[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_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 37135 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) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376172 run 169143 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8969 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 8976 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8976 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8976 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8977 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90991 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107785 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 14158 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22381 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 53524 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 13860 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 11312 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 9263 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 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 466131 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486237 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 826107 exit 39245 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113639 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139310 exit 20020 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 30854 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 6982 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2248 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 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 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5964 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 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 23482 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 23909 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 25041 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-11-11 04:13:14 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-11-11 04:13:14 UTC ELOG: Event(92) added with size 9 at 2022-11-11 04:13:14 UTC ELOG: Event(9A) added with size 9 at 2022-11-11 04:13:14 UTC ELOG: Event(16) added with size 11 at 2022-11-11 04:13:14 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(AD) added with size 10 at 2022-11-11 04:13:14 UTC ELOG: Event(9F) added with size 14 at 2022-11-11 04:13:14 UTC BS: BS_DEV_INIT times (us): entry 0 run 417677 exit 126259 ELOG: Event(A1) added with size 10 at 2022-11-11 04:13:14 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-11 04:13:14 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 25580 run 3967 exit 5188 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum da66 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 0000004c COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 538138 exit 146822 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 608 run 261816 exit 135633 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 7943234/tftp-deploy-zvi1dcq6/kernel/bzImage 7943234/tftp-deploy-zvi1dcq6/kernel/cmdline 7943234/tftp-deploy-zvi1dcq6/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7943234/tftp-deploy-zvi1dcq6/kernel/bzImy-zvi1dcq6/kernel/cmdline 7943234/tftp-deploy-zvi1dcq6/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7943234/tftp-deploy-zvi1dcq6/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 13873984 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: 7943234/tftp-deploy-zvi1dcq6/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/7943234/extract-nfsrootfs-n5kybc9w,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: 20921689 Starting kernel ... [ 0.000000] Linux version 5.10.154-cip19 (KernelCI@build-j492659-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo7rdl4) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Nov 11 03:26:58 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/7943234/extract-nfsrootfs-n5kybc9w,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 [ 0.000058] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001410] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007257] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026164] check: Scanning 1 areas for low memory corruption [ 0.026177] Using GB pages for direct mapping [ 0.027027] RAMDISK: [mem 0x377c5000-0x37ffffff] [ 0.027035] ACPI: Early table checksum verification disabled [ 0.027043] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027057] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027074] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027099] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027112] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027124] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027135] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027149] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027161] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027173] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027186] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027198] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027211] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027223] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027236] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027241] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027246] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027251] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027256] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027260] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027265] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027270] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027275] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027280] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027285] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027290] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027429] No NUMA configuration found [ 0.027435] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027445] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027490] Zone ranges: [ 0.027495] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027503] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027510] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027518] Movable zone start for each node [ 0.027522] Early memory node ranges [ 0.027528] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027533] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027538] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027544] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027580] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027626] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039067] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039169] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039195] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039558] ACPI: PM-Timer IO Port: 0x1808 [ 0.039614] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039628] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039635] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039650] Using ACPI (MADT) for SMP configuration information [ 0.039656] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039664] TSC deadline timer available [ 0.039670] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039700] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039707] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039713] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039718] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039722] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039727] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039732] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039736] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039741] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039745] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039750] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039754] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039759] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039764] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039768] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039777] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039785] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054224] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054530] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054614] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054619] Policy zone: Normal [ 0.054635] 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/7943234/extract-nfsrootfs-n5kybc9w,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055183] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055440] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055535] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.077835] Memory: 3888364K/4089052K available (18450K kernel code, 3459K rwdata, 6772K rodata, 2028K init, 13308K bss, 200428K reserved, 0K cma-reserved) [ 0.078010] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078073] Kernel/User page tables isolation: enabled [ 0.078159] ftrace: allocating 52770 entries in 207 pages [ 0.137498] ftrace: allocated 207 pages with 6 groups [ 0.137793] Running RCU self tests [ 0.137810] rcu: Hierarchical RCU implementation. [ 0.137815] rcu: RCU event tracing is enabled. [ 0.137819] rcu: RCU lockdep checking is enabled. [ 0.137824] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.137829] Rude variant of Tasks RCU enabled. [ 0.137833] Tracing variant of Tasks RCU enabled. [ 0.137838] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.137843] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.148488] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.148970] random: crng init done [ 0.149094] Console: colour dummy device 80x25 [ 0.224319] printk: console [ttyS0] enabled [ 0.224688] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.225351] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.225711] ... MAX_LOCK_DEPTH: 48 [ 0.226079] ... MAX_LOCKDEP_KEYS: 8192 [ 0.226461] ... CLASSHASH_SIZE: 4096 [ 0.226844] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.227233] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.227622] ... CHAINHASH_SIZE: 32768 [ 0.228012] memory used by lock dependency info: 6365 kB [ 0.228481] memory used for stack traces: 4224 kB [ 0.228899] per task-struct memory footprint: 1920 bytes [ 0.229430] ACPI: Core revision 20200925 [ 0.230035] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.230537] APIC: Switch to symmetric I/O mode setup [ 0.235002] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.235927] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.236833] pid_max: default: 32768 minimum: 301 [ 0.236907] LSM: Security Framework initializing [ 0.236907] SELinux: Initializing. [ 0.236907] LSM support for eBPF active [ 0.236907] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.236907] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.236907] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.236907] process: using mwait in idle threads [ 0.236907] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.236907] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.236907] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.236907] Spectre V2 : Mitigation: IBRS [ 0.236907] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.236907] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.236907] RETBleed: Mitigation: IBRS [ 0.236907] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.236907] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.236907] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.236907] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.236907] SRBDS: Vulnerable: No microcode [ 0.236907] ------------[ cut here ]------------ [ 0.236907] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.236907] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.236907] Modules linked in: [ 0.236907] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.154-cip19 #1 [ 0.236907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.236907] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.236907] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 60 1a ac a8 c6 05 70 48 e4 01 01 e8 76 b6 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.236907] RSP: 0000:ffffffffa8e03de0 EFLAGS: 00010282 [ 0.236907] RAX: 0000000000000000 RBX: ffffffffa98d2d48 RCX: 0000000000000000 [ 0.236907] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa737a891 [ 0.236907] RBP: ffffffffa879c220 R08: 0000000000000001 R09: 0000000000000001 [ 0.236907] R10: ffffffffa8e8fcc0 R11: 3fffffffffffffff R12: ffffffffa98e9f34 [ 0.236907] R13: cccccccccccccccc R14: ffffffffa879c225 R15: 0000000000000004 [ 0.236907] FS: 0000000000000000(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 [ 0.236907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.236907] CR2: ffff9081d1c01000 CR3: 0000000150426001 CR4: 00000000003706f0 [ 0.236907] Call Trace: [ 0.236907] alternative_instructions+0x7d/0x143 [ 0.236907] check_bugs+0xedd/0xf39 [ 0.236907] start_kernel+0x517/0x54d [ 0.236907] secondary_startup_64_no_verify+0xc2/0xcb [ 0.236907] irq event stamp: 162447 [ 0.236907] hardirqs last enabled at (162455): [] console_unlock+0x4d1/0x5f0 [ 0.236907] hardirqs last disabled at (162462): [] console_unlock+0x444/0x5f0 [ 0.236907] softirqs last enabled at (1824): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.236907] softirqs last disabled at (1822): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.236907] ---[ end trace fc6479f7a6067755 ]--- [ 0.236907] Fr# eeing SMP alternatives memory: 44K [ 0.236907] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.237848] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.237927] ... version: 4 [ 0.238286] ... bit width: 48 [ 0.238650] ... generic registers: 4 [ 0.238916] ... value mask: 0000ffffffffffff [ 0.239381] ... max period: 00007fffffffffff [ 0.239845] ... fixed-purpose events: 3 [ 0.239916] ... event mask: 000000070000000f [ 0.241068] rcu: Hierarchical SRCU implementation. [ 0.244026] smp: Bringing up secondary CPUs ... [ 0.245466] x86: Booting SMP configuration: [ 0.245864] .... node #0, CPUs: #1 [ 0.246429] 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. [ 0.247919] 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. [ 0.249804] #2 #3 [ 0.252603] smp: Brought up 1 node, 4 CPUs [ 0.253289] smpboot: Max logical packages: 1 [ 0.253670] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.256917] devtmpfs: initialized [ 0.257666] x86/mm: Memory block size: 128MB [ 0.263130] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.263940] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.265122] pinctrl core: initialized pinctrl subsystem [ 0.266053] PM: RTC time: 04:13:31, date: 2022-11-11 [ 0.267249] NET: Registered protocol family 16 [ 0.268689] audit: initializing netlink subsys (disabled) [ 0.268965] audit: type=2000 audit(1668140010.033:1): state=initialized audit_enabled=0 res=1 [ 0.270105] thermal_sys: Registered thermal governor 'step_wise' [ 0.270113] thermal_sys: Registered thermal governor 'user_space' [ 0.270746] cpuidle: using governor menu [ 0.271364] ACPI: bus type PCI registered [ 0.272415] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.272924] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.273556] PCI: Using configuration type 1 for base access [ 0.305001] Kprobes globally optimized [ 0.305386] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.305938] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.306753] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.310360] ACPI: Added _OSI(Module Device) [ 0.310925] ACPI: Added _OSI(Processor Device) [ 0.311323] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.311742] ACPI: Added _OSI(Processor Aggregator Device) [ 0.311935] ACPI: Added _OSI(Linux-Dell-Video) [ 0.312334] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.312819] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.329926] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.341479] ACPI: EC: EC started [ 0.341796] ACPI: EC: interrupt blocked [ 0.342955] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.343407] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.343916] ACPI: Interpreter enabled [ 0.344343] ACPI: (supports S0 S3 S4 S5) [ 0.344696] ACPI: Using IOAPIC for interrupt routing [ 0.345027] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.369518] ACPI: Power Resource [PRIC] (on) [ 0.508408] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.508932] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.510165] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.510864] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.511845] PCI host bridge to bus 0000:00 [ 0.511924] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.512517] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.512919] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.513569] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.513919] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.514568] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.514918] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.515567] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.515918] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.516567] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.516919] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.517567] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.517918] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.518571] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.518919] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.519567] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.519919] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.520568] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.520918] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.521567] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.521920] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.522521] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.524448] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.524950] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.525559] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.525929] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.527381] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.527939] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.529685] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.529951] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.531523] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.531964] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.532735] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.534095] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.534665] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.535935] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.536511] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.538136] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.538713] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.540173] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.540753] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.540954] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.542717] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.542972] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.544820] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.545167] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.546858] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.546979] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.548819] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.548971] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.550768] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.550964] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.552942] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.553514] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.555096] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.556803] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.556955] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.558646] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.558969] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.559625] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.560050] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.561728] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.561988] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.562658] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.564004] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.564567] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.566884] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.567866] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.572456] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.575413] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.575871] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.577898] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579002] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.580048] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.581118] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582181] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.583267] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.584336] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.585334] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.594318] ACPI: EC: interrupt unblocked [ 0.594694] ACPI: EC: event unblocked [ 0.594916] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.595369] ACPI: EC: GPE=0x6e [ 0.595656] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.595921] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.597181] iommu: Default domain type: Translated [ 0.598168] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.598564] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.598947] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.599451] vgaarb: loaded [ 0.600435] SCSI subsystem initialized [ 0.601233] ACPI: bus type USB registered [ 0.601773] usbcore: registered new interface driver usbfs [ 0.602003] usbcore: registered new interface driver hub [ 0.602528] usbcore: registered new device driver usb [ 0.603090] pps_core: LinuxPPS API ver. 1 registered [ 0.603528] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.603932] PTP clock support registered [ 0.605046] Advanced Linux Sound Architecture Driver Initialized. [ 0.606960] NetLabel: Initializing [ 0.607272] NetLabel: domain hash size = 128 [ 0.607660] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.608016] NetLabel: unlabeled traffic allowed by default [ 0.608625] PCI: Using ACPI for IRQ routing [ 0.616861] clocksource: Switched to clocksource tsc-early [ 1.159685] VFS: Disk quotas dquot_6.6.0 [ 1.160129] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.161274] pnp: PnP ACPI init [ 1.162653] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.163266] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.163848] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.164450] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.165053] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.165635] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.166266] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.166875] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.167477] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.168080] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.169910] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.171007] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.171867] system 00:04: [io 0x0200] has been reserved [ 1.172366] system 00:04: [io 0x0204] has been reserved [ 1.172840] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.173383] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.177411] pnp: PnP ACPI: found 6 devices [ 1.195180] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.196119] NET: Registered protocol family 2 [ 1.196697] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.199384] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.200433] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.201415] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.204351] TCP: Hash tables configured (established 32768 bind 32768) [ 1.205340] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.206353] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.207286] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.208404] NET: Registered protocol family 1 [ 1.209704] RPC: Registered named UNIX socket transport module. [ 1.210284] RPC: Registered udp transport module. [ 1.210703] RPC: Registered tcp transport module. [ 1.211138] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.212428] NET: Registered protocol family 44 [ 1.212846] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.213331] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.213959] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.214497] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.215125] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.215722] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.216339] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.216958] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.217556] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.218178] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.218784] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.219407] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.220083] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.220687] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.221309] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.221934] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.222541] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.223162] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.223769] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.224391] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.225029] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.225636] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.226258] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.227485] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.230864] PCI: CLS 64 bytes, default 64 [ 1.231717] Unpacking initramfs... [ 1.609578] Freeing initrd memory: 8428K [ 1.610063] DMAR: Host address width 39 [ 1.610444] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.611046] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.611773] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.612343] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.612832] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.613651] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.614231] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.615197] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.615880] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.616420] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.617000] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.617474] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.617987] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.620753] kvm: already loaded the other module [ 1.637902] check: Scanning for low memory corruption every 60 seconds [ 1.642612] Initialise system trusted keyrings [ 1.643335] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.670338] NFS: Registering the id_resolver key type [ 1.670831] Key type id_resolver registered [ 1.671258] Key type id_legacy registered [ 1.694638] Key type asymmetric registered [ 1.695065] Asymmetric key parser 'x509' registered [ 1.695554] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.696231] io scheduler mq-deadline registered [ 1.696634] io scheduler kyber registered [ 1.697284] test_firmware: interface ready [ 1.699690] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.701898] ACPI: AC Adapter [AC] (on-line) [ 1.702802] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.704721] ACPI: Lid Switch [LID0] [ 1.705419] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.706401] ACPI: Power Button [PWRF] [ 1.707199] ACPI: \_PR_.CP00: Found 3 idle states [ 1.708702] ACPI: \_PR_.CP01: Found 3 idle states [ 1.709953] ACPI: \_PR_.CP02: Found 3 idle states [ 1.711150] ACPI: \_PR_.CP03: Found 3 idle states [ 1.713474] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.717003] hpet_acpi_add: no address or irqs in _CRS [ 1.717765] Non-volatile memory driver v1.3 [ 1.718384] Linux agpgart interface v0.103 [ 1.718791] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.722332] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.775657] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.777182] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.778342] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.779382] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.815351] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.819975] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.844304] loop: module loaded [ 1.845695] lkdtm: No crash points registered, enable through debugfs [ 1.879136] printk: console [ttyS0] disabled [ 1.880638] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.699151] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.701899] printk: console [ttyS0] enabled [ 2.709204] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.733087] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.325117] fbcon: i915drmfb (fb0) is primary device [ 5.327633] clocksource: Switched to clocksource tsc [ 5.328509] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.338382] e100: Intel(R) PRO/100 Network Driver [ 5.338386] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.338463] e1000: Intel(R) PRO/1000 Network Driver [ 5.338465] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.338565] e1000e: Intel(R) PRO/1000 Network Driver [ 5.338568] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.338669] sky2: driver version 1.30 [ 5.339234] usbcore: registered new interface driver r8152 [ 5.339822] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.339846] ehci-pci: EHCI PCI platform driver [ 5.340304] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.340334] ohci-pci: OHCI PCI platform driver [ 5.340439] uhci_hcd: USB Universal Host Controller Interface driver [ 5.340499] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.343157] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.344487] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.346055] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.346145] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.349982] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.350055] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.350063] usb usb1: Product: xHCI Host Controller [ 5.350070] usb usb1: Manufacturer: Linux 5.10.154-cip19 xhci-hcd [ 5.350076] usb usb1: SerialNumber: 0000:00:14.0 [ 5.353246] hub 1-0:1.0: USB hub found [ 5.353538] hub 1-0:1.0: 12 ports detected [ 5.361108] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.361952] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.361972] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.362759] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.362770] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.362777] usb usb2: Product: xHCI Host Controller [ 5.362783] usb usb2: Manufacturer: Linux 5.10.154-cip19 xhci-hcd [ 5.362789] usb usb2: SerialNumber: 0000:00:14.0 [ 5.365182] hub 2-0:1.0: USB hub found [ 5.365445] hub 2-0:1.0: 6 ports detected [ 5.366525] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.366892] Console: switching to colour frame buffer device 240x67 [ 5.369741] usbcore: registered new interface driver usblp [ 5.369877] usbcore: registered new interface driver usb-storage [ 5.370682] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.370900] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.370936] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.371979] i8042: Warning: Keylock active [ 5.372318] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.375483] rtc_cmos 00:02: RTC can wake from S4 [ 5.377786] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.380482] rtc_cmos 00:02: registered as rtc0 [ 5.380758] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.382021] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.382070] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.383389] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.385292] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.385335] intel_pstate: Intel P-state driver initializing [ 5.391736] intel_pstate: HWP enabled [ 5.397302] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.404937] sdhci: Secure Digital Host Controller Interface driver [ 5.469496] 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 [ 5.469741] sdhci: Copyright(c) Pierre Ossman [ 5.596968] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.604094] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.810637] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.811824] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.819815] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.827727] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.846289] hid: raw HID events driver (C) Jiri Kosina [ 5.852509] usbcore: registered new interface driver usbhid [ 5.858747] usbhid: USB HID core driver [ 5.863570] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.881466] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.888401] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.889591] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.907242] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.909100] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.913734] gre: GRE over IPv4 demultiplexor driver [ 5.922571] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.928039] ip_gre: GRE over IPv4 tunneling driver [ 5.936018] usb 2-3: Product: USB 10/100/1000 LAN [ 5.942367] IPv4 over IPsec tunneling driver [ 5.946650] usb 2-3: Manufacturer: Realtek [ 5.951722] Initializing XFRM netlink socket [ 5.956038] usb 2-3: SerialNumber: 001000001 [ 5.961441] NET: Registered protocol family 10 [ 5.971757] Segment Routing with IPv6 [ 5.976640] ip6_gre: GRE over IPv6 tunneling driver [ 5.982359] NET: Registered protocol family 17 [ 5.987508] Key