ffff9df28280fe60 EFLAGS: 00010202 # [ 58.219329] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 58.227299] RDX: 00000000abcd1234 RSI: ffff99583ac9bf70 RDI: ffffffff94ec98e8 # [ 58.235271] RBP: ffffffff94ec8ade R08: 0000000000000000 R09: 0000000000000000 # [ 58.243255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 58.251219] R13: ffff9df28280ff10 R14: ffff9df28280ff10 R15: ffff9957c3255000 # [ 58.259210] FS: 00007f28dcb75580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 58.268259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.274675] CR2: ffffffff94f46328 CR3: 000000010310a005 CR4: 00000000003706e0 # [ 58.282643] Call Trace: # [ 58.285369] direct_entry.cold+0x2c/0x38 # [ 58.289749] full_pro[ 67.705922] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED xy_write+0x53/0x80 # [ 58.300260] vfs_write+0xe7/0x3a0 # [ [ 67.718574] lkdtm: attempting bad refcount_add_not_zero() from saturated 58.303957] ksys_write+0x68/0xf0 # [ 58.313871] do_syscall[ 67.732288] ------------[ cut here ]------------ _64+0x30/0x40 # [ 58.317862] entry_SYSCALL_64_after_hwframe+[ 67.743666] refcount_t: saturated; leaking memory. 0x61/0xc6 # [ 58.329712] RIP: 0033:0x7f28dca9df33 # [ 58.3[ 67.755267] WARNING: CPU: 0 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 33700] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 67.770888] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 67.803538] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.138-cip15 #1 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 67.818466] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 48 89 54 24 18 # [ 58.354684] RSP: 002b:00007ffca5c696d8 EFLA[ 67.831490] RIP: 0010:refcount_warn_saturate+0x97/0x110 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.363140] RAX: f[ 67.843540] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 fffffffffffffda RBX: 0000000000000014 RCX: 00007f28dca9df33 # [[ 67.870711] RSP: 0018:ffff9df283097e38 EFLAGS: 00010282 58.371111] RDX: 0000000000000014 RSI: 00007f28dc98e000 RDI: 0[ 67.882771] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 000000000000001 # [ 58.379081] RBP: 00007f28dc98e000 R08: 000[ 67.896959] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 07f28dc98d010 R09: 0000000000000000 # [ 58.387051] R10: 00007[ 67.911153] RBP: ffffffff94ec87f0 R08: 0000000000000000 R09: 0000000000000000 f28dcb981c0 R11: 0000000000000246 R12: 0000000000000001 # [ 5[ 67.925334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 8.395021] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 67.939536] R13: ffff9df283097f10 R14: ffff9df283097f10 R15: ffff9957c55f4000 00000020000 # [ 58.402998] Modules linked in: fuse ip_tables [ 67.953723] FS: 00007fec6f2a7580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[ 67.968983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 er kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_[ 67.981620] CR2: 00007fec6f0c0000 CR3: 0000000103c7e003 CR4: 00000000003706f0 chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal [ 67.995803] Call Trace: cros_ec_dev cros_usbpd_notify # [ 58.435636] CR2: ffffffff94f[ 68.004757] __refcount_add_not_zero.constprop.0+0x2a/0x35 46328 # [ 58.439326] ---[ end trace 4ca682eed2089971 ]--- # [ 68.017097] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 58.444481] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.448857] Co[ 68.029642] direct_entry.cold+0x2c/0x38 de: 89 ff e8 6e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea [ 68.040233] full_proxy_write+0x53/0x80 ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 0[ 68.050730] vfs_write+0xe7/0x3a0 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 f2 [ 68.060622] ksys_write+0x68/0xf0 73 02 # [ 58.469841] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010[ 68.070531] do_syscall_64+0x30/0x40 286 # [ 58.475675] RAX: ffffffff93ede2c0 RBX: 000000000000000[ 68.080748] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1 RCX: 0000000000000000 # [ 58.483647] RDX: 0000000000000000 [ 68.092599] RIP: 0033:0x7fec6f1cff33 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 58.491616] RB[ 68.102804] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 P: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001[ 68.130016] RSP: 002b:00007ffeaab910d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.499586] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 68.144680] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fec6f1cff33 2: 0000000000000004 # [ 58.507555] R13: ffff9df2814bff10 R14:[ 68.158873] RDX: 0000000000000020 RSI: 00007fec6f0c0000 RDI: 0000000000000001 ffff9df2814bff10 R15: ffff9957c39f5000 # [ 58.515526] FS: 0[ 68.173058] RBP: 00007fec6f0c0000 R08: 00007fec6f0bf010 R09: 0000000000000000 0007f28dcb75580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000[ 68.187272] R10: 00007fec6f2ca1c0 R11: 0000000000000246 R12: 0000000000000001 000000 # [ 58.524563] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 68.201456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0080050033 # [ 58.530979] CR2: ffffffff94f46328 CR3: 00000001[ 68.215654] irq event stamp: 0 0310a005 CR4: 00000000003706e0 # [ 58.538942] BUG: sleeping f[ 68.225272] hardirqs last enabled at (0): [<0000000000000000>] 0x0 unction called from invalid context at include/linux/percpu-rwse[ 68.238486] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 m.h:49 # [ 58.548846] in_atomic(): 0, irqs_disabled(): 1, non[ 68.253842] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 _block: 0, pid: 1988, name: cat # [ 58.557300] INFO: lockdep [ 68.269213] softirqs last disabled at (0): [<0000000000000000>] 0x0 is turned off. # [ 58.561674] irq event stamp: 0 # [ 58.56[ 68.282414] ---[ end trace 4ca682eed2089981 ]--- 5079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #[ 68.293776] lkdtm: Saturation detected: still saturated [ 58.572069] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.581211] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.590347] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.597350] CPU: 1 PID: 1988 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 58.606000] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.612804] Call Trace: # [ 58.615531] dump_stack+0x77/0x9b # [ 58.619231] ___might_sleep.cold+0xa6/0xb6 # [ 58.623804] exit_signals+0x1c/0x2e0 # [ 58.634005] do_exit+0xd5/0xb00 # [ 58.637508] ? ksys_write+0x68/0xf0 # [ 58.641402] rewind_stack_do_exit+0x17/0x20 # [ 58.646072] RIP: 0033:0x7f28dca9df33 # [ 58.650051] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.671038] RSP: 002b:00007ffca5c696d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.679494] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f28dca9df33 # [ 58.687464] RDX: 0000000000000014 RSI: 00007f28dc98e000 RDI: 0000000000000001 # [ 58.695435] RBP: 00007f28dc98e000 R08: 00007f28dc98d010 R09: 0000000000000000 # [ 58.703404] R10: 00007f28dcb981c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.711374] 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 # [ 58.836411] lkdtm: Performing direct entry WRITE_KERN # [ 58.843078] lkdtm: attempting bad [ 68.467782] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 6868596 byte write at ffffffff9456b504 # [ 58.850602] BUG: un[ 68.481356] lkdtm: attempting bad refcount_dec_and_test() from saturated able to handle page fault for address: ffffffff9456b504 # [ 5[ 68.495051] ------------[ cut here ]------------ 8.858313] #PF: supervisor write access in kernel mode # [ 58.[ 68.506424] refcount_t: underflow; use-after-free. 864149] #PF: error_code(0x0003) - permissions violation # [ 5[ 68.518009] WARNING: CPU: 0 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 8.870372] PGD 14e629067 P4D 14e629067 PUD 14e62a063 PMD 14da000e[ 68.533634] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 # [ 58.877473] Oops: 0003 [#16] SMP PTI # [ 58.887677] [ 68.566310] CPU: 0 PID: 2559 Comm: cat Tainted: G D W 5.10.138-cip15 #1 CPU: 2 PID: 2023 Comm: cat Tainted: G D W 5.10.138-[ 68.581164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 cip15 #1 # [ 58.896328] Hardware name: Google Rammus/Rammus, [ 68.594196] RIP: 0010:refcount_warn_saturate+0xba/0x110 BIOS 09/04/2020 # [ 58.903138] RIP: 0010:lkdtm_WRITE_KERN+0x[ 68.606252] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 38/0x4e # [ 58.908293] Code: 53 48 c7 c3 04 b5 56 94 49 89 dc[ 68.633470] RSP: 0018:ffff9df283107e40 EFLAGS: 00010286 48 89 da 49 81 ec 90 e6 ed 93 4c 89 e6 e8 89 9b fd ff 48 89 df [ 68.645542] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 4c 89 e1 48 c7 c6 90 e6 ed 93 a4 48 c7 c7 e8 98 ec 94 e8 6e[ 68.659691] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 58.935495] RSP: 0018:ff[ 68.673916] RBP: ffffffff94ec8810 R08: 0000000000000000 R09: 0000000000000000 ff9df2828dfe50 EFLAGS: 00010246 # [ 58.941330] RAX: 000000000[ 68.688094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000003c RBX: ffffffff9456b504 RCX: 000000000068ce74 # [ 58.94[ 68.702307] R13: ffff9df283107f10 R14: ffff9df283107f10 R15: ffff9957c3121000 9302] RDX: 0000000000000000 RSI: ffffffff93ede690 RDI: ffffffff9[ 68.716486] FS: 00007f6029bd6580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 456b504 # [ 58.957271] RBP: ffffffff94ec8af2 R08: 00000000000[ 68.731747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000 R09: 0000000000000000 # [ 58.965258] R10: 00000000ffffe[ 68.744338] CR2: 00007f60299ef000 CR3: 0000000103c7c005 CR4: 00000000003706f0 000 R11: 3fffffffffffffff R12: 000000000068ce74 # [ 58.973229[ 68.758557] Call Trace: ] R13: ffff9df2828dff10 R14: ffff9df2828dff10 R15: ffff9957c5724[ 68.767512] __refcount_sub_and_test.constprop.0+0x3c/0x50 000 # [ 58.981206] FS: 00007f94ea97b580(0000) GS:ffff99583ad[ 68.779887] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 00000(0000) knlGS:0000000000000000 # [ 58.990253] CS: 0010 D[ 68.792509] direct_entry.cold+0x2c/0x38 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.996670] CR2: ff[ 68.803051] full_proxy_write+0x53/0x80 ffffff9456b504 CR3: 0000000103e60005 CR4: 00000000003706e0 # [ [ 68.813658] vfs_write+0xe7/0x3a0 59.004641] Call Trace: # [ 59.007372] direct_entry.cold+0x[ 68.823533] ksys_write+0x68/0xf0 2c/0x38 # [ 59.011751] full_proxy_write+0x53/0x80 # [ 59.[ 68.833454] do_syscall_64+0x30/0x40 016034] vfs_write+0xe7/0x3a0 # [ 59.019733] ksys_write+0x68[ 68.843685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 /0xf0 # [ 59.023433] do_syscall_64+0x30/0x40 # [ 59.02742[ 68.855552] RIP: 0033:0x7f6029afef33 2] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.033054] R[ 68.865798] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 IP: 0033:0x7f94ea8a3f33 # [ 59.037042] Code: 8b 15 61 ef 0c 0[ 68.892992] RSP: 002b:00007ffe955dcb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 68.907699] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6029afef33 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 68.921891] RDX: 0000000000000020 RSI: 00007f60299ef000 RDI: 0000000000000001 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.0580[ 68.936079] RBP: 00007f60299ef000 R08: 00007f60299ee010 R09: 0000000000000000 29] RSP: 002b:00007ffe69500ac8 EFLAGS: 00000246 ORIG_RAX: 000000[ 68.950308] R10: 00007f6029bf91c0 R11: 0000000000000246 R12: 0000000000000001 0000000001 # [ 59.066486] RAX: ffffffffffffffda RBX: 00000000[ 68.964513] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000b RCX: 00007f94ea8a3f33 # [ 59.074456] RDX: 0000000000[ 68.978748] irq event stamp: 0 00000b RSI: 00007f94ea794000 RDI: 0000000000000001 # [ 59.082[ 68.988370] hardirqs last enabled at (0): [<0000000000000000>] 0x0 428] RBP: 00007f94ea794000 R08: 00007f94ea793010 R09: 0000000000[ 69.001635] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000000 # [ 59.090399] R10: 00007f94ea99e1c0 R11: 000000000000[ 69.016981] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0246 R12: 0000000000000001 # [ 59.098369] R13: 00000000000000[ 69.032393] softirqs last disabled at (0): [<0000000000000000>] 0x0 01 R14: 0000000000020000 R15: 0000000000020000 # [ 59.106343][ 69.045615] ---[ end trace 4ca682eed2089982 ]--- Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_senso[ 69.056976] lkdtm: Saturation detected: still saturated rs_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.132805] CR2: ffffffff9456b504 # [ 59.142717] ---[ end trace 4ca682eed2089972 ]--- # [ 59.147872] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.152254] Code: 89 ff e8 6e bb 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 50 f2 73 02 # [ 59.173255] RSP: 0018:ffff9df2814bfe60 EFLAGS: 00010286 # [ 59.179089] RAX: ffffffff93ede2c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.187061] RDX: 0000000000000000 RSI: ffff99583ac1bf70 RDI: ffffffff94ad9c50 # [ 59.195030] RBP: ffffffff94f23dd8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.203000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.210971] R13: ffff9df2814bff10 R14: ffff9df2814bff10 R15: ffff9957c39f5000 # [ 59.218942] FS: 00007f94ea97b580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 59.227982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.234399] CR2: ffffffff9456b504 CR3: 0000000103e60005 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 59.371193] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 59.379629] lkdtm: attempting good refcount_inc() witho[ 69.212295] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ut overflow # [ 59.392757] lkdtm: attempting bad refcount_inc[ 69.225958] lkdtm: attempting bad refcount_sub_and_test() from saturated () overflow # [ 59.405000] ------------[ cut here ]----------[ 69.239664] ------------[ cut here ]------------ [ 69.251031] refcount_t: underflow; use-after-free. -- # [ 59.410156] refcount_t: saturated; leaking memory. # [[ 69.256410] WARNING: CPU: 1 PID: 2594 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 59.421745] WARNING: CPU: 1 PID: 2058 at lib/refcount.c:22 ref[ 69.272018] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify count_warn_saturate+0x51/0x110 # [ 59.437359] Modules linked [ 69.304654] CPU: 1 PID: 2594 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 69.319516] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 69.326322] RIP: 0010:refcount_warn_saturate+0xba/0x110 alio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_[ 69.338377] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x8[ 69.365574] RSP: 0018:ffff9df28319fe40 EFLAGS: 00010286 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.46999[ 69.377621] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 69.391804] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 9] CPU: 1 PID: 2058 Comm: cat Tainted: G D W 5.10.1[ 69.399778] RBP: ffffffff94ec8830 R08: 0000000000000000 R09: 0000000000000000 38-cip15 #1 # [ 59.484864] Hardware name: Google Rammus/Rammu[ 69.413983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 s, BIOS 09/04/2020 # [ 59.491673] RIP: 0010:refcount_warn_sa[ 69.428149] R13: ffff9df28319ff10 R14: ffff9df28319ff10 R15: ffff9957c4eb9000 [ 69.442333] FS: 00007fddc4125580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 turate+0x51/0x110 # [ 59.503720] Code: 84 bc 00 00 00 c3 cc c[ 69.451376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.464003] CR2: 00007fddc3f3e000 CR3: 00000001013e2003 CR4: 00000000003706e0 c cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6[ 69.471974] Call Trace: 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 8[ 69.480915] __refcount_sub_and_test.constprop.0+0x3c/0x50 0 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 # [ 59.530918] RS[ 69.493262] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 P: 0018:ffff9df282927e48 EFLAGS: 00010286 # [ 59.542972] RAX:[ 69.505800] direct_entry.cold+0x2c/0x38 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 #[ 69.516395] full_proxy_write+0x53/0x80 [ 59.550949] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI:[ 69.526891] vfs_write+0xe7/0x3a0 [ 69.536803] ksys_write+0x68/0xf0 ffff99583ac9bf70 # [ 59.565134] RBP: ffffffff94ec8afd R08: 0[ 69.540505] do_syscall_64+0x30/0x40 000000000000000 R09: 0000000000000000 # [ 59.573111] R10: 000[ 69.550703] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.562559] RIP: 0033:0x7fddc404df33 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ [ 69.566553] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.593740] RSP: 002b:00007ffe79056fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 59.587293] R13: ffff9df282927f10 R14: ffff9df282927f10 R15: fff[ 69.602214] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fddc404df33 [ 69.616392] RDX: 0000000000000020 RSI: 00007fddc3f3e000 RDI: 0000000000000001 f9957c311c000 # [ 59.595266] FS: 00007fdd6d715580(0000) GS:f[ 69.624366] RBP: 00007fddc3f3e000 R08: 00007fddc3f3d010 R09: 0000000000000000 fff99583ac80000(0000) knlGS:0000000000000000 # [ 59.610518] C[ 69.638551] R10: 00007fddc41481c0 R11: 0000000000000246 R12: 0000000000000001 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.61693[ 69.652741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9] CR2: 00007fdd6d52e000 CR3: 0000000104c30002 CR4: 000000000037[ 69.666946] irq event stamp: 0 [ 69.676547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 06e0 # [ 59.631125] Call Trace: # [ 59.633859] lkdtm_REFC[ 69.683549] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.698891] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 OUNT_INC_OVERFLOW+0x70/0x98 # [ 59.645423] direct_entry.cold[ 69.708029] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.721252] ---[ end trace 4ca682eed2089983 ]--- +0x2c/0x38 # [ 59.656047] full_proxy_write+0x53/0x80 # [ [ 69.726442] lkdtm: Saturation detected: still saturated 59.660347] vfs_write+0xe7/0x3a0 # [ 59.670263] ksys_write+0x68/0xf0 # [ 59.673975] do_syscall_64+0x30/0x40 # [ 59.677979] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.683630] RIP: 0033:0x7fdd6d63df33 # [ 59.687625] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.708619] RSP: 002b:00007ffdabd59558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.717088] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdd6d63df33 # [ 59.725068] RDX: 0000000000000016 RSI: 00007fdd6d52e000 RDI: 0000000000000001 # [ 59.739253] RBP: 00007fdd6d52e000 R08: 00007fdd6d52d010 R09: 0000000000000000 # [ 59.753441] R10: 00007fdd6d7381c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.767637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.781827] irq event stamp: 0 # [ 59.791440] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.804657] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.820007] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.835363] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.848580] ---[ end trace 4ca682eed2089973 ]--- # [ 59.859952] 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 # [ 59.986217] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 59.996025] lkdtm: attempting good refcount_add() without overflow # [ 60.009150] lkdtm: attempting bad refcount_add() overflow # [ 60.021396] ------------[ cut here ]------------ # [ 60.032772] refcount_t: saturated; leaking memory. # [ 60.044370] WARNING: CPU: 1 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.059987] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.092652] CPU: 1 PID: 2090 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 60.107498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.120519] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.132569] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 [ 69.983149] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 0[ 69.993828] lkdtm: attempting good copy_to_user of correct size 1 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 [ 70.006685] lkdtm: attempting bad copy_to_user of too large size 75 cb 48 c7 c7 68 46 e6 # [ 60.159768] RSP: 0018:ffff9df2829cfe48 EFLAGS: 00010286 # [ 60.171819] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 60.186007] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 # [ 60.200215] RBP: ffffffff94ec8b13 R08: 0000000000000000 R09: 0000000000000000 # [ 60.214404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.228588] R13: ffff9df2829cff10 R14: ffff9df2829cff10 R15: ffff9957c4f4a000 # [ 60.242776] FS: 00007f1a30451580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 60.258029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.270662] CR2: 00007f1a3026a000 CR3: 00000001055b0002 CR4: 00000000003706e0 # [ 60.284847] Call Trace: # [ 60.293800] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 60.305367] direct_entry.cold+0x2c/0x38 # [ 60.315961] full_proxy_write+0x53/0x80 # [ 60.326458] vfs_write+0xe7/0x3a0 # [ 60.336373] ksys_write+0x68/0xf0 # [ 60.346289] do_syscall_64+0x30/0x40 # [ 60.356494] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.368351] RIP: 0033:0x7f1a30379f33 # [ 60.378555] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.405753] RSP: 002b:00007ffc5231b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.420427] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1a30379f33 # [ 60.434617] RDX: 0000000000000016 RSI: 00007[ 70.169130] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 70.181887] lkdtm: attempting good copy_from_user of correct size f1a3026a000 RDI: 0000000000000001 # [ 60.448804] RBP: 00007f1[ 70.188717] lkdtm: attempting bad copy_from_user of too large size a3026a000 R08: 00007f1a30269010 R09: 0000000000000000 # [ 60.462995] R10: 00007f1a304741c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.477212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.491400] irq event stamp: 0 # [ 60.501020] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.514241] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.529595] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.544949] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.558166] ---[ end trace 4ca682eed2089974 ]--- # [ 60.569541] 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 # [ 60.677986] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 60.687881] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 60.701010] ------------[ cut here ]------------ # [ 60.712368] refcount_t: saturated; leaking memory. # [ 60.723940] WARNING: CPU: 0 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 60.739540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.772225] CPU: 0 PID: 2122 Co[ 70.350690] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO mm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 60.[ 70.358291] lkdtm: attempting good copy_to_user inside whitelist 787106] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 70.371226] lkdtm: attempting bad copy_to_user outside whitelist [ 60.800135] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 60.812171] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 60.839434] RSP: 0018:ffff9df282a2fe38 EFLAGS: 00010282 # [ 60.851475] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 60.865696] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 60.879933] RBP: ffffffff94ec8750 R08: 0000000000000000 R09: 0000000000000000 # [ 60.894105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 60.908326] R13: ffff9df282a2ff10 R14: ffff9df282a2ff10 R15: ffff9957c5740000 # [ 60.922508] FS: 00007f109cb06580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 60.937801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.950414] CR2: 00007f109c91f000 CR3: 000000010311a001 CR4: 00000000003706f0 # [ 60.964611] Call Trace: # [ 60.973576] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 60.985909] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 60.998360] direct_entry.cold+0x2c/0x38 # [ 61.008946] full_proxy_write+0x53/0x80 # [ 61.019477] vfs_write+0xe7/0x3a0 # [ 61.029376] ksys_write+0x68/0xf0 # [ 61.039321] do_syscall_64+0x30/0x40 # [ 61.049514] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.061388] RIP: 0033:0x7f109ca2ef33 # [ 61.071584] Code: 8b 15 61 ef 0c 00 f7 d8 6[ 70.527352] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 70.540757] lkdtm: attempting good copy_from_user inside whitelist 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 70.547681] lkdtm: attempting bad copy_from_user outside whitelist 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.098824] RSP: 002b:00007fff12061fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.113481] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f109ca2ef33 # [ 61.127680] RDX: 000000000000001f RSI: 00007f109c91f000 RDI: 0000000000000001 # [ 61.141855] RBP: 00007f109c91f000 R08: 00007f109c91e010 R09: 0000000000000000 # [ 61.156060] R10: 00007f109cb291c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.170279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.184457] irq event stamp: 0 # [ 61.194087] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.207323] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.222678] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.238042] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.251229] ---[ end trace 4ca682eed2089975 ]--- # [ 61.262635] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 61.377298] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 61.387101] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 61.394008] ------------[ cut here ]------------ # [ 61.399169] refcount_t: saturated; leaking memory. # [ 61.404552] WARNING: CPU: 2 PID: 2154 at lib/refcount.c:19[ 70.710314] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 70.723125] lkdtm: good_stack: ffff9df283547e20-ffff9df283547e40 refcount_warn_saturate+0x97/0x110 # [ 61.413988] Modules lin[ 70.729848] lkdtm: bad_stack : ffff9df283547da8-ffff9df283547dc8 [ 70.742788] lkdtm: attempting good copy_to_user of local stack ked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indu[ 70.749317] lkdtm: attempting bad copy_to_user of distant stack strialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.446627] CPU: 2 PID: 2154 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 61.455307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.468331] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.474201] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 61.501404] RSP: 0018:ffff9df282ac7e38 EFLAGS: 00010282 # [ 