type dns_resolver registered [ 5.992965] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.999191] microcode: Microcode Update Driver: v2.2. [ 5.999198] IPI shorthand broadcast: enabled [ 6.009664] sched_clock: Marking stable (5922649833, 86981925)->(6126139480, -116507722) [ 6.019013] registered taskstats version 1 [ 6.021949] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.023622] Loading compiled-in X.509 certificates [ 6.039101] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.046272] mmc0: new HS400 MMC card at address 0001 [ 6.049232] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.053621] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.062491] PM: Magic number: 14:446:211 [ 6.066368] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.077643] printk: console [netcon0] enabled [ 6.077669] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.082528] netconsole: network logging started [ 6.099968] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.108318] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.121513] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.132787] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.133504] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.188132] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.197318] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.205310] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.210680] usb 1-9: Manufacturer: Azurewave [ 6.215462] usb 1-9: SerialNumber: 0x0001 [ 6.226948] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.273282] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.325644] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.367473] r8152 2-3:1.0 eth0: v1.11.11 [ 6.372651] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.373463] IP-Config: Failed to open gretap0 [ 6.385804] IP-Config: Failed to open erspan0 [ 6.408136] Sending DHCP requests . [ 7.991092] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.002437] r8152 2-3:1.0 eth0: carrier on [ 8.932088] ., OK [ 8.942289] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 8.951257] IP-Config: Complete: [ 8.954900] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 8.966565] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.975813] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.975815] nameserver0=192.168.201.1 [ 8.988631] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.000377] modprobe (100) used greatest stack depth: 14120 bytes left [ 9.003613] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.015169] ALSA device list: [ 9.018716] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.019948] No soundcards found. [ 9.028410] cfg80211: failed to load regulatory.db [ 9.038130] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.048103] Freeing unused kernel image (initmem) memory: 2028K [ 9.067215] Write protecting the kernel read-only data: 28672k [ 9.074876] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.082946] Freeing unused kernel image (rodata/data gap) memory: 1420K [ 9.090500] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 9.113634] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 9.169243] udevadm (124) used greatest stack depth: 13608 bytes left [ 9.333024] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.342027] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.372000] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.425275] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.435701] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.446212] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.462725] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.472979] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-c[ 9.570255] ipconfig (164) used greatest stack depth: 13464 bytes left bg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.635751] nfsmount (165) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.922022] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.960221] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.993224] systemd[1]: Set hostname to . [ 11.853354] systemd[1]: Queued start job for default target Graphical Interface. [ 11.868481] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.884691] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.900631] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.917573] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.933509] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.952472] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.974110] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.997310] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 12.013266] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 12.024186] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 12.040262] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 12.051191] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 12.062511] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 12.080396] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 12.097331] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 12.113753] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 12.129269] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 12.148336] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 12.164628] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 12.182186] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 12.198669] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 12.216926] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 12.233814] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 12.258295] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 12.278671] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 12.295878] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 12.310886] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 12.353190] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.363659] fuse: init (API version 7.32) [ 12.369841] systemd[1]: Starting Journal Service... Starting Journal Service... [ 12.388997] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 12.403855] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 12.422789] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 12.442677] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 12.458450] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 12.474236] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 12.489248] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 12.506274] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.525907] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.533012] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.549019] systemd[1]: modprobe@drm.service: Succeeded. [ 12.555779] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 12.572312] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... [ 12.677469] systemd-journald[201]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 14.276188] systemd-tmpfile (212) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Started User Login Management. [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.154-cip19 #1 SMP Fri Nov 11 03:26:58 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/7943234/extract-nfsrootfs-n5kybc9w' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7943234/extract-nfsrootfs-n5kybc9w' / # 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-7943234/environment . /lava-7943234/environment / # /lava-7943234/bin/lava-test-runner /lava-7943234/0 /lava-7943234/bin/lava-test-runner /lava-7943234/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7943234/0/tests/0_timesync-off ++ cat uuid + UUID=7943234_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7943234/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7943234_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.153-cip19-122-g149fbc7cd21d/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7943234/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-11 04:14:09-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.153-cip19-122-g149fbc7cd21d/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: 3597408 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 163KB/s kselftest.tar.xz 6%[> ] 217.50K 379KB/s kselftest.tar.xz 20%[===> ] 735.97K 703KB/s kselftest.tar.xz 66%[============> ] 2.27M 1.75MB/s kselftest.tar.xz 96%[==================> ] 3.32M 2.22MB/s kselftest.tar.xz 97%[==================> ] 3.34M 1.93MB/s kselftest.tar.xz 100%[===================>] 3.43M 1.98MB/s in 1.7s 2022-11-11 04:14:12 (1.98 MB/s) - 'kselftest.tar.xz' saved [3597408/3597408] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 49.778879] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 49.972536] lkdtm: Performing direct entry BUG [ 49.977589] ------------[ cut here ]------------ [ 49.982760] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 49.988612] invalid opcode: 0000 [#1] SMP PTI [ 49.993480] CPU: 2 PID: 729 Comm: cat Tainted: G W 5.10.154-cip19 #1 [ 50.002029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.008835] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.013206] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 50.034185] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 50.040018] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.047989] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 50.055956] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 50.063944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.071911] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 50.079878] FS: 00007fe1fb201580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 50.088913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.095351] CR2: 00007fe1fb00a000 CR3: 0000000103038005 CR4: 00000000003706e0 [ 50.103311] Call Trace: [ 50.106028] direct_entry.cold+0x2c/0x38 [ 50.110413] full_proxy_write+0x53/0x80 [ 50.114698] vfs_write+0xe7/0x3a0 [ 50.118395] ksys_write+0x68/0xf0 [ 50.122085] do_syscall_64+0x30/0x40 [ 50.126074] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.131711] RIP: 0033:0x7fe1fb1178f3 [ 50.135699] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.156675] RSP: 002b:00007ffd1d6997a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.165128] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe1fb1178f3 [ 50.173094] RDX: 0000000000000004 RSI: 00007fe1fb00a000 RDI: 0000000000000001 [ 50.181062] RBP: 00007fe1fb00a000 R08: 00007fe1fb009010 R09: 0000000000000000 [ 50.189022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.196991] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.204955] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.231443] ---[ end trace fc6479f7a6067757 ]--- [ 50.236612] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.240994] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 50.262003] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 50.267866] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.275865] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 50.283862] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 50.291862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.299862] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 50.307865] FS: 00007fe1fb201580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 50.316945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.323366] CR2: 00007fe1fb00a000 CR3: 0000000103038005 CR4: 00000000003706e0 # Segmentation fault # [ 49.972536] lkdtm: Performing direct entry BUG # [ 49.977589] ------------[ cut here ]------------ # [ 49.982760] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 49.988612] invalid opcode: 0000 [#1] SMP PTI # [ 49.993480] CPU: 2 PID: 729 Comm: cat Tainted: G W 5.10.154-cip19 #1 # [ 50.002029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.008835] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.013206] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 50.034185] RSP: 0018:ffff932041417e60 EFLAGS: 0001028[ 50.413560] lkdtm: Performing direct entry WARNING 2 # [ 50.040018] RAX: ffffffffa7adff70 RBX: 0000000000000001 [ 50.420458] ------------[ cut here ]------------ RCX: 0000000000000000 # [ 50.047989] RDX: 0000000000000000 RS[ 50.431795] WARNING: CPU: 0 PID: 765 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 I: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 50.055956] RBP:[ 50.447431] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 #[ 50.480080] CPU: 0 PID: 765 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 50.063944] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 50.494862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000000000004 # [ 50.071911] R13: ffff932041417f10 R14: f[ 50.507883] RIP: 0010:lkdtm_WARNING+0x13/0x20 fff932041417f10 R15: ffff90818295d000 # [ 50.079878] FS: 000[ 50.518978] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 07fe1fb201580(0000) GS:ffff9081fad00000(0000) knlGS:000000000000[ 50.546221] RSP: 0018:ffff93204153fe60 EFLAGS: 00010202 0000 # [ 50.088913] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 50.558244] RAX: ffffffffa7adff80 RBX: 0000000000000002 RCX: 0000000000000000 80050033 # [ 50.095351] CR2: 00007fe1fb00a000 CR3: 0000000103[ 50.572467] RDX: 0000000000000000 RSI: ffff9081fac1bf70 RDI: ffffffffa879bda0 038005 CR4: 00000000003706e0 # [ 50.103311] Call Trace: # [ [ 50.586649] RBP: ffffffffa8b838af R08: 0000000000000000 R09: 0000000000000000 50.106028] direct_entry.cold+0x2c/0x38 # [ 50.110413] ful[ 50.600857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 l_proxy_write+0x53/0x80 # [ 50.114698] vfs_write+0xe7/0x3a0 [ 50.615040] R13: ffff93204153ff10 R14: ffff93204153ff10 R15: ffff908184e95000 # [ 50.118395] ksys_write+0x68/0xf0 # [ 50.122085] do_sy[ 50.629248] FS: 00007f5e6d969580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 scall_64+0x30/0x40 # [ 50.126074] entry_SYSCALL_64_after_hwf[ 50.644494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rame+0x61/0xc6 # [ 50.131711] RIP: 0033:0x7fe1fb1178f3 # [ [ 50.657132] CR2: 00007f5e6d772000 CR3: 00000001032e2006 CR4: 00000000003706f0 50.135699] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff f[ 50.671306] Call Trace: f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 50.680230] direct_entry.cold+0x2c/0x38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 50.690871] full_proxy_write+0x53/0x80 c 28 48 89 54 24 18 # [ 50.156675] RSP: 002b:00007ffd1d6997a8[ 50.701313] vfs_write+0xe7/0x3a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.165128] R[ 50.711255] ksys_write+0x68/0xf0 AX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe1fb1178f3[ 50.721156] do_syscall_64+0x30/0x40 # [ 50.173094] RDX: 0000000000000004 RSI: 00007fe1fb00a000 R[ 50.731410] entry_SYSCALL_64_after_hwframe+0x61/0xc6 DI: 0000000000000001 # [ 50.181062] RBP: 00007fe1fb00a000 R08[ 50.743240] RIP: 0033:0x7f5e6d87f8f3 : 00007fe1fb009010 R09: 0000000000000000 # [ 50.189022] R10: [ 50.753448] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.780629] RSP: 002b:00007ffe9890a108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.196991] R13: 0000000000000001 R14: 0000000000020000 R15: [ 50.795294] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f5e6d87f8f3 0000000000020000 # [ 50.204955] Modules linked in: fuse ip_ta[ 50.809471] RDX: 0000000000000008 RSI: 00007f5e6d772000 RDI: 0000000000000001 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 50.823665] RBP: 00007f5e6d772000 R08: 00007f5e6d771010 R09: 0000000000000000 _buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar [ 50.837864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_the[ 50.852053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rmal cros_ec_dev cros_usbpd_notify # [ 50.231443] ---[ end tr[ 50.866262] irq event stamp: 0 ace fc6479f7a6067757 ]--- # [ 50.236612] RIP: 0010:lkdtm_BUG+[ 50.875845] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0x5/0x10 # [ 50.240994] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 e[ 50.889104] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 a ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4[ 50.904471] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 0[ 50.919827] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 50.262003] RSP: 0018:f[ 50.933026] ---[ end trace fc6479f7a6067758 ]--- fff932041417e60 EFLAGS: 00010282 # [ 50.267866] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.275865] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 50.283862] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 50.291862] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.299862] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 50.307865] FS: 00007fe1fb201580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 50.316945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.323366] CR2: 00007fe1fb00a000 CR3: 0000000103038005 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 50.413560] lkdtm: Performing d[ 51.022710] lkdtm: Performing direct entry WARNING_MESSAGE irect entry WARNING # [ 50.420458] ------------[ cut here ]--[ 51.031359] ------------[ cut here ]------------ ---------- # [ 50.431795] WARNING: CPU: 0 PID: 765 at drivers[ 51.042728] Warning message trigger count: 2 /misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 50.447431] [ 51.053730] WARNING: CPU: 0 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 51.070160] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 51.102793] CPU: 0 PID: 800 Comm: cat Tainted: G D W 5.10.154-cip19 #1 _ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_[ 51.117552] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.130607] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.480080] CPU: 0 PID: 765 Comm: cat Tainted: G D W [ 51.142431] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 92 02 48 c7 c7 10 3e b8 a8 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 5.10.154-cip19 #1 # [ 50.494862] Hardware name: Googl[ 51.169677] RSP: 0018:ffff9320415b7e60 EFLAGS: 00010286 e Rammus/Rammus, BIOS 09/04/2020 # [ 50.507883] RIP: 0010:lk[ 51.181713] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 dtm_WARNING+0x13/0x20 # [ 50.518978] Code: c0 f4 ff ff ff eb [ 51.195903] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 51.210111] RBP: ffffffffa8b838b7 R08: 0000000000000000 R09: 0000000000000000 0 83 05 a0 c6 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc [ 51.224295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 # [ 50.546221[ 51.238499] R13: ffff9320415b7f10 R14: ffff9320415b7f10 R15: ffff908184e66000 ] RSP: 0018:ffff93204153fe60 EFLAGS: 00010202 # [ 50.558244] [ 51.252665] FS: 00007fab2b5ac580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 RAX: ffffffffa7adff80 RBX: 0000000000000002 RCX: 000000000000000[ 51.267930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 50.572467] RDX: 0000000000000000 RSI: ffff9081fac1bf70 [ 51.280540] CR2: 00007fab2b3b5000 CR3: 00000001031be004 CR4: 00000000003706f0 RDI: ffffffffa879bda0 # [ 50.586649] RBP: ffffffffa8b838af R0[ 51.294699] Call Trace: 8: 0000000000000000 R09: 0000000000000000 # [ 50.600857] R10:[ 51.303674] direct_entry.cold+0x2c/0x38 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 #[ 51.314228] full_proxy_write+0x53/0x80 [ 50.615040] R13: ffff93204153ff10 R14: ffff93204153ff10 R15:[ 51.324731] vfs_write+0xe7/0x3a0 ffff908184e95000 # [ 50.629248] FS: 00007f5e6d969580(0000) [ 51.334638] ksys_write+0x68/0xf0 GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 50.64449[ 51.344550] do_syscall_64+0x30/0x40 4] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.6[ 51.354744] entry_SYSCALL_64_after_hwframe+0x61/0xc6 57132] CR2: 00007f5e6d772000 CR3: 00000001032e2006 CR4: 00000000[ 51.366624] RIP: 0033:0x7fab2b4c28f3 003706f0 # [ 50.671306] Call Trace: # [ 50.680230] direct[ 51.376842] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 _entry.cold+0x2c/0x38 # [ 50.690871] full_proxy_write+0x53/0[ 51.404045] RSP: 002b:00007ffe34024918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 x80 # [ 50.701313] vfs_write+0xe7/0x3a0 # [ 50.711255] k[ 51.418702] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fab2b4c28f3 sys_write+0x68/0xf0 # [ 50.721156] do_syscall_64+0x30/0x40 [ 51.432934] RDX: 0000000000000010 RSI: 00007fab2b3b5000 RDI: 0000000000000001 # [ 50.731410] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 51.447135] RBP: 00007fab2b3b5000 R08: 00007fab2b3b4010 R09: 0000000000000000 50.743240] RIP: 0033:0x7f5e6d87f8f3 # [ 50.753448] Code: 8b[ 51.461325] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 51.475496] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 51.489721] irq event stamp: 0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.499345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.780629] RSP: 002b:00007ffe9890a108 EFLAGS: 00000246 OR[ 51.512547] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 IG_RAX: 0000000000000001 # [ 50.795294] RAX: ffffffffffffffda[ 51.527957] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 RBX: 0000000000000008 RCX: 00007f5e6d87f8f3 # [ 50.809471] R[ 51.543295] softirqs last disabled at (0): [<0000000000000000>] 0x0 DX: 0000000000000008 RSI: 00007f5e6d772000 RDI: 0000000000000001[ 51.556546] ---[ end trace fc6479f7a6067759 ]--- # [ 50.823665] RBP: 00007f5e6d772000 R08: 00007f5e6d771010 R09: 0000000000000000 # [ 50.837864] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.852053] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.866262] irq event stamp: 0 # [ 50.875845] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.889104] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.904471] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.919827] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.933026] ---[ end trace fc6479f7a6067758 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 51.022710] lkdtm: Performing direct entry WARNING_MESSAGE # [ 51.031359] ------------[ cut here ]------------ # [ 51.042728] Warning message trigger count: 2 # [ 51.053730] WARNING: CPU: 0 PID: 800 at drivers/misc/lkd[ 51.661085] lkdtm: Performing direct entry EXCEPTION tm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 51.070160] M[ 51.672929] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 51.686900] #PF: supervisor write access in kernel mode [ 51.692723] #PF: error_code(0x0002) - not-present page [ 51.698456] PGD 0 P4D 0 [ 51.701280] Oops: 0002 [#2] SMP PTI [ 51.705172] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 51.713724] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.720530] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 odules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors[ 51.725489] Code: 48 c7 c7 10 3e b8 a8 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 51.752681] RSP: 0018:ffff932041637e60 EFLAGS: 00010282 [ 51.758513] RAX: ffffffffa7adffd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 51.766483] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffffffffa879bdc0 [ 51.774452] RBP: ffffffffa8ab8bb7 R08: 0000000000000000 R09: 0000000000000000 [ 51.782420] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 51.790388] R13: ffff932041637f10 R14: ffff932041637f10 R15: ffff90818356d000 [ 51.798358] FS: 00007fb2e94ad580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 51.807395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.813810] CR2: 0000000000000000 CR3: 000000010557e003 CR4: 00000000003706e0 [ 51.821779] Call Trace: [ 51.824506] direct_entry.cold+0x2c/0x38 _core industrialio_triggered_buffer kfifo_buf industrialio cros_[ 51.828886] full_proxy_write+0x53/0x80 [ 51.839376] vfs_write+0xe7/0x3a0 ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_e[ 51.843075] ksys_write+0x68/0xf0 [ 51.852993] do_syscall_64+0x30/0x40 c_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.856984] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.868834] RIP: 0033:0x7fb2e93c38f3 # [ 51.102793] CPU: 0 PID: 800 Comm: cat Tainted: G D W [ 51.872824] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.900019] RSP: 002b:00007fff90309fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.908476] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb2e93c38f3 [ 51.916444] RDX: 000000000000000a RSI: 00007fb2e92b6000 RDI: 0000000000000001 [ 51.924414] RBP: 00007fb2e92b6000 R08: 00007fb2e92b5010 R09: 0000000000000000 [ 51.932382] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.940351] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.154-cip19 #1 # [ 51.117552] Hardware name: Google[ 51.948323] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.980959] CR2: 0000000000000000 [ 51.984656] ---[ end trace fc6479f7a606775a ]--- [ 51.989810] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.994188] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 52.015163] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 52.021002] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.028971] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 52.036942] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 52.044912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.052905] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 52.060873] FS: 00007fb2e94ad580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 52.069912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.076320] CR2: 0000000000000000 CR3: 000000010557e003 CR4: 00000000003706e0 [ 52.084288] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.094200] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 832, name: cat [ 52.102557] INFO: lockdep is turned off. [ 52.106940] irq event stamp: 0 [ 52.110345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.117345] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.126478] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.135612] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.142611] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 52.151160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.157965] Call Trace: [ 52.160693] dump_stack+0x77/0x9b Rammus/Rammus, BIOS 09/04/2020 # [ 51.130607] RIP: 0010:lkd[ 52.164392] ___might_sleep.cold+0xa6/0xb6 [ 52.175178] exit_signals+0x1c/0x2e0 [ 52.179168] do_exit+0xd5/0xb00 [ 52.182672] ? ksys_write+0x68/0xf0 [ 52.186565] rewind_stack_do_exit+0x17/0x20 [ 52.191236] RIP: 0033:0x7fb2e93c38f3 [ 52.195215] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.216197] RSP: 002b:00007fff90309fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.224653] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb2e93c38f3 [ 52.232621] RDX: 000000000000000a RSI: 00007fb2e92b6000 RDI: 0000000000000001 [ 52.240591] RBP: 00007fb2e92b6000 R08: 00007fb2e92b5010 R09: 0000000000000000 [ 52.248559] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.256529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tm_WARNING_MESSAGE+0x20/0x30 # [ 51.142431] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 c6 92 02 48 c7 c7 10 3e b8 a8 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 51.169677] RSP: 0018:ffff9320415b7e60 EFLAGS: 00010286 # [ 51.181713] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 51.195903] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 # [ 51.210111] RBP: ffffffffa8b838b7 R08: 0000000000000000 R09: 0000000000000000 # [ 51.224295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 51.238499] R13: ffff9320415b7f10 R14: ffff9320415b7f10 R15: ffff908184e66000 # [ 51.252665] FS: 00007fab2b5ac580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 51.267930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.280540] CR2: 00007fab2b3b5000 CR3: 00000001031be004 CR4: 00000000003706f0 # [ 51.294699] Call Trace: # [ 51.303674] direct_entry.cold+0x2c/0x38 # [ 51.314228] full_proxy_write+0x53/0x80 # [ 51.324731] vfs_write+0xe7/0x3a0 # [ 51.334638] ksys_write+0x68/0xf0 # [ 51.344550] do_syscall_64+0x30/0x40 # [ 51.354744] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.366624] RIP: 0033:0x7fab2b4c28f3 # [ 51.376842] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.404045] RSP: 002b:00007ffe34024918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.418702] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fab2b4c28f3 # [ 51.432934] RDX: 0000000000000010 RSI: 00007fab2b3b5000 RDI: 0000000000000001 # [ 51.447135] RBP: 00007fab2b3b5000 R08: 00007fab2b3b4010 R09: 0000000000000000 # [ 51.461325] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.475496] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.489721] irq event stamp: 0 # [ 51.499345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.512547] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.527957] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.543295] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.499553] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 52.506919] lkdtm: attempting good list addition [ 52.512083] lkdtm: attempting corrupted list addition [ 52.517731] lkdtm: list_add() corruption not detected! [ 51.556546] ---[ end trace fc6479f7a6067759 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 51.661085] lkdtm: Performing direct entry EXCEPTION # [ 51.672929] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 51.686900] #PF: supervisor write access in kernel mode # [ 51.692723] #PF: error_code(0x0002) - not-present page # [ 51.698456] PGD 0 P4D 0 # [ 51.701280] Oops: 0002 [#2] SMP PTI # [ 51.705172] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 51.713724] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.720530] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 51.725489] Code: 48 c7 c7 10 3e b8 a8 8d 70 01 89 35 71 c6 92 02 e8 4b 48 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 51.752681] RSP: 0018:ffff932041637e60 EFLAGS: 00010282 # [ 51.758513] RAX: ffffffffa7adffd0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 51.766483] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffffffffa879bdc0 # [ 51.774452] RBP: ffffffffa8ab8bb7 R08: 0000000000000000 R09: 0000000000000000 # [ 51.782420] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 51.790388] R13: ffff932041637f10 R14: ffff932041637f10 R15: ffff90818356d000 # [ 51.798358] FS: 00007fb2e94ad580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 51.807395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.813810] CR2: 0000000000000000 CR3: 000000010557e003 CR[ 52.683649] lkdtm: Performing direct entry CORRUPT_LIST_DEL 4: 00000000003706e0 # [ 51.821779] Call Trace: # [ 51.8245[ 52.691287] lkdtm: attempting good list removal 06] direct_entry.cold+0x2c/0x38 # [ 51.828886] full_proxy_w[ 52.702589] lkdtm: attempting corrupted list removal rite+0x53/0x80 # [ 51.839376] vfs_write+0xe7/0x3a0 # [ 51[ 52.714349] lkdtm: list_del() corruption not detected! .843075] ksys_write+0x68/0xf0 # [ 51.852993] do_syscall_64+0x30/0x40 # [ 51.856984] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.868834] RIP: 0033:0x7fb2e93c38f3 # [ 51.872824] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.900019] RSP: 002b:00007fff90309fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.908476] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb2e93c38f3 # [ 51.916444] RDX: 000000000000000a RSI: 00007fb2e92b6000 RDI: 0000000000000001 # [ 51.924414] RBP: 00007fb2e92b6000 R08: 00007fb2e92b5010 R09: 0000000000000000 # [ 51.932382] R10: fffffffff[ 52.798615] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.94[ 52.807856] lkdtm: attempting bad read from page below current stack 0351] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 52.821192] BUG: stack guard page was hit at 00000000ff3c769b (stack is 0000000057788cac..000000000069a594) [ 52.838265] kernel stack overflow (page fault): 0000 [#3] SMP PTI 0020000 # [ 51.948323] Modules linked in: fuse ip_tables cros[ 52.845070] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 52.859940] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.866748] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 52.873263] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 b0 41 b8 a8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 f0 41 b8 a8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 52.900455] RSP: 0018:ffff932041947e50 EFLAGS: 00010246 [ 52.906287] RAX: 0000000000000038 RBX: ffff932041944000 RCX: 0000000000000000 [ 52.914255] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffffffffa8b841f0 [ 52.922222] RBP: ffffffffa8b8391a R08: 0000000000000000 R09: 0000000000000000 [ 52.930189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 52.938157] R13: ffff932041947f10 R14: ffff932041947f10 R15: ffff9081848ef000 [ 52.946124] FS: 00007f6ad8b29580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 52.955160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.961575] CR2: ffff932041943fff CR3: 00000001034c2001 CR4: 00000000003706e0 [ 52.969540] Call Trace: [ 52.972268] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 52.977326] direct_entry.cold+0x2c/0x38 [ 52.981694] full_proxy_write+0x53/0x80 fifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_s[ 52.985991] vfs_write+0xe7/0x3a0 [ 52.995905] ksys_write+0x68/0xf0 [ 52.999603] do_syscall_64+0x30/0x40 [ 53.003592] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.009223] RIP: 0033:0x7f6ad8a3f8f3 [ 53.013201] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.034178] RSP: 002b:00007ffc64336af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.042633] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6ad8a3f8f3 [ 53.050601] RDX: 0000000000000019 RSI: 00007f6ad8932000 RDI: 0000000000000001 [ 53.058567] RBP: 00007f6ad8932000 R08: 00007f6ad8931010 R09: 0000000000000000 [ 53.066536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.074503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros[ 53.082476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.115116] ---[ end trace fc6479f7a606775b ]--- [ 53.120273] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.124649] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 53.145631] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 53.151455] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.159424] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 53.167391] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 53.175358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.183328] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 53.191297] FS: 00007f6ad8b29580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 53.200333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.206746] CR2: ffff932041943fff CR3: 00000001034c2001 CR4: 00000000003706e0 [ 53.214714] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.224617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat [ 53.233071] INFO: lockdep is turned off. [ 53.237446] irq event stamp: 0 [ 53.240850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.247850] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.256992] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.266125] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.273122] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 53.281769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.288572] Call Trace: [ 53.291299] dump_stack+0x77/0x9b _ec_dev cros_usbpd_notify # [ 51.980959] CR2: 000000000000000[ 53.294997] ___might_sleep.cold+0xa6/0xb6 [ 53.305779] exit_signals+0x1c/0x2e0 [ 53.309769] do_exit+0xd5/0xb00 [ 53.313273] ? ksys_write+0x68/0xf0 [ 53.317167] rewind_stack_do_exit+0x17/0x20 0 # [ 51.984656] ---[ end trace fc6479f7a606775a ]--- # [ [ 53.321835] RIP: 0033:0x7f6ad8a3f8f3 [ 53.332035] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.353017] RSP: 002b:00007ffc64336af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.361461] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6ad8a3f8f3 [ 53.369430] RDX: 0000000000000019 RSI: 00007f6ad8932000 RDI: 0000000000000001 [ 53.377399] RBP: 00007f6ad8932000 R08: 00007f6ad8931010 R09: 0000000000000000 [ 53.385368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.393336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 51.989810] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.994188] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 52.015163] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 52.021002] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.028971] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 52.036942] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 52.044912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.052905] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 52.060873] FS: 00007fb2e94ad580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 52.069912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.076320] CR2: 0000000000000000 CR3: 000000010557[ 53.490770] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING e003 CR4: 00000000003706e0 # [ 52.084288] BUG: sleeping funct[ 53.501642] lkdtm: attempting bad read from page above current stack ion called from invalid context at include/linux/percpu-rwsem.h:[ 53.514964] BUG: stack guard page was hit at 00000000ce2c88ab (stack is 0000000022d7a9d9..0000000062c73814) [ 53.532055] kernel stack overflow (page fault): 0000 [#4] SMP PTI 49 # [ 52.094200] in_atomic(): 0, irqs_disabled(): 1, non_blo[ 53.538861] CPU: 1 PID: 1090 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 53.553720] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ck[: 0, pid: 832, name: cat # [ 52.102557] INFO: lockdep is tu 53.560528] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 53.573355] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 28 42 b8 a8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 68 42 b8 a8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 53.594340] RSP: 0018:ffff9320419f7e50 EFLAGS: 00010246 [ 53.600174] RAX: 0000000000000038 RBX: ffff9320419f4000 RCX: 0000000000000000 [ 53.608144] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffffffffa8b84268 [ 53.616115] RBP: ffffffffa8b83933 R08: 0000000000000000 R09: 0000000000000000 [ 53.624085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 53.632055] R13: ffff9320419f7f10 R14: ffff9320419f7f10 R15: ffff908184c20000 [ 53.640025] FS: 00007f824728f580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 53.649064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.655479] CR2: ffff9320419f8000 CR3: 0000000103434001 CR4: 00000000003706e0 [ 53.663449] Call Trace: [ 53.666177] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a rned off. # [ 52.106940] irq event stamp: 0 # [ 52.110345][ 53.672013] direct_entry.cold+0x2c/0x38 [ 53.682604] full_proxy_write+0x53/0x80 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 53.686888] vfs_write+0xe7/0x3a0 [ 53.696798] ksys_write+0x68/0xf0 [ 53.700489] do_syscall_64+0x30/0x40 [ 53.704479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.710120] RIP: 0033:0x7f82471a58f3 [ 53.714107] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.735087] RSP: 002b:00007ffcf0eb67e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.743542] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f82471a58f3 [ 53.751509] RDX: 000000000000001a RSI: 00007f8247098000 RDI: 0000000000000001 [ 53.759477] RBP: 00007f8247098000 R08: 00007f8247097010 R09: 0000000000000000 [ 53.767446] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.775414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 52.117345] hardirqs last disabled at (0): [] c[ 53.783388] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.816030] ---[ end trace fc6479f7a606775c ]--- [ 53.821185] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.825562] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 53.846546] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 53.852381] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.860353] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 53.868314] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 53.876284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.884253] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 53.892224] FS: 00007f824728f580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 53.901261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.907676] CR2: ffff9320419f8000 CR3: 0000000103434001 CR4: 00000000003706e0 opy_process+0x640/0x1c80 # [ 52.126478] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.135612] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.142611] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 52.151160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.157965] Call Trace: # [ 52.160693] dump_stack+0x77/0x9b # [ 52.164392] ___might_sleep.cold+0xa6/0xb6 # [ 52.175178] exit_signals+0x1c/0x2e0 # [ 52.179168] do_exit+0xd5/0xb00 # [ 52.182672] ? ksys_write+0x68/0xf0 # [ 52.186565] rewind_stack_do_exit+0x17/0x20 # [ 52.191236] RIP: 0033:0x7fb2e93c38f3 # [ 52.195215] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 53.997965] lkdtm: Performing direct entry UNSET_SMEP 8 89 54 24 18 # [ 52.216197] RSP: 002b:00007fff90309fe8 EFLAG[ 54.008323] lkdtm: trying to clear SMEP normally S: 00000246 ORIG_RAX: 0000000000000001 # [ 52.224653] RAX: ff[ 54.019727] ------------[ cut here ]------------ ffffffffffffda RBX: 000000000000000a RCX: 00007fb2e93c38f3 # [ [ 54.031094] pinned CR4 bits changed: 0x100000!? 52.232621] RDX: 000000000000000a RSI: 00007fb2e92b6000 RDI: 00[ 54.042373] WARNING: CPU: 0 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 00000000000001 # [ 52.240591] RBP: 00007fb2e92b6000 R08: 0000[ 54.058808] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7fb2e92b5010 R09: 0000000000000000 # [ 52.248559] R10: ffffff[ 54.091443] CPU: 0 PID: 1126 Comm: cat Tainted: G D W 5.10.154-cip19 #1 fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52[ 54.106323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .256529] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 54.119353] RIP: 0010:native_write_cr4+0x45/0x60 0000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: [ 54.130718] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a8 8e e3 01 00 75 f2 48 c7 c7 10 2c ac a8 c6 05 98 8e e3 01 01 e8 86 fc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOO[ 54.130719] RSP: 0018:ffff932041a6fe48 EFLAGS: 00010286 [ 54.130722] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 P: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # se[ 54.177952] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 lftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corr[ 54.192166] RBP: ffffffffa8b8394d R08: 0000000000000000 R09: 0000000000000000 upts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh [ 54.206373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT[ 54.220602] R13: ffff932041a6ff10 R14: ffff932041a6ff10 R15: ffff908183029000 _STACK: Crashes entire system on success ok 8 selftests: lkdtm:[ 54.234754] FS: 00007f43cc262580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRO[ 54.250055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 NG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on[ 54.262691] CR2: 00007f43cc06b000 CR3: 00000001027bc004 CR4: 00000000003706f0 success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP [ 54.276862] Call Trace: # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 52.499553] lkdtm[ 54.285867] lkdtm_UNSET_SMEP.cold+0x1d/0x103 : Performing direct entry CORRUPT_LIST_ADD # [ 52.506919] lkd[ 54.296879] direct_entry.cold+0x2c/0x38 tm: attempting good list addition # [ 52.512083] lkdtm: attem[ 54.307486] full_proxy_write+0x53/0x80 pting corrupted list addition # [ 52.517731] lkdtm: list_add([ 54.318002] vfs_write+0xe7/0x3a0 ) corruption not detected! # CORRUPT_LIST_ADD: missing 'list_ad[ 54.327900] ksys_write+0x68/0xf0 d corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_[ 54.337845] do_syscall_64+0x30/0x40 ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ [ 54.348068] entry_SYSCALL_64_after_hwframe+0x61/0xc6 52.683649] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ [ 54.359930] RIP: 0033:0x7f43cc1788f3 52.691287] lkdtm: attempting good list removal # [ 52.70258[ 54.370140] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 9] lkdtm: attempting corrupted list removal # [ 52.714349] lk[ 54.397322] RSP: 002b:00007ffdf8fa3278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 dtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: mi[ 54.411994] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f43cc1788f3 ssing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm:[ 54.426176] RDX: 000000000000000b RSI: 00007f43cc06b000 RDI: 0000000000000001 CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_P[ 54.440406] RBP: 00007f43cc06b000 R08: 00007f43cc06a010 R09: 0000000000000000 AGE_LEADING.sh # Segmentation fault # [ 52.798615] lkdtm: Pe[ 54.454546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 rforming direct entry STACK_GUARD_PAGE_LEADING # [ 52.807856][ 54.468771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: attempting bad read from page below current stack # [ [ 54.482989] irq event stamp: 0 52.821192] BUG: stack guard page was hit at 00000000ff3c769b (s[ 54.492573] hardirqs last enabled at (0): [<0000000000000000>] 0x0 tack is 0000000057788cac..000000000069a594) # [ 52.838265] ke[ 54.505836] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 rnel stack overflow (page fault): 0000 [#3] SMP PTI # [ 52.84[ 54.521201] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 5070] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.1[ 54.536523] softirqs last disabled at (0): [<0000000000000000>] 0x0 0.154-cip19 #1 # [ 52.859940] Hardware name: Google Rammus/Ra[ 54.549776] ---[ end trace fc6479f7a606775d ]--- mmus, BIOS 09/04/2020 # [ 52.866748] RIP: 0010:lkdtm_STACK_G[ 54.561104] lkdtm: ok: SMEP did not get cleared UARD_PAGE_LEADING+0x27/0x3a # [ 52.873263] Code: cc cc cc 0f [ 54.572459] lkdtm: trying to clear SMEP with call gadget 1f 44 00 00 53 48 c7 c7 b0 41 b8 a8 50 65 48 8b 04 25 40 b0 01 0[ 54.584558] lkdtm: ok: SMEP removal was reverted 0 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 f0 41 b8 a8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 52.900455] RSP: 0018:ffff932041947e50 EFLAGS: 00010246 # [ 52.906287] RAX: 0000000000000038 RBX: ffff932041944000 RCX: 0000000000000000 # [ 52.914255] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffffffffa8b841f0 # [ 52.922222] RBP: ffffffffa8b8391a R08: 0000000000000000 R09: 0000000000000000 # [ 52.930189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 52.938157] R13: ffff932041947f10 R14: ffff932041947f10 R15: ffff9081848ef000 # [ 52.946124] FS: 00007f6ad8b29580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 52.955160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.961575] CR2: ffff932041943fff CR3: 00000001034c2001 CR4: 00000000003706e0 # [ 52.969540] Call Trace: # [ 52.972268] [ 54.676681] lkdtm: Performing direct entry DOUBLE_FAULT ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 52.977326] direct_ent[ 54.688735] lkdtm: XFAIL: this test is ia32-only ry.cold+0x2c/0x38 # [ 52.981694] full_proxy_write+0x53/0x80 # [ 52.985991] vfs_write+0xe7/0x3a0 # [ 52.995905] ksys_write+0x68/0xf0 # [ 52.999603] do_syscall_64+0x30/0x40 # [ 53.003592] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.009223] RIP: 0033:0x7f6ad8a3f8f3 # [ 53.013201] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.034178] RSP: 002b:00007ffc64336af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.042633] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6ad8a3f8f3 # [ 53.050601] RDX: 0000000000000019 RSI: 00007f6ad8932000 RDI: 0000000000000001 # [ 54.772888] lkdtm: Performing direct entry CORRUPT_PAC [ 54.780423] lkdtm: XFAIL: this test is arm64-only [ 53.058567] RBP: 00007f6ad8932000 R08: 00007f6ad8931010 R09: 0000000000000000 # [ 53.066536] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.074503] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.082476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.115116] ---[ end trace fc6479f7a606775b ]--- # [ 53.120273] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.124649] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 53.145631] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 53.151455] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.159424] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 53.167391] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 53.175358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.183328] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 53.191297] FS: 00007f6ad8b29580(0000) GS:ffff9081fac80000(0000) knlGS:00000[ 54.917424] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 54.929670] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 00000000000 # [ 53.200333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.206746] CR2: ffff932041943fff CR3: 00000001034c2001 CR4: 00000000003706e0 # [ 53.214714] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.224617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat # [ 53.233071] INFO: lockdep is turned off. # [ 53.237446] irq event stamp: 0 # [ 53.240850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.247850] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.256992] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.266125] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.273122] CPU: 1 PID: 1057 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 53.281769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.288572] Call Trace: # [ 53.291299] dump_stack+0x77/0x9b # [ 53.294997] ___might_sleep.cold+0xa6/0xb6 # [ 53.305779] exit_signals+0x1c/0x2e0 # [ 53.309769] do_exit+0xd5/0xb00 # [ 53.313273] ? ksys_write+0x68/0xf0 # [ 53.317167] rewind_stack_do_exit+0x17/0x20 # [ 53.321835] RIP: 0033:0x7f6ad8a3f8f3 # [ 53.332035] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 55.074539] lkdtm: Performing direct entry READ_AFTER_FREE 83 ec 28 48 89 54 24 18 # [ 53.353017] RSP: 002b:00007ffc643[ 55.086437] lkdtm: Value in memory before free: 12345678 36af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.3614[ 55.098563] lkdtm: Attempting bad read from freed memory 61] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6ad8a[ 55.110708] lkdtm: Memory was not poisoned 3f8f3 # [ 53.369430] RDX: 0000000000000019 RSI: 00007f6ad8932000 RDI: 0000000000000001 # [ 53.377399] RBP: 00007f6ad8932000 R08: 00007f6ad8931010 R09: 0000000000000000 # [ 53.385368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.393336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 53.490770] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 53.501642] lkdtm: attempting bad read from page above current stack # [ 53.514964] BUG: stack guard page was hit at 00000000ce2c88ab (stack is 0000000022d7a9d9..0000000062c73814) # [ 53.532055] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 53.538861] CPU: 1 PID: 1090 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 53.553720] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.560528] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 55.223776] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 55.233874] lkdtm: Value in memory before free: 12345678 [ 55.239816] lkdtm: Attempting to read from freed memory # [ 53.573355] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 28 42[ 55.245662] lkdtm: Buddy page was not poisoned b8 a8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 68 42 b8 a8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 53.594340] RSP: 0018:ffff9320419f7e50 EFLAGS: 00010246 # [ 53.600174] RAX: 0000000000000038 RBX: ffff9320419f4000 RCX: 0000000000000000 # [ 53.608144] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffffffffa8b84268 # [ 53.616115] RBP: ffffffffa8b83933 R08: 0000000000000000 R09: 0000000000000000 # [ 53.624085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 53.632055] R13: ffff9320419f7f10 R14: ffff9320419f7f10 R15: ffff908184c20000 # [ 53.640025] FS: 00007f824728f580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 53.649064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.655479] CR2: ffff9320419f8000 CR3: 0000000103434001 CR4: 00000000003706e0 # [ 53.6634[ 55.342610] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 49] Call Trace: # [ 53.666177] ? lkdtm_STACK_GUARD_PAGE_LEAD[ 55.350179] lkdtm: Attempting double slab free ... ING+0x3a/0x3a # [ 53.672013] direct_entry.cold+0x2c/0x38 # [ 53.682604] full_proxy_write+0x53/0x80 # [ 53.686888] vfs_write+0xe7/0x3a0 # [ 53.696798] ksys_write+0x68/0xf0 # [ 53.700489] do_syscall_64+0x30/0x40 # [ 53.704479] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.710120] RIP: 0033:0x7f82471a58f3 # [ 53.714107] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.735087] RSP: 002b:00007ffcf0eb67e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.743542] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f82471a58f3 # [ 53.751509] RDX: 000000000000001a RSI: 00007f8247098000 RDI: 0000000000000001 # [ 53.759477] RBP: 00007f8247098000 R08: 00007f8247097010 R09: 0000000000000000 # [[ 55.446604] lkdtm: Performing direct entry SLAB_FREE_CROSS 53.767446] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0[ 55.454870] lkdtm: Attempting cross-cache slab free ... 000000000000001 # [ 53.775414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.783388] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.816030] ---[ end trace fc6479f7a606775c ]--- # [ 53.821185] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.825562] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 53.846546] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 53.852381] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.860353] RDX: 0000000000000000 RSI: ffff9081fad[ 55.550440] lkdtm: Performing direct entry SLAB_FREE_PAGE 1bf70 RDI: ffffffffa879bd90 # [ 53.868314] RBP: ffffffffa8bde[ 55.560022] lkdtm: Attempting non-Slab slab free ... e80 R08: 0000000000000001 R09: 0000000000000001 # [ 53.876284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.884253] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 53.892224] FS: 00007f824728f580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 53.901261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.907676] CR2: ffff9320419f8000 CR3: 0000000103434001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 53.997965] lkdtm: Performing direct entry UNSET_SMEP # [ 54.008323] lkdtm: trying to clear SMEP normally # [ 54.019727] ------------[ cut here ]------------ # [ 54.031094] pinned CR4 bits changed: 0x100000!? # [ 54.042373] WARNING: CPU: 0 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 54.058808] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.091443] CPU: 0 PID: 1126 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 54.106323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.119353] RIP: 0010:native_write_cr4+0x45/0x60 # [ 54.130718] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a8 8e e3 01 00 75 f2 48 c7 c7 10 2c ac a8 c6 05 98 8e e3 01 01 e8 86 fc e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 54.130719] RSP: 0018:ffff932041a6fe48 EFLAGS: 00010286 # [ 54.130722] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 54.177952] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 # [ 54.192166] RBP: ffffffffa8b8394d R08: 0000000000000000 R09: 0000000000000000 # [ 54.206373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.220602] R13: ffff932041a6ff10 R14: ffff932041a6ff10 R15: ffff908183029000 # [ 54.234754] FS: 00007f43cc262580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 54.250055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.262691] CR2: 00007f43cc06b000 CR3: 00000001027bc004 CR4: 00000000003706f0 # [ 54.276862] Call Trace: # [ 54.285867] lkdtm_UNS[ 55.802714] lkdtm: Performing direct entry EXEC_DATA [ 55.813502] lkdtm: attempting ok execution at ffffffffa7ae0340 [ 55.820048] lkdtm: attempting bad execution at ffffffffaa40c660 [ 55.826687] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.835053] BUG: unable to handle page fault for address: ffffffffaa40c660 ET_SMEP.cold+0x1d/0x103 # [ 54.296879] direct_entry.cold+0x2[ 55.842732] #PF: supervisor instruction fetch in kernel mode [ 55.855263] #PF: error_code(0x0011) - permissions violation [ 55.861484] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 8000000151a000e3 [ 55.869263] Oops: 0011 [#5] SMP PTI [ 55.873155] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 55.881794] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.888602] RIP: 0010:data_area+0x0/0x40 [ 55.892991] Code: ff ff 00 f8 2d 84 81 90 ff ff 00 f7 2d 84 81 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.914006] RSP: 0018:ffff932042217e48 EFLAGS: 00010246 [ 55.919840] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.927810] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 [ 55.935778] RBP: ffffffffaa40c660 R08: 0000000000000000 R09: 0000000000000000 [ 55.943748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 55.951717] R13: ffff932042217f10 R14: ffff932042217f10 R15: ffff90818556f000 [ 55.959689] FS: 00007f1051d15580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 55.968718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.975134] CR2: ffffffffaa40c660 CR3: 0000000104010005 CR4: 00000000003706e0 [ 55.983103] Call Trace: [ 55.985831] ? execute_location+0x45/0x56 [ 55.990305] ? direct_entry.cold+0x2c/0x38 [ 55.994878] ? full_proxy_write+0x53/0x80 [ 55.999352] ? vfs_write+0xe7/0x3a0 [ 56.003236] ? ksys_write+0x68/0xf0 [ 56.007129] ? do_syscall_64+0x30/0x40 [ 56.011313] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.017150] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.043617] CR2: ffffffffaa40c660 [ 56.047305] ---[ end trace fc6479f7a606775e ]--- [ 56.052461] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.056837] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 56.077821] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 56.083655] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.091623] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 56.099594] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 56.107564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.115533] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 56.123502] FS: 00007f1051d15580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 56.132539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.138955] CR2: ffffffffaa40c660 CR3: 0000000104010005 CR4: 00000000003706e0 [ 56.146941] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.156851] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat [ 56.165307] INFO: lockdep is turned off. [ 56.169681] irq event stamp: 0 [ 56.173086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.180087] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.189222] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.198358] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.205357] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 56.214005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.220808] Call Trace: [ 56.223535] dump_stack+0x77/0x9b [ 56.227232] ___might_sleep.cold+0xa6/0xb6 [ 56.231805] exit_signals+0x1c/0x2e0 [ 56.235792] do_exit+0xd5/0xb00 [ 56.239296] ? ksys_write+0x68/0xf0 [ 56.243180] rewind_stack_do_exit+0x17/0x20 [ 56.247839] RIP: 0033:0x7f1051c2b8f3 [ 56.251827] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.272810] RSP: 002b:00007ffd43d94338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.281258] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1051c2b8f3 [ 56.289229] RDX: 000000000000000a RSI: 00007f1051b1e000 RDI: 0000000000000001 [ 56.297199] RBP: 00007f1051b1e000 R08: 00007f1051b1d010 R09: 0000000000000000 [ 56.305170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.313140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c/0x38 # [ 54.307486] full_proxy_write+0x53/0x80 # [ 54.318002] vfs_write+0xe7/0x3a0 # [ 54.327900] ksys_write+0x68/0xf0 # [ 54.337845] do_syscall_64+0x30/0x40 # [ 54.348068] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.359930] RIP: 0033:0x7f43cc1788f3 # [ 54.370140] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.397322] RSP: 002b:00007ffdf8fa3278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.411994] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f43cc1788f3 # [ 54.426176] RDX: 000000000000000b RSI: 00007f43cc06b000 RDI: 0000000000000001 # [ 54.440406] RBP: 00007f43cc06b000 R08: 00007f43cc06a010 R09: 0000000000000000 # [ 54.454546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.468771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.482989] irq event stamp: 0 # [ 54.492573] hardirqs last enabled at ([ 56.420593] lkdtm: Performing direct entry EXEC_STACK 0): [<0000000000000000>] 0x0 # [ 54.505836] hardirqs last dis[ 56.432558] lkdtm: attempting ok execution at ffffffffa7ae0340 abled at (0): [] copy_process+0x640/0x1c80 # [ 56.445279] lkdtm: attempting bad execution at ffff932042297e18 [ 54.521201] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.536523] softirqs last dis[ 56.492889] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100e71067 PTE 8000000103476063 [ 56.508146] Oops: 0011 [#6] SMP PTI [ 56.512040] CPU: 1 PID: 1669 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 56.520689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.527494] RIP: 0010:0xffff932042297e18 [ 56.531869] Code: 00 00 18 7e 29 42 20 93 ff ff ff 05 14 a8 ff ff ff ff 20 00 00 00 00 00 00 00 76 3a b8 a8 ff ff ff ff 2e 07 14 a8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 56.552853] RSP: 0018:ffff932042297df8 EFLAGS: 00010246 [ 56.558686] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.566656] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffff9081fac9bf70 [ 56.574626] RBP: ffff932042297e18 R08: 0000000000000000 R09: 0000000000000000 [ 56.582596] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 56.590566] R13: ffff932042297f10 R14: ffff932042297f10 R15: ffff908184d26000 [ 56.598537] FS: 00007f014a188580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 56.607575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.613995] CR2: ffff932042297e18 CR3: 0000000104010004 CR4: 00000000003706e0 [ 56.621965] Call Trace: ab[led at (0): [<0000000000000000>] 0x0 # [ 54.549776] ---[ en 56.624687] ? execute_location+0x45/0x56 [ 56.635375] ? lkdtm_EXEC_STACK+0x26/0x44 [ 56.639850] ? direct_entry.cold+0x2c/0x38 [ 56.644424] ? full_proxy_write+0x53/0x80 [ 56.648901] ? vfs_write+0xe7/0x3a0 [ 56.652795] ? ksys_write+0x68/0xf0 [ 56.656688] ? do_syscall_64+0x30/0x40 [ 56.660872] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 d trace fc6479f7a606775d ]--- # [ 54.561104] lkdtm: ok: SMEP [ 56.666710] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.699352] CR2: ffff932042297e18 [ 56.703050] ---[ end trace fc6479f7a606775f ]--- [ 56.708197] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.712574] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 56.733552] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 56.739385] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.747356] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 56.755325] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 56.763293] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.771263] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 56.779233] FS: 00007f014a188580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 56.788272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.794687] CR2: ffff932042297e18 CR3: 0000000104010004 CR4: 00000000003706e0 did not get cleared # [ 54.572459] lkdtm: trying to clear SMEP with call gadget # [ 54.584558] 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 # [ 54.676681] lkdtm: Performing direct entry DOUBLE_FAULT # [ 54.688735] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 54.772888] lkdtm: Performing direct entry CORRUPT_PAC # [ 54.780423] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 54.917424] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 54.929670] 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 #[ 56.901380] lkdtm: Performing direct entry EXEC_KMALLOC selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE[ 56.907963] lkdtm: attempting ok execution at ffffffffa7ae0340 [ 56.920712] lkdtm: attempting bad execution at ffff90818367e440 _ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm:[ 56.927343] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.941901] BUG: unable to handle page fault for address: ffff90818367e440 [ 56.949580] #PF: supervisor instruction fetch in kernel mode [ 56.955890] #PF: error_code(0x0011) - permissions violation [ 56.962110] PGD 151c01067 P4D 151c01067 PUD 10084c063 PMD 1030bf063 PTE 800000010367e063 [ 56.971152] Oops: 0011 [#7] SMP PTI [ 56.975034] CPU: 2 PID: 1705 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 56.983684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.990491] RIP: 0010:0xffff90818367e440 [ 56.994858] Code: 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 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 [ 57.015845] RSP: 0018:ffff9320422ffe38 EFLAGS: 00010246 [ 57.021671] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.029641] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 [ 57.037610] RBP: ffff90818367e440 R08: 0000000000000000 R09: 0000000000000000 [ 57.045579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.053548] R13: ffff9320422fff10 R14: ffff9320422fff10 R15: ffff908184dda000 [ 57.061518] FS: 00007ff5790fa580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 57.070556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.076971] CR2: ffff90818367e440 CR3: 000000010310a002 CR4: 00000000003706e0 [ 57.084942] Call Trace: [ 57.087671] ? execute_location+0x45/0x56 [ 57.092147] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 57.096814] ? direct_entry.cold+0x2c/0x38 [ 57.101385] ? full_proxy_write+0x53/0x80 [ 57.105860] ? vfs_write+0xe7/0x3a0 [ 57.109746] ? ksys_write+0x68/0xf0 OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER[ 57.113643] ? do_syscall_64+0x30/0x40 [ 57.124036] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 _FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failur[ 57.129876] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.162502] CR2: ffff90818367e440 [ 57.166200] ---[ end trace fc6479f7a6067760 ]--- [ 57.171353] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.175729] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 57.196700] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 57.202525] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.210493] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 57.218461] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 57.226430] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.234401] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 57.242371] FS: 00007ff5790fa580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 57.251409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.257825] CR2: ffff90818367e440 CR3: 000000010310a002 CR4: 00000000003706e0 [ 57.265795] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.275698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat [ 57.284154] INFO: lockdep is turned off. [ 57.288530] irq event stamp: 0 [ 57.291942] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.298943] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.308078] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.317212] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.324212] CPU: 2 PID: 1705 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 57.332854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.339657] Call Trace: [ 57.342386] dump_stack+0x77/0x9b [ 57.346086] ___might_sleep.cold+0xa6/0xb6 [ 57.350659] exit_signals+0x1c/0x2e0 [ 57.354649] do_exit+0xd5/0xb00 [ 57.358153] ? ksys_write+0x68/0xf0 [ 57.362045] rewind_stack_do_exit+0x17/0x20 [ 57.366703] RIP: 0033:0x7ff5790108f3 [ 57.370690] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.391675] RSP: 002b:00007fff6ea12ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.400130] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ff5790108f3 [ 57.408099] RDX: 000000000000000d RSI: 00007ff578f03000 RDI: 0000000000000001 [ 57.416068] RBP: 00007ff578f03000 R08: 00007ff578f02010 R09: 0000000000000000 [ 57.424038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.432008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 55.074539] lkdtm: Performing direct entry READ_AFTER_FREE # [ 55.086437] lkdtm: Value in memory before free: 12345678 # [ 55.098563] lkdtm: Attempting bad read from freed memory # [ 55.110708] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 55.223776] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 55.233874] lkdtm: Value in memory before free: 12345678 # [ 55.239816] lkdtm: Attempting to read from freed memory # [ 55.245662] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 55.342610] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 55.350179] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing [ 57.553359] lkdtm: Performing direct entry EXEC_VMALLOC [ 57.563971] lkdtm: attempting ok execution at ffffffffa7ae0340 [ 57.570498] lkdtm: attempting bad execution at ffff932040379000 [ 57.577125] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 57.585489] BUG: unable to handle page fault for address: ffff932040379000 [ 57.593167] #PF: supervisor instruction fetch in kernel mode [ 57.599486] #PF: error_code(0x0011) - permissions violation [ 57.605708] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10099d067 