61.507273] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.515265] RDX: ffff99583ad2c660 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 # [ 61.523256] RBP: ffffffff94ec8770 R08: 0000000000000000 R09: 0000000000000000 # [ 61.531267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.539263] R13: ffff9df282ac7f10 R14: ffff9df282ac7f10 R15: ffff9957c13f1000 # [ 61.547236] FS: 00007f41a17fa580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 61.556294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.562713] CR2: 00007f41a1613000 CR3: 00000001040f6006 CR4: 00000000[ 70.887426] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 70.899884] lkdtm: good_stack: ffff9df2835bfe20-ffff9df2835bfe40 003706e0 # [ 61.570684] Call Trace: # [ 61.573416] __refc[ 70.906606] lkdtm: bad_stack : ffff9df2835bfda8-ffff9df2835bfdc8 ount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.579570] lkdtm[ 70.919538] lkdtm: attempting good copy_from_user of local stack [ 70.932454] lkdtm: attempting bad copy_from_user of distant stack _REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 61.592002] direct_entry.cold+0x2c/0x38 # [ 61.596384] full_proxy_write+0x53/0x80 # [ 61.600699] vfs_write+0xe7/0x3a0 # [ 61.604433] ksys_write+0x68/0xf0 # [ 61.608161] do_syscall_64+0x30/0x40 # [ 61.612201] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.617852] RIP: 0033:0x7f41a1722f33 # [ 61.628052] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.649035] RSP: 002b:00007ffe0ce0d318 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.657493] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f41a1722f33 # [ 61.665465] RDX: 000000000000001f RSI: 00007f41a1613000 RDI: 0000000000000001 # [ 61.673437] RBP: 00007f41a1613000 R08: 00007f41a1612010 R09: 0000000000000000 # [ 61.681411] R10: 00007f41a181d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.689383] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.697361] irq event stamp: 0 # [ 61.700798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.707799] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.716962] softirqs last enabled at (0): [ 71.068761] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [] copy_process+0x640/0x1c80 # [ 61.726102][ 71.076632] lkdtm: good_stack: ffff9df283677e20-ffff9df283677e40 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 71.089555] lkdtm: bad_stack : ffff9df283677ff8-ffff9df283678018 61.733103] ---[ end trace 4ca682eed2089976 ]--- # [ 61.738263[ 71.102501] lkdtm: attempting good copy_to_user of local stack ] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_O[ 71.115220] lkdtm: attempting bad copy_to_user of distant stack VERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT[ 71.128062] lkdtm: copy_to_user failed, but lacked Oops _ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 61.866856] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 61.873967] lkdtm: attempting good refcount_dec() # [ 61.885467] lkdtm: attempting bad refcount_dec() to zero # [ 61.897612] ------------[ cut here ]------------ # [ 61.908983] refcount_t: decrement hit 0; leaking memory. # [ 61.921141] WARNING: CPU: 0 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 61.936770] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.969408] CPU: 0 PID: 2186 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 61.984312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.997320] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.009391] Code: f0 46 e6 94 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 94 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 62.036580] RSP: 0018:ffff9df282b3fe48 EFLAGS: 00010286 # [ 62.048630] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.062802] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 62.076990] RBP: ffffffff94ec8b29 R08: 0000000000000000 R09: 0000000000000000 # [ 62.091177] R10: 00000000fff[ 71.289329] lkdtm: Performing direct entry USERCOPY_KERNEL [ 71.295635] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff94ada0f0 [ 71.304344] lkdtm: attempting bad copy_to_user from kernel text: ffffffff938e2df0 fe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.1053[ 71.312715] lkdtm: FAIL: survived bad copy_to_user() 77] R13: ffff9df282b3ff10 R14: ffff9df282b3ff10 R15: ffff9957c311b000 # [ 62.119553] FS: 00007f842d017580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 62.134820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.147455] CR2: 00007f842ce30000 CR3: 0000000104d9e006 CR4: 00000000003706f0 # [ 62.161650] Call Trace: # [ 62.170610] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 62.181787] direct_entry.cold+0x2c/0x38 # [ 62.192370] full_proxy_write+0x53/0x80 # [ 62.202871] vfs_write+0xe7/0x3a0 # [ 62.212777] ksys_write+0x68/0xf0 # [ 62.222712] do_syscall_64+0x30/0x40 # [ 62.232898] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.244760] RIP: 0033:0x7f842cf3ff33 # [ 62.254985] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.282216] RSP: 002b:00007fff3fc70748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.296866] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f842cf3ff33 # [ 62.311119] RDX: 0000000000000012 RSI: 00007f842ce30000 RDI: 0000000000000001 # [ 62.325311] RBP: 00007f842ce30000 R08: 00007f842ce2f010 R09: 0000000000000000 # [ 62.339523] R10: 00007f842d03a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.353711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.367928] irq event stamp: 0 # [ 62.377585] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.390863] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.4[ 71.479908] lkdtm: Performing direct entry STACKLEAK_ERASING [ 71.492402] lkdtm: checking unused part of the thread stack (15928 bytes)... 06199] softirqs last enabled at (0): [] copy_[ 71.500294] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 71.514274] lkdtm: FAIL: the thread stack is NOT properly erased [ 71.520987] CPU: 2 PID: 2959 Comm: cat Tainted: G D W 5.10.138-cip15 #1 [ 71.529666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.536471] Call Trace: process+0x640/0x1c80 # [ 62.421614] softirqs last disabled at[ 71.539213] dump_stack+0x77/0x9b [ 71.549122] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 71.554276] direct_entry.cold+0x2c/0x38 [ 71.558654] full_proxy_write+0x53/0x80 [ 71.562933] vfs_write+0xe7/0x3a0 [ 71.566621] ksys_write+0x68/0xf0 [ 71.570312] do_syscall_64+0x30/0x40 [ 71.574301] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.579941] RIP: 0033:0x7fc10c22df33 [ 71.583929] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.604909] RSP: 002b:00007ffd7192af88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.613362] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc10c22df33 [ 71.621329] RDX: 0000000000000012 RSI: 00007fc10c11e000 RDI: 0000000000000001 [ 71.629296] RBP: 00007fc10c11e000 R08: 00007fc10c11d010 R09: 0000000000000000 [ 71.637264] R10: 00007fc10c3281c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.645232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0): [<0000000000000000>] 0x0 # [ 62.434836] ---[ end trace 4ca682eed2089977 ]--- # [ 62.446241] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 62.572384] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 62.581888] lkdtm: attempting bad refcount_dec() below zero # [ 62.588116] ------------[ cut here ]------------ # [ 62.593274] refcount_t: decrement hit 0; leaking memory. # [ 62.599223] WARNING: CPU: 2 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 62.614858] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.641322] CPU: 2 PID: 2221 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 62.656198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.663016] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.675062] Code: f0 46 e6 94 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 94 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 62.696046] RSP: 0018:ffff9df282bffe48 EFLAGS: 00010286 # [ 62.701882] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 62.709854] RDX: ffff99583ad2c660 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 # [ 62.717826] RBP: ffffffff94ec8b3b R08: 0000000000000000 R09: 0000000000000000 # [ 62.725801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.739994] R13: ffff9df282bfff10 R14: ffff9df282bfff10 R15: ffff9957c4012000 # [ 62.754205] FS: 00007f4f[ 71.832334] lkdtm: Performing direct entry CFI_FORWARD_PROTO e205a580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000[ 71.840547] lkdtm: Calling matched prototype ... # [ 62.763255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 71.851933] lkdtm: Calling mismatched prototype ... 