PTE 80000001038e1063 [ 57.614750] Oops: 0011 [#8] SMP PTI [ 57.618641] CPU: 2 PID: 1741 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 57.627292] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.634098] RIP: 0010:0xffff932040379000 [ 57.638468] Code: Unable to access opcode bytes at RIP 0xffff932040378fd6. [ 57.646138] RSP: 0018:ffff9320423c7e38 EFLAGS: 00010246 [ 57.651973] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.659961] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 [ 57.667943] RBP: ffff932040379000 R08: 0000000000000000 R09: 0000000000000000 [ 57.675913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 57.683882] R13: ffff9320423c7f10 R14: ffff9320423c7f10 R15: ffff9081838e1000 [ 57.691853] FS: 00007f24c1c75580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 57.700891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.707306] CR2: ffff932040378fd6 CR3: 00000001029f6001 CR4: 00000000003706e0 [ 57.715275] Call Trace: [ 57.718005] ? execute_location+0x45/0x56 [ 57.722481] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 57.727150] ? direct_entry.cold+0x2c/0x38 [ 57.731713] ? full_proxy_write+0x53/0x80 [ 57.736179] ? vfs_write+0xe7/0x3a0 [ 57.740063] ? ksys_write+0x68/0xf0 [ 57.743949] ? do_syscall_64+0x30/0x40 [ 57.748132] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.753970] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOU[ 57.780449] CR2: ffff932040379000 [ 57.790360] ---[ end trace fc6479f7a6067761 ]--- [ 57.795514] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.799892] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 57.820877] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 57.826712] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.834683] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 57.842654] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 57.850622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.858593] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 57.866566] FS: 00007f24c1c75580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 57.875593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.882009] CR2: ffff932040378fd6 CR3: 00000001029f6001 CR4: 00000000003706e0 BLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 55.446604] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 55.454870] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 55.550440] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 55.560022] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 55.802714] lkdtm: Performing direct entry EXEC_DATA # [ 55.813502] lkdtm: attempting ok execution at ffffffffa7ae0340 #[ 58.003131] lkdtm: Performing direct entry EXEC_RODATA [ 58.013837] lkdtm: attempting ok execution at ffffffffa7ae0340 [ 58.020383] lkdtm: attempting bad execution at ffffffffa879c220 [ 58.027014] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.035380] BUG: unable to handle page fault for address: ffffffffa879c220 [ 58.043060] #PF: supervisor instruction fetch in kernel mode [ 58.049370] #PF: error_code(0x0011) - permissions violation [ 58.055593] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 800000014fc000e1 [ 55.820048] lkdtm: attempting bad execution at ffffffffaa40c[ 58.063375] Oops: 0011 [#9] SMP PTI [ 58.073479] CPU: 2 PID: 1777 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 58.082130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.088944] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 58.094682] Code: ff ff 9e 1b 14 a8 ff ff ff ff c2 3c b8 a8 ff ff ff ff e4 02 14 a8 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 58.115659] RSP: 0018:ffff93204243fe48 EFLAGS: 00010246 [ 58.121493] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.129462] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 [ 58.137434] RBP: ffffffffa879c220 R08: 0000000000000000 R09: 0000000000000000 [ 58.145404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.153376] R13: ffff93204243ff10 R14: ffff93204243ff10 R15: ffff908184031000 [ 58.161347] FS: 00007f3dbfdb9580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 58.170387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.176804] CR2: ffffffffa879c220 CR3: 0000000103008006 CR4: 00000000003706e0 [ 58.184774] Call Trace: [ 58.187503] ? execute_location+0x45/0x56 [ 58.191994] ? direct_entry.cold+0x2c/0x38 [ 58.196568] ? full_proxy_write+0x53/0x80 [ 58.201044] ? vfs_write+0xe7/0x3a0 [ 58.204944] ? ksys_write+0x68/0xf0 [ 58.208837] ? do_syscall_64+0x30/0x40 [ 58.213019] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.218856] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 660 # [ 55.826687] kernel tried to execute NX-protected page [ 58.245316] CR2: ffffffffa879c220 [ 58.255227] ---[ end trace fc6479f7a6067762 ]--- [ 58.260382] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.264760] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 58.285736] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 58.291569] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.299539] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 58.307508] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 58.315479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.323449] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 58.331419] FS: 00007f3dbfdb9580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 58.340459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.346876] CR2: ffffffffa879c220 CR3: 0000000103008006 CR4: 00000000003706e0 - exploit attempt? (uid: 0) # [ 55.835053] BUG: unable to handle page fault for address: ffffffffaa40c660 # [ 55.842732] #PF: supervisor instruction fetch in kernel mode # [ 55.855263] #PF: error_code(0x0011) - permissions violation # [ 55.861484] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 8000000151a000e3 # [ 55.869263] Oops: 0011 [#5] SMP PTI # [ 55.873155] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 55.881794] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.888602] RIP: 0010:data_area+0x0/0x40 # [ 55.892991] Code: ff ff 00 f8 2d 84 81 90 ff ff 00 f7 2d 84 81 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 55.914006] RSP: 0018:ffff932042217e48 EFLAGS: 00010246 # [ 55.919840] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.927810] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 # [ 55.935778] RBP: ffffffffaa40c660 R08: 0000000000000000 R09: 0000000000000000 # [ 55.943748] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 55.951717] R13: ffff932042217f10 R14: ffff932042217f10 R15: ffff90818556f000 # [[ 58.477752] lkdtm: Performing direct entry EXEC_USERSPACE [ 58.485225] lkdtm: attempting ok execution at ffffffffa7ae0340 [ 58.491751] lkdtm: attempting bad execution at 00007f2ab2ed0000 [ 58.498399] unable to execute userspace code (SMEP?) (uid: 0) 55.959689] FS: 00007f1051d15580(0000) GS:ffff9081fad00000(00[ 58.504840] BUG: unable to handle page fault for address: 00007f2ab2ed0000 [ 58.518735] #PF: supervisor instruction fetch in kernel mode [ 58.525055] #PF: error_code(0x0011) - permissions violation [ 58.531277] PGD 800000010415c067 P4D 800000010415c067 PUD 100ff9067 PMD 104e2b067 PTE 10e0dd067 [ 58.541000] Oops: 0011 [#10] SMP PTI [ 58.544988] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 58.553629] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.560437] RIP: 0010:0x7f2ab2ed0000 [ 58.564424] Code: Unable to access opcode bytes at RIP 0x7f2ab2ecffd6. [ 58.571714] RSP: 0018:ffff9320424cfe50 EFLAGS: 00010246 [ 58.577547] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 58.585517] RDX: 0000000000000000 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 58.593487] RBP: 00007f2ab2ed0000 R08: 0000000000000000 R09: 0000000000000000 [ 58.601456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 58.609427] R13: ffff9320424cff10 R14: ffff9320424cff10 R15: ffff908184c6e000 [ 58.617397] FS: 00007f2ab2ea1580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 58.626436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.632844] CR2: 00007f2ab2ed0000 CR3: 0000000103036002 CR4: 00000000003706e0 [ 58.640804] Call Trace: [ 58.643534] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 58.648882] ? direct_entry.cold+0x2c/0x38 [ 58.653455] ? full_proxy_write+0x53/0x80 [ 58.657944] ? vfs_write+0xe7/0x3a0 [ 58.661837] ? ksys_write+0x68/0xf0 [ 58.665730] ? do_syscall_64+0x30/0x40 [ 58.669913] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.675773] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00) knlGS:0000000000000000 # [ 55.968718] CS: 0010 DS: 0000 [ 58.702235] CR2: 00007f2ab2ed0000 [ 58.712148] ---[ end trace fc6479f7a6067763 ]--- [ 58.717305] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.721683] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 58.742666] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 58.748501] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.756470] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 58.764440] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 58.772409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.780379] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 58.788350] FS: 00007f2ab2ea1580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 58.797387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.803803] CR2: 00007f2ab2ed0000 CR3: 0000000103036002 CR4: 00000000003706e0 [ 58.811774] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.821687] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1813, name: cat [ 58.830143] INFO: lockdep is turned off. [ 58.834519] irq event stamp: 0 [ 58.837948] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.844950] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.854087] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.863224] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.870223] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 58.878872] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.885677] Call Trace: [ 58.888406] dump_stack+0x77/0x9b [ 58.892107] ___might_sleep.cold+0xa6/0xb6 [ 58.896680] exit_signals+0x1c/0x2e0 [ 58.900661] do_exit+0xd5/0xb00 [ 58.904164] ? ksys_write+0x68/0xf0 [ 58.908056] rewind_stack_do_exit+0x17/0x20 [ 58.912715] RIP: 0033:0x7f2ab2db78f3 [ 58.916702] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.937683] RSP: 002b:00007ffdadc3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.946139] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f2ab2db78f3 [ 58.954109] RDX: 000000000000000f RSI: 00007f2ab2caa000 RDI: 0000000000000001 [ 58.962079] RBP: 00007f2ab2caa000 R08: 00007f2ab2ca9010 R09: 0000000000000000 [ 58.970051] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.978021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ES: 0000 CR0: 0000000080050033 # [ 55.975134] CR2: ffffffffaa40c660 CR3: 0000000104010005 CR4: 00000000003706e0 # [ 55.983103] Call Trace: # [ 55.985831] ? execute_location+0x45/0x56 # [ 55.990305] ? direct_entry.cold+0x2c/0x38 # [ 55.994878] ? full_proxy_write+0x53/0x80 # [ 55.999352] ? vfs_write+0xe7/0x3a0 # [ 56.003236] ? ksys_write+0x68/0xf0 # [ 56.007129] ? do_syscall_64+0x30/0x40 # [ 56.011313] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.017150] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.043617] CR2: ffffffffaa40c660 # [ 56.047305] ---[ end trace fc6479f7a606775e ]--- # [ 56.052461] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.056837] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 56.077821] RSP: 0018:ffff93204[ 59.094396] lkdtm: Performing direct entry EXEC_NULL [ 59.103458] lkdtm: attempting ok execution at ffffffffa7ae0340 [ 59.109986] lkdtm: attempting bad execution at 0000000000000000 [ 59.116613] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.124395] #PF: supervisor instruction fetch in kernel mode [ 59.130715] #PF: error_code(0x0010) - not-present page [ 59.136452] PGD 0 P4D 0 [ 59.139267] Oops: 0010 [#11] SMP PTI [ 59.143255] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 59.151907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.158713] RIP: 0010:0x0 [ 59.161636] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 59.169315] RSP: 0018:ffff932042457e48 EFLAGS: 00010246 [ 59.175150] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.183120] RDX: 0000000000000000 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 59.191091] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 59.199061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 59.207030] R13: ffff932042457f10 R14: ffff932042457f10 R15: ffff908184e21000 [ 59.215001] FS: 00007f44179df580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 59.224042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.230458] CR2: ffffffffffffffd6 CR3: 00000001041f2002 CR4: 00000000003706e0 [ 59.238430] Call Trace: [ 59.241158] execute_location+0x45/0x56 [ 59.245439] direct_entry.cold+0x2c/0x38 [ 59.249809] full_proxy_write+0x53/0x80 [ 59.254091] vfs_write+0xe7/0x3a0 [ 59.257789] ksys_write+0x68/0xf0 [ 59.261488] do_syscall_64+0x30/0x40 [ 59.265478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.271118] RIP: 0033:0x7f44178f58f3 [ 59.275107] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.296093] RSP: 002b:00007fff6ae1a8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.304549] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44178f58f3 [ 59.312517] RDX: 000000000000000a RSI: 00007f44177e8000 RDI: 0000000000000001 [ 59.320488] RBP: 00007f44177e8000 R08: 00007f44177e7010 R09: 0000000000000000 [ 59.328459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.336431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.344406] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.370874] CR2: 0000000000000000 [ 59.374574] ---[ end trace fc6479f7a6067764 ]--- 1417e60 EFLAGS: 00010282 # [ 56.083655] RAX: ffffffffa7adff70[ 59.379735] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.390325] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 59.411308] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 59.417142] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.425113] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 59.433082] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 59.441051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.449021] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 59.456995] FS: 00007f44179df580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 59.466033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.472448] CR2: ffffffffffffffd6 CR3: 00000001041f2002 CR4: 00000000003706e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.091623] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 56.099594] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 56.107564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.115533] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 56.123502] FS: 00007f1051d15580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 56.132539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.138955] CR2: ffffffffaa40c660 CR3: 0000000104010005 CR4: 00000000003706e0 # [ 56.146941] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.156851] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat # [ 56.165307] INFO: lockdep is turned off. # [ 56.169681] irq event stamp: 0 # [ 56.173086] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.180087] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.189222] softirqs last enabled at (0): [] copy_pr[ 59.590005] lkdtm: Performing direct entry ACCESS_USERSPACE [ 59.598587] lkdtm: attempting bad read at 00007f2dd063a000 ocess+0x640/0x1c80 # [ 56.198358] softirqs last disabled at ([ 59.604732] BUG: unable to handle page fault for address: 00007f2dd063a000 [ 59.618614] #PF: supervisor read access in kernel mode [ 59.624352] #PF: error_code(0x0001) - permissions violation 0)[: [<0000000000000000>] 0x0 # [ 56.205357] CPU: 2 PID: 1633 59.630575] PGD 80000001054e9067 P4D 80000001054e9067 PUD 102867067 PMD 105c2b067 PTE 1145e1067 [ 59.646516] Oops: 0001 [#12] SMP PTI [ 59.650506] CPU: 2 PID: 1884 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 59.659147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.665955] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 59.672178] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e0 49 b8 a8 e8 64 99 fd ff 48 c7 c7 08 4a b8 a8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 30 4a b8 [ 59.693154] RSP: 0018:ffff93204259fe48 EFLAGS: 00010246 [ 59.698993] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 59.706964] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa8b84a08 [ 59.714942] RBP: 00007f2dd063a000 R08: 0000000000000000 R09: 0000000000000000 [ 59.722913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 59.730908] R13: ffff93204259ff10 R14: ffff93204259ff10 R15: ffff908183476000 [ 59.738880] FS: 00007f2dd060b580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 59.747910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.754326] CR2: 00007f2dd063a000 CR3: 000000010318c002 CR4: 00000000003706e0 [ 59.762297] Call Trace: [ 59.765028] direct_entry.cold+0x2c/0x38 [ 59.769409] full_proxy_write+0x53/0x80 [ 59.773690] vfs_write+0xe7/0x3a0 [ 59.777389] ksys_write+0x68/0xf0 [ 59.781088] do_syscall_64+0x30/0x40 [ 59.785079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.790721] RIP: 0033:0x7f2dd05218f3 [ 59.794710] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.815696] RSP: 002b:00007ffe51d591f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.824154] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2dd05218f3 [ 59.832124] RDX: 0000000000000011 RSI: 00007f2dd0414000 RDI: 0000000000000001 [ 59.840095] RBP: 00007f2dd0414000 R08: 00007f2dd0413010 R09: 0000000000000000 [ 59.848067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.856039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.864013] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 5[ 59.890476] CR2: 00007f2dd063a000 [ 59.900387] ---[ end trace fc6479f7a6067765 ]--- [ 59.905543] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.909911] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 59.930900] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 59.936724] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.944696] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 59.952666] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 59.960638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.968610] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 59.976580] FS: 00007f2dd060b580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 59.985620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.992036] CR2: 00007f2dd063a000 CR3: 000000010318c002 CR4: 00000000003706e0 [ 60.000007] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.009940] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1884, name: cat [ 60.018396] INFO: lockdep is turned off. [ 60.022771] irq event stamp: 0 [ 60.026176] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.033177] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.042305] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.051442] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.058444] CPU: 2 PID: 1884 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 60.067094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.073898] Call Trace: [ 60.076626] dump_stack+0x77/0x9b [ 60.080324] ___might_sleep.cold+0xa6/0xb6 [ 60.084897] exit_signals+0x1c/0x2e0 [ 60.088877] do_exit+0xd5/0xb00 [ 60.092382] ? ksys_write+0x68/0xf0 [ 60.096274] rewind_stack_do_exit+0x17/0x20 [ 60.100947] RIP: 0033:0x7f2dd05218f3 [ 60.104940] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.125943] RSP: 002b:00007ffe51d591f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.134401] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2dd05218f3 [ 60.142373] RDX: 0000000000000011 RSI: 00007f2dd0414000 RDI: 0000000000000001 [ 60.150344] RBP: 00007f2dd0414000 R08: 00007f2dd0413010 R09: 0000000000000000 [ 60.158315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.166286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6.214005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.220808] Call Trace: # [ 56.223535] dump_stack+0x77/0x9b # [ 56.227232] ___might_sleep.cold+0xa6/0xb6 # [ 56.231805] exit_signals+0x1c/0x2e0 # [ 56.235792] do_exit+0xd5/0xb00 # [ 56.239296] ? ksys_write+0x68/0xf0 # [ 56.243180] rewind_stack_do_exit+0x17/0x20 # [ 56.247839] RIP: 0033:0x7f1051c2b8f3 # [ 56.251827] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.272810] RSP: 002b:00007ffd43d94338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.281258] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1051c2b8f3 # [ 56.289229] RDX: 000000000000000a RSI: 00007f1051b1e000 RDI: 0000000000000001 # [ 56.297199] RBP: 00007f1051b1e000 R08: 00007f1051b1d010 R09: 0000000000000000 # [ 56.305170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.313140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lk[ 60.286182] lkdtm: Performing direct entry ACCESS_NULL [ 60.298127] lkdtm: attempting bad read at 0000000000000000 [ 60.304286] BUG: kernel NULL pointer dereference, address: 0000000000000000 dtm[: EXEC_STACK.sh # Killed # [ 56.420593] lkdtm: Performing 60.312072] #PF: supervisor read access in kernel mode [ 60.324025] #PF: error_code(0x0000) - not-present page [ 60.329761] PGD 0 P4D 0 direct entry EXEC_STACK # [ 56.432558] lkdtm: attempting ok [ 60.332587] Oops: 0000 [#13] SMP PTI [ 60.342791] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 60.351442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.358252] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 60.363503] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 e7 6c 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e0 49 b8 a8 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 08 4a b8 a8 48 01 [ 60.384491] RSP: 0018:ffff932042667e58 EFLAGS: 00010246 [ 60.390317] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 60.398287] RDX: 0000000000000000 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 60.406256] RBP: ffffffffa8b83ad1 R08: 0000000000000000 R09: 0000000000000000 [ 60.414226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 60.422196] R13: ffff932042667f10 R14: ffff932042667f10 R15: ffff908184d3b000 [ 60.430167] FS: 00007f58db000580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 60.439205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.445622] CR2: 0000000000000000 CR3: 00000001054a0002 CR4: 00000000003706e0 [ 60.453593] Call Trace: [ 60.456321] direct_entry.cold+0x2c/0x38 [ 60.460702] full_proxy_write+0x53/0x80 [ 60.464999] vfs_write+0xe7/0x3a0 [ 60.468688] ksys_write+0x68/0xf0 [ 60.472386] do_syscall_64+0x30/0x40 [ 60.476376] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.482017] RIP: 0033:0x7f58daf168f3 [ 60.486005] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.506995] RSP: 002b:00007ffeef0b4708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.515465] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f58daf168f3 [ 60.523436] RDX: 000000000000000c RSI: 00007f58dae09000 RDI: 0000000000000001 [ 60.531406] RBP: 00007f58dae09000 R08: 00007f58dae08010 R09: 0000000000000000 [ 60.539376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.547345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.555319] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify execution at ffffffffa7ae0340 # [ 56.445279] lkdtm: attemptin[ 60.581785] CR2: 0000000000000000 [ 60.591698] ---[ end trace fc6479f7a6067766 ]--- [ 60.596853] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.601222] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 60.622208] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 60.628041] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.636011] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 60.643995] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 60.651965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.659942] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 60.667932] FS: 00007f58db000580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 g bad execution at ffff932042297e18 # [ 56.458099] kernel tri[ 60.676981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.689611] CR2: 0000000000000000 CR3: 00000001054a0002 CR4: 00000000003706e0 ed to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.472668] BUG: unable to handle page fault for address: ffff932042297e18 # [ 56.480348] #PF: supervisor instruction fetch in kernel mode # [ 56.486667] #PF: error_code(0x0011) - permissions violation # [ 56.492889] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100e71067 PTE 8000000103476063 # [ 56.508146] Oops: 0011 [#6] SMP PTI # [ 56.512040] CPU: 1 PID: 1669 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 56.520689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.527494] RIP: 0010:0xffff932042297e18 # [ 56.531869] Code: 00 00 18 7e 29 42 20 93 ff ff ff 05 14 a8 ff ff ff ff 20 00 00 00 00 00 00 00 76 3a b8 a8 ff ff ff ff 2e 07 14 a8 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 56.552853] RSP: 0018:ffff932042297df8 EFLAGS: 00010246 # [ 56.558686] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.566656] RDX: 0000000000000000 RSI: ffff9081fac9bf70 RDI: ffff9081fac9bf70 # [ 56.574626] RBP: ffff932042297e18 R08: 0000000000000000 R09: 0000000000000000[ 60.807760] lkdtm: Performing direct entry WRITE_RO # [ 56.582596] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 60.815017] lkdtm: attempting bad rodata write at ffffffffa879c210 12: 000000000000000b # [ 56.590566] R13: ffff932042297f10 R14[ 60.828174] BUG: unable to handle page fault for address: ffffffffa879c210 [ 60.842026] #PF: supervisor write access in kernel mode [ 60.847860] #PF: error_code(0x0003) - permissions violation [ 60.854081] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 800000014fc000e1 [ 60.861866] Oops: 0003 [#14] SMP PTI [ 60.865855] CPU: 0 PID: 1954 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 60.874498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.881307] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 60.886272] Code: 00 48 c7 c7 c0 48 b8 a8 48 c7 c6 10 c2 79 a8 e8 8c 9b fd ff 48 8b 05 e1 bb 65 00 ba 34 12 cd ab 48 c7 c7 f0 48 b8 a8 48 31 d0 <48> 89 05 cb bb 65 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da ec [ 60.907251] RSP: 0018:ffff9320426efe60 EFLAGS: 00010202 [ 60.913085] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 60.921056] RDX: 00000000abcd1234 RSI: ffff9081fac1bf70 RDI: ffffffffa8b848f0 [ 60.929025] RBP: ffffffffa8b83add R08: 0000000000000000 R09: 0000000000000000 [ 60.936994] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 60.944965] R13: ffff9320426eff10 R14: ffff9320426eff10 R15: ffff9081834ad000 [ 60.952943] FS: 00007fa095572580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 [ 60.961987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.968403] CR2: ffffffffa879c210 CR3: 00000001027b2001 CR4: 00000000003706f0 [ 60.976374] Call Trace: [ 60.979103] direct_entry.cold+0x2c/0x38 [ 60.983484] full_proxy_write+0x53/0x80 [ 60.987771] vfs_write+0xe7/0x3a0 [ 60.991474] ksys_write+0x68/0xf0 [ 60.995165] do_syscall_64+0x30/0x40 [ 60.999156] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.004796] RIP: 0033:0x7fa0954888f3 [ 61.008776] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.029763] RSP: 002b:00007fffef60fdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.038212] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa0954888f3 [ 61.046182] RDX: 0000000000000009 RSI: 00007fa09537b000 RDI: 0000000000000001 [ 61.054152] RBP: 00007fa09537b000 R08: 00007fa09537a010 R09: 0000000000000000 [ 61.062122] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.070092] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.078067] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.104512] CR2: ffffffffa879c210 [ 61.108209] ---[ end trace fc6479f7a6067767 ]--- [ 61.113364] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.117733] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 61.138720] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 61.144554] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.152525] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 61.160495] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 61.168465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.176434] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 61.184405] FS: 00007fa095572580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 [ 61.193444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.199860] CR2: ffffffffa879c210 CR3: 00000001027b2001 CR4: 00000000003706f0 : ffff932042297f10 R15: ffff908184d26000 # [ 56.598537] FS: 00007f014a188580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 56.607575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.613995] CR2: ffff932042297e18 CR3: 0000000104010004 CR4: 00000000003706e0 # [ 56.621965] Call Trace: # [ 56.624687] ? execute_location+0x45/0x56 # [ 56.635375] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 56.639850] ? direct_entry.cold+0x2c/0x38 # [ 56.644424] ? full_proxy_write+0x53/0x80 # [ 56.648901] ? vfs_write+0xe7/0x3a0 # [ 56.652795] ? ksys_write+0x68/0xf0 # [ 56.656688] ? do_syscall_64+0x30/0x40 # [ 56.660872] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.666710] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.699352] CR2: ffff932042297e18 # [ 56.703050] ---[ end trace fc6479f7a606775f ]--- # [ 56.708197] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.712574] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 56.733552] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 56.739385] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.747356] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 56.755325] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 56.7632[ 61.364071] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 93] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 61.375951] lkdtm: attempting bad ro_after_init write at ffffffffa8bff330 [ 61.389766] BUG: unable to handle page fault for address: ffffffffa8bff330 00004 # [ 56.771263] R13: ffff932041417f10 R14: ffff932041417[ 61.397455] #PF: supervisor write access in kernel mode [ 61.409503] #PF: error_code(0x0003) - permissions violation [ 61.415727] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 80000001500000e1 f10 R15: ffff90818295d000 # [ 56.779233] FS: 00007f014a18858[ 61.423509] Oops: 0003 [#15] SMP PTI [ 61.433712] CPU: 2 PID: 1989 Comm: cat Tainted: G D W 5.10.154-cip19 #1 0(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ [ 61.442366] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 56.788272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.455389] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 61.467635] Code: 49 b8 a8 e9 3e 9b fd ff 48 c7 c7 48 49 b8 a8 e8 32 9b fd ff 48 8b 05 a7 ec ab 00 ba 34 12 cd ab 48 c7 c7 f0 48 b8 a8 48 31 d0 <48> 89 05 91 ec ab 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 61.488622] RSP: 0018:ffff93204276fe60 EFLAGS: 00010202 [ 61.494456] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 61.502428] RDX: 00000000abcd1234 RSI: ffff9081fad1bf70 RDI: ffffffffa8b848f0 [ 61.510398] RBP: ffffffffa8b83ae6 R08: 0000000000000000 R09: 0000000000000000 [ 61.518368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 61.526338] R13: ffff93204276ff10 R14: ffff93204276ff10 R15: ffff908184d28000 [ 61.534310] FS: 00007f105982e580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 61.543349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.549765] CR2: ffffffffa8bff330 CR3: 0000000104ff6006 CR4: 00000000003706e0 [ 61.557734] Call Trace: [ 61.560463] direct_entry.cold+0x2c/0x38 [ 61.564844] full_proxy_write+0x53/0x80 [ 61.569127] vfs_write+0xe7/0x3a0 [ 61.572825] ksys_write+0x68/0xf0 [ 61.576524] do_syscall_64+0x30/0x40 [ 61.580515] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.586156] RIP: 0033:0x7f10597448f3 [ 61.590136] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.611120] RSP: 002b:00007fff7e971dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.619579] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f10597448f3 [ 61.627550] RDX: 0000000000000014 RSI: 00007f1059637000 RDI: 0000000000000001 [ 61.635519] RBP: 00007f1059637000 R08: 00007f1059636010 R09: 0000000000000000 [ 61.643489] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.651462] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.659437] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.794687] CR2: ffff932042297e18 CR3: 0000000104010004 CR4: [ 61.685897] CR2: ffffffffa8bff330 [ 61.695810] ---[ end trace fc6479f7a6067768 ]--- [ 61.700958] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.705335] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 61.726309] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 61.732141] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.740111] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 61.748081] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 61.756051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.764021] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 61.771996] FS: 00007f105982e580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 61.781033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.787448] CR2: ffffffffa8bff330 CR3: 0000000104ff6006 CR4: 00000000003706e0 [ 61.795419] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.805331] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1989, name: cat [ 61.813786] INFO: lockdep is turned off. [ 61.818163] irq event stamp: 0 [ 61.821570] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.828563] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.837698] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.846834] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.853834] CPU: 2 PID: 1989 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 61.862486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.869291] Call Trace: [ 61.872020] dump_stack+0x77/0x9b [ 61.875719] ___might_sleep.cold+0xa6/0xb6 [ 61.880294] exit_signals+0x1c/0x2e0 [ 61.884284] do_exit+0xd5/0xb00 [ 61.887789] ? ksys_write+0x68/0xf0 [ 61.891683] rewind_stack_do_exit+0x17/0x20 [ 61.896351] RIP: 0033:0x7f10597448f3 [ 61.900338] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.921325] RSP: 002b:00007fff7e971dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.929782] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f10597448f3 [ 61.937754] RDX: 0000000000000014 RSI: 00007f1059637000 RDI: 0000000000000001 [ 61.945723] RBP: 00007f1059637000 R08: 00007f1059636010 R09: 0000000000000000 [ 61.953694] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.961664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 56.901380] lkdtm: Performing direct entry EXEC_KMALLOC # [ 56.907963] lkdtm: attempting ok execution at ffffffffa7ae0340 # [ 56.920712] lkdtm: attempting bad execution at ffff90818367e440 # [ 56.927343] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.941901] BUG: unable to handle page fault for address: ffff90818367e440 # [ 56.949580] #PF: supervisor instruction fetch in kernel mode # [ 56.955890] #PF: error_code(0x0011) - permissions violation # [ 56.962110] PGD 151c01067 P4D 151c01067 PUD 10084c063 PMD 1030bf063 PTE 800000010367e063 # [ 56.971152] Oops: 0011 [#7] SMP PTI # [ 56.975034] CPU: 2 PID: 1705 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 56.983684] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.990491] RIP: 0010:0xffff90818367e440 # [ 56.994858] Code: 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 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 # [ 57.015845] RSP: 0018:ffff9320422ffe38 EFLAGS: 00010246 # [ 57.021671] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000[ 62.099068] lkdtm: Performing direct entry WRITE_KERN 000000000 # [ 57.029641] RDX: 0000000000000000 RSI: ffff9081f[ 62.105861] lkdtm: attempting bad 6685289 byte write at ffffffffa81405a9 ad1bf70 RDI: ffff9081fad1bf70 # [ 57.037610] RBP: ffff9081836[ 62.119551] BUG: unable to handle page fault for address: ffffffffa81405a9 [ 62.133435] #PF: supervisor write access in kernel mode [ 62.139271] #PF: error_code(0x0003) - permissions violation 7e[440 R08: 0000000000000000 R09: 0000000000000000 # [ 57.0455 62.145485] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 14f6000e1 [ 62.158806] Oops: 0003 [#16] SMP PTI [ 62.162795] CPU: 1 PID: 2024 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 62.171448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.178249] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 79] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 62.183403] Code: 53 48 c7 c3 a9 05 14 a8 49 89 dc 48 89 da 49 81 ec 40 03 ae a7 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 40 03 ae a7 a4 48 c7 c7 f0 48 b8 a8 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 62.210600] RSP: 0018:ffff932042827e50 EFLAGS: 00010246 [ 62.216436] RAX: 000000000000003c RBX: ffffffffa81405a9 RCX: 0000000000660269 [ 62.224407] RDX: 0000000000000000 RSI: ffffffffa7ae0340 RDI: ffffffffa81405a9 [ 62.232377] RBP: ffffffffa8b83afa R08: 0000000000000000 R09: 0000000000000000 [ 62.240349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000660269 [ 62.248318] R13: ffff932042827f10 R14: ffff932042827f10 R15: ffff908183442000 [ 62.256287] FS: 00007fb8f7507580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 62.265326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.271740] CR2: ffffffffa81405a9 CR3: 0000000103cf0001 CR4: 00000000003706e0 [ 62.279710] Call Trace: [ 62.282439] direct_entry.cold+0x2c/0x38 0000d # [ 57.053548] R13: ffff9320422fff10 R14: ffff9320422ff[ 62.286819] full_proxy_write+0x53/0x80 [ 62.297312] vfs_write+0xe7/0x3a0 f10 R15: ffff908184dda000 # [ 57.061518] FS: 00007ff5790fa58[ 62.301011] ksys_write+0x68/0xf0 [ 62.310939] do_syscall_64+0x30/0x40 [ 62.314945] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.320577] RIP: 0033:0x7fb8f741d8f3 [ 62.324566] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.345548] RSP: 002b:00007ffdca9bbc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.354005] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb8f741d8f3 [ 62.361977] RDX: 000000000000000b RSI: 00007fb8f7310000 RDI: 0000000000000001 [ 62.369966] RBP: 00007fb8f7310000 R08: 00007fb8f730f010 R09: 0000000000000000 [ 62.377942] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.385911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ [ 62.393885] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.426524] CR2: ffffffffa81405a9 [ 62.430221] ---[ end trace fc6479f7a6067769 ]--- [ 62.435378] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.439756] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 [ 62.460727] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 62.466561] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.474532] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 62.482503] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 [ 62.490474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.498442] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 [ 62.506412] FS: 00007fb8f7507580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 62.515450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.521865] CR2: ffffffffa81405a9 CR3: 0000000103cf0001 CR4: 00000000003706e0 57.070556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.076971] CR2: ffff90818367e440 CR3: 000000010310a002 CR4: 00000000003706e0 # [ 57.084942] Call Trace: # [ 57.087671] ? execute_location+0x45/0x56 # [ 57.092147] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 57.096814] ? direct_entry.cold+0x2c/0x38 # [ 57.101385] ? full_proxy_write+0x53/0x80 # [ 57.105860] ? vfs_write+0xe7/0x3a0 # [ 57.109746] ? ksys_write+0x68/0xf0 # [ 57.113643] ? do_syscall_64+0x30/0x40 # [ 57.124036] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.129876] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.162502] CR2: ffff90818367e440 # [ 57.166200] ---[ end trace fc6479f7a6067760 ]--- # [ 57.171353] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.175729] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 57.196700] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 57.202525] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.658342] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 57.210493] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: [ 62.667080] lkdtm: attempting good refcount_inc() without overflow [ 62.680228] lkdtm: attempting bad refcount_inc() overflow [ 62.686281] ------------[ cut here ]------------ [ 62.691452] refcount_t: saturated; leaking memory. [ 62.696827] WARNING: CPU: 3 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 62.706266] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffffa879bd90 # [ 57.218461] RBP: ffffffffa8bdee80 R08: 00[ 62.732741] CPU: 3 PID: 2059 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 62.747605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.754418] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 62.760286] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 [ 62.781302] RSP: 0018:ffff9320428dfe48 EFLAGS: 00010286 00000000000001 R09: 0000000000000001 # [ 57.226430] R10: 0000[ 62.787172] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 62.801365] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 62.815556] RBP: ffffffffa8b83b05 R08: 0000000000000000 R09: 0000000000000000 57.234401] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff[ 62.823528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 62.837715] R13: ffff9320428dff10 R14: ffff9320428dff10 R15: ffff9081829f7000 [ 62.845691] FS: 00007fe137638580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 62.854735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.861157] CR2: 00007fe137441000 CR3: 0000000104f2c006 CR4: 00000000003706e0 [ 62.869131] Call Trace: [ 62.871865] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 62.877249] direct_entry.cold+0x2c/0x38 [ 62.881661] full_proxy_write+0x53/0x80 [ 62.885985] vfs_write+0xe7/0x3a0 [ 62.889720] ksys_write+0x68/0xf0 [ 62.893423] do_syscall_64+0x30/0x40 [ 62.897416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.903059] RIP: 0033:0x7fe13754e8f3 [ 62.907050] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.928041] RSP: 002b:00007ffc33c34258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.936502] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe13754e8f3 [ 62.944475] RDX: 0000000000000016 RSI: 00007fe137441000 RDI: 0000000000000001 [ 62.952449] RBP: 00007fe137441000 R08: 00007fe137440010 R09: 0000000000000000 [ 62.960422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.968398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.976377] irq event stamp: 0 90818295d000 # [ 57.242371] FS: 00007ff5790fa580(0000) GS:ff[ 62.979811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.993028] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.002192] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.011331] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.018334] ---[ end trace fc6479f7a606776a ]--- [ 63.023490] lkdtm: Overflow detected: saturated ff9081fad00000(0000) knlGS:0000000000000000 # [ 57.251409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.257825] CR2: ffff90818367e440 CR3: 000000010310a002 CR4: 00000000003706e0 # [ 57.265795] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.275698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat # [ 57.284154] INFO: lockdep is turned off. # [ 57.288530] irq event stamp: 0 # [ 57.291942] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.298943] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.308078] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.317212] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.324212] CPU: 2 PID: 1705 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 57.332854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.339657] Call Trace: # [ 57.342386] dump_stack+0x77/0x9b # [ 57.346086] ___might_sleep.cold+0xa6/0xb6 # [ 57.350659] exit_signals+0x1c/0x2e0 # [ 57.354649] do_exit+0xd5/0xb00 # [ 57.358153] ? ksys_write+0x68/0xf0 # [ 57.362045] rewind_stack_do_exit+0x17/0x20 # [ 57.36[ 63.147529] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 63.159629] lkdtm: attempting good refcount_add() without overflow 6703] RIP: 0033:0x7ff5790108f3 # [ 57.370690] Code: 8b 15 a1 [ 63.166547] lkdtm: attempting bad refcount_add() overflow [ 63.178785] ------------[ cut here ]------------ 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8[ 63.183945] refcount_t: saturated; leaking memory. [ 63.195540] WARNING: CPU: 2 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 [ 63.204977] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.237617] CPU: 2 PID: 2091 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 63.246271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.253080] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 63.258933] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 63.279931] RSP: 0018:ffff932042947e48 EFLAGS: 00010286 [ 63.291998] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 63.299988] RDX: ffff9081fad2c660 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 [ 63.307964] RBP: ffffffffa8b83b1b R08: 0000000000000000 R09: 0000000000000000 [ 63.315958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 57.391675] RSP: 002b:00007fff6ea12ec8 EFLAGS: 00000246 ORIG_RAX:[ 63.323954] R13: ffff932042947f10 R14: ffff932042947f10 R15: ffff908182988000 [ 63.338143] FS: 00007f77f2138580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 63.347186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.353605] CR2: 00007f77f1f41000 CR3: 0000000104ff6001 CR4: 00000000003706e0 [ 63.361579] Call Trace: [ 63.364312] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 63.369697] direct_entry.cold+0x2c/0x38 [ 63.374103] full_proxy_write+0x53/0x80 [ 63.378412] vfs_write+0xe7/0x3a0 [ 63.382138] ksys_write+0x68/0xf0 [ 63.385839] do_syscall_64+0x30/0x40 [ 63.389857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.395501] RIP: 0033:0x7f77f204e8f3 [ 63.399491] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.420483] RSP: 002b:00007ffc907bdf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000001 # [ 57.400130] RAX: ffffffffffffffda RBX: 0[ 63.428948] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f77f204e8f3 00000000000000d RCX: 00007ff5790108f3 # [ 57.408099] RDX: 000[ 63.443141] RDX: 0000000000000016 RSI: 00007f77f1f41000 RDI: 0000000000000001 [ 63.457332] RBP: 00007f77f1f41000 R08: 00007f77f1f40010 R09: 0000000000000000 [ 63.465306] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.473281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.481276] irq event stamp: 0 000000000000d RSI: 00007ff578f03000 RDI: 0000000000000001 # [ [ 63.484699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.497934] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.507073] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.516213] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.523216] ---[ end trace fc6479f7a606776b ]--- [ 63.528373] lkdtm: Overflow detected: saturated 57.416068] RBP: 00007ff578f03000 R08: 00007ff578f02010 R09: 0000000000000000 # [ 57.424038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.432008] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 57.553359] lkdtm: Performing direct entry EXEC_VMALLOC # [ 57.563971] lkdtm: attempting ok execution at ffffffffa7ae0340 # [ 57.570498] lkdtm: attempting bad execution at ffff932040379000 # [ 57.577125] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 57.585489] BUG: unable to handle page fault for address: ffff932040379000 # [ 57.593167] #PF: supervisor instruction fetch in kernel mode # [ 57.599486] #PF: error_code(0x0011) - permissions violation # [ 57.605708] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10099d067 PTE 80000001038e1063 # [ 57.614750] Oops: 0011 [#8] SMP PTI # [ 57.618641] CPU: 2 PID: 1741 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 57.627292] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.634098] RIP: 0010:0xffff932040[ 63.645962] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 63.659140] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 63.666076] ------------[ cut here ]------------ 379000 # [ 57.638468] Code: Unable to access opcode bytes at [ 63.671240] refcount_t: saturated; leaking memory. [ 63.682829] WARNING: CPU: 3 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 RIP 0xffff932040378fd6. # [ 57.646138] RSP: 0018:ffff9320423c[ 63.692267] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.724913] CPU: 3 PID: 2123 Comm: cat Tainted: G D W 5.10.154-cip19 #1 7e38 EFLAGS: 00010246 # [ 57.651973] RAX: 0000000000000033 RB[ 63.733591] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 X: 0000000000000001 RCX: 0000000000000000 # [ 57.659961] RDX:[ 63.746615] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 63.758668] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 [ 63.779661] RSP: 0018:ffff9320429afe38 EFLAGS: 00010282 [ 63.785500] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 63.793475] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 63.801448] RBP: ffffffffa8b83758 R08: 0000000000000000 R09: 0000000000000000 [ 63.809421] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.817395] R13: ffff9320429aff10 R14: ffff9320429aff10 R15: ffff908184140000 [ 63.825369] FS: 00007fefdfba3580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 63.834412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.840833] CR2: 00007fefdf9ac000 CR3: 0000000105da4003 CR4: 00000000003706e0 [ 63.848807] Call Trace: [ 63.851539] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 63.857693] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 63.863952] direct_entry.cold+0x2c/0x38 [ 63.868335] full_proxy_write+0x53/0x80 [ 63.872620] vfs_write+0xe7/0x3a0 [ 63.876323] ksys_write+0x68/0xf0 [ 63.880024] do_syscall_64+0x30/0x40 [ 63.884042] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.889709] RIP: 0033:0x7fefdfab98f3 [ 63.893702] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.914692] RSP: 002b:00007fffc58b5418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.923155] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fefdfab98f3 [ 63.931129] RDX: 000000000000001f RSI: 00007fefdf9ac000 RDI: 0000000000000001 [ 63.939104] RBP: 00007fefdf9ac000 R08: 00007fefdf9ab010 R09: 0000000000000000 [ 63.947078] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.955052] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.963031] irq event stamp: 0 [ 63.966444] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.973447] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.982587] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.991727] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.998730] ---[ end trace fc6479f7a606776c ]--- [ 64.003887] lkdtm: Overflow detected: saturated 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 # [ 57.667943] RBP: ffff932040379000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.675913] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 57.683882] R13: ffff9320423c7f10 R14: ffff9320423c7f10 R15: ffff9081838e1000 # [ 57.691853] FS: 00007f24c1c75580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 57.700891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.707306] CR2: ffff932040378fd6 CR3: 00000001029f6001 CR4: 00000000003706e0 # [ 57.715275] Call Trace: # [ 57.718005] ? execute_location+0x45/0x56 # [ 57.722481] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 57.727150] ? direct_entry.cold+0x2c/0x38 # [ 57.731713] ? full_proxy_write+0x53/0x80 # [ 57.736179] ? vfs_write+0xe7/0x3a0 # [ 57.740063] ? ksys_write+0x68/0xf0 # [ 57.743949] ? do_syscall_64+0x30/0x40 # [ 57.748132] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.753970] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.780449] CR2: ffff932040379000 # [ 57.790360] ---[ end trace fc6479f7a6067761 ]--- # [ 57.795514] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.799892] Code: 89 ff e8 6e a3 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[ 64.152740] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a[ 64.165738] lkdtm: attempting bad refcount_add_not_zero() overflow 0 c6 92 02 # [ 57.820877] RSP: 0018:ffff932041417e60 EFLAGS: [ 64.178873] ------------[ cut here ]------------ 00010282 # [ 57.826712] RAX: ffffffffa7adff70 RBX: 0000000000[ 64.190255] refcount_t: saturated; leaking memory. 000001 RCX: 0000000000000000 # [ 57.834683] RDX: 000000000000[ 64.201852] WARNING: CPU: 0 PID: 2155 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 57.84265[ 64.217482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 000000000000[ 64.250130] CPU: 0 PID: 2155 Comm: cat Tainted: G D W 5.10.154-cip19 #1 0001 # [ 57.850622] R10: 00000000ffffe000 R11: 3fffffffffffff[ 64.265015] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff R12: 0000000000000004 # [ 57.858593] R13: ffff932041417f10[ 64.278047] RIP: 0010:refcount_warn_saturate+0x97/0x110 R14: ffff932041417f10 R15: ffff90818295d000 # [ 57.866566] F[ 64.290102] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 S: 00007f24c1c75580(0000) GS:ffff9081fad00000(0000) knlGS:00000[ 64.317316] RSP: 0018:ffff932042a57e38 EFLAGS: 00010282 00000000000 # [ 57.875593] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 64.329362] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 000000080050033 # [ 57.882009] CR2: ffff932040378fd6 CR3: 000[ 64.343563] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 00001029f6001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call t[ 64.357745] RBP: ffffffffa8b83778 R08: 0000000000000000 R09: 0000000000000000 race:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests[ 64.371946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f : lkdtm: EXEC_RODATA.sh # Killed # [ 58.003131] lkdtm: Perfo[ 64.386124] R13: ffff932042a57f10 R14: ffff932042a57f10 R15: ffff908185548000 rming direct entry EXEC_RODATA # [ 58.013837] lkdtm: attempti[ 64.400314] FS: 00007f32e5375580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 ng ok execution at ffffffffa7ae0340 # [ 58.020383] lkdtm: att[ 64.415581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 empting bad execution at ffffffffa879c220 # [ 58.027014] kern[ 64.428211] CR2: 00007f32e517e000 CR3: 00000001026ae005 CR4: 00000000003706f0 el tried to execute NX-protected page - exploit attempt? (uid: 0[ 64.442407] Call Trace: ) # [ 58.035380] BUG: unable to handle page fault for address[ 64.451354] __refcount_add_not_zero.constprop.0+0x2a/0x35 : ffffffffa879c220 # [ 58.043060] #PF: supervisor instruction[ 64.463719] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 fetch in kernel mode # [ 58.049370] #PF: error_code(0x0011) [ 64.476206] direct_entry.cold+0x2c/0x38 - permissions violation # [ 58.055593] PGD 150429067 P4D 1504[ 64.486763] full_proxy_write+0x53/0x80 29067 PUD 15042a063 PMD 800000014fc000e1 # [ 58.063375] Oops[ 64.497338] vfs_write+0xe7/0x3a0 : 0011 [#9] SMP PTI # [ 58.073479] CPU: 2 PID: 1777 Comm: cat[ 64.507265] ksys_write+0x68/0xf0 Tainted: G D W 5.10.154-cip19 #1 # [ 58.082130][ 64.517157] do_syscall_64+0x30/0x40 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58[ 64.527395] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .088944] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 58.09[ 64.539258] RIP: 0033:0x7f32e528b8f3 4682] Code: ff ff 9e 1b 14 a8 ff ff ff ff c2 3c b8 a8 ff ff ff f[ 64.549497] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 f e4 02 14 a8 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00[ 64.576711] RSP: 002b:00007ffccc33e398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 6[ 64.591431] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32e528b8f3 8 69 73 20 69 # [ 58.115659] RSP: 0018:ffff93204243fe48 EFLAG[ 64.605647] RDX: 000000000000001f RSI: 00007f32e517e000 RDI: 0000000000000001 S: 00010246 # [ 58.121493] RAX: 0000000000000033 RBX: 0000000[ 64.619865] RBP: 00007f32e517e000 R08: 00007f32e517d010 R09: 0000000000000000 000000000 RCX: 0000000000000000 # [ 58.129462] RDX: 000000000[ 64.634131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 # [ 58.13[ 64.648323] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7434] RBP: ffffffffa879c220 R08: 0000000000000000 R09: 000000000[ 64.662558] irq event stamp: 0 0000000 # [ 58.145404] R10: 00000000ffffe000 R11: 3ffffffffff[ 64.672190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffff R12: 000000000000000c # [ 58.153376] R13: ffff93204243f[ 64.685386] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 f10 R14: ffff93204243ff10 R15: ffff908184031000 # [ 58.161347[ 64.700766] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ] FS: 00007f3dbfdb9580(0000) GS:ffff9081fad00000(0000) knlGS:00[ 64.716138] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000000 # [ 58.170387] CS: 0010 DS: 0000 ES: 0000 CR0[ 64.729355] ---[ end trace fc6479f7a606776d ]--- : 0000000080050033 # [ 58.176804] CR2: ffffffffa879c220 CR3: [ 64.740737] lkdtm: Overflow detected: saturated 0000000103008006 CR4: 00000000003706e0 # [ 58.184774] Call Trace: # [ 58.187503] ? execute_location+0x45/0x56 # [ 58.191994] ? direct_entry.cold+0x2c/0x38 # [ 58.196568] ? full_proxy_write+0x53/0x80 # [ 58.201044] ? vfs_write+0xe7/0x3a0 # [ 58.204944] ? ksys_write+0x68/0xf0 # [ 58.208837] ? do_syscall_64+0x30/0x40 # [ 58.213019] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.218856] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.245316] CR2: ffffffffa879c220 # [ 58.255227] ---[ end trace fc6479f7a6067762 ]--- # [ 58.260382] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.264760] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 58.285736] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 58.291569] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.299539] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 58.3[ 64.873905] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 64.882641] lkdtm: attempting good refcount_dec() [ 64.887963] lkdtm: attempting bad refcount_dec() to zero [ 64.893928] ------------[ cut here ]------------ [ 64.899100] refcount_t: decrement hit 0; leaking memory. [ 64.905057] WARNING: CPU: 3 PID: 2187 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 64.914492] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 07508] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 00000000[ 64.940967] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 64.955830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000001 # [ 58.315479] R10: 00000000ffffe000 R11: 3fffffffff[ 64.962642] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ffffff R12: 0000000000000004 # [ 58.323449] R13: ffff93204141[ 64.974698] Code: f0 f4 b1 a8 c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 b1 a8 c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 65.001903] RSP: 0018:ffff932042abfe48 EFLAGS: 00010286 [ 65.007773] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 65.015749] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 65.023724] RBP: ffffffffa8b83b31 R08: 0000000000000000 R09: 0000000000000000 [ 65.031724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 7f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 58.33141[ 65.039713] R13: ffff932042abff10 R14: ffff932042abff10 R15: ffff908184c6f000 [ 65.053894] FS: 00007fb18a493580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 65.062947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.069370] CR2: 00007fb18a29c000 CR3: 00000001038f8002 CR4: 00000000003706e0 [ 65.077345] Call Trace: [ 65.080081] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 65.085076] direct_entry.cold+0x2c/0x38 [ 65.089491] full_proxy_write+0x53/0x80 [ 65.093807] vfs_write+0xe7/0x3a0 [ 65.097541] ksys_write+0x68/0xf0 [ 65.101273] do_syscall_64+0x30/0x40 [ 65.105298] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.110987] RIP: 0033:0x7fb18a3a98f3 [ 65.115013] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.136004] RSP: 002b:00007ffe3187e268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.144468] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb18a3a98f3 [ 65.152442] RDX: 0000000000000012 RSI: 00007fb18a29c000 RDI: 0000000000000001 [ 65.160416] RBP: 00007fb18a29c000 R08: 00007fb18a29b010 R09: 0000000000000000 [ 65.168390] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.176366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.184345] irq event stamp: 0 9] FS: 00007f3dbfdb9580(0000) GS:ffff9081fad00000(0000) knlGS:0[ 65.187779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000000000 # [ 58.340459] CS: 0010 DS: 0000 ES: 0000 CR[ 65.200994] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.216352] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.225491] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.232492] ---[ end trace fc6479f7a606776e ]--- [ 65.237650] lkdtm: Zero detected: saturated 0: 0000000080050033 # [ 58.346876] CR2: ffffffffa879c220 CR3: 0000000103008006 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 58.477752] lkdtm: Performing direct entry EXEC_USERSPACE # [ 58.485225] lkdtm: attempting ok execution at ffffffffa7ae0340 # [ 58.491751] lkdtm: attempting bad execution at 00007f2ab2ed0000 # [ 58.498399] unable to execute userspace code (SMEP?) (uid: 0) # [ 58.504840] BUG: unable to handle page fault for address: 00007f2ab2ed0000 # [ 58.518735] #PF: supervisor instruction fetch in kernel mode # [ 58.525055] #PF: error_code(0x0011) - permissions violation # [ 58.531277] PGD 800000010415c067 P4D 800000010415c067 PUD 100ff9067 PMD 104e2b067 PTE 10e0dd067 # [ 58.541000] Oops: 0011 [#10] SMP PTI # [ 58.544988] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 58.553629] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.560437] RIP: 0010:0x7f2ab2ed0000 # [ 58.564424] Code: Unable to access opcode bytes at RIP 0x7f2ab2ecffd6. # [ 58.571714] RSP: 0018:ffff9320424cfe50 EFLAGS: 00010246 # [ 58.577547] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000[ 65.361348] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 000000000 # [ 58.585517] RDX: 0000000000000000 RSI: ffff9081f[ 65.373495] lkdtm: attempting bad refcount_dec() below zero ad9bf70 RDI: ffff9081fad9bf70 # [ 58.593487] RBP: 00007f2ab2e[ 65.385965] ------------[ cut here ]------------ d0000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.6014[ 65.397356] refcount_t: decrement hit 0; leaking memory. 56] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 65.409512] WARNING: CPU: 0 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0000f # [ 58.609427] R13: ffff9320424cff10 R14: ffff9320424cf[ 65.425150] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f10 R15: ffff908184c6e000 # [ 58.617397] FS: 00007f2ab2ea158[ 65.457820] CPU: 0 PID: 2222 Comm: cat Tainted: G D W 5.10.154-cip19 #1 0(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ [ 65.472674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 58.626436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.485705] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 58.632844] CR2: 00007f2ab2ed0000 CR3: 0000000103036002 CR4: [ 65.497777] Code: f0 f4 b1 a8 c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 b1 a8 c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00000000003706e0 # [ 58.640804] Call Trace: # [ 58.643534][ 65.524982] RSP: 0018:ffff932042b17e48 EFLAGS: 00010286 ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 58.648882] ? dir[ 65.537044] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ect_entry.cold+0x2c/0x38 # [ 58.653455] ? full_proxy_write+0[ 65.551204] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 x53/0x80 # [ 58.657944] ? vfs_write+0xe7/0x3a0 # [ 58.661[ 65.565435] RBP: ffffffffa8b83b43 R08: 0000000000000000 R09: 0000000000000000 837] ? ksys_write+0x68/0xf0 # [ 58.665730] ? do_syscall_64+[ 65.579613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0x30/0x40 # [ 58.669913] ? entry_SYSCALL_64_after_hwframe+0x[ 65.593844] R13: ffff932042b17f10 R14: ffff932042b17f10 R15: ffff90818552e000 61/0xc6 # [ 58.675773] Modules linked in: fuse ip_tables cros[ 65.608058] FS: 00007f0665ff7580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 65.623297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_s[ 65.635927] CR2: 00007f0665e00000 CR3: 000000010329e004 CR4: 00000000003706f0 ysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros[ 65.650139] Call Trace: _ec_dev cros_usbpd_notify # [ 58.702235] CR2: 00007f2ab2ed000[ 65.659141] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 0 # [ 58.712148] ---[ end trace fc6479f7a6067763 ]--- # [ [ 65.670665] direct_entry.cold+0x2c/0x38 58.717305] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.721683] Code: [ 65.681298] full_proxy_write+0x53/0x80 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff f[ 65.691817] vfs_write+0xe7/0x3a0 f ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0[ 65.701759] ksys_write+0x68/0xf0 f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 0[ 65.711614] do_syscall_64+0x30/0x40 2 # [ 58.742666] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 [ 65.721838] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.748501] RAX: ffffffffa7adff70 RBX: 0000000000000001 RC[ 65.733699] RIP: 0033:0x7f0665f0d8f3 X: 0000000000000000 # [ 58.756470] RDX: 0000000000000000 RSI:[ 65.743883] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 58.764440] RBP: f[ 65.771086] RSP: 002b:00007fff69501e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [[ 65.785785] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0665f0d8f3 58.772409] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 65.800034] RDX: 0000000000000016 RSI: 00007f0665e00000 RDI: 0000000000000001 000000000000004 # [ 58.780379] R13: ffff932041417f10 R14: fff[ 65.814170] RBP: 00007f0665e00000 R08: 00007f0665dff010 R09: 0000000000000000 f932041417f10 R15: ffff90818295d000 # [ 58.788350] FS: 00007[ 65.828357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 f2ab2ea1580(0000) GS:ffff9081fad80000(0000) knlGS:00000000000000[ 65.842541] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 # [ 58.797387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 65.856728] irq event stamp: 0 050033 # [ 58.803803] CR2: 00007f2ab2ed0000 CR3: 000000010303[ 65.866357] hardirqs last enabled at (0): [<0000000000000000>] 0x0 6002 CR4: 00000000003706e0 # [ 58.811774] BUG: sleeping funct[ 65.879595] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ion called from invalid context at include/linux/percpu-rwsem.h:[ 65.894949] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 49 # [ 58.821687] in_atomic(): 0, irqs_disabled(): 1, non_blo[ 65.910340] softirqs last disabled at (0): [<0000000000000000>] 0x0 ck: 0, pid: 1813, name: cat # [ 58.830143] INFO: lockdep is t[ 65.923580] ---[ end trace fc6479f7a606776f ]--- urned off. # [ 58.834519] irq event stamp: 0 # [ 58.837948[ 65.934956] lkdtm: Negative detected: saturated ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.844950] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.854087] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.863224] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.870223] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 58.878872] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.885677] Call Trace: # [ 58.888406] dump_stack+0x77/0x9b # [ 58.892107] ___might_sleep.cold+0xa6/0xb6 # [ 58.896680] exit_signals+0x1c/0x2e0 # [ 58.900661] do_exit+0xd5/0xb00 # [ 58.904164] ? ksys_write+0x68/0xf0 # [ 58.908056] rewind_stack_do_exit+0x17/0x20 # [ 58.912715] RIP: 0033:0x7f2ab2db78f3 # [ 58.916702] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.937683] RSP: 002b:00007ffdadc3f1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.946139] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f2ab2db78f3 # [ 66.063796] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 58.954109] RDX: 000000000000000f RSI: 00007f2ab2caa000 RDI: [ 66.071922] lkdtm: attempting bad refcount_dec_and_test() below zero 0000000000000001 # [ 58.962079] RBP: 00007f2ab2caa000 R08: 00[ 66.085232] ------------[ cut here ]------------ 007f2ab2ca9010 R09: 0000000000000000 # [ 58.970051] R10: ffff[ 66.096627] refcount_t: underflow; use-after-free. fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 66.108212] WARNING: CPU: 0 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 58.978021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 66.123874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 sel[ 66.156525] CPU: 0 PID: 2257 Comm: cat Tainted: G D W 5.10.154-cip19 #1 ftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.