033 # [ 62.775884] CR2: 00007f4fe1e73000 CR3: 0000000104d8600[ 71.863590] lkdtm: Fail: survived mismatched prototype function call! 6 CR4: 00000000003706e0 # [ 62.783859] Call Trace: # [ 62.786636] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 62.792001] direct_entry.cold+0x2c/0x38 # [ 62.802588] full_proxy_write+0x53/0x80 # [ 62.806904] vfs_write+0xe7/0x3a0 # [ 62.810636] ksys_write+0x68/0xf0 # [ 62.814362] do_syscall_64+0x30/0x40 # [ 62.818378] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.824020] RIP: 0033:0x7f4fe1f82f33 # [ 62.828012] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.848999] RSP: 002b:00007fffcca72508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.857461] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4fe1f82f33 # [ 62.865437] RDX: 0000000000000016 RSI: 00007f4fe1e73000 RDI: 0000000000000001 # [ 62.873410] RBP: 00007f4fe1e73000 R08: 00007f4fe1e72010 R09: 0000000000000000 # [ 62.881382] R10: 00007f4fe207d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.889356] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.897336] irq event stamp: 0 # [ 62.900769] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.913985] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.923125] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.932264] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.939266] ---[ end trace 4ca682eed2089978 ]--- # [ 62.944423] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 63.059709] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.069009] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.076165] ------------[ cut here ]------------ # [ 63.081333] refcount_t: underflow; use-after-free. # [ 63.092909] WARNING: CPU: 2 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.108544] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.141214] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 63.149875] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.162922] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 63.168771] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 63.195967] RSP: 0018:ffff9df282c47e40 EFLAGS: 00010286 # [ 63.201804] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 63.209779] RDX: ffff99583ad2c660 RSI: ffff99583ad1bf70 RDI: ffff99583ad1bf70 # [ 63.217754] RBP: ffffffff94ec8790 R08: 0000000000000000 R09: 0000000000000000 # [ 63.225728] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.233701] R13: ffff9df282c47f10 R14: ffff9df282c47f10 R15: ffff9957c3ed9000 # [ 63.241678] FS: 00007f3bda293580(0000) GS:ffff99583ad00000(0000) knlGS:0000000000000000 # [ 63.250720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.257140] CR2: 00007f3bda0ac000 CR3: 0000000103142003 CR4: 00000000003706e0 # [ 63.265113] Call Trace: # [ 63.267845] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 63.274006] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 63.280261] direct_entry.cold+0x2c/0x38 # [ 63.284675] full_proxy_write+0x53/0x80 # [ 63.288992] vfs_write+0xe7/0x3a0 # [ 63.292723] ksys_write+0x68/0xf0 # [ 63.296450] do_syscall_64+0x30/0x40 # [ 63.300473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.306140] RIP: 0033:0x7f3bda1bbf33 # [ 63.310157] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.331146] RSP: 002b:00007ffe33855968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.339630] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3bda1bbf33 # [ 63.347606] RDX: 000000000000001f RSI: 00007f3bda0ac000 RDI: 0000000000000001 # [ 63.355581] RBP: 00007f3bda0ac000 R08: 00007f3bda0ab010 R09: 0000000000000000 # [ 63.363553] R10: 00007f3bda2b61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.371529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.385727] irq event stamp: 0 # [ 63.395349] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.402355] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.411497] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.420636] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.427640] ---[ end trace 4ca682eed2089979 ]--- # [ 63.432797] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 63.565013] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 63.576229] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 63.589574] ------------[ cut here ]------------ # [ 63.600945] refcount_t: underflow; use-after-free. # [ 63.612526] WARNING: CPU: 0 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.628156] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.660800] CPU: 0 PID: 2291 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 63.675688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.688755] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 63.700781] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 63.728052] RSP: 0018:ffff9df282cb7e40 EFLAGS: 00010286 # [ 63.740070] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 63.754276] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 63.768465] RBP: ffffffff94ec87b0 R08: 0000000000000000 R09: 0000000000000000 # [ 63.782652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.796858] R13: ffff9df282cb7f10 R14: ffff9df282cb7f10 R15: ffff9957c3ce7000 # [ 63.811021] FS: 00007f4d994eb580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 63.826342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.838951] CR2: 00007f4d99304000 CR3: 000000010311a003 CR4: 00000000003706f0 # [ 63.853130] Call Trace: # [ 63.862103] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 63.874440] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 63.886849] direct_entry.cold+0x2c/0x38 # [ 63.897433] full_proxy_write+0x53/0x80 # [ 63.907928] vfs_write+0xe7/0x3a0 # [ 63.917838] ksys_write+0x68/0xf0 # [ 63.927772] do_syscall_64+0x30/0x40 # [ 63.937988] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.949847] RIP: 0033:0x7f4d99413f33 # [ 63.960034] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.987223] RSP: 002b:00007ffc2d9f91d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.001905] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4d99413f33 # [ 64.016084] RDX: 000000000000001f RSI: 00007f4d99304000 RDI: 0000000000000001 # [ 64.030273] RBP: 00007f4d99304000 R08: 00007f4d99303010 R09: 0000000000000000 # [ 64.044455] R10: 00007f4d9950e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.058646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.072858] irq event stamp: 0 # [ 64.082445] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.095706] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.111042] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.126409] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.139613] ---[ end trace 4ca682eed208997a ]--- # [ 64.151018] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 64.287431] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 64.299154] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 64.306267] lkdtm: Good: zero detected # [ 64.316663] lkdtm: Correctly stayed at zero # [ 64.327545] lkdtm: attempting bad refcount_inc() from zero # [ 64.339889] ------------[ cut here ]------------ # [ 64.351264] refcount_t: addition on 0; use-after-free. # [ 64.357060] WARNING: CPU: 3 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 64.366498] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.399160] CPU: 3 PID: 2323 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 64.407826] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.420842] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 64.426704] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 94 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 # [ 64.447692] RSP: 0018:ffff9df282d5fe48 EFLAGS: 00010286 # [ 64.453531] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 64.461506] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 64.469479] RBP: ffffffff94ec8b51 R08: 0000000000000000 R09: 0000000000000000 # [ 64.477453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.485426] R13: ffff9df282d5ff10 R14: ffff9df282d5ff10 R15: ffff9957c57e6000 # [ 64.493398] FS: 00007f1f64556580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 64.502439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.508860] CR2: 00007f1f6436f000 CR3: 0000000103bd0001 CR4: 00000000003706e0 # [ 64.516832] Call Trace: # [ 64.519565] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 64.524559] direct_entry.cold+0x2c/0x38 # [ 64.528966] full_proxy_write+0x53/0x80 # [ 64.533282] vfs_write+0xe7/0x3a0 # [ 64.537015] ksys_write+0x68/0xf0 # [ 64.540740] do_syscall_64+0x30/0x40 # [ 64.544755] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.550397] RIP: 0033:0x7f1f6447ef33 # [ 64.554389] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.575378] RSP: 002b:00007ffe36099498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.583840] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1f6447ef33 # [ 64.591813] RDX: 0000000000000012 RSI: 00007f1f6436f000 RDI: 0000000000000001 # [ 64.599788] RBP: 00007f1f6436f000 R08: 00007f1f6436e010 R09: 0000000000000000 # [ 64.613979] R10: 00007f1f645791c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.628171] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.636168] irq event stamp: 0 # [ 64.639607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.646610] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.655748] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.664887] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.671887] ---[ end trace 4ca682eed208997b ]--- # [ 64.677044] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 64.809234] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 64.818603] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 64.825715] lkdtm: Good: zero detected # [ 64.836111] lkdtm: Correctly stayed at zero # [ 64.840788] lkdtm: attempting bad refcount_add() from zero # [ 64.846920] ------------[ cut here ]------------ # [ 64.852077] refcount_t: addition on 0; use-after-free. # [ 64.857845] WARNING: CPU: 3 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 64.867280] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.899913] CPU: 3 PID: 2355 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 64.914777] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.927801] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 64.939847] Code: 01 01 e8 ca 5b 98 00 0f 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 94 c6 05 fc 4d 74 01 01 e8 a7 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 # [ 64.960834] RSP: 0018:ffff9df282ddfe48 EFLAGS: 00010286 # [ 64.972881] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 64.980852] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 64.988826] RBP: ffffffff94ec8b63 R08: 0000000000000000 R09: 0000000000000000 # [ 64.996797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.004767] R13: ffff9df282ddff10 R14: ffff9df282ddff10 R15: ffff9957c5cd4000 # [ 65.012741] FS: 00007fc0fc8e0580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 65.021782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.034410] CR2: 00007fc0fc6f9000 CR3: 0000000104c62003 CR4: 00000000003706e0 # [ 65.048597] Call Trace: # [ 65.051329] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 65.062506] direct_entry.cold+0x2c/0x38 # [ 65.073098] full_proxy_write+0x53/0x80 # [ 65.083595] vfs_write+0xe7/0x3a0 # [ 65.093509] ksys_write+0x68/0xf0 # [ 65.103423] do_syscall_64+0x30/0x40 # [ 65.113626] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.119271] RIP: 0033:0x7fc0fc808f33 # [ 65.129472] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.156669] RSP: 002b:00007ffebcde19b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.165128] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc0fc808f33 # [ 65.179308] RDX: 0000000000000012 RSI: 00007fc0fc6f9000 RDI: 0000000000000001 # [ 65.193492] RBP: 00007fc0fc6f9000 R08: 00007fc0fc6f8010 R09: 0000000000000000 # [ 65.207677] R10: 00007fc0fc9031c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.215648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.229838] irq event stamp: 0 # [ 65.239458] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.246461] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.261037] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.270179] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.283392] ---[ end trace 4ca682eed208997c ]--- # [ 65.288548] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 65.455787] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 65.467826] lkdtm: attempting bad refcount_inc() from saturated # [ 65.480647] ------------[ cut here ]------------ # [ 65.492017] refcount_t: saturated; leaking memory. # [ 65.503614] WARNING: CPU: 0 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.519243] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.551911] CPU: 0 PID: 2390 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 65.566801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.579833] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 65.591908] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 # [ 65.619155] RSP: 0018:ffff9df282e7fe48 EFLAGS: 00010286 # [ 65.631205] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 65.645433] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 65.659601] RBP: ffffffff94ec8b75 R08: 0000000000000000 R09: 0000000000000000 # [ 65.673835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.688002] R13: ffff9df282e7ff10 R14: ffff9df282e7ff10 R15: ffff9957c31be000 # [ 65.702236] FS: 00007f052dc84580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 65.717510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.730164] CR2: 00007f052da9d000 CR3: 0000000103e02001 CR4: 00000000003706f0 # [ 65.744378] Call Trace: # [ 65.753388] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 65.765054] direct_entry.cold+0x2c/0x38 # [ 65.775676] full_proxy_write+0x53/0x80 # [ 65.786204] vfs_write+0xe7/0x3a0 # [ 65.796125] ksys_write+0x68/0xf0 # [ 65.806046] do_syscall_64+0x30/0x40 # [ 65.816256] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.828130] RIP: 0033:0x7f052dbacf33 # [ 65.838327] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.865541] RSP: 002b:00007ffca75c67c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.880232] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f052dbacf33 # [ 65.894439] RDX: 0000000000000017 RSI: 00007f052da9d000 RDI: 0000000000000001 # [ 65.908623] RBP: 00007f052da9d000 R08: 00007f052da9c010 R09: 0000000000000000 # [ 65.922824] R10: 00007f052dca71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.937007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.951205] irq event stamp: 0 # [ 65.960792] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.974008] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.989368] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.004709] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.017935] ---[ end trace 4ca682eed208997d ]--- # [ 66.029295] 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 # [ 66.200351] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 66.209752] lkdtm: attempting bad refcount_dec() from saturated # [ 66.216380] ------------[ cut here ]------------ # [ 66.221546] refcount_t: decrement hit 0; leaking memory. # [ 66.227505] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.236945] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.263392] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 66.272044] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.278852] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.284688] Code: f0 46 e6 94 c6 05 8c 4d 74 01 01 e8 3a 5b 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 46 e6 94 c6 05 73 4d 74 01 01 e8 20 5b 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.305672] RSP: 0018:ffff9df282f0fe48 EFLAGS: 00010286 # [ 66.311507] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 66.319479] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 66.327452] RBP: ffffffff94ec8b8c R08: 0000000000000000 R09: 0000000000000000 # [ 66.335424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.343396] R13: ffff9df282f0ff10 R14: ffff9df282f0ff10 R15: ffff9957c327f000 # [ 66.351370] FS: 00007f132456a580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 66.360409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.366826] CR2: 00007f1324383000 CR3: 00000001054cc004 CR4: 00000000003706e0 # [ 66.374798] Call Trace: # [ 66.377528] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 66.383003] direct_entry.cold+0x2c/0x38 # [ 66.387410] full_proxy_write+0x53/0x80 # [ 66.391721] vfs_write+0xe7/0x3a0 # [ 66.395451] ksys_write+0x68/0xf0 # [ 66.399152] do_syscall_64+0x30/0x40 # [ 66.403167] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.408811] RIP: 0033:0x7f1324492f33 # [ 66.412803] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.433789] RSP: 002b:00007fff17007458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.442260] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1324492f33 # [ 66.450233] RDX: 0000000000000017 RSI: 00007f1324383000 RDI: 0000000000000001 # [ 66.458215] RBP: 00007f1324383000 R08: 00007f1324382010 R09: 0000000000000000 # [ 66.472406] R10: 00007f132458d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.480382] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.494579] irq event stamp: 0 # [ 66.504202] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.511215] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.520361] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.535712] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.542738] ---[ end trace 4ca682eed208997e ]--- # [ 66.547917] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 66.693860] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 66.703575] lkdtm: attempting bad refcount_dec() from saturated # [ 66.710204] ------------[ cut here ]------------ # [ 66.721565] refcount_t: saturated; leaking memory. # [ 66.726946] WARNING: CPU: 3 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.736385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.769026] CPU: 3 PID: 2460 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 66.777681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.790708] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.796550] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 30 4e 74 01 00 75 ee 48 c7 c7 40 46 e6 94 c6 05 20 4e 74 01 01 e8 ca 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0c 4e 74 01 00 75 cb 48 c7 c7 68 46 e6 # [ 66.817534] RSP: 0018:ffff9df282fa7e48 EFLAGS: 00010286 # [ 66.823372] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 66.831346] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 66.839318] RBP: ffffffff94ec8ba3 R08: 0000000000000000 R09: 0000000000000000 # [ 66.847289] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.855260] R13: ffff9df282fa7f10 R14: ffff9df282fa7f10 R15: ffff9957c4dc8000 # [ 66.863246] FS: 00007f0ea7efd580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 66.872319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.878737] CR2: 00007f0ea7d16000 CR3: 0000000103b34001 CR4: 00000000003706e0 # [ 66.886708] Call Trace: # [ 66.889438] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 66.894888] direct_entry.cold+0x2c/0x38 # [ 66.899301] full_proxy_write+0x53/0x80 # [ 66.903617] vfs_write+0xe7/0x3a0 # [ 66.907317] ksys_write+0x68/0xf0 # [ 66.911018] do_syscall_64+0x30/0x40 # [ 66.915034] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.920678] RIP: 0033:0x7f0ea7e25f33 # [ 66.924669] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.945655] RSP: 002b:00007ffe6ef5bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.954115] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ea7e25f33 # [ 66.962087] RDX: 0000000000000017 RSI: 00007f0ea7d16000 RDI: 0000000000000001 # [ 66.970058] RBP: 00007f0ea7d16000 R08: 00007f0ea7d15010 R09: 0000000000000000 # [ 66.978029] R10: 00007f0ea7f201c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.986000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.993994] irq event stamp: 0 # [ 66.997411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.010621] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.019759] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.028896] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.035898] ---[ end trace 4ca682eed208997f ]--- # [ 67.041053] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 67.201413] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 67.209989] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 67.217479] ------------[ cut here ]------------ # [ 67.222636] refcount_t: saturated; leaking memory. # [ 67.228013] WARNING: CPU: 3 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.237447] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.270107] CPU: 3 PID: 2492 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 67.278757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.291780] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.297650] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 67.318641] RSP: 0018:ffff9df283017e38 EFLAGS: 00010282 # [ 67.324510] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.332488] RDX: ffff99583adac660 RSI: ffff99583ad9bf70 RDI: ffff99583ad9bf70 # [ 67.340493] RBP: ffffffff94ec87d0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.348469] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.356443] R13: ffff9df283017f10 R14: ffff9df283017f10 R15: ffff9957c3c7e000 # [ 67.364420] FS: 00007f34dcc25580(0000) GS:ffff99583ad80000(0000) knlGS:0000000000000000 # [ 67.373462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.379882] CR2: 00007f34dca3e000 CR3: 00000001039c4005 CR4: 00000000003706e0 # [ 67.387857] Call Trace: # [ 67.390591] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.396757] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 67.403105] direct_entry.cold+0x2c/0x38 # [ 67.413700] full_proxy_write+0x53/0x80 # [ 67.418017] vfs_write+0xe7/0x3a0 # [ 67.421751] ksys_write+0x68/0xf0 # [ 67.425486] do_syscall_64+0x30/0x40 # [ 67.429510] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.435184] RIP: 0033:0x7f34dcb4df33 # [ 67.439180] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.460215] RSP: 002b:00007fff0c6bef98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.468680] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f34dcb4df33 # [ 67.482865] RDX: 0000000000000020 RSI: 00007f34dca3e000 RDI: 0000000000000001 # [ 67.497057] RBP: 00007f34dca3e000 R08: 00007f34dca3d010 R09: 0000000000000000 # [ 67.505029] R10: 00007f34dcc481c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.513001] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.520977] irq event stamp: 0 # [ 67.524418] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.531420] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.540558] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.549698] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.556698] ---[ end trace 4ca682eed2089980 ]--- # [ 67.561853] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 67.705922] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 67.718574] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 67.732288] ------------[ cut here ]------------ # [ 67.743666] refcount_t: saturated; leaking memory. # [ 67.755267] WARNING: CPU: 0 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.770888] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.803538] CPU: 0 PID: 2524 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 67.818466] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.831490] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.843540] Code: 01 01 e8 a7 5b 98 00 0f 0b c3 cc cc cc cc 80 3d eb 4d 74 01 00 75 a8 48 c7 c7 40 46 e6 94 c6 05 db 4d 74 01 01 e8 84 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 # [ 67.870711] RSP: 0018:ffff9df283097e38 EFLAGS: 00010282 # [ 67.882771] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.896959] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 67.911153] RBP: ffffffff94ec87f0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.925334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.939536] R13: ffff9df283097f10 R14: ffff9df283097f10 R15: ffff9957c55f4000 # [ 67.953723] FS: 00007fec6f2a7580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 67.968983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.981620] CR2: 00007fec6f0c0000 CR3: 0000000103c7e003 CR4: 00000000003706f0 # [ 67.995803] Call Trace: # [ 68.004757] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.017097] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.029642] direct_entry.cold+0x2c/0x38 # [ 68.040233] full_proxy_write+0x53/0x80 # [ 68.050730] vfs_write+0xe7/0x3a0 # [ 68.060622] ksys_write+0x68/0xf0 # [ 68.070531] do_syscall_64+0x30/0x40 # [ 68.080748] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.092599] RIP: 0033:0x7fec6f1cff33 # [ 68.102804] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.130016] RSP: 002b:00007ffeaab910d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.144680] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fec6f1cff33 # [ 68.158873] RDX: 0000000000000020 RSI: 00007fec6f0c0000 RDI: 0000000000000001 # [ 68.173058] RBP: 00007fec6f0c0000 R08: 00007fec6f0bf010 R09: 0000000000000000 # [ 68.187272] R10: 00007fec6f2ca1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.201456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.215654] irq event stamp: 0 # [ 68.225272] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.238486] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.253842] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.269213] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.282414] ---[ end trace 4ca682eed2089981 ]--- # [ 68.293776] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 68.467782] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.481356] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.495051] ------------[ cut here ]------------ # [ 68.506424] refcount_t: underflow; use-after-free. # [ 68.518009] WARNING: CPU: 0 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 68.533634] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.566310] CPU: 0 PID: 2559 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 