[ 66.171382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 sh # Killed # [ 59.094396] lkdtm: Performing direct entry EX[ 66.184401] RIP: 0010:refcount_warn_saturate+0xba/0x110 EC_NULL # [ 59.103458] lkdtm: attempting ok execution at ffff[ 66.196526] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 ffffa7ae0340 # [ 59.109986] lkdtm: attempting bad execution a[ 66.223690] RSP: 0018:ffff932042bafe40 EFLAGS: 00010286 t 0000000000000000 # [ 59.116613] BUG: kernel NULL pointer de[ 66.235767] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 reference, address: 0000000000000000 # [ 59.124395] #PF: supe[ 66.250016] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 rvisor instruction fetch in kernel mode # [ 59.130715] #PF: e[ 66.264135] RBP: ffffffffa8b83798 R08: 0000000000000000 R09: 0000000000000000 rror_code(0x0010) - not-present page # [ 59.136452] PGD 0 P4D[ 66.278310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0 # [ 59.139267] Oops: 0010 [#11] SMP PTI # [ 59.143255][ 66.292525] R13: ffff932042baff10 R14: ffff932042baff10 R15: ffff9081854ef000 CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.154[ 66.306684] FS: 00007f6cf9beb580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 -cip19 #1 # [ 59.151907] Hardware name: Google Rammus/Rammus,[ 66.321969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 BIOS 09/04/2020 # [ 59.158713] RIP: 0010:0x0 # [ 59.1616[ 66.334589] CR2: 00007f6cf99f4000 CR3: 00000001032ea004 CR4: 00000000003706f0 36] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd[ 66.348802] Call Trace: 6. # [ 59.169315] RSP: 0018:ffff932042457e48 EFLAGS: 00010246[ 66.357773] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 59.175150] RAX: 0000000000000033 RBX: 0000000000000000 R[ 66.370162] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 CX: 0000000000000000 # [ 59.183120] RDX: 0000000000000000 RSI[ 66.382577] direct_entry.cold+0x2c/0x38 : ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 59.191091] RBP: [ 66.393213] full_proxy_write+0x53/0x80 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 66.403647] vfs_write+0xe7/0x3a0 [ 59.199061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 66.413582] ksys_write+0x68/0xf0 000000000000000a # [ 59.207030] R13: ffff932042457f10 R14: ff[ 66.423507] do_syscall_64+0x30/0x40 ff932042457f10 R15: ffff908184e21000 # [ 59.215001] FS: 0000[ 66.433733] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7f44179df580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000[ 66.445550] RIP: 0033:0x7f6cf9b018f3 000 # [ 59.224042] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 66.455780] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0050033 # [ 59.230458] CR2: ffffffffffffffd6 CR3: 00000001041[ 66.482965] RSP: 002b:00007fff9876b108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f2002 CR4: 00000000003706e0 # [ 59.238430] Call Trace: # [ [ 66.497634] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6cf9b018f3 59.241158] execute_location+0x45/0x56 # [ 59.245439] direc[ 66.511822] RDX: 000000000000001f RSI: 00007f6cf99f4000 RDI: 0000000000000001 t_entry.cold+0x2c/0x38 # [ 59.249809] full_proxy_write+0x53/[ 66.526010] RBP: 00007f6cf99f4000 R08: 00007f6cf99f3010 R09: 0000000000000000 0x80 # [ 59.254091] vfs_write+0xe7/0x3a0 # [ 59.257789] [ 66.540207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ksys_write+0x68/0xf0 # [ 59.261488] do_syscall_64+0x30/0x40 [ 66.554391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.265478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [[ 66.568585] irq event stamp: 0 59.271118] RIP: 0033:0x7f44178f58f3 # [ 59.275107] Code: 8[ 66.578197] hardirqs last enabled at (0): [<0000000000000000>] 0x0 b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 66.591415] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 66.606771] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 66.622120] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.296093] RSP: 002b:00007fff6ae1a8f8 EFLAGS: 00000246 O[ 66.635341] ---[ end trace fc6479f7a6067770 ]--- RIG_RAX: 0000000000000001 # [ 59.304549] RAX: ffffffffffffffd[ 66.646710] lkdtm: Negative detected: saturated a RBX: 000000000000000a RCX: 00007f44178f58f3 # [ 59.312517] RDX: 000000000000000a RSI: 00007f44177e8000 RDI: 0000000000000001 # [ 59.320488] RBP: 00007f44177e8000 R08: 00007f44177e7010 R09: 0000000000000000 # [ 59.328459] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.336431] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.344406] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.370874] CR2: 0000000000000000 # [ 59.374574] ---[ end trace fc6479f7a6067764 ]--- # [ 59.379735] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.390325] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 59.411308] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 59.417142] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.425113] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 59.433082] RBP: ffffffffa8b[ 66.777997] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 66.789879] lkdtm: attempting bad refcount_sub_and_test() below zero [ 66.797013] ------------[ cut here ]------------ dee80 R08: 0000000000000001 R09: 0000000000000001 # [ 59.4410[ 66.802201] refcount_t: underflow; use-after-free. 51] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 66.813781] WARNING: CPU: 2 PID: 2292 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00004 # [ 59.449021] R13: ffff932041417f10 R14: ffff932041417[ 66.829420] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.862072] CPU: 2 PID: 2292 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 66.870757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.877594] RIP: 0010:refcount_warn_saturate+0xba/0x110 f10 R15: ffff90818295d000 # [ 59.456995] FS: 00007f44179df58[ 66.883446] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 [ 66.910637] RSP: 0018:ffff932042c37e40 EFLAGS: 00010286 [ 66.916497] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 66.924471] RDX: ffff9081fad2c660 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 [ 66.932444] RBP: ffffffffa8b837b8 R08: 0000000000000000 R09: 0000000000000000 [ 66.940418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.948392] R13: ffff932042c37f10 R14: ffff932042c37f10 R15: ffff9081827da000 [ 66.956366] FS: 00007fd3c3a70580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 [ 66.965409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.971828] CR2: 00007fd3c3879000 CR3: 0000000103646001 CR4: 00000000003706e0 [ 66.979803] Call Trace: [ 66.982539] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 66.988700] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 66.994962] direct_entry.cold+0x2c/0x38 [ 66.999351] full_proxy_write+0x53/0x80 [ 67.003665] vfs_write+0xe7/0x3a0 [ 67.007397] ksys_write+0x68/0xf0 [ 67.011102] do_syscall_64+0x30/0x40 [ 67.015126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.020769] RIP: 0033:0x7fd3c39868f3 [ 67.024791] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.045776] RSP: 002b:00007ffe5cbd0e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.054265] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd3c39868f3 [ 67.062239] RDX: 000000000000001f RSI: 00007fd3c3879000 RDI: 0000000000000001 [ 67.070211] RBP: 00007fd3c3879000 R08: 00007fd3c3878010 R09: 0000000000000000 [ 67.078185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.086158] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ [ 67.094139] irq event stamp: 0 59.466033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.103760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.117001] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.126169] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.135310] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.142313] ---[ end trace fc6479f7a6067771 ]--- [ 67.147471] lkdtm: Negative detected: saturated [ 59.472448] CR2: ffffffffffffffd6 CR3: 00000001041f2002 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 59.590005] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 59.598587] lkdtm: attempting bad read at 00007f2dd063a000 # [ 59.604732] BUG: unable to handle page fault for address: 00007f2dd063a000 # [ 59.618614] #PF: supervisor read access in kernel mode # [ 59.624352] #PF: error_code(0x0001) - permissions violation # [ 59.630575] PGD 80000001054e9067 P4D 80000001054e9067 PUD 102867067 PMD 105c2b067 PTE 1145e1067 # [ 59.646516] Oops: 0001 [#12] SMP PTI # [ 59.650506] CPU: 2 PID: 1884 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 59.659147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.665955] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 59.672178] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 e0 49 b8 a8 e8 64 99 fd ff 48 c7 c7 08 4a b8 a8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 30 4a b8 # [ 59.693154] RSP: 0018:ffff93204259fe48 EFLAGS: 00010246 # [ 59.698993] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 00000000000000[ 67.272647] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 67.283196] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 67.290330] lkdtm: Good: zero detected [ 67.294553] lkdtm: Correctly stayed at zero 00 # [ 59.706964] RDX: 0000000000000000 RSI: ffff9081fad1bf70[ 67.299244] lkdtm: attempting bad refcount_inc() from zero [ 67.311584] ------------[ cut here ]------------ [ 67.316743] refcount_t: addition on 0; use-after-free. [ 67.322514] WARNING: CPU: 3 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 RDI: ffffffffa8b84a08 # [ 59.714942] RBP: 00007f2dd063a000 R[ 67.331951] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.364591] CPU: 3 PID: 2324 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 67.373275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 08: 0000000000000000 R09: 0000000000000000 # [ 59.722913] R10[ 67.380088] RIP: 0010:refcount_warn_saturate+0x74/0x110 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 67.392141] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 a8 c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 [ 67.419346] RSP: 0018:ffff932042ccfe48 EFLAGS: 00010286 [ 67.425204] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 67.433202] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 59.730908] R13: ffff93204259ff10 R14: ffff93204259ff10 R15[ 67.441187] RBP: ffffffffa8b83b59 R08: 0000000000000000 R09: 0000000000000000 [ 67.455368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 67.463341] R13: ffff932042ccff10 R14: ffff932042ccff10 R15: ffff9081854a1000 [ 67.471315] FS: 00007fd8eb11c580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 67.480358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.486778] CR2: 00007fd8eaf25000 CR3: 0000000104d9a001 CR4: 00000000003706e0 [ 67.494751] Call Trace: [ 67.497483] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 67.502480] direct_entry.cold+0x2c/0x38 [ 67.506893] full_proxy_write+0x53/0x80 [ 67.511201] vfs_write+0xe7/0x3a0 : ffff908183476000 # [ 59.738880] FS: 00007f2dd060b580(0000)[ 67.514945] ksys_write+0x68/0xf0 [ 67.524865] do_syscall_64+0x30/0x40 [ 67.528859] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.534527] RIP: 0033:0x7fd8eb0328f3 [ 67.538519] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.559511] RSP: 002b:00007ffd5622bbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.567993] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8eb0328f3 [ 67.575968] RDX: 0000000000000012 RSI: 00007fd8eaf25000 RDI: 0000000000000001 [ 67.583994] RBP: 00007fd8eaf25000 R08: 00007fd8eaf24010 R09: 0000000000000000 [ 67.591983] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.599993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.607985] irq event stamp: 0 [ 67.611426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.618431] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.627572] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.636710] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.643713] ---[ end trace fc6479f7a6067772 ]--- [ 67.648870] lkdtm: Zero detected: saturated GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 59.747910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.754326] CR2: 00007f2dd063a000 CR3: 000000010318c002 CR4: 00000000003706e0 # [ 59.762297] Call Trace: # [ 59.765028] direct_entry.cold+0x2c/0x38 # [ 59.769409] full_proxy_write+0x53/0x80 # [ 59.773690] vfs_write+0xe7/0x3a0 # [ 59.777389] ksys_write+0x68/0xf0 # [ 59.781088] do_syscall_64+0x30/0x40 # [ 59.785079] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.790721] RIP: 0033:0x7f2dd05218f3 # [ 59.794710] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.815696] RSP: 002b:00007ffe51d591f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.824154] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2dd05218f3 # [ 59.832124] RDX: 0000000000000011 RSI: 00007f2dd0414000 RDI: 0000000000000001 # [ 59.840095] RBP: 00007f2dd0414000 R08: 00007f2dd0413010 R09: 0000000000000000 # [ 59.848067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.856039] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.864013] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.890476] CR2: 00007f2dd063a000 # [ 59.900387] ---[ end trace fc6479f7a6067765 ]--- # [ 59.905543] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.909911] Code: 89 ff e8 6[ 67.821245] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 67.827690] lkdtm: attempting safe refcount_add_not_zero() from zero [ 67.834832] lkdtm: Good: zero detected [ 67.839046] lkdtm: Correctly stayed at zero e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc[ 67.843744] lkdtm: attempting bad refcount_add() from zero [ 67.856082] ------------[ cut here ]------------ [ 67.861238] refcount_t: addition on 0; use-after-free. [ 67.866988] WARNING: CPU: 3 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 67.876427] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0[ 67.902891] CPU: 3 PID: 2356 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 67.917755] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.924564] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 67.930401] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 a8 c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 [ 67.951389] RSP: 0018:ffff932042d47e48 EFLAGS: 00010286 [ 67.957226] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 67.965200] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 67.973175] RBP: ffffffffa8b83b6b R08: 0000000000000000 R09: 0000000000000000 [ 67.981149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 67.989124] R13: ffff932042d47f10 R14: ffff932042d47f10 R15: ffff908184ddd000 [ 67.997099] FS: 00007f4e30fea580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 68.006140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.012558] CR2: 00007f4e30df3000 CR3: 00000001031a2005 CR4: 00000000003706e0 [ 68.020532] Call Trace: [ 68.023263] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 68.028259] direct_entry.cold+0x2c/0x38 [ 68.032664] full_proxy_write+0x53/0x80 [ 68.036987] vfs_write+0xe7/0x3a0 [ 68.040720] ksys_write+0x68/0xf0 [ 68.044422] do_syscall_64+0x30/0x40 [ 68.048416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.054061] RIP: 0033:0x7f4e30f008f3 [ 68.058053] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.079044] RSP: 002b:00007fff454ecf48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.087503] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4e30f008f3 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 5[ 68.095479] RDX: 0000000000000012 RSI: 00007f4e30df3000 RDI: 0000000000000001 9.930900] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 59.[ 68.109670] RBP: 00007f4e30df3000 R08: 00007f4e30df2010 R09: 0000000000000000 [ 68.123860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.131834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.139831] irq event stamp: 0 936724] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000[ 68.143248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.156463] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.165629] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 000000000 # [ 59.944696] RDX: 0000000000000000 RSI: ffff9081f[ 68.174780] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.187999] ---[ end trace fc6479f7a6067773 ]--- [ 68.193157] lkdtm: Zero detected: saturated ad1bf70 RDI: ffffffffa879bd90 # [ 59.952666] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 59.960638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.968610] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 59.976580] FS: 00007f2dd060b580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 59.985620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.992036] CR2: 00007f2dd063a000 CR3: 000000010318c002 CR4: 00000000003706e0 # [ 60.000007] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.009940] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1884, name: cat # [ 60.018396] INFO: lockdep is turned off. # [ 60.022771] irq event stamp: 0 # [ 60.026176] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.033177] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.042305] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.051442] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.058444] CPU: 2 PID: 1884 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 60.067094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.073898] Call Trace: # [ [ 68.324002] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 68.335200] lkdtm: attempting bad refcount_inc() from saturated [ 68.341859] ------------[ cut here ]------------ [ 68.347043] refcount_t: saturated; leaking memory. [ 68.352434] WARNING: CPU: 3 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 68.361873] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.388324] CPU: 3 PID: 2391 Comm: cat Tainted: G D W 5.10.154-cip19 #1 60.076626] dump_stack+0x77/0x9b # [ 60.080324] ___might_s[ 68.396979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.410004] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 68.415862] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 [ 68.436852] RSP: 0018:ffff932042dc7e48 EFLAGS: 00010286 [ 68.442690] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 68.450672] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 68.458678] RBP: ffffffffa8b83b7d R08: 0000000000000000 R09: 0000000000000000 leep.cold+0xa6/0xb6 # [ 60.084897] exit_signals+0x1c/0x2e0 [ 68.466676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.480860] R13: ffff932042dc7f10 R14: ffff932042dc7f10 R15: ffff908184ce0000 [ 68.488834] FS: 00007f8407c9e580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 68.497877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.504296] CR2: 00007f8407aa7000 CR3: 000000010355a003 CR4: 00000000003706e0 [ 68.512269] Call Trace: [ 68.515002] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 68.520481] direct_entry.cold+0x2c/0x38 [ 68.524885] full_proxy_write+0x53/0x80 [ 68.529194] vfs_write+0xe7/0x3a0 [ 68.532894] ksys_write+0x68/0xf0 [ 68.536596] do_syscall_64+0x30/0x40 [ 68.540612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.546280] RIP: 0033:0x7f8407bb48f3 [ 68.550271] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.571258] RSP: 002b:00007ffca9d34ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.579718] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8407bb48f3 [ 68.587690] RDX: 0000000000000017 RSI: 00007f8407aa7000 RDI: 0000000000000001 [ 68.595665] RBP: 00007f8407aa7000 R08: 00007f8407aa6010 R09: 0000000000000000 [ 68.603639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.611614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.619593] irq event stamp: 0 # [ 60.088877] do_exit+0xd5/0xb00 # [ 60.092382] ? ksys_w[ 68.623027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.636241] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.645379] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.654519] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.661522] ---[ end trace fc6479f7a6067774 ]--- rite+0x68/0xf0 # [ 60.096274] rewind_stack_do_exit+0x17/0x20[ 68.666678] lkdtm: Saturation detected: still saturated # [ 60.100947] RIP: 0033:0x7f2dd05218f3 # [ 60.104940] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.125943] RSP: 002b:00007ffe51d591f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.134401] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2dd05218f3 # [ 60.142373] RDX: 0000000000000011 RSI: 00007f2dd0414000 RDI: 0000000000000001 # [ 60.150344] RBP: 00007f2dd0414000 R08: 00007f2dd0413010 R09: 0000000000000000 # [ 60.158315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.166286] 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 # [ 60.286182] lkdtm: Performing direct entry ACCESS_NULL # [ 60.298127] lkdtm: attempting bad read at 0000000000000000 # [ 60.304286] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 60.312072] #PF: supervisor read access in kernel mode # [ 60.324025] #PF: error_code(0x0000) - not-present page # [ 60.329761] PGD 0 P4D 0 # [ 60.332587] Oops: 0000 [#13] SMP PTI # [ 60.342791] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 6[ 68.815143] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 68.822295] lkdtm: attempting bad refcount_dec() from saturated [ 68.828921] ------------[ cut here ]------------ [ 68.834085] refcount_t: decrement hit 0; leaking memory. [ 68.840037] WARNING: CPU: 3 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 68.849475] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0.351442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.875936] CPU: 3 PID: 2426 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 68.890800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.897609] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 68.903446] Code: f0 f4 b1 a8 c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 b1 a8 c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 68.924438] RSP: 0018:ffff932042e4fe48 EFLAGS: 00010286 [ 68.930277] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 68.938251] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 68.946226] RBP: ffffffffa8b83b94 R08: 0000000000000000 R09: 0000000000000000 # [ 60.358252] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 6[ 68.954204] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.968397] R13: ffff932042e4ff10 R14: ffff932042e4ff10 R15: ffff9081856d2000 [ 68.976404] FS: 00007f33d5810580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 68.985446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.991868] CR2: 00007f33d5619000 CR3: 0000000104e06003 CR4: 00000000003706e0 [ 68.999843] Call Trace: [ 69.002576] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 0.363503] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 e7 6c 3c [ 69.008063] direct_entry.cold+0x2c/0x38 [ 69.018666] full_proxy_write+0x53/0x80 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 e0 49 b8 a8 e[ 69.022960] vfs_write+0xe7/0x3a0 [ 69.032867] ksys_write+0x68/0xf0 [ 69.036593] do_syscall_64+0x30/0x40 [ 69.040615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.046283] RIP: 0033:0x7f33d57268f3 [ 69.050277] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.071267] RSP: 002b:00007ffd651b3178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.079754] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f33d57268f3 [ 69.087728] RDX: 0000000000000017 RSI: 00007f33d5619000 RDI: 0000000000000001 [ 69.095701] RBP: 00007f33d5619000 R08: 00007f33d5618010 R09: 0000000000000000 [ 69.103675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.111648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.119644] irq event stamp: 0 8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 [ 69.123063] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.136275] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.145417] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.154559] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.161561] ---[ end trace fc6479f7a6067775 ]--- [ 69.166718] lkdtm: Saturation detected: still saturated 08 4a b8 a8 48 01 # [ 60.384491] RSP: 0018:ffff932042667e58 EFLAGS: 00010246 # [ 60.390317] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 60.398287] RDX: 0000000000000000 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 60.406256] RBP: ffffffffa8b83ad1 R08: 0000000000000000 R09: 0000000000000000 # [ 60.414226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 60.422196] R13: ffff932042667f10 R14: ffff932042667f10 R15: ffff908184d3b000 # [ 60.430167] FS: 00007f58db000580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 60.439205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.445622] CR2: 0000000000000000 CR3: 00000001054a0002 CR4: 00000000003706e0 # [ 60.453593] Call Trace: # [ 60.456321] direct_entry.cold+0x2c/0x38 # [ 60.460702] full_proxy_write+0x53/0x80 # [ 60.464999] vfs_write+0xe7/0x3a0 # [ 60.468688] ksys_write+0x68/0xf0 # [ 60.472386] do_syscall_64+0x30/0x40 # [ 60.476376] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.482017] RIP: 0033:0x7f58daf168f3 # [ 60.486005] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.506995] RSP: 002b:00007ffeef0b4708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 69.303393] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 60.515465] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00[ 69.316216] lkdtm: attempting bad refcount_dec() from saturated 007f58daf168f3 # [ 60.523436] RDX: 000000000000000c RSI: 0000[ 69.329043] ------------[ cut here ]------------ 7f58dae09000 RDI: 0000000000000001 # [ 60.531406] RBP: 00007f[ 69.340414] refcount_t: saturated; leaking memory. 58dae09000 R08: 00007f58dae08010 R09: 0000000000000000 # [ 60[ 69.351995] WARNING: CPU: 1 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 .539376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 69.367636] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000001 # [ 60.547345] R13: 0000000000000001 R14: 00000000[ 69.400307] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.154-cip19 #1 00020000 R15: 0000000000020000 # [ 60.555319] Modules linked [ 69.415154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 69.428176] RIP: 0010:refcount_warn_saturate+0x51/0x110 alio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cro[ 69.440227] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 s_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x8[ 69.467429] RSP: 0018:ffff932042e2fe48 EFLAGS: 00010286 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.58178[ 69.479482] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 5] CR2: 0000000000000000 # [ 60.591698] ---[ end trace fc6479[ 69.493671] RDX: ffff9081facac660 RSI: ffff9081fac9bf70 RDI: ffff9081fac9bf70 [ 69.507861] RBP: ffffffffa8b83bab R08: 0000000000000000 R09: 0000000000000000 f7a6067766 ]--- # [ 60.596853] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 69.515835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 60.601222] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff[ 69.530020] R13: ffff932042e2ff10 R14: ffff932042e2ff10 R15: ffff90818287a000 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff [ 69.544208] FS: 00007fc4d06c6580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 [ 69.559466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 69.565886] CR2: 00007fc4d04cf000 CR3: 000000010287c004 CR4: 00000000003706e0 [ 69.580072] Call Trace: 00 00 83 05 a0 c6 92 02 # [ 60.622208] RSP: 0018:ffff9320414[ 69.582809] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 17e60 EFLAGS: 00010282 # [ 60.628041] RAX: ffffffffa7adff70 R[ 69.594466] direct_entry.cold+0x2c/0x38 BX: 0000000000000001 RCX: 0000000000000000 # [ 60.636011] RDX[ 69.605064] full_proxy_write+0x53/0x80 : 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 [ 69.615564] vfs_write+0xe7/0x3a0 # [ 60.643995] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09[ 69.625483] ksys_write+0x68/0xf0 : 0000000000000001 # [ 60.651965] R10: 00000000ffffe000 R11: [ 69.635403] do_syscall_64+0x30/0x40 3fffffffffffffff R12: 0000000000000004 # [ 60.659942] R13: ff[ 69.645610] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ [ 69.657466] RIP: 0033:0x7fc4d05dc8f3 60.667932] FS: 00007f58db000580(0000) GS:ffff9081fad80000(000[ 69.667673] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0) knlGS:0000000000000000 # [ 60.676981] CS: 0010 DS: 0000 E[ 69.694877] RSP: 002b:00007fff169e6e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 S: 0000 CR0: 0000000080050033 # [ 60.689611] CR2: 00000000000[ 69.709555] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc4d05dc8f3 00000 CR3: 00000001054a0002 CR4: 00000000003706e0 # ACCESS_NULL[ 69.723743] RDX: 0000000000000017 RSI: 00007fc4d04cf000 RDI: 0000000000000001 : saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh [ 69.737949] RBP: 00007fc4d04cf000 R08: 00007fc4d04ce010 R09: 0000000000000000 # selftests: lkdtm: WRITE_RO.sh # Killed # [ 60.807760] lkd[ 69.752134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 tm: Performing direct entry WRITE_RO # [ 60.815017] lkdtm: at[ 69.766320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tempting bad rodata write at ffffffffa879c210 # [ 60.828174] [ 69.780514] irq event stamp: 0 BUG: unable to handle page fault for address: ffffffffa879c210 [ 69.790132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.842026] #PF: supervisor write access in kernel mode # [ 69.803350] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.847860] #PF: error_code(0x0003) - permissions violation [ 69.818701] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.854081] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 8[ 69.834055] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000014fc000e1 # [ 60.861866] Oops: 0003 [#14] SMP PTI # [[ 69.847272] ---[ end trace fc6479f7a6067776 ]--- 60.865855] CPU: 0 PID: 1954 Comm: cat Tainted: G D W [ 69.858645] lkdtm: Saturation detected: still saturated 5.10.154-cip19 #1 # [ 60.874498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.881307] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 60.886272] Code: 00 48 c7 c7 c0 48 b8 a8 48 c7 c6 10 c2 79 a8 e8 8c 9b fd ff 48 8b 05 e1 bb 65 00 ba 34 12 cd ab 48 c7 c7 f0 48 b8 a8 48 31 d0 <48> 89 05 cb bb 65 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da ec # [ 60.907251] RSP: 0018:ffff9320426efe60 EFLAGS: 00010202 # [ 60.913085] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 60.921056] RDX: 00000000abcd1234 RSI: ffff9081fac1bf70 RDI: ffffffffa8b848f0 # [ 60.929025] RBP: ffffffffa8b83add R08: 0000000000000000 R09: 0000000000000000 # [ 60.936994] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 60.944965] R13: ffff9320426eff10 R14: ffff9320426eff10 R15: ffff9081834ad000 # [ 60.952943] FS: 00007fa095572580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 60.961987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.968403] CR2: ffffffffa879c210 CR3: 00000001027b2001 CR4: 00000000003706f0 # [ 60.976374] Call Trace: # [ 60.979103] direct_entry.cold+0x2c/0x38 # [ 60.983484] full_proxy_write+0x53/0x80 # [ 60.987771] vfs_write+0xe7/0x3a0 # [ 60.991474] ksys_write+0x68/0xf0 # [ 60.995165] do_syscall_64+0x30/0x40 # [ 69.998408] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 70.009043] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 70.016541] ------------[ cut here ]------------ [ 60.999156] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 70.021707] refcount_t: saturated; leaking memory. 61.004796] RIP: 0033:0x7fa0954888f3 # [ 61.008776] Code: 8b 1[ 70.033283] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 5 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 70.048920] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 70.081557] CPU: 3 PID: 2493 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 70.096422] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 70.103231] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 61.029763] RSP: 002b:00007fffef60fdf8 EFLAGS: 00000246 ORIG[ 70.115275] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 _RAX: 0000000000000001 # [ 61.038212] RAX: ffffffffffffffda R[ 70.142470] RSP: 0018:ffff932042f5fe38 EFLAGS: 00010282 [ 70.154519] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 BX: 0000000000000009 RCX: 00007fa0954888f3 # [ 61.046182] RDX[ 70.162489] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 70.176669] RBP: ffffffffa8b837d8 R08: 0000000000000000 R09: 0000000000000000 : 0000000000000009 RSI: 00007fa09537b000 RDI: 0000000000000001 [ 70.184640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 61.054152] RBP: 00007fa09537b000 R08: 00007fa09537a010 R09[ 70.198823] R13: ffff932042f5ff10 R14: ffff932042f5ff10 R15: ffff9081854bf000 : 0000000000000000 # [ 61.062122] R10: fffffffffffffbc5 R11: [ 70.213011] FS: 00007fc5af82b580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 0000000000000246 R12: 0000000000000001 # [ 61.070092] R13: 00[ 70.228266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 70.240901] CR2: 00007fc5af634000 CR3: 0000000102960005 CR4: 00000000003706e0 61.078067] Modules linked in: fuse ip_tables cros_ec_sensors c[ 70.255088] Call Trace: ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 70.264036] __refcount_add_not_zero.constprop.0+0x2a/0x35 strialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_[ 70.276376] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_[ 70.288913] direct_entry.cold+0x2c/0x38 usbpd_notify # [ 61.104512] CR2: ffffffffa879c210 # [ 61.1[ 70.299508] full_proxy_write+0x53/0x80 08209] ---[ end trace fc6479f7a6067767 ]--- # [ 61.113364] RI[ 70.310005] vfs_write+0xe7/0x3a0 P: 0010:lkdtm_BUG+0x5/0x10 # [ 61.117733] Code: 89 ff e8 6e a[ 70.319918] ksys_write+0x68/0xf0 3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc[ 70.329833] do_syscall_64+0x30/0x40 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 70.340036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 61.1[ 70.351892] RIP: 0033:0x7fc5af7418f3 38720] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 61.144[ 70.362096] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 554] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000[ 70.389298] RSP: 002b:00007ffc611fdb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000 # [ 61.152525] RDX: 0000000000000000 RSI: ffff9081fad1[ 70.403970] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc5af7418f3 [ 70.418159] RDX: 0000000000000020 RSI: 00007fc5af634000 RDI: 0000000000000001 bf70 RDI: ffffffffa879bd90 # [ 61.160495] RBP: ffffffffa8bdee[ 70.426132] RBP: 00007fc5af634000 R08: 00007fc5af633010 R09: 0000000000000000 [ 70.440315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 80 R08: 0000000000000001 R09: 0000000000000001 # [ 61.168465][ 70.448287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 70.462477] irq event stamp: 0 04 # [ 61.176434] R13: ffff932041417f10 R14: ffff932041417f10[ 70.472095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R15: ffff90818295d000 # [ 61.184405] FS: 00007fa095572580(0[ 70.485310] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 61.[ 70.500659] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 193444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 70.516010] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.529224] ---[ end trace fc6479f7a6067777 ]--- 61.199860] CR2: ffffffffa879c210 CR3: 00000001027b2001 CR4: 000[ 70.534379] lkdtm: Saturation detected: still saturated 00000003706f0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 61.364071] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 61.375951] lkdtm: attempting bad ro_after_init write at ffffffffa8bff330 # [ 61.389766] BUG: unable to handle page fault for address: ffffffffa8bff330 # [ 61.397455] #PF: supervisor write access in kernel mode # [ 61.409503] #PF: error_code(0x0003) - permissions violation # [ 61.415727] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 80000001500000e1 # [ 61.423509] Oops: 0003 [#15] SMP PTI # [ 61.433712] CPU: 2 PID: 1989 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 61.442366] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.455389] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 61.467635] Code: 49 b8 a8 e9 3e 9b fd ff 48 c7 c7 48 49 b8 a8 e8 32 9b fd ff 48 8b 05 a7 ec ab 00 ba 34 12 cd ab 48 c7 c7 f0 48 b8 a8 48 31 d0 <48> 89 05 91 ec ab 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 61.488622] RSP: 0018:ffff93204276fe60 EFLAGS: 00010202 # [ 61.494456] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 61.502428] RDX: 00000000abcd1234 RSI: ffff9081fad1bf70 RDI: ffffffffa8b848f0 # [ 61.510398] RBP: ffffffffa8b83ae6 R08: 0000000000000000 R09: 0000000000000000 # [ 61.518368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ [ 70.685044] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 70.697057] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 70.704555] ------------[ cut here ]------------ [ 70.709723] refcount_t: saturated; leaking memory. [ 70.715093] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 70.724536] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.750995] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 70.759651] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.766461] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 70.772299] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 [ 70.793290] RSP: 0018:ffff932042ff7e38 EFLAGS: 00010282 [ 70.799127] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 70.807101] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 [ 70.815074] RBP: ffffffffa8b837f8 R08: 0000000000000000 R09: 0000000000000000 [ 70.823049] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.831023] R13: ffff932042ff7f10 R14: ffff932042ff7f10 R15: ffff908184db5000 [ 70.838999] FS: 00007f6af1728580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 [ 70.848041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.854461] CR2: 00007f6af1531000 CR3: 00000001056ba004 CR4: 00000000003706e0 [ 70.862436] Call Trace: [ 70.865168] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 70.871329] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 70.877654] direct_entry.cold+0x2c/0x38 [ 70.882037] full_proxy_write+0x53/0x80 [ 70.886323] vfs_write+0xe7/0x3a0 [ 70.890049] ksys_write+0x68/0xf0 [ 70.893751] do_syscall_64+0x30/0x40 [ 70.897769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.903415] RIP: 0033:0x7f6af163e8f3 [ 70.907408] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.928400] RSP: 002b:00007ffca2195c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.936861] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6af163e8f3 [ 70.944834] RDX: 0000000000000020 RSI: 00007f6af1531000 RDI: 0000000000000001 [ 70.952810] RBP: 00007f6af1531000 R08: 00007f6af1530010 R09: 0000000000000000 [ 70.960782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 61.526338] R13: ffff93204276ff10 R14: ffff93204276ff10 R15: fff[ 70.968757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.982965] irq event stamp: 0 f908184d28000 # [ 61.534310] FS: 00007f105982e580(0000) GS:f[ 70.986392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.999633] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fff9081fad00000(0000) knlGS:0000000000000000 # [ 61.543349] C[ 71.008780] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.024132] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.031155] ---[ end trace fc6479f7a6067778 ]--- S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.54976[ 71.036323] lkdtm: Saturation detected: still saturated 5] CR2: ffffffffa8bff330 CR3: 0000000104ff6006 CR4: 00000000003706e0 # [ 61.557734] Call Trace: # [ 61.560463] direct_entry.cold+0x2c/0x38 # [ 61.564844] full_proxy_write+0x53/0x80 # [ 61.569127] vfs_write+0xe7/0x3a0 # [ 61.572825] ksys_write+0x68/0xf0 # [ 61.576524] do_syscall_64+0x30/0x40 # [ 61.580515] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.586156] RIP: 0033:0x7f10597448f3 # [ 61.590136] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.611120] RSP: 002b:00007fff7e971dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.619579] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f10597448f3 # [ 61.627550] RDX: 0000000000000014 RSI: 00007f1059637000 RDI: 0000000000000001 # [ 61.635519] RBP: 00007f1059637000 R08: 00007f1059636010 R09: 0000000000000000 # [ 61.643489] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.651462] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.659437] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_us[ 71.180169] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED bpd_notify # [ 61.685897] CR2: ffffffffa8bff330 # [ 61.695[ 71.192815] lkdtm: attempting bad refcount_dec_and_test() from saturated 810] ---[ end trace fc6479f7a6067768 ]--- # [ 61.700958] RIP:[ 71.206524] ------------[ cut here ]------------ [ 71.217892] refcount_t: underflow; use-after-free. 0010:lkdtm_BUG+0x5/0x10 # [ 61.705335] Code: 89 ff e8 6e a3 [ 71.223272] WARNING: CPU: 1 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c[ 71.238886] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f [ 71.271529] CPU: 1 PID: 2560 Comm: cat Tainted: G D W 5.10.154-cip19 #1 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 61.726[ 71.286401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 309] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 61.73214[ 71.299423] RIP: 0010:refcount_warn_saturate+0xba/0x110 1] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 000000000000[ 71.311476] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 0000 # [ 61.740111] RDX: 0000000000000000 RSI: ffff9081fad1bf[ 71.338701] RSP: 0018:ffff93204308fe40 EFLAGS: 00010286 70 RDI: ffffffffa879bd90 # [ 61.748081] RBP: ffffffffa8bdee80[ 71.350736] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 71.364945] RDX: ffff9081facac660 RSI: ffff9081fac9bf70 RDI: ffff9081fac9bf70 R08: 0000000000000001 R09: 0000000000000001 # [ 61.756051] R[ 71.372937] RBP: ffffffffa8b83818 R08: 0000000000000000 R09: 0000000000000000 [ 71.387124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004[ 71.395097] R13: ffff93204308ff10 R14: ffff93204308ff10 R15: ffff908183578000 # [ 61.764021] R13: ffff932041417f10 R14: ffff932041417f10 R[ 71.409284] FS: 00007fb5ac13e580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 15: ffff90818295d000 # [ 61.771996] FS: 00007f105982e580(000[ 71.424543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.437179] CR2: 00007fb5abf47000 CR3: 00000001032f6003 CR4: 00000000003706e0 0) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 61.78[ 71.445154] Call Trace: 1033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 6[ 71.454105] __refcount_sub_and_test.constprop.0+0x3c/0x50 1.787448] CR2: ffffffffa8bff330 CR3: 0000000104ff6006 CR4: 00000[ 71.466448] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 000003706e0 # [ 61.795419] BUG: sleeping function called from[ 71.479013] direct_entry.cold+0x2c/0x38 invalid context at include/linux/percpu-rwsem.h:49 # [ 61.80[ 71.489609] full_proxy_write+0x53/0x80 5331] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 198[ 71.500107] vfs_write+0xe7/0x3a0 9, name: cat # [ 61.813786] INFO: lockdep is turned off. [ 71.510024] ksys_write+0x68/0xf0 # [ 61.818163] irq event stamp: 0 # [ 61.821570] hardirqs l[ 71.519651] do_syscall_64+0x30/0x40 [ 71.529883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ast ena[ 71.535528] RIP: 0033:0x7fb5ac0548f3 bled at (0): [<0000000000000000>] 0x0[ 71.540290] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.564874] RSP: 002b:00007ffcf37045c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.573337] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb5ac0548f3 [ 71.581313] RDX: 0000000000000020 RSI: 00007fb5abf47000 RDI: 0000000000000001 [ 71.589483] RBP: 00007fb5abf47000 R08: 00007fb5abf46010 R09: 0000000000000000 [ 71.597460] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.828563] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.619630] irq event stamp: 0 # [ 61.837698] softirqs last enabled at (0): [] 0x0 f0>] copy_process+0x640/0x1c80[ 71.639366] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.651419] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.660561] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.667754] ---[ end trace fc6479f7a6067779 ]--- # [ 61.846834] softirqs last disabled at (0): [<00000000000000[ 71.672913] lkdtm: Saturation detected: still saturated 00>] 0x0 # [ 61.853834] CPU: 2 PID: 1989 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 61.862486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.869291] Call Trace: # [ 61.872020] dump_stack+0x77/0x9b # [ 61.875719] ___might_sleep.cold+0xa6/0xb6 # [ 61.880294] exit_signals+0x1c/0x2e0 # [ 61.884284] do_exit+0xd5/0xb00 # [ 61.887789] ? ksys_write+0x68/0xf0 # [ 61.891683] rewind_stack_do_exit+0x17/0x20 # [ 61.896351] RIP: 0033:0x7f10597448f3 # [ 61.900338] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.921325] RSP: 002b:00007fff7e971dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.929782] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f10597448f3 # [ 61.937754] RDX: 0000000000000014 RSI: 00007f1059637000 RDI: 0000000000000001 # [ 61.945723] RBP: 00007f1059637000 R08: 00007f1059636010 R09: 0000000000000000 # [ 61.953694] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.961664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 62.099068] lkdtm: Performing direct [ 71.821862] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED entry WRITE_KERN # [ 62.105861] lkdtm: attempting bad 6685289[ 71.830220] lkdtm: attempting bad refcount_sub_and_test() from saturated byte write at ffffffffa81405a9 # [ 62.119551] BUG: unable to[ 71.843964] ------------[ cut here ]------------ handle page fault for address: ffffffffa81405a9 # [ 62.13343[ 71.855350] refcount_t: underflow; use-after-free. 5] #PF: supervisor write access in kernel mode # [ 62.139271][ 71.866930] WARNING: CPU: 0 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 #PF: error_code(0x0003) - permissions violation # [ 62.14548[ 71.882576] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 5] PGD 150429067 P4D 150429067 PUD 15042a063 PMD 14f6000e1 # [[ 71.915219] CPU: 0 PID: 2595 Comm: cat Tainted: G D W 5.10.154-cip19 #1 62.158806] Oops: 0003 [#16] SMP PTI # [ 62.162795] CPU: 1 [ 71.930077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 PID: 2024 Comm: cat Tainted: G D W 5.10.154-cip19 #[ 71.943146] RIP: 0010:refcount_warn_saturate+0xba/0x110 1 # [ 62.171448] Hardware name: Google Rammus/Rammus, BIOS 0[ 71.955158] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 9/04/2020 # [ 62.178249] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e[ 71.982389] RSP: 0018:ffff93204313fe40 EFLAGS: 00010286 # [ 62.183403] Code: 53 48 c7 c3 a9 05 14 a8 49 89 dc 48 89 [ 71.994406] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 da 49 81 ec 40 03 ae a7 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e[ 72.008678] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 1 48 c7 c6 40 03 ae a7 a4 48 c7 c7 f0 48 b8 a8 e8 ca 9a fd [ 72.022837] RBP: ffffffffa8b83838 R08: 0000000000000000 R09: 0000000000000000 ff 5b 41 5c e9 b7 fe ff ff # [ 62.210600] RSP: 0018:ffff93204[ 72.037040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 2827e50 EFLAGS: 00010246 # [ 62.216436] RAX: 000000000000003c[ 72.051168] R13: ffff93204313ff10 R14: ffff93204313ff10 R15: ffff908183474000 RBX: ffffffffa81405a9 RCX: 0000000000660269 # [ 62.224407] R[ 72.065390] FS: 00007fda105e5580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 DX: 0000000000000000 RSI: ffffffffa7ae0340 RDI: ffffffffa81405a9[ 72.080609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.232377] RBP: ffffffffa8b83afa R08: 0000000000000000 R[ 72.093291] CR2: 00007fda103ee000 CR3: 000000010565e004 CR4: 00000000003706f0 09: 0000000000000000 # [ 62.240349] R10: 00000000ffffe000 R11[ 72.107425] Call Trace: : 3fffffffffffffff R12: 0000000000660269 # [ 62.248318] R13: [ 72.116404] __refcount_sub_and_test.constprop.0+0x3c/0x50 ffff932042827f10 R14: ffff932042827f10 R15: ffff908183442000 # [ 72.128714] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 62.256287] FS: 00007fb8f7507580(0000) GS:ffff9081fac80000(0[ 72.141278] direct_entry.cold+0x2c/0x38 000) knlGS:0000000000000000 # [ 62.265326] CS: 0010 DS: 0000[ 72.151851] full_proxy_write+0x53/0x80 ES: 0000 CR0: 0000000080050033 # [ 62.271740] CR2: ffffffffa[ 72.162388] vfs_write+0xe7/0x3a0 81405a9 CR3: 0000000103cf0001 CR4: 00000000003706e0 # [ 62.27[ 72.172280] ksys_write+0x68/0xf0 9710] Call Trace: # [ 62.282439] direct_entry.cold+0x2c/0x38[ 72.182179] do_syscall_64+0x30/0x40 # [ 62.286819] full_proxy_write+0x53/0x80 # [ 62.297312][ 72.192369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 vfs_write+0xe7/0x3a0 # [ 62.301011] ksys_write+0x68/0xf0 [ 72.204224] RIP: 0033:0x7fda104fb8f3 # [ 62.310939] do_syscall_64+0x30/0x40 # [ 62.314945] ent[ 72.214453] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.320577] RIP: 003[ 72.241669] RSP: 002b:00007ffdbf36a128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3:0x7fb8f741d8f3 # [ 62.324566] Code: 8b 15 a1 25 0e 00 f7 d8[ 72.256355] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fda104fb8f3 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 72.270537] RDX: 0000000000000020 RSI: 00007fda103ee000 RDI: 0000000000000001 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 72.284731] RBP: 00007fda103ee000 R08: 00007fda103ed010 R09: 0000000000000000 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.345548] RSP[ 72.298941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 002b:00007ffdca9bbc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000[ 72.313132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 001 # [ 62.354005] RAX: ffffffffffffffda RBX: 000000000000000[ 72.327348] irq event stamp: 0 b RCX: 00007fb8f741d8f3 # [ 62.361977] RDX: 000000000000000b [ 72.336957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RSI: 00007fb8f7310000 RDI: 0000000000000001 # [ 62.369966] RB[ 72.350207] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 P: 00007fb8f7310000 R08: 00007fb8f730f010 R09: 0000000000000000 [ 72.365554] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.377942] R10: fffffffffffffbc5 R11: 0000000000000246 R1[ 72.380914] softirqs last disabled at (0): [<0000000000000000>] 0x0 2: 0000000000000001 # [ 62.385911] R13: 0000000000000001 R14:[ 72.394119] ---[ end trace fc6479f7a606777a ]--- 0000000000020000 R15: 0000000000020000 # [ 62.393885] Module[ 72.405520] lkdtm: Saturation detected: still saturated s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.426524] CR2: ffffffffa81405a9 # [ 62.430221] ---[ end trace fc6479f7a6067769 ]--- # [ 62.435378] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.439756] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 c6 92 02 # [ 62.460727] RSP: 0018:ffff932041417e60 EFLAGS: 00010282 # [ 62.466561] RAX: ffffffffa7adff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.474532] RDX: 0000000000000000 RSI: ffff9081fad1bf70 RDI: ffffffffa879bd90 # [ 62.482503] RBP: ffffffffa8bdee80 R08: 0000000000000001 R09: 0000000000000001 # [ 62.490474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.498442] R13: ffff932041417f10 R14: ffff932041417f10 R15: ffff90818295d000 # [ 62.506412] FS: 00007fb8f7507580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 62.515450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.521865] CR2: ffffffffa81405a9 CR3: 0000000103cf0001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 62.658342] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 62.667080] lkdtm: attempting good refcount_inc() without overflow # [ 62.680228] lkdtm: attempting bad refcount_inc() overflow # [ 62.686281] ------------[ cut here ]------------ # [ 62.691452] refcount_t: saturated; leaking memory. # [ 62.696827] WARNING: CPU: 3 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.706266] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.732741] CPU: 3 PID: 2059 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 62.747605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.754418] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 62.760286] Code: 84 bc 00 00 00 c3 cc cc cc cc[ 72.653324] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 [ 72.660589] lkdtm: attempting good copy_to_user of correct size 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11[ 72.673444] lkdtm: attempting bad copy_to_user of too large size 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 # [ 62.781302] RSP: 0018:ffff9320428dfe48 EFLAGS: 00010286 # [ 62.787172] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 62.801365] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 62.815556] RBP: ffffffffa8b83b05 R08: 0000000000000000 R09: 0000000000000000 # [ 62.823528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.837715] R13: ffff9320428dff10 R14: ffff9320428dff10 R15: ffff9081829f7000 # [ 62.845691] FS: 00007fe137638580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 62.854735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.861157] CR2: 00007fe137441000 CR3: 0000000104f2c006 CR4: 00000000003706e0 # [ 62.869131] Call Trace: # [ 62.871865] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 62.877249] direct_entry.cold+0x2c/0x38 # [ 62.881661] full_proxy_write+0x53/0x80 # [ 62.885985] vfs_write+0xe7/0x3a0 # [ 62.889720] ksys_write+0x68/0xf0 # [ 62.893423] do_syscall_64+0x30/0x40 # [ 62.897416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.903059] RIP: 0033:0x7fe13754e8f3 # [ 62.907050] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 72.807105] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 72.817561] lkdtm: attempting good copy_from_user of correct size [ 72.824400] lkdtm: attempting bad copy_from_user of too large size 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.928041] RSP: 002b:00007ffc33c34258 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.936502] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe13754e8f3 # [ 62.944475] RDX: 0000000000000016 RSI: 00007fe137441000 RDI: 0000000000000001 # [ 62.952449] RBP: 00007fe137441000 R08: 00007fe137440010 R09: 0000000000000000 # [ 62.960422] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.968398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.976377] irq event stamp: 0 # [ 62.979811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.993028] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.002192] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.011331] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.018334] ---[ end trace fc6479f7a606776a ]--- # [ 63.023490] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 63.147529] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 63.159629] lkdtm: attempting good refcount_add() without overflow # [ 63.166547] lkdtm: attempting bad refcount_add() overflow # [ 63.178785] ------------[ cut here ]------------ # [ 63.183945] refcou[ 72.977874] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 72.987873] lkdtm: attempting good copy_to_user inside whitelist nt_t: saturated; leaking memory. # [ 63.195540] WARNING: CPU:[ 72.994596] lkdtm: attempting bad copy_to_user outside whitelist 2 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 63.204977] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.237617] CPU: 2 PID: 2091 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 63.246271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.253080] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 63.258933] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 # [ 63.279931] RSP: 0018:ffff932042947e48 EFLAGS: 00010286 # [ 63.291998] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 63.299988] RDX: ffff9081fad2c660 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 # [ 63.307964] RBP: ffffffffa8b83b1b R08: 0000000000000000 R09: 0000000000000000 # [ 63.315958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.323954] R13: ffff932042947f10 R14: ffff932042947f10 R15: ffff908182988000 # [ 63.338[ 73.130686] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 143] FS: 00007f77f2138580(0000) GS:ffff9081fad00000(0000) knlGS[ 73.139223] lkdtm: attempting good copy_from_user inside whitelist :0000000000000000 # [ 63.347186] CS: 0010 DS: 0000 ES: 0000 [ 73.152336] lkdtm: attempting bad copy_from_user outside whitelist CR0: 0000000080050033 # [ 63.353605] CR2: 00007f77f1f41000 CR3: 0000000104ff6001 CR4: 00000000003706e0 # [ 63.361579] Call Trace: # [ 63.364312] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 63.369697] direct_entry.cold+0x2c/0x38 # [ 63.374103] full_proxy_write+0x53/0x80 # [ 63.378412] vfs_write+0xe7/0x3a0 # [ 63.382138] ksys_write+0x68/0xf0 # [ 63.385839] do_syscall_64+0x30/0x40 # [ 63.389857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.395501] RIP: 0033:0x7f77f204e8f3 # [ 63.399491] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.420483] RSP: 002b:00007ffc907bdf88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.428948] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f77f204e8f3 # [ 63.443141] RDX: 0000000000000016 RSI: 00007f77f1f41000 RDI: 0000000000000001 # [ 63.457332] RBP: 00007f77f1f41000 R08: 00007f77f1f40010 R09: 0000000000000000 # [ 63.465306] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.473281] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.481276] irq event stamp: 0 # [[ 73.288611] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 63.484699] hardirqs last enabled at (0): [<0000000000000000>[ 73.296678] lkdtm: good_stack: ffff9320434afe20-ffff9320434afe40 ] 0x0 # [ 63.497934] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.507073] softirqs[ 73.322566] lkdtm: attempting good copy_to_user of local stack last enabled at (0): [] copy_process+0x640/0[ 73.335317] lkdtm: attempting bad copy_to_user of distant stack x1c80 # [ 63.516213] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.523216] ---[ end trace fc6479f7a606776b ]--- # [ 63.528373] 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 # [ 63.645962] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 63.659140] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 63.666076] ------------[ cut here ]------------ # [ 63.671240] refcount_t: saturated; leaking memory. # [ 63.682829] WARNING: CPU: 3 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.692267] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.724913] CPU: 3 PID: 2123 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 63.733591] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.746615] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.758668] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 [ 73.483000] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM c7 c7 98 f4 b1 # [ 63.779661] RSP: 0018:ffff9320429afe38 EFLA[ 73.491950] lkdtm: good_stack: ffff932043547e20-ffff932043547e40 GS: 00010282 # [ 63.785500] RAX: 0000000000000000 RBX: 000000[ 73.504881] lkdtm: bad_stack : ffff932043547da8-ffff932043547dc8 007fffffff RCX: 0000000000000000 # [ 63.793475] RDX: ffff9081[ 73.517814] lkdtm: attempting good copy_from_user of local stack fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 63.8[ 73.530739] lkdtm: attempting bad copy_from_user of distant stack 01448] RBP: ffffffffa8b83758 R08: 0000000000000000 R09: 0000000000000000 # [ 63.809421] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.817395] R13: ffff9320429aff10 R14: ffff9320429aff10 R15: ffff908184140000 # [ 63.825369] FS: 00007fefdfba3580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 63.834412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.840833] CR2: 00007fefdf9ac000 CR3: 0000000105da4003 CR4: 00000000003706e0 # [ 63.848807] Call Trace: # [ 63.851539] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.857693] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.863952] direct_entry.cold+0x2c/0x38 # [ 63.868335] full_proxy_write+0x53/0x80 # [ 63.872620] vfs_write+0xe7/0x3a0 # [ 63.876323] ksys_write+0x68/0xf0 # [ 63.880024] do_syscall_64+0x30/0x40 # [ 63.884042] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.889709] RIP: 0033:0x7fefdfab98f3 # [ 63.893702] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.914692] RSP: 002b:00007fffc58b5418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.923155] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fefdfab98f3 # [ 63.931129] RDX: 000000000000001f RSI: 00007fefdf9ac000 RDI: 0000000000000001 # [ 63.939104] RBP: 00007f[ 73.682598] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 73.693432] lkdtm: good_stack: ffff9320435d7e20-ffff9320435d7e40 [ 73.700170] lkdtm: bad_stack : ffff9320435d7ff8-ffff9320435d8018 [ 73.706929] lkdtm: attempting good copy_to_user of local stack efdf9ac000 R08: 00007fefdf9ab010 R09: 0000000000000000 # [ 63[ 73.713473] lkdtm: attempting bad copy_to_user of distant stack .947078] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 73.726292] lkdtm: copy_to_user failed, but lacked Oops 0000000001 # [ 63.955052] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.963031] irq event stamp: 0 # [ 63.966444] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.973447] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.982587] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.991727] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.998730] ---[ end trace fc6479f7a606776c ]--- # [ 64.003887] 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 # [ 64.152740] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 64.165738] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 64.178873] ------------[ cut here ]------------ # [ 64.190255] refcount_t: saturated; leaking memory. # [ 64.201852] WARNING: CPU: 0 PID: 2155 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 64.217482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.250130] CPU: 0 PID: 2155 Comm: cat Tainted: G D W 5.10.154-[ 73.877067] lkdtm: Performing direct entry USERCOPY_KERNEL cip19 #1 # [ 64.265015] Hardware name: Google Rammus/Rammus, [ 73.887466] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa879c230 [ 73.902349] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa74e31e0 [ 73.910733] lkdtm: FAIL: survived bad copy_to_user() BIOS 09/04/2020 # [ 64.278047] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 64.290102] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 # [ 64.317316] RSP: 0018:ffff932042a57e38 EFLAGS: 00010282 # [ 64.329362] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 64.343563] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 # [ 64.357745] RBP: ffffffffa8b83778 R08: 0000000000000000 R09: 0000000000000000 # [ 64.371946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.386124] R13: ffff932042a57f10 R14: ffff932042a57f10 R15: ffff908185548000 # [ 64.400314] FS: 00007f32e5375580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 64.415581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.428211] CR2: 00007f32e517e000 CR3: 00000001026ae005 CR4: 00000000003706f0 # [ 64.442407] Call Trace: # [ 64.451354] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 64.463719] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 64.476206] direct_entry.cold+0x2c/0x38 # [ 64.486763] full_proxy_write+0x53/0x80 # [ 64.497338] vfs_write+0xe7/0x3a0 # [ 64.507265] ksys_[ 74.045656] lkdtm: Performing direct entry STACKLEAK_ERASING write+0x68/0xf0 # [ 64.517157] do_syscall_64+0x30/0x40 # [ [ 74.053190] lkdtm: checking unused part of the thread stack (15928 bytes)... 64.527395] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64[ 74.067296] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) .539258] RIP: 0033:0x7f32e528b8f3 # [ 64.549497] Code: 8b 15 [ 74.081290] lkdtm: FAIL: the thread stack is NOT properly erased a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 74.094232] CPU: 0 PID: 2960 Comm: cat Tainted: G D W 5.10.154-cip19 #1 [ 74.109077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 74.115880] Call Trace: [ 74.118611] dump_stack+0x77/0x9b [ 74.122315] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 74.127470] direct_entry.cold+0x2c/0x38 [ 74.131842] full_proxy_write+0x53/0x80 [ 74.136130] vfs_write+0xe7/0x3a0 [ 74.139833] ksys_write+0x68/0xf0 [ 74.143523] do_syscall_64+0x30/0x40 [ 74.147512] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.153153] RIP: 0033:0x7f2983b898f3 [ 74.157142] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.178126] RSP: 002b:00007fff8aab4ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.186583] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2983b898f3 [ 74.194554] RDX: 0000000000000012 RSI: 00007f2983a7c000 RDI: 0000000000000001 [ 74.202526] RBP: 00007f2983a7c000 R08: 00007f2983a7b010 R09: 0000000000000000 [ 74.210497] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.218466] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.576711] RSP: 002b:00007ffccc33e398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.591431] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f32e528b8f3 # [ 64.605647] RDX: 000000000000001f RSI: 00007f32e517e000 RDI: 0000000000000001 # [ 64.619865] RBP: 00007f32e517e000 R08: 00007f32e517d010 R09: 0000000000000000 # [ 64.634131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.648323] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.662558] irq event stamp: 0 # [ 64.672190] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.685386] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.700766] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.716138] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.729355] ---[ end trace fc6479f7a606776d ]--- # [ 64.740737] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 64.873905] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 64.882641] lkdtm: attempting good refcount_dec() # [ 64.887963] lkdtm: attempting bad refcount_dec() to zero # [ 64.893928] ------------[ cut here ]------------ # [ 64.899100] refcount_t: decrement hit 0; leaking memory. # [ 64.905057] W[ 74.381486] lkdtm: Performing direct entry CFI_FORWARD_PROTO ARNING: CPU: 3 PID: 2187 at lib/refcount.c:31 refcount_warn_satu[ 74.388325] lkdtm: Calling matched prototype ... rate+0xfb/0x110 # [ 64.914492] Modules linked in: fuse ip_tab[ 74.399722] lkdtm: Calling mismatched prototype ... les cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 74.411395] lkdtm: Fail: survived mismatched prototype function call! buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.940967] CPU: 3 PID: 2187 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 64.955830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.962642] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.974698] Code: f0 f4 b1 a8 c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 b1 a8 c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.001903] RSP: 0018:ffff932042abfe48 EFLAGS: 00010286 # [ 65.007773] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 65.015749] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 65.023724] RBP: ffffffffa8b83b31 R08: 0000000000000000 R09: 0000000000000000 # [ 65.031724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.039713] R13: ffff932042abff10 R14: ffff932042abff10 R15: ffff908184c6f000 # [ 65.053894] FS: 00007fb18a493580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 65.062947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.069370] CR2: 00007fb18a29c000 CR3: 00000001038f8002 CR4: 00000000003706e0 # [ 65.077345] Call Trace: # [ 65.080081] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 65.085076] direct_entry.cold+0x2c/0x38 # [ 65.089491] full_proxy_write+0x53/0x80 # [ 65.093807] vfs_write+0xe7/0x3a0 # [ 65.097541] ksys_write+0x68/0xf0 # [ 65.101273] do_syscall_64+0x30/0x40 # [ 65.105298] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.110987] RIP: 0033:0x7fb18a3a98f3 # [ 65.115013] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.136004] RSP: 002b:00007ffe3187e268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.144468] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb18a3a98f3 # [ 65.152442] RDX: 0000000000000012 RSI: 00007fb18a29c000 RDI: 0000000000000001 # [ 65.160416] RBP: 00007fb18a29c000 R08: 00007fb18a29b010 R09: 0000000000000000 # [ 65.168390] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.176366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.184345] irq event stamp: 0 # [ 65.187779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.200994] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.216352] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.225491] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.232492] ---[ end trace fc6479f7a606776e ]--- # [ 65.237650] 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 # [ 65.361348] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 65.373495] lkdtm: attempting bad refcount_dec() below zero # [ 65.385965] ------------[ cut here ]------------ # [ 65.397356] refcount_t: decrement hit 0; leaking memory. # [ 65.409512] WARNING: CPU: 0 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 65.425150] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.457820] CPU: 0 PID: 2222 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 65.472674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.485705] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.497777] Code: f0 f4 b1 a8 c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 b1 a8 c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.524982] RSP: 0018:ffff932042b17e48 EFLAGS: 00010286 # [ 65.537044] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 65.551204] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 # [ 65.565435] RBP: ffffffffa8b83b43 R08: 0000000000000000 R09: 0000000000000000 # [ 65.579613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.593844] R13: ffff932042b17f10 R14: ffff932042b17f10 R15: ffff90818552e000 # [ 65.608058] FS: 00007f0665ff7580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 65.623297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.635927] CR2: 00007f0665e00000 CR3: 000000010329e004 CR4: 00000000003706f0 # [ 65.650139] Call Trace: # [ 65.659141] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 65.670665] direct_entry.cold+0x2c/0x38 # [ 65.681298] full_proxy_write+0x53/0x80 # [ 65.691817] vfs_write+0xe7/0x3a0 # [ 65.701759] ksys_write+0x68/0xf0 # [ 65.711614] do_syscall_64+0x30/0x40 # [ 65.721838] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.733699] RIP: 0033:0x7f0665f0d8f3 # [ 65.743883] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.771086] RSP: 002b:00007fff69501e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.785785] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f0665f0d8f3 # [ 65.800034] RDX: 0000000000000016 RSI: 00007f0665e00000 RDI: 0000000000000001 # [ 65.814170] RBP: 00007f0665e00000 R08: 00007f0665dff010 R09: 0000000000000000 # [ 65.828357] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.842541] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.856728] irq event stamp: 0 # [ 65.866357] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.879595] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.894949] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.910340] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.923580] ---[ end trace fc6479f7a606776f ]--- # [ 65.934956] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 66.063796] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 66.071922] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 66.085232] ------------[ cut here ]------------ # [ 66.096627] refcount_t: underflow; use-after-free. # [ 66.108212] WARNING: CPU: 0 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 66.123874] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.156525] CPU: 0 PID: 2257 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 66.171382] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.184401] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 66.196526] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 66.223690] RSP: 0018:ffff932042bafe40 EFLAGS: 00010286 # [ 66.235767] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 66.250016] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 # [ 66.264135] RBP: ffffffffa8b83798 R08: 0000000000000000 R09: 0000000000000000 # [ 66.278310] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.292525] R13: ffff932042baff10 R14: ffff932042baff10 R15: ffff9081854ef000 # [ 66.306684] FS: 00007f6cf9beb580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 66.321969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.334589] CR2: 00007f6cf99f4000 CR3: 00000001032ea004 CR4: 00000000003706f0 # [ 66.348802] Call Trace: # [ 66.357773] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 66.370162] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 66.382577] direct_entry.cold+0x2c/0x38 # [ 66.393213] full_proxy_write+0x53/0x80 # [ 66.403647] vfs_write+0xe7/0x3a0 # [ 66.413582] ksys_write+0x68/0xf0 # [ 66.423507] do_syscall_64+0x30/0x40 # [ 66.433733] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.445550] RIP: 0033:0x7f6cf9b018f3 # [ 66.455780] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.482965] RSP: 002b:00007fff9876b108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.497634] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6cf9b018f3 # [ 66.511822] RDX: 000000000000001f RSI: 00007f6cf99f4000 RDI: 0000000000000001 # [ 66.526010] RBP: 00007f6cf99f4000 R08: 00007f6cf99f3010 R09: 0000000000000000 # [ 66.540207] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.554391] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.568585] irq event stamp: 0 # [ 66.578197] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.591415] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.606771] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.622120] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.635341] ---[ end trace fc6479f7a6067770 ]--- # [ 66.646710] 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 # [ 66.777997] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 66.789879] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 66.797013] ------------[ cut here ]------------ # [ 66.802201] refcount_t: underflow; use-after-free. # [ 66.813781] WARNING: CPU: 2 PID: 2292 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 66.829420] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.862072] CPU: 2 PID: 2292 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 66.870757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.877594] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 66.883446] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 66.910637] RSP: 0018:ffff932042c37e40 EFLAGS: 00010286 # [ 66.916497] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 66.924471] RDX: ffff9081fad2c660 RSI: ffff9081fad1bf70 RDI: ffff9081fad1bf70 # [ 66.932444] RBP: ffffffffa8b837b8 R08: 0000000000000000 R09: 0000000000000000 # [ 66.940418] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.948392] R13: ffff932042c37f10 R14: ffff932042c37f10 R15: ffff9081827da000 # [ 66.956366] FS: 00007fd3c3a70580(0000) GS:ffff9081fad00000(0000) knlGS:0000000000000000 # [ 66.965409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.971828] CR2: 00007fd3c3879000 CR3: 0000000103646001 CR4: 00000000003706e0 # [ 66.979803] Call Trace: # [ 66.982539] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 66.988700] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 66.994962] direct_entry.cold+0x2c/0x38 # [ 66.999351] full_proxy_write+0x53/0x80 # [ 67.003665] vfs_write+0xe7/0x3a0 # [ 67.007397] ksys_write+0x68/0xf0 # [ 67.011102] do_syscall_64+0x30/0x40 # [ 67.015126] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.020769] RIP: 0033:0x7fd3c39868f3 # [ 67.024791] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.045776] RSP: 002b:00007ffe5cbd0e08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.054265] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd3c39868f3 # [ 67.062239] RDX: 000000000000001f RSI: 00007fd3c3879000 RDI: 0000000000000001 # [ 67.070211] RBP: 00007fd3c3879000 R08: 00007fd3c3878010 R09: 0000000000000000 # [ 67.078185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.086158] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.094139] irq event stamp: 0 # [ 67.103760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.117001] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.126169] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.135310] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.142313] ---[ end trace fc6479f7a6067771 ]--- # [ 67.147471] 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 # [ 67.272647] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 67.283196] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 67.290330] lkdtm: Good: zero detected # [ 67.294553] lkdtm: Correctly stayed at zero # [ 67.299244] lkdtm: attempting bad refcount_inc() from zero # [ 67.311584] ------------[ cut here ]------------ # [ 67.316743] refcount_t: addition on 0; use-after-free. # [ 67.322514] WARNING: CPU: 3 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.331951] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.364591] CPU: 3 PID: 2324 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 67.373275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.380088] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.392141] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 a8 c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 # [ 67.419346] RSP: 0018:ffff932042ccfe48 EFLAGS: 00010286 # [ 67.425204] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 67.433202] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 67.441187] RBP: ffffffffa8b83b59 R08: 0000000000000000 R09: 0000000000000000 # [ 67.455368] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.463341] R13: ffff932042ccff10 R14: ffff932042ccff10 R15: ffff9081854a1000 # [ 67.471315] FS: 00007fd8eb11c580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 67.480358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.486778] CR2: 00007fd8eaf25000 CR3: 0000000104d9a001 CR4: 00000000003706e0 # [ 67.494751] Call Trace: # [ 67.497483] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 67.502480] direct_entry.cold+0x2c/0x38 # [ 67.506893] full_proxy_write+0x53/0x80 # [ 67.511201] vfs_write+0xe7/0x3a0 # [ 67.514945] ksys_write+0x68/0xf0 # [ 67.524865] do_syscall_64+0x30/0x40 # [ 67.528859] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.534527] RIP: 0033:0x7fd8eb0328f3 # [ 67.538519] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.559511] RSP: 002b:00007ffd5622bbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.567993] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd8eb0328f3 # [ 67.575968] RDX: 0000000000000012 RSI: 00007fd8eaf25000 RDI: 0000000000000001 # [ 67.583994] RBP: 00007fd8eaf25000 R08: 00007fd8eaf24010 R09: 0000000000000000 # [ 67.591983] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.599993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.607985] irq event stamp: 0 # [ 67.611426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.618431] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.627572] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.636710] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.643713] ---[ end trace fc6479f7a6067772 ]--- # [ 67.648870] 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 # [ 67.821245] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 67.827690] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 67.834832] lkdtm: Good: zero detected # [ 67.839046] lkdtm: Correctly stayed at zero # [ 67.843744] lkdtm: attempting bad refcount_add() from zero # [ 67.856082] ------------[ cut here ]------------ # [ 67.861238] refcount_t: addition on 0; use-after-free. # [ 67.866988] WARNING: CPU: 3 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.876427] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.902891] CPU: 3 PID: 2356 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 67.917755] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.924564] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.930401] Code: 01 01 e8 2a 9b 95 00 0f 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 a8 c6 05 01 2e 94 01 01 e8 07 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 # [ 67.951389] RSP: 0018:ffff932042d47e48 EFLAGS: 00010286 # [ 67.957226] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 67.965200] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 67.973175] RBP: ffffffffa8b83b6b R08: 0000000000000000 R09: 0000000000000000 # [ 67.981149] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.989124] R13: ffff932042d47f10 R14: ffff932042d47f10 R15: ffff908184ddd000 # [ 67.997099] FS: 00007f4e30fea580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 68.006140] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.012558] CR2: 00007f4e30df3000 CR3: 00000001031a2005 CR4: 00000000003706e0 # [ 68.020532] Call Trace: # [ 68.023263] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 68.028259] direct_entry.cold+0x2c/0x38 # [ 68.032664] full_proxy_write+0x53/0x80 # [ 68.036987] vfs_write+0xe7/0x3a0 # [ 68.040720] ksys_write+0x68/0xf0 # [ 68.044422] do_syscall_64+0x30/0x40 # [ 68.048416] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.054061] RIP: 0033:0x7f4e30f008f3 # [ 68.058053] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.079044] RSP: 002b:00007fff454ecf48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.087503] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4e30f008f3 # [ 68.095479] RDX: 0000000000000012 RSI: 00007f4e30df3000 RDI: 0000000000000001 # [ 68.109670] RBP: 00007f4e30df3000 R08: 00007f4e30df2010 R09: 0000000000000000 # [ 68.123860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.131834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.139831] irq event stamp: 0 # [ 68.143248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.156463] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.165629] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.174780] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.187999] ---[ end trace fc6479f7a6067773 ]--- # [ 68.193157] 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 # [ 68.324002] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 68.335200] lkdtm: attempting bad refcount_inc() from saturated # [ 68.341859] ------------[ cut here ]------------ # [ 68.347043] refcount_t: saturated; leaking memory. # [ 68.352434] WARNING: CPU: 3 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.361873] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.388324] CPU: 3 PID: 2391 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 68.396979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.410004] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.415862] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 # [ 68.436852] RSP: 0018:ffff932042dc7e48 EFLAGS: 00010286 # [ 68.442690] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 68.450672] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 68.458678] RBP: ffffffffa8b83b7d R08: 0000000000000000 R09: 0000000000000000 # [ 68.466676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.480860] R13: ffff932042dc7f10 R14: ffff932042dc7f10 R15: ffff908184ce0000 # [ 68.488834] FS: 00007f8407c9e580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 68.497877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.504296] CR2: 00007f8407aa7000 CR3: 000000010355a003 CR4: 00000000003706e0 # [ 68.512269] Call Trace: # [ 68.515002] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 68.520481] direct_entry.cold+0x2c/0x38 # [ 68.524885] full_proxy_write+0x53/0x80 # [ 68.529194] vfs_write+0xe7/0x3a0 # [ 68.532894] ksys_write+0x68/0xf0 # [ 68.536596] do_syscall_64+0x30/0x40 # [ 68.540612] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.546280] RIP: 0033:0x7f8407bb48f3 # [ 68.550271] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.571258] RSP: 002b:00007ffca9d34ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.579718] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8407bb48f3 # [ 68.587690] RDX: 0000000000000017 RSI: 00007f8407aa7000 RDI: 0000000000000001 # [ 68.595665] RBP: 00007f8407aa7000 R08: 00007f8407aa6010 R09: 0000000000000000 # [ 68.603639] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.611614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.619593] irq event stamp: 0 # [ 68.623027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.636241] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.645379] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.654519] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.661522] ---[ end trace fc6479f7a6067774 ]--- # [ 68.666678] 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 # [ 68.815143] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 68.822295] lkdtm: attempting bad refcount_dec() from saturated # [ 68.828921] ------------[ cut here ]------------ # [ 68.834085] refcount_t: decrement hit 0; leaking memory. # [ 68.840037] WARNING: CPU: 3 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.849475] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.875936] CPU: 3 PID: 2426 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 68.890800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.897609] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.903446] Code: f0 f4 b1 a8 c6 05 91 2d 94 01 01 e8 9a 9a 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 c0 f4 b1 a8 c6 05 78 2d 94 01 01 e8 80 9a 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.924438] RSP: 0018:ffff932042e4fe48 EFLAGS: 00010286 # [ 68.930277] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 68.938251] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 68.946226] RBP: ffffffffa8b83b94 R08: 0000000000000000 R09: 0000000000000000 # [ 68.954204] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.968397] R13: ffff932042e4ff10 R14: ffff932042e4ff10 R15: ffff9081856d2000 # [ 68.976404] FS: 00007f33d5810580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 68.985446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.991868] CR2: 00007f33d5619000 CR3: 0000000104e06003 CR4: 00000000003706e0 # [ 68.999843] Call Trace: # [ 69.002576] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 69.008063] direct_entry.cold+0x2c/0x38 # [ 69.018666] full_proxy_write+0x53/0x80 # [ 69.022960] vfs_write+0xe7/0x3a0 # [ 69.032867] ksys_write+0x68/0xf0 # [ 69.036593] do_syscall_64+0x30/0x40 # [ 69.040615] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.046283] RIP: 0033:0x7f33d57268f3 # [ 69.050277] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.071267] RSP: 002b:00007ffd651b3178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.079754] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f33d57268f3 # [ 69.087728] RDX: 0000000000000017 RSI: 00007f33d5619000 RDI: 0000000000000001 # [ 69.095701] RBP: 00007f33d5619000 R08: 00007f33d5618010 R09: 0000000000000000 # [ 69.103675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.111648] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.119644] irq event stamp: 0 # [ 69.123063] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.136275] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.145417] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.154559] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.161561] ---[ end trace fc6479f7a6067775 ]--- # [ 69.166718] 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 # [ 69.303393] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 69.316216] lkdtm: attempting bad refcount_dec() from saturated # [ 69.329043] ------------[ cut here ]------------ # [ 69.340414] refcount_t: saturated; leaking memory. # [ 69.351995] WARNING: CPU: 1 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 69.367636] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.400307] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 69.415154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.428176] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 69.440227] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 35 2e 94 01 00 75 ee 48 c7 c7 40 f4 b1 a8 c6 05 25 2e 94 01 01 e8 2a 9b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 11 2e 94 01 00 75 cb 48 c7 c7 68 f4 b1 # [ 69.467429] RSP: 0018:ffff932042e2fe48 EFLAGS: 00010286 # [ 69.479482] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 69.493671] RDX: ffff9081facac660 RSI: ffff9081fac9bf70 RDI: ffff9081fac9bf70 # [ 69.507861] RBP: ffffffffa8b83bab R08: 0000000000000000 R09: 0000000000000000 # [ 69.515835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.530020] R13: ffff932042e2ff10 R14: ffff932042e2ff10 R15: ffff90818287a000 # [ 69.544208] FS: 00007fc4d06c6580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 69.559466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.565886] CR2: 00007fc4d04cf000 CR3: 000000010287c004 CR4: 00000000003706e0 # [ 69.580072] Call Trace: # [ 69.582809] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 69.594466] direct_entry.cold+0x2c/0x38 # [ 69.605064] full_proxy_write+0x53/0x80 # [ 69.615564] vfs_write+0xe7/0x3a0 # [ 69.625483] ksys_write+0x68/0xf0 # [ 69.635403] do_syscall_64+0x30/0x40 # [ 69.645610] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.657466] RIP: 0033:0x7fc4d05dc8f3 # [ 69.667673] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.694877] RSP: 002b:00007fff169e6e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.709555] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc4d05dc8f3 # [ 69.723743] RDX: 0000000000000017 RSI: 00007fc4d04cf000 RDI: 0000000000000001 # [ 69.737949] RBP: 00007fc4d04cf000 R08: 00007fc4d04ce010 R09: 0000000000000000 # [ 69.752134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.766320] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.780514] irq event stamp: 0 # [ 69.790132] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.803350] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.818701] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.834055] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.847272] ---[ end trace fc6479f7a6067776 ]--- # [ 69.858645] 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 # [ 69.998408] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 70.009043] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 70.016541] ------------[ cut here ]------------ # [ 70.021707] refcount_t: saturated; leaking memory. # [ 70.033283] WARNING: CPU: 3 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 70.048920] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.081557] CPU: 3 PID: 2493 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 70.096422] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.103231] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 70.115275] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 # [ 70.142470] RSP: 0018:ffff932042f5fe38 EFLAGS: 00010282 # [ 70.154519] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 70.162489] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 70.176669] RBP: ffffffffa8b837d8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.184640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.198823] R13: ffff932042f5ff10 R14: ffff932042f5ff10 R15: ffff9081854bf000 # [ 70.213011] FS: 00007fc5af82b580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 70.228266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.240901] CR2: 00007fc5af634000 CR3: 0000000102960005 CR4: 00000000003706e0 # [ 70.255088] Call Trace: # [ 70.264036] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 70.276376] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 70.288913] direct_entry.cold+0x2c/0x38 # [ 70.299508] full_proxy_write+0x53/0x80 # [ 70.310005] vfs_write+0xe7/0x3a0 # [ 70.319918] ksys_write+0x68/0xf0 # [ 70.329833] do_syscall_64+0x30/0x40 # [ 70.340036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.351892] RIP: 0033:0x7fc5af7418f3 # [ 70.362096] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.389298] RSP: 002b:00007ffc611fdb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.403970] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc5af7418f3 # [ 70.418159] RDX: 0000000000000020 RSI: 00007fc5af634000 RDI: 0000000000000001 # [ 70.426132] RBP: 00007fc5af634000 R08: 00007fc5af633010 R09: 0000000000000000 # [ 70.440315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.448287] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.462477] irq event stamp: 0 # [ 70.472095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.485310] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.500659] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.516010] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.529224] ---[ end trace fc6479f7a6067777 ]--- # [ 70.534379] 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 # [ 70.685044] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 70.697057] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 70.704555] ------------[ cut here ]------------ # [ 70.709723] refcount_t: saturated; leaking memory. # [ 70.715093] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 70.724536] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.750995] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 70.759651] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.766461] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 70.772299] Code: 01 01 e8 07 9b 95 00 0f 0b c3 cc cc cc cc 80 3d f0 2d 94 01 00 75 a8 48 c7 c7 40 f4 b1 a8 c6 05 e0 2d 94 01 01 e8 e4 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 # [ 70.793290] RSP: 0018:ffff932042ff7e38 EFLAGS: 00010282 # [ 70.799127] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 70.807101] RDX: ffff9081fadac660 RSI: ffff9081fad9bf70 RDI: ffff9081fad9bf70 # [ 70.815074] RBP: ffffffffa8b837f8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.823049] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.831023] R13: ffff932042ff7f10 R14: ffff932042ff7f10 R15: ffff908184db5000 # [ 70.838999] FS: 00007f6af1728580(0000) GS:ffff9081fad80000(0000) knlGS:0000000000000000 # [ 70.848041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.854461] CR2: 00007f6af1531000 CR3: 00000001056ba004 CR4: 00000000003706e0 # [ 70.862436] Call Trace: # [ 70.865168] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 70.871329] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 70.877654] direct_entry.cold+0x2c/0x38 # [ 70.882037] full_proxy_write+0x53/0x80 # [ 70.886323] vfs_write+0xe7/0x3a0 # [ 70.890049] ksys_write+0x68/0xf0 # [ 70.893751] do_syscall_64+0x30/0x40 # [ 70.897769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.903415] RIP: 0033:0x7f6af163e8f3 # [ 70.907408] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.928400] RSP: 002b:00007ffca2195c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.936861] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6af163e8f3 # [ 70.944834] RDX: 0000000000000020 RSI: 00007f6af1531000 RDI: 0000000000000001 # [ 70.952810] RBP: 00007f6af1531000 R08: 00007f6af1530010 R09: 0000000000000000 # [ 70.960782] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.968757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.982965] irq event stamp: 0 # [ 70.986392] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.999633] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.008780] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.024132] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.031155] ---[ end trace fc6479f7a6067778 ]--- # [ 71.036323] 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 # [ 71.180169] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 71.192815] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 71.206524] ------------[ cut here ]------------ # [ 71.217892] refcount_t: underflow; use-after-free. # [ 71.223272] WARNING: CPU: 1 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.238886] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.271529] CPU: 1 PID: 2560 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 71.286401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.299423] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.311476] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.338701] RSP: 0018:ffff93204308fe40 EFLAGS: 00010286 # [ 71.350736] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 71.364945] RDX: ffff9081facac660 RSI: ffff9081fac9bf70 RDI: ffff9081fac9bf70 # [ 71.372937] RBP: ffffffffa8b83818 R08: 0000000000000000 R09: 0000000000000000 # [ 71.387124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.395097] R13: ffff93204308ff10 R14: ffff93204308ff10 R15: ffff908183578000 # [ 71.409284] FS: 00007fb5ac13e580(0000) GS:ffff9081fac80000(0000) knlGS:0000000000000000 # [ 71.424543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.437179] CR2: 00007fb5abf47000 CR3: 00000001032f6003 CR4: 00000000003706e0 # [ 71.445154] Call Trace: # [ 71.454105] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.466448] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 71.479013] direct_entry.cold+0x2c/0x38 # [ 71.489609] full_proxy_write+0x53/0x80 # [ 71.500107] vfs_write+0xe7/0x3a0 # [ 71.510024] ksys_write+0x68/0xf0 # [ 71.519651] do_syscall_64+0x30/0x40 # [ 71.529883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.535528] RIP: 0033:0x7fb5ac0548f3 # [ 71.540290] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.564874] RSP: 002b:00007ffcf37045c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.573337] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb5ac0548f3 # [ 71.581313] RDX: 0000000000000020 RSI: 00007fb5abf47000 RDI: 0000000000000001 # [ 71.589483] RBP: 00007fb5abf47000 R08: 00007fb5abf46010 R09: 0000000000000000 # [ 71.597460] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.605437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.619630] irq event stamp: 0 # [ 71.626147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.639366] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.651419] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.660561] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.667754] ---[ end trace fc6479f7a6067779 ]--- # [ 71.672913] 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 # [ 71.821862] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 71.830220] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 71.843964] ------------[ cut here ]------------ # [ 71.855350] refcount_t: underflow; use-after-free. # [ 71.866930] WARNING: CPU: 0 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.882576] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.915219] CPU: 0 PID: 2595 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 71.930077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.943146] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.955158] Code: 01 01 e8 e4 9a 95 00 0f 0b c3 cc cc cc cc 80 3d ca 2d 94 01 00 75 85 48 c7 c7 98 f4 b1 a8 c6 05 ba 2d 94 01 01 e8 c1 9a 95 00 <0f> 0b c3 cc cc cc cc 80 3d a5 2d 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.982389] RSP: 0018:ffff93204313fe40 EFLAGS: 00010286 # [ 71.994406] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 72.008678] RDX: ffff9081fac2c660 RSI: ffff9081fac1bf70 RDI: ffff9081fac1bf70 # [ 72.022837] RBP: ffffffffa8b83838 R08: 0000000000000000 R09: 0000000000000000 # [ 72.037040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 72.051168] R13: ffff93204313ff10 R14: ffff93204313ff10 R15: ffff908183474000 # [ 72.065390] FS: 00007fda105e5580(0000) GS:ffff9081fac00000(0000) knlGS:0000000000000000 # [ 72.080609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.093291] CR2: 00007fda103ee000 CR3: 000000010565e004 CR4: 00000000003706f0 # [ 72.107425] Call Trace: # [ 72.116404] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 72.128714] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 72.141278] direct_entry.cold+0x2c/0x38 # [ 72.151851] full_proxy_write+0x53/0x80 # [ 72.162388] vfs_write+0xe7/0x3a0 # [ 72.172280] ksys_write+0x68/0xf0 # [ 72.182179] do_syscall_64+0x30/0x40 # [ 72.192369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.204224] RIP: 0033:0x7fda104fb8f3 # [ 72.214453] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.241669] RSP: 002b:00007ffdbf36a128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.256355] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fda104fb8f3 # [ 72.270537] RDX: 0000000000000020 RSI: 00007fda103ee000 RDI: 0000000000000001 # [ 72.284731] RBP: 00007fda103ee000 R08: 00007fda103ed010 R09: 0000000000000000 # [ 72.298941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.313132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.327348] irq event stamp: 0 # [ 72.336957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.350207] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.365554] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.380914] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.394119] ---[ end trace fc6479f7a606777a ]--- # [ 72.405520] 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 # [ 72.653324] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 72.660589] lkdtm: attempting good copy_to_user of correct size # [ 72.673444] 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 # [ 72.807105] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 72.817561] lkdtm: attempting good copy_from_user of correct size # [ 72.824400] 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 # [ 72.977874] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 72.987873] lkdtm: attempting good copy_to_user inside whitelist # [ 72.994596] 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 # [ 73.130686] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 73.139223] lkdtm: attempting good copy_from_user inside whitelist # [ 73.152336] 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 # [ 73.288611] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 73.296678] lkdtm: good_stack: ffff9320434afe20-ffff9320434afe40 # [ 73.309611] lkdtm: bad_stack : ffff9320434afda8-ffff9320434afdc8 # [ 73.322566] lkdtm: attempting good copy_to_user of local stack # [ 73.335317] 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 # [ 73.483000] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 73.491950] lkdtm: good_stack: ffff932043547e20-ffff932043547e40 # [ 73.504881] lkdtm: bad_stack : ffff932043547da8-ffff932043547dc8 # [ 73.517814] lkdtm: attempting good copy_from_user of local stack # [ 73.530739] 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 # [ 73.682598] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 73.693432] lkdtm: good_stack: ffff9320435d7e20-ffff9320435d7e40 # [ 73.700170] lkdtm: bad_stack : ffff9320435d7ff8-ffff9320435d8018 # [ 73.706929] lkdtm: attempting good copy_to_user of local stack # [ 73.713473] lkdtm: attempting bad copy_to_user of distant stack # [ 73.726292] 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 # [ 73.877067] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 73.887466] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa879c230 # [ 73.902349] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa74e31e0 # [ 73.910733] 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 # [ 74.045656] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 74.053190] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 74.067296] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 74.081290] lkdtm: FAIL: the thread stack is NOT properly erased # [ 74.094232] CPU: 0 PID: 2960 Comm: cat Tainted: G D W 5.10.154-cip19 #1 # [ 74.109077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 74.115880] Call Trace: # [ 74.118611] dump_stack+0x77/0x9b # [ 74.122315] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 74.127470] direct_entry.cold+0x2c/0x38 # [ 74.131842] full_proxy_write+0x53/0x80 # [ 74.136130] vfs_write+0xe7/0x3a0 # [ 74.139833] ksys_write+0x68/0xf0 # [ 74.143523] do_syscall_64+0x30/0x40 # [ 74.147512] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.153153] RIP: 0033:0x7f2983b898f3 # [ 74.157142] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.178126] RSP: 002b:00007fff8aab4ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.186583] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2983b898f3 # [ 74.194554] RDX: 0000000000000012 RSI: 00007f2983a7c000 RDI: 0000000000000001 # [ 74.202526] RBP: 00007f2983a7c000 R08: 00007f2983a7b010 R09: 0000000000000000 # [ 74.210497] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.218466] 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 # [ 74.381486] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 74.388325] lkdtm: Calling matched prototype ... # [ 74.399722] lkdtm: Calling mismatched prototype ... # [ 74.411395] 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 / #