68.581164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.594196] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 68.606252] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 68.633470] RSP: 0018:ffff9df283107e40 EFLAGS: 00010286 # [ 68.645542] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 68.659691] RDX: ffff99583ac2c660 RSI: ffff99583ac1bf70 RDI: ffff99583ac1bf70 # [ 68.673916] RBP: ffffffff94ec8810 R08: 0000000000000000 R09: 0000000000000000 # [ 68.688094] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.702307] R13: ffff9df283107f10 R14: ffff9df283107f10 R15: ffff9957c3121000 # [ 68.716486] FS: 00007f6029bd6580(0000) GS:ffff99583ac00000(0000) knlGS:0000000000000000 # [ 68.731747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.744338] CR2: 00007f60299ef000 CR3: 0000000103c7c005 CR4: 00000000003706f0 # [ 68.758557] Call Trace: # [ 68.767512] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 68.779887] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 68.792509] direct_entry.cold+0x2c/0x38 # [ 68.803051] full_proxy_write+0x53/0x80 # [ 68.813658] vfs_write+0xe7/0x3a0 # [ 68.823533] ksys_write+0x68/0xf0 # [ 68.833454] do_syscall_64+0x30/0x40 # [ 68.843685] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.855552] RIP: 0033:0x7f6029afef33 # [ 68.865798] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.892992] RSP: 002b:00007ffe955dcb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.907699] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6029afef33 # [ 68.921891] RDX: 0000000000000020 RSI: 00007f60299ef000 RDI: 0000000000000001 # [ 68.936079] RBP: 00007f60299ef000 R08: 00007f60299ee010 R09: 0000000000000000 # [ 68.950308] R10: 00007f6029bf91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.964513] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.978748] irq event stamp: 0 # [ 68.988370] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.001635] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.016981] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.032393] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.045615] ---[ end trace 4ca682eed2089982 ]--- # [ 69.056976] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 69.212295] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.225958] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.239664] ------------[ cut here ]------------ # [ 69.251031] refcount_t: underflow; use-after-free. # [ 69.256410] WARNING: CPU: 1 PID: 2594 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.272018] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.304654] CPU: 1 PID: 2594 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 69.319516] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.326322] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.338377] Code: 01 01 e8 84 5b 98 00 0f 0b c3 cc cc cc cc 80 3d c5 4d 74 01 00 75 85 48 c7 c7 98 46 e6 94 c6 05 b5 4d 74 01 01 e8 61 5b 98 00 <0f> 0b c3 cc cc cc cc 80 3d a0 4d 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.365574] RSP: 0018:ffff9df28319fe40 EFLAGS: 00010286 # [ 69.377621] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 69.391804] RDX: ffff99583acac660 RSI: ffff99583ac9bf70 RDI: ffff99583ac9bf70 # [ 69.399778] RBP: ffffffff94ec8830 R08: 0000000000000000 R09: 0000000000000000 # [ 69.413983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.428149] R13: ffff9df28319ff10 R14: ffff9df28319ff10 R15: ffff9957c4eb9000 # [ 69.442333] FS: 00007fddc4125580(0000) GS:ffff99583ac80000(0000) knlGS:0000000000000000 # [ 69.451376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.464003] CR2: 00007fddc3f3e000 CR3: 00000001013e2003 CR4: 00000000003706e0 # [ 69.471974] Call Trace: # [ 69.480915] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.493262] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 69.505800] direct_entry.cold+0x2c/0x38 # [ 69.516395] full_proxy_write+0x53/0x80 # [ 69.526891] vfs_write+0xe7/0x3a0 # [ 69.536803] ksys_write+0x68/0xf0 # [ 69.540505] do_syscall_64+0x30/0x40 # [ 69.550703] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.562559] RIP: 0033:0x7fddc404df33 # [ 69.566553] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.593740] RSP: 002b:00007ffe79056fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.602214] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fddc404df33 # [ 69.616392] RDX: 0000000000000020 RSI: 00007fddc3f3e000 RDI: 0000000000000001 # [ 69.624366] RBP: 00007fddc3f3e000 R08: 00007fddc3f3d010 R09: 0000000000000000 # [ 69.638551] R10: 00007fddc41481c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.652741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.666946] irq event stamp: 0 # [ 69.676547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.683549] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.698891] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.708029] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.721252] ---[ end trace 4ca682eed2089983 ]--- # [ 69.726442] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 69.983149] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 69.993828] lkdtm: attempting good copy_to_user of correct size # [ 70.006685] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 70.169130] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.181887] lkdtm: attempting good copy_from_user of correct size # [ 70.188717] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 70.350690] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.358291] lkdtm: attempting good copy_to_user inside whitelist # [ 70.371226] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 70.527352] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.540757] lkdtm: attempting good copy_from_user inside whitelist # [ 70.547681] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 70.710314] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 70.723125] lkdtm: good_stack: ffff9df283547e20-ffff9df283547e40 # [ 70.729848] lkdtm: bad_stack : ffff9df283547da8-ffff9df283547dc8 # [ 70.742788] lkdtm: attempting good copy_to_user of local stack # [ 70.749317] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 70.887426] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 70.899884] lkdtm: good_stack: ffff9df2835bfe20-ffff9df2835bfe40 # [ 70.906606] lkdtm: bad_stack : ffff9df2835bfda8-ffff9df2835bfdc8 # [ 70.919538] lkdtm: attempting good copy_from_user of local stack # [ 70.932454] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 71.068761] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.076632] lkdtm: good_stack: ffff9df283677e20-ffff9df283677e40 # [ 71.089555] lkdtm: bad_stack : ffff9df283677ff8-ffff9df283678018 # [ 71.102501] lkdtm: attempting good copy_to_user of local stack # [ 71.115220] lkdtm: attempting bad copy_to_user of distant stack # [ 71.128062] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 71.289329] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 71.295635] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff94ada0f0 # [ 71.304344] lkdtm: attempting bad copy_to_user from kernel text: ffffffff938e2df0 # [ 71.312715] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 71.479908] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 71.492402] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 71.500294] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 71.514274] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.520987] CPU: 2 PID: 2959 Comm: cat Tainted: G D W 5.10.138-cip15 #1 # [ 71.529666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.536471] Call Trace: # [ 71.539213] dump_stack+0x77/0x9b # [ 71.549122] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 71.554276] direct_entry.cold+0x2c/0x38 # [ 71.558654] full_proxy_write+0x53/0x80 # [ 71.562933] vfs_write+0xe7/0x3a0 # [ 71.566621] ksys_write+0x68/0xf0 # [ 71.570312] do_syscall_64+0x30/0x40 # [ 71.574301] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.579941] RIP: 0033:0x7fc10c22df33 # [ 71.583929] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.604909] RSP: 002b:00007ffd7192af88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.613362] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc10c22df33 # [ 71.621329] RDX: 0000000000000012 RSI: 00007fc10c11e000 RDI: 0000000000000001 # [ 71.629296] RBP: 00007fc10c11e000 R08: 00007fc10c11d010 R09: 0000000000000000 # [ 71.637264] R10: 00007fc10c3281c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.645232] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 71.832334] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.840547] lkdtm: Calling matched prototype ... # [ 71.851933] lkdtm: Calling mismatched prototype ... # [ 71